:root {
  --ink: #12333b;
  --muted: #5d7479;
  --brand: #0b5264;
  --brand-2: #2dc6c4;
  --warm: #f5eee3;
  --paper: #fffdf8;
  --line: #dce9e9;
  --shadow: 0 24px 70px rgba(18, 51, 59, .14);
  --radius: 28px;
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #fbf7ef 0%, #f7fcfb 48%, #fffdf8 100%);
  color: var(--ink)
}

a {
  color: inherit
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 4vw, 58px);
  background: rgba(255, 253, 248, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 233, 233, .75)
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -.03em
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain
}

.brand span {
  font-size: clamp(18px, 2vw, 24px)
}

.nav {
  display: flex;
  gap: 8px
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 700
}

.nav a:hover {
  background: #fff;
  color: var(--brand)
}

.hero {
  min-height: calc(100vh - 75px);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 44px;
  align-items: center;
  padding: clamp(34px, 7vw, 96px) clamp(18px, 6vw, 90px)
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
  font-weight: 900;
  color: var(--brand);
  margin: 0 0 14px
}

.hero h1 {
  font-size: clamp(48px, 8vw, 112px);
  line-height: .88;
  letter-spacing: -.08em;
  margin: 0 0 24px;
  max-width: 850px
}

.lead {
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.45;
  color: #365b62;
  max-width: 680px;
  margin: 0
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 15px 20px;
  font-weight: 900;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: .2s
}

.btn.primary {
  background: var(--brand);
  color: white;
  box-shadow: 0 12px 34px rgba(11, 82, 100, .22)
}

.btn.ghost {
  background: white;
  color: var(--brand);
  border: 1px solid var(--line)
}

.btn:hover {
  transform: translateY(-2px)
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center
}

.logo-orbit {
  width: min(74vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 40% 35%, white 0 31%, rgba(45, 198, 196, .16) 32% 57%, rgba(11, 82, 100, .08) 58% 100%);
  box-shadow: var(--shadow)
}

.logo-orbit img {
  width: 82%;
  height: 82%;
  object-fit: contain;
  filter: drop-shadow(0 20px 24px rgba(18, 51, 59, .16))
}

.signal-card {
  position: absolute;
  right: 2%;
  bottom: 12%;
  background: rgba(255, 255, 255, .9);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 22px;
  padding: 16px 18px;
  display: grid;
  gap: 2px
}

.signal-card strong {
  font-size: 22px
}

.signal-card small {
  color: var(--muted)
}

.signal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-2);
  box-shadow: 0 0 0 8px rgba(45, 198, 196, .16)
}

.player-shell {
  position: sticky;
  bottom: 14px;
  z-index: 15;
  margin: 0 clamp(14px, 4vw, 58px) 30px;
  padding: 14px;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center
}

.now-playing {
  display: flex;
  gap: 14px;
  align-items: center;
  min-width: 0
}

.now-playing img {
  width: 82px;
  height: 82px;
  border-radius: 18px;
  object-fit: cover;
  background: #eef
}

.player-meta {
  margin: 0 0 3px;
  color: var(--brand);
  font-weight: 900;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em
}

.now-playing h2 {
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.05;
  margin: 0 0 6px;
  letter-spacing: -.04em
}

.now-playing p {
  margin: 0;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden
}

.platforms {
  display: flex;
  gap: 8px;
  margin-top: 9px
}

.platforms a {
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
  background: #eef8f7;
  color: var(--brand);
  border-radius: 999px;
  padding: 7px 10px
}

.section {
  padding: clamp(54px, 8vw, 105px) clamp(18px, 6vw, 90px)
}

.intro-section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: start
}

.intro-section h2,
.section-head h2 {
  font-size: clamp(32px, 4vw, 58px);
  line-height: .98;
  letter-spacing: -.06em;
  margin: 0
}

.mission-grid {
  display: grid;
  gap: 14px
}

.mission-grid article {
  background: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 14px 34px rgba(18, 51, 59, .06)
}

.mission-grid strong {
  display: block;
  font-size: 24px;
  margin-bottom: 7px
}

.mission-grid span {
  color: var(--muted);
  line-height: 1.45
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px
}

.filters {
  display: flex;
  gap: 8px;
  background: white;
  border: 1px solid var(--line);
  padding: 6px;
  border-radius: 999px
}

.filter {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 900;
  color: var(--muted);
  cursor: pointer
}

.filter.active {
  background: var(--brand);
  color: white
}

.episodes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px
}

.episode-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(18, 51, 59, .08);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: .2s
}

.episode-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow)
}

.episode-cover {
  aspect-ratio: 1.16;
  background: #e9f3f3;
  overflow: hidden
}

.episode-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block
}

.episode-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1
}

.episode-kicker {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--brand);
  font-weight: 900;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em
}

.episode-card h3 {
  font-size: 22px;
  line-height: 1.05;
  letter-spacing: -.04em;
  margin: 0
}

.episode-card p {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden
}

.episode-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto
}

.episode-actions button,
.episode-actions a {
  border: 0;
  border-radius: 999px;
  padding: 10px 12px;
  font-weight: 900;
  text-decoration: none;
  font-size: 13px;
  cursor: pointer
}

.episode-actions button {
  background: var(--brand);
  color: white
}

.episode-actions a {
  background: #f1f7f7;
  color: var(--brand)
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 6vw, 90px);
  border-top: 1px solid var(--line);
  background: white
}

.footer img {
  width: 54px
}

.footer p {
  margin: 0
}

.footer a {
  font-weight: 900;
  color: var(--brand)
}

@media (max-width:900px) {
  .nav {
    display: none
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 44px
  }

  .lead {
    margin: auto
  }

  .hero-actions {
    justify-content: center
  }

  .hero-visual {
    min-height: 320px
  }

  .logo-orbit {
    width: min(86vw, 390px)
  }

  .signal-card {
    right: 50%;
    transform: translateX(50%);
    bottom: 4%
  }

  .player-shell {
    position: relative;
    bottom: auto;
    grid-template-columns: 1fr;
    margin-inline: 14px
  }

  .intro-section {
    grid-template-columns: 1fr
  }

  .section-head {
    align-items: start;
    flex-direction: column
  }

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

@media (max-width:620px) {
  .site-header {
    padding: 10px 14px
  }

  .brand img {
    width: 42px;
    height: 42px
  }

  .brand span {
    font-size: 19px
  }

  .hero {
    min-height: auto
  }

  .hero h1 {
    font-size: 52px
  }

  .hero-visual {
    order: -1
  }

  .player-shell {
    border-radius: 20px
  }

  .now-playing {
    align-items: flex-start
  }

  .now-playing img {
    width: 70px;
    height: 70px
  }

  .platforms {
    flex-wrap: wrap
  }

  .episodes-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
    margin-inline: -18px;
    padding-inline: 18px
  }

  .episode-card {
    min-width: 82vw;
    scroll-snap-align: start
  }

  .filters {
    width: 100%;
    overflow: auto
  }

  .footer {
    align-items: flex-start;
    flex-direction: column
  }
}