:root {
  --navy: #001d33;
  --navy-soft: #062b43;
  --ink: #112b3c;
  --muted: #617482;
  --teal: #2f6f66;
  --teal-bright: #46a190;
  --blue: #31539d;
  --violet: #6842a4;
  --cream: #f7e9cc;
  --paper: #f6f4ee;
  --white: #fffefb;
  --line: rgba(0, 29, 51, 0.12);
  --shadow: 0 24px 80px rgba(0, 29, 51, 0.13);
  font-family:
    Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(0, 29, 51, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 29, 51, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
}

body::before {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue), var(--violet));
  content: "";
}

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

button {
  font: inherit;
}

svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(20px);
  pointer-events: none;
}

.ambient-one {
  top: 100px;
  left: -220px;
  width: 500px;
  height: 500px;
  background: rgba(70, 161, 144, 0.12);
}

.ambient-two {
  top: 160px;
  right: -200px;
  width: 520px;
  height: 520px;
  background: rgba(104, 66, 164, 0.08);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(246, 244, 238, 0.78);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 29, 51, 0.05);
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 7px 18px rgba(0, 29, 51, 0.18);
}

.brand span {
  display: flex;
  flex-direction: column;
}

.brand strong {
  color: var(--navy);
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: 0.08em;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  color: #405867;
  font-size: 14px;
  font-weight: 650;
}

.main-nav > a:not(.nav-download) {
  transition: color 160ms ease;
}

.main-nav > a:not(.nav-download):hover {
  color: var(--teal);
}

.nav-download {
  padding: 12px 18px;
  border-radius: 10px;
  color: white;
  background: var(--navy);
  box-shadow: 0 10px 24px rgba(0, 29, 51, 0.16);
  transition: transform 160ms ease, background 160ms ease;
}

.nav-download:hover {
  background: var(--teal);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 50px;
  min-height: 700px;
  padding-top: 82px;
  padding-bottom: 100px;
}

.hero-copy {
  width: 100%;
  min-width: 0;
}

.eyebrow,
.section-kicker {
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid rgba(47, 111, 102, 0.18);
  border-radius: 999px;
  background: rgba(255, 254, 251, 0.72);
}

.eyebrow-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 5px rgba(70, 161, 144, 0.12);
}

.hero h1 {
  width: 100%;
  max-width: 520px;
  margin: 24px 0 22px;
  color: var(--navy);
  font-size: clamp(48px, 5.4vw, 76px);
  font-weight: 850;
  line-height: 1.04;
  letter-spacing: -0.065em;
}

.hero h1 span {
  display: block;
  margin-top: 12px;
  color: var(--teal);
  font-size: 0.66em;
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 760;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button svg {
  width: 19px;
  height: 19px;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: white;
  background: var(--navy);
  box-shadow: 0 14px 30px rgba(0, 29, 51, 0.2);
}

.button-primary:hover {
  background: var(--teal);
  box-shadow: 0 18px 34px rgba(47, 111, 102, 0.24);
}

.button-secondary {
  border-color: var(--line);
  color: var(--navy);
  background: rgba(255, 254, 251, 0.68);
}

.button-secondary:hover {
  background: var(--white);
}

.button-secondary svg {
  width: 16px;
}

.download-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  color: #81909a;
  font-size: 11px;
  font-weight: 700;
}

.download-meta i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #aab4ba;
}

.hero-visual {
  position: relative;
  min-width: 0;
  perspective: 1400px;
}

.desktop-card {
  position: relative;
  z-index: 2;
  overflow: hidden;
  width: 112%;
  border: 1px solid rgba(0, 29, 51, 0.18);
  border-radius: 18px;
  background: #eef2f4;
  box-shadow:
    0 42px 90px rgba(0, 29, 51, 0.2),
    0 8px 20px rgba(0, 29, 51, 0.1);
  transform: rotateY(-5deg) rotateX(2deg);
  transform-origin: center left;
}

.desktop-topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 42px;
  padding: 0 13px;
  border-bottom: 1px solid rgba(0, 29, 51, 0.09);
  background: rgba(255, 255, 255, 0.9);
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d7dfe3;
}

.window-dots i:first-child {
  background: #ed8d7e;
}

.window-dots i:nth-child(2) {
  background: #e8bf64;
}

.window-dots i:last-child {
  background: #74b49f;
}

.mini-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #3b5260;
  font-size: 8px;
  font-weight: 750;
}

.mini-brand img {
  width: 15px;
  height: 15px;
  border-radius: 4px;
}

.topbar-action {
  justify-self: end;
  width: 42px;
  height: 16px;
  border-radius: 4px;
  background: #e9eff1;
}

.model-tabs {
  display: flex;
  gap: 1px;
  height: 35px;
  padding: 5px 8px 0;
  border-bottom: 1px solid rgba(0, 29, 51, 0.1);
  background: #e5eaed;
}

.model-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 90px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 6px 6px 0 0;
  color: #657782;
  font-size: 7px;
  font-weight: 760;
}

.model-tab.active {
  border-color: rgba(0, 29, 51, 0.09);
  border-bottom-color: white;
  color: var(--navy);
  background: white;
}

.model-tab i,
.model-list i,
.answer-panel header i,
.toggle-stack i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.model-blue {
  background: #3b65bd;
}

.model-violet {
  background: #7a53b5;
}

.model-teal {
  background: #45a090;
}

.model-amber {
  background: #d89942;
}

.model-red {
  background: #cd665f;
}

.model-cyan {
  background: #42a4bc;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  height: 334px;
  padding: 7px;
  background: #edf1f3;
}

.answer-panel {
  overflow: hidden;
  min-width: 0;
  border: 1px solid rgba(0, 29, 51, 0.08);
  border-radius: 7px;
  background: white;
}

.answer-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 28px;
  padding: 0 9px;
  border-bottom: 1px solid rgba(0, 29, 51, 0.07);
  color: #384e5b;
  font-size: 7px;
  font-weight: 760;
}

.answer-panel header span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.answer-panel header b {
  color: #559080;
  font-size: 5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.answer-body {
  padding: 15px 11px;
}

.answer-title {
  width: 47%;
  height: 7px;
  margin-bottom: 16px;
  border-radius: 4px;
  background: #566d7a;
}

.answer-line {
  height: 4px;
  margin-bottom: 7px;
  border-radius: 4px;
  background: #dbe3e7;
}

.answer-line.long {
  width: 94%;
}

.answer-line.medium {
  width: 75%;
}

.answer-line.short {
  width: 52%;
}

.code-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
  padding: 10px;
  border-radius: 5px;
  background: var(--navy);
}

.code-block span {
  width: 78%;
  height: 3px;
  border-radius: 3px;
  background: rgba(145, 213, 198, 0.62);
}

.code-block span:nth-child(2) {
  width: 57%;
  margin-left: 10px;
  background: rgba(247, 233, 204, 0.65);
}

.code-block span:nth-child(3) {
  width: 68%;
  margin-left: 10px;
  background: rgba(160, 157, 219, 0.65);
}

.code-block span:nth-child(4) {
  width: 38%;
}

.quote-block {
  height: 42px;
  margin: 17px 0 12px;
  border-left: 3px solid rgba(104, 66, 164, 0.62);
  border-radius: 0 4px 4px 0;
  background: rgba(104, 66, 164, 0.07);
}

.steps {
  display: flex;
  gap: 7px;
  margin: 17px 0 13px;
}

.steps i {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(47, 111, 102, 0.14);
  border-radius: 6px;
  background: rgba(47, 111, 102, 0.07);
}

.composer {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 54px;
  padding: 8px;
  border-top: 1px solid rgba(0, 29, 51, 0.09);
  background: white;
}

.composer > span {
  flex: 1;
  height: 36px;
  padding: 11px;
  border: 1px solid rgba(0, 29, 51, 0.1);
  border-radius: 7px;
  color: #84939c;
  font-size: 7px;
  background: #fafcfc;
}

.send-button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 7px;
  color: white;
  background: var(--teal);
}

.send-button svg {
  width: 14px;
  height: 14px;
}

.orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(47, 111, 102, 0.14);
  border-radius: 50%;
}

.orbit-one {
  top: -60px;
  left: 30px;
  width: 530px;
  height: 530px;
}

.orbit-two {
  top: -10px;
  left: 80px;
  width: 430px;
  height: 430px;
  border-style: dashed;
  animation: orbit-spin 30s linear infinite;
}

.float-note {
  position: absolute;
  z-index: 4;
  display: flex;
  border: 1px solid rgba(0, 29, 51, 0.12);
  background: rgba(255, 254, 251, 0.92);
  box-shadow: 0 16px 36px rgba(0, 29, 51, 0.16);
  backdrop-filter: blur(14px);
}

.float-note-left {
  bottom: -30px;
  left: -34px;
  flex-direction: column;
  gap: 3px;
  padding: 13px 18px;
  border-radius: 12px;
  transform: rotate(-3deg);
}

.float-note-right {
  top: 70px;
  right: -78px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2px 9px;
  padding: 12px 16px;
  border-radius: 12px;
  transform: rotate(2deg);
}

.float-note strong {
  color: var(--navy);
  font-size: 11px;
}

.float-note span:not(.pulse) {
  color: var(--muted);
  font-size: 8px;
}

.float-note-right span:last-child {
  grid-column: 2;
}

.pulse {
  grid-row: 1 / span 2;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 5px rgba(70, 161, 144, 0.14);
  animation: pulse 2s ease-in-out infinite;
}

.model-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 254, 251, 0.55);
}

.model-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 84px;
}

.strip-label {
  color: #80909a;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.model-list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 3.4vw, 40px);
  color: #536a77;
  font-size: 12px;
  font-weight: 720;
}

.model-list span {
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.section {
  padding-top: 130px;
  padding-bottom: 40px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 52px;
}

.section-heading h2,
.privacy-card h2,
.final-cta h2 {
  margin: 13px 0 16px;
  color: var(--navy);
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 254, 251, 0.75);
  box-shadow: 0 12px 38px rgba(0, 29, 51, 0.045);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.feature-card:hover {
  border-color: rgba(47, 111, 102, 0.3);
  box-shadow: 0 24px 50px rgba(0, 29, 51, 0.09);
  transform: translateY(-4px);
}

.feature-card-large {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  min-height: 390px;
  color: white;
  background:
    radial-gradient(circle at 85% 10%, rgba(104, 66, 164, 0.34), transparent 35%),
    linear-gradient(135deg, var(--navy), #073b4c);
}

.feature-card-wide {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 1fr 0.8fr;
  align-items: center;
  gap: 60px;
  min-height: 320px;
  background:
    radial-gradient(circle at 85% 40%, rgba(70, 161, 144, 0.11), transparent 32%),
    var(--white);
}

.feature-number {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 24px;
  margin-bottom: 78px;
  border: 1px solid rgba(0, 29, 51, 0.1);
  border-radius: 999px;
  color: var(--teal);
  font-size: 10px;
  font-weight: 800;
  background: rgba(47, 111, 102, 0.06);
}

.feature-card-large .feature-number {
  margin-bottom: 70px;
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--cream);
  background: rgba(255, 255, 255, 0.08);
}

.feature-card-wide .feature-number {
  margin-bottom: 55px;
}

.feature-card h3 {
  max-width: 450px;
  margin: 0 0 13px;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.feature-card p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.feature-card-large h3 {
  color: white;
  font-size: 30px;
}

.feature-card-large p {
  color: rgba(255, 255, 255, 0.62);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  border: 1px solid rgba(47, 111, 102, 0.14);
  border-radius: 18px;
  color: var(--teal);
  background: rgba(47, 111, 102, 0.07);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.fanout-graphic {
  position: relative;
  height: 280px;
}

.question-node {
  position: absolute;
  z-index: 2;
  top: 97px;
  left: 26px;
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 24px;
  color: var(--navy);
  font-family: Georgia, serif;
  font-size: 34px;
  font-weight: 800;
  background: var(--cream);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.2);
}

.fan-line {
  position: absolute;
  z-index: 1;
  left: 101px;
  width: 190px;
  height: 1px;
  background: linear-gradient(90deg, rgba(247, 233, 204, 0.72), rgba(255, 255, 255, 0.14));
  transform-origin: left center;
}

.fan-line::after {
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 5px rgba(70, 161, 144, 0.11);
  content: "";
}

.line-a {
  top: 136px;
  transform: rotate(-29deg);
}

.line-b {
  top: 136px;
}

.line-c {
  top: 136px;
  transform: rotate(29deg);
}

.response-node {
  position: absolute;
  z-index: 2;
  right: 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7px 9px;
  width: 150px;
  height: 70px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(8px);
}

.response-node i {
  grid-row: 1 / span 2;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.response-node span {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.42);
}

.response-node span:last-child {
  width: 62%;
  background: rgba(255, 255, 255, 0.2);
}

.node-a {
  top: 5px;
}

.node-b {
  top: 105px;
}

.node-c {
  top: 205px;
}

.toggle-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(0, 29, 51, 0.1);
  border-radius: 16px;
  background: rgba(246, 244, 238, 0.75);
  box-shadow: 0 18px 50px rgba(0, 29, 51, 0.08);
}

.toggle-stack > div {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 11px;
  height: 48px;
  padding: 0 12px;
  border: 1px solid rgba(0, 29, 51, 0.08);
  border-radius: 10px;
  color: #3d5664;
  font-size: 11px;
  font-weight: 750;
  background: white;
}

.toggle-stack b {
  position: relative;
  width: 30px;
  height: 17px;
  border-radius: 999px;
  background: var(--teal);
}

.toggle-stack b::after {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: white;
  content: "";
}

.toggle-stack .disabled {
  opacity: 0.5;
}

.toggle-stack .disabled b {
  background: #a9b4ba;
}

.toggle-stack .disabled b::after {
  right: auto;
  left: 3px;
}

.workflow-section {
  margin-top: 100px;
  padding-top: 115px;
  padding-bottom: 115px;
  color: white;
  background:
    radial-gradient(circle at 5% 0%, rgba(70, 161, 144, 0.22), transparent 30%),
    radial-gradient(circle at 95% 100%, rgba(104, 66, 164, 0.25), transparent 30%),
    var(--navy);
}

.workflow-section .section-heading h2 {
  color: white;
}

.workflow-section .section-kicker {
  color: #85c4b7;
}

.workflow-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 70px;
}

.workflow-grid::before {
  position: absolute;
  z-index: 0;
  top: 48px;
  left: 16.6%;
  width: 66.6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  content: "";
}

.workflow-item {
  position: relative;
  z-index: 1;
  padding: 0 35px;
  text-align: center;
}

.workflow-item > span {
  position: absolute;
  top: -5px;
  right: 32px;
  color: rgba(255, 255, 255, 0.12);
  font-family: Georgia, serif;
  font-size: 70px;
  font-weight: 800;
}

.workflow-icon {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  margin: 0 auto 27px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  color: var(--cream);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.15);
}

.workflow-icon svg {
  width: 34px;
  height: 34px;
}

.workflow-item h3 {
  margin: 0 0 9px;
  font-size: 19px;
}

.workflow-item p {
  max-width: 240px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
  line-height: 1.7;
}

.privacy-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 40px 44px;
  border: 1px solid rgba(47, 111, 102, 0.18);
  border-radius: 22px;
  background:
    linear-gradient(90deg, rgba(47, 111, 102, 0.08), transparent 45%),
    var(--white);
  box-shadow: 0 18px 60px rgba(0, 29, 51, 0.07);
}

.privacy-icon {
  display: grid;
  place-items: center;
  width: 80px;
  height: 80px;
  border: 1px solid rgba(47, 111, 102, 0.16);
  border-radius: 24px;
  color: var(--teal);
  background: rgba(47, 111, 102, 0.07);
}

.privacy-icon svg {
  width: 36px;
  height: 36px;
}

.privacy-card h2 {
  margin: 7px 0 8px;
  font-size: 28px;
}

.privacy-card p {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.text-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.text-link svg {
  width: 15px;
  height: 15px;
}

.faq-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 90px;
  padding-bottom: 130px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0;
  color: var(--navy);
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--teal);
  font-size: 17px;
  transition: transform 180ms ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list p {
  max-width: 620px;
  margin: -5px 45px 24px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.final-cta {
  position: relative;
  overflow: hidden;
  margin-bottom: 80px;
  padding-top: 80px;
  padding-bottom: 80px;
  border-radius: 28px;
  color: white;
  text-align: center;
  background:
    radial-gradient(circle at 50% -30%, rgba(70, 161, 144, 0.42), transparent 42%),
    linear-gradient(145deg, var(--navy), #062f45);
  box-shadow: 0 30px 80px rgba(0, 29, 51, 0.2);
}

.final-cta::before,
.final-cta::after {
  position: absolute;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 50%;
  content: "";
}

.final-cta::before {
  top: -170px;
  left: -90px;
}

.final-cta::after {
  right: -100px;
  bottom: -210px;
}

.final-cta img {
  position: relative;
  z-index: 1;
  width: 76px;
  height: 76px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 22px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}

.final-cta .section-kicker {
  position: relative;
  z-index: 1;
  display: block;
  color: #8bcabb;
}

.final-cta h2 {
  position: relative;
  z-index: 1;
  margin: 14px auto 30px;
  color: white;
}

.button-light {
  position: relative;
  z-index: 1;
  color: var(--navy);
  background: var(--cream);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.button-light:hover {
  background: white;
}

.final-cta p {
  position: relative;
  z-index: 1;
  margin: 17px 0 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 254, 251, 0.46);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  min-height: 100px;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.footer-brand strong {
  font-size: 15px;
}

.footer-inner p,
.footer-inner > span {
  color: #81909a;
  font-size: 10px;
}

.footer-inner > span {
  justify-self: end;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

@keyframes orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 5px rgba(70, 161, 144, 0.13);
  }
  50% {
    box-shadow: 0 0 0 9px rgba(70, 161, 144, 0.04);
  }
}

@media (max-width: 1320px) {
  .desktop-card {
    width: 100%;
  }

  .float-note-right {
    right: -18px;
  }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 24px;
  }

  .float-note-right {
    right: -25px;
  }

  .model-list {
    gap: 18px;
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    position: absolute;
    top: 50%;
    right: 0;
    display: flex;
    flex: 0 0 40px;
    flex-direction: column;
    gap: 4px;
    width: 40px;
    height: 40px;
    padding: 11px 9px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--white);
    transform: translateY(-50%);
  }

  .nav-toggle span {
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--navy);
  }

  .main-nav {
    position: absolute;
    top: 70px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 13px 14px;
    border-radius: 9px;
  }

  .nav-download {
    text-align: center;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 80px;
    padding-top: 75px;
  }

  .hero-copy {
    max-width: 700px;
    min-width: 0;
    text-align: center;
  }

  .hero h1,
  .hero-lead {
    margin-right: auto;
    margin-left: auto;
    overflow-wrap: anywhere;
  }

  .hero-actions,
  .download-meta {
    justify-content: center;
  }

  .hero-visual {
    width: min(690px, 92%);
    margin: 0 auto;
  }

  .desktop-card {
    width: 100%;
    transform: none;
  }

  .float-note-left {
    left: -25px;
  }

  .model-strip-inner {
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .model-list {
    flex-wrap: wrap;
    justify-content: center;
  }

  .feature-card-wide {
    gap: 25px;
  }

  .faq-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .nav-shell {
    height: 68px;
  }

  .hero {
    min-height: auto;
    gap: 60px;
    padding-top: 58px;
    padding-bottom: 78px;
  }

  .hero h1 {
    max-width: 100%;
    margin-top: 20px;
    font-size: clamp(40px, 13vw, 58px);
  }

  .hero h1 span {
    font-size: 0.62em;
  }

  .hero-lead {
    font-size: 14px;
    line-height: 1.75;
  }

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

  .button {
    width: 100%;
  }

  .download-meta {
    flex-wrap: wrap;
  }

  .hero-visual {
    width: 100%;
  }

  .desktop-topbar {
    height: 36px;
  }

  .model-tab {
    min-width: 0;
    font-size: 6px;
  }

  .answer-grid {
    grid-template-columns: repeat(3, minmax(110px, 1fr));
    height: 260px;
    overflow: hidden;
  }

  .answer-panel-three {
    display: none;
  }

  .answer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .composer {
    height: 48px;
  }

  .float-note {
    display: none;
  }

  .orbit {
    display: none;
  }

  .section {
    padding-top: 90px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .final-cta h2 {
    font-size: 34px;
  }

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

  .feature-card,
  .feature-card-large,
  .feature-card-wide {
    display: block;
    grid-column: auto;
    min-height: 0;
    padding: 25px;
  }

  .feature-number,
  .feature-card-large .feature-number,
  .feature-card-wide .feature-number {
    margin-bottom: 35px;
  }

  .feature-card h3,
  .feature-card-large h3 {
    font-size: 23px;
  }

  .feature-icon {
    width: 56px;
    height: 56px;
  }

  .fanout-graphic {
    height: 250px;
    margin-top: 35px;
    transform: scale(0.86);
    transform-origin: center;
  }

  .question-node {
    left: -14px;
  }

  .response-node {
    right: -18px;
  }

  .toggle-stack {
    margin-top: 32px;
  }

  .workflow-section {
    margin-top: 60px;
    padding-top: 85px;
    padding-bottom: 85px;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .workflow-grid::before {
    display: none;
  }

  .privacy-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .privacy-card h2 {
    font-size: 25px;
  }

  .text-link {
    margin-top: 5px;
  }

  .faq-section {
    padding-bottom: 90px;
  }

  .final-cta {
    width: calc(100% - 20px);
    margin-bottom: 45px;
    padding: 60px 22px;
    border-radius: 22px;
  }

  .final-cta .button {
    width: auto;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 28px 0;
    text-align: center;
  }

  .footer-inner p {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}