/* ============================================
   Me Go Tech — Premium SaaS Informational Site
   styles.css
   ============================================ */

/* --------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------- */

:root {
  /* Typography */
  --font-heading: "Space Grotesk", "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-accent: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;

  /* Base scale — html is 62.5% so 1rem = 10px */
  --text-xs: 1.2rem;
  --text-sm: 1.3rem;
  --text-base: 1.6rem;
  --text-md: 1.8rem;
  --text-lg: 2.1rem;
  --text-xl: 2.4rem;
  --text-2xl: clamp(2.6rem, 4vw, 3.6rem);
  --text-3xl: clamp(3.2rem, 5.5vw, 5.2rem);
  --text-hero: clamp(4rem, 7vw, 7.2rem);

  --leading-body: 1.6;
  --leading-heading: 1.15;
  --max-line-length: 70ch;

  /* Colours — soft, accessible palette */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fb;
  --bg-tertiary: #f1f4f8;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;

  --accent-blue: #2563eb;
  --accent-violet: #7c3aed;
  --accent-cyan: #0891b2;
  --accent-soft: #e0e7ff;
  --accent-soft-violet: #ede9fe;
  --accent-soft-cyan: #cffafe;

  --border-light: rgba(226, 232, 240, 0.9);
  --border-medium: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.09);
  --shadow-xl: 0 24px 80px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  /* Spacing scale */
  --space-1: 0.4rem;
  --space-2: 0.8rem;
  --space-3: 1.2rem;
  --space-4: 1.6rem;
  --space-5: 2rem;
  --space-6: 2.4rem;
  --space-8: 3.2rem;
  --space-10: 4rem;
  --space-12: 4.8rem;
  --space-16: 6.4rem;
  --space-20: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 2rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-index */
  --z-base: 1;
  --z-sticky: 100;
  --z-header: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-cookie: 500;
}

/* Dark mode support — respects system preference */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-tertiary: #1e293b;
    --surface: rgba(30, 41, 59, 0.72);
    --surface-solid: #1e293b;

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-muted: #64748b;

    --border-light: rgba(51, 65, 85, 0.8);
    --border-medium: #334155;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.45);
  }
}

/* --------------------------------------------
   2. Reset & Base
   -------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-violet);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Focus for header search */
.header-search:focus-visible {
  outline-offset: -2px;
}

ul,
ol {
  list-style: none;
}

/* --------------------------------------------
   3. Typography
   -------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--leading-heading);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--text-hero);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  max-width: var(--max-line-length);
  color: var(--text-secondary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  background: var(--accent-soft);
  padding: var(--space-2) var(--space-4);
  border-radius: 9999px;
  margin-bottom: var(--space-5);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-tertiary);
  max-width: 64ch;
  margin-top: var(--space-4);
}

/* --------------------------------------------
   4. Layout Containers
   -------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  position: relative;
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-20);
  }
}

/* --------------------------------------------
   5. Header
   -------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: 7.2rem;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(11, 15, 25, 0.82);
  }
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  width: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  flex-shrink: 0;
}

.logo-mark {
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  color: #ffffff;
  font-weight: 700;
  font-size: var(--text-md);
}

.logo-img {
  width: 3.6rem;
  height: 3.6rem;
  object-fit: contain;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 1024px) {
  .header-nav {
    display: flex;
  }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 4.4rem;
  padding-inline: var(--space-4);
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--accent-blue);
  background: var(--accent-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-search {
  display: none;
  width: 22rem;
  height: 4.4rem;
  padding-inline: var(--space-5);
  padding-left: 4rem;
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.4rem center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.header-search::placeholder {
  color: var(--text-muted);
}

.header-search:focus {
  border-color: var(--accent-blue);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

@media (min-width: 1024px) {
  .header-search {
    display: block;
  }
}

.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.4rem;
  height: 4.4rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu {
  position: fixed;
  inset: 7.2rem 0 auto 0;
  z-index: var(--z-overlay);
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6) var(--container-padding);
  background: var(--surface-solid);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-menu .nav-link {
  width: 100%;
  min-height: 4.8rem;
  padding-inline: var(--space-5);
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

.mobile-menu .header-search {
  display: block;
  width: 100%;
  margin-top: var(--space-3);
}

/* --------------------------------------------
   6. Hero
   -------------------------------------------- */

.hero {
  position: relative;
  padding-top: 14rem;
  padding-bottom: var(--space-20);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(var(--border-medium) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-medium) 1px, transparent 1px);
  background-size: 6rem 6rem;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  width: 80rem;
  height: 60rem;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14) 0%, rgba(124, 58, 237, 0.08) 40%, transparent 70%);
  filter: blur(80px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-violet);
  background: var(--accent-soft-violet);
  border-radius: 9999px;
  margin-bottom: var(--space-6);
}

.hero h1 {
  max-width: 16ch;
  margin-inline: auto;
}

.hero p {
  font-size: var(--text-lg);
  color: var(--text-tertiary);
  max-width: 58ch;
  margin-inline: auto;
  margin-top: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 96rem;
  margin-top: var(--space-16);
  margin-inline: auto;
}

.hero-card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.4), rgba(124, 58, 237, 0.2), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-dots {
  display: flex;
  gap: var(--space-2);
}

.hero-dots span {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--border-medium);
}

.hero-dots span:nth-child(1) { background: #ef4444; }
.hero-dots span:nth-child(2) { background: #f59e0b; }
.hero-dots span:nth-child(3) { background: #22c55e; }

.hero-window-title {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-tertiary);
}

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

@media (min-width: 768px) {
  .hero-card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero-mini-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hero-mini-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.hero-mini-icon {
  width: 4rem;
  height: 4rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-blue);
}

.hero-mini-card h4 {
  font-size: var(--text-base);
  font-weight: 600;
}

.hero-mini-card p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: 0;
}

/* --------------------------------------------
   7. Buttons
   -------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4.8rem;
  padding-inline: var(--space-8);
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-fast), border-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.28);
}

.btn-secondary {
  color: var(--text-primary);
  background: var(--bg-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-sm {
  min-height: 4rem;
  padding-inline: var(--space-5);
}

/* --------------------------------------------
   8. Cards & Grids
   -------------------------------------------- */

.card-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.card-grid.cols-2 {
  grid-template-columns: 1fr;
}

.card-grid.cols-3 {
  grid-template-columns: 1fr;
}

.card-grid.cols-4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .card-grid.cols-2,
  .card-grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.glass-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), transparent 45%, rgba(8, 145, 178, 0.15));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(37, 99, 235, 0.3);
}

.card-icon {
  width: 4.8rem;
  height: 4.8rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-soft-violet));
  color: var(--accent-blue);
  flex-shrink: 0;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 600;
}

.card-text {
  font-size: var(--text-base);
  color: var(--text-tertiary);
  margin: 0;
}

/* --------------------------------------------
   9. Sections
   -------------------------------------------- */

.section-header {
  max-width: 72ch;
  margin-bottom: var(--space-10);
}

.section-header.center {
  text-align: center;
  margin-inline: auto;
}

.section-header.center .section-subtitle {
  margin-inline: auto;
}

.disclaimer-box {
  padding: var(--space-6);
  background: var(--accent-soft);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-lg);
}

.disclaimer-box p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin: 0;
}

/* Overview / content */
.overview-grid {
  display: grid;
  gap: var(--space-10);
  align-items: start;
}

@media (min-width: 1024px) {
  .overview-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.overview-toc {
  position: sticky;
  top: 9.6rem;
  padding: var(--space-6);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
}

.overview-toc h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toc-list a {
  display: flex;
  align-items: center;
  min-height: 4.4rem;
  padding-inline: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.toc-list a:hover {
  background: var(--bg-tertiary);
  color: var(--accent-blue);
}

.overview-body h2 {
  margin-bottom: var(--space-5);
}

.overview-body p {
  margin-bottom: var(--space-5);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 80ch;
  margin-inline: auto;
  margin-top: var(--space-10);
}

.faq-item {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 5.6rem;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  color: var(--text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.faq-icon {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--accent-blue);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-slow);
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer-inner p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--text-tertiary);
  margin: 0;
}

/* Trust section */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-tertiary);
}

.trust-item svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* Contact preview */
.contact-preview-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

@media (min-width: 768px) {
  .contact-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-preview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-card h4 {
  font-size: var(--text-base);
  font-weight: 600;
}

.contact-card p,
.contact-card a {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  word-break: break-word;
}

.contact-card a:hover {
  color: var(--accent-blue);
}

/* --------------------------------------------
   10. Footer
   -------------------------------------------- */

.site-footer {
  padding-block: var(--space-16) var(--space-10);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  gap: var(--space-10);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-4);
}

.footer-links h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.footer-links a:hover {
  color: var(--accent-blue);
}

.footer-disclaimer {
  grid-column: 1 / -1;
  padding: var(--space-6);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.footer-disclaimer p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin: 0;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-light);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--accent-blue);
}

/* --------------------------------------------
   11. Cookie Banner
   -------------------------------------------- */

.cookie-banner {
  position: fixed;
  inset: auto var(--space-5) var(--space-5) var(--space-5);
  z-index: var(--z-cookie);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.cookie-banner.is-visible {
  display: flex;
}

@media (max-width: 640px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
  }
}

.cookie-banner p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.cookie-banner a {
  color: var(--accent-blue);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* --------------------------------------------
   12. Utility classes
   -------------------------------------------- */

.bg-secondary {
  background-color: var(--bg-secondary);
}

.bg-tertiary {
  background-color: var(--bg-tertiary);
}

.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;
}

.hidden {
  display: none !important;
}

.no-results {
  text-align: center;
  padding: var(--space-10);
  color: var(--text-tertiary);
  font-size: var(--text-base);
}

/* --------------------------------------------
   13. Animations
   -------------------------------------------- */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float 6s ease-in-out 2s infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------
   14. Page-specific: About / Privacy / Terms
   -------------------------------------------- */

.content-page .section {
  padding-top: 12rem;
}

.content-block {
  max-width: 78ch;
  margin-inline: auto;
}

.content-block h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-5);
}

.content-block h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.content-block p,
.content-block ul,
.content-block ol {
  margin-bottom: var(--space-5);
  color: var(--text-secondary);
}

.content-block ul,
.content-block ol {
  padding-left: var(--space-6);
}

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

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

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

.content-block a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --------------------------------------------
   15. Contact page
   -------------------------------------------- */

.contact-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  min-height: 4.8rem;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}

.form-group textarea {
  min-height: 14rem;
  resize: vertical;
}

.form-status {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.success {
  background: #dcfce7;
  color: #166534;
}

.form-status.error {
  background: #fee2e2;
  color: #991b1b;
}

@media (prefers-color-scheme: dark) {
  .form-status.success {
    background: rgba(22, 101, 52, 0.2);
    color: #86efac;
  }

  .form-status.error {
    background: rgba(153, 27, 27, 0.2);
    color: #fca5a5;
  }
}

/* --------------------------------------------
   16. Accessibility & reduced motion
   -------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------
   17. Print styles
   -------------------------------------------- */

@media print {
  .site-header,
  .cookie-banner,
  .mobile-menu-toggle,
  .hero-bg {
    display: none !important;
  }

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

  a {
    color: #000;
  }
}