/* ==========================================================================
   Qianse Technology (千色科技) — Main Stylesheet
   A clean, professional design for a Guangzhou-based software company.
   Light-mode primary, BEM naming, qs- prefix throughout.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors — Brand */
  --qs-primary: #1A56DB;
  --qs-primary-dark: #1444B0;
  --qs-primary-light: #E8F0FE;

  /* Colors — Text */
  --qs-text: #1F2937;
  --qs-text-secondary: #6B7280;
  --qs-text-muted: #9CA3AF;

  /* Colors — Backgrounds */
  --qs-bg: #FFFFFF;
  --qs-bg-alt: #F9FAFB;
  --qs-bg-dark: #111827;

  /* Colors — Accent (CTA only) */
  --qs-accent: #FF6B35;
  --qs-accent-hover: #E55A25;

  /* Colors — Borders */
  --qs-border: #E5E7EB;
  --qs-border-light: #F3F4F6;

  /* Colors — Feedback */
  --qs-success: #059669;
  --qs-error: #DC2626;

  /* Typography */
  --qs-font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --qs-font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Type Scale */
  --qs-text-xs: 0.8125rem;   /* 13px */
  --qs-text-sm: 0.875rem;    /* 14px */
  --qs-text-base: 1rem;      /* 16px */
  --qs-text-md: 1.125rem;    /* 18px */
  --qs-text-lg: 1.25rem;     /* 20px */
  --qs-text-xl: 1.5rem;      /* 24px */
  --qs-text-2xl: 1.875rem;   /* 30px */
  --qs-text-3xl: 2.25rem;    /* 36px */
  --qs-text-4xl: 3rem;       /* 48px */

  /* Font Weights */
  --qs-fw-normal: 400;
  --qs-fw-medium: 500;
  --qs-fw-semibold: 600;
  --qs-fw-bold: 700;

  /* Line Heights */
  --qs-lh-body: 1.5;
  --qs-lh-heading: 1.3;
  --qs-lh-reading: 1.8;
  --qs-lh-tight: 1.2;

  /* Spacing (4px base) */
  --qs-space-1: 0.25rem;   /* 4px */
  --qs-space-2: 0.5rem;    /* 8px */
  --qs-space-3: 0.75rem;   /* 12px */
  --qs-space-4: 1rem;      /* 16px */
  --qs-space-5: 1.25rem;   /* 20px */
  --qs-space-6: 1.5rem;    /* 24px */
  --qs-space-8: 2rem;      /* 32px */
  --qs-space-10: 2.5rem;   /* 40px */
  --qs-space-12: 3rem;     /* 48px */
  --qs-space-16: 4rem;     /* 64px */
  --qs-space-20: 5rem;     /* 80px */
  --qs-space-24: 6rem;     /* 96px */
  --qs-space-32: 8rem;     /* 128px */

  /* Border Radius */
  --qs-radius-sm: 6px;
  --qs-radius-md: 8px;
  --qs-radius-lg: 12px;
  --qs-radius-full: 9999px;

  /* Shadows — real, low-opacity, no glows */
  --qs-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --qs-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
  --qs-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
  --qs-shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --qs-transition: 0.2s ease;
  --qs-transition-slow: 0.35s ease;

  /* Layout */
  --qs-header-h: 72px;
  --qs-container-max: 1200px;
  --qs-nav-mobile-w: 280px;
}


/* --------------------------------------------------------------------------
   1. Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Offset scroll for fixed header */
  scroll-padding-top: var(--qs-header-h);
}

body {
  font-family: var(--qs-font-sans);
  font-size: var(--qs-text-base);
  font-weight: var(--qs-fw-normal);
  line-height: var(--qs-lh-body);
  color: var(--qs-text);
  background-color: var(--qs-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--qs-primary);
  text-decoration: none;
  transition: color var(--qs-transition);
}

a:hover {
  color: var(--qs-primary-dark);
}

a:visited {
  color: var(--qs-primary);
}

a:focus-visible {
  outline: 2px solid var(--qs-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--qs-fw-bold);
  line-height: var(--qs-lh-heading);
  color: var(--qs-text);
}


/* --------------------------------------------------------------------------
   2. Layout — Container & Section
   -------------------------------------------------------------------------- */
.qs-container {
  max-width: var(--qs-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--qs-space-6);
  padding-right: var(--qs-space-6);
}

.qs-section {
  padding-top: var(--qs-space-20);
  padding-bottom: var(--qs-space-20);
}

.qs-section--alt {
  background-color: var(--qs-bg-alt);
}

.qs-section--dark {
  background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
  color: #FFFFFF;
}

.qs-section--dark h2,
.qs-section--dark h3,
.qs-section--dark h4 {
  color: #FFFFFF;
}

.qs-section--dark p {
  color: rgba(255, 255, 255, 0.7);
}

/* Section header pattern — used above grids */
.qs-section__header {
  margin-bottom: var(--qs-space-12);
}

.qs-section__label {
  display: inline-block;
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--qs-space-3);
}

.qs-section__title {
  font-size: var(--qs-text-3xl);
  font-weight: var(--qs-fw-bold);
  margin-bottom: var(--qs-space-2);
  position: relative;
}

/* Decorative accent line under section title */
.qs-section__title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--qs-primary), var(--qs-accent));
  border-radius: 2px;
  margin-top: var(--qs-space-3);
  transition: width 0.6s ease;
}

/* Wider accent when section header is visible */
.qs-fade-up--visible .qs-section__title::after,
.qs-section__header.qs-fade-up--visible .qs-section__title::after {
  width: 64px;
}

.qs-section__desc {
  font-size: var(--qs-text-md);
  color: var(--qs-text-secondary);
  max-width: 600px;
  line-height: var(--qs-lh-body);
  margin-top: var(--qs-space-4);
}


/* --------------------------------------------------------------------------
   3. Header
   -------------------------------------------------------------------------- */
.qs-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--qs-header-h);
  background-color: var(--qs-bg);
  border-bottom: 1px solid transparent;
  transition: border-color var(--qs-transition), box-shadow var(--qs-transition);
}

.qs-header--scrolled {
  border-bottom-color: var(--qs-border);
  box-shadow: var(--qs-shadow-sm);
}

.qs-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.qs-logo {
  display: flex;
  align-items: center;
  gap: var(--qs-space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.qs-logo__mark {
  width: 36px;
  height: 36px;
  background-color: var(--qs-primary);
  color: #FFFFFF;
  border-radius: var(--qs-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-bold);
  line-height: 1;
}

.qs-logo__text {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-bold);
  color: var(--qs-text);
}

/* Desktop Nav */
.qs-nav {
  display: flex;
  align-items: center;
}

.qs-nav__list {
  display: flex;
  align-items: center;
  gap: var(--qs-space-1);
}

.qs-nav__link {
  display: block;
  padding: var(--qs-space-2) var(--qs-space-3);
  font-size: 0.9375rem; /* 15px */
  font-weight: var(--qs-fw-medium);
  color: var(--qs-text);
  text-decoration: none;
  border-radius: var(--qs-radius-sm);
  transition: color var(--qs-transition);
}

.qs-nav__link:visited {
  color: var(--qs-text);
}

.qs-nav__link:hover,
.qs-nav__link--active {
  color: var(--qs-primary);
}

/* Dropdown (mega menu) */
.qs-nav__item--has-sub {
  position: relative;
}

.qs-nav__mega {
  position: fixed;
  top: var(--qs-header-h, 64px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: min(900px, 92vw);
  background-color: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.6);
  border-top: 2px solid var(--qs-primary);
  border-radius: 0 0 var(--qs-radius-lg) var(--qs-radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(26, 86, 219, 0.06);
  padding: var(--qs-space-6) var(--qs-space-8) var(--qs-space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 100;
}

.qs-nav__item--has-sub:hover > .qs-nav__mega,
.qs-nav__item--has-sub:focus-within > .qs-nav__mega,
.qs-nav__mega--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Invisible bridge: extends from the <li> down to the fixed mega menu,
   so the mouse can travel from the nav link to the dropdown without
   leaving the parent element's hover zone (gap caused by position: fixed). */
.qs-nav__item--has-sub::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: calc(var(--qs-header-h, 72px) - 100% + 4px);
  min-height: 20px;
  display: none;
}

.qs-nav__item--has-sub:hover::after {
  display: block;
}

.qs-nav__mega-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--qs-space-6);
  position: relative;
}

/* Column divider between services and solutions */
.qs-nav__mega-inner::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--qs-border-light) 20%, var(--qs-border-light) 80%, transparent);
  pointer-events: none;
}

.qs-nav__mega-col h4,
.qs-nav__mega-title {
  font-size: 0.75rem;
  font-weight: var(--qs-fw-bold);
  color: var(--qs-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--qs-space-3);
  padding-bottom: var(--qs-space-2);
  border-bottom: 1px solid var(--qs-border-light);
}

/* Mega menu list */
.qs-nav__mega-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.qs-nav__mega-item { margin: 0; }

/* Mega menu link with icon + text */
.qs-nav__mega-link {
  display: flex;
  align-items: flex-start;
  gap: var(--qs-space-3);
  padding: var(--qs-space-2) var(--qs-space-3);
  border-radius: var(--qs-radius-md);
  color: var(--qs-text);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
}
.qs-nav__mega-link:visited { color: var(--qs-text); }
.qs-nav__mega-link:hover {
  background-color: var(--qs-bg-alt);
  color: var(--qs-text);
  border-left-color: var(--qs-primary);
  padding-left: calc(var(--qs-space-3) + 2px);
}

/* Icon container */
.qs-nav__mega-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--qs-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.qs-nav__mega-icon--svc {
  background-color: rgba(26, 86, 219, 0.08);
  color: var(--qs-primary);
}
.qs-nav__mega-icon--sol {
  background-color: rgba(249, 115, 22, 0.08);
  color: var(--qs-accent);
}
.qs-nav__mega-link:hover .qs-nav__mega-icon--svc {
  background-color: var(--qs-primary);
  color: #fff;
}
.qs-nav__mega-link:hover .qs-nav__mega-icon--sol {
  background-color: var(--qs-accent);
  color: #fff;
}

/* Text container */
.qs-nav__mega-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  padding-top: 2px;
}
.qs-nav__mega-name {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  line-height: 1.3;
}
.qs-nav__mega-desc {
  font-size: 0.75rem;
  color: var(--qs-text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Mega footer with "view all" links */
.qs-nav__mega-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--qs-space-4);
  padding-top: var(--qs-space-4);
  margin-top: var(--qs-space-4);
  border-top: 1px solid var(--qs-border-light);
}
.qs-nav__mega-footer a {
  font-size: 0.8125rem;
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-primary);
  text-decoration: none;
  padding: var(--qs-space-2) var(--qs-space-3);
  border-radius: var(--qs-radius-sm);
  background-color: rgba(26, 86, 219, 0.04);
  transition: all 0.2s ease;
}
.qs-nav__mega-footer a:hover {
  color: #fff;
  background-color: var(--qs-primary);
}
.qs-nav__mega-footer a:visited { color: var(--qs-primary); }
.qs-nav__mega-footer a:hover:visited { color: #fff; }

/* Simple dropdown (About etc.) */
.qs-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  min-width: 220px;
  background-color: #fff;
  border: 1px solid var(--qs-border-light);
  border-top: 2px solid var(--qs-primary);
  border-radius: 0 0 var(--qs-radius-md) var(--qs-radius-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  padding: var(--qs-space-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 100;
}

.qs-nav__item--has-sub:hover > .qs-nav__dropdown,
.qs-nav__item--has-sub:focus-within > .qs-nav__dropdown,
.qs-nav__dropdown.qs-nav__mega--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Dropdown item with icon + text */
.qs-nav__dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--qs-space-3);
  padding: var(--qs-space-2) var(--qs-space-3);
  border-radius: var(--qs-radius-sm);
  color: var(--qs-text);
  text-decoration: none;
  transition: all 0.2s ease;
}
.qs-nav__dropdown-item:visited { color: var(--qs-text); }
.qs-nav__dropdown-item:hover {
  background-color: var(--qs-bg-alt);
  color: var(--qs-text);
}

.qs-nav__dropdown-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--qs-radius-sm);
  background-color: rgba(26, 86, 219, 0.06);
  color: var(--qs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.qs-nav__dropdown-item:hover .qs-nav__dropdown-icon {
  background-color: var(--qs-primary);
  color: #fff;
}

.qs-nav__dropdown-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.qs-nav__dropdown-name {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  line-height: 1.3;
}
.qs-nav__dropdown-desc {
  font-size: 0.75rem;
  color: var(--qs-text-muted);
  line-height: 1.3;
}

/* Nav CTA button (right side) */
.qs-nav__cta {
  margin-left: var(--qs-space-4);
}

/* Hamburger toggle — hidden on desktop */
.qs-nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--qs-radius-sm);
  color: var(--qs-text);
  transition: background-color var(--qs-transition);
}

.qs-nav__toggle:hover {
  background-color: var(--qs-bg-alt);
}

.qs-nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: all 0.3s ease;
}


/* --------------------------------------------------------------------------
   4. Mobile Nav Overlay
   -------------------------------------------------------------------------- */
.qs-mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--qs-nav-mobile-w);
  background-color: var(--qs-bg-dark);
  z-index: 1100;
  transform: translateX(100%);
  transition: transform var(--qs-transition-slow);
  overflow-y: auto;
  padding: var(--qs-space-6);
  display: none;
}

.qs-mobile-nav--open {
  transform: translateX(0);
}

.qs-mobile-nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: rgba(255, 255, 255, 0.6);
  border-radius: var(--qs-radius-sm);
  margin-left: auto;
  margin-bottom: var(--qs-space-8);
  transition: color var(--qs-transition);
}

.qs-mobile-nav__close:hover {
  color: #FFFFFF;
}

.qs-mobile-nav__list {
  display: flex;
  flex-direction: column;
}

.qs-mobile-nav__link,
.qs-mobile-nav__link:visited {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: var(--qs-space-3) 0;
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-medium);
  color: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color var(--qs-transition);
}

.qs-mobile-nav__link:hover {
  color: #FFFFFF;
}

/* Overlay backdrop */
.qs-mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 1099;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--qs-transition-slow), visibility var(--qs-transition-slow);
  display: none;
}

.qs-mobile-nav-overlay--visible {
  opacity: 1;
  visibility: visible;
}


/* --------------------------------------------------------------------------
   5. Hero
   -------------------------------------------------------------------------- */
.qs-hero {
  padding-top: calc(var(--qs-header-h) + var(--qs-space-16));
  padding-bottom: var(--qs-space-20);
  background: linear-gradient(170deg, #F8FAFF 0%, var(--qs-bg) 40%, #FFF8F4 100%);
  position: relative;
  overflow: hidden;
}

/* Subtle decorative dots pattern in hero background */
.qs-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: radial-gradient(circle, var(--qs-border-light) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
}

/* Floating gradient orb decoration */
.qs-hero::after {
  content: "";
  position: absolute;
  top: 20%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, rgba(255, 107, 53, 0.03) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: qs-hero-float 8s ease-in-out infinite;
}

@keyframes qs-hero-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.02); }
}

.qs-hero__inner {
  display: flex;
  align-items: center;
  gap: var(--qs-space-16);
  position: relative;
  z-index: 1;
}

.qs-hero__content {
  flex: 0 1 60%;
  min-width: 0;
}

.qs-hero__visual {
  flex: 0 1 40%;
  min-width: 0;
}

.qs-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--qs-space-2);
  padding: var(--qs-space-1) var(--qs-space-4);
  background-color: var(--qs-primary-light);
  color: var(--qs-primary);
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  border-radius: var(--qs-radius-full);
  margin-bottom: var(--qs-space-6);
}

.qs-hero__title {
  font-size: var(--qs-text-4xl);
  font-weight: var(--qs-fw-bold);
  line-height: var(--qs-lh-tight);
  margin-bottom: var(--qs-space-6);
  /* No gradient text. Just solid dark type. */
  color: var(--qs-text);
}

.qs-hero__subtitle {
  font-size: var(--qs-text-md);
  color: var(--qs-text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--qs-space-8);
}

.qs-hero__actions {
  display: flex;
  align-items: center;
  gap: var(--qs-space-3);
  flex-wrap: wrap;
}

/* Hero image — styled container for the illustration */
.qs-hero__image {
  width: 100%;
  border-radius: var(--qs-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(26, 86, 219, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
}

.qs-hero__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Accent span for hero title */
.qs-accent {
  background: linear-gradient(135deg, var(--qs-primary) 0%, #4F7CFF 50%, var(--qs-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.qs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--qs-space-2);
  padding: 12px 28px;
  font-size: 0.9375rem; /* 15px */
  font-weight: var(--qs-fw-semibold);
  line-height: 1;
  border-radius: var(--qs-radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--qs-transition),
              box-shadow var(--qs-transition),
              transform var(--qs-transition),
              color var(--qs-transition);
}

.qs-btn:active {
  transform: translateY(0) !important;
}

/* Primary — Orange CTA */
.qs-btn--primary {
  background-color: var(--qs-accent);
  color: #FFFFFF;
  box-shadow: var(--qs-shadow-sm);
  position: relative;
  overflow: hidden;
}

.qs-btn--primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.qs-btn--primary:hover::after {
  left: 120%;
}

.qs-btn--primary:hover {
  background-color: var(--qs-accent-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

/* Secondary — Blue */
.qs-btn--secondary {
  background-color: var(--qs-primary);
  color: #FFFFFF;
}

.qs-btn--secondary:hover {
  background-color: var(--qs-primary-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* Outline */
.qs-btn--outline {
  background-color: transparent;
  color: var(--qs-text);
  border: 1.5px solid var(--qs-border);
}

.qs-btn--outline:hover {
  background-color: var(--qs-bg-alt);
  border-color: var(--qs-border);
  color: var(--qs-text);
}

/* Small variant */
.qs-btn--sm {
  padding: 8px 16px;
  font-size: var(--qs-text-sm);
}

/* Ghost — text only with subtle bg on hover */
.qs-btn--ghost {
  background-color: transparent;
  color: var(--qs-primary);
  padding: var(--qs-space-2) var(--qs-space-3);
}

.qs-btn--ghost:hover {
  background-color: var(--qs-primary-light);
}

/* Focus ring for keyboard navigation */
.qs-btn:focus-visible {
  outline: 2px solid var(--qs-primary);
  outline-offset: 2px;
}

/* Disabled state */
.qs-btn:disabled,
.qs-btn--disabled {
  opacity: 0.5;
  pointer-events: none;
}


/* --------------------------------------------------------------------------
   7. Service Cards & Grid
   -------------------------------------------------------------------------- */
.qs-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--qs-space-6);
}

/* First card is featured — spans 2 rows */
.qs-service-grid > .qs-service-card:first-child {
  grid-row: span 2;
}

.qs-service-card {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--qs-transition), border-color var(--qs-transition), box-shadow var(--qs-transition);
  position: relative;
}

.qs-service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--qs-primary), var(--qs-accent));
  border-radius: var(--qs-radius-md) var(--qs-radius-md) 0 0;
  opacity: 0;
  transition: opacity var(--qs-transition);
}

.qs-service-card:hover {
  transform: translateY(-4px);
  border-color: var(--qs-primary-light);
  box-shadow: 0 12px 32px rgba(26, 86, 219, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
}

.qs-service-card:hover::before {
  opacity: 1;
}

.qs-service-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--qs-primary-light);
  color: var(--qs-primary);
  border-radius: var(--qs-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--qs-text-xl);
  margin-bottom: var(--qs-space-5);
  flex-shrink: 0;
}

.qs-service-card__title {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-semibold);
  margin-bottom: var(--qs-space-3);
}

.qs-service-card__desc {
  font-size: 0.9375rem; /* 15px */
  color: var(--qs-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: var(--qs-space-5);
}

.qs-service-card__link {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--qs-space-1);
  transition: gap var(--qs-transition);
}

.qs-service-card__link:hover {
  gap: var(--qs-space-2);
}

/* --------------------------------------------------------------------------
   7b. Cover Card (Shared — services & solutions with images)
   -------------------------------------------------------------------------- */
.qs-cover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--qs-space-6);
}

.qs-cover-card {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  overflow: hidden;
  transition: transform var(--qs-transition), box-shadow var(--qs-transition);
  display: flex;
  flex-direction: column;
}

.qs-cover-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(26, 86, 219, 0.1), 0 4px 12px rgba(0, 0, 0, 0.04);
}

.qs-cover-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--qs-bg-alt), #EEF2FF);
}

.qs-cover-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.qs-cover-card:hover .qs-cover-card__image img {
  transform: scale(1.05);
}

.qs-cover-card__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #EEF2FF 0%, #F0F4FF 50%, #FFF5F0 100%);
}

.qs-cover-card__body {
  padding: var(--qs-space-5);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.qs-cover-card__title {
  font-size: 1.125rem;
  font-weight: var(--qs-fw-semibold);
  margin-bottom: var(--qs-space-2);
  color: var(--qs-text);
}

.qs-cover-card__desc {
  font-size: 0.9375rem;
  color: var(--qs-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: var(--qs-space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-cover-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--qs-space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--qs-space-2);
}

.qs-cover-card__features li {
  font-size: var(--qs-text-xs);
  color: var(--qs-primary);
  background-color: var(--qs-primary-light);
  padding: 2px 10px;
  border-radius: var(--qs-radius-sm);
}

.qs-cover-card__link {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--qs-space-1);
  transition: gap var(--qs-transition);
}

.qs-cover-card__link:hover {
  gap: var(--qs-space-2);
}

@media (max-width: 1024px) {
  .qs-cover-grid { grid-template-columns: repeat(2, 1fr); }
  .qs-advantage-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .qs-cover-grid { grid-template-columns: 1fr; }
  .qs-feature-grid { grid-template-columns: 1fr; }
  .qs-advantage-grid { grid-template-columns: 1fr; }
  .qs-stats-row { flex-direction: column; }
}


/* --------------------------------------------------------------------------
   8. Stats Bar
   -------------------------------------------------------------------------- */
.qs-stats {
  padding-top: var(--qs-space-12);
  padding-bottom: var(--qs-space-12);
  border-top: 1px solid var(--qs-border);
  border-bottom: 1px solid var(--qs-border);
}

.qs-stats__grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--qs-space-8);
}

.qs-stats__item {
  text-align: center;
  min-width: 120px;
}

.qs-stats__number {
  font-size: var(--qs-text-3xl);
  font-weight: var(--qs-fw-bold);
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: var(--qs-space-2);
  background: linear-gradient(135deg, #FFFFFF 30%, rgba(255, 107, 53, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qs-stats__label {
  font-size: var(--qs-text-sm);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.02em;
}

/* About page stats variant (light background) */
.qs-about-intro__stats .qs-stats__number {
  background: linear-gradient(135deg, var(--qs-primary) 0%, #2563EB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qs-about-intro__stats .qs-stats__label {
  color: var(--qs-text-secondary);
}


/* --------------------------------------------------------------------------
   9. Case Cards & Grid
   -------------------------------------------------------------------------- */
.qs-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--qs-space-6);
}

/* First case card spans 2 columns for visual interest */
.qs-case-grid > .qs-case-card:first-child {
  grid-column: span 2;
}

.qs-case-card {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius-md);
  overflow: hidden;
  transition: transform var(--qs-transition), box-shadow var(--qs-transition);
}

.qs-case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--qs-shadow-lg);
}

.qs-case-card__image {
  height: 200px;
  background-color: var(--qs-bg-alt);
  overflow: hidden;
  position: relative;
}

.qs-case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.qs-case-card:hover .qs-case-card__image img {
  transform: scale(1.05);
}

.qs-case-card__body {
  padding: var(--qs-space-5);
}

.qs-case-card__tag {
  display: inline-block;
  padding: 2px 10px;
  background-color: var(--qs-bg-alt);
  color: var(--qs-text-secondary);
  font-size: var(--qs-text-xs);
  font-weight: var(--qs-fw-medium);
  border-radius: var(--qs-radius-full);
  margin-bottom: var(--qs-space-3);
}

.qs-case-card__title {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-semibold);
  margin-bottom: var(--qs-space-2);
}

.qs-case-card__desc {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
  line-height: 1.6;
}


/* --------------------------------------------------------------------------
   10. Testimonials
   -------------------------------------------------------------------------- */
.qs-testimonial {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  padding: var(--qs-space-8);
  position: relative;
}

/* Decorative quote mark */
.qs-testimonial::before {
  content: "\201C";
  position: absolute;
  top: var(--qs-space-4);
  left: var(--qs-space-5);
  font-size: 4rem;
  line-height: 1;
  color: var(--qs-primary-light);
  font-family: Georgia, serif;
  pointer-events: none;
}

.qs-testimonial__quote {
  font-size: var(--qs-text-base);
  line-height: var(--qs-lh-reading);
  color: var(--qs-text);
  position: relative;
  padding-left: var(--qs-space-6);
  border-left: 3px solid var(--qs-primary);
  margin-bottom: var(--qs-space-6);
  margin-top: var(--qs-space-4);
}

.qs-testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--qs-space-3);
}

.qs-testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--qs-radius-full);
  background: linear-gradient(135deg, #dbeafe, #c7d9f7);
  color: var(--qs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: var(--qs-fw-bold);
  flex-shrink: 0;
  border: 2px solid rgba(26, 86, 219, 0.35);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.12), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

.qs-testimonial__name {
  font-size: var(--qs-text-base);
  font-weight: var(--qs-fw-semibold);
}

.qs-testimonial__role {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
}

/* Two-column testimonial variant */
.qs-testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--qs-space-8);
}


/* --------------------------------------------------------------------------
   11. CTA Section
   -------------------------------------------------------------------------- */
.qs-cta {
  background: linear-gradient(135deg, var(--qs-bg-dark) 0%, #1E2A4A 100%);
  padding-top: var(--qs-space-16);
  padding-bottom: var(--qs-space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Subtle gradient orb decoration */
.qs-cta::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 86, 219, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.qs-cta::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.qs-cta__title {
  font-size: var(--qs-text-2xl);
  font-weight: var(--qs-fw-bold);
  color: #FFFFFF;
  margin-bottom: var(--qs-space-4);
}

.qs-cta__desc {
  font-size: var(--qs-text-md);
  color: rgba(255, 255, 255, 0.6);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--qs-space-8);
}

/* Reverse button on dark bg */
.qs-btn--reverse {
  background-color: #FFFFFF;
  color: var(--qs-primary);
  font-weight: var(--qs-fw-semibold);
}

.qs-btn--reverse:hover {
  background-color: var(--qs-bg-alt);
  transform: translateY(-1px);
  box-shadow: var(--qs-shadow-md);
  color: var(--qs-primary);
}


/* --------------------------------------------------------------------------
   12. Page Header / Banner
   -------------------------------------------------------------------------- */
.qs-page-header {
  padding-top: calc(var(--qs-header-h) + var(--qs-space-16));
  padding-bottom: var(--qs-space-12);
  background: linear-gradient(160deg, #0F172A 0%, #1E293B 60%, #1A365D 100%);
  position: relative;
  overflow: hidden;
}

/* Subtle grid pattern overlay */
.qs-page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* Decorative gradient orb - right side */
.qs-page-header::after {
  content: "";
  position: absolute;
  top: -40%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 86, 219, 0.12) 0%, rgba(255, 107, 53, 0.06) 50%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.qs-page-header > .qs-container {
  position: relative;
  z-index: 1;
}

.qs-page-header__title {
  font-size: var(--qs-text-3xl);
  font-weight: var(--qs-fw-bold);
  color: #FFFFFF;
  margin-bottom: var(--qs-space-3);
}

.qs-page-header__desc {
  font-size: var(--qs-text-md);
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
}


/* --------------------------------------------------------------------------
   13. Breadcrumb
   -------------------------------------------------------------------------- */
.qs-breadcrumb {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  margin-bottom: var(--qs-space-6);
}

/* On dark background */
.qs-page-header .qs-breadcrumb {
  color: rgba(255, 255, 255, 0.4);
}

.qs-breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--qs-space-2);
}

.qs-breadcrumb__sep {
  color: var(--qs-text-muted);
  user-select: none;
}

.qs-page-header .qs-breadcrumb__sep {
  color: rgba(255, 255, 255, 0.3);
}

.qs-breadcrumb__link,
.qs-breadcrumb__link:visited {
  color: var(--qs-text-muted);
  transition: color var(--qs-transition);
}

.qs-breadcrumb__link:hover {
  color: var(--qs-text);
  text-decoration: underline;
}

.qs-page-header .qs-breadcrumb__link,
.qs-page-header .qs-breadcrumb__link:visited {
  color: rgba(255, 255, 255, 0.5);
}

.qs-page-header .qs-breadcrumb__link:hover {
  color: #FFFFFF;
}

.qs-breadcrumb__current {
  color: var(--qs-text-secondary);
}

.qs-page-header .qs-breadcrumb__current {
  color: rgba(255, 255, 255, 0.7);
}


/* --------------------------------------------------------------------------
   14. Content Body (CMS rich text)
   -------------------------------------------------------------------------- */
.qs-content {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--qs-text-base);
  line-height: var(--qs-lh-reading);
  color: var(--qs-text);
}

.qs-content h2 {
  font-size: var(--qs-text-xl);
  margin-top: var(--qs-space-10);
  margin-bottom: var(--qs-space-4);
}

.qs-content h3 {
  font-size: var(--qs-text-lg);
  margin-top: var(--qs-space-8);
  margin-bottom: var(--qs-space-3);
}

.qs-content h4 {
  font-size: var(--qs-text-md);
  margin-top: var(--qs-space-6);
  margin-bottom: var(--qs-space-3);
}

.qs-content p {
  margin-bottom: var(--qs-space-5);
}

.qs-content ul,
.qs-content ol {
  margin-bottom: var(--qs-space-5);
  padding-left: var(--qs-space-6);
}

.qs-content ul {
  list-style: disc;
}

.qs-content ol {
  list-style: decimal;
}

.qs-content li {
  margin-bottom: var(--qs-space-2);
}

.qs-content li::marker {
  color: var(--qs-text-muted);
}

.qs-content img {
  border-radius: var(--qs-radius-md);
  margin: var(--qs-space-6) 0;
}

.qs-content blockquote {
  border-left: 3px solid var(--qs-primary);
  padding-left: var(--qs-space-5);
  margin: var(--qs-space-6) 0;
  color: var(--qs-text-secondary);
  font-size: var(--qs-text-md);
}

.qs-content code {
  font-family: var(--qs-font-mono);
  font-size: 0.875em;
  background-color: var(--qs-bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
}

.qs-content pre {
  background-color: var(--qs-bg-dark);
  color: #E5E7EB;
  padding: var(--qs-space-5);
  border-radius: var(--qs-radius-md);
  overflow-x: auto;
  margin: var(--qs-space-6) 0;
  font-family: var(--qs-font-mono);
  font-size: var(--qs-text-sm);
  line-height: 1.6;
}

.qs-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.qs-content a {
  color: var(--qs-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.qs-content a:hover {
  color: var(--qs-primary-dark);
}

.qs-content hr {
  border: none;
  border-top: 1px solid var(--qs-border);
  margin: var(--qs-space-8) 0;
}

.qs-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--qs-space-6) 0;
}

.qs-content th,
.qs-content td {
  padding: var(--qs-space-3) var(--qs-space-4);
  text-align: left;
  border-bottom: 1px solid var(--qs-border);
}

.qs-content th {
  font-weight: var(--qs-fw-semibold);
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
}


/* --------------------------------------------------------------------------
   15. Forms
   -------------------------------------------------------------------------- */
.qs-form__group {
  margin-bottom: var(--qs-space-5);
}

.qs-form__label {
  display: block;
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-text);
  margin-bottom: var(--qs-space-1);
}

.qs-form__label--required::after {
  content: " *";
  color: var(--qs-error);
}

.qs-form__input,
.qs-form__select {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: var(--qs-text-base);
  color: var(--qs-text);
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius-sm);
  outline: none;
  transition: border-color var(--qs-transition), box-shadow var(--qs-transition);
}

.qs-form__input::placeholder,
.qs-form__textarea::placeholder {
  color: var(--qs-text-muted);
}

.qs-form__input:focus,
.qs-form__select:focus,
.qs-form__textarea:focus {
  border-color: var(--qs-primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.qs-form__input--error,
.qs-form__textarea--error {
  border-color: var(--qs-error);
}

.qs-form__input--error:focus,
.qs-form__textarea--error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.qs-form__error-msg {
  font-size: var(--qs-text-xs);
  color: var(--qs-error);
  margin-top: var(--qs-space-1);
}

.qs-form__help {
  font-size: var(--qs-text-xs);
  color: var(--qs-text-muted);
  margin-top: var(--qs-space-1);
}

.qs-form__textarea {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: var(--qs-text-base);
  color: var(--qs-text);
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius-sm);
  outline: none;
  min-height: 120px;
  resize: vertical;
  transition: border-color var(--qs-transition), box-shadow var(--qs-transition);
}

.qs-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.qs-form__submit {
  width: 100%;
}

/* Two-column form row */
.qs-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--qs-space-5);
}

.qs-form__note {
  font-size: var(--qs-text-xs);
  color: var(--qs-text-muted);
  margin-top: var(--qs-space-4);
  line-height: 1.6;
}

.qs-form__required {
  color: var(--qs-error);
  font-weight: var(--qs-fw-bold);
}

/* Form success message */
.qs-form__success {
  padding: var(--qs-space-4) var(--qs-space-5);
  background-color: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: var(--qs-radius-sm);
  color: var(--qs-success);
  font-size: var(--qs-text-sm);
  margin-bottom: var(--qs-space-5);
}


/* --------------------------------------------------------------------------
   15b. Contact Page
   -------------------------------------------------------------------------- */
.qs-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--qs-space-12);
  align-items: start;
}

.qs-contact-info h2 {
  font-size: var(--qs-text-xl);
  margin-bottom: var(--qs-space-3);
}

.qs-contact-info > p {
  color: var(--qs-text-secondary);
  line-height: var(--qs-lh-reading);
  margin-bottom: var(--qs-space-8);
}

.qs-contact-cards {
  display: flex;
  flex-direction: column;
  gap: var(--qs-space-5);
}

.qs-contact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--qs-space-4);
  padding: var(--qs-space-5);
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-md);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.qs-contact-card:hover {
  border-color: rgba(26, 86, 219, 0.2);
  box-shadow: 0 4px 16px rgba(26, 86, 219, 0.05);
}

.qs-contact-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--qs-radius-md);
  background-color: var(--qs-primary-light);
  color: var(--qs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qs-contact-card__body h3 {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-text-secondary);
  margin-bottom: var(--qs-space-1);
}

.qs-contact-card__body p {
  font-size: var(--qs-text-base);
  color: var(--qs-text);
}

.qs-contact-card__body a {
  color: var(--qs-primary);
}

.qs-contact-form-wrapper {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius-lg);
  padding: var(--qs-space-8);
  box-shadow: var(--qs-shadow-sm);
}

.qs-contact-form-wrapper h2 {
  font-size: var(--qs-text-xl);
  margin-bottom: var(--qs-space-2);
}

.qs-contact-form-wrapper > p {
  color: var(--qs-text-secondary);
  margin-bottom: var(--qs-space-6);
}

/* Map */
.qs-map-section h2 {
  font-size: var(--qs-text-xl);
  margin-bottom: var(--qs-space-6);
}

.qs-map-wrapper {
  border-radius: var(--qs-radius-lg);
  overflow: hidden;
  min-height: 360px;
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 50%, #f5f0ff 100%);
  border: 1px solid var(--qs-border-light);
  position: relative;
}

.qs-map-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231a56db' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.qs-map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  color: var(--qs-primary);
  gap: var(--qs-space-4);
  position: relative;
  z-index: 1;
}

.qs-map-placeholder svg {
  width: 56px;
  height: 56px;
  stroke-width: 1.5;
  opacity: 0.6;
}

.qs-map-placeholder p {
  font-size: var(--qs-text-base);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-text-secondary);
}


/* --------------------------------------------------------------------------
   15c. Article / Insight Cards
   -------------------------------------------------------------------------- */
.qs-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--qs-space-6);
}

.qs-article-card {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  overflow: hidden;
  transition: box-shadow var(--qs-transition), transform var(--qs-transition);
}

.qs-article-card:hover {
  box-shadow: var(--qs-shadow-md);
  transform: translateY(-2px);
}

.qs-article-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--qs-bg-alt);
}

.qs-article-card__body {
  padding: var(--qs-space-5);
}

.qs-article-card__tag {
  display: inline-block;
  font-size: var(--qs-text-xs);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-primary);
  background-color: var(--qs-primary-light);
  padding: 2px 8px;
  border-radius: var(--qs-radius-sm);
  margin-bottom: var(--qs-space-2);
}

.qs-article-card__title {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-semibold);
  margin-bottom: var(--qs-space-2);
  line-height: var(--qs-lh-heading);
}

.qs-article-card__title a {
  color: var(--qs-text);
}

.qs-article-card__title a:hover {
  color: var(--qs-primary);
}

.qs-article-card__desc {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--qs-space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--qs-space-3);
  font-size: var(--qs-text-xs);
  color: var(--qs-text-muted);
}

.qs-article-card__date {
  color: var(--qs-text-muted);
}

.qs-article-card__link {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-primary);
  margin-top: var(--qs-space-3);
  display: inline-block;
}

/* Article detail */
.qs-article-detail {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.qs-article-detail__cover {
  width: 100%;
  border-radius: var(--qs-radius-lg);
  margin-bottom: var(--qs-space-8);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.qs-article-detail__header {
  margin-bottom: var(--qs-space-8);
}

.qs-article-detail__title {
  font-size: var(--qs-text-3xl);
  line-height: var(--qs-lh-tight);
  margin-bottom: var(--qs-space-4);
}

.qs-article-detail__meta {
  display: flex;
  align-items: center;
  gap: var(--qs-space-4);
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  flex-wrap: wrap;
}

.qs-article-detail__author {
  font-weight: var(--qs-fw-medium);
  color: var(--qs-text-secondary);
}

.qs-article-detail__date {
  color: var(--qs-text-muted);
}

.qs-article-detail__tags {
  display: flex;
  gap: var(--qs-space-2);
  flex-wrap: wrap;
  margin-top: var(--qs-space-4);
}

.qs-article-detail__body {
  font-size: var(--qs-text-base);
  line-height: var(--qs-lh-reading);
  color: var(--qs-text);
}

.qs-article-detail__body h2 {
  font-size: var(--qs-text-xl);
  margin-top: var(--qs-space-10);
  margin-bottom: var(--qs-space-4);
}

.qs-article-detail__body h3 {
  font-size: var(--qs-text-lg);
  margin-top: var(--qs-space-8);
  margin-bottom: var(--qs-space-3);
}

.qs-article-detail__body p {
  margin-bottom: var(--qs-space-4);
}

.qs-article-detail__body img {
  border-radius: var(--qs-radius-md);
  margin: var(--qs-space-6) 0;
}

.qs-article-detail__body blockquote {
  border-left: 3px solid var(--qs-primary);
  padding-left: var(--qs-space-5);
  margin: var(--qs-space-6) 0;
  color: var(--qs-text-secondary);
  font-style: italic;
}


/* --------------------------------------------------------------------------
   15d. Team Grid
   -------------------------------------------------------------------------- */
.qs-team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--qs-space-6);
}

.qs-team-card {
  text-align: center;
  padding: var(--qs-space-8) var(--qs-space-5);
  background-color: #fff;
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  transition: all 0.3s ease;
  position: relative;
}

.qs-team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26, 86, 219, 0.08);
  border-color: var(--qs-primary);
}

.qs-team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--qs-primary), var(--qs-accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.qs-team-card:hover::before {
  opacity: 1;
}

.qs-team-card__avatar {
  width: 88px;
  height: 88px;
  border-radius: var(--qs-radius-full);
  object-fit: cover;
  margin: 0 auto var(--qs-space-4);
  background: linear-gradient(135deg, rgba(26, 86, 219, 0.08) 0%, rgba(249, 115, 22, 0.08) 100%);
  border: 3px solid transparent;
  background-clip: padding-box;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.qs-team-card__avatar svg {
  color: var(--qs-primary);
  opacity: 0.5;
}

.qs-team-card__name {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-bold);
  margin-bottom: var(--qs-space-1);
  color: var(--qs-text);
}

.qs-team-card__role {
  font-size: var(--qs-text-sm);
  color: var(--qs-primary);
  font-weight: var(--qs-fw-semibold);
  margin-bottom: var(--qs-space-3);
}

.qs-team-card__bio {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  line-height: 1.6;
}


/* --------------------------------------------------------------------------
   15e. Timeline / Process Steps
   -------------------------------------------------------------------------- */
.qs-timeline {
  position: relative;
  padding-left: var(--qs-space-12);
  max-width: 720px;
}

.qs-timeline::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--qs-primary) 0%, var(--qs-accent) 100%);
  opacity: 0.2;
}

.qs-timeline__item {
  position: relative;
  padding-bottom: var(--qs-space-8);
}

.qs-timeline__item:last-child {
  padding-bottom: 0;
}

.qs-timeline__number {
  position: absolute;
  left: calc(-1 * var(--qs-space-12));
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--qs-radius-full);
  background: linear-gradient(135deg, var(--qs-primary) 0%, #2563EB 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-bold);
  z-index: 1;
  box-shadow: 0 4px 12px rgba(26, 86, 219, 0.2);
}

.qs-timeline__title {
  font-size: var(--qs-text-lg);
  font-weight: var(--qs-fw-semibold);
  margin-bottom: var(--qs-space-2);
  color: var(--qs-text);
}

.qs-timeline__desc {
  font-size: var(--qs-text-base);
  color: var(--qs-text-secondary);
  line-height: var(--qs-lh-reading);
}

.qs-timeline__duration {
  display: inline-block;
  font-size: var(--qs-text-xs);
  color: var(--qs-primary);
  font-weight: var(--qs-fw-semibold);
  background-color: var(--qs-primary-light);
  padding: 3px 12px;
  border-radius: var(--qs-radius-full);
  margin-bottom: var(--qs-space-2);
}

.qs-timeline__details {
  margin-top: var(--qs-space-3);
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
  line-height: 1.6;
}

.qs-timeline__year {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-primary);
}

.qs-timeline__body {
  background-color: #fff;
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  padding: var(--qs-space-5) var(--qs-space-6);
  margin-top: var(--qs-space-1);
  transition: all 0.25s ease;
}

.qs-timeline__body:hover {
  border-color: rgba(26, 86, 219, 0.3);
  box-shadow: 0 4px 16px rgba(26, 86, 219, 0.06);
}


/* --------------------------------------------------------------------------
   15f. About Page Intro
   -------------------------------------------------------------------------- */
.qs-about-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--qs-space-12);
  align-items: center;
}

.qs-about-intro__text {
  font-size: var(--qs-text-base);
  line-height: var(--qs-lh-reading);
  color: var(--qs-text);
}

.qs-about-intro__text p {
  margin-bottom: var(--qs-space-4);
}

.qs-about-intro__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--qs-space-5);
}

/* About page stats items as individual cards */
.qs-about-intro__stats .qs-stats__item {
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  padding: var(--qs-space-6) var(--qs-space-5);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.qs-about-intro__stats .qs-stats__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.06);
}


/* --------------------------------------------------------------------------
   15g. Pagination
   -------------------------------------------------------------------------- */
.qs-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--qs-space-2);
  margin-top: var(--qs-space-10);
  padding-top: var(--qs-space-8);
  border-top: 1px solid var(--qs-border-light);
}

.qs-pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--qs-space-3);
  border-radius: var(--qs-radius-sm);
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
  transition: background-color var(--qs-transition), color var(--qs-transition);
}

.qs-pagination__link:hover {
  background-color: var(--qs-bg-alt);
  color: var(--qs-text);
}

.qs-pagination__link--active {
  background-color: var(--qs-primary);
  color: #FFFFFF;
  font-weight: var(--qs-fw-semibold);
}

.qs-pagination__link--active:hover {
  background-color: var(--qs-primary-dark);
  color: #FFFFFF;
}

.qs-pagination__link--prev,
.qs-pagination__link--next {
  font-weight: var(--qs-fw-medium);
}

.qs-pagination__info {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  padding: 0 var(--qs-space-3);
}


/* --------------------------------------------------------------------------
   15h. Filter, Tags, Empty, Load More, Misc
   -------------------------------------------------------------------------- */
.qs-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qs-space-2);
  margin-bottom: var(--qs-space-8);
  justify-content: center;
}

.qs-filter__btn {
  display: inline-block;
  padding: var(--qs-space-2) var(--qs-space-4);
  border-radius: var(--qs-radius-full);
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-text-secondary);
  background-color: var(--qs-bg-alt);
  border: 1px solid var(--qs-border);
  cursor: pointer;
  transition: all var(--qs-transition);
}

.qs-filter__btn:hover,
.qs-filter__btn--active {
  background-color: var(--qs-primary);
  color: #FFFFFF;
  border-color: var(--qs-primary);
}

.qs-filter__btn--active:visited,
.qs-filter__btn--active:hover {
  color: #FFFFFF;
}

.qs-tag {
  display: inline-block;
  font-size: var(--qs-text-xs);
  font-weight: var(--qs-fw-medium);
  padding: 2px 8px;
  border-radius: var(--qs-radius-sm);
  background-color: var(--qs-bg-alt);
  color: var(--qs-text-secondary);
  border: 1px solid var(--qs-border-light);
}

.qs-empty {
  text-align: center;
  padding: var(--qs-space-16) var(--qs-space-6);
  color: var(--qs-text-muted);
}

.qs-empty p {
  font-size: var(--qs-text-md);
}

.qs-load-more {
  display: block;
  margin: var(--qs-space-10) auto 0;
  padding: 12px 32px;
}

.qs-content__block {
  margin-bottom: var(--qs-space-8);
}

.qs-content__block h2 {
  font-size: var(--qs-text-xl);
  margin-bottom: var(--qs-space-4);
}

.qs-content__cover {
  width: 100%;
  border-radius: var(--qs-radius-lg);
  margin-bottom: var(--qs-space-6);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.qs-feature-list {
  list-style: none;
  padding: 0;
}

.qs-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--qs-space-3);
  padding: var(--qs-space-4) 0;
  border-bottom: 1px solid var(--qs-border-light);
}

.qs-feature-list li:last-child {
  border-bottom: none;
}

.qs-feature-list__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--qs-primary);
  margin-top: 2px;
}

.qs-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qs-space-2);
}

.qs-tech-tag {
  display: inline-block;
  padding: var(--qs-space-1) var(--qs-space-3);
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-medium);
  color: var(--qs-primary);
  background-color: var(--qs-primary-light);
  border-radius: var(--qs-radius-sm);
}

/* =========================================================================
   Service Detail — Overview, Stats, Feature Grid, Advantage Grid
   ========================================================================= */

/* Detail layout container */
.qs-detail-layout {
  max-width: 900px;
  margin: 0 auto;
}

/* Detail overview section */
.qs-detail-overview {
  margin-bottom: var(--qs-space-10);
}

.qs-detail-overview__tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.8125rem;
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-primary);
  background-color: var(--qs-primary-light);
  border-radius: 999px;
  margin-bottom: var(--qs-space-4);
}

.qs-detail-overview__title {
  font-size: var(--qs-text-2xl);
  font-weight: var(--qs-fw-bold);
  color: var(--qs-text);
  line-height: 1.35;
  margin-bottom: var(--qs-space-5);
}

.qs-detail-overview__body {
  max-width: 720px;
}

.qs-detail-overview__body p {
  font-size: var(--qs-text-md);
  line-height: 1.8;
  color: var(--qs-text-secondary);
  margin-bottom: var(--qs-space-4);
}

/* Stats row — horizontal stat cards */
.qs-stats-row {
  display: flex;
  gap: var(--qs-space-4);
  margin-top: var(--qs-space-6);
  flex-wrap: wrap;
}

.qs-stats-card {
  flex: 1;
  min-width: 160px;
  padding: var(--qs-space-5) var(--qs-space-6);
  background: linear-gradient(135deg, var(--qs-primary) 0%, #2563EB 100%);
  border-radius: var(--qs-radius-lg);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.qs-stats-card::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.qs-stats-card::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: -10px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.qs-stats-card__num {
  display: block;
  font-size: 2rem;
  font-weight: var(--qs-fw-bold);
  line-height: 1.2;
  margin-bottom: var(--qs-space-1);
}

.qs-stats-card__label {
  display: block;
  font-size: var(--qs-text-sm);
  opacity: 0.85;
  font-weight: var(--qs-fw-medium);
}

/* Detail content structured */
.qs-detail-content-structured {
  margin-bottom: var(--qs-space-8);
}

.qs-detail-content-structured h2 {
  font-size: var(--qs-text-xl);
  font-weight: var(--qs-fw-bold);
  color: var(--qs-text);
  margin-bottom: var(--qs-space-4);
}

.qs-detail-content-structured p {
  font-size: var(--qs-text-md);
  line-height: 1.8;
  color: var(--qs-text-secondary);
  margin-bottom: var(--qs-space-4);
}

/* Feature grid — card-based feature display */
.qs-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--qs-space-4);
  margin-top: var(--qs-space-4);
}

.qs-feature-card {
  display: flex;
  align-items: flex-start;
  gap: var(--qs-space-4);
  padding: var(--qs-space-5);
  background-color: var(--qs-bg-alt);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  transition: all 0.25s ease;
}

.qs-feature-card:hover {
  border-color: var(--qs-primary);
  box-shadow: 0 4px 20px rgba(26, 86, 219, 0.08);
  transform: translateY(-2px);
}

.qs-feature-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--qs-radius-md);
  background-color: rgba(26, 86, 219, 0.08);
  color: var(--qs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.qs-feature-card__body {
  flex: 1;
  min-width: 0;
}

.qs-feature-card__title {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-text);
  margin-bottom: var(--qs-space-1);
}

.qs-feature-card__desc {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  line-height: 1.6;
}

/* Advantage grid — numbered advantage cards */
.qs-advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--qs-space-4);
  margin-top: var(--qs-space-4);
}

.qs-advantage-card {
  padding: var(--qs-space-6);
  background-color: #fff;
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  transition: all 0.25s ease;
  position: relative;
}

.qs-advantage-card:hover {
  border-color: var(--qs-primary);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.08);
  transform: translateY(-3px);
}

.qs-advantage-card__num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--qs-primary) 0%, #2563EB 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-bold);
  margin-bottom: var(--qs-space-4);
}

.qs-advantage-card__title {
  font-size: var(--qs-text-md);
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-text);
  margin-bottom: var(--qs-space-2);
}

.qs-advantage-card__desc {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  line-height: 1.65;
}

/* CTA inner */
.qs-cta__inner {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.qs-cta__title {
  font-size: var(--qs-text-2xl);
  margin-bottom: var(--qs-space-3);
}

.qs-cta__desc {
  font-size: var(--qs-text-md);
  margin-bottom: var(--qs-space-6);
}

.qs-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--qs-space-4);
}

/* Section footer (used after grids) */
.qs-section__footer {
  text-align: center;
  margin-top: var(--qs-space-10);
}


/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.qs-footer {
  background: linear-gradient(180deg, #0F172A 0%, #111827 100%);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--qs-space-16);
  padding-bottom: var(--qs-space-8);
  position: relative;
}

/* Gradient accent line at top of footer */
.qs-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--qs-primary), var(--qs-accent), var(--qs-primary));
  background-size: 200% 100%;
  animation: qs-footer-shimmer 6s ease-in-out infinite;
}

@keyframes qs-footer-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.qs-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--qs-space-10);
  margin-bottom: var(--qs-space-12);
}

/* Footer columns — used in template */
.qs-footer__col {
  display: flex;
  flex-direction: column;
}

.qs-footer__col--brand {
  max-width: 280px;
}

.qs-footer__desc {
  font-size: var(--qs-text-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-top: var(--qs-space-4);
}

/* Footer link lists — used in template */
.qs-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--qs-space-3);
  list-style: none;
  padding: 0;
}

.qs-footer__links li {
  font-size: var(--qs-text-sm);
}

.qs-footer__links a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--qs-transition);
}

.qs-footer__links a:hover {
  color: #FFFFFF;
}

.qs-footer__links a:visited {
  color: rgba(255, 255, 255, 0.6);
}

/* Footer contact list — used in template */
.qs-footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--qs-space-3);
  list-style: none;
  padding: 0;
}

.qs-footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--qs-space-2);
  font-size: var(--qs-text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.qs-footer__contact li svg {
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.5;
}

/* Logo variants */
.qs-logo--footer .qs-logo__mark {
  background-color: var(--qs-primary);
  color: #FFFFFF;
}

.qs-logo--footer .qs-logo__text {
  color: #FFFFFF;
}

.qs-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--qs-radius-sm);
  background-color: var(--qs-primary);
  color: #FFFFFF;
  font-size: var(--qs-text-xs);
  font-weight: var(--qs-fw-bold);
}

/* Header CTA button */
.qs-header__cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  color: #FFFFFF;
  background-color: var(--qs-accent);
  border-radius: var(--qs-radius-sm);
  transition: background-color var(--qs-transition);
  white-space: nowrap;
}

.qs-header__cta:hover {
  background-color: var(--qs-accent-hover);
  color: #FFFFFF;
}

.qs-header__cta:visited {
  color: #FFFFFF;
}

/* Nav item active state */
.qs-nav__item--active .qs-nav__link {
  color: var(--qs-primary);
  font-weight: var(--qs-fw-semibold);
}

/* Case card extras */
.qs-case-card__placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  background: linear-gradient(135deg, var(--qs-primary-light) 0%, #F3F4F6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qs-primary);
  opacity: 0.5;
}

.qs-case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qs-space-1);
  margin-top: var(--qs-space-2);
}

/* Service card extras */
.qs-service-card__features {
  list-style: none;
  padding: 0;
  margin-top: var(--qs-space-3);
}

.qs-service-card__features li {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
  padding: var(--qs-space-1) 0;
}

.qs-service-card__features li::before {
  content: "✓ ";
  color: var(--qs-primary);
  font-weight: var(--qs-fw-bold);
}

.qs-service-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--qs-radius-md);
  margin-bottom: var(--qs-space-3);
}

.qs-service-card__meta {
  font-size: var(--qs-text-xs);
  color: var(--qs-text-muted);
  margin-bottom: var(--qs-space-2);
}

.qs-footer__brand-desc {
  font-size: var(--qs-text-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-top: var(--qs-space-4);
  max-width: 280px;
}

.qs-footer__heading {
  font-size: var(--qs-text-sm);
  font-weight: var(--qs-fw-semibold);
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--qs-space-5);
}

.qs-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--qs-space-3);
}

.qs-footer__link,
.qs-footer__link:visited {
  font-size: var(--qs-text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--qs-transition);
}

.qs-footer__link:hover {
  color: #FFFFFF;
}

/* Contact info in footer */
.qs-footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--qs-space-2);
  font-size: var(--qs-text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--qs-space-3);
}

.qs-footer__contact-icon {
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.5;
}

/* Social icons */
.qs-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qs-space-3);
  margin-top: var(--qs-space-5);
}

.qs-footer__social-link,
.qs-footer__social-link:visited {
  width: 36px;
  height: 36px;
  border-radius: var(--qs-radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: background-color var(--qs-transition), color var(--qs-transition);
}

.qs-footer__social-link:hover {
  background-color: var(--qs-accent);
  color: #FFFFFF;
}

/* Bottom bar */
.qs-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--qs-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--qs-space-4);
}

.qs-footer__copyright {
  font-size: var(--qs-text-xs);
  color: rgba(255, 255, 255, 0.4);
}

.qs-footer__legal {
  display: flex;
  gap: var(--qs-space-5);
}

.qs-footer__legal-link,
.qs-footer__legal-link:visited {
  font-size: var(--qs-text-xs);
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--qs-transition);
}

.qs-footer__legal-link:hover {
  color: rgba(255, 255, 255, 0.7);
}


/* --------------------------------------------------------------------------
   17. Floating Widget
   -------------------------------------------------------------------------- */
.qs-float {
  position: fixed;
  bottom: var(--qs-space-8);
  right: var(--qs-space-6);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--qs-space-3);
}

.qs-float__item {
  position: relative;
}

.qs-float__btn {
  width: 48px;
  height: 48px;
  border-radius: var(--qs-radius-full);
  background-color: var(--qs-bg);
  color: var(--qs-primary);
  box-shadow: var(--qs-shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow var(--qs-transition), transform var(--qs-transition), background-color var(--qs-transition);
  border: 1px solid var(--qs-border-light);
  cursor: pointer;
}

.qs-float__btn:hover {
  box-shadow: var(--qs-shadow-xl);
  transform: translateY(-2px);
  background-color: var(--qs-primary);
  color: #fff;
  border-color: var(--qs-primary);
}

.qs-float__btn--chat:hover {
  background: linear-gradient(135deg, #7C3AED, #6D28D9);
  border-color: transparent;
  color: #fff;
}

.qs-float__btn--phone {
  color: var(--qs-accent);
}

.qs-float__btn--phone:hover {
  background-color: var(--qs-accent);
  border-color: var(--qs-accent);
  color: #fff;
}

.qs-float__btn--top {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform var(--qs-transition);
}

.qs-float__btn--top.qs-scroll-top--visible {
  opacity: 1;
  visibility: visible;
}

.qs-float__popup {
  position: absolute;
  bottom: 0;
  right: calc(100% + var(--qs-space-3));
  background-color: var(--qs-bg);
  border: 1px solid var(--qs-border-light);
  border-radius: var(--qs-radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.04);
  padding: var(--qs-space-5);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.qs-float__popup--visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

.qs-float__popup-title {
  font-size: var(--qs-text-base);
  font-weight: var(--qs-fw-semibold);
  color: var(--qs-text);
  margin-bottom: var(--qs-space-2);
}

.qs-float__popup-desc {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-muted);
  margin-bottom: var(--qs-space-4);
  line-height: 1.5;
}

.qs-float__popup-qr {
  text-align: center;
}

.qs-float__popup-qr img {
  border-radius: var(--qs-radius-md);
  border: 1px solid var(--qs-border-light);
}

.qs-float__popup-qr-placeholder {
  width: 160px;
  height: 160px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--qs-space-2);
  background-color: var(--qs-bg-alt);
  border-radius: var(--qs-radius-md);
  color: var(--qs-text-muted);
  font-size: var(--qs-text-xs);
}


/* --------------------------------------------------------------------------
   18. Scroll Animation (Progressive — content visible by default)
   -------------------------------------------------------------------------- */
.qs-fade-up {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* JS adds this class to enable animation; without JS, content stays visible */
.qs-fade-up--init {
  opacity: 0;
  transform: translateY(20px);
}

.qs-fade-up--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .qs-fade-up,
  .qs-fade-up--init {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* --------------------------------------------------------------------------
   19. Utility Classes
   -------------------------------------------------------------------------- */

/* Text alignment */
.qs-text-center { text-align: center; }
.qs-text-left   { text-align: left; }
.qs-text-right  { text-align: right; }

/* Text colors */
.qs-text-primary   { color: var(--qs-primary); }
.qs-text-secondary { color: var(--qs-text-secondary); }
.qs-text-muted     { color: var(--qs-text-muted); }
.qs-text-white     { color: #FFFFFF; }

/* Margin-top scale */
.qs-mt-0 { margin-top: 0; }
.qs-mt-1 { margin-top: var(--qs-space-1); }
.qs-mt-2 { margin-top: var(--qs-space-2); }
.qs-mt-3 { margin-top: var(--qs-space-3); }
.qs-mt-4 { margin-top: var(--qs-space-4); }
.qs-mt-5 { margin-top: var(--qs-space-5); }
.qs-mt-6 { margin-top: var(--qs-space-6); }
.qs-mt-8 { margin-top: var(--qs-space-8); }

/* Margin-bottom scale */
.qs-mb-0 { margin-bottom: 0; }
.qs-mb-1 { margin-bottom: var(--qs-space-1); }
.qs-mb-2 { margin-bottom: var(--qs-space-2); }
.qs-mb-3 { margin-bottom: var(--qs-space-3); }
.qs-mb-4 { margin-bottom: var(--qs-space-4); }
.qs-mb-5 { margin-bottom: var(--qs-space-5); }
.qs-mb-6 { margin-bottom: var(--qs-space-6); }
.qs-mb-8 { margin-bottom: var(--qs-space-8); }

/* Display */
.qs-hidden   { display: none !important; }
.qs-sr-only  {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* --------------------------------------------------------------------------
   20. Responsive — Tablet (max-width: 992px)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  :root {
    --qs-space-20: 3.5rem;  /* 56px instead of 80px */
  }

  /* Nav — slide-in drawer from right */
  .qs-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(380px, 85vw);
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1100;
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: none;
  }

  /* Backdrop overlay via pseudo-element */
  .qs-nav::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
    z-index: -1;
  }

  .qs-nav--open {
    transform: translateX(0);
    visibility: visible;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
  }

  .qs-nav--open::before {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .qs-nav__list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: var(--qs-space-16) var(--qs-space-5) var(--qs-space-5);
  }

  .qs-nav--open .qs-nav__list {
    display: flex;
  }

  .qs-nav__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .qs-nav__item:last-child {
    border-bottom: none;
  }

  .qs-nav__link {
    font-size: var(--qs-text-lg);
    color: rgba(255, 255, 255, 0.9) !important;
    padding: var(--qs-space-4) var(--qs-space-2);
    display: block;
    text-align: left;
  }

  .qs-nav__link:hover {
    color: #fff !important;
  }

  .qs-nav__link:visited {
    color: rgba(255, 255, 255, 0.9) !important;
  }

  .qs-nav__item--active .qs-nav__link {
    color: #fff !important;
    font-weight: var(--qs-fw-bold);
    position: relative;
  }

  .qs-nav__item--active .qs-nav__link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: var(--qs-space-2);
    right: auto;
    width: 32px;
    height: 2px;
    background: var(--qs-primary);
    border-radius: 1px;
  }

  /* Mega menu in mobile: accordion style */
  .qs-nav__mega,
  .qs-nav__dropdown {
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-top: none;
    border-radius: var(--qs-radius-md);
    box-shadow: none;
    padding: var(--qs-space-3);
    margin-top: var(--qs-space-2);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.35s ease, opacity 0.3s ease;
  }

  .qs-nav__mega--visible,
  .qs-nav__dropdown.qs-nav__mega--visible {
    max-height: 800px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .qs-nav__mega-inner {
    grid-template-columns: 1fr;
  }

  .qs-nav__mega-inner::after {
    display: none;
  }

  .qs-nav__mega-link,
  .qs-nav__dropdown-item {
    color: rgba(255, 255, 255, 0.75);
  }

  .qs-nav__mega-link:hover,
  .qs-nav__dropdown-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }

  .qs-nav__mega-icon,
  .qs-nav__dropdown-icon {
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
  }

  .qs-nav__mega-title {
    color: rgba(255, 255, 255, 0.5);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  .qs-nav__mega-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
  }

  .qs-nav__mega-footer a {
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.06);
  }

  .qs-nav__mega-footer a:hover {
    color: #fff;
    background: var(--qs-primary);
  }

  .qs-nav__cta {
    display: none;
  }

  .qs-nav__toggle {
    display: flex;
    position: relative;
    z-index: 1101;
  }

  /* Hamburger animation when open */
  .qs-nav--open ~ .qs-nav__toggle span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }
  .qs-nav--open ~ .qs-nav__toggle span:nth-child(2) {
    opacity: 0;
  }
  .qs-nav--open ~ .qs-nav__toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
  }
  .qs-nav--open ~ .qs-nav__toggle {
    color: #fff;
  }

  /* Hero — stack on tablet */
  .qs-hero__inner {
    flex-direction: column;
    gap: var(--qs-space-10);
  }

  .qs-hero__content {
    flex: none;
    width: 100%;
  }

  .qs-hero__visual {
    flex: none;
    width: 100%;
    max-width: 480px;
  }

  /* Service grid — 2 columns, no featured span */
  .qs-service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-service-grid > .qs-service-card:first-child {
    grid-row: auto;
  }

  /* Case grid — 2 columns */
  .qs-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-case-grid > .qs-case-card:first-child {
    grid-column: auto;
  }

  /* Footer — 2 columns */
  .qs-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--qs-space-8);
  }

  /* Stats */
  .qs-stats__grid {
    gap: var(--qs-space-6);
  }

  /* Section header */
  .qs-section__title {
    font-size: var(--qs-text-2xl);
  }

  /* Article grid — 2 columns on tablet */
  .qs-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Team grid — 2 columns on tablet */
  .qs-team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* About intro — stack on tablet */
  .qs-about-intro {
    grid-template-columns: 1fr;
    gap: var(--qs-space-8);
  }

  /* Header CTA hidden on tablet/mobile (use mobile nav instead) */
  .qs-header__cta {
    display: none;
  }
}


/* --------------------------------------------------------------------------
   21. Responsive — Mobile (max-width: 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .qs-section {
    padding-top: var(--qs-space-12);
    padding-bottom: var(--qs-space-12);
  }

  .qs-container {
    padding-left: var(--qs-space-4);
    padding-right: var(--qs-space-4);
  }

  /* Hero */
  .qs-hero {
    padding-top: calc(var(--qs-header-h) + var(--qs-space-10));
    padding-bottom: var(--qs-space-12);
  }

  .qs-hero__title {
    font-size: 2rem; /* 32px */
  }

  .qs-hero__subtitle {
    font-size: var(--qs-text-base);
  }

  .qs-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .qs-hero__actions .qs-btn {
    text-align: center;
  }

  /* Grids — single column */
  .qs-service-grid {
    grid-template-columns: 1fr;
  }

  .qs-case-grid {
    grid-template-columns: 1fr;
  }

  /* Stats — wrap to 2x2 */
  .qs-stats__grid {
    flex-wrap: wrap;
  }

  .qs-stats__item {
    flex: 0 0 calc(50% - var(--qs-space-4));
  }

  /* Testimonials — single column */
  .qs-testimonial-grid {
    grid-template-columns: 1fr;
  }

  /* Footer — single column */
  .qs-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--qs-space-8);
  }

  .qs-footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Page header */
  .qs-page-header {
    padding-top: calc(var(--qs-header-h) + var(--qs-space-10));
    padding-bottom: var(--qs-space-8);
  }

  .qs-page-header__title {
    font-size: var(--qs-text-xl);
  }

  /* Form row stacks */
  .qs-form__row {
    grid-template-columns: 1fr;
  }

  /* Section header */
  .qs-section__header {
    margin-bottom: var(--qs-space-8);
  }

  .qs-section__title {
    font-size: var(--qs-text-xl);
  }

  .qs-section__desc {
    font-size: var(--qs-text-base);
  }

  /* CTA */
  .qs-cta__title {
    font-size: var(--qs-text-xl);
  }

  /* Article grid — single column on mobile */
  .qs-article-grid {
    grid-template-columns: 1fr;
  }

  /* Team grid — 2 columns on mobile (keep visual density) */
  .qs-team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--qs-space-4);
  }

  /* Contact grid — single column */
  .qs-contact-grid {
    grid-template-columns: 1fr;
    gap: var(--qs-space-8);
  }

  /* Article detail title smaller on mobile */
  .qs-article-detail__title {
    font-size: var(--qs-text-2xl);
  }

  /* Floating widget — slightly inset */
  .qs-float {
    bottom: var(--qs-space-5);
    right: var(--qs-space-4);
  }
}


/* --------------------------------------------------------------------------
   21b. (Scroll-to-top button now inside .qs-float widget — see §17)
   -------------------------------------------------------------------------- */


/* --------------------------------------------------------------------------
   21c. Case Card Hover Overlay
   -------------------------------------------------------------------------- */
.qs-case-card__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(26, 86, 219, 0.06) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.qs-case-card:hover .qs-case-card__image::after {
  opacity: 1;
}

/* Cover card image overlay enhancement */
.qs-cover-card__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.04) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.qs-cover-card:hover .qs-cover-card__image::after {
  opacity: 1;
}


/* --------------------------------------------------------------------------
   21d. Enhanced Testimonial Styling
   -------------------------------------------------------------------------- */
.qs-testimonial {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-left: 3px solid transparent;
}

.qs-testimonial:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(26, 86, 219, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
  border-left-color: var(--qs-primary);
}

/* Star rating for testimonials */
.qs-testimonial__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--qs-space-3);
  color: #F59E0B;
  font-size: var(--qs-text-sm);
}

.qs-testimonial__stars svg {
  filter: drop-shadow(0 1px 2px rgba(245, 158, 11, 0.3));
}

/* Testimonial avatar fallback styling */
.qs-testimonial__avatar:not(img) {
  width: 48px;
  height: 48px;
  border-radius: var(--qs-radius-full);
  background: linear-gradient(135deg, #dbeafe, #c7d9f7);
  color: var(--qs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: var(--qs-fw-bold);
  flex-shrink: 0;
  border: 2px solid rgba(26, 86, 219, 0.35);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.12), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

/* Testimonial author name & role */
.qs-testimonial__author strong {
  display: block;
  font-size: var(--qs-text-base);
  color: var(--qs-text);
}

.qs-testimonial__author span {
  font-size: var(--qs-text-sm);
  color: var(--qs-text-secondary);
  margin-top: 2px;
}


/* --------------------------------------------------------------------------
   22. Responsive — Small Mobile (max-width: 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .qs-container {
    padding-left: var(--qs-space-3);
    padding-right: var(--qs-space-3);
  }

  .qs-hero__title {
    font-size: 1.75rem; /* 28px */
  }

  .qs-stats__number {
    font-size: var(--qs-text-xl);
  }

  .qs-service-card {
    padding: var(--qs-space-5);
  }

  .qs-btn {
    padding: 10px 20px;
    font-size: var(--qs-text-sm);
  }
}


/* --------------------------------------------------------------------------
   23. Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .qs-header,
  .qs-mobile-nav,
  .qs-mobile-nav-overlay,
  .qs-float,
  .qs-scroll-top,
  .qs-cta {
    display: none !important;
  }

  body {
    color: #000;
    background: #FFF;
  }

  .qs-section {
    padding: 24px 0;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}