:root {
  color-scheme: dark;
  --bg: #070711;
  --bg-2: #10111f;
  --paper: rgba(255, 255, 255, 0.075);
  --paper-strong: rgba(255, 255, 255, 0.115);
  --ink: #fff7ec;
  --muted: rgba(255, 247, 236, 0.62);
  --muted-2: rgba(255, 247, 236, 0.42);
  --line: rgba(255, 247, 236, 0.13);
  --line-strong: rgba(255, 247, 236, 0.2);
  --pink: #ff5a91;
  --rose: #ff7eaa;
  --champagne: #efd5a3;
  --violet: #9b86ff;
  --blue: #8fc8ff;
  --yellow: #ffd980;
  --orange: #ffb49b;
  --shadow: 0 34px 120px rgba(0, 0, 0, 0.38);
  --glow: 0 0 80px rgba(255, 90, 145, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 90, 145, 0.18), transparent 28%),
    radial-gradient(circle at 80% 8%, rgba(239, 213, 163, 0.14), transparent 26%),
    radial-gradient(circle at 72% 72%, rgba(155, 134, 255, 0.14), transparent 30%),
    linear-gradient(135deg, var(--bg) 0%, #0b0915 45%, #11111f 100%);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family:
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    "Segoe UI",
    sans-serif;
  letter-spacing: -0.025em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 50% 20%, black, transparent 74%);
}

a {
  color: inherit;
}

.page {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
  padding: 50px 0 72px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 46px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand-logo-frame {
  position: relative;
  display: block;
  width: 62px;
  height: 62px;
  overflow: hidden;
  border-radius: 18px;
  background: #fff9f5;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.24));
}

.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 3px;
  min-height: 62px;
}

.brand-name {
  font-size: 28px;
  font-weight: 950;
  line-height: 1;
  color: var(--ink);
}

.brand-sub {
  color: var(--champagne);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(255, 247, 236, 0.72);
  text-decoration: none;
  font-size: 14px;
  font-weight: 820;
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.nav a:hover {
  border-color: rgba(239, 213, 163, 0.42);
  background: rgba(255, 255, 255, 0.075);
  color: var(--ink);
}

.hero,
.card,
.mini,
.metrics,
.statement {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.045));
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero {
  position: relative;
  overflow: hidden;
  border-radius: 38px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at 78% 18%, rgba(239, 213, 163, 0.18), transparent 28%),
    radial-gradient(circle at 16% 76%, rgba(255, 90, 145, 0.12), transparent 34%);
}

.landing-hero {
  min-height: 590px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.72fr);
  gap: 34px;
  align-items: stretch;
  padding: 62px;
}

.hero-copy,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-copy {
  display: grid;
  align-content: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--champagne);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(58px, 10vw, 122px);
  line-height: 0.88;
  letter-spacing: -0.085em;
}

.lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 650;
  line-height: 1.72;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid rgba(239, 213, 163, 0.24);
  border-radius: 999px;
  background: linear-gradient(135deg, #ffe0a7, #ff7ea8 58%, #9b86ff);
  color: #18111b;
  text-decoration: none;
  font-weight: 950;
  box-shadow: 0 20px 46px rgba(255, 90, 145, 0.2);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
  box-shadow: none;
}

.button:hover {
  transform: translateY(-1px);
}

.hero-panel {
  display: grid;
  align-content: center;
  gap: 16px;
  min-height: 100%;
}

.sound-card {
  position: relative;
  overflow: hidden;
  min-height: 130px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.07);
}

.sound-card::after {
  content: "";
  position: absolute;
  width: 130px;
  height: 130px;
  right: -36px;
  top: -46px;
  border-radius: 50%;
  background: rgba(255, 90, 145, 0.16);
}

.sound-card.active {
  border-color: rgba(239, 213, 163, 0.34);
  background: linear-gradient(145deg, rgba(239, 213, 163, 0.16), rgba(255, 255, 255, 0.07));
  box-shadow: var(--glow);
}

.sound-badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 11px;
  margin-bottom: 24px;
  border: 1px solid rgba(239, 213, 163, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--champagne);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sound-card strong {
  display: block;
  font-size: 24px;
  letter-spacing: -0.055em;
}

.sound-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-top: 18px;
  border-radius: 26px;
}

.metrics div {
  padding: 24px 26px;
  background: rgba(255, 255, 255, 0.035);
}

.mini-index {
  display: block;
  margin-bottom: 9px;
  color: var(--champagne);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.16em;
}

.metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  letter-spacing: -0.04em;
}

.metric-label {
  color: var(--muted-2);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.02em;
}

.statement {
  margin-top: 18px;
  padding: 38px 42px;
  border-radius: 30px;
}

.statement p {
  max-width: 860px;
  margin: 0;
  color: rgba(255, 247, 236, 0.82);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 850;
  line-height: 1.42;
  letter-spacing: -0.06em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.mini {
  min-height: 220px;
  padding: 28px;
  border-radius: 28px;
}

.mini strong {
  display: block;
  margin-bottom: 12px;
  font-size: 21px;
  letter-spacing: -0.05em;
}

.mini p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
  line-height: 1.68;
}

.doc {
  display: grid;
  gap: 18px;
  width: min(920px, calc(100% - 48px));
}

.doc-header {
  padding: 48px;
}

.doc-header h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.98;
}

.updated {
  margin: 20px 0 0;
  color: var(--muted);
  font-weight: 760;
}

.card {
  padding: 38px 42px;
  border-radius: 28px;
}

.card h2 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 25px;
  letter-spacing: -0.05em;
}

.card p,
.card li {
  color: rgba(255, 247, 236, 0.72);
  font-size: 16px;
  font-weight: 620;
  line-height: 1.82;
}

.card p {
  margin: 0 0 14px;
}

.card p:last-child {
  margin-bottom: 0;
}

.card ul {
  margin: 0;
  padding-left: 20px;
}

.notice {
  border-color: rgba(239, 213, 163, 0.28);
  background: linear-gradient(145deg, rgba(239, 213, 163, 0.12), rgba(255, 255, 255, 0.055));
}

.footer {
  margin-top: 38px;
  color: var(--muted-2);
  text-align: center;
  font-size: 13px;
  font-weight: 740;
  letter-spacing: 0.04em;
}

@media (max-width: 860px) {
  .landing-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 44px 28px;
  }

  .hero-panel {
    grid-template-columns: 1fr 1fr;
  }

}

@media (max-width: 720px) {
  .page,
  .doc {
    width: min(100% - 24px, 920px);
    padding-top: 32px;
  }

  .top {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 30px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero,
  .doc-header,
  .card,
  .statement {
    padding: 30px 24px;
    border-radius: 28px;
  }

  .landing-hero {
    padding: 36px 24px;
  }

  h1 {
    font-size: clamp(52px, 18vw, 86px);
  }

  .hero-panel,
  .metrics,
  .grid {
    grid-template-columns: 1fr;
  }

  .mini {
    min-height: auto;
  }
}