:root {
  --bg: #f7f6f2;
  --bg-2: #efeee9;
  --ink: #0d0d0d;
  --ink-2: #4a4a48;
  --ink-3: #8a8a86;
  --glass: rgba(255,255,255,0.55);
  --glass-stroke: rgba(255,255,255,0.7);
  --accent: #ff5b1f;
  --sapphire: #0a2240;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }
html, body { background: var(--bg); color: var(--ink); font-family: 'Inter', system-ui, sans-serif; }
body {
  background:
    radial-gradient(1200px 600px at 20% -10%, #fde6d8 0%, transparent 60%),
    radial-gradient(800px 500px at 110% 10%, #d8e2ff 0%, transparent 60%),
    radial-gradient(900px 500px at 50% 120%, #f2e7c7 0%, transparent 60%),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}
.serif { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; letter-spacing: -0.02em; }
.italic { font-style: italic; }
a { color: inherit; text-decoration: none; }

/* ─── NAV ─── */
nav {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 50; display: flex; align-items: center; gap: 28px;
  padding: 10px 22px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-stroke);
  box-shadow: 0 10px 30px rgba(10,10,10,0.06), inset 0 1px 0 rgba(255,255,255,0.9);
}
nav .logo { font-family: 'Instrument Serif'; font-size: 22px; letter-spacing: 0.02em; }
nav ul { display: flex; gap: 22px; list-style: none; font-size: 13.5px; color: var(--ink-2); }
nav ul li:hover { color: var(--ink); cursor: pointer; }
nav .cta-ghost {
  padding: 7px 14px; border-radius: 999px; font-size: 13px;
  font-weight: 500; color: var(--ink-2); border: 1px solid rgba(10,10,10,0.12);
  transition: transform .15s ease, color .15s ease;
}
nav .cta-ghost:hover { transform: translateY(-1px); color: var(--ink); }
nav .cta {
  padding: 7px 14px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px;
  font-weight: 500; transition: transform .15s ease;
}
nav .cta:hover { transform: translateY(-1px); }

/* ─── HERO ─── */
.hero {
  padding: 140px 24px 60px;
  max-width: 1200px; margin: 0 auto; text-align: center; position: relative;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-stroke);
  font-size: 12.5px; color: var(--ink-2); margin-bottom: 32px;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(44px, 9vw, 128px); line-height: 0.95; font-weight: 400;
  overflow-wrap: break-word; word-wrap: break-word;
  letter-spacing: -0.04em; margin-bottom: 24px;
}
.hero h1 em { font-style: italic; color: var(--ink-2); font-weight: 400; }
.hero p.lede {
  font-size: clamp(16px, 1.6vw, 20px); color: var(--ink-2);
  max-width: 620px; margin: 0 auto 38px; line-height: 1.55;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  padding: 16px 28px; border-radius: 999px; background: var(--ink); color: #fff;
  font-size: 15px; font-weight: 500; border: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 8px 24px rgba(10,10,10,0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(10,10,10,0.25); }
.btn-ghost {
  padding: 16px 24px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-stroke);
  font-size: 15px; font-weight: 500; color: var(--ink); cursor: pointer;
}

/* ─── PRODUCT VISUAL ─── */
.product-frame {
  margin: 80px auto 0; max-width: 1000px; padding: 40px;
  border-radius: 32px;
  background: var(--glass); backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--glass-stroke);
  box-shadow: 0 30px 80px rgba(10,10,10,0.08), inset 0 1px 0 rgba(255,255,255,0.9);
  position: relative;
}
.glasses-svg { width: 100%; height: auto; display: block; max-width: 780px; margin: 0 auto; }
.annotations {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px;
}
.anno {
  padding: 16px; border-radius: 16px;
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.6);
  font-size: 13px; color: var(--ink-2);
}
.anno b { color: var(--ink); display: block; margin-bottom: 4px; font-weight: 600; }

/* ─── SECTION ─── */
section { padding: 100px 24px; max-width: 1200px; margin: 0 auto; }
section h2 {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px); line-height: 1; letter-spacing: -0.03em;
  margin-bottom: 18px;
}
section h2 em { font-style: italic; color: var(--ink-2); }
section .kicker {
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 11px;
  color: var(--ink-3); font-weight: 600; margin-bottom: 14px;
}
section p.sub { font-size: 17px; color: var(--ink-2); max-width: 640px; line-height: 1.6; }

/* ─── FEATURE GRID ─── */
.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px; margin-top: 50px;
}
.feature {
  padding: 32px; border-radius: 24px;
  background: var(--glass); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-stroke);
  box-shadow: 0 10px 30px rgba(10,10,10,0.04);
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(10,10,10,0.08); }
.feature .ico {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--ink); color: #fff; display: grid; place-items: center;
  margin-bottom: 22px;
}
.feature h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em; }
.feature p { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }

/* ─── SPECS ─── */
.specs-wrap {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  margin-top: 50px;
}
.specs-wrap .pane {
  padding: 40px; border-radius: 28px;
  background: var(--glass); backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-stroke);
}
.specs-list { list-style: none; }
.specs-list li {
  display: flex; justify-content: space-between; padding: 16px 0;
  border-bottom: 1px solid rgba(10,10,10,0.06); font-size: 15px;
}
.specs-list li:last-child { border-bottom: none; }
.specs-list li span:first-child { color: var(--ink-2); }
.specs-list li span:last-child { color: var(--ink); font-weight: 500; }

/* ─── PREORDER ─── */
.preorder {
  margin: 60px auto; max-width: 680px; padding: 60px 40px;
  text-align: center; border-radius: 32px;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 100%);
  color: #fff; position: relative; overflow: hidden;
}
.preorder::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 50% 0%, rgba(255,91,31,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.preorder h2 { color: #fff; }
.preorder h2 em { color: rgba(255,255,255,0.5); }
.preorder p.sub { color: rgba(255,255,255,0.6); margin: 14px auto 30px; }
.price-row {
  display: flex; align-items: baseline; justify-content: center; gap: 14px; margin: 30px 0;
}
.price { font-family: 'Instrument Serif'; font-size: 72px; letter-spacing: -0.03em; }
.price-old { color: rgba(255,255,255,0.4); text-decoration: line-through; font-size: 20px; }
.save-chip {
  padding: 4px 10px; background: var(--accent); color: #fff; border-radius: 999px;
  font-size: 12px; font-weight: 600;
}
.preorder .btn-primary {
  background: #fff; color: var(--ink); width: 100%; max-width: 320px;
  font-size: 16px; padding: 18px 32px;
}
.ship-note { margin-top: 18px; font-size: 12.5px; color: rgba(255,255,255,0.45); }

/* ─── WAITLIST ─── */
#waitlist { padding-bottom: 40px; }
.waitlist-card {
  max-width: 600px; margin: 0 auto; padding: 56px 40px;
  text-align: center; border-radius: 32px;
  background: var(--glass); backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--glass-stroke);
  box-shadow: 0 30px 80px rgba(10,10,10,0.06), inset 0 1px 0 rgba(255,255,255,0.9);
}
.waitlist-card h2 { font-size: clamp(32px, 4.5vw, 52px); }
.waitlist-card .sub { margin: 12px auto 32px; max-width: 460px; font-size: 15.5px; }
.priority-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; margin-bottom: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: #ff5b1f; background: rgba(255,91,31,0.08);
  border: 1px solid rgba(255,91,31,0.18); border-radius: 999px;
}
.priority-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #ff5b1f;
  box-shadow: 0 0 6px rgba(255,91,31,0.5);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(255,91,31,0.5); }
  50% { opacity: .5; box-shadow: 0 0 12px rgba(255,91,31,0.8); }
}
.scarcity {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 auto 24px; padding: 10px 20px;
  font-size: 14px; font-weight: 500; color: var(--ink);
  background: rgba(239,68,68,0.06); border: 1px solid rgba(239,68,68,0.18);
  border-radius: 999px;
  transition: background .3s ease;
}
.scarcity strong {
  color: #ef4444; font-weight: 700; font-size: 16px;
  font-variant-numeric: tabular-nums;
  min-width: 1.6em; text-align: center;
}
.scarcity-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 8px rgba(239,68,68,0.6);
  animation: scarcity-blink 1.5s ease-in-out infinite;
}
@keyframes scarcity-blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(0.8); }
}
.scarcity.urgent { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.25); }
.scarcity.urgent strong { animation: num-pop .35s ease; }
@keyframes num-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.3); }
  100% { transform: scale(1); }
}
.scarcity {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; margin-bottom: 24px;
  border-radius: 999px;
  background: rgba(255,91,31,0.06);
  border: 1px solid rgba(255,91,31,0.15);
  font-size: 14px; color: var(--ink-2);
}
.scarcity strong {
  color: var(--accent); font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.scarcity-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255,91,31,0.5);
  animation: scarcity-pulse 2s ease-in-out infinite;
}
@keyframes scarcity-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(255,91,31,0.5); }
  50% { opacity: .5; box-shadow: 0 0 16px rgba(255,91,31,0.8); }
}
.scarcity strong.tick {
  animation: scarcity-tick .35s ease-out;
}
@keyframes scarcity-tick {
  0% { transform: scale(1); }
  40% { transform: scale(1.25); color: #e04a10; }
  100% { transform: scale(1); }
}

.waitlist-form { max-width: 440px; margin: 0 auto; }
.waitlist-input-wrap {
  display: flex; gap: 8px; align-items: stretch;
}
.waitlist-input-wrap input {
  flex: 1; min-width: 0;
  padding: 14px 18px; border-radius: 999px;
  border: 1.5px solid rgba(10,10,10,0.12);
  background: #fff; font-size: 15px; font-family: inherit;
  color: var(--ink); outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.waitlist-input-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,91,31,0.12);
}
.waitlist-input-wrap input::placeholder { color: var(--ink-3); }
.waitlist-btn {
  padding: 14px 24px; font-size: 14.5px; white-space: nowrap; flex-shrink: 0;
}
.waitlist-msg {
  margin-top: 12px; font-size: 13.5px; min-height: 20px;
  transition: opacity .2s ease;
}
.waitlist-msg.success { color: #16a34a; }
.waitlist-msg.error { color: #dc2626; }
.waitlist-fine {
  margin-top: 18px; font-size: 12px; color: var(--ink-3);
}
@media (max-width: 480px) {
  .waitlist-input-wrap { flex-direction: column; }
  .waitlist-btn { width: 100%; }
  .waitlist-card { padding: 40px 24px; }
  section { padding: 64px 20px; }
  .hero { padding-top: 96px; }
  .preorder-card { padding: 40px 22px; }
  .price { font-size: 56px; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-ghost { width: 100%; }
}

/* ─── FAQ ─── */
.faq-list { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.faq {
  padding: 22px 26px; border-radius: 18px;
  background: var(--glass); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-stroke); cursor: pointer;
}
.faq summary {
  list-style: none; display: flex; justify-content: space-between; align-items: center;
  font-size: 16px; font-weight: 500;
}
.faq summary h3 { font-size: inherit; font-weight: inherit; margin: 0; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 22px; color: var(--ink-2); transition: transform .2s; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { margin-top: 14px; font-size: 14.5px; color: var(--ink-2); line-height: 1.65; }

/* ─── FOOTER ─── */
footer {
  padding: 60px 24px 40px; max-width: 1200px; margin: 0 auto;
  border-top: 1px solid rgba(10,10,10,0.06); text-align: center;
  color: var(--ink-3); font-size: 13px;
}
footer .logo-foot { font-family: 'Instrument Serif'; font-size: 28px; color: var(--ink); margin-bottom: 18px; }
footer .links { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; font-size: 13px; }
footer .links a:hover { color: var(--ink); }

/* ─── RESPONSIVE ─── */
@media (max-width: 820px) {
  nav { gap: 14px; padding: 8px 14px; max-width: calc(100vw - 24px); }
  nav ul { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
  nav .cta-ghost, nav .cta { padding: 9px 14px; font-size: 13px; }
  .hero { padding-top: 110px; }
  .specs-wrap { grid-template-columns: 1fr; }
  .annotations { grid-template-columns: 1fr; }
  .btn-primary, .btn-ghost, .waitlist-btn { min-height: 44px; }
  a, button { touch-action: manipulation; }
}
@media (max-width: 380px) {
  nav ul { display: none; }
  .price { font-size: 48px; }
  section { padding: 56px 16px; }
}

/* ─── LIVE PREORDER COUNTER ─── */
.hero-counter {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 20px; padding: 8px 18px; border-radius: 999px;
  background: rgba(34,197,94,0.06); border: 1px solid rgba(34,197,94,0.15);
  font-size: 14px; color: var(--ink-2);
}
.hero-counter strong { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
.preorder-counter {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; margin-bottom: 8px; border-radius: 999px;
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2);
  font-size: 14px; color: rgba(255,255,255,0.7); position: relative;
}
.preorder-counter strong { color: #fff; font-weight: 700; font-variant-numeric: tabular-nums; }
.counter-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: #22c55e; box-shadow: 0 0 8px rgba(34,197,94,0.6);
  animation: counter-pulse 2s ease-in-out infinite;
}
@keyframes counter-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(34,197,94,0.6); }
  50% { opacity: .5; box-shadow: 0 0 16px rgba(34,197,94,0.8); }
}

/* Subtle lens shimmer */
@keyframes shimmer { 0%,100% { opacity:.6 } 50% { opacity: 1 } }
.lens-shimmer { animation: shimmer 4s ease-in-out infinite; }