:root {
  --ice: #F7F4FC;
  --cool: #2C2A33;
  --violet: #7C3AED;
  --violet-soft: #8B5CF6;
  --cyan: #06B6D4;
  --wash: #E3E8F2;
  --max: 960px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Montserrat, system-ui, sans-serif;
  color: var(--cool);
  background: linear-gradient(160deg, var(--ice) 0%, var(--wash) 100%);
  min-height: 100vh;
  line-height: 1.55;
  font-size: 17px;
  font-weight: 400;
}

a { color: var(--violet); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark { font-weight: 700; letter-spacing: 0.02em; font-size: 1.15rem; }
.wordmark.small { font-size: 0.95rem; }
.wm-future { color: var(--cool); }
.wm-35 { color: var(--violet); margin-left: 0.15em; }

.nav { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: 0.9rem; font-weight: 500; }
.nav a { color: var(--cool); }
.nav a:hover { color: var(--violet); }

main { max-width: var(--max); margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0 3rem;
}
.kicker {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  max-width: 16ch;
}
.lede { margin: 0 0 1.25rem; max-width: 38rem; font-size: 1.05rem; color: #3d3a45; }
.badge {
  display: inline-block;
  margin: 0;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--violet);
  font-size: 0.75rem;
  font-weight: 600;
}

.hero-viz {
  margin: 0;
  background: #fff;
  border-radius: 1.25rem;
  padding: 1rem 1rem 0.75rem;
  box-shadow: 0 8px 28px rgba(44, 42, 51, 0.06);
}
.hero-viz svg { display: block; width: 100%; height: auto; }
.hero-viz figcaption,
.viz-card figcaption,
.fab-plan figcaption {
  margin: 0.35rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: #6b6775;
}

.panel {
  margin: 1.5rem 0;
  padding: 1.75rem 1.5rem;
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 1px 0 rgba(44, 42, 51, 0.06);
}
.panel.accent {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(124, 58, 237, 0.15);
}
.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
}
.panel p { margin: 0 0 1rem; max-width: 40rem; }
.panel p:last-child { margin-bottom: 0; }

.motifs {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.6rem;
}
.motifs li {
  padding: 0.55rem 0.85rem;
  background: var(--ice);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
}
.motifs li::before {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--violet);
  vertical-align: middle;
}

.viz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.25rem 0;
}
.viz-card {
  margin: 0;
  padding: 0.75rem;
  background: var(--ice);
  border-radius: 0.85rem;
}
.viz-card svg { display: block; width: 100%; height: auto; }

.spectrum {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin: 0.5rem 0 0.75rem;
}
.spectrum-bar {
  height: 3.25rem;
  border-radius: 0.65rem;
  background: var(--c);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.45rem;
}
.spectrum-bar span {
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.viz-note { font-size: 0.8rem; color: #6b6775; max-width: none !important; }

.fab-label { margin: 0 0 0.5rem; font-size: 2rem; font-weight: 700; }
.fab-grey { color: var(--cool); }
.fab-violet { color: var(--violet); }

.flow {
  list-style: none;
  margin: 1.25rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.flow li {
  background: rgba(255,255,255,0.75);
  border-radius: 0.85rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.flow-num {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--violet);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.flow strong { font-size: 0.95rem; }
.flow span:last-child { font-size: 0.8rem; color: #5a5663; }

.fab-plan {
  margin: 1rem 0 0;
  padding: 0.75rem;
  background: rgba(255,255,255,0.65);
  border-radius: 0.85rem;
}
.fab-plan svg { display: block; width: 100%; height: auto; }

.note { font-size: 0.85rem; color: #6b6775; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #6b6775;
  border-top: 1px solid rgba(44, 42, 51, 0.08);
}

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; }
  .viz-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .spectrum { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .nav { gap: 1rem; }
  .spectrum { grid-template-columns: repeat(2, 1fr); }
}

.hero-viz img,
.viz-full img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
}
.viz-full {
  margin: 1.25rem 0 0.75rem;
  padding: 0;
}
.viz-full figcaption {
  margin: 0.5rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: #6b6775;
}

/* FAB gated area */
.fab-login h1 { margin: 0 0 0.75rem; font-size: 1.75rem; }
.fab-form {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: 22rem;
  margin-top: 1.25rem;
}
.fab-form label { font-size: 0.85rem; font-weight: 600; }
.fab-form input[type="password"] {
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(44, 42, 51, 0.18);
  border-radius: 0.6rem;
  font: inherit;
}
.fab-button {
  margin-top: 0.5rem;
  align-self: flex-start;
  background: var(--violet);
  color: #fff;
  border: none;
  border-radius: 0.6rem;
  padding: 0.65rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.fab-button:hover { background: var(--violet-soft); }
.fab-error {
  color: #9f1239;
  background: rgba(159, 18, 57, 0.08);
  padding: 0.6rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
}
.fab-subnav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.fab-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 1rem;
  background: #fff;
  border-radius: 0.85rem;
  border: 1px solid rgba(124, 58, 237, 0.18);
  color: var(--cool);
  text-decoration: none;
}
.fab-card:hover { border-color: var(--violet); text-decoration: none; }
.fab-card strong { color: var(--violet); font-size: 1.05rem; }
.fab-card span { font-size: 0.9rem; color: #5c5866; }