:root {
  --ink: #141414;
  --paper: #f7f6f0;
  --white: #fff;
  --lime: #f5ff68;
  --mint: #9bf5d0;
  --violet: #b7a4ff;
  --coral: #ff8c7c;
  --sky: #8fd3ff;
  --line: rgba(20, 20, 20, 0.14);
  --muted: rgba(20, 20, 20, 0.62);
  --shadow: 0 24px 80px rgba(26, 23, 15, 0.12);
  --font-display: "Syne", "Manrope", sans-serif;
  --font-body: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 32px));
  min-height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(20, 20, 20, 0.12);
  border-radius: 18px;
  background: rgba(250, 249, 244, 0.82);
  backdrop-filter: blur(18px);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 40px rgba(20, 20, 20, 0.09);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  font: 800 23px/1 var(--font-display);
  letter-spacing: -0.06em;
}

.brand img {
  display: block;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 13px;
  font-weight: 700;
}

.desktop-nav a,
.text-link {
  position: relative;
}

.desktop-nav a::after,
.text-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -4px;
  left: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

.desktop-nav a:hover::after,
.text-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 24px;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(20, 20, 20, 0.13);
}

.button-small {
  min-height: 42px;
  padding: 0 17px;
  border-radius: 10px;
  font-size: 12px;
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-primary {
  color: var(--ink);
  background: var(--lime);
}

.button-on-dark {
  color: var(--white);
  background: var(--ink);
}

.button-on-dark:hover {
  background: #000;
}

.button-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.48);
}

.hero {
  position: relative;
  min-height: 980px;
  padding: 190px max(24px, calc((100vw - 1180px) / 2)) 110px;
  background:
    radial-gradient(circle at 78% 20%, rgba(183, 164, 255, 0.23), transparent 31%),
    radial-gradient(circle at 18% 30%, rgba(245, 255, 104, 0.22), transparent 29%),
    linear-gradient(180deg, #fcfbf7 0%, var(--paper) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: linear-gradient(to bottom, #000, transparent 58%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.hero-glow-one {
  top: 140px;
  right: 6%;
  background: rgba(155, 245, 208, 0.22);
}

.hero-glow-two {
  top: 380px;
  left: 2%;
  background: rgba(255, 140, 124, 0.14);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(790px, 100%);
  margin-inline: auto;
  text-align: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #20c978;
  box-shadow: 0 0 0 5px rgba(32, 201, 120, 0.12);
}

.hero h1 {
  max-width: 860px;
  margin: 0;
  font: 800 clamp(55px, 7vw, 92px)/0.99 var(--font-display);
  letter-spacing: -0.075em;
}

.hero h1 em {
  position: relative;
  font-style: normal;
  white-space: nowrap;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -10px;
  bottom: 6px;
  left: -5px;
  height: 0.24em;
  background: var(--lime);
  transform: rotate(-1.5deg);
}

.hero-lead {
  max-width: 650px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.trust-row {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-top: 28px;
  color: rgba(20, 20, 20, 0.48);
  font-size: 11px;
  font-weight: 700;
}

.trust-row span::before {
  content: "✓";
  margin-right: 6px;
  color: var(--ink);
}

.hero-product {
  position: relative;
  z-index: 2;
  width: min(1050px, 100%);
  margin: 80px auto 0;
  perspective: 1400px;
}

.product-window {
  overflow: hidden;
  border: 1px solid rgba(20, 20, 20, 0.2);
  border-radius: 18px;
  background: #f0efe9;
  box-shadow: 0 50px 120px rgba(21, 18, 12, 0.2);
  transform: rotateX(3deg);
}

.window-bar {
  height: 46px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dbd9d1;
}

.window-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 800 12px/1 var(--font-display);
}

.window-user {
  justify-self: end;
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
  font-size: 8px;
  font-weight: 800;
}

.window-body {
  min-height: 480px;
  display: grid;
  grid-template-columns: 68px 1fr;
}

.mock-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 20px 0;
  color: rgba(255, 255, 255, 0.58);
  background: #161616;
}

.mock-logo {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 15px;
  border-radius: 10px;
  color: var(--ink);
  background: var(--lime);
  font: 800 16px/1 var(--font-display);
}

.mock-nav {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  font-size: 15px;
}

.mock-nav.active {
  color: var(--ink);
  background: var(--lime);
}

.mock-main {
  padding: 32px 34px;
  background:
    radial-gradient(circle at 92% 3%, rgba(183, 164, 255, 0.23), transparent 28%),
    #f8f7f2;
}

.mock-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-topline div {
  display: flex;
  flex-direction: column;
}

.mock-topline small,
.mock-stats small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.mock-topline strong {
  font: 800 25px/1.2 var(--font-display);
  letter-spacing: -0.05em;
}

.live-chip {
  padding: 6px 10px;
  border: 1px solid rgba(32, 201, 120, 0.3);
  border-radius: 999px;
  color: #138353;
  background: rgba(155, 245, 208, 0.28);
  font-size: 9px;
  font-weight: 800;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.mock-stats > div {
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
}

.mock-stats strong {
  font: 800 25px/1 var(--font-display);
  letter-spacing: -0.05em;
}

.mock-stats b {
  color: #138353;
  font-size: 8px;
}

.mock-stats b.warm {
  color: #bf5c38;
}

.mock-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 14px;
  margin-top: 14px;
}

.mock-card {
  min-height: 220px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}

.motion-card {
  background: linear-gradient(135deg, rgba(245, 255, 104, 0.32), #fff 54%);
}

.mock-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.mock-card-head i {
  padding: 4px 7px;
  border-radius: 999px;
  color: #a0492b;
  background: rgba(255, 140, 124, 0.22);
  font-style: normal;
  letter-spacing: 0;
}

.mock-card-head i.green {
  color: #138353;
  background: rgba(155, 245, 208, 0.3);
}

.mock-card h3 {
  max-width: 280px;
  margin: 22px 0 7px;
  font: 800 18px/1.25 var(--font-display);
  letter-spacing: -0.04em;
}

.mock-card p {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.6;
}

.mock-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 42px;
  margin-top: 16px;
}

.mock-bars i {
  display: block;
  height: 100%;
  border: 1.5px solid var(--ink);
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, #7ec8ff, #fff48d);
  box-shadow: 1px 1px 0 var(--ink);
}

.mock-bars i.b2 { background: linear-gradient(180deg, #7ef0d4, #fff); }
.mock-bars i.b3 { background: linear-gradient(180deg, #fff48d, #ffc4a8); }
.mock-bars i.b4 { background: linear-gradient(180deg, #ff8a7a, #fff); }

.motion-path {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
}

.motion-path span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.8);
  font-size: 8px;
  font-weight: 800;
}

.motion-path b {
  color: var(--muted);
  font-size: 9px;
}

.confidence {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 8px;
}

.confidence strong {
  color: #138353;
}

.chart {
  height: 94px;
  margin: 24px 0 15px;
}

.chart svg {
  width: 100%;
  height: 100%;
}

.chart-fill {
  fill: rgba(183, 164, 255, 0.2);
}

.chart-line {
  fill: none;
  stroke: var(--violet);
  stroke-width: 3;
}

.floating-note {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(20, 20, 20, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 38px rgba(20, 20, 20, 0.12);
  animation: float 4s ease-in-out infinite;
}

.floating-note > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--lime);
  font-weight: 800;
}

.floating-note div {
  display: flex;
  flex-direction: column;
}

.floating-note small {
  color: var(--muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.floating-note strong {
  font-size: 10px;
}

.note-one {
  top: 26%;
  right: -42px;
}

.note-two {
  bottom: 13%;
  left: -50px;
  animation-delay: -2s;
}

@keyframes float {
  0%,
  100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.statement {
  padding: 145px 24px;
  text-align: center;
  background: var(--ink);
}

.statement .section-kicker {
  color: rgba(255, 255, 255, 0.48);
}

.statement h2 {
  max-width: 1000px;
  margin: 0 auto;
  color: var(--white);
  font: 700 clamp(38px, 5.5vw, 72px)/1.12 var(--font-display);
  letter-spacing: -0.06em;
}

.statement-copy {
  max-width: 680px;
  margin: 30px auto 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
}

.core-model,
.capabilities,
.governance {
  padding: 140px max(24px, calc((100vw - 1180px) / 2));
}

.section-heading {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 62px;
}

.section-heading h2,
.loop-copy h2,
.governance h2,
.final-cta h2 {
  margin: 0;
  font: 800 clamp(42px, 5vw, 68px)/1.05 var(--font-display);
  letter-spacing: -0.065em;
}

.loop-copy h2 {
  font-size: clamp(34px, 3.6vw, 52px);
  line-height: 1.12;
  max-width: 14em;
}

.section-heading > p {
  max-width: 430px;
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.model-card {
  position: relative;
  min-height: 420px;
  padding: 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
}

.model-card::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -130px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  opacity: 0.32;
  filter: blur(10px);
}

.model-card.audience::after { background: var(--sky); }
.model-card.supply::after { background: var(--mint); }
.model-card.motion::after { background: var(--lime); }
.model-card.signal::after { background: var(--violet); }

.model-number {
  position: absolute;
  top: 34px;
  right: 36px;
  color: rgba(20, 20, 20, 0.25);
  font: 800 12px/1 var(--font-display);
}

.model-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  font-size: 23px;
  font-weight: 800;
}

.audience .model-icon { background: var(--sky); }
.supply .model-icon { background: var(--mint); }
.motion .model-icon { background: var(--lime); }
.signal .model-icon { background: var(--violet); }

.model-en {
  margin: 30px 0 12px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.model-card h3 {
  max-width: 420px;
  margin: 0;
  font: 800 30px/1.18 var(--font-display);
  letter-spacing: -0.05em;
}

.model-card > p:not(.model-en) {
  max-width: 430px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.avatar-stack,
.supply-pills,
.channel-row,
.signal-metric {
  position: absolute;
  z-index: 2;
  bottom: 34px;
  left: 36px;
}

.avatar-stack {
  display: flex;
  align-items: center;
}

.avatar-stack span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-right: -8px;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: var(--sky);
  font-size: 11px;
  font-weight: 800;
}

.avatar-stack span:nth-child(2) { background: var(--lime); }
.avatar-stack span:nth-child(3) { background: var(--coral); }
.avatar-stack span:nth-child(4) { background: var(--violet); }
.avatar-stack b {
  margin-left: 16px;
  font: 800 12px/1 var(--font-display);
}

.supply-pills,
.channel-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.supply-pills span,
.channel-row span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 800;
}

.signal-metric {
  display: flex;
  flex-direction: column;
}

.signal-metric strong {
  font: 800 34px/1 var(--font-display);
  letter-spacing: -0.06em;
}

.signal-metric span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.loop-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  min-height: 900px;
  padding: 130px max(24px, calc((100vw - 1180px) / 2));
  color: var(--white);
  background: #171717;
}

.loop-copy > p:not(.section-kicker) {
  max-width: 510px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 15px;
}

.loop-copy .section-kicker {
  color: rgba(255, 255, 255, 0.45);
}

.feature-list {
  margin: 45px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding: 17px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.feature-list li > span {
  color: var(--lime);
  font: 800 10px/1.8 var(--font-display);
}

.feature-list strong {
  font-size: 14px;
}

.feature-list p {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
}

.loop-visual {
  position: relative;
  width: min(620px, 100%);
  aspect-ratio: 1;
  margin-inline: auto;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 70%;
  height: 70%;
}

.orbit-two {
  width: 94%;
  height: 94%;
  border-style: dashed;
}

.loop-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 170px;
  height: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 90px rgba(245, 255, 104, 0.12);
  transform: translate(-50%, -50%);
}

.loop-center img {
  margin-bottom: 8px;
}

.loop-center strong {
  font: 800 22px/1 var(--font-display);
}

.loop-center small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.44);
}

.orbit-node {
  position: absolute;
  width: 120px;
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: #232323;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}

.orbit-node i {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 7px;
  border-radius: 10px;
  color: var(--ink);
  background: var(--lime);
  font-style: normal;
  font-weight: 800;
}

.orbit-node strong {
  font-size: 11px;
}

.orbit-node span {
  color: rgba(255, 255, 255, 0.4);
  font-size: 9px;
}

.node-a { top: 2%; left: 50%; transform: translateX(-50%); }
.node-b { top: 50%; right: 0; transform: translateY(-50%); }
.node-c { bottom: 2%; left: 50%; transform: translateX(-50%); }
.node-d { top: 50%; left: 0; transform: translateY(-50%); }
.node-b i { background: var(--coral); }
.node-c i { background: var(--mint); }
.node-d i { background: var(--violet); }

.capabilities {
  background: #faf9f5;
}

.touchpoint-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 22px;
  align-items: center;
}

.touchpoint {
  text-align: center;
}

.touchpoint > h3 {
  margin: 24px 0 3px;
  font: 800 19px/1.2 var(--font-display);
}

.touchpoint > p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.connector {
  color: rgba(20, 20, 20, 0.28);
  font-size: 24px;
}

.phone-frame,
.web-frame,
.site-frame {
  height: 330px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  text-align: left;
}

.phone-frame {
  width: 210px;
  margin-inline: auto;
  padding-top: 55px;
  border: 5px solid var(--ink);
  border-radius: 34px;
  background: linear-gradient(160deg, #f2f0fb, #f9f8f3);
}

.phone-notch {
  position: absolute;
}

.phone-frame small,
.web-frame small,
.site-banner small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.phone-frame strong,
.web-frame > strong {
  display: block;
  margin-top: 18px;
  font: 800 21px/1.25 var(--font-display);
  letter-spacing: -0.04em;
}

.phone-frame p {
  color: var(--muted);
  font-size: 10px;
}

.phone-frame button,
.web-frame button,
.site-banner button {
  width: 100%;
  margin-top: 28px;
  padding: 10px;
  border: 0;
  border-radius: 9px;
  color: var(--white);
  background: var(--ink);
  font-size: 10px;
  font-weight: 800;
}

.web-frame,
.site-frame {
  border-radius: 15px;
}

.web-frame {
  padding-top: 54px;
  background: linear-gradient(145deg, rgba(183, 164, 255, 0.24), #fff 48%);
}

.web-bar {
  display: flex;
  gap: 5px;
  margin-bottom: 20px;
}

.web-bar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
}

.web-product {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 10px;
}

.site-frame {
  padding: 16px;
  background: #eee9df;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  font: 800 11px/1 var(--font-display);
}

.site-banner {
  min-height: 180px;
  margin-top: 18px;
  padding: 23px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--lime), #fffbc5);
}

.site-banner strong {
  display: block;
  max-width: 150px;
  margin-top: 15px;
  font: 800 22px/1.1 var(--font-display);
  letter-spacing: -0.05em;
}

.site-banner button {
  width: auto;
  margin-top: 22px;
  padding: 8px 12px;
}

.site-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 10px;
}

.site-cards i {
  height: 54px;
  border-radius: 8px;
  background: var(--white);
}

.governance {
  background: var(--paper);
}

.governance-card {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 80px;
  align-items: center;
  padding: 70px;
  border-radius: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 0 100%, rgba(183, 164, 255, 0.24), transparent 38%),
    var(--ink);
}

.governance-copy > p:not(.section-kicker) {
  max-width: 550px;
  color: rgba(255, 255, 255, 0.6);
}

.governance .section-kicker {
  color: rgba(255, 255, 255, 0.44);
}

.guardrail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 28px;
}

.guardrail-tags span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 700;
}

.approval-panel {
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.approval-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 11px;
  font-weight: 800;
}

.approval-head b {
  color: var(--lime);
}

.approval-panel ul {
  margin: 0;
  padding: 8px 0;
  list-style: none;
}

.approval-panel li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  padding: 13px 0;
}

.approval-panel li i {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--mint);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
}

.approval-panel li span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
}

.approval-panel li strong {
  display: block;
  color: var(--white);
  font-size: 12px;
}

.approval-panel button,
.approval-panel .button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 13px 15px;
  border: 0;
  border-radius: 10px;
  color: var(--white);
  background: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.approval-panel .button:hover {
  background: #000;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.final-cta {
  position: relative;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px;
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(circle, rgba(245, 255, 104, 0.35), transparent 37%),
    #f9f8f3;
}

.final-cta h2 {
  font-size: clamp(52px, 7vw, 88px);
}

.final-cta > p:not(.section-kicker) {
  margin: 24px 0 32px;
  color: var(--muted);
}

.cta-orbit {
  position: absolute;
  width: 650px;
  height: 650px;
  border: 1px dashed rgba(20, 20, 20, 0.13);
  border-radius: 50%;
  pointer-events: none;
}

.final-cta > *:not(.cta-orbit) {
  position: relative;
  z-index: 2;
}

footer {
  min-height: 120px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 30px max(24px, calc((100vw - 1180px) / 2));
  color: rgba(255, 255, 255, 0.52);
  background: var(--ink);
  font-size: 10px;
}

.footer-brand {
  color: var(--white);
  font-size: 19px;
}

footer > p {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

footer > div {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .text-link {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 155px;
  }

  .hero h1 {
    font-size: clamp(47px, 10vw, 72px);
  }

  .window-body {
    grid-template-columns: 52px 1fr;
  }

  .mock-main {
    padding: 24px 20px;
  }

  .mock-grid {
    grid-template-columns: 1fr;
  }

  .signal-card {
    display: none;
  }

  .note-one {
    right: -10px;
  }

  .note-two {
    left: -10px;
  }

  .section-heading,
  .loop-section,
  .governance-card {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 25px;
  }

  .loop-section {
    padding-block: 110px;
  }

  .loop-visual {
    max-width: 580px;
  }

  .touchpoint-track {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .connector {
    transform: rotate(90deg);
  }

  .governance-card {
    gap: 45px;
    padding: 48px;
  }
}

@media (max-width: 640px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    min-height: 58px;
  }

  .brand {
    font-size: 20px;
  }

  .brand img {
    width: 32px;
    height: 32px;
  }

  .button-small {
    min-height: 38px;
    padding-inline: 12px;
  }

  .hero {
    padding: 135px 18px 80px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero h1 em {
    white-space: normal;
  }

  .hero-lead {
    font-size: 14px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .trust-row {
    align-items: center;
    flex-direction: column;
    gap: 5px;
  }

  .hero-product {
    margin-top: 55px;
  }

  .product-window {
    border-radius: 12px;
    transform: none;
  }

  .window-bar {
    height: 38px;
  }

  .window-body {
    min-height: 370px;
    grid-template-columns: 42px 1fr;
  }

  .mock-sidebar {
    gap: 10px;
    padding-top: 12px;
  }

  .mock-logo,
  .mock-nav {
    width: 27px;
    height: 27px;
  }

  .mock-main {
    padding: 18px 12px;
  }

  .mock-topline strong {
    font-size: 18px;
  }

  .mock-stats {
    grid-template-columns: 1fr 1fr;
  }

  .mock-stats > div {
    min-height: 80px;
  }

  .mock-stats > div:last-child {
    display: none;
  }

  .mock-card {
    min-height: 190px;
    padding: 14px;
  }

  .floating-note {
    display: none;
  }

  .statement,
  .core-model,
  .capabilities,
  .governance {
    padding: 90px 18px;
  }

  .statement h2,
  .section-heading h2,
  .loop-copy h2,
  .governance h2 {
    font-size: 38px;
  }

  .model-grid {
    grid-template-columns: 1fr;
  }

  .model-card {
    min-height: 390px;
    padding: 28px;
  }

  .loop-section {
    min-height: 0;
    padding: 90px 18px;
  }

  .loop-visual {
    transform: scale(0.82);
    margin-block: -45px;
  }

  .orbit-node {
    width: 96px;
    height: 96px;
  }

  .loop-center {
    width: 135px;
    height: 135px;
  }

  .governance-card {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .segment-hero-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .final-cta {
    min-height: 570px;
  }

  .final-cta h2 {
    font-size: 48px;
  }

  footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  footer > div {
    justify-content: center;
  }
}