/* BiBo Event — Design System (blue accent) */

:root {
  --navy: #07172f;
  --navy-light: #102b50;
  --blue: #2586e6;
  --blue-light: #71b8ff;
  --silver: #dce5ee;
  --white: #ffffff;
  --muted: #8aa0b5;
  --card: #0d2340;
  --danger: #e85d5d;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.15);
  --transition: 0.2s ease;
  --max-width: 1200px;
  --nav-height: 72px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
}

@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;
  }
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--silver);
  background: var(--navy);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover { color: var(--white); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--blue);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
}

.skip-link:focus { top: 1rem; }

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 23, 47, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(37, 134, 230, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-brand a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
}

.nav-brand a:hover { color: var(--blue-light); }

/* PLACEHOLDER: Replace with assets/bibo-event-logo.png when available */
.bibo-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--white);
  flex-shrink: 0;
}

.bibo-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--white);
}

.brand-tag {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 400;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-menu a {
  display: block;
  padding: 0.5rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--silver);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--white);
  background: rgba(37, 134, 230, 0.12);
}

.nav-related {
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.35rem 0.65rem;
  border-left: 1px solid rgba(138, 160, 181, 0.25);
  margin-left: 0.5rem;
}

.nav-related a {
  color: var(--muted);
  font-size: 0.75rem;
  padding: 0;
}

.nav-related a:hover { color: var(--blue-light); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .mobile-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--navy);
    padding: 1rem 1.25rem 2rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

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

  .nav-menu li { border-bottom: 1px solid rgba(138, 160, 181, 0.1); }

  .nav-menu a {
    padding: 0.875rem 0.5rem;
    font-size: 1rem;
  }

  .nav-related {
    border-left: none;
    margin-left: 0;
    padding: 0.875rem 0.5rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: #1a75d4;
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 134, 230, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--silver);
  border: 1px solid rgba(138, 160, 181, 0.35);
}

.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--white);
  background: rgba(37, 134, 230, 0.08);
}

.btn-danger {
  background: var(--danger);
  color: var(--white);
}

.btn-danger:hover {
  background: #d44a4a;
  color: var(--white);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  background: linear-gradient(180deg, var(--navy-light) 0%, var(--navy) 100%);
  border-bottom: 1px solid rgba(37, 134, 230, 0.1);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--blue-light);
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--blue-light);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.hero-tagline + .hero-tagline { margin-bottom: 1.25rem; }

.hero-description {
  font-size: 1.0625rem;
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-product-label {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 1.5rem;
}

/* Event dashboard mock */
.dashboard-mock {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(37, 134, 230, 0.2);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.dashboard-mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(16, 43, 80, 0.8);
  border-bottom: 1px solid rgba(37, 134, 230, 0.15);
}

.mock-dots {
  display: flex;
  gap: 6px;
}

.mock-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(138, 160, 181, 0.3);
}

.mock-dots span:first-child { background: var(--danger); opacity: 0.7; }
.mock-dots span:nth-child(2) { background: #e6a23c; opacity: 0.7; }
.mock-dots span:nth-child(3) { background: var(--blue); opacity: 0.7; }

.mock-title {
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 500;
}

.dashboard-mock-body { padding: 1.25rem; }

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.mock-stat {
  background: rgba(7, 23, 47, 0.6);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  text-align: center;
  border: 1px solid rgba(37, 134, 230, 0.1);
}

.mock-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-light);
}

.mock-stat-label {
  font-size: 0.6875rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mock-list {
  list-style: none;
  margin-bottom: 1rem;
}

.mock-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(138, 160, 181, 0.08);
}

.mock-list li span:last-child {
  color: var(--blue-light);
  font-weight: 600;
}

.mock-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mock-btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: default;
}

.mock-btn-blue { background: var(--blue); color: var(--white); }
.mock-btn-outline { background: transparent; border: 1px solid rgba(138, 160, 181, 0.3); color: var(--silver); }
.mock-btn-danger { background: var(--danger); color: var(--white); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .mock-stats { grid-template-columns: repeat(2, 1fr); }
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: rgba(16, 43, 80, 0.35);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--muted);
}

.page-header {
  padding: 3rem 0 2rem;
  background: linear-gradient(180deg, var(--navy-light) 0%, var(--navy) 100%);
  border-bottom: 1px solid rgba(37, 134, 230, 0.1);
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--white);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--muted);
  font-size: 1.0625rem;
  max-width: 640px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.card-grid-5 {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(37, 134, 230, 0.12);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(37, 134, 230, 0.3);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(37, 134, 230, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
}

.process-step h3 {
  font-size: 0.9375rem;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.process-step p {
  font-size: 0.8125rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .process-steps {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

/* Live dashboard section */
.live-dashboard {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(37, 134, 230, 0.2);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.dashboard-totals {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.total-card {
  background: rgba(7, 23, 47, 0.5);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  border: 1px solid rgba(37, 134, 230, 0.1);
}

.total-card.highlight {
  border-color: var(--blue);
  background: rgba(37, 134, 230, 0.08);
}

.total-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue-light);
}

.total-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dashboard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Emergency section */
.emergency-section {
  border-left: 4px solid var(--blue);
  background: rgba(37, 134, 230, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 2rem;
}

.emergency-section h2 { color: var(--white); margin-bottom: 1rem; }

.disclaimer {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(7, 23, 47, 0.5);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--muted);
  border: 1px solid rgba(138, 160, 181, 0.15);
}

/* Attendee & roles lists */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.tag-list li {
  background: rgba(37, 134, 230, 0.12);
  color: var(--blue-light);
  padding: 0.4rem 0.875rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(37, 134, 230, 0.2);
}

.link-concept {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(7, 23, 47, 0.4);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}

.link-arrow {
  color: var(--blue);
  font-size: 1.5rem;
}

/* Privacy list */
.privacy-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.privacy-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.privacy-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--blue);
  border-radius: 50%;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

/* Pricing cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(37, 134, 230, 0.12);
  padding: 2rem;
  text-align: center;
}

.pricing-card.featured {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue), var(--shadow);
}

.pricing-badge {
  display: inline-block;
  background: rgba(37, 134, 230, 0.15);
  color: var(--blue-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-card h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.pricing-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-light);
  margin-bottom: 1rem;
}

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 1.5rem;
}

.pricing-card li {
  padding: 0.4rem 0;
  font-size: 0.9375rem;
  color: var(--muted);
  padding-left: 1.25rem;
  position: relative;
}

.pricing-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 600;
}

.pricing-note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Comparison */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.comparison-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(37, 134, 230, 0.12);
}

.comparison-card.event { border-top: 3px solid var(--blue); }
.comparison-card.club { border-top: 3px solid #2db85d; }

.comparison-card h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.comparison-card .best-for {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.comparison-card ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.comparison-card li {
  padding: 0.35rem 0;
  font-size: 0.9375rem;
  color: var(--silver);
  padding-left: 1.25rem;
  position: relative;
}

.comparison-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--blue);
}

.comparison-card.club li::before { color: #2db85d; }

@media (max-width: 768px) {
  .comparison-grid { grid-template-columns: 1fr; }
}

/* More tools */
.more-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(138, 160, 181, 0.12);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.tool-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  object-fit: cover;
}

.tool-icon-placeholder {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(37, 134, 230, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.tool-card h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.tool-card p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.coming-soon-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(138, 160, 181, 0.15);
  color: var(--muted);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* Screenshots & lightbox */
.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.screenshot-item {
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(37, 134, 230, 0.15);
  transition: border-color var(--transition), transform var(--transition);
  background: var(--card);
}

.screenshot-item:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.screenshot-placeholder {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--card) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  padding: 1rem;
  text-align: center;
  border-radius: var(--radius);
  border: 1px solid rgba(37, 134, 230, 0.15);
}

.screenshot-item .screenshot-placeholder {
  border-radius: 0;
  border: none;
}

.screenshot-caption {
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  color: var(--silver);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(7, 23, 47, 0.92);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
}

.lightbox-content img,
.lightbox-content .screenshot-placeholder {
  max-height: 80vh;
  border-radius: var(--radius);
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}

.lightbox-caption {
  text-align: center;
  margin-top: 1rem;
  color: var(--silver);
}

/* Video guides */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.video-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(37, 134, 230, 0.12);
}

.video-thumb {
  aspect-ratio: 16 / 9;
  background: var(--navy-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* PLACEHOLDER: Replace with assets/video-placeholder.jpg when available */
.video-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--navy-light) 0%, rgba(37, 134, 230, 0.2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(37, 134, 230, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
}

.video-card-body { padding: 1.25rem; }

.video-card h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.video-card p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* FAQ accordion */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(138, 160, 181, 0.15);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.faq-question:hover { color: var(--blue-light); }

.faq-icon {
  font-size: 1.25rem;
  color: var(--blue);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Contact form */
.form-section {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--silver);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--white);
  background: rgba(7, 23, 47, 0.6);
  border: 1px solid rgba(138, 160, 181, 0.25);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  outline: none;
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--danger);
}

.field-error {
  font-size: 0.8125rem;
  color: var(--danger);
  margin-top: 0.25rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
  accent-color: var(--blue);
}

.checkbox-group label {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0;
}

.form-notice {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(37, 134, 230, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--blue-light);
  border: 1px solid rgba(37, 134, 230, 0.2);
}

.form-notice.hidden { display: none; }

/* Support topics */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.support-topic {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(37, 134, 230, 0.12);
}

.support-topic h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.support-topic p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.support-topic a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* Feature detail */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(138, 160, 181, 0.1);
}

.feature-detail:last-child { border-bottom: none; }

.feature-detail.reverse { direction: rtl; }
.feature-detail.reverse > * { direction: ltr; }

.feature-detail h2 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.feature-detail p {
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.feature-detail ul {
  list-style: none;
  margin-top: 1rem;
}

.feature-detail li {
  padding: 0.3rem 0;
  font-size: 0.9375rem;
  color: var(--silver);
  padding-left: 1.25rem;
  position: relative;
}

.feature-detail li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
}

@media (max-width: 768px) {
  .feature-detail,
  .feature-detail.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

/* Preview page */
.preview-hero {
  text-align: center;
  padding: 3rem 0;
}

.preview-hero .btn-group {
  justify-content: center;
  margin-top: 2rem;
}

/* Notice banner */
.notice-banner {
  background: rgba(37, 134, 230, 0.1);
  border: 1px solid rgba(37, 134, 230, 0.2);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--blue-light);
  margin-bottom: 2rem;
}

/* Footer */
.site-footer {
  background: rgba(7, 23, 47, 0.8);
  border-top: 1px solid rgba(37, 134, 230, 0.1);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li { margin-bottom: 0.4rem; }

.footer-links a {
  font-size: 0.875rem;
  color: var(--muted);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(138, 160, 181, 0.1);
  font-size: 0.8125rem;
  color: var(--muted);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover { background: #1a75d4; }

/* Placeholder notice (JS-triggered) */
.placeholder-notice {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--card);
  border: 1px solid var(--blue);
  color: var(--silver);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  box-shadow: var(--shadow);
  z-index: 950;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  max-width: 90vw;
  text-align: center;
}

.placeholder-notice.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}