/* Alien Emoji — studio site
   Architectural minimal: pure white, tight grid, mono accents, deep amber signal.
*/

:root {
  --bg: #ffffff;
  --ink: #0a0a0a;
  --ink-2: #1a1a1a;
  --muted: #6b6b6b;
  --muted-2: #9a9a9a;
  --line: #e6e6e6;
  --line-2: #f0f0f0;
  --accent: #c4691a;       /* deep amber, nods to Birdsong wordmark */
  --accent-soft: #f5ead9;
  --signal: #c4691a;

  --f-sans: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --f-display: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-serif: "DM Serif Display", Georgia, serif;

  --max: 1200px;
  --gutter: 30px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-sans);
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--accent); color: #fff; }

/* ---------- shell ---------- */

.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 64px;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 15px;
}
.brand-mark {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: url('assets/alienemoji-logo.jpg') center/cover no-repeat, #fff;
  display: inline-block;
  flex-shrink: 0;
}

.nav-links {
  display: flex; align-items: center; gap: 28px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.nav-links a {
  position: relative;
  color: var(--ink-2);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }
.brand.active { color: var(--accent); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -22px;
  height: 1px; background: var(--accent);
}

.nav-cta {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-left: auto;
}

/* ---------- type system ---------- */

.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 2px;
}

.h-display {
  font-family: var(--f-display);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
  font-size: clamp(56px, 8vw, 112px);
}
.h-display em {
  font-style: italic;
  font-family: var(--f-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.h1 {
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-size: clamp(40px, 5vw, 64px);
}
.h2 {
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-size: clamp(28px, 3vw, 40px);
}
.h3 {
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  font-size: 20px;
}

.lead {
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 56ch;
  letter-spacing: -0.005em;
}

.mono {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--muted);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: all .18s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
  font-weight: 600;
}
.btn-ghost:hover { background: var(--ink); color: #fff; }

.btn .arrow {
  font-family: var(--f-mono);
  font-size: 13px;
  transform: translateX(0);
  transition: transform .18s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- grid utilities ---------- */

.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

.section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}
.section.tight { padding: 64px 0; }
.section.first { border-top: none; }

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gutter);
  margin-bottom: 48px;
  align-items: end;
}

/* ---------- gradient hero band ---------- */

.hero-gradient {
  background:
    radial-gradient(ellipse 80% 60% at 10% 30%, rgba(30, 20, 70, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(196, 105, 26, 0.06) 0%, transparent 65%),
    linear-gradient(160deg, #f9f6ff 0%, #fff8f2 50%, #fafcff 100%);
}

/* ---------- products section gradient ---------- */

.products-gradient {
  background:
    radial-gradient(ellipse 100% 70% at 50% 0%, rgba(22, 14, 58, 0.04) 0%, transparent 70%),
    linear-gradient(180deg, #f7f5ff 0%, #ffffff 60%);
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
  font-size: 13.5px;
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gutter);
  margin-bottom: 80px;
}
.footer h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 18px;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ---------- big ASCII-ish wordmark display ---------- */

.colossus {
  font-family: var(--f-display);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.86;
  font-size: clamp(72px, 14vw, 220px);
}
.colossus em {
  font-style: italic;
  font-family: var(--f-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--accent);
}

/* ---------- ticker ---------- */

.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.ticker-track {
  display: inline-block;
  padding: 14px 0;
  animation: ticker 40s linear infinite;
}
.ticker-track span { margin: 0 32px; }
.ticker-track .sep { color: var(--accent); }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- card primitives ---------- */

.card {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  overflow: hidden;
  transition: border-color .2s ease, transform .3s ease;
}
.card:hover { border-color: var(--ink); }
.card-media {
  aspect-ratio: 16 / 10;
  background: #f5f5f5;
  position: relative;
  overflow: hidden;
}
.card-body { padding: 24px; }
.card-meta {
  display: flex; justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

/* ---------- specimen helpers (placeholders) ---------- */

.placeholder {
  background:
    repeating-linear-gradient(
      135deg,
      #f5f5f5 0,
      #f5f5f5 6px,
      #fafafa 6px,
      #fafafa 12px
    );
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ---------- spatial audio diagram (home) ---------- */

.spatial {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  container-type: size;
  border: 1px solid var(--line);
  border-radius: 4px;
  background:
    radial-gradient(circle at 50% 50%, #fff 0%, #fafafa 100%);
  overflow: hidden;
}
.spatial-ring {
  position: absolute;
  border-radius: 50%;
  top: 50%; left: 50%;
  /* cqmin = min(container width, container height) — always circular */
  width:  var(--ring-size);
  height: var(--ring-size);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.spatial-ring--outer {
  --ring-size: 76cqmin;
  border: 1px solid var(--line);
}
.spatial-ring--inner {
  --ring-size: 44cqmin;
  border: 1px solid var(--line-2);
}
.spatial-axes {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, transparent calc(50% - 0.5px), var(--line-2) calc(50% - 0.5px), var(--line-2) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    linear-gradient(to bottom, transparent calc(50% - 0.5px), var(--line-2) calc(50% - 0.5px), var(--line-2) calc(50% + 0.5px), transparent calc(50% + 0.5px));
}
.spatial-listener {
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 12px;
  background: var(--ink);
  border-radius: 999px;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 0 6px #fff, 0 0 0 7px var(--ink);
}
.spatial-source {
  position: absolute;
  width: 8px; height: 8px;
  background: #003ba8;
  border-radius: 999px;
  transform: translate(-50%,-50%);
}
.spatial-source::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 999px;
  border: 2px solid #003ba8;
  opacity: 1.0;
  animation: pulse 3.2s ease-in-out infinite;
}
@keyframes pulse {
  0%   { transform: scale(0.5); opacity: 0.6; }
  100% { transform: scale(3.5); opacity: 0; }
}
.spatial-label {
  position: absolute;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transform: translate(8px, -50%);
}

/* ---------- waveform ---------- */

.waveform {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 36px;
}
.waveform span {
  display: inline-block;
  width: 2px;
  background: var(--ink);
  border-radius: 1px;
  animation: wave 1.6s ease-in-out infinite;
}
@keyframes wave {
  0%, 100% { transform: scaleY(0.3); }
  50%      { transform: scaleY(1); }
}

/* ---------- product hero (subpages) ---------- */

.product-hero {
  padding: 80px 0 64px;
}
.product-hero .row { align-items: end; }

/* ---------- product hero gradient (subpages) ---------- */

.product-hero-gradient {
  position: relative;
  background:
    radial-gradient(ellipse 90% 60% at 0% 40%, rgba(22, 14, 58, 0.06) 0%, transparent 65%),
    radial-gradient(ellipse 60% 50% at 100% 80%, rgba(196, 105, 26, 0.05) 0%, transparent 60%),
    linear-gradient(180deg, #f8f5ff 0%, #fffaf6 50%, #ffffff 100%);
}
.product-hero-gradient::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, #ffffff);
  pointer-events: none;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.kpi {
  padding: 24px 0;
  border-right: 1px solid var(--line);
}
.kpi:last-child { border-right: none; }
.kpi .k {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.kpi .v {
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-weight: 500;
}

/* ---------- iphone frame (sleepy aliens) ---------- */

.iphone {
  width: 260px;
  aspect-ratio: 9 / 19.5;
  border-radius: 38px;
  background: #0a0a0a;
  padding: 8px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 30px 60px -20px rgba(0,0,0,0.25);
  position: relative;
}
.iphone-screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: #000;
  position: relative;
}
.iphone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 24px;
  background: #000;
  border-radius: 999px;
  z-index: 2;
}

/* ---------- products grid ---------- */

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0a0a0a;
  flex-shrink: 0;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.product-card-media--empty {
  background: var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: repeating-linear-gradient(
    135deg,
    #f5f5f5 0,
    #f5f5f5 6px,
    #fafafa 6px,
    #fafafa 12px
  );
}

.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ---------- contact section gradient ---------- */

.contact-gradient {
  background:
    radial-gradient(ellipse 60% 55% at 70% 55%, rgba(196, 130, 60, 0.13) 0%, transparent 60%),
    radial-gradient(ellipse 45% 50% at 20% 40%, rgba(120, 150, 130, 0.10) 0%, transparent 65%),
    linear-gradient(155deg, #f0ece6 0%, #e8e2d8 50%, #ede7df 100%);
}

/* ---------- sticky nav fix ---------- */

#site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  position: static;
}

/* ---------- hero waves canvas ---------- */

.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- hero entrance animation ---------- */

.reveal-hero {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-hero.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- scroll-reveal ---------- */

.reveal-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1), transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- product card lift on hover ---------- */

.product-card {
  transition: border-color .2s ease, transform .32s cubic-bezier(0.22, 1, 0.36, 1), box-shadow .35s cubic-bezier(0.22, 1, 0.36, 1);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px -8px rgba(0, 0, 0, 0.12);
}

/* responsive */
@media (max-width: 900px) {
  :root { --gutter: 24px; }
  .row { grid-template-columns: repeat(6, 1fr); gap: 24px; }
  .section { padding: 64px 0; }
  .section-head { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kpi:nth-child(2n) { border-right: none; }
  .nav-links { gap: 18px; font-size: 13px; }
  .nav-cta { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .hero-icon-col {
    grid-column: span 2 !important;
  }
  .hero-app-icon {
    width: 100% !important;
    height: auto !important;
    max-width: 160px;
  }
  .hero-title-col {
    grid-column: span 4 !important;
  }
}

@media (max-width: 1100px) and (min-width: 901px) {
  :root { --gutter: 36px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }

  /* ---- grid collapses to single column ---- */
  .row { grid-template-columns: 1fr; gap: 20px; }
  .row > [style*="grid-column"] { grid-column: 1 / -1 !important; }

  /* ---- section spacing ---- */
  .section { padding: 48px 0; }
  .section.tight { padding: 36px 0; }
  .section-head { margin-bottom: 28px; }

  /* ---- nav ---- */
  .nav-inner { gap: 16px; height: 56px; }
  .nav-links { gap: 14px; font-size: 12.5px; }
  .brand { font-size: 14px; }
  .nav-links a.active::after { bottom: -18px; }

  /* ---- type scale ---- */
  .h-display { font-size: clamp(36px, 9vw, 56px); }
  .h1 { font-size: clamp(28px, 7vw, 40px); }
  .h2 { font-size: clamp(22px, 6vw, 32px); }
  .lead { font-size: 16px; max-width: 100%; }

  /* ---- hero (index) info row — force 1 col ---- */
  .hero-icon-col { max-width: 100%; display: flex; justify-content: left; }
  .hero-app-icon { max-width: 140px !important; }

  /* ---- product hero top meta bar ---- */
  .hero-meta-bar {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 6px;
  }

  /* ---- birdsong feature 2-col grid ---- */
  .feature-grid {
    grid-template-columns: 1fr !important;
  }

  /* ---- sleepy-aliens dark panel ---- */
  .starfield-panel {
    min-height: 340px !important;
  }

  /* ---- contact section padding ---- */
  .contact-section {
    padding-top: 72px !important;
    padding-bottom: 72px !important;
  }

  /* ---- CTA sections (dark band) ---- */
  .cta-section {
    padding-top: 56px !important;
    padding-bottom: 56px !important;
  }

  /* ---- footer ---- */
  .footer-grid { grid-template-columns: 1fr; gap: 36px; margin-bottom: 48px; }
  .footer-bottom { flex-direction: column; gap: 10px; align-items: flex-start; text-align: left; }

  /* ---- kpi row ---- */
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .kpi { padding: 16px 0; }

  /* ---- privacy page back link + content ---- */
  .legal { max-width: 100%; }

  /* ---- buttons ---- */
  .btn { padding: 11px 16px; font-size: 13.5px; }

  /* ---- colossus ---- */
  .colossus { font-size: clamp(48px, 14vw, 80px); }
}