/* AURALIS — shared stylesheet */

:root {
  --cream: #F0EBE3;
  --parchment: #FAFAF7;
  --sand: #E8E2D8;
  --slate: #2F3640;
  --stone: #5A6068;
  --ash: #8A8F96;
  --teal: #6B9B96;
  --teal-deep: #4A7B76;
  --terracotta: #C17C5A;
  --jade: #5A8C6F;
  --obsidian: #2F3640;

  --f-display: 'Outfit', system-ui, sans-serif;
  --f-serif: 'Libre Baskerville', Georgia, serif;
  --f-mono: 'IBM Plex Mono', 'Menlo', monospace;

  --pad: clamp(24px, 6vw, 96px);
  --max: 1360px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-display);
  font-weight: 300;
  background: var(--cream);
  color: var(--slate);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* Type scale */
.display {
  font-family: var(--f-display);
  font-weight: 200;
  letter-spacing: -0.01em;
  line-height: 1.05;
  font-size: clamp(42px, 6vw, 88px);
  text-wrap: balance;
}
.h1 {
  font-family: var(--f-display);
  font-weight: 200;
  letter-spacing: -0.005em;
  line-height: 1.1;
  font-size: clamp(36px, 4.6vw, 64px);
}
.h2 {
  font-family: var(--f-display);
  font-weight: 300;
  line-height: 1.15;
  font-size: clamp(28px, 3vw, 40px);
}
.h3 {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(20px, 1.6vw, 24px);
  letter-spacing: 0.01em;
}
.eyebrow {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal-deep);
}
.serif {
  font-family: var(--f-serif);
  font-weight: 400;
  font-style: italic;
}
.mono { font-family: var(--f-mono); font-weight: 400; }
.mute { color: var(--stone); }
.body-lg {
  font-size: clamp(17px, 1.2vw, 19px);
  color: var(--stone);
  line-height: 1.7;
  max-width: 62ch;
}
p { max-width: 62ch; color: var(--stone); }
p + p { margin-top: 1em; }

/* Layout */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: clamp(72px, 10vw, 140px) 0; position: relative; }
.section + .section { border-top: 1px solid rgba(47,54,64,0.08); }
.section.alt { background: var(--parchment); }
.section.dark { background: var(--obsidian); color: var(--cream); }
.section.dark p, .section.dark .mute { color: rgba(240,235,227,0.72); }

.section-num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ash);
  display: inline-block;
  margin-bottom: 20px;
}

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(240,235,227,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(47,54,64,0.08);
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand .mark { width: 28px; height: 28px; }
.nav-brand .name {
  font-family: var(--f-display);
  font-weight: 300;
  letter-spacing: 0.28em;
  font-size: 15px;
}
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--slate);
  opacity: 0.75;
  transition: opacity 0.2s;
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-cta {
  background: var(--teal);
  color: var(--cream) !important;
  padding: 10px 20px;
  border-radius: 2px;
  opacity: 1 !important;
  letter-spacing: 0.14em !important;
  font-size: 12px !important;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--teal-deep); }

.nav-toggle { display: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px;
  border-radius: 2px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 400;
  transition: all 0.25s;
  border: 1px solid transparent;
}
.btn-primary { background: var(--teal); color: var(--cream); }
.btn-primary:hover { background: var(--teal-deep); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--slate);
  border-color: rgba(47,54,64,0.2);
}
.btn-secondary:hover { border-color: var(--slate); background: rgba(47,54,64,0.03); }
.btn-dark { background: var(--slate); color: var(--cream); }
.btn-dark:hover { background: var(--obsidian); transform: translateY(-1px); }
.btn .arrow { transition: transform 0.25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* Wave mark */
.wave-mark { display: inline-block; vertical-align: middle; }

/* Mayan step-fret divider — abstract */
.step-fret {
  width: 100%; height: 24px; opacity: 0.15;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 24'><path d='M0 12 L10 12 L10 6 L20 6 L20 18 L30 18 L30 12 L40 12 L40 6 L50 6 L50 18 L60 18 L60 12 L80 12' fill='none' stroke='%232F3640' stroke-width='1'/></svg>");
  background-repeat: repeat-x;
  background-size: 80px 24px;
}

/* Speaker placeholder cards — stylized CSS, never hand-drawn speakers */
.speaker-placeholder {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 2px;
  overflow: hidden;
  background: linear-gradient(180deg, #f5f0e8 0%, #ebe4d7 100%);
  display: flex; align-items: flex-end; justify-content: center;
  padding: 24px;
}
.speaker-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0, transparent 11px,
    rgba(47,54,64,0.04) 11px, rgba(47,54,64,0.04) 12px
  );
  pointer-events: none;
}
.speaker-placeholder .label {
  position: relative;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ash);
  text-transform: uppercase;
  padding: 6px 12px;
  background: rgba(240,235,227,0.9);
  border: 1px solid rgba(47,54,64,0.1);
}

/* Wood grain — used as accent within speaker cards */
.wood {
  background-color: #8B5A3C;
  background-image:
    repeating-linear-gradient(
      92deg,
      rgba(0,0,0,0.06) 0 1px,
      transparent 1px 6px,
      rgba(0,0,0,0.03) 6px 7px,
      transparent 7px 14px,
      rgba(255,220,180,0.04) 14px 16px,
      transparent 16px 22px
    ),
    linear-gradient(180deg, rgba(255,220,180,0.08), rgba(0,0,0,0.15));
}
.wood.hormigo   { background-color: #8B5A3C; }
.wood.granadillo{ background-color: #5A2F28; }
.wood.conacaste { background-color: #B88E5C; }
.wood.cocobolo  { background-color: #6B3820; }

/* Speaker card (Collection) */
.speaker-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 28px;
  background: var(--parchment);
  border: 1px solid rgba(47,54,64,0.06);
  border-radius: 2px;
  transition: all 0.3s;
}
.speaker-card:hover {
  border-color: rgba(107,155,150,0.4);
  transform: translateY(-4px);
  box-shadow: 0 18px 50px -20px rgba(47,54,64,0.18);
}
.speaker-card .visual {
  aspect-ratio: 4/5;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.speaker-card .meta {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
}
.speaker-card h3 { font-size: 26px; font-weight: 300; letter-spacing: 0.02em; }
.speaker-card .translation { font-family: var(--f-serif); font-style: italic; color: var(--stone); font-size: 14px; margin-top: 2px; }
.speaker-card .price { font-family: var(--f-mono); font-size: 13px; color: var(--teal-deep); }
.speaker-card .specs {
  display: flex; gap: 18px; flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 11px; color: var(--ash);
  text-transform: uppercase; letter-spacing: 0.12em;
  padding-top: 14px; border-top: 1px solid rgba(47,54,64,0.08);
}

/* Footer */
.footer {
  background: var(--obsidian);
  color: rgba(240,235,227,0.78);
  padding: 80px var(--pad) 32px;
}
.footer a { opacity: 0.72; transition: opacity 0.2s; }
.footer a:hover { opacity: 1; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--max);
  margin: 0 auto 60px;
}
.footer-brand .mark { width: 36px; height: 36px; margin-bottom: 16px; }
.footer-brand .name {
  font-family: var(--f-display);
  font-weight: 300;
  letter-spacing: 0.28em;
  color: var(--cream);
  font-size: 18px;
  margin-bottom: 10px;
}
.footer-brand p { color: rgba(240,235,227,0.56); font-size: 14px; max-width: 32ch; }
.footer-col h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  font-weight: 400;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid rgba(240,235,227,0.08);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(240,235,227,0.45);
}

/* Fade on scroll */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Mobile */
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px;
    width: 28px; padding: 4px;
  }
  .nav-toggle span { display: block; height: 1.5px; background: var(--slate); }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 20px;
    position: fixed; inset: 64px 0 0 0;
    background: var(--cream); padding: 40px var(--pad);
    align-items: flex-start;
  }
  .nav.open .nav-links a { font-size: 20px; letter-spacing: 0.1em; text-transform: none; }
  .nav.open .nav-cta { font-size: 14px !important; padding: 14px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}