:root {
  color-scheme: light dark;
  --background: #f7f8fb;
  --surface: #ffffff;
  --surface-muted: #eef3f6;
  --text: #111827;
  --text-muted: #5b6776;
  --border: #d8e0e7;
  --border-strong: #a9bac8;
  --accent-cyan: #007c89;
  --accent-orange: #b85515;
  --success: #177245;
  --warning: #a15c00;
  --danger: #b4233a;
  --code-background: #edf3f5;
  --card-background: rgba(255, 255, 255, 0.9);
  --link-color: #006d7a;
  --focus-ring: #00a6b8;
  --button-background: #111827;
  --button-text: #ffffff;
  --shadow: 0 16px 42px rgba(17, 24, 39, 0.08);
  --nav-background: rgba(247, 248, 251, 0.86);
  --site-header-height: 66px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: var(--font-sans);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #080b10;
    --surface: #111821;
    --surface-muted: #0d131b;
    --text: #eff6f7;
    --text-muted: #a7b3bd;
    --border: #243241;
    --border-strong: #405467;
    --accent-cyan: #5bd6e4;
    --accent-orange: #f4a261;
    --success: #63d297;
    --warning: #f2bf61;
    --danger: #ff7a90;
    --code-background: #0b1017;
    --card-background: rgba(17, 24, 33, 0.9);
    --link-color: #8ee8f2;
    --focus-ring: #7de7f2;
    --button-background: #eff6f7;
    --button-text: #080b10;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
    --nav-background: rgba(8, 11, 16, 0.86);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --background: #f7f8fb;
  --surface: #ffffff;
  --surface-muted: #eef3f6;
  --text: #111827;
  --text-muted: #5b6776;
  --border: #d8e0e7;
  --border-strong: #a9bac8;
  --accent-cyan: #007c89;
  --accent-orange: #b85515;
  --success: #177245;
  --warning: #a15c00;
  --danger: #b4233a;
  --code-background: #edf3f5;
  --card-background: rgba(255, 255, 255, 0.9);
  --link-color: #006d7a;
  --focus-ring: #00a6b8;
  --button-background: #111827;
  --button-text: #ffffff;
  --shadow: 0 16px 42px rgba(17, 24, 39, 0.08);
  --nav-background: rgba(247, 248, 251, 0.86);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #080b10;
  --surface: #111821;
  --surface-muted: #0d131b;
  --text: #eff6f7;
  --text-muted: #a7b3bd;
  --border: #243241;
  --border-strong: #405467;
  --accent-cyan: #5bd6e4;
  --accent-orange: #f4a261;
  --success: #63d297;
  --warning: #f2bf61;
  --danger: #ff7a90;
  --code-background: #0b1017;
  --card-background: rgba(17, 24, 33, 0.9);
  --link-color: #8ee8f2;
  --focus-ring: #7de7f2;
  --button-background: #eff6f7;
  --button-text: #080b10;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  --nav-background: rgba(8, 11, 16, 0.86);
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: clip; scroll-behavior: smooth; }
section[id], article[id] { scroll-margin-top: calc(var(--site-header-height) + 22px); }
body {
  margin: 0;
  overflow-x: clip;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-muted) 56%, transparent), transparent 320px),
    var(--background);
  color: var(--text);
  letter-spacing: 0;
}
a { color: var(--link-color); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}
code, pre { font-family: var(--font-mono); }
code { overflow-wrap: anywhere; }
main, section, article, aside, div, nav, footer { min-width: 0; }
.page-shell, .shell, .container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.site-nav {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  background: var(--nav-background);
  backdrop-filter: blur(16px);
}
.nav-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  color: var(--text);
  font-weight: 780;
}
.brand-logo {
  position: relative;
  width: 32px;
  height: 33px;
  flex: 0 0 32px;
  display: block;
}
.brand-mark {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}
.brand-mark--dark-bg { display: none; }
.brand-mark--light-bg { display: block; }
@media (prefers-color-scheme: dark) {
  .brand-mark--dark-bg { display: block; }
  .brand-mark--light-bg { display: none; }
}
:root[data-theme="light"] .brand-mark--dark-bg { display: none; }
:root[data-theme="light"] .brand-mark--light-bg { display: block; }
:root[data-theme="dark"] .brand-mark--dark-bg { display: block; }
:root[data-theme="dark"] .brand-mark--light-bg { display: none; }
.nav-actions {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  min-width: 0;
  margin-left: clamp(18px, 3vw, 34px);
}
.nav-links {
  display: flex;
  gap: 10px 16px;
  flex-wrap: wrap;
  justify-content: flex-start;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.nav-links a { min-height: 36px; display: inline-flex; align-items: center; color: inherit; white-space: nowrap; }
.theme-toggle {
  width: 36px;
  height: 36px;
  margin-left: auto;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: color 160ms ease, transform 180ms ease;
}
.mobile-header-theme-toggle { display: none; }
.theme-toggle:hover {
  background: transparent;
  color: var(--accent-cyan);
  transform: rotate(-8deg);
}
.theme-toggle:active {
  background: transparent;
  transform: rotate(-8deg) scale(0.94);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  background: transparent;
}
.theme-toggle__icon {
  display: none;
  width: 20px;
  height: 20px;
  background-color: currentColor;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  transition: transform 180ms ease;
}
.theme-toggle__icon--sun {
  mask-image: url("/assets/icon-sun.svg");
  -webkit-mask-image: url("/assets/icon-sun.svg");
}
.theme-toggle__icon--moon {
  mask-image: url("/assets/icon-moon.svg");
  -webkit-mask-image: url("/assets/icon-moon.svg");
}
:root .theme-toggle__icon--sun { display: block; }
:root .theme-toggle__icon--moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root .theme-toggle__icon--sun { display: none; }
  :root .theme-toggle__icon--moon { display: block; }
}
:root[data-theme="light"] .theme-toggle__icon--sun { display: block; }
:root[data-theme="light"] .theme-toggle__icon--moon { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--sun { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--moon { display: block; }
@media (prefers-reduced-motion: reduce) {
  .theme-toggle,
  .theme-toggle__icon {
    transition: none;
  }
  .theme-toggle:hover,
  .theme-toggle:active {
    transform: none;
  }
}
.mobile-menu-toggle {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: none;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  padding: 0;
  transition: color 160ms ease;
}
.mobile-menu-toggle:hover { color: var(--accent-cyan); }
.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}
.mobile-menu-toggle__icon {
  width: 25px;
  height: 25px;
  grid-area: 1 / 1;
  background-color: currentColor;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
}
.mobile-menu-toggle__icon--menu {
  mask-image: url("/assets/icon-menu.svg");
  -webkit-mask-image: url("/assets/icon-menu.svg");
}
.mobile-menu-toggle__icon--close {
  display: none;
  mask-image: url("/assets/icon-close.svg");
  -webkit-mask-image: url("/assets/icon-close.svg");
}
.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__icon--menu {
  display: none;
}
.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__icon--close {
  display: block;
}
.mobile-menu-shell {
  position: fixed;
  top: var(--site-header-height);
  left: 0;
  right: 0;
  z-index: 900;
  display: none;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--background) 96%, var(--surface));
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 200ms ease, visibility 180ms ease;
  visibility: hidden;
}
.mobile-menu-shell[data-open] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}
.mobile-menu {
  width: min(100% - 22px, 720px);
  max-height: calc(100dvh - var(--site-header-height));
  margin: 0 auto;
  display: grid;
  gap: 12px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 0 16px;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu__groups {
  display: grid;
  gap: 10px;
}
.mobile-menu__group {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 12px;
}
.mobile-menu__group h2 {
  margin: 0 0 8px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.35;
  text-transform: uppercase;
}
.mobile-menu__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 8px;
}
.mobile-menu__links a {
  min-height: 44px;
  display: flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  padding: 0 10px;
  font-size: 0.95rem;
  font-weight: 700;
}
.mobile-menu__links a:hover {
  border-color: color-mix(in srgb, var(--accent-cyan) 36%, var(--border));
  background: color-mix(in srgb, var(--accent-cyan) 7%, var(--surface));
  text-decoration: none;
}
.mobile-menu__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 12px;
}
.mobile-menu__meta p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}
.mobile-menu__meta strong { color: var(--text); }
@media (prefers-reduced-motion: reduce) {
  .mobile-menu-shell,
  .mobile-menu-toggle {
    transition: none;
  }
}

.hero {
  min-height: calc(74vh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.7fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(44px, 7vw, 82px) 0 36px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-orange);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 800;
}
h1, h2, h3 { margin: 0; line-height: 1.06; letter-spacing: 0; color: var(--text); }
h1 { font-size: clamp(2.55rem, 5vw, 4.45rem); max-width: 760px; }
h2 { font-size: clamp(1.75rem, 3.4vw, 3rem); }
h3 { font-size: 1.06rem; }
p, li { color: var(--text-muted); line-height: 1.65; }
.hero-copy > p { max-width: 740px; margin: 18px 0 0; font-size: 1.08rem; }
.badge-row, .hero-actions, .discovery-links, .tag-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.badge-row { margin-top: 24px; }
.badge, .tag-row span, .status-pill, .machine-name, .price-chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.status-pill {
  border-color: color-mix(in srgb, var(--warning) 42%, var(--border));
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 12%, var(--surface));
}
.price-chip {
  border-color: color-mix(in srgb, var(--accent-cyan) 46%, var(--border));
  color: var(--accent-cyan);
}
.launch-note, .compact-callout {
  margin-top: 18px;
  border: 1px solid color-mix(in srgb, var(--warning) 34%, var(--border));
  border-radius: 8px;
  background: color-mix(in srgb, var(--warning) 10%, var(--surface));
  color: var(--text-muted);
  padding: 14px 15px;
  line-height: 1.55;
}
.launch-note strong, .compact-callout strong { color: var(--text); }
.hero-actions { margin-top: 24px; }
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--text);
  font-weight: 730;
  text-align: center;
}
.button.primary {
  background: var(--button-background);
  border-color: var(--button-background);
  color: var(--button-text);
}
.button.secondary { background: var(--surface); }
.button:hover, .tool-card__link:hover, .discovery-links a:hover, .trust-card:hover {
  border-color: var(--accent-cyan);
  text-decoration: none;
}

.band, .section { padding: clamp(48px, 7vw, 78px) 0; }
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.5fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}
.section-heading p:last-child { margin: 0; }
.endpoint-grid, .card-grid, .trust-grid, .footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.different-grid, .flow, .integration-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.start-grid, .pack-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.trust-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.footer-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.tool-card, .flow-step, .sdk-panel, .info-panel, .trust-card, .feature-card, .audience-card, .pack-card, .footer-group {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-background);
  box-shadow: var(--shadow);
}
.info-panel, .tool-card, .flow-step, .sdk-panel, .feature-card, .audience-card, .pack-card { padding: 20px; }
.info-panel p, .flow-step p, .sdk-panel p, .feature-card p, .audience-card p, .pack-card p { margin-bottom: 0; }
.hero-panel h2 { font-size: clamp(1.45rem, 2.5vw, 2.1rem); }

.tool-card { min-height: 250px; display: flex; flex-direction: column; gap: 14px; }
.tool-card__topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.machine-name { color: var(--accent-cyan); border-radius: 999px; overflow-wrap: anywhere; }
.endpoint-paths { display: grid; gap: 8px; margin-top: auto; }
.endpoint-paths code, .route-pill, pre {
  display: block;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--code-background);
  color: var(--text);
  overflow-x: auto;
  overflow-wrap: anywhere;
}
.endpoint-paths code, .route-pill { padding: 8px; font-size: 0.78rem; }
pre { margin: 12px 0 0; padding: 16px; white-space: pre; -webkit-overflow-scrolling: touch; }
.tool-card__link, .discovery-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--accent-cyan) 30%, var(--border));
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-cyan) 8%, var(--surface));
  color: var(--link-color);
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.flow { counter-reset: step; }
.flow-step { min-height: 178px; position: relative; }
.flow-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 800;
}
.section-note {
  margin: 16px 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.pack-card .tool-list, .footer-group nav { display: grid; gap: 9px; }
.tool-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tool-list a, .tool-list code {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.sdk-panel h3 a, .audience-card h3 a, .pack-card h3 a { color: var(--text); }
.compact-links { margin-top: 16px; }
.trust-card { display: grid; gap: 8px; min-height: 104px; padding: 16px; align-content: center; }
.trust-card span { color: var(--text); font-weight: 740; }
.trust-card small { color: var(--text-muted); font-family: var(--font-mono); overflow-wrap: anywhere; }
.final-cta { border-top: 1px solid var(--border); }
.final-cta h2 { max-width: 760px; }

.disclaimer {
  border-top: 1px solid var(--border);
  padding: 36px 0 46px;
  color: var(--text-muted);
  font-size: 0.94rem;
}
.disclaimer strong { color: var(--text); }
.footer-grid { margin-top: 22px; }
.footer-group { padding: 16px; box-shadow: none; }
.footer-group h3 { margin-bottom: 12px; font-size: 0.95rem; }
.footer-group a { color: var(--text-muted); font-size: 0.92rem; }

@media (max-width: 1040px) {
  .hero, .section-heading, .integration-strip { grid-template-columns: 1fr; }
  .endpoint-grid, .start-grid, .pack-grid, .trust-grid, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .different-grid, .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  :root { --site-header-height: 64px; }
  .page-shell, .shell, .container { width: min(100% - 22px, 1180px); }
  .site-nav { position: -webkit-sticky; position: sticky; top: 0; z-index: 1000; }
  .nav-inner { align-items: center; flex-direction: row; padding: 10px 0; }
  .nav-actions { display: none; }
  .mobile-header-theme-toggle {
    display: inline-grid;
    margin-left: auto;
  }
  .mobile-menu-toggle { display: inline-grid; }
  .mobile-menu-shell { display: block; }
  .theme-toggle { margin-left: auto; }
  .mobile-menu-toggle + .theme-toggle { margin-left: 0; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 34px 0 18px; }
  h1 { font-size: clamp(2.05rem, 10.5vw, 2.7rem); }
  h2 { font-size: clamp(1.55rem, 8vw, 2.15rem); }
  p, li { font-size: 0.96rem; line-height: 1.58; }
  .band { padding: 44px 0; }
  .endpoint-grid, .different-grid, .flow, .start-grid, .pack-grid, .trust-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-actions, .discovery-links { align-items: stretch; flex-direction: column; }
  .button, .discovery-links a, .tool-card__link { width: 100%; min-height: 44px; }
  .tool-card { min-height: 0; }
  .tool-card, .flow-step, .sdk-panel, .info-panel, .feature-card, .audience-card, .pack-card { padding: 16px; }
  pre { font-size: 0.72rem; padding: 12px; }
}

@media (max-width: 380px) {
  .page-shell, .shell { width: min(100% - 18px, 1180px); }
  .brand-logo { width: 30px; height: 31px; flex-basis: 30px; }
  .mobile-menu { width: min(100% - 18px, 1180px); }
  .mobile-menu__links { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
}