:root {
  --gl-brand-orange: #ff9800;
  --gl-brand-orange-soft: #fff1dc;
  --gl-brand-blue: #2196f3;
  --gl-brand-blue-soft: #e9f5ff;
  --gl-navy-950: #102238;
  --gl-navy-900: #17304b;
  --gl-navy-800: #23415f;
  --gl-text: #183047;
  --gl-text-soft: #607185;
  --gl-surface: #ffffff;
  --gl-surface-soft: #f6f9fc;
  --gl-border: rgba(24, 48, 71, 0.10);
  --gl-success: #2e9b62;
  --gl-danger: #d65252;
  --gl-radius-sm: 10px;
  --gl-radius-md: 16px;
  --gl-radius-lg: 24px;
  --gl-radius-xl: 32px;
  --gl-shadow-sm: 0 8px 24px rgba(17, 41, 65, 0.08);
  --gl-shadow-md: 0 20px 60px rgba(17, 41, 65, 0.12);
  --gl-container: 1180px;
  --gl-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--gl-font);
  color: var(--gl-text);
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 152, 0, 0.10), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(33, 150, 243, 0.10), transparent 30rem),
    var(--gl-surface-soft);
  line-height: 1.55;
}

a { color: inherit; }

button, input, select { font: inherit; }

.gl-container {
  width: min(calc(100% - 40px), var(--gl-container));
  margin-inline: auto;
}

.gl-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(24, 48, 71, 0.06);
  background: rgba(246, 249, 252, 0.90);
  backdrop-filter: blur(18px);
}

.gl-header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.gl-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  text-decoration: none;
  letter-spacing: -0.03em;
  font-size: 1.28rem;
  white-space: nowrap;
}

.gl-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(145deg, var(--gl-brand-orange), var(--gl-brand-blue));
  box-shadow: var(--gl-shadow-sm);
  font-size: 1.15rem;
}

.gl-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}

.gl-nav a {
  text-decoration: none;
  color: var(--gl-text-soft);
  font-size: 0.92rem;
  font-weight: 700;
}

.gl-nav a:hover,
.gl-nav a:focus-visible { color: var(--gl-text); }

.gl-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.gl-locale {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--gl-border);
  border-radius: 999px;
  background: var(--gl-surface);
}

.gl-locale a {
  min-width: 32px;
  height: 30px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--gl-text-soft);
}

.gl-locale a[aria-current="true"] {
  background: var(--gl-navy-950);
  color: white;
}

.gl-btn {
  min-height: 44px;
  padding: 0 17px;
  border-radius: 13px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.gl-btn-primary {
  background: var(--gl-navy-950);
  color: white;
  box-shadow: 0 12px 30px rgba(16, 34, 56, 0.18);
}

.gl-btn-primary:hover,
.gl-btn-primary:focus-visible { background: var(--gl-navy-800); }

.gl-btn-secondary {
  background: var(--gl-surface);
  border-color: var(--gl-border);
  color: var(--gl-text);
}

.gl-btn-accent {
  background: linear-gradient(135deg, var(--gl-brand-orange), #ffb646);
  color: #38240b;
  box-shadow: 0 14px 30px rgba(255, 152, 0, 0.18);
}

.gl-btn:focus-visible,
.gl-nav a:focus-visible,
.gl-locale a:focus-visible {
  outline: 3px solid rgba(33, 150, 243, 0.28);
  outline-offset: 3px;
}

.gl-hero {
  padding: 82px 0 64px;
}

.gl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  gap: 60px;
  align-items: center;
}

.gl-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(33, 150, 243, 0.14);
  border-radius: 999px;
  background: var(--gl-brand-blue-soft);
  color: #1b6195;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.gl-hero h1 {
  margin: 20px 0 18px;
  max-width: 760px;
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.gl-hero-copy {
  max-width: 640px;
  margin: 0;
  color: var(--gl-text-soft);
  font-size: 1.08rem;
}

.gl-hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.gl-product-window {
  overflow: hidden;
  padding: 12px;
  border-radius: var(--gl-radius-xl);
  border: 1px solid rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.72);
  box-shadow: var(--gl-shadow-md);
}

.gl-product-stage {
  min-height: 228px;
  position: relative;
  overflow: hidden;
  border-radius: 24px 24px 14px 14px;
  background:
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.78), transparent 16%),
    linear-gradient(180deg, #bde7ff 0 50%, #ccecbc 50% 100%);
}

.gl-product-stage::before,
.gl-product-stage::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.82);
  filter: blur(1px);
}

.gl-product-stage::before { width: 150px; height: 46px; left: 10%; top: 24%; }
.gl-product-stage::after { width: 190px; height: 55px; right: 18%; top: 15%; }

.gl-metronome {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 16px;
  width: 122px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255,255,255,0.90);
  box-shadow: var(--gl-shadow-sm);
}

.gl-metronome-icon {
  width: 34px;
  height: 46px;
  margin: 0 auto 9px;
  clip-path: polygon(36% 0, 64% 0, 88% 100%, 12% 100%);
  background: var(--gl-navy-900);
  position: relative;
}

.gl-metronome-icon::after {
  content: "";
  position: absolute;
  width: 3px;
  height: 30px;
  left: 50%;
  top: 7px;
  transform: rotate(18deg);
  transform-origin: bottom;
  background: var(--gl-brand-orange);
}

.gl-metronome-actions { display: flex; gap: 6px; }
.gl-mini-start, .gl-mini-stop {
  flex: 1;
  min-height: 25px;
  border: 0;
  border-radius: 8px;
  color: white;
  font-size: 0.65rem;
  font-weight: 800;
}
.gl-mini-start { background: var(--gl-brand-blue); }
.gl-mini-stop { background: var(--gl-danger); }

.gl-sheet {
  margin-top: 8px;
  min-height: 154px;
  padding: 20px 24px;
  border-radius: 14px;
  background: #fffdfa;
  border: 1px solid rgba(24,48,71,0.08);
  position: relative;
}

.gl-staff {
  position: relative;
  height: 74px;
  margin-top: 14px;
  background: repeating-linear-gradient(to bottom, transparent 0 12px, rgba(24,48,71,0.24) 12px 13px);
}

.gl-note {
  position: absolute;
  width: 13px;
  height: 9px;
  border-radius: 50%;
  background: var(--gl-navy-950);
  transform: rotate(-18deg);
}
.gl-note::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 34px;
  background: currentColor;
  right: 0;
  bottom: 4px;
}
.gl-note.n1 { left: 15%; top: 42px; }
.gl-note.n2 { left: 31%; top: 30px; color: var(--gl-brand-blue); background: var(--gl-brand-blue); }
.gl-note.n3 { left: 47%; top: 23px; }
.gl-note.n4 { left: 63%; top: 35px; color: var(--gl-brand-orange); background: var(--gl-brand-orange); }
.gl-note.n5 { left: 79%; top: 17px; }

.gl-piano {
  height: 112px;
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 2px;
  padding: 7px 8px 9px;
  border-radius: 14px 14px 22px 22px;
  background: var(--gl-navy-950);
}

.gl-piano span {
  position: relative;
  border-radius: 0 0 7px 7px;
  background: white;
}

.gl-piano span:nth-child(4),
.gl-piano span:nth-child(9) { background: #fff6e8; }

.gl-proof {
  padding: 54px 0;
}

.gl-proof-box {
  padding: 38px;
  border-radius: var(--gl-radius-xl);
  background: var(--gl-navy-950);
  color: white;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: center;
}

.gl-proof-box h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.gl-proof-box p { margin: 0; color: rgba(255,255,255,0.72); }

.gl-audiences { padding: 46px 0 90px; }

.gl-section-head {
  max-width: 680px;
  margin-bottom: 26px;
}

.gl-section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.04em;
}

.gl-audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gl-audience-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--gl-border);
  border-radius: var(--gl-radius-lg);
  background: var(--gl-surface);
  box-shadow: var(--gl-shadow-sm);
}

.gl-audience-index {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--gl-brand-orange-soft);
  color: #925710;
  font-weight: 900;
}

.gl-audience-card:nth-child(even) .gl-audience-index {
  background: var(--gl-brand-blue-soft);
  color: #1b6195;
}

.gl-audience-card h3 { margin: 32px 0 8px; font-size: 1.14rem; }
.gl-audience-card p { margin: 0; color: var(--gl-text-soft); font-size: 0.94rem; }

.gl-footer {
  padding: 30px 0 42px;
  border-top: 1px solid var(--gl-border);
  color: var(--gl-text-soft);
  font-size: 0.9rem;
}

.gl-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 1050px) {
  .gl-nav { display: none; }
  .gl-header-actions { margin-left: auto; }
  .gl-hero-grid { grid-template-columns: 1fr; }
  .gl-product-window { max-width: 760px; }
  .gl-audience-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .gl-container { width: min(calc(100% - 24px), var(--gl-container)); }
  .gl-header-inner { min-height: 68px; gap: 12px; }
  .gl-locale { display: none; }
  .gl-header-actions .gl-btn-secondary { display: none; }
  .gl-hero { padding: 54px 0 40px; }
  .gl-hero h1 { font-size: clamp(2.45rem, 13vw, 3.6rem); }
  .gl-hero-grid { gap: 38px; }
  .gl-product-stage { min-height: 178px; }
  .gl-metronome { width: 105px; }
  .gl-sheet { min-height: 126px; padding: 14px; }
  .gl-piano { height: 88px; }
  .gl-proof-box { grid-template-columns: 1fr; padding: 28px; }
  .gl-audience-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}