/* Glasswing site — night glass, one cyan signal, serif editorial voice.
   Contract: site/theme.md */

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

:root {
  --bg: #070d18;
  --bg-1: #0b1424;
  --panel: #0e1930;
  --line: rgba(170, 210, 255, 0.1);
  --line-2: rgba(170, 210, 255, 0.17);
  --text: #eaf2fc;
  --text-2: #9fb3cc;
  --text-3: #64788f;
  --accent: #46c8f5;
  --accent-quiet: rgba(70, 200, 245, 0.12);
  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--text-2); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--text); }
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-3);
  margin-bottom: 14px;
}

h1, h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
}

/* ── Butterfly: an occasional wing-beat, like it just landed ── */
.mark .wing { transform-box: fill-box; }
.mark .wing-left { transform-origin: 100% 50%; }
.mark .wing-right { transform-origin: 0% 50%; }

@media (prefers-reduced-motion: no-preference) {
  .mark-flutter .wing-left { animation: beat-left 7s var(--ease) infinite; }
  .mark-flutter .wing-right { animation: beat-right 7s var(--ease) infinite; }
  @keyframes beat-left {
    0%, 88%, 100% { transform: none; }
    91% { transform: scaleX(0.55); }
    94% { transform: scaleX(1.08); }
    97% { transform: scaleX(0.85); }
  }
  @keyframes beat-right {
    0%, 88%, 100% { transform: none; }
    91% { transform: scaleX(0.55); }
    94% { transform: scaleX(1.08); }
    97% { transform: scaleX(0.85); }
  }
}

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.nav-brand .mark { color: var(--accent); flex-shrink: 0; }

.nav-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.beta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
}

.beta-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  .beta-dot { animation: beta-breathe 2.6s var(--ease) infinite; }
  @keyframes beta-breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
  }
}

/* ── Hero ── */
.hero {
  max-width: 880px;
  margin: 0 auto;
  padding: 72px 24px 40px;
  text-align: center;
}

.hero-title {
  font-size: clamp(36px, 6.6vw, 68px);
  line-height: 1.06;
  margin-bottom: 22px;
}

.hero-title .your {
  font-style: italic;
  color: var(--accent);
  position: relative;
  white-space: nowrap;
}

/* The one flourish: "your" underlines itself after the page settles. */
.hero-title .your::after {
  content: "";
  position: absolute;
  left: 2%;
  bottom: 0.02em;
  height: 0.045em;
  width: 96%;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.85;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-title .your::after {
    width: 0;
    animation: draw-under 0.5s var(--ease) 0.9s forwards;
  }
  @keyframes draw-under {
    to { width: 96%; }
  }
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 30px;
  color: var(--text-2);
  font-size: clamp(16px, 2.2vw, 18.5px);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  height: 46px;
  padding: 0 26px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
}

.btn-primary {
  background: #ffffff;
  color: #081120;
}

.btn-soon { cursor: default; }

.cta-note {
  font-size: 13.5px;
  color: var(--text-3);
}

.key-row {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.key-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 11px;
  background: var(--bg-1);
}

/* Load-in: hero pieces rise in order; chips stagger last. */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise 0.7s var(--ease) both; }
  .hero .eyebrow { animation-delay: 0.05s; }
  .hero-title { animation-delay: 0.12s; }
  .hero-sub { animation-delay: 0.22s; }
  .hero-cta { animation-delay: 0.3s; }
  .key-row .key-chip:nth-child(1) { animation-delay: 0.42s; }
  .key-row .key-chip:nth-child(2) { animation-delay: 0.48s; }
  .key-row .key-chip:nth-child(3) { animation-delay: 0.54s; }
  .key-row .key-chip:nth-child(4) { animation-delay: 0.6s; }
  .desk .window { animation-delay: 0.28s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: none; }
  }
}

/* Scroll reveal — sections start hidden ONLY when the script has actually
   taken charge (html.js) AND motion is allowed. Without JavaScript the page
   is simply visible; content never depends on the observer firing. */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 0.7s var(--ease),
      transform 0.7s var(--ease);
  }
  .js .reveal.revealed {
    opacity: 1;
    transform: none;
  }
}

/* ── Desktop scene ── */
.desk { padding: 8px 0 0; }

.desk-scene {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px 20px 26px;
}

/* The desk: an original dusk wallpaper — layered blue light, slowly alive. */
.desk-scene::before {
  content: "";
  position: absolute;
  inset: 0 0 60px;
  background:
    radial-gradient(1100px 520px at 18% 0%, rgba(38, 90, 160, 0.42), transparent 62%),
    radial-gradient(900px 480px at 85% 18%, rgba(70, 200, 245, 0.14), transparent 60%),
    radial-gradient(1400px 700px at 50% 110%, rgba(10, 30, 62, 0.9), transparent 70%),
    linear-gradient(180deg, #0a1526 0%, #0c1f3a 55%, #081120 100%);
  z-index: -1;
}

@media (prefers-reduced-motion: no-preference) {
  .desk-scene::before {
    background-size: 200% 200%, 200% 200%, 100% 100%, 100% 100%;
    animation: dusk-drift 26s ease-in-out infinite alternate;
  }
  @keyframes dusk-drift {
    from { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
    to { background-position: 30% 12%, 70% 30%, 50% 100%, 0 0; }
  }
}

.window {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(190, 225, 255, 0.22);
  box-shadow:
    0 60px 130px rgba(1, 6, 16, 0.72),
    0 18px 42px rgba(1, 6, 16, 0.55);
}

.desk-caption {
  text-align: center;
  font-size: 13px;
  color: var(--text-3);
  padding-top: 18px;
}

/* ── Three truths ── */
.truths {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 24px 24px;
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
}

.truth {
  padding: 8px 32px 8px 0;
}

.truth + .truth {
  border-left: 1px solid var(--line);
  padding-left: 32px;
}

.truth h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.truth p { color: var(--text-2); font-size: 15.5px; }

/* ── Features ── */
.feature {
  max-width: 1120px;
  margin: 0 auto;
  padding: 84px 24px 10px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.feature-stacked {
  display: block;
}

.feature-stacked .feature-copy {
  max-width: 640px;
  margin-bottom: 36px;
}

.feature h2, .themes h2, .beta h2 {
  font-size: clamp(27px, 3.7vw, 40px);
  line-height: 1.12;
  margin-bottom: 16px;
}

.feature-copy > p { color: var(--text-2); margin-bottom: 20px; }

.feature-list {
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 9px 0 9px 26px;
  color: var(--text-2);
  font-size: 15px;
  border-top: 1px solid var(--line);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.feature-shot {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: 0 30px 70px rgba(1, 6, 16, 0.6);
}

/* ── Themes strip ── */
.themes {
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 24px 10px;
}

.themes-sub {
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 26px;
}

.theme-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(300px, 1fr);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}

.theme-card {
  scroll-snap-align: start;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  transition:
    transform 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.theme-card:hover {
  transform: translateY(-4px);
  border-color: rgba(70, 200, 245, 0.4);
}

.theme-card figcaption {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  border-top: 1px solid var(--line);
}

/* ── Settings pair ── */
.settings-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 24px 10px;
}

.settings-sub {
  color: var(--text-2);
  max-width: 620px;
  margin-bottom: 30px;
}

.settings-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.settings-shot {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  box-shadow: 0 30px 70px rgba(1, 6, 16, 0.55);
}

.settings-shot figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-2);
  border-top: 1px solid var(--line);
}

/* ── Honest beta ── */
.beta {
  max-width: 1120px;
  margin: 90px auto 0;
  padding: 56px 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.beta h2 { margin-bottom: 34px; }

.beta-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.beta-col h4 {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-2);
}

.beta-col h4.works { color: var(--accent); }
.beta-col h4.rough { color: var(--text-3); }

.beta-col ul { list-style: none; }

.beta-col li {
  padding: 7px 0;
  color: var(--text-2);
  font-size: 15px;
}

/* ── Closing ── */
.closing {
  max-width: 680px;
  margin: 0 auto;
  padding: 96px 24px 80px;
  text-align: center;
}

.closing-mark { color: var(--accent); margin: 0 auto 22px; }

.closing h2 {
  font-size: clamp(32px, 4.6vw, 48px);
  margin-bottom: 14px;
}

.closing p { color: var(--text-2); }

/* ── Footer ── */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 24px 40px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-3);
}

.footer-note { color: var(--text-3); }

/* ── Lightbox — click any screenshot for full size ── */
.zoomable { cursor: zoom-in; }

.zoomable:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(3, 7, 14, 0.92);
  cursor: zoom-out;
}

.lightbox.open { display: flex; }

@media (prefers-reduced-motion: no-preference) {
  .lightbox.open { animation: lightbox-in 0.25s var(--ease); }
  @keyframes lightbox-in {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(11, 20, 36, 0.9);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.lightbox-close:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 860px) {
  .lightbox { padding: 10px; }
}

/* ── Mobile — Instagram-tap first ── */
@media (max-width: 860px) {
  .nav { padding: 16px 18px; }
  .hero { padding: 40px 20px 30px; }
  .hero-title br { display: none; }
  .hero-cta { flex-direction: column; gap: 10px; }
  .desk-scene { padding: 32px 12px 20px; }
  .window { border-radius: 10px; }
  .truths {
    grid-template-columns: 1fr;
    padding: 48px 20px 8px;
  }
  .truth { padding: 20px 0; }
  .truth + .truth {
    border-left: none;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }
  .feature {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 56px 20px 6px;
  }
  .feature-stacked .feature-copy { margin-bottom: 24px; }
  .themes { padding: 64px 20px 6px; }
  .theme-strip { grid-auto-columns: 82%; }
  .settings-section { padding: 64px 20px 6px; }
  .settings-pair { grid-template-columns: 1fr; gap: 16px; }
  .beta { margin-top: 60px; padding: 42px 20px; }
  .beta-cols { grid-template-columns: 1fr; gap: 32px; }
  .closing { padding: 64px 20px 56px; }
  .footer { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .beta-pill { font-size: 12px; padding: 5px 11px; }
}