:root {
  color-scheme: light;
  --ink: #15152b;
  --muted: #625f79;
  --line: #ded9ef;
  --surface: #ffffff;
  --violet: #6d35ee;
  --violet-dark: #4c20b5;
  --shadow: 0 18px 60px rgba(41, 27, 82, 0.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 82% 0%, rgba(117, 68, 238, 0.13), transparent 32rem), linear-gradient(180deg, #fbfaff 0, #f7f5ff 36rem, #fff 70rem);
  color: var(--ink);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, select:focus-visible, pre:focus-visible { outline: 3px solid rgba(109, 53, 238, 0.35); outline-offset: 3px; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid rgba(222, 217, 239, 0.8);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 20px; font-weight: 800; }
.brand img { object-fit: contain; }
.site-header nav { display: flex; gap: 24px; margin-left: auto; }
.site-header nav a, .header-link { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
.site-header nav a:hover, .header-link:hover { color: var(--violet); }
.header-link { margin-left: 10px; }

main, footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { min-height: 620px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr); gap: 80px; align-items: center; padding: 88px 0 72px; }
.eyebrow, .panel-kicker, .tool-number { color: var(--violet); font-size: 12px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 24px; font-size: clamp(44px, 7vw, 78px); line-height: 0.99; letter-spacing: -0.055em; }
h2 { margin-bottom: 16px; font-size: clamp(32px, 4.4vw, 52px); line-height: 1.05; letter-spacing: -0.04em; }
h3 { font-size: 22px; line-height: 1.25; letter-spacing: -0.02em; }
.hero-text { max-width: 680px; color: var(--muted); font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 12px 20px; border: 1px solid transparent; border-radius: 12px; text-decoration: none; font-weight: 760; transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); }
.primary { background: var(--violet); color: white; box-shadow: 0 10px 28px rgba(109, 53, 238, 0.22); }
.primary:hover { background: var(--violet-dark); }
.secondary { background: rgba(255, 255, 255, 0.82); border-color: var(--line); color: var(--violet); }
.light { background: white; color: var(--violet-dark); }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; list-style: none; }
.trust-list li { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, 0.7); color: var(--muted); font-size: 13px; }
.disclosure { color: var(--muted); font-size: 13px; }

.hero-panel { position: relative; overflow: hidden; padding: 32px; border: 1px solid rgba(109, 53, 238, 0.16); border-radius: 28px; background: linear-gradient(145deg, #24164b, #3d1e7b); color: white; box-shadow: var(--shadow); }
.hero-panel::after { content: ""; position: absolute; width: 220px; height: 220px; right: -90px; top: -80px; border-radius: 50%; background: rgba(255, 177, 82, 0.16); }
.panel-kicker { color: #cdbdff; }
.hero-panel ol { padding: 0; margin: 28px 0 0; list-style: none; }
.hero-panel li { display: flex; gap: 18px; padding: 17px 0; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.hero-panel li > span { color: #cdbdff; font-weight: 800; }
.hero-panel strong, .hero-panel small { display: block; }
.hero-panel small { color: #d5cdea; margin-top: 3px; }

.section { padding: 82px 0; }
.section-heading { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: end; margin-bottom: 34px; }
.section-heading > p { max-width: 520px; margin-bottom: 8px; color: var(--muted); }
.section-heading.compact { margin-bottom: 24px; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.tool-card { display: flex; flex-direction: column; min-height: 390px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255, 255, 255, 0.9); box-shadow: 0 8px 30px rgba(41, 27, 82, 0.05); }
.tool-card.featured { border-color: rgba(109, 53, 238, 0.48); background: linear-gradient(145deg, #fff, #f5efff); }
.tool-card h3 { margin: 16px 0 12px; font-size: 26px; }
.tool-card p, .tool-card li { color: var(--muted); }
.tool-card ul { padding-left: 20px; margin-bottom: 24px; }
.tool-card > a { margin-top: auto; color: var(--violet); font-weight: 780; text-decoration: none; }
.tool-card > a:hover { text-decoration: underline; text-underline-offset: 4px; }

.capability-section { border-top: 1px solid var(--line); }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.capability-card { position: relative; display: flex; flex-direction: column; min-height: 440px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: 0 8px 30px rgba(41, 27, 82, 0.05); }
.capability-card::before { position: absolute; inset: 0 0 auto; height: 4px; content: ""; background: var(--violet); }
.capability-card.image-api::before { background: #9b55ef; }
.capability-card.video-api::before { background: #4e62e9; }
.capability-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 22px; border-radius: 12px; background: var(--violet-soft); color: var(--violet); font-size: 13px; font-weight: 850; }
.capability-label { margin: 0 0 8px; color: var(--violet); font-size: 12px; font-weight: 850; letter-spacing: 0.12em; }
.capability-card h3 { margin: 0 0 12px; font-size: 23px; line-height: 1.18; }
.capability-card > p:not(.capability-label), .capability-card li { color: var(--muted); }
.capability-card ul { margin: 4px 0 22px; padding-left: 20px; }
.capability-links { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.capability-links a { color: var(--violet); font-weight: 760; text-decoration: none; }
.capability-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.capability-note { max-width: 920px; margin: 24px 0 0; color: var(--muted); font-size: 13px; }

.guide-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guide-list { border-top: 1px solid var(--line); }
.guide-list > a { display: grid; grid-template-columns: 50px 1fr auto; gap: 22px; align-items: center; padding: 24px 6px; border-bottom: 1px solid var(--line); text-decoration: none; transition: color 160ms ease, padding 160ms ease; }
.guide-list > a:hover { color: var(--violet); padding-left: 14px; }
.guide-list span { color: var(--violet); font-weight: 800; }
.guide-list strong, .guide-list small { display: block; }
.guide-list strong { font-size: 18px; }
.guide-list small { margin-top: 4px; color: var(--muted); }

.demo-card { display: grid; grid-template-columns: 0.86fr 1.14fr; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.demo-controls { padding: 32px; }
label { display: block; margin-bottom: 8px; font-weight: 760; }
select { width: 100%; margin-bottom: 28px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--ink); font: inherit; }
.code-panel { min-width: 0; padding: 30px; background: #211a38; color: #eee9ff; }
.code-panel > div { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.code-panel button { padding: 8px 12px; border: 0; border-radius: 8px; background: #f0eaff; color: #5630b1; font: inherit; font-weight: 700; cursor: pointer; }
#copy-status { display: block; min-height: 24px; color: #cdbdff; font-size: 13px; }
pre { min-height: 250px; margin: 0; overflow: auto; color: #f5f0ff; font: 13px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; }

.api-section { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.api-section > div { max-width: 720px; }
.api-section p:not(.eyebrow) { color: var(--muted); }
.final-cta { margin: 24px 0 78px; padding: 58px; border-radius: 28px; background: linear-gradient(135deg, #5423c8, #7e46ef); color: white; text-align: center; box-shadow: 0 18px 55px rgba(83, 35, 200, 0.25); }
.final-cta .eyebrow { color: #e4d9ff; }
.final-cta h2 { max-width: 760px; margin-left: auto; margin-right: auto; }
.final-cta > p:not(.eyebrow) { max-width: 700px; margin: 0 auto 26px; color: #e8e0fa; }
footer { display: flex; justify-content: space-between; gap: 30px; padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer nav { display: flex; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--violet); }

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .header-link { margin-left: auto; }
  .hero { grid-template-columns: 1fr; gap: 36px; min-height: auto; padding-top: 60px; }
  .section-heading, .demo-card { grid-template-columns: 1fr; gap: 14px; }
  .api-section { align-items: flex-start; flex-direction: column; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 0; }
}
@media (max-width: 680px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 68px; }
  .brand img { width: 40px; height: 40px; }
  .header-link { font-size: 12px; }
  h1 { font-size: clamp(42px, 14vw, 60px); }
  .hero { padding: 46px 0 40px; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card { min-height: 0; padding: 24px; }
  .section { padding: 58px 0; }
  .guide-list > a { grid-template-columns: 38px 1fr auto; gap: 12px; }
  .guide-list small { display: none; }
  .demo-controls, .code-panel { padding: 24px; }
  .final-cta { padding: 42px 22px; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: 0.01ms !important; } }