:root {
  --ink: #071126;
  --ink-soft: #1d2942;
  --muted: #5c6880;
  --line: #d9e0eb;
  --line-strong: #aeb9cc;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --night: #061025;
  --night-2: #0a1731;
  --night-line: #2b3b5a;
  --violet: #9c7cf6;
  --blue: #568ff7;
  --cyan: #43d4e8;
  --accent: linear-gradient(115deg, var(--violet), var(--blue) 48%, var(--cyan));
  --radius: 18px;
  --shadow: 0 34px 90px rgba(0, 7, 24, .28);
  --max: 1180px;
  --gutter: max(24px, calc((100vw - var(--max)) / 2));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-underline-offset: 4px; }
img { display: block; max-width: 100%; }
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--ink);
  background: white;
  border-radius: 8px;
}
.skip-link:focus { top: 16px; }

.site-header {
  width: 100%;
  min-height: 88px;
  margin: 0;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: white;
  background: var(--night);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-size: 20px;
  font-weight: 780;
  letter-spacing: -.025em;
  text-decoration: none;
}
.brand img { border-radius: 12px; }
.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-header nav a,
.site-footer nav a {
  color: inherit;
  font-size: 14px;
  font-weight: 680;
  text-decoration: none;
}
.site-header nav a { color: #d2d9e8; }
.site-header nav a:hover,
.site-header nav a:focus-visible { color: white; }
.site-header a:focus-visible,
.site-footer a:focus-visible,
.button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.hero {
  position: relative;
  width: 100%;
  min-height: 672px;
  margin: 0;
  padding: 66px var(--gutter) 86px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(480px, .95fr);
  align-items: center;
  gap: 60px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 78% 28%, rgba(55, 102, 185, .13), transparent 34%),
    var(--night);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto var(--gutter) 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(80, 210, 231, .7), rgba(156, 124, 246, .7), transparent);
}
.hero-copy { position: relative; z-index: 2; }
.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(50px, 4.2vw, 60px);
  font-weight: 760;
  line-height: 1.04;
  letter-spacing: -.057em;
}
.hero-highlight {
  color: var(--cyan);
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-copy > p {
  max-width: 620px;
  margin: 28px 0 0;
  color: #c4cede;
  font-size: 19px;
  line-height: 1.58;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}
.button {
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 760;
  line-height: 1;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(58, 201, 232, .16);
}
.button-primary {
  color: #031020;
  background: var(--accent);
}
.button-secondary {
  color: #e8ebf7;
  border-color: #6e5bbc;
  background: transparent;
}
.button-secondary:hover { border-color: var(--cyan); }

.hero-art {
  position: relative;
  min-width: 0;
  padding: 28px 12px 12px 28px;
}
.task-frame {
  position: relative;
  z-index: 2;
  overflow: hidden;
  color: var(--ink);
  background: #fbfcff;
  border: 1px solid rgba(204, 218, 239, .9);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.task-frame-head {
  min-height: 72px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
}
.task-frame-head span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #aab5c8;
}
.task-frame-head img {
  width: 48px;
  height: 48px;
  margin-left: auto;
  border-radius: 12px;
}
.task-frame-row {
  position: relative;
  min-height: 92px;
  padding: 20px 26px 20px 42px;
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 22px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.task-frame-row:last-child { border-bottom: 0; }
.task-frame-row::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 21px;
  bottom: 21px;
  width: 3px;
  border-radius: 4px;
  background: var(--blue);
}
.task-frame-violet::before { background: var(--violet); }
.task-frame-cyan::before { background: var(--cyan); }
.task-frame-row strong {
  color: #4634c2;
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.task-frame-blue strong { color: #236bd7; }
.task-frame-cyan strong { color: #0786a8; }
.task-frame-row p {
  margin: 0;
  color: #44506a;
  font-size: 14px;
  line-height: 1.5;
}
.frame-measure {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  border-color: rgba(123, 145, 184, .52);
}
.frame-measure-top {
  inset: 0 0 auto 10px;
  height: 22px;
  border-top: 1px solid;
  border-right: 1px solid;
}
.frame-measure-top::after,
.frame-measure-side::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-color: var(--cyan);
}
.frame-measure-top::after {
  right: -11px;
  top: -11px;
  border-top: 1px solid;
  transform: rotate(90deg);
}
.frame-measure-side {
  inset: 18px auto 0 0;
  width: 16px;
  border-left: 1px solid;
  border-bottom: 1px solid;
}

.problem-band {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 92px 0 100px;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 100px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}
.problem-band > p {
  max-width: 520px;
  margin: 0;
  font-size: clamp(38px, 4.1vw, 56px);
  font-weight: 730;
  line-height: 1.08;
  letter-spacing: -.048em;
}
.problem-list {
  position: relative;
  display: grid;
  padding-left: 66px;
}
.problem-list::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(var(--violet), var(--cyan));
}
.problem-list span {
  position: relative;
  padding: 19px 0;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 700;
}
.problem-list span::before {
  content: "";
  position: absolute;
  left: -50px;
  top: 50%;
  width: 13px;
  height: 13px;
  background: white;
  border: 3px solid var(--violet);
  border-radius: 50%;
  transform: translateY(-50%);
}
.problem-list span:nth-child(2)::before { border-color: var(--blue); }
.problem-list span:nth-child(3)::before { border-color: var(--cyan); }

.section,
.section-inner {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}
.section { padding: 116px 0; }
.workflow {
  display: grid;
  grid-template-columns: .76fr 1.24fr;
  gap: 98px;
  align-items: start;
}
.section-heading { display: block; margin: 0; }
.section-heading h2,
.output-copy h2 {
  margin: 0;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: clamp(44px, 4.6vw, 62px);
  font-weight: 650;
  line-height: 1.05;
  letter-spacing: -.048em;
}
.section-heading p,
.output-copy p {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
}
.workflow-steps {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  list-style: none;
}
.workflow-steps::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 20px;
  bottom: 24px;
  width: 1px;
  background: var(--line-strong);
}
.workflow-steps li {
  position: relative;
  min-height: 112px;
  padding: 0 0 34px 118px;
}
.workflow-steps li::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 9px;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border: 5px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--line);
}
.workflow-steps li:nth-child(even)::before { background: var(--violet); }
.workflow-steps li::after {
  content: "";
  position: absolute;
  left: 34px;
  top: 19px;
  width: 56px;
  height: 1px;
  background: var(--line);
}
.step-number {
  position: absolute;
  left: 94px;
  top: -1px;
  color: var(--cyan);
  font-family: ui-serif, Georgia, serif;
  font-size: 25px;
  font-weight: 700;
  transform: translateX(-100%);
}
.workflow-steps li:nth-child(even) .step-number { color: var(--violet); }
.workflow-steps h3 {
  margin: 0 0 6px;
  font-family: ui-serif, Georgia, serif;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -.025em;
}
.workflow-steps p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.output-section {
  width: 100%;
  padding: 104px 0;
  color: white;
  background:
    radial-gradient(circle at 80% 50%, rgba(60, 103, 185, .12), transparent 34%),
    var(--night);
}
.output-inner {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 84px;
  align-items: center;
}
.output-copy h2 { color: white; }
.output-copy p { color: #bac6d9; }
.prompt-preview {
  overflow: hidden;
  color: white;
  background: rgba(12, 27, 56, .72);
  border: 1px solid #344666;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.preview-top {
  min-height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #9bcff4;
  border-bottom: 1px solid #344666;
  font-size: 13px;
}
.preview-top span {
  width: 8px;
  height: 8px;
  background: #71809d;
  border-radius: 50%;
}
.preview-top strong {
  margin-left: 12px;
  color: var(--cyan);
  font-weight: 700;
}
.preview-body { padding: 6px 0; }
.preview-body p {
  min-height: 62px;
  margin: 0;
  padding: 16px 24px;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  align-items: center;
  border-bottom: 1px solid #2a3d5d;
}
.preview-body p:last-child { border-bottom: 0; }
.preview-body b {
  color: #f8faff;
  font-size: 14px;
}
.preview-body span {
  color: #b9c5d8;
  font-size: 14px;
}

.release-section { padding-top: 108px; }
.section-heading.compact {
  max-width: 780px;
  margin-bottom: 50px;
}
.section-heading.compact h2 {
  font-family: inherit;
  font-size: clamp(40px, 4vw, 54px);
}
.facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}
.facts div { padding: 24px 22px 26px 0; }
.facts div + div {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}
.facts dt {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 680;
}
.facts dd {
  margin: 8px 0 0;
  color: var(--violet);
  font-size: 21px;
  font-weight: 780;
}
.platform-note {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.final-cta {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 68px var(--gutter) 70px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 69% 28%, rgba(79, 119, 207, .16), transparent 28%),
    var(--night);
}
.final-cta::after {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 28px;
  height: 2px;
  background: var(--accent);
  clip-path: polygon(0 0, 4% 0, 8% 100%, 90% 100%, 94% 0, 100% 0, 100% 100%, 0 100%);
}
.final-cta-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 72px;
  align-items: center;
}
.final-cta h2 {
  margin: 0;
  font-size: clamp(46px, 5vw, 66px);
  line-height: 1.05;
  letter-spacing: -.055em;
}
.final-cta p {
  max-width: 640px;
  margin: 20px 0 28px;
  color: #c6d0e2;
  font-size: 18px;
}
.final-cta img {
  width: 210px;
  margin: 0 auto 18px;
  border-radius: 28%;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .3));
}

.site-footer {
  width: min(calc(100% - 48px), var(--max));
  min-height: 184px;
  margin: 0 auto;
  padding: 38px 0 42px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px 56px;
  align-items: start;
  color: var(--ink);
  border-top: 1px solid var(--line);
}
.site-footer div {
  display: grid;
  gap: 3px;
}
.site-footer strong {
  font-size: 19px;
  letter-spacing: -.02em;
}
.site-footer div span,
.site-footer > p {
  color: var(--muted);
  font-size: 13px;
}
.site-footer nav { color: var(--ink-soft); }
.site-footer nav a:hover,
.site-footer nav a:focus-visible { color: var(--blue); }
.site-footer > p {
  grid-column: 1 / -1;
  margin: 0;
}

.legal-shell {
  width: min(calc(100% - 48px), 920px);
  min-height: 58vh;
  margin: 52px auto 120px;
}
.legal-heading {
  padding: 58px 0 48px;
  border-bottom: 1px solid var(--line);
}
.legal-heading h1 {
  margin: 0;
  font-size: clamp(48px, 7vw, 76px);
  line-height: 1;
  letter-spacing: -.055em;
}
.legal-heading p {
  margin: 22px 0 0;
  color: var(--muted);
}
.legal-content { padding: 42px 0 0; }
.legal-content h2 {
  margin: 48px 0 12px;
  color: var(--ink);
  font-size: 25px;
  letter-spacing: -.025em;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { margin: 0 0 18px; color: #3f4960; }
.legal-content li { margin: 7px 0; color: #3f4960; }
.legal-content a:not(.button) { color: #245fbb; font-weight: 680; }
.notice {
  margin: 42px 0;
  padding: 24px 26px;
  background: var(--soft);
  border-left: 4px solid var(--cyan);
}
.notice p { margin: 5px 0 0; }

@media (max-width: 1000px) {
  :root { --gutter: 32px; }
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 58px;
    padding-top: 58px;
  }
  .hero h1 { max-width: 800px; }
  .hero-art { width: min(760px, 100%); }
  .problem-band { gap: 64px; }
  .workflow { gap: 58px; }
  .output-inner { grid-template-columns: 1fr; gap: 52px; }
  .output-copy { max-width: 720px; }
}

@media (max-width: 760px) {
  :root { --gutter: 24px; }
  body { font-size: 16px; }
  .site-header { min-height: 80px; gap: 18px; }
  .site-header nav { gap: 18px; }
  .site-header nav a { font-size: 13px; }
  .site-header nav a:first-child { display: none; }
  .brand { gap: 9px; font-size: 18px; }
  .brand img { width: 38px; height: 38px; }
  .hero {
    padding: 46px var(--gutter) 66px;
    gap: 44px;
  }
  .hero h1 { font-size: clamp(42px, 11.5vw, 58px); line-height: 1.05; }
  .hero-copy > p { margin-top: 24px; font-size: 17px; }
  .hero-actions { display: grid; margin-top: 30px; }
  .button { width: 100%; min-height: 56px; }
  .hero-art { padding: 0; }
  .frame-measure { display: none; }
  .task-frame { border-radius: 12px; }
  .task-frame-head { min-height: 50px; padding: 0 14px; }
  .task-frame-head img { width: 34px; height: 34px; border-radius: 8px; }
  .task-frame-row {
    min-height: 0;
    padding: 14px 14px 14px 24px;
    grid-template-columns: 128px 1fr;
    gap: 10px;
  }
  .task-frame-row::before { left: 13px; top: 15px; bottom: 15px; width: 2px; }
  .task-frame-row strong { font-size: 11px; }
  .task-frame-row p { font-size: 12px; }
  .problem-band,
  .section,
  .section-inner,
  .site-footer,
  .legal-shell { width: calc(100% - 40px); }
  .problem-band {
    padding: 72px 0 76px;
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .problem-band > p { font-size: 40px; }
  .problem-list { padding-left: 0; }
  .problem-list::before { display: none; }
  .problem-list span { padding: 17px 0; font-size: 17px; }
  .problem-list span::before { display: none; }
  .section { padding: 84px 0; }
  .workflow { grid-template-columns: 1fr; gap: 54px; }
  .section-heading h2,
  .output-copy h2 { font-size: 43px; }
  .section-heading p,
  .output-copy p { margin-top: 22px; font-size: 16px; }
  .workflow-steps li { min-height: 0; padding: 0 0 36px 84px; }
  .workflow-steps::before { left: 15px; }
  .workflow-steps li::before { left: 9px; }
  .workflow-steps li::after { width: 38px; left: 32px; }
  .step-number { left: 72px; font-size: 24px; }
  .workflow-steps h3 { font-size: 22px; }
  .output-section { padding: 82px 0; }
  .preview-top { min-height: 54px; padding: 0 17px; }
  .preview-body p { padding: 15px 17px; grid-template-columns: 1fr; gap: 3px; }
  .preview-body span { font-size: 13px; }
  .release-section { padding-top: 84px; }
  .section-heading.compact h2 { font-size: 40px; }
  .facts { grid-template-columns: 1fr; }
  .facts div,
  .facts div + div {
    padding: 18px 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .facts div:first-child { border-top: 0; }
  .final-cta { padding: 62px var(--gutter) 76px; }
  .final-cta-inner { grid-template-columns: 1fr 118px; gap: 28px; }
  .final-cta h2 { font-size: 44px; }
  .final-cta p { font-size: 16px; }
  .final-cta img { width: 112px; }
  .final-cta .button { width: auto; padding-inline: 22px; }
  .site-footer { grid-template-columns: 1fr; padding-top: 34px; }
  .site-footer nav { flex-wrap: wrap; gap: 20px; }
  .legal-shell { margin-top: 18px; }
  .legal-heading { padding: 44px 0 38px; }
  .legal-heading h1 { font-size: 50px; }
}

@media (max-width: 480px) {
  :root { --gutter: 20px; }
  .site-header { min-height: 76px; }
  .site-header nav { gap: 14px; }
  .brand span { font-size: 17px; }
  .hero { padding-top: 38px; }
  .hero h1 { font-size: 42px; }
  .task-frame-row { grid-template-columns: 1fr; gap: 2px; }
  .problem-band > p { font-size: 36px; }
  .section-heading h2,
  .output-copy h2 { font-size: 39px; }
  .final-cta-inner { grid-template-columns: 1fr; }
  .final-cta img { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}