/* ChangeThisFile — Layout & Glass Components */

/* ——— Reset ——— */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  line-height: var(--leading-normal);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ——— Animated Mesh Gradient Background ——— */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--color-bg-start);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(124, 58, 237, 0.35) 0%, transparent 70%),
    radial-gradient(ellipse 70% 50% at 70% 20%, rgba(59, 130, 246, 0.30) 0%, transparent 70%),
    radial-gradient(ellipse 60% 70% at 50% 80%, rgba(20, 184, 166, 0.25) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  animation: meshShift 20s ease-in-out infinite alternate;
}

@keyframes meshShift {
  0% {
    background:
      radial-gradient(ellipse 80% 60% at 20% 30%, rgba(124, 58, 237, 0.35) 0%, transparent 70%),
      radial-gradient(ellipse 70% 50% at 70% 20%, rgba(59, 130, 246, 0.30) 0%, transparent 70%),
      radial-gradient(ellipse 60% 70% at 50% 80%, rgba(20, 184, 166, 0.25) 0%, transparent 70%),
      radial-gradient(ellipse 50% 40% at 80% 60%, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  }
  33% {
    background:
      radial-gradient(ellipse 70% 70% at 40% 50%, rgba(124, 58, 237, 0.30) 0%, transparent 70%),
      radial-gradient(ellipse 80% 50% at 60% 30%, rgba(59, 130, 246, 0.35) 0%, transparent 70%),
      radial-gradient(ellipse 50% 60% at 30% 70%, rgba(20, 184, 166, 0.28) 0%, transparent 70%),
      radial-gradient(ellipse 60% 50% at 70% 80%, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
  }
  66% {
    background:
      radial-gradient(ellipse 60% 80% at 60% 40%, rgba(124, 58, 237, 0.28) 0%, transparent 70%),
      radial-gradient(ellipse 75% 55% at 30% 50%, rgba(59, 130, 246, 0.32) 0%, transparent 70%),
      radial-gradient(ellipse 70% 50% at 70% 60%, rgba(20, 184, 166, 0.30) 0%, transparent 70%),
      radial-gradient(ellipse 55% 45% at 40% 20%, rgba(124, 58, 237, 0.20) 0%, transparent 70%);
  }
  100% {
    background:
      radial-gradient(ellipse 75% 65% at 50% 60%, rgba(124, 58, 237, 0.32) 0%, transparent 70%),
      radial-gradient(ellipse 65% 60% at 40% 40%, rgba(59, 130, 246, 0.28) 0%, transparent 70%),
      radial-gradient(ellipse 80% 55% at 60% 50%, rgba(20, 184, 166, 0.32) 0%, transparent 70%),
      radial-gradient(ellipse 50% 50% at 20% 70%, rgba(124, 58, 237, 0.22) 0%, transparent 70%);
  }
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button { cursor: pointer; }

/* ——— Container ——— */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ——— Glass Card ——— */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.20), transparent);
  pointer-events: none;
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-hover), var(--glass-inset-strong);
  transform: translateY(-2px);
}

.glass-card--elevated {
  background: var(--glass-bg-elevated);
  box-shadow: var(--glass-shadow-elevated), var(--glass-inset-strong);
}

.glass-card--static:hover {
  transform: none;
}

/* ——— Navbar ——— */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-base);
}

.nav::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, rgba(255,255,255,0.10) 50%, transparent 95%);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  text-shadow: var(--text-shadow);
  letter-spacing: var(--tracking-tight);
  text-decoration: none;
}

.nav__logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-accent), #8b5cf6);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.30);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: var(--transition-fast);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav__cta {
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  transition: var(--transition-fast);
  box-shadow: 0 2px 12px var(--color-accent-glow);
  text-decoration: none;
}

.nav__cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-accent-glow);
  transform: translateY(-1px);
}

/* ——— Main Content ——— */
main {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

/* ——— Section ——— */
.section {
  padding: var(--space-16) 0;
}

.section--hero {
  padding: var(--space-12) 0 var(--space-8);
  text-align: center;
}

/* ——— Headings ——— */
.heading-xl {
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-shadow: var(--text-shadow);
}

.heading-lg {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-shadow: var(--text-shadow);
}

.heading-md {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
}

.subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  font-weight: var(--weight-normal);
  line-height: var(--leading-relaxed);
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 6px 24px var(--color-accent-glow);
  transform: translateY(-2px);
}

.btn--glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}

.btn--glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
}

.btn--success {
  background: var(--color-success);
  color: #fff;
  box-shadow: 0 4px 16px var(--color-success-glow);
}

.btn--success:hover {
  box-shadow: 0 6px 24px var(--color-success-glow);
  transform: translateY(-2px);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

/* ——— Trust Badges ——— */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  box-shadow: var(--glass-shadow);
}

.trust-badge__icon {
  font-size: var(--text-base);
  line-height: 1;
}

/* ——— Format Chip ——— */
.format-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: var(--transition-fast);
}

.format-chip:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}

.format-chip--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ——— Grid ——— */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }

/* ——— Category Card ——— */
.category-card {
  padding: var(--space-6);
  text-align: center;
  text-decoration: none;
  color: var(--text-primary);
}

.category-card__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-3);
  display: block;
}

.category-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.category-card__count {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.6;
}

.category-card__count a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}

.category-card__count a:hover {
  color: var(--accent-purple);
  text-decoration: underline;
}

/* ——— Conversion Card ——— */
.conversion-card {
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-primary);
}

.conversion-card__formats {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
}

.conversion-card__arrow {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

.conversion-card__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ——— Footer ——— */
.footer {
  background: var(--glass-bg-solid);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-12) 0;
  margin-top: var(--space-16);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--leading-relaxed);
}

.footer__column {
  min-width: 140px;
}

.footer__column-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.footer__column-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__column-links a {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: var(--transition-fast);
}

.footer__column-links a:hover {
  color: var(--text-primary);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--glass-border);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* ——— Animations ——— */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}

.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-out) both;
}

.delay-1 { animation-delay: 100ms; }
.delay-2 { animation-delay: 200ms; }
.delay-3 { animation-delay: 300ms; }
.delay-4 { animation-delay: 400ms; }
.delay-5 { animation-delay: 500ms; }

/* ——— Scrollbar ——— */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ——— Utility ——— */
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* ——— Responsive ——— */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(3, 1fr); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .heading-xl {
    font-size: var(--text-4xl);
  }

  .heading-lg {
    font-size: var(--text-2xl);
  }

  .subtitle {
    font-size: var(--text-lg);
  }

  .section {
    padding: var(--space-10) 0;
  }

  .section--hero {
    padding: var(--space-8) 0 var(--space-6);
  }

  .grid--2 { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer__brand {
    max-width: 100%;
  }

  .nav__links {
    display: none;
  }

  .trust-badges {
    gap: var(--space-2);
  }
}

@media (max-width: 480px) {
  .heading-xl {
    font-size: var(--text-3xl);
  }

  .grid--3 { grid-template-columns: 1fr; }
  .grid--6 { grid-template-columns: repeat(2, 1fr); }

  .btn--lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
  }
}