:root {
  --bg: #07191f;
  --surface: rgba(7, 25, 31, .72);
  --text: #f5f6f4;
  --muted: rgba(245, 246, 244, .78);
  --line: rgba(255,255,255,.18);
  --accent: #b7d35a;
  --accent-2: #a56bd1;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "Work Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.split-page {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.panel {
  position: relative;
  min-height: 100svh;
  isolation: isolate;
  overflow: hidden;
}

.panel__backdrop,
.panel__shade {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.panel__backdrop {
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1);
}

.panel:hover .panel__backdrop {
  transform: scale(1.055);
}

.panel__shade {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(3,14,18,.58) 0%, rgba(3,14,18,.20) 34%, rgba(3,14,18,.76) 100%),
    linear-gradient(90deg, rgba(3,14,18,.18), rgba(3,14,18,.48));
}

.panel--feng .panel__backdrop {
  background-image:
    linear-gradient(rgba(2,14,17,.08), rgba(2,14,17,.08)),
    url("https://images.unsplash.com/photo-1511497584788-876760111969?auto=format&fit=crop&w=1800&q=85");
}

.panel--music .panel__backdrop {
  background-image:
    linear-gradient(rgba(2,14,17,.08), rgba(2,14,17,.08)),
    url("https://images.unsplash.com/photo-1520523839897-bd0b52f945a0?auto=format&fit=crop&w=1800&q=85");
}

.panel__content {
  min-height: 100svh;
  width: min(100%, 760px);
  margin-inline: auto;
  padding: clamp(30px, 4vw, 62px) clamp(26px, 5vw, 78px) 150px;
  display: flex;
  flex-direction: column;
}

.panel-header {
  text-align: center;
}

.brand {
  font-size: clamp(18px, 2vw, 29px);
  font-weight: 800;
  letter-spacing: .08em;
  color: #dfe8ff;
  text-shadow: 0 2px 18px rgba(0,0,0,.55);
}

.brand--right {
  opacity: .98;
}

.brand-line {
  display: block;
  height: 2px;
  margin: 12px 0 clamp(54px, 7vh, 86px);
  background: linear-gradient(90deg,
    #a65fc9 0%,
    #54c7d2 28%,
    #d9e34c 52%,
    #f07555 70%,
    #6f7fd6 100%);
  opacity: .8;
}

.panel-title-row {
  display: flex;
  align-items: center;
  gap: 30px;
  min-height: 92px;
}

.panel-title-row--right {
  justify-content: flex-end;
}

h1, h2 {
  margin: 0;
  font-size: clamp(42px, 4.2vw, 68px);
  line-height: .95;
  letter-spacing: -.045em;
  font-weight: 800;
}

.symbol {
  flex: 0 0 auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 47px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.42);
  box-shadow: 0 12px 40px rgba(0,0,0,.35), inset 0 0 30px rgba(255,255,255,.05);
  backdrop-filter: blur(8px);
}

.symbol--feng {
  background:
    conic-gradient(#e9dc43, #61cb58, #40bad7, #ce4d83, #e9dc43);
  color: #0b1720;
  text-shadow: none;
}

.symbol--music {
  color: #f1d94a;
  border-color: rgba(241,217,74,.55);
}

.copy {
  margin-top: clamp(42px, 6vh, 74px);
  max-width: 650px;
}

.copy--right {
  margin-left: auto;
  text-align: right;
}

.eyebrow,
.quote {
  margin: 0 0 22px;
  font-size: clamp(20px, 1.65vw, 27px);
  line-height: 1.25;
  font-weight: 700;
}

.quote {
  font-style: italic;
  font-weight: 600;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  align-items: start;
  font-size: clamp(15px, 1.12vw, 18px);
  line-height: 1.28;
  font-weight: 500;
}

.number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 50%;
  font-weight: 600;
}

.note {
  margin: 30px 0 0;
  font-size: clamp(14px, 1.05vw, 17px);
  line-height: 1.4;
  font-weight: 500;
}

.media-card {
  width: min(100%, 440px);
  margin: 26px 0 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  align-items: center;
  text-align: left;
  background: rgba(39, 36, 58, .72);
  border: 1px solid rgba(255,255,255,.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.media-card__disc {
  width: 108px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle, #f8f8f8 0 8%, #d7d7d7 9% 38%, #202b8e 39% 44%, #f4f4f4 45% 100%);
  color: #1c2c98;
  font-size: 42px;
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
}

.media-card strong,
.media-card span {
  display: block;
}

.media-card strong {
  font-size: 14px;
  line-height: 1.2;
}

.media-card span {
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.25;
  opacity: .82;
}

.media-card__small {
  margin-top: 20px !important;
  font-weight: 700;
  opacity: 1 !important;
}

.panel-action {
  position: absolute;
  left: clamp(26px, 5vw, 78px);
  right: clamp(26px, 5vw, 78px);
  bottom: clamp(55px, 7vh, 90px);
  min-height: 58px;
  display: grid;
  place-items: center;
  padding: 12px 24px;
  border: 2px solid rgba(255,255,255,.9);
  border-radius: 14px;
  background: rgba(5,18,23,.34);
  text-decoration: none;
  font-size: clamp(15px, 1.15vw, 19px);
  font-weight: 700;
  text-align: center;
  backdrop-filter: blur(7px);
  box-shadow: 0 8px 28px rgba(0,0,0,.24);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}

.panel-action:hover,
.panel-action:focus-visible {
  transform: translateY(-3px);
  background: rgba(255,255,255,.10);
  border-color: #fff;
  outline: none;
}

.edge-arrow {
  position: absolute;
  bottom: clamp(22px, 3vw, 42px);
  z-index: 3;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 50%;
  background: rgba(4,18,23,.48);
  color: #fff;
  text-decoration: none;
  font-size: 27px;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  transition: transform .16s ease, background .2s ease, border-color .2s ease;
}

.edge-arrow--left { left: 22px; }
.edge-arrow--right { right: 22px; }

.edge-arrow:hover,
.edge-arrow:focus-visible {
  background: rgba(255,255,255,.11);
  border-color: rgba(255,255,255,.72);
  outline: none;
}

.edge-arrow.is-near {
  animation: arrowWiggle .42s ease-in-out;
}

@keyframes arrowWiggle {
  0% { transform: translateX(0) rotate(0); }
  25% { transform: translateX(-3px) rotate(-4deg); }
  50% { transform: translateX(3px) rotate(4deg); }
  75% { transform: translateX(-2px) rotate(-2deg); }
  100% { transform: translateX(0) rotate(0); }
}

@media (max-width: 900px) {
  .split-page {
    grid-template-columns: 1fr;
  }

  .panel {
    min-height: 88svh;
  }

  .panel__content {
    min-height: 88svh;
    padding-bottom: 130px;
  }

  .brand-line {
    margin-bottom: 44px;
  }

  .panel-title-row--right {
    justify-content: flex-start;
  }

  .copy--right {
    margin-left: 0;
    text-align: left;
  }

  .media-card {
    margin-left: 0;
  }

  .panel-action {
    left: 26px;
    right: 26px;
  }
}

@media (max-width: 560px) {
  .panel__content {
    padding: 26px 20px 125px;
  }

  .panel-title-row {
    gap: 17px;
  }

  h1, h2 {
    font-size: clamp(38px, 12vw, 52px);
  }

  .symbol {
    width: 64px;
    height: 64px;
    font-size: 34px;
  }

  .copy {
    margin-top: 34px;
  }

  .feature-list {
    gap: 17px;
  }

  .feature-list li {
    grid-template-columns: 34px 1fr;
    font-size: 15px;
  }

  .media-card {
    grid-template-columns: 78px 1fr;
    padding: 16px;
    gap: 15px;
  }

  .media-card__disc {
    width: 78px;
    font-size: 30px;
  }

  .panel-action {
    bottom: 62px;
    min-height: 54px;
    padding-inline: 18px;
    font-size: 14px;
    border-radius: 12px;
  }

  .edge-arrow {
    width: 46px;
    height: 46px;
    bottom: 10px;
    font-size: 22px;
  }

  .edge-arrow--left { left: 20px; }
  .edge-arrow--right { right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
