:root {
  --ink: #12100c;
  --ink-soft: #1d1a14;
  --paper: #f4ecdd;
  --paper-dim: #cfc5b0;
  --gold: #e8a849;
  --gold-soft: rgba(232, 168, 73, 0.14);
  --max: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2 { font-family: "Fraunces", Georgia, serif; font-weight: 500; line-height: 1.12; }

/* ---------- nav ---------- */
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.4rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wordmark {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.5rem;
  color: var(--paper);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.arch-glyph {
  width: 22px;
  height: 18px;
  border: 3px solid var(--gold);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  display: inline-block;
}

.nav-cta {
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid rgba(232, 168, 73, 0.45);
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--gold-soft); }

/* ---------- hero ---------- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.5rem 5rem;
  text-align: center;
  position: relative;
}

.arch-frame {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(620px, 86vw);
  height: 100%;
  border: 1px solid rgba(232, 168, 73, 0.22);
  border-bottom: none;
  border-radius: 310px 310px 0 0;
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  letter-spacing: -0.01em;
}
.hero h1 em { color: var(--gold); font-style: italic; }

.hero .sub {
  max-width: 34rem;
  margin: 1.6rem auto 2.4rem;
  color: var(--paper-dim);
  font-size: 1.1rem;
}

/* ---------- waitlist form ---------- */
.waitlist-form {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.waitlist-form input[type="email"] {
  background: var(--ink-soft);
  border: 1px solid rgba(244, 236, 221, 0.2);
  color: var(--paper);
  font: inherit;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  width: min(20rem, 100%);
  outline: none;
}
.waitlist-form input[type="email"]:focus { border-color: var(--gold); }

.waitlist-form button {
  background: var(--gold);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  border: none;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.2s;
}
.waitlist-form button:hover { transform: translateY(-1px); }
.waitlist-form button:disabled { opacity: 0.6; cursor: wait; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-note { margin-top: 0.9rem; font-size: 0.85rem; color: var(--paper-dim); min-height: 1.3em; }
.form-note.ok { color: var(--gold); }
.form-note.err { color: #e07a5f; }

/* ---------- strip ---------- */
.strip {
  border-top: 1px solid rgba(244, 236, 221, 0.1);
  border-bottom: 1px solid rgba(244, 236, 221, 0.1);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 3.5rem;
  padding: 1.4rem 1.5rem;
  font-size: 0.95rem;
  color: var(--paper-dim);
}

.strip-item { display: flex; align-items: center; gap: 0.6rem; }

.strip-num {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ---------- vision sections ---------- */
.vision {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.vision.flip .vision-text { order: 2; }
.vision.flip .vision-art { order: 1; }

.kicker {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.vision h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 1.1rem; }
.vision p { color: var(--paper-dim); margin-bottom: 1rem; }
.vision p em { color: var(--paper); }

.feature-list { list-style: none; color: var(--paper-dim); }
.feature-list li { padding-left: 1.4rem; position: relative; margin-bottom: 0.9rem; }
.feature-list li::before { content: "◠"; position: absolute; left: 0; color: var(--gold); }
.feature-list strong { color: var(--paper); font-weight: 600; }

/* ---------- art: devices ---------- */
.vision-art { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }

.device {
  background: var(--ink-soft);
  border: 1px solid rgba(244, 236, 221, 0.14);
  border-radius: 14px;
  padding: 1.3rem 1.4rem 1rem;
  width: min(300px, 100%);
}

.device-line { height: 9px; border-radius: 5px; background: rgba(244, 236, 221, 0.22); margin-bottom: 0.65rem; }
.device-line.w90 { width: 90%; }
.device-line.w100 { width: 100%; }
.device-line.w95 { width: 95%; }
.device-line.w60 { width: 60%; }
.device-line.w0 { width: 0; margin-bottom: 0.3rem; }
.device-line.hl { background: var(--gold); }
.device-line.dim { background: rgba(244, 236, 221, 0.09); }

.device-label { font-size: 0.75rem; color: var(--paper-dim); letter-spacing: 0.04em; }

.sync-arc { color: var(--gold); width: 90px; opacity: 0.9; }

.audio-bars { display: flex; align-items: flex-end; gap: 5px; height: 36px; margin-bottom: 0.8rem; }
.audio-bars i { width: 6px; background: var(--gold); border-radius: 3px; animation: pulse 1.2s ease-in-out infinite; }
.audio-bars i:nth-child(1) { height: 40%; animation-delay: 0s; }
.audio-bars i:nth-child(2) { height: 75%; animation-delay: 0.15s; }
.audio-bars i:nth-child(3) { height: 55%; animation-delay: 0.3s; }
.audio-bars i:nth-child(4) { height: 95%; animation-delay: 0.45s; }
.audio-bars i:nth-child(5) { height: 60%; animation-delay: 0.6s; }
.audio-bars i:nth-child(6) { height: 80%; animation-delay: 0.75s; }
.audio-bars i:nth-child(7) { height: 45%; animation-delay: 0.9s; }

@keyframes pulse { 0%, 100% { transform: scaleY(0.7); } 50% { transform: scaleY(1); } }

.audio-progress { height: 5px; border-radius: 3px; background: rgba(244, 236, 221, 0.14); margin-bottom: 0.7rem; position: relative; }
.audio-progress span { position: absolute; inset: 0; width: 62%; background: var(--gold); border-radius: 3px; }

/* ---------- art: compare ---------- */
.compare { display: flex; gap: 1rem; width: 100%; justify-content: center; flex-wrap: wrap; }

.compare-col {
  background: var(--ink-soft);
  border: 1px solid rgba(244, 236, 221, 0.14);
  border-radius: 14px;
  padding: 1.2rem;
  width: 215px;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.compare-col.new { border-color: rgba(232, 168, 73, 0.5); }

.compare-head { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--paper-dim); }
.compare-col.new .compare-head { color: var(--gold); }

.receipt {
  background: rgba(244, 236, 221, 0.07);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.88rem;
}
.receipt.gold { background: var(--gold-soft); color: var(--gold); font-weight: 600; }

.compare-foot { font-size: 0.78rem; color: var(--paper-dim); margin-top: auto; }

/* ---------- art: chat ---------- */
.chat { display: flex; flex-direction: column; gap: 0.8rem; width: min(360px, 100%); }

.bubble { padding: 0.85rem 1.1rem; border-radius: 14px; font-size: 0.92rem; line-height: 1.5; }
.bubble.q { background: rgba(244, 236, 221, 0.1); align-self: flex-end; border-bottom-right-radius: 4px; max-width: 88%; }
.bubble.a { background: var(--gold-soft); color: var(--paper); align-self: flex-start; border-bottom-left-radius: 4px; border: 1px solid rgba(232, 168, 73, 0.3); max-width: 92%; }

/* ---------- final CTA ---------- */
.cta-final {
  text-align: center;
  padding: 5.5rem 1.5rem;
  border-top: 1px solid rgba(244, 236, 221, 0.1);
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(232, 168, 73, 0.08), transparent);
}

.cta-final h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 1rem; }
.cta-final > p { color: var(--paper-dim); max-width: 30rem; margin: 0 auto 2rem; }

/* ---------- footer ---------- */
.footer {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  padding: 2.2rem 1.5rem;
  font-size: 0.85rem;
  color: var(--paper-dim);
  border-top: 1px solid rgba(244, 236, 221, 0.08);
}
.footer a { color: var(--paper-dim); }

/* ---------- responsive ---------- */
@media (max-width: 780px) {
  .vision { grid-template-columns: 1fr; gap: 2.5rem; padding: 3.5rem 1.5rem; }
  .vision.flip .vision-text { order: 1; }
  .vision.flip .vision-art { order: 2; }
  .hero { padding: 3.5rem 1.5rem 4rem; }
  .strip { flex-direction: column; align-items: center; gap: 0.8rem; }
}