:root {
  --ink: #152026;
  --muted: #63717a;
  --paper: #fffdf8;
  --panel: #ffffff;
  --line: #dfe7e3;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --gold: #d59b2d;
  --coral: #c75c45;
  --shadow: 0 20px 60px rgba(22, 35, 38, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid rgba(21, 32, 38, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 170px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--gold));
  border-radius: 8px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.main-nav a {
  padding: 9px 12px;
  border-radius: 8px;
  color: #2b3b42;
  font-weight: 700;
  font-size: 0.92rem;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: #edf6f3;
  color: var(--teal-dark);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #17272a;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/hero-background.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.01);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 14, 31, 0.72) 0%, rgba(5, 14, 31, 0.28) 36%, rgba(5, 14, 31, 0.08) 72%),
    linear-gradient(0deg, rgba(5, 14, 31, 0.3), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 86px);
  padding: 80px 0 120px;
  color: #fff;
  text-shadow: 0 4px 22px rgba(0, 0, 0, 0.65);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.6rem, 11vw, 8.8rem);
  line-height: 0.88;
}

.hero p:not(.eyebrow) {
  max-width: 600px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 2vw, 1.28rem);
}

.hero-actions,
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 30px;
}

.primary-action,
.secondary-action,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.primary-action {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 12px 26px rgba(15, 118, 110, 0.25);
}

.primary-action:hover,
.primary-action:focus-visible {
  background: var(--teal-dark);
}

.secondary-action {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.section {
  padding: clamp(58px, 8vw, 96px) clamp(18px, 4vw, 56px);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1;
}

.section-heading p:not(.eyebrow) {
  margin: 14px auto 0;
  color: var(--muted);
}

.live-section {
  background: #f2f8f5;
}

.live-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  max-width: 1180px;
  margin: 0 auto;
}

.player-shell,
.schedule-panel,
.notification-box,
.contact-card,
.contact-form,
.video-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.player-shell {
  overflow: hidden;
}

.player-status {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 16px;
  color: #fff;
  background: #152026;
  font-weight: 800;
}

.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #ff4b3e;
  box-shadow: 0 0 0 8px rgba(255, 75, 62, 0.16);
}

.player-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 260px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.82), rgba(21, 32, 38, 0.92)),
    url("assets/aclsa-official-cover.png") center / cover;
}

.player-frame iframe,
.player-placeholder {
  position: absolute;
  inset: 0;
}

.player-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.player-placeholder {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  padding: 24px;
  color: #fff;
  text-align: center;
  background: rgba(9, 21, 24, 0.56);
  pointer-events: auto;
}

.player-placeholder strong {
  font-size: clamp(2rem, 6vw, 4.3rem);
  line-height: 1;
}

.player-placeholder small {
  max-width: 320px;
  color: rgba(255, 255, 255, 0.78);
}

.play-button {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: #fff;
  clip-path: polygon(30% 18%, 30% 82%, 82% 50%);
}

.player-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 4px;
  padding: 10px 16px;
  border-radius: 8px;
  color: #152026;
  background: #fff;
  font-weight: 800;
  text-shadow: none;
}

.player-link:hover,
.player-link:focus-visible {
  background: var(--gold);
  color: #fff;
}

.schedule-panel {
  padding: 24px;
}

.schedule-panel h3,
.notification-box h3,
.contact-card h3,
.video-card h3 {
  margin: 0;
}

.schedule-panel ul {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.schedule-panel li {
  display: grid;
  gap: 3px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.schedule-panel li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.schedule-panel span,
.video-card span {
  color: var(--teal);
  font-weight: 800;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
}

.video-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 1) 68%),
    linear-gradient(135deg, rgba(213, 155, 45, 0.32), rgba(15, 118, 110, 0.25));
}

.video-card:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 1) 68%),
    linear-gradient(135deg, rgba(199, 92, 69, 0.28), rgba(15, 118, 110, 0.2));
}

.video-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 1) 68%),
    linear-gradient(135deg, rgba(15, 118, 110, 0.28), rgba(213, 155, 45, 0.22));
}

.video-card p,
.notification-box p,
.contact-card p {
  color: var(--muted);
}

.notification-section {
  background: #fff8ec;
}

.notification-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 860px;
  margin: 0 auto;
  padding: 24px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
}

.contact-card,
.contact-form {
  padding: 22px;
}

.social-links {
  margin-top: 16px;
}

.social-links a {
  padding: 10px 12px;
  border-radius: 8px;
  background: #edf6f3;
  color: var(--teal-dark);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fbfdfb;
  font: inherit;
}

.site-footer {
  padding: 26px 18px;
  color: #fff;
  background: #152026;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 71px;
    right: 18px;
    left: 18px;
    display: none;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: grid;
  }

  .main-nav a {
    width: 100%;
  }

  .live-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 82vh;
  }

  .hero-content {
    margin-inline: 18px;
    width: calc(100% - 36px);
  }

  .hero-actions,
  .notification-box {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

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