/* Chamber landing page. Ember on void, serif declarations, grain. */

:root {
  --bg: #0A0A0C;
  --surface: #131417;
  --surface-2: #1B1D22;
  --hairline: rgba(255, 255, 255, 0.08);
  --ink: #EFEDE6;
  --mut: #9BA0A8;
  --faint: rgba(239, 237, 230, 0.35);
  --accent: #FF5C1A;
  --accent-2: #FFB454;
  --good: #34D399;
  --bad: #F87171;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(255, 92, 26, 0.4); }

.grain {
  position: fixed; inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.045;
  pointer-events: none;
  z-index: 100;
  animation: grain-shift 1.6s steps(4) infinite;
}
@keyframes grain-shift { 0%,100% { transform: translate(0,0);} 25% { transform: translate(-2%,1%);} 50% { transform: translate(1%,-1.5%);} 75% { transform: translate(-1%,2%);} }

/* ------------------------------------------------------------------ nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  background: linear-gradient(180deg, rgba(10, 10, 12, 0.85), rgba(10, 10, 12, 0));
  backdrop-filter: blur(2px);
}
.wordmark {
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--ink); text-decoration: none;
  font-weight: 650; letter-spacing: 0.16em; font-size: 13px; text-transform: uppercase;
}
.wordmark.dim { color: var(--mut); }
.nav nav { display: flex; gap: clamp(14px, 3vw, 34px); }
.nav nav a {
  color: var(--mut); text-decoration: none; font-size: 13.5px; font-weight: 500;
  transition: color 0.15s;
}
.nav nav a:hover { color: var(--ink); }

/* ------------------------------------------------------------------ ctas */
.cta {
  display: inline-flex; align-items: center; gap: 9px;
  background: linear-gradient(135deg, #FF5C1A, #F0821E);
  color: #170A03; text-decoration: none;
  font-weight: 650; font-size: 15px;
  padding: 13px 26px; border-radius: 999px;
  border: none; cursor: pointer;
  box-shadow: 0 6px 32px rgba(255, 92, 26, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 10px 44px rgba(255, 92, 26, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
.cta.sm { padding: 9px 18px; font-size: 13px; }
.cta.wide { justify-content: center; width: 100%; }
.beta-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(23, 10, 3, 0.25); padding: 2px 8px; border-radius: 999px;
}
.ghost-link { color: var(--mut); text-decoration: none; font-size: 14.5px; transition: color 0.15s; }
.ghost-link:hover { color: var(--ink); }
.ghost-btn {
  display: inline-flex; justify-content: center; width: 100%;
  padding: 12px 20px; border-radius: 999px;
  border: 1px solid var(--hairline); color: var(--ink);
  text-decoration: none; font-weight: 600; font-size: 14px;
  transition: border-color 0.15s, background 0.15s;
}
.ghost-btn:hover { border-color: rgba(255, 255, 255, 0.2); background: var(--surface-2); }

/* ------------------------------------------------------------------ hero */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 24px 40px;
  position: relative;
}
.hero-ring { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.hero-ring svg { width: min(78vh, 700px); height: min(78vh, 700px); opacity: 0.9; }
.hr-track { fill: none; stroke: rgba(255, 255, 255, 0.05); stroke-width: 1.5; }
.hr-arc {
  fill: none; stroke: url(#hg); stroke-width: 2;
  stroke: rgba(255, 92, 26, 0.5);
  stroke-linecap: round;
  stroke-dasharray: 1659;
  stroke-dashoffset: 470;
  transform: rotate(-90deg); transform-origin: center;
  filter: drop-shadow(0 0 14px rgba(255, 92, 26, 0.5));
  animation: ring-breathe 7s ease-in-out infinite;
}
@keyframes ring-breathe {
  0%, 100% { stroke-dashoffset: 470; opacity: 0.75; }
  50% { stroke-dashoffset: 380; opacity: 1; }
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-2);
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 11.5vw, 132px);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin: 26px 0 30px;
}
.hero h1 span { display: block; }
.hero h1 em {
  font-style: italic;
  background: linear-gradient(120deg, #FF5C1A 10%, #FFB454 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: 0.06em;
}
.hero-sub { max-width: 560px; color: var(--mut); font-size: 17px; }
.hero-ctas { display: flex; align-items: center; gap: 26px; margin-top: 38px; flex-wrap: wrap; justify-content: center; }

.hero-card {
  margin-top: 64px;
  width: min(430px, calc(100vw - 48px));
  background: rgba(19, 20, 23, 0.75);
  backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-radius: 22px;
  padding: 22px 26px 26px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55), 0 0 80px rgba(255, 92, 26, 0.07);
  text-align: center;
}
.hc-top { display: flex; align-items: center; gap: 8px; justify-content: center; flex-wrap: wrap; }
.hc-sig {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 550; color: var(--good);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 4px 11px; border-radius: 999px;
}
.hc-sig.rec { color: var(--accent-2); border-color: rgba(255, 92, 26, 0.35); }
.hc-kind { font-size: 11.5px; color: var(--faint); margin-left: 4px; }
.dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.dot.good { background: var(--good); box-shadow: 0 0 8px var(--good); }
.dot.rec { background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: blink 1.6s ease-in-out infinite; }
.dot.bad { background: var(--bad); }
@keyframes blink { 50% { opacity: 0.35; } }
.hc-timer {
  font-family: var(--sans);
  font-size: 86px; font-weight: 200; line-height: 1.05;
  letter-spacing: 0.01em; font-variant-numeric: tabular-nums;
  margin-top: 12px;
  background: linear-gradient(180deg, #F5F2EA, #B4AFA1);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hc-sub { color: var(--faint); font-size: 12px; letter-spacing: 0.05em; }
.hc-meta { margin-top: 14px; font-size: 13px; color: var(--mut); display: flex; gap: 8px; justify-content: center; }
.hc-meta b { color: var(--accent-2); font-weight: 600; }

/* --------------------------------------------------------------- marquee */
.marquee { overflow: hidden; border-block: 1px solid var(--hairline); padding: 13px 0; }
.marquee-inner {
  display: flex; gap: 28px; width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint);
}
.marquee-inner i { color: var(--accent); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ------------------------------------------------------------- sections */
section { padding: clamp(90px, 12vw, 150px) clamp(20px, 6vw, 72px); max-width: 1180px; margin: 0 auto; }
.sec-head { max-width: 640px; margin-bottom: clamp(40px, 6vw, 70px); }
.sec-head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(38px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.01em;
  margin-top: 18px;
}
.sec-head h2 em {
  background: linear-gradient(120deg, #FF5C1A 10%, #FFB454 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sec-sub { color: var(--mut); margin-top: 18px; max-width: 520px; }

/* ------------------------------------------------------------ manifesto */
.manifesto { text-align: center; }
.stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  border-block: 1px solid var(--hairline);
  padding: 34px 8px;
  margin-bottom: clamp(60px, 9vw, 110px);
}
.stats-strip b {
  display: block;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(38px, 5vw, 58px); line-height: 1;
  color: var(--ink);
}
.stats-strip b em { font-style: italic; color: var(--accent); font-size: 0.6em; }
.stats-strip span { display: block; margin-top: 8px; color: var(--faint); font-size: 12.5px; }
.stats-strip sup { color: var(--accent); }
.manifesto-lines { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 28px; }
.m-line {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(26px, 4vw, 42px); line-height: 1.2;
  color: var(--mut);
}
.m-line em { font-style: italic; color: var(--ink); }
.m-line.strong { color: var(--ink); }
.m-line.strong em { color: var(--accent-2); }
.foot-cite { margin-top: 52px; font-size: 11.5px; color: var(--faint); font-family: var(--mono); }

/* ---------------------------------------------------------------- steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 22px;
  padding: 30px 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.step:hover { transform: translateY(-4px); border-color: rgba(255, 92, 26, 0.3); }
.step-no { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.15em; }
.step h3 { font-family: var(--serif); font-weight: 400; font-size: 30px; }
.step p { color: var(--mut); font-size: 14.5px; flex: 1; }
.step p b, .step p i { color: var(--ink); font-style: normal; }
.step-visual { margin-top: 10px; border-top: 1px dashed var(--hairline); padding-top: 16px; }
.sv-types { display: flex; flex-wrap: wrap; gap: 7px; }
.tile {
  font-size: 12px; font-weight: 550; color: var(--mut);
  border: 1px solid var(--hairline); border-radius: 9px; padding: 6px 11px;
}
.tile.sel { color: var(--accent-2); border-color: rgba(255, 92, 26, 0.45); background: rgba(255, 92, 26, 0.09); }
.sv-row { display: flex; align-items: center; gap: 9px; font-size: 13px; font-variant-numeric: tabular-nums; padding: 5px 0; }
.sv-row.dim { color: var(--faint); }
.sv-file { font-family: var(--mono); font-size: 12px; color: var(--mut); padding: 8px 0 10px; }
.sv-file em { color: var(--accent-2); font-style: normal; }
.sv-ring { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--mut); }
.sv-ring svg { width: 34px; height: 34px; }
.svr-t { fill: none; stroke: var(--surface-2); stroke-width: 4; }
.svr-a {
  fill: none; stroke: var(--accent); stroke-width: 4; stroke-linecap: round;
  stroke-dasharray: 100.5; stroke-dashoffset: 25;
  transform: rotate(-90deg); transform-origin: center;
}

/* ---------------------------------------------------------------- proof */
.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.p-card {
  border: 1px solid var(--hairline); border-radius: 22px; padding: 30px 30px;
  background: linear-gradient(160deg, rgba(255, 92, 26, 0.05), transparent 40%), var(--surface);
}
.p-card h4 { font-size: 17px; font-weight: 650; margin-bottom: 10px; }
.p-card p { color: var(--mut); font-size: 14.5px; }

/* ------------------------------------------------------------ community */
.community { text-align: left; }
.feed-mocks { display: flex; flex-direction: column; gap: 12px; max-width: 560px; }
.fm {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--hairline); border-radius: 18px;
  padding: 16px 20px;
}
.fm > div { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.fm b { font-size: 14px; }
.fm-line { color: var(--mut); font-size: 13px; }
.fm-av {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13.5px; font-weight: 650;
  background: hsl(var(--h), 45%, 22%); color: hsl(var(--h), 75%, 75%);
}
.fm-tag {
  align-self: flex-start; margin-top: 4px;
  font-size: 10.5px; font-weight: 650; letter-spacing: 0.05em; text-transform: uppercase;
  border: 1px solid var(--hairline); color: var(--mut);
  padding: 2px 9px; border-radius: 999px;
}
.fm-tag.pub { color: var(--good); border-color: rgba(52, 211, 153, 0.3); }
.fm-tag.streak { color: var(--accent-2); border-color: rgba(255, 92, 26, 0.4); }
.fm-cheer { color: var(--accent-2); font-weight: 650; font-size: 14px; font-variant-numeric: tabular-nums; }

/* -------------------------------------------------------------- pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.price-card {
  border: 1px solid var(--hairline); border-radius: 24px; padding: 32px 30px;
  background: var(--surface);
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.price-card.featured {
  border-color: rgba(255, 92, 26, 0.5);
  background: linear-gradient(175deg, rgba(255, 92, 26, 0.09), transparent 45%), var(--surface);
  box-shadow: 0 30px 80px rgba(255, 92, 26, 0.09);
}
.feat-tag {
  position: absolute; top: -13px; left: 30px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  background: linear-gradient(135deg, #FF5C1A, #F0821E); color: #170A03;
  padding: 4px 13px; border-radius: 999px;
}
.price-card h4 { font-family: var(--serif); font-weight: 400; font-size: 26px; }
.price { display: flex; align-items: baseline; gap: 10px; }
.price b { font-size: 52px; font-weight: 300; letter-spacing: -0.02em; }
.price span { color: var(--faint); font-size: 12px; line-height: 1.4; }
.price-note { color: var(--accent-2); font-size: 13px; margin-top: -8px; }
.price-card ul { list-style: none; flex: 1; display: flex; flex-direction: column; gap: 9px; }
.price-card li { color: var(--mut); font-size: 14px; padding-left: 22px; position: relative; }
.price-card li::before { content: '·'; position: absolute; left: 0; color: var(--accent); }
.price-foot { text-align: center; color: var(--faint); font-size: 13.5px; margin-top: 40px; }
.price-foot b { color: var(--mut); }

/* ------------------------------------------------------------------ faq */
.faq { max-width: 780px; }
.faq-list { display: flex; flex-direction: column; }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary {
  cursor: pointer; list-style: none;
  font-family: var(--serif); font-size: clamp(20px, 3vw, 26px); font-weight: 400;
  padding: 26px 40px 26px 0;
  position: relative;
  transition: color 0.15s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-family: var(--sans); font-weight: 300; font-size: 26px;
  transition: transform 0.2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--accent-2); }
.faq details p { color: var(--mut); padding: 0 60px 26px 0; font-size: 15px; }

/* --------------------------------------------------------------- access */
.access { text-align: center; }
.access-inner {
  border: 1px solid var(--hairline); border-radius: 32px;
  padding: clamp(50px, 8vw, 90px) clamp(24px, 6vw, 80px);
  background:
    radial-gradient(600px 300px at 50% 120%, rgba(255, 92, 26, 0.16), transparent 65%),
    var(--surface);
}
.access h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 7vw, 72px); }
.access h2 em {
  background: linear-gradient(120deg, #FF5C1A 10%, #FFB454 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.access p { color: var(--mut); max-width: 460px; margin: 18px auto 0; }
.access-form { display: flex; gap: 12px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.access-form input {
  background: var(--bg); border: 1px solid var(--hairline); border-radius: 999px;
  color: var(--ink); font-family: var(--sans); font-size: 15px;
  padding: 13px 22px; width: min(320px, 100%);
  outline: none; transition: border-color 0.15s;
}
.access-form input:focus { border-color: rgba(255, 92, 26, 0.55); }
.access-form .ok { color: var(--good); font-size: 16px; }
.access-ctas { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 30px; flex-wrap: wrap; }
.ghost-btn.inline { width: auto; padding: 13px 22px; }

/* --------------------------------------------------------------- download */
.dl-note { margin-top: 16px; font-size: 13px; color: var(--faint); }
.dl-note a { color: var(--mut); text-decoration: underline; text-underline-offset: 3px; }
.dl-note a:hover { color: var(--ink); }

/* -------------------------------------------------------------- first run */
.run-steps { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: 20px; max-width: 720px; }
.run-steps li {
  counter-increment: step;
  position: relative; padding-left: 52px;
  color: var(--mut); font-size: 15.5px; line-height: 1.62;
}
.run-steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: -2px;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 13px;
  color: var(--accent); border: 1px solid rgba(255, 92, 26, 0.4);
  background: rgba(255, 92, 26, 0.07);
}
.run-steps b { color: var(--ink); font-weight: 600; }
.run-code {
  display: block; margin-top: 10px;
  font-family: var(--mono); font-size: 13px; color: var(--accent-2);
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 10px; padding: 11px 14px;
  overflow-x: auto; user-select: all;
}
.run-fine { margin-top: 34px; font-size: 13px; color: var(--faint); }
.faq details code {
  font-family: var(--mono); font-size: 13px; color: var(--accent-2);
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 6px; padding: 1px 6px;
}
.wl-err { width: 100%; color: var(--bad); font-size: 13px; }
.access-fine { font-size: 12.5px; color: var(--faint); margin-top: 22px; }

/* --------------------------------------------------------------- footer */
.footer {
  border-top: 1px solid var(--hairline);
  padding: 34px clamp(20px, 6vw, 72px);
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  max-width: 1180px; margin: 0 auto;
}
.footer > div { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 22px; }
.foot-links a { color: var(--mut); text-decoration: none; font-size: 13px; }
.foot-links a:hover { color: var(--ink); }
.foot-copy { color: var(--faint); font-size: 12.5px; }

/* -------------------------------------------------------------- reveals */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: none; }
.no-anim .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
.no-anim .hr-arc, .no-anim .marquee-inner, .no-anim .grain, .no-anim .dot.rec { animation: none !important; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 900px) {
  .nav nav { display: none; }
  .steps, .price-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); gap: 30px 12px; }
  .hc-timer { font-size: 64px; }
}