:root {
  --bg-primary: #0E1230;
  --bg-secondary: #1A1F44;
  --bg-tertiary: #232A55;
  --border-subtle: #2A3160;
  --text-primary: #F2F0E8;
  --text-secondary: #B8B5C7;
  --text-tertiary: #8A8696;
  --accent: #C8956C;
  --accent-glow: rgba(200, 149, 108, 0.18);
  --tint-nature: #6CCB8B;
  --tint-noise: #8A8696;
  --tint-indoor: #C8956C;
  --tint-urban: #8BA6B8;
  --tint-asmr: #C8B86C;
  --tint-brainwaves: #8B6CC8;
  --tint-frequencies: #C86C9A;
  --font-script: "Snell Roundhand", "Apple Chancery", cursive;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", system-ui, sans-serif;
}

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

html, body {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.75; }

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ── */

.nav {
  padding: 28px 0 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 32px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--text-tertiary);
}

.nav-links a:hover {
  color: var(--text-primary);
  opacity: 1;
}

/* ── Hero ── */

.hero {
  padding: 96px 0 80px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center 40%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner { position: relative; z-index: 1; }

.hero-wordmark {
  font-family: var(--font-script);
  font-style: italic;
  font-size: clamp(96px, 18vw, 180px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 56px;
}

.hero-lede {
  max-width: 560px;
  margin: 0 auto 48px;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-secondary);
  font-weight: 300;
}

/* ── Download buttons ── */

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.2s;
}

.cta:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
  opacity: 1;
}

.cta svg { flex-shrink: 0; }

.cta-sub {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.cta-main {
  font-size: 16px;
  line-height: 1.1;
}

.cta-store {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.price-pill {
  display: inline-block;
  margin-top: 24px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── Sections ── */

section {
  padding: 64px 0;
}

.section-label {
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.section-body {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 600px;
}

/* ── Feature grid ── */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.feature {
  padding: 28px;
  border-radius: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: var(--accent-glow);
  color: var(--accent);
}

.feature-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-body {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.55;
}

/* ── Categories list ── */

.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.category-chip {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  position: relative;
  cursor: default;
  transition: transform 0.15s ease, background 0.15s ease;
  outline: none;
}

.category-chip:hover,
.category-chip:focus-visible {
  transform: translateY(-1px);
  background: var(--bg-tertiary);
}

.category-chip::after {
  content: attr(data-sounds);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0;
  white-space: normal;
  width: max-content;
  max-width: 280px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.category-chip::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 4px);
  transform: translateX(-50%) translateY(4px) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--bg-tertiary);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 9;
}

.category-chip:hover::after,
.category-chip:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.category-chip:hover::before,
.category-chip:focus-visible::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0) rotate(45deg);
}

.category-chip[data-tint="nature"] { color: var(--tint-nature); border-color: rgba(108, 203, 139, 0.3); }
.category-chip[data-tint="indoor"] { color: var(--tint-indoor); border-color: rgba(200, 149, 108, 0.3); }
.category-chip[data-tint="urban"] { color: var(--tint-urban); border-color: rgba(139, 166, 184, 0.3); }
.category-chip[data-tint="asmr"] { color: var(--tint-asmr); border-color: rgba(200, 184, 108, 0.3); }
.category-chip[data-tint="noise"] { color: var(--tint-noise); border-color: rgba(138, 134, 150, 0.3); }
.category-chip[data-tint="brainwaves"] { color: var(--tint-brainwaves); border-color: rgba(139, 108, 200, 0.3); }
.category-chip[data-tint="frequencies"] { color: var(--tint-frequencies); border-color: rgba(200, 108, 154, 0.3); }

/* ── Frequencies section ── */

.freq-section { padding: 64px 0 80px; }

.freq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.freq-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  position: relative;
}

.freq-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.freq-card-header h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
}

.freq-card-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  flex-shrink: 0;
}

.freq-card--brainwaves .freq-card-dot { background: var(--tint-brainwaves); }
.freq-card--frequencies .freq-card-dot { background: var(--tint-frequencies); }

.freq-card-lede {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.freq-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.freq-list li {
  display: grid;
  grid-template-columns: 90px 70px 1fr;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--border-subtle);
  font-size: 14px;
}

.freq-list li:first-child { border-top: none; padding-top: 6px; }

.freq-card--frequencies .freq-list li {
  grid-template-columns: 90px 1fr;
}

.freq-name {
  color: var(--text-primary);
  font-weight: 500;
}

.freq-card--brainwaves .freq-name { color: var(--tint-brainwaves); }
.freq-card--frequencies .freq-name { color: var(--tint-frequencies); }

.freq-hz {
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}

.freq-mood {
  color: var(--text-secondary);
  font-size: 13px;
  text-align: right;
}

.freq-card--frequencies .freq-mood { text-align: right; }

.freq-note {
  margin-top: 40px;
  padding: 20px 24px;
  border-left: 2px solid var(--accent);
  background: rgba(200, 149, 108, 0.05);
  border-radius: 0 12px 12px 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.65;
  max-width: 720px;
}

/* ── Pricing section ── */

.pricing {
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-amount {
  font-size: clamp(56px, 10vw, 88px);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  margin: 12px 0 20px;
}

.pricing-amount sup {
  font-size: 0.5em;
  font-weight: 300;
  vertical-align: super;
  color: var(--text-tertiary);
}

.pricing-note {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

/* ── Footer ── */

footer {
  padding: 56px 0 48px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 24px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
}

.footer-links a {
  color: var(--text-tertiary);
}

.footer-links a:hover {
  color: var(--text-primary);
  opacity: 1;
}

.footer-meta {
  width: 100%;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
}

/* ── Legal pages ── */

.legal {
  padding: 64px 0 48px;
}

.legal h1 {
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal .legal-updated {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 48px;
  letter-spacing: 0.04em;
}

.legal h2 {
  font-size: 22px;
  font-weight: 500;
  margin: 40px 0 14px;
  color: var(--text-primary);
}

.legal p,
.legal li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.legal ul {
  padding-left: 20px;
  margin-bottom: 14px;
}

.legal a { word-break: break-word; }

/* ── Responsive ── */

@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 64px 0 56px; }
  section { padding: 48px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}