/* ============================================
   BURTONTTV — Premium streamer landing
   Dark • Futuristic • Cyan/teal accent
   ============================================ */

:root {
  --bg-dark: #0a0b0e;
  --bg-card: rgba(15, 18, 24, 0.6);
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.4);
  --accent-glow: rgba(0, 212, 170, 0.25);
  --text: #e8eaed;
  --text-muted: rgba(232, 234, 237, 0.6);
  --border: rgba(255, 255, 255, 0.06);
  --glass: rgba(255, 255, 255, 0.03);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100%;
}

body {
  min-height: 100%;
  height: 100%;
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
  position: relative;
}

/* ----- Full-page scroll wrapper ----- */
.scroll-wrapper {
  height: 100vh;
  overflow-y: scroll;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.scroll-wrapper::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.scroll-wrapper {
  scrollbar-width: none;
}

.section {
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.section-hero {
  padding: 0;
}

.section-hero .hero {
  flex: 0 0 auto;
}

/* ----- Background canvas ----- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ----- Scanlines (faint tech overlay) ----- */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 0.5;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  opacity: 0.6;
  transition: opacity 0.05s ease-out;
}

/* ----- Admin padlock (low-profile login link) ----- */
.admin-lock {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 50;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  opacity: 0.22;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.admin-lock:hover {
  opacity: 0.5;
  color: var(--accent);
}

.admin-lock svg {
  width: 18px;
  height: 18px;
}

.admin-error-toast {
  position: fixed;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  padding: 0.75rem 1.25rem;
  background: rgba(0, 0, 0, 0.9);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 99;
  max-width: 90%;
}

.admin-error-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ----- Navigation ----- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: linear-gradient(to bottom, var(--bg-dark) 0%, transparent 100%);
  transition: background 0.4s ease;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.1s,
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.1s,
    background 0.4s ease, backdrop-filter 0.4s ease;
}

html.loaded .nav {
  opacity: 1;
  transform: translateY(0);
}

.nav.scrolled {
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-logo:hover {
  color: var(--accent);
  text-shadow: 0 0 20px var(--accent-glow);
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@media (max-width: 640px) {
  .nav {
    padding: 1rem 1.25rem;
  }
  .nav-logo {
    font-size: 0.95rem;
    letter-spacing: 0.15em;
  }
}

/* ----- Scroll hint ----- */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.scroll-hint:hover {
  color: var(--accent);
}

.scroll-hint-chevron {
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(2px);
  animation: scrollHintBounce 2s ease-in-out infinite;
}

@keyframes scrollHintBounce {
  0%, 100% { transform: rotate(45deg) translateY(2px); }
  50% { transform: rotate(45deg) translateY(8px); }
}

/* ----- Hero ----- */
.hero {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  text-align: center;
}

.hero-status {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.9rem, 2.5vw, 1.15rem);
  letter-spacing: 0.4em;
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(16px);
  transition: none;
}

.hero-visible .hero-status {
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.05s forwards;
}

.hero-status .hero-status-text {
  display: inline-block;
  padding: 0.35em 0.75em;
  border-radius: 6px;
  border: 1px solid rgba(232, 234, 237, 0.2);
  color: var(--text-muted);
}

.hero-status.live .hero-status-text {
  color: var(--accent);
  border-color: rgba(0, 212, 170, 0.5);
  text-shadow: 0 0 20px var(--accent-glow);
  animation: pulse-live 2s ease-in-out infinite;
}

.hero-status.offline .hero-status-text {
  color: var(--text-muted);
  border-color: rgba(232, 234, 237, 0.2);
}

.hero-title {
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: none;
}

.hero-visible .hero-title {
  animation: heroFadeUp 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.15s forwards;
}

.hero-title-inner {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 12vw, 6.5rem);
  letter-spacing: 0.25em;
  line-height: 1.05;
  color: var(--text);
  text-shadow: 0 0 40px var(--accent-glow);
  display: inline-block;
  transition: text-shadow 0.4s ease, letter-spacing 0.4s ease;
}

.hero-title-inner:hover {
  text-shadow: 0 0 60px var(--accent-glow), 0 0 100px var(--accent-dim);
  letter-spacing: 0.3em;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(0.65rem, 1.6vw, 0.8rem);
  font-weight: 400;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(22px);
  transition: none;
}

.hero-visible .hero-subtitle {
  animation: heroFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  opacity: 0;
  transform: translateY(22px);
  transition: none;
}

.hero-visible .hero-buttons {
  animation: heroFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.65s forwards;
}

.hero-visible .hero-buttons .btn {
  opacity: 0;
  transform: translateY(12px);
  animation: btnFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-visible .hero-buttons .btn:nth-child(1) { animation-delay: 0.85s; }
.hero-visible .hero-buttons .btn:nth-child(2) { animation-delay: 0.95s; }
.hero-visible .hero-buttons .btn:nth-child(3) { animation-delay: 1.05s; }
.hero-visible .hero-buttons .btn:nth-child(4) { animation-delay: 1.15s; }

@keyframes btnFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-dim), transparent 50%, var(--accent-dim));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  box-shadow: 0 0 24px var(--accent-glow), inset 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.btn:hover::before {
  opacity: 1;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 480px) {
  .hero {
    padding: 5rem 1rem 3rem;
  }
  .hero-title-inner {
    letter-spacing: 0.15em;
  }
  .hero-subtitle {
    letter-spacing: 0.35em;
    margin-bottom: 2.5rem;
  }
  .btn {
    min-width: 120px;
    padding: 0.75rem 1.25rem;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
  }
  .hero-buttons {
    gap: 0.75rem;
  }
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ----- Stream section ----- */
.section-stream {
  background: var(--bg-dark);
  z-index: 2;
}

.stream-container {
  width: 100%;
  max-width: 1400px;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 4rem);
  margin: 2rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
}

.stream-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.stream-fallback {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stream-fallback a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.stream-fallback a:hover {
  color: var(--text);
  border-bottom-color: var(--accent-dim);
}

.scroll-hint--stream {
  bottom: 1.5rem;
}

/* ----- Clips section ----- */
.section-clips {
  background: var(--bg-dark);
  z-index: 2;
  justify-content: center;
  align-items: center;
  padding: 4rem 1.5rem 3rem;
  overflow-y: auto;
}

.clips-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.clips-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.9rem, 2.2vw, 1.15rem);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  text-shadow: 0 0 30px var(--accent-glow);
  letter-spacing: 0.45em;
}

.clips-heading::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  margin: 0.75rem auto 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}

.clips-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
}

.clips-loading {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.clip-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.25s ease,
    box-shadow 0.25s ease;
  position: relative;
}

.clip-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--accent-dim), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.clip-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 170, 0.3);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 24px var(--accent-glow);
}

.clip-card:hover::before {
  opacity: 1;
}

.clip-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
}

.clip-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.clip-card:hover .clip-thumb {
  transform: scale(1.04);
}

.clip-thumb-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
  pointer-events: none;
}

.clip-body {
  padding: 0.9rem 1rem;
  text-align: left;
}

.clip-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.4rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
}

.clip-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

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

@media (max-width: 720px) {
  .clips-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .stream-container {
    margin: 1rem;
    max-height: calc(100vh - 2rem);
  }
  .scroll-hint {
    bottom: 1.25rem;
    font-size: 0.65rem;
  }
  .section-clips {
    padding: 3rem 1rem 2rem;
  }
  .clips-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .clips-heading {
    letter-spacing: 0.3em;
  }
}