@font-face { font-family: "Plex Sans"; src: url("/fonts/IBMPlexSans-Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Plex Sans"; src: url("/fonts/IBMPlexSans-SemiBold.ttf") format("truetype"); font-weight: 650; font-style: normal; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("/fonts/IBMPlexMono-Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }

:root {
  --ink: #050b14;
  --navy: #091527;
  --panel: #0e1c31;
  --panel-2: #132641;
  --line: rgba(95, 130, 171, 0.34);
  --line-soft: rgba(95, 130, 171, 0.22);
  --white: #ffffff;
  --text: #e8f0fb;
  --muted: #9fb2c9;
  --quiet: #617996;
  --blue: #4e8ddd;
  --cyan: #25c4d8;
  --green: #3dbb7d;
  --amber: #d69b31;
  --red: #e15b64;
  --violet: #8f7cf6;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plex Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 6%, rgba(37, 196, 216, 0.18), transparent 24%),
    radial-gradient(circle at 82% 14%, rgba(143, 124, 246, 0.18), transparent 22%),
    linear-gradient(180deg, #050b14 0%, #091527 42%, #07111f 100%);
  line-height: 1.55;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(115deg, transparent 0 48%, rgba(255, 255, 255, 0.035) 49%, transparent 50%),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px);
  background-size: 220px 220px, 22px 22px;
  mix-blend-mode: screen;
  mask-image: linear-gradient(180deg, black 0%, transparent 72%);
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.funnel-shell { position: relative; z-index: 1; min-height: 100vh; }
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 10px clamp(18px, 4vw, 52px);
  background: linear-gradient(180deg, rgba(7, 16, 29, 0.94), rgba(5, 11, 20, 0.84));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(22px) saturate(1.18);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 238px; }
.brand-mark {
  width: 68px;
  height: 76px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(225, 238, 251, 0.72);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(229, 243, 252, 0.94));
  border-radius: 10px;
  overflow: hidden;
}
.brand-mark img { width: 60px; height: 70px; object-fit: contain; display: block; }
.brand-copy strong {
  display: block;
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.brand-copy span {
  display: block;
  color: var(--quiet);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 16px; color: var(--muted); font-size: 13px; font-weight: 650; }
.nav-links a:hover { color: var(--white); }

.hero {
  padding: 68px clamp(18px, 4vw, 52px) 58px;
  border-bottom: 1px solid var(--line-soft);
}
.hero-grid {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 42px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 900px;
}
h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(26px, 2.8vw, 38px);
  line-height: 1.08;
  letter-spacing: 0;
}
h3 { margin: 0; color: var(--white); font-size: 18px; }
.lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 850;
  font-size: 14px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary {
  color: #07111f;
  background: linear-gradient(135deg, #f0c56a, #d69b31);
  border-color: rgba(255, 232, 178, 0.7);
}
.button.secondary {
  color: var(--text);
  background: rgba(78, 141, 221, 0.14);
  border-color: rgba(78, 141, 221, 0.34);
}
.hero-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(14, 28, 49, 0.94), rgba(5, 11, 20, 0.7));
  box-shadow: var(--shadow);
  padding: 22px;
}
.hero-panel ol {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}
.hero-panel li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--muted);
  font-size: 14px;
}
.hero-panel b {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  color: var(--white);
  background: rgba(37, 196, 216, 0.16);
  border: 1px solid rgba(37, 196, 216, 0.3);
  font-family: "Plex Mono", ui-monospace, monospace;
}

.section { max-width: 1320px; margin: 0 auto; padding: 64px clamp(18px, 4vw, 52px); }
.section.band {
  max-width: none;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(9, 21, 39, 0.74);
}
.section-inner { max-width: 1320px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
  border: 1px solid rgba(95, 130, 171, 0.28);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(14, 28, 49, 0.94), rgba(5, 11, 20, 0.72));
  padding: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045), 0 18px 46px rgba(0, 0, 0, 0.14);
}
.card p, .card li { color: var(--muted); font-size: 14px; }
.card p { margin: 10px 0 0; }
.card ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.card li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--cyan); }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid rgba(78, 141, 221, 0.3);
  border-radius: 999px;
  color: #dbeafe;
  background: rgba(78, 141, 221, 0.12);
  font-size: 12px;
  font-weight: 800;
}
.red-thread {
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
  gap: 8px;
  margin-top: 28px;
}
.thread-step {
  min-height: 112px;
  border: 1px solid rgba(95, 130, 171, 0.3);
  border-radius: 10px;
  padding: 13px;
  background: rgba(14, 28, 49, 0.78);
}
.thread-step b { display: block; color: var(--white); font-size: 13px; }
.thread-step span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.lens-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 28px;
}
.logic-rail { display: grid; gap: 10px; }
.logic-step {
  border: 1px solid rgba(95, 130, 171, 0.28);
  border-radius: 10px;
  padding: 14px;
  background: rgba(19, 38, 65, 0.68);
}
.logic-step strong { color: var(--white); }
.logic-step p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.cta-band {
  text-align: center;
  padding: 66px clamp(18px, 4vw, 52px) 78px;
  border-top: 1px solid var(--line-soft);
}
.cta-band p { margin: 14px auto 0; color: var(--muted); max-width: 700px; }
footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 52px);
  color: var(--quiet);
  font-size: 12px;
  border-top: 1px solid var(--line-soft);
}

.selector-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 28px; }
.selector-card { min-height: 210px; display: flex; flex-direction: column; justify-content: space-between; }
.selector-card:hover { border-color: rgba(37, 196, 216, 0.58); transform: translateY(-1px); }

.blend-toggle { cursor: pointer; text-align: left; color: inherit; background: var(--panel); }
.blend-toggle.selected { border-color: var(--cyan); box-shadow: inset 0 0 0 1px rgba(37, 196, 216, 0.55); }
.blend-toggle .blend-state { align-self: flex-start; }
.blend-toggle.selected .blend-state { background: rgba(37, 196, 216, 0.16); border-color: rgba(37, 196, 216, 0.55); color: var(--text); }
.blend-convergence { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 18px; }
.blend-converge-card { border: 1px solid var(--line); border-left: 3px solid var(--cyan); border-radius: 12px; padding: 14px; background: rgba(37, 196, 216, 0.06); }
.blend-converge-card header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.blend-converge-card h4 { margin: 0; font-size: 15px; }
.blend-converge-card p { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
.blend-badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px; font-size: 12px; background: rgba(37, 196, 216, 0.16); border: 1px solid rgba(37, 196, 216, 0.5); color: var(--text); }
.blend-count { font-style: normal; color: var(--cyan); font-size: 12px; }

.game-stage {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  margin-top: 28px;
}
.question-list { display: grid; gap: 10px; margin-top: 14px; }
.question-button {
  width: 100%;
  text-align: left;
  border: 1px solid rgba(95, 130, 171, 0.28);
  border-radius: 10px;
  padding: 13px;
  color: var(--muted);
  background: rgba(14, 28, 49, 0.72);
  cursor: pointer;
}
.question-button.active {
  color: var(--white);
  border-color: rgba(37, 196, 216, 0.62);
  background: rgba(37, 196, 216, 0.14);
}
.meter-list { display: grid; gap: 12px; margin-top: 18px; }
.meter-row { display: grid; grid-template-columns: 150px 1fr 46px; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); }
.meter-track { height: 10px; overflow: hidden; border-radius: 999px; background: rgba(95, 130, 171, 0.18); }
.meter-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--green)); }
.scenario-note {
  margin-top: 16px;
  border-left: 3px solid var(--amber);
  padding: 12px 14px;
  background: rgba(214, 155, 49, 0.1);
  color: #f2d9a5;
  font-size: 14px;
}

@media (max-width: 1080px) {
  .hero-grid, .lens-preview, .game-stage { grid-template-columns: 1fr; }
  .grid, .grid.two, .selector-grid { grid-template-columns: repeat(2, 1fr); }
  .red-thread { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { flex-wrap: wrap; }
  .grid, .grid.two, .selector-grid, .red-thread { grid-template-columns: 1fr; }
  .meter-row { grid-template-columns: 1fr; gap: 6px; }
  footer { flex-direction: column; }
}