:root {
  --ink: #181c2a;
  --paper: #f4f2ec;
  --card: #fffdf7;
  --accent: #f5b301;
  --ink-70: rgba(24, 28, 42, 0.72);
  --ink-45: rgba(24, 28, 42, 0.45);
  --ink-12: rgba(24, 28, 42, 0.12);
  --rail-w: 132px;
  --topbar-h: 58px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: "Atkinson Hyperlegible", sans-serif;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(var(--ink-12) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.mono { font-family: "IBM Plex Mono", monospace; }

/* ---------- Floating Geometry ---------- */
.geo-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.geo { position: absolute; opacity: 0.28; will-change: transform; animation: drift linear infinite; }
.geo-circle { border-radius: 50%; border: 2.5px solid; background: transparent; }
.geo-square { border: 2.5px solid; }
.geo-triangle {
  width: 0 !important; height: 0 !important;
  background: transparent !important;
  border-left: solid transparent;
  border-right: solid transparent;
  border-bottom: solid;
}
.geo-accent { border-color: var(--accent); }
.geo-triangle.geo-accent { border-bottom-color: var(--accent); border-left-color: transparent; border-right-color: transparent; }
.geo-ink { border-color: var(--ink); opacity: 0.14; }
.geo-triangle.geo-ink { border-bottom-color: var(--ink); border-left-color: transparent; border-right-color: transparent; }

@keyframes drift {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(28px, -34px) rotate(60deg); }
  50%  { transform: translate(-18px, -12px) rotate(140deg); }
  75%  { transform: translate(-30px, 30px) rotate(240deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

/* ---------- Topbar ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  z-index: 50;
  background: rgba(244, 242, 236, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-12);
}
.topbar-inner {
  height: var(--topbar-h);
  max-width: 1280px; margin: 0 auto;
  padding: 0 22px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  background: none; border: none; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--ink);
  letter-spacing: -0.02em;
}
.brand-dot {
  width: 9px; height: 9px; border-radius: 2px;
  background: var(--accent); display: inline-block;
  box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.2);
}
.top-nav { display: flex; align-items: center; gap: 8px; }
.top-link {
  background: none; border: none; cursor: pointer;
  font-size: 13px; color: var(--ink-70); padding: 8px 12px;
  border-radius: 8px; transition: color .18s, background .18s;
}
.top-link:hover { color: var(--ink); background: rgba(24,28,42,0.05); }
.top-cta {
  background: var(--ink); color: var(--paper);
  border: none; cursor: pointer;
  font-size: 13px; padding: 9px 16px; border-radius: 999px;
  transition: transform .18s, background .18s;
}
.top-cta:hover { transform: translateY(-1px); background: #23283c; }
.menu-btn {
  display: none; background: none; border: 1px solid var(--ink-12);
  border-radius: 8px; width: 40px; height: 36px;
  font-size: 20px; cursor: pointer; color: var(--ink);
}
.progress-track { position: absolute; bottom: -1px; left: 0; right: 0; height: 3px; background: transparent; }
.progress-fill { height: 100%; background: var(--accent); width: 0; transition: width .08s linear; }

/* ---------- Left rail ---------- */
.rail {
  position: fixed;
  top: 50%; left: 26px; transform: translateY(-50%);
  z-index: 40;
  display: flex; flex-direction: column; gap: 4px;
}
.rail-item {
  display: flex; align-items: center; gap: 11px;
  background: none; border: none; cursor: pointer;
  padding: 7px 0; text-align: left;
}
.rail-dot {
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid var(--ink-45);
  transition: all .22s ease;
  flex-shrink: 0;
}
.rail-label {
  font-size: 11px; color: var(--ink-45);
  letter-spacing: 0.04em; text-transform: uppercase;
  opacity: 0; transform: translateX(-4px);
  transition: all .22s ease;
}
.rail-item:hover .rail-label { opacity: 1; transform: translateX(0); }
.rail-item:hover .rail-dot { border-color: var(--ink); }
.rail-active .rail-dot {
  background: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(245, 179, 1, 0.22);
}
.rail-active .rail-label { opacity: 1; transform: translateX(0); color: var(--ink); }

/* ---------- Layout ---------- */
.content {
  position: relative; z-index: 1;
  max-width: 940px;
  margin: 0 auto;
  padding: calc(var(--topbar-h) + 24px) 24px 0;
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal-in { opacity: 1; transform: translateY(0); }

/* ---------- Hero ---------- */
.hero { padding: 74px 0 96px; }
.eyebrow {
  font-size: 12px; color: var(--accent);
  letter-spacing: 0.1em; font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 12ch;
}
.hl {
  color: var(--ink);
  background: linear-gradient(transparent 62%, rgba(245,179,1,0.55) 62%);
  padding: 0 2px;
}
.hero-sub {
  margin-top: 28px;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  color: var(--ink-70);
  max-width: 54ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.stat-row { margin-top: 36px; font-size: 13px; color: var(--ink-45); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dot-sep { color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  cursor: pointer; border: none;
  font-size: 14px; padding: 14px 26px;
  border-radius: 999px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s;
}
.btn-primary {
  background: var(--accent); color: var(--ink); font-weight: 600;
  box-shadow: 0 8px 22px rgba(245,179,1,0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(245,179,1,0.42); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-ghost:hover { transform: translateY(-2px); background: var(--ink); color: var(--paper); }
.btn-lg { padding: 17px 34px; font-size: 15px; }

/* ---------- Sections ---------- */
.section { padding: 70px 0; }
.section-head { margin-bottom: 42px; }
.section-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 800; letter-spacing: -0.025em;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.02;
  margin-top: 8px;
}

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--ink-12);
  border-radius: 16px;
  padding: 26px 24px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(245,179,1,0.6);
  box-shadow: 0 14px 30px rgba(24,28,42,0.08);
}
.card-n { font-size: 12px; color: var(--accent); font-weight: 600; letter-spacing: 0.05em; }
.card-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 600; font-size: 1.28rem;
  margin: 10px 0 8px; letter-spacing: -0.02em;
}
.card-body { font-size: 0.96rem; color: var(--ink-70); }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 12px; }
.timeline-line {
  position: absolute; left: 30px; top: 12px; bottom: 12px;
  width: 2px; background: var(--ink-12);
}
.step {
  position: relative; display: flex; gap: 22px;
  padding: 16px 0;
}
.step-num {
  flex-shrink: 0; width: 38px; height: 38px;
  border-radius: 50%; background: var(--paper);
  border: 2px solid var(--accent); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15px; z-index: 1;
  box-shadow: 0 0 0 5px var(--paper);
}
.step-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 600; font-size: 1.25rem; letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.step-text { color: var(--ink-70); font-size: 0.98rem; max-width: 56ch; }

/* ---------- CTA ---------- */
.cta-panel {
  background: linear-gradient(135deg, rgba(245,179,1,0.16), rgba(245,179,1,0.06));
  border: 1px solid rgba(245,179,1,0.5);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
}
.cta-eyebrow { color: var(--ink-45); }
.cta-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 800; letter-spacing: -0.025em;
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  line-height: 1.05; max-width: 20ch; margin: 8px auto 30px;
}
.cta-note { margin-top: 20px; font-size: 12px; color: var(--ink-45); }

/* ---------- Footer ---------- */
.footer {
  position: relative; z-index: 1;
  margin-top: 80px;
  background: var(--ink); color: var(--paper);
}
.footer-grid {
  max-width: 940px; margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
}
.footer-logo { color: var(--paper); font-size: 15px; }
.footer-tag { margin-top: 14px; color: rgba(244,242,236,0.6); font-size: 0.95rem; max-width: 32ch; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-h { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.footer-col a, .footer-col button {
  color: rgba(244,242,236,0.75); text-decoration: none;
  font-size: 0.95rem; background: none; border: none;
  cursor: pointer; text-align: left; padding: 0;
  font-family: "Atkinson Hyperlegible", sans-serif;
  transition: color .18s;
}
.footer-col a:hover, .footer-col button:hover { color: var(--accent); }
.footer-bottom {
  max-width: 940px; margin: 0 auto;
  padding: 20px 24px 40px;
  border-top: 1px solid rgba(244,242,236,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12px; color: rgba(244,242,236,0.5);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 90;
  background: var(--ink); color: var(--paper);
  padding: 14px 20px; border-radius: 14px;
  display: flex; align-items: center; gap: 12px;
  max-width: 90vw; box-shadow: 0 12px 34px rgba(24,28,42,0.3);
  animation: toastin .4s cubic-bezier(.16,1,.3,1);
  font-size: 0.92rem;
}
.toast-badge {
  background: var(--accent); color: var(--ink);
  font-size: 10px; font-weight: 600; padding: 3px 8px;
  border-radius: 6px; letter-spacing: 0.05em; flex-shrink: 0;
}
@keyframes toastin { from { opacity: 0; transform: translate(-50%, 16px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .rail { display: none; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .top-nav {
    position: absolute; top: var(--topbar-h); right: 0; left: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--paper); border-bottom: 1px solid var(--ink-12);
    padding: 12px 16px; display: none;
  }
  .top-nav.open { display: flex; }
  .top-link, .top-cta { text-align: center; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 48px 0 64px; }
  .cta-panel { padding: 40px 24px; }
}
@media (max-width: 460px) {
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .geo { animation: none; }
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
}