/* =============================================================================
   CORPORATE-PRO — A world-class CMS theme
   Polished, exclusive UI inspired by Apple, Stripe, Linear, Vercel, Notion.
   -----------------------------------------------------------------------------
   TABLE OF CONTENTS
   01. Font import
   02. Design tokens (CSS custom properties)
   03. Dark mode tokens
   04. Reset & base
   05. Typography & prose
   06. Layout (page, container, sections)
   07. Buttons
   08. Badges
   09. Breadcrumb
   10. Site header (sticky glass)
   11. Primary nav + dropdowns
   12. Mobile nav
   13. Hero section
   14. Feature cards
   15. Stats
   16. Testimonials
   17. CTA sections
   18. Footer
   19. Back-to-top
   20. Search overlay
   21. Cookie banner
   22. Utilities & motion
   23. Responsive breakpoints
   24. Reduced motion
============================================================================= */

/* 01. FONT IMPORT --------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* 02. DESIGN TOKENS ------------------------------------------------------- */
:root {
  /* Brand color stops */
  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;

  /* Semantic colors — light mode */
  --color-bg: #ffffff;
  --color-bg-subtle: #fafafe;
  --color-bg-elevated: #ffffff;
  --color-surface: #f6f7fb;
  --color-text: #0a0a14;
  --color-text-muted: #5b5b6b;
  --color-text-faint: #8c8c9c;
  --color-border: rgba(10, 10, 20, 0.08);
  --color-border-strong: rgba(10, 10, 20, 0.14);
  --color-primary: var(--indigo-500);
  --color-primary-hover: var(--indigo-600);
  --color-on-primary: #ffffff;

  /* Brand gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-primary-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
  --gradient-hero: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(99, 102, 241, 0.18) 0%, rgba(139, 92, 246, 0.08) 40%, transparent 70%);
  --gradient-mesh:
    radial-gradient(at 18% 12%, rgba(99, 102, 241, 0.16) 0px, transparent 50%),
    radial-gradient(at 82% 8%, rgba(139, 92, 246, 0.14) 0px, transparent 50%),
    radial-gradient(at 50% 95%, rgba(79, 70, 229, 0.10) 0px, transparent 50%);
  --gradient-text: linear-gradient(120deg, #4f46e5 0%, #8b5cf6 60%, #6366f1 100%);

  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: 1px solid rgba(255, 255, 255, 0.3);
  --glass-blur: blur(20px) saturate(180%);

  /* Shadow system (5 levels) + colored glow */
  --shadow-xs: 0 1px 2px rgba(10, 10, 20, 0.05);
  --shadow-sm: 0 1px 3px rgba(10, 10, 20, 0.08), 0 1px 2px rgba(10, 10, 20, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 10, 20, 0.08), 0 2px 4px rgba(10, 10, 20, 0.04);
  --shadow-lg: 0 12px 28px rgba(10, 10, 20, 0.12), 0 4px 8px rgba(10, 10, 20, 0.06);
  --shadow-xl: 0 24px 56px rgba(10, 10, 20, 0.16), 0 8px 16px rgba(10, 10, 20, 0.08);
  --shadow-2xl: 0 40px 96px rgba(10, 10, 20, 0.22), 0 16px 32px rgba(10, 10, 20, 0.10);
  --shadow-glow: 0 8px 40px rgba(99, 102, 241, 0.35), 0 2px 12px rgba(139, 92, 246, 0.25);

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl: 36px;
  --radius-full: 999px;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --text-display: clamp(2.5rem, 6vw, 5.5rem);
  --text-h1: clamp(2rem, 4.5vw, 3.5rem);
  --text-h2: clamp(1.6rem, 3vw, 2.5rem);
  --text-h3: clamp(1.3rem, 2vw, 1.75rem);
  --text-body: 1.0625rem;
  --text-sm: 0.9375rem;
  --text-xs: 0.8125rem;
  --leading-tight: 1.04;
  --leading-snug: 1.25;
  --leading-body: 1.7;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 760px;
  --header-height: 72px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 0.16s;
  --dur: 0.28s;
  --dur-slow: 0.5s;

  --z-header: 100;
  --z-dropdown: 110;
  --z-mobile-nav: 200;
  --z-overlay: 300;
  --z-toast: 400;

  color-scheme: light;
}

/* 03. DARK MODE TOKENS ---------------------------------------------------- */
[data-theme="dark"] {
  --color-bg: #070711;
  --color-bg-subtle: #0b0b18;
  --color-bg-elevated: #11111f;
  --color-surface: #14142a;
  --color-text: #f2f2f7;
  --color-text-muted: #a3a3b5;
  --color-text-faint: #6e6e82;
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --color-primary: var(--indigo-400);
  --color-primary-hover: var(--indigo-500);

  --gradient-primary-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.22) 0%, rgba(139, 92, 246, 0.22) 100%);
  --gradient-hero: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(99, 102, 241, 0.28) 0%, rgba(139, 92, 246, 0.12) 40%, transparent 70%);
  --gradient-text: linear-gradient(120deg, #a5b4fc 0%, #c4b5fd 60%, #818cf8 100%);

  --glass-bg: rgba(15, 15, 30, 0.72);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.55), 0 4px 8px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.6), 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 40px 96px rgba(0, 0, 0, 0.7), 0 16px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 8px 50px rgba(99, 102, 241, 0.5), 0 2px 16px rgba(139, 92, 246, 0.4);

  color-scheme: dark;
}

/* 04. RESET & BASE -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: var(--gradient-mesh);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color var(--dur-fast) var(--ease-out); }
a:hover { color: var(--color-primary-hover); }

button, input, textarea, select { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

::selection { background: rgba(99, 102, 241, 0.25); }

/* 05. TYPOGRAPHY & PROSE -------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: var(--leading-snug);
  letter-spacing: -0.022em;
  color: var(--color-text);
}

.display {
  font-size: var(--text-display);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: -0.035em;
}

h1, .h1 { font-size: var(--text-h1); line-height: var(--leading-tight); letter-spacing: -0.03em; }
h2, .h2 { font-size: var(--text-h2); }
h3, .h3 { font-size: var(--text-h3); }

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.lead {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  font-weight: 400;
}

.prose { max-width: var(--container-narrow); }
.prose > * + * { margin-top: 1.5em; }
.prose h2 { margin-top: 2em; }
.prose h3 { margin-top: 1.6em; }
.prose p, .prose li { color: var(--color-text-muted); }
.prose strong { color: var(--color-text); font-weight: 600; }
.prose a { font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1.5px; text-decoration-color: rgba(99, 102, 241, 0.4); }
.prose a:hover { text-decoration-color: var(--color-primary); }
.prose ul, .prose ol { padding-left: 1.5rem; }
.prose li + li { margin-top: 0.5em; }
.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 0.5rem 0 0.5rem 1.5rem;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text);
}
.prose code {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.875em;
  background: var(--color-surface);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border);
}
.prose pre {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
.prose pre code { background: none; border: none; padding: 0; }
.prose img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.prose hr { border: none; border-top: 1px solid var(--color-border); margin: 3rem 0; }

/* 06. LAYOUT -------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--space-9); }
.section--tight { padding-block: var(--space-8); }

.page { min-height: 100vh; display: flex; flex-direction: column; }
.page__main { flex: 1; padding-top: var(--header-height); }

.section-head { max-width: 640px; margin: 0 auto var(--space-7); text-align: center; }
.section-head .eyebrow { margin-bottom: var(--space-3); }
.section-head h2 { margin-bottom: var(--space-4); }
.section-head p { color: var(--color-text-muted); font-size: 1.125rem; }

.grid { display: grid; gap: var(--space-5); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* 07. BUTTONS ------------------------------------------------------------- */
.btn {
  --btn-bg: var(--color-surface);
  --btn-fg: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease-spring),
              box-shadow var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              filter var(--dur) var(--ease-out);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn--primary {
  --btn-fg: var(--color-on-primary);
  background: var(--gradient-primary);
  background-size: 160% 160%;
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  background-position: 100% 0;
  box-shadow: var(--shadow-glow);
}

.btn--secondary {
  --btn-bg: transparent;
  border-color: var(--color-border-strong);
}
.btn--secondary:hover { border-color: var(--color-primary); background: var(--gradient-primary-soft); }

.btn--ghost { --btn-bg: transparent; }
.btn--ghost:hover { background: var(--color-surface); }

.btn--lg { padding: 1rem 2rem; font-size: var(--text-body); }
.btn--sm { padding: 0.5rem 1rem; font-size: var(--text-xs); }

.btn svg { width: 1.1em; height: 1.1em; transition: transform var(--dur) var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }

/* 08. BADGES -------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  background: var(--gradient-primary-soft);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.badge--dot::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  animation: pulse 2s var(--ease-out) infinite;
}
.badge--neutral { background: var(--color-surface); color: var(--color-text-muted); }

/* 09. BREADCRUMB ---------------------------------------------------------- */
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-faint); padding-block: var(--space-4); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); list-style: none; }
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--color-text-faint); opacity: 0.5; }
.breadcrumb [aria-current="page"] { color: var(--color-text); font-weight: 500; }

/* 10. SITE HEADER (sticky glass) ------------------------------------------ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: var(--color-bg, #ffffff);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--dur) var(--ease-out),
              backdrop-filter var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out);
}
.site-header.scrolled {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.site-header__logo .mark {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
  transition: transform var(--dur) var(--ease-spring);
}
.site-header__logo:hover .mark { transform: rotate(-8deg) scale(1.08); }
.site-header__actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle,
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  cursor: pointer;
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease-out);
}
.theme-toggle:hover { transform: rotate(20deg); box-shadow: var(--shadow-sm); }
.icon-btn:hover { box-shadow: var(--shadow-sm); }

/* 11. PRIMARY NAV + DROPDOWNS --------------------------------------------- */
.primary-nav { display: flex; align-items: center; gap: var(--space-2); }
.primary-nav > li { position: relative; list-style: none; }
.primary-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.primary-nav__link:hover { color: var(--color-text); background: var(--color-surface); }
.primary-nav__link[aria-expanded] svg { transition: transform var(--dur) var(--ease-out); }
.primary-nav__link[aria-expanded="true"] svg { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  z-index: var(--z-dropdown);
  min-width: 280px;
  padding: var(--space-3);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px) scale(0.97);
  transform-origin: top center;
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-spring),
              visibility var(--dur);
}
.primary-nav > li:hover > .dropdown,
.primary-nav > li:focus-within > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}
.dropdown__item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease-out);
}
.dropdown__item:hover { background: var(--gradient-primary-soft); }
.dropdown__item .icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary-soft);
  color: var(--color-primary);
}
.dropdown__item .title { font-weight: 600; font-size: var(--text-sm); color: var(--color-text); }
.dropdown__item .desc { font-size: var(--text-xs); color: var(--color-text-faint); line-height: 1.45; }

/* 12. MOBILE NAV ---------------------------------------------------------- */
.mobile-nav-toggle { display: none; }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile-nav);
  padding: calc(var(--header-height) + var(--space-5)) var(--space-5) var(--space-6);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility var(--dur);
}
.mobile-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-nav a {
  padding: var(--space-4);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease-out);
}
.mobile-nav a:hover { background: var(--color-surface); }

/* 13. HERO ---------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-8), 12vw, var(--space-10));
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
  z-index: -1;
}
.hero__inner { max-width: 880px; margin-inline: auto; }
.hero .badge { margin-bottom: var(--space-5); animation: fade-up 0.7s var(--ease-out) both; }
.hero__title {
  font-size: var(--text-display);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-5);
  animation: fade-up 0.7s var(--ease-out) 0.05s both;
}
.hero__subtitle {
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto var(--space-6);
  animation: fade-up 0.7s var(--ease-out) 0.12s both;
}
.hero__actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; animation: fade-up 0.7s var(--ease-out) 0.18s both; }
.hero__visual {
  margin-top: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  animation: fade-up 0.9s var(--ease-out) 0.25s both;
}

/* 14. FEATURE CARDS ------------------------------------------------------- */
.feature-card {
  position: relative;
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
}
.feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.feature-card:hover::after { opacity: 1; }
.feature-card__icon {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  margin-bottom: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--gradient-primary-soft);
  color: var(--color-primary);
  transition: transform var(--dur) var(--ease-spring);
}
.feature-card:hover .feature-card__icon { transform: scale(1.1) rotate(-4deg); }
.feature-card h3 { font-size: 1.25rem; margin-bottom: var(--space-3); }
.feature-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* 15. STATS --------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); text-align: center; }
.stat {
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  transition: background var(--dur) var(--ease-out);
}
.stat:hover { background: var(--gradient-primary-soft); }
.stat__value {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__label { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 500; }

/* 16. TESTIMONIALS -------------------------------------------------------- */
.testimonial {
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial__quote { font-size: 1.125rem; line-height: 1.6; color: var(--color-text); margin-bottom: var(--space-5); }
.testimonial__quote::before { content: "\201C"; display: block; font-size: 3rem; line-height: 0.5; color: var(--color-primary); opacity: 0.4; margin-bottom: var(--space-3); }
.testimonial__author { display: flex; align-items: center; gap: var(--space-3); }
.testimonial__avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; background: var(--gradient-primary); }
.testimonial__name { font-weight: 600; font-size: var(--text-sm); }
.testimonial__role { font-size: var(--text-xs); color: var(--color-text-faint); }

/* 17. CTA SECTIONS -------------------------------------------------------- */
.cta {
  position: relative;
  text-align: center;
  padding: clamp(var(--space-7), 8vw, var(--space-9)) var(--space-5);
  border-radius: var(--radius-2xl);
  background: var(--gradient-primary);
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}
.cta::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.25), transparent 40%),
              radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.15), transparent 45%);
  animation: drift 16s linear infinite;
  pointer-events: none;
}
.cta__inner { position: relative; max-width: 640px; margin-inline: auto; }
.cta h2 { color: #fff; margin-bottom: var(--space-4); }
.cta p { color: rgba(255, 255, 255, 0.85); font-size: 1.125rem; margin-bottom: var(--space-6); }
.cta .btn--primary {
  background: #fff;
  --btn-fg: var(--indigo-600);
}
.cta .btn--primary:hover { box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25); }

/* 18. FOOTER -------------------------------------------------------------- */
.site-footer {
  margin-top: var(--space-9);
  padding-block: var(--space-8) var(--space-6);
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}
.site-footer__brand .site-header__logo { margin-bottom: var(--space-4); }
.site-footer__brand p { color: var(--color-text-muted); font-size: var(--text-sm); max-width: 280px; }
.site-footer__col h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.site-footer__col a { display: block; padding-block: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.site-footer__col a:hover { color: var(--color-text); transform: translateX(3px); }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}
.site-footer__social { display: flex; gap: var(--space-3); }
.site-footer__social a {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: transform var(--dur) var(--ease-spring), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.site-footer__social a:hover { transform: translateY(-3px); color: var(--color-primary); border-color: var(--color-primary); }

/* 19. BACK-TO-TOP --------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-toast);
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-spring), visibility var(--dur);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.back-to-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); color: var(--color-primary); }

/* 20. SEARCH OVERLAY ------------------------------------------------------ */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  justify-content: center;
  padding-top: 15vh;
  background: rgba(10, 10, 20, 0.4);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease-out), visibility var(--dur);
}
.search-overlay.open { opacity: 1; visibility: visible; }
.search-overlay__panel {
  width: min(620px, 92vw);
  height: fit-content;
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  transform: translateY(-16px) scale(0.97);
  transition: transform var(--dur) var(--ease-spring);
}
.search-overlay.open .search-overlay__panel { transform: translateY(0) scale(1); }
.search-overlay__input {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.search-overlay__input svg { color: var(--color-text-faint); flex-shrink: 0; }
.search-overlay__input input {
  flex: 1;
  border: none;
  background: none;
  font-size: 1.25rem;
  outline: none;
}
.search-overlay__input kbd {
  font-size: var(--text-xs);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-faint);
}
.search-overlay__results { max-height: 50vh; overflow-y: auto; padding: var(--space-3); }
.search-overlay__results a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 500;
  transition: background var(--dur-fast) var(--ease-out);
}
.search-overlay__results a:hover { background: var(--gradient-primary-soft); }

/* 21. COOKIE BANNER ------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: var(--space-5);
  left: var(--space-5);
  z-index: var(--z-toast);
  width: min(420px, calc(100vw - 2 * var(--space-5)));
  padding: var(--space-5);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateY(calc(100% + var(--space-6)));
  transition: transform var(--dur-slow) var(--ease-spring);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.cookie-banner__actions { display: flex; gap: var(--space-3); }

/* 22. UTILITIES & MOTION -------------------------------------------------- */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
}
.text-center { text-align: center; }
.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;
}
.no-scroll { overflow: hidden; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.in-view { opacity: 1; transform: none; }

@keyframes fade-up { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); } 50% { box-shadow: 0 0 0 6px rgba(99, 102, 241, 0); } }
@keyframes drift { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* 23. RESPONSIVE BREAKPOINTS ---------------------------------------------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .primary-nav,
  .site-header__actions .btn { display: none; }
  .mobile-nav-toggle {
    display: grid; place-items: center;
    width: 42px; height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-elevated);
    cursor: pointer;
  }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-8); }
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .cookie-banner { left: var(--space-4); right: var(--space-4); width: auto; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
}

/* 24. REDUCED MOTION ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}