/* === Modern Design System === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #18181b;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: #2563eb;
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #1d4ed8;
}

/* === Top Navigation === */
.top-nav {
  background: #ffffff;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #f0f0f0;
}

.top-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #18181b;
}

.top-nav-brand:hover {
  text-decoration: none;
}

.top-nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.top-nav-brand span {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.top-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.top-nav-links a {
  color: #71717a;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

.top-nav-links a:hover {
  background: #f4f4f5;
  color: #18181b;
  text-decoration: none;
}

.top-nav-links a.active {
  background: #f4f4f5;
  color: #18181b;
  text-decoration: none;
}

/* === Hero Section === */
.hero {
  background: #fafafa;
  color: #18181b;
  padding: 80px 40px 72px;
  text-align: center;
  border-bottom: 1px solid #f0f0f0;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: #09090b;
}

.hero .subtitle {
  font-size: 1.1rem;
  color: #52525b;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 400;
}

/* === Container === */
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px 40px;
}

/* === Section === */
.section {
  margin-bottom: 72px;
}

.section:last-child {
  margin-bottom: 0;
}

.section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #09090b;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  padding-bottom: 0;
  border-bottom: none;
}

.section > p {
  color: #52525b;
  font-size: 0.95rem;
  line-height: 1.7;
}

.section ul,
.section ol {
  padding-left: 20px;
  margin-top: 12px;
}

.section li {
  color: #52525b;
  font-size: 0.95rem;
  margin-bottom: 8px;
  line-height: 1.65;
}

/* === Feature Grid === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.feature-card {
  background: #fafafa;
  border-radius: 12px;
  padding: 28px;
  border: 1px solid #f0f0f0;
  transition: border-color 0.15s ease;
}

.feature-card:hover {
  border-color: #e4e4e7;
}

.feature-card .icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #ffffff;
  border-radius: 10px;
  border: 1px solid #f0f0f0;
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #18181b;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: #71717a;
  font-size: 0.88rem;
  line-height: 1.6;
}

/* === Steps (How It Works) === */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
  counter-reset: step;
}

.step {
  background: #fafafa;
  border-radius: 12px;
  padding: 24px 20px;
  border: 1px solid #f0f0f0;
  position: relative;
  counter-increment: step;
  transition: border-color 0.15s ease;
}

.step:hover {
  border-color: #e4e4e7;
}

.step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #18181b;
  color: #fff;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.step h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #18181b;
  margin-bottom: 6px;
}

.step p {
  color: #71717a;
  font-size: 0.84rem;
  line-height: 1.55;
}

/* === Doc Links === */
.doc-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.doc-link {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  padding: 20px 24px;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  background: #fafafa;
  transition: border-color 0.15s ease;
}

.doc-link:hover {
  border-color: #e4e4e7;
  text-decoration: none;
}

.doc-link .doc-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #f0f0f0;
}

.doc-link strong {
  display: block;
  font-size: 0.9rem;
  color: #18181b;
  margin-bottom: 2px;
  font-weight: 600;
}

.doc-link p {
  font-size: 0.82rem;
  color: #71717a;
  margin: 0;
  line-height: 1.5;
}

/* === Contact Bar (Footer) === */
.contact-bar {
  background: #fafafa;
  color: #71717a;
  text-align: center;
  padding: 40px;
  font-size: 0.85rem;
  border-top: 1px solid #f0f0f0;
}

.contact-bar a {
  color: #2563eb;
}

.contact-bar .contact-email {
  font-size: 0.95rem;
  color: #18181b;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

/* === Legal Page Layout === */
.legal-page {
  background: #fff;
  max-width: 780px;
  margin: 0 auto;
  padding: 56px 48px 64px;
}

.legal-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f0f0f0;
}

.legal-page h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #09090b;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.legal-page .last-updated {
  color: #a1a1aa;
  font-size: 0.85rem;
  display: block;
}

/* Table of Contents */
.legal-toc {
  background: #fafafa;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 40px;
}

.legal-toc-title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #a1a1aa;
  margin-bottom: 14px;
}

.legal-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 24px;
}

.legal-toc li {
  margin-bottom: 6px;
  break-inside: avoid;
}

.legal-toc a {
  color: #52525b;
  font-size: 0.87rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}

.legal-toc a:hover {
  color: #2563eb;
  text-decoration: none;
}

/* Legal Sections */
.legal-section {
  margin-bottom: 36px;
  scroll-margin-top: 80px;
}

.legal-page h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #09090b;
  margin-top: 0;
  margin-bottom: 14px;
  padding-bottom: 0;
  border-bottom: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.legal-page h2 .section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: #18181b;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.legal-page h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #27272a;
  margin-top: 22px;
  margin-bottom: 10px;
}

.legal-page p {
  color: #52525b;
  font-size: 0.92rem;
  margin-bottom: 14px;
  line-height: 1.7;
}

.legal-page ul,
.legal-page ol {
  padding-left: 20px;
  margin-bottom: 14px;
}

.legal-page li {
  color: #52525b;
  font-size: 0.92rem;
  margin-bottom: 8px;
  line-height: 1.65;
  padding-left: 4px;
}

.legal-page li::marker {
  color: #d4d4d8;
}

.legal-page a {
  color: #2563eb;
  font-weight: 500;
  transition: color 0.15s ease;
}

.legal-page a:hover {
  color: #1d4ed8;
}

/* Callout boxes */
.legal-callout {
  background: #f0f9ff;
  border-left: 3px solid #38bdf8;
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 18px 0;
  font-size: 0.89rem;
  color: #0c4a6e;
  line-height: 1.65;
}

.legal-callout strong {
  color: #0369a1;
}

.legal-callout.warning {
  background: #fefce8;
  border-left-color: #facc15;
  color: #713f12;
}

.legal-callout.warning strong {
  color: #854d0e;
}

/* Scope pills */
.legal-page code {
  background: #f4f4f5;
  border: 1px solid #e4e4e7;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.83rem;
  color: #3f3f46;
  font-family: 'SF Mono', 'Fira Code', ui-monospace, monospace;
}

/* Contact card */
.legal-contact {
  background: #fafafa;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  padding: 20px 24px;
  margin-top: 8px;
}

.legal-contact ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.legal-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #f4f4f5;
  margin-bottom: 0;
  padding-left: 0;
}

.legal-contact li:last-child {
  border-bottom: none;
}

/* Separator between major groups */
.legal-divider {
  border: none;
  border-top: 1px solid #f0f0f0;
  margin: 40px 0;
}

/* === Legal Footer === */
.footer {
  text-align: center;
  padding: 24px 40px;
  color: #a1a1aa;
  font-size: 0.82rem;
  border-top: 1px solid #f0f0f0;
}

.footer a {
  color: #71717a;
}

.footer a:hover {
  color: #18181b;
}

/* === Third-Party Services List === */
.section ul li strong {
  color: #18181b;
}

/* === Section Subtitle === */
.section-subtitle {
  color: #a1a1aa;
  font-size: 0.92rem;
  margin-top: -4px;
  margin-bottom: 24px;
}

/* === Video Showcase === */
.video-showcase {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 0 auto;
}

.video-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #09090b;
  width: 190px;
  height: 338px;
  flex-shrink: 0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.video-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-card .play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.25);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.video-card:hover .play-btn {
  background: rgba(0, 0, 0, 0.4);
}

.video-card .play-btn::after {
  content: '';
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2318181b'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 20px 20px;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* === Video Modal === */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.video-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  z-index: 1;
  max-height: 90vh;
  aspect-ratio: 9 / 16;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  animation: modalIn 0.2s ease;
}

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

.modal-content video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 18px;
  line-height: 32px;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s ease;
  backdrop-filter: blur(4px);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.75);
}

/* === Responsive === */
@media (max-width: 768px) {
  .top-nav {
    padding: 0 16px;
    height: 52px;
  }

  .top-nav-brand img {
    width: 28px;
    height: 28px;
  }

  .top-nav-links a {
    padding: 6px 10px;
    font-size: 0.82rem;
  }

  .hero {
    padding: 56px 24px 48px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .container {
    padding: 40px 20px;
  }

  .section {
    margin-bottom: 48px;
  }

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

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .doc-links {
    grid-template-columns: 1fr;
  }

  .legal-page {
    margin: 0;
    padding: 32px 20px 40px;
  }

  .legal-page h1 {
    font-size: 1.6rem;
  }

  .legal-toc ol {
    columns: 1;
  }

  .video-showcase {
    gap: 12px;
  }

  .video-card {
    width: 140px;
    height: 249px;
  }
}

@media (max-width: 480px) {
  .top-nav {
    flex-direction: column;
    height: auto;
    padding: 12px 16px;
    gap: 8px;
  }

  .top-nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 40px 16px 36px;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .container {
    padding: 32px 16px;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .legal-page {
    padding: 24px 16px 32px;
  }

  .legal-page h1 {
    font-size: 1.35rem;
  }

  .legal-page h2 {
    font-size: 1.02rem;
  }

  .legal-toc {
    padding: 18px 20px;
  }

  .legal-contact {
    padding: 16px 20px;
  }

  .video-showcase {
    gap: 8px;
  }

  .video-card {
    width: 105px;
    height: 187px;
    border-radius: 10px;
  }
}