/* SPDX-License-Identifier: Apache-2.0 */
:root {
  --bg: #06090f;
  --bg-soft: #0a101a;
  --panel: #0d1522;
  --panel-2: #111c2c;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f3f7fb;
  --muted: #9aa9ba;
  --muted-2: #768596;
  --mint: #a7f3c9;
  --mint-strong: #6ee7a8;
  --mint-dim: rgba(110, 231, 168, 0.14);
  --amber: #f4c56a;
  --violet: #b8a8ff;
  --radius: 18px;
  --max: 1180px;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
figure { margin: 0; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 45% at 15% 0%, rgba(110, 231, 168, 0.11), transparent 60%),
    radial-gradient(45% 40% at 90% 15%, rgba(184, 168, 255, 0.10), transparent 65%),
    radial-gradient(50% 40% at 50% 100%, rgba(244, 197, 106, 0.05), transparent 70%);
  z-index: -1;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { line-height: 1.08; letter-spacing: -0.03em; font-weight: 700; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 14px max(22px, calc((100vw - var(--max)) / 2));
  background: rgba(6, 9, 15, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--mint);
  background: rgba(255, 255, 255, 0.03);
  font-size: 14px;
}
.version {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 2px 7px;
  margin-left: 2px;
}
.nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.nav a:hover { color: var(--text); }
.ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  border-radius: 99px;
  padding: 9px 15px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.ghost:hover { border-color: var(--mint); color: var(--mint); }

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 110px) 22px clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}
.eyebrow, .kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 700;
}
.eyebrow { margin-bottom: 18px; }
h1 {
  font-size: clamp(2.55rem, 5vw, 4.6rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin-bottom: 24px;
}
h1 .accent {
  background: linear-gradient(100deg, var(--mint) 10%, var(--amber) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  max-width: 34rem;
  color: #c4cfdb;
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  line-height: 1.62;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-decoration: none;
  border-radius: 99px;
  padding: 12px 19px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--mint); }
.btn.primary {
  background: var(--mint);
  border-color: var(--mint);
  color: #07110b;
}
.btn.primary:hover { background: #c4f7da; }
.btn.quiet { background: transparent; color: var(--muted); }
.play-icon { font-size: 10px; }
.truth {
  margin-top: 20px;
  color: var(--muted-2);
  font-size: 12.5px;
}

.hero-visual {
  position: relative;
  min-height: 470px;
}
.frame {
  position: absolute;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.frame img { width: 100%; height: 100%; object-fit: cover; }
.frame-main {
  inset: 4% 4% 8% 0;
  border-radius: 18px;
  transform: rotate(-1.4deg);
}
.frame-main .frame-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 11px;
  background: #0a111c;
  border-bottom: 1px solid var(--line);
}
.frame-bar span {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}
.frame-bar em {
  margin-left: auto;
  color: var(--muted-2);
  font-size: 10px;
  font-style: normal;
  letter-spacing: 0.02em;
}
.frame-main img { height: calc(100% - 28px); object-position: 0% 22%; }
.frame-story {
  width: 44%;
  right: -2%;
  top: -3%;
  transform: rotate(2.6deg);
  z-index: 2;
}
.frame-story img { height: 190px; object-position: 0% 18%; }
.frame-work {
  width: 42%;
  left: -4%;
  bottom: -2%;
  transform: rotate(-2.2deg);
  z-index: 3;
}
.frame-work img { height: 180px; object-position: 0% 30%; }
.float-chip {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: 99px;
  border: 1px solid var(--line-strong);
  background: rgba(8, 14, 23, 0.9);
  backdrop-filter: blur(12px);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.8);
}
.chip-approve { right: 2%; bottom: 2%; color: var(--mint); }


.ribbon {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ribbon i {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--mint);
  opacity: 0.55;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(64px, 9vw, 118px) 22px;
}
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head h2 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  margin: 14px 0 16px;
}
.section-head > p:not(.kicker) {
  color: var(--muted);
  max-width: 58ch;
  font-size: 16px;
}
.sim-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--line-strong);
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.form-card {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.form-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.form-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 50% 22%;
  transition: transform 0.5s ease;
}
.form-card:hover img { transform: scale(1.025); }
.form-card figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 42px 20px 18px;
  background: linear-gradient(180deg, transparent, rgba(4, 8, 13, 0.94) 62%);
}
.form-card span { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.form-card p { color: var(--muted); font-size: 13px; margin-top: 3px; }
.fineprint { color: var(--muted-2); font-size: 12px; margin-top: 18px; }

.try { padding-top: clamp(40px, 6vw, 74px); }
.studio {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.studio-controls {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 28, 44, 0.9), rgba(10, 16, 26, 0.9));
}
.step-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 650;
  color: #d9e2ec;
}
.step-label + .step-label, .chips + .step-label, .mini-note + .step-label { margin-top: 24px; }
.step-label b {
  display: grid;
  place-items: center;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: var(--mint-dim);
  color: var(--mint);
  font-size: 11px;
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: #d5dee8;
  border-radius: 99px;
  padding: 7px 11px;
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.chip:hover { border-color: var(--mint); color: var(--mint); }
.chip.is-active { background: var(--mint); border-color: var(--mint); color: #07110b; font-weight: 650; }
.chip:disabled { opacity: 0.3; cursor: not-allowed; }
.mini-note { color: var(--muted-2); font-size: 11.5px; margin: 10px 0 0; }
.branch-btn { margin-top: 2px; }
.branch-btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }
.link-btn {
  display: block;
  margin-top: 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 0;
}
.sim-note { margin-top: 14px; color: var(--amber); font-size: 12px; min-height: 34px; }

.studio-stage { display: grid; gap: 12px; }
.world-preview {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 650;
}
.fixture-badge {
  color: var(--amber);
  border: 1px solid rgba(244, 197, 106, 0.35);
  border-radius: 99px;
  padding: 2px 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
}
.preview-image { background: #05080d; }
.preview-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: 50% 20%; }
.preview-meta { padding: 16px 18px 18px; }
.preview-meta h3 { font-size: 22px; margin-bottom: 4px; }
.preview-meta p { color: var(--muted); font-size: 13.5px; max-width: 60ch; }
.surface-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.surface-list .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 4px 9px;
  color: var(--mint);
  font-size: 11px;
}
.surface-list .tag img {
  width: 20px; height: 20px;
  border-radius: 5px;
  object-fit: cover;
}
.approval-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid rgba(110, 231, 168, 0.28);
  border-radius: 13px;
  background: rgba(110, 231, 168, 0.07);
  color: var(--mint);
  font-size: 13px;
  animation: rise 0.25s ease both;
}
.approval-strip .check {
  display: grid; place-items: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--mint);
  color: #07110b;
  font-size: 11px;
  font-weight: 800;
}
.branch-panel {
  border: 1px solid rgba(244, 197, 106, 0.28);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(244, 197, 106, 0.045);
  animation: rise 0.3s ease both;
}
.lineage {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--muted);
}
.node {
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  padding: 4px 10px;
  color: var(--text);
}
.node.child { border-color: var(--amber); color: var(--amber); }
.line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-strong), var(--amber)); }
.branch-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}
.branch-card img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.branch-card h4 { font-size: 16px; margin-bottom: 2px; }
.branch-card p { color: var(--muted); font-size: 12.5px; }
.tag {
  display: inline-block;
  margin-top: 7px;
  color: var(--amber);
  font-size: 11px;
  border: 1px solid rgba(244, 197, 106, 0.3);
  border-radius: 99px;
  padding: 2px 8px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
}
.split-copy h2 { font-size: clamp(2rem, 3.7vw, 3.1rem); margin: 14px 0 16px; }
.split-copy > p:not(.kicker) { color: var(--muted); max-width: 52ch; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.badges span {
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 5px 11px;
  color: var(--muted);
  font-size: 11.5px;
}
.split-visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.split-visual img { width: 100%; height: auto; }
.split-visual figcaption {
  padding: 11px 15px;
  color: var(--muted-2);
  font-size: 11.5px;
  border-top: 1px solid var(--line);
}
.branch-section .split-visual img { aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 20%; }
.trust { grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); }
.ai-visual img { max-height: 600px; object-fit: cover; object-position: 50% 8%; }
.ticks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; }
.ticks li {
  position: relative;
  padding-left: 22px;
  color: #c2ccd7;
  font-size: 13.5px;
}
.ticks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--mint);
  font-weight: 800;
}

.get-started { padding-top: clamp(50px, 7vw, 90px); }
.cta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.cta-card {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.025);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.cta-card:hover {
  border-color: var(--mint);
  background: rgba(110, 231, 168, 0.05);
  transform: translateY(-2px);
}
.cta-card b { font-size: 16px; display: block; margin-bottom: 4px; }
.cta-card p { color: var(--muted); font-size: 12.5px; max-width: 34ch; }
.cta-arrow { position: absolute; top: 16px; right: 17px; color: var(--mint); font-size: 15px; }

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 22px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 12px;
}
.footer p { max-width: 88ch; }
.footer p + p { margin-top: 12px; }
.footer a { color: var(--muted); text-underline-offset: 3px; }
.footer b { color: var(--text); }

dialog {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
  max-width: min(960px, 94vw);
  width: 100%;
}
dialog::backdrop { background: rgba(2, 5, 10, 0.82); backdrop-filter: blur(6px); }
.dialog-inner {
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: #070c14;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 15px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.dialog-close {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  border-radius: 99px;
  padding: 5px 11px;
  font-size: 11px;
  cursor: pointer;
}
.dialog-inner video { width: 100%; display: block; background: #000; }
.dialog-note { padding: 11px 15px; color: var(--muted-2); font-size: 11.5px; }

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes rise {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-visual { min-height: 430px; max-width: 680px; width: 100%; margin: 6px auto 0; }
  .nav { display: none; }
  .topbar { gap: 12px; }
  .brand { margin-right: auto; }
  .studio { grid-template-columns: 1fr; }
  .studio-controls { order: 1; }
  .studio-stage { order: 2; }
  .split, .trust { grid-template-columns: 1fr; }
  .trust .split-visual { order: 2; }
  .ai-visual img { max-height: 520px; }
  .branch-section .split-visual { order: 2; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .topbar { padding: 12px 16px; }
  .version { display: none; }
  .hero { padding: 38px 16px 30px; }
  .eyebrow { font-size: 10px; letter-spacing: 0.08em; }
  .eyebrow-ai { display: none; }
  h1 { font-size: clamp(2.45rem, 12vw, 3.5rem); }
  .hero-actions { gap: 8px; }
  .btn { padding: 11px 15px; font-size: 13px; }
  .hero-visual { min-height: 0; margin-top: 22px; }
  .frame-main { position: relative; inset: auto; width: 100%; transform: none; border-radius: 14px; }
  .frame-main img { height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: left top; }
  .frame-story, .frame-work { display: none; }
  .float-chip { font-size: 10.5px; padding: 6px 9px; }
  .chip-approve { right: 8px; bottom: -12px; }
  .ribbon { gap: 9px; font-size: 10px; letter-spacing: 0.1em; padding: 15px 16px; }
  .section { padding: 56px 16px; }
  .form-grid { grid-template-columns: 1fr; gap: 10px; }
  .form-card img { aspect-ratio: 16 / 10; }
  .form-card figcaption { padding: 34px 15px 14px; }
  .studio-controls { padding: 17px; }
  .preview-meta { padding: 13px 14px 15px; }
  .preview-meta h3 { font-size: 19px; }
  .branch-card { grid-template-columns: 100px minmax(0, 1fr); }
  .branch-card img { height: 82px; }
  .cta-grid { grid-template-columns: 1fr; }
  .footer { padding: 28px 16px 40px; }
  .split-visual figcaption { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}