@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@90..110,400..800&display=swap');

:root {
  --bg: oklch(0.095 0 0);
  --surface: oklch(0.145 0.008 340);
  --surface-2: oklch(0.19 0.012 340);
  --ink: oklch(0.97 0.005 340);
  --muted: oklch(0.76 0.018 340);
  --line: oklch(0.31 0.012 340);
  --acid: oklch(0.91 0.22 126);
  --acid-dark: oklch(0.22 0.055 126);
  --rose: oklch(0.63 0.20 340);
  --light: oklch(0.97 0.006 340);
  --light-ink: oklch(0.16 0.012 340);
  --light-muted: oklch(0.43 0.018 340);
  --danger: oklch(0.67 0.19 25);
  --max: 1180px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Archivo', Arial, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 50;
  padding: .75rem 1rem; background: var(--acid); color: var(--light-ink);
  transform: translateY(-160%); transition: transform 160ms var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--rose); outline-offset: 4px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.measure { max-width: 70ch; }
.muted { color: var(--muted); }
.kicker { color: var(--acid); font-size: .78rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
}
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 1.5rem; }
.brand-mark { flex: 0 0 46px; width: 46px; height: 46px; display: grid; place-items: center; text-decoration: none; }
.brand-mark img { width: 42px; height: 42px; object-fit: cover; border-radius: 10px; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: .35rem; }
.main-nav > a, .nav-dropdown > summary {
  min-height: 44px; display: flex; align-items: center; padding: .5rem .85rem;
  text-decoration: none; font-size: .94rem; font-weight: 650; cursor: pointer;
}
.main-nav > a[aria-current='page'] { color: var(--acid); }
.nav-dropdown { position: relative; }
.nav-dropdown > summary { list-style: none; }
.nav-dropdown > summary::-webkit-details-marker { display: none; }
.nav-dropdown > summary::after { content: '⌄'; margin-left: .45rem; color: var(--acid); }
.nav-menu {
  position: absolute; top: calc(100% + 8px); right: 0; width: 290px; padding: .55rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
}
.nav-menu a { display: block; padding: .8rem .9rem; border-radius: 9px; text-decoration: none; }
.nav-menu a:hover { background: var(--surface-2); }
.menu-toggle { display: none; margin-left: auto; min-width: 46px; min-height: 46px; background: none; border: 1px solid var(--line); border-radius: 10px; }

.hero { padding: clamp(2.5rem, 7vw, 6.5rem) 0 clamp(4rem, 8vw, 7.5rem); overflow: clip; }
.hero-visual { position: relative; margin: 0 auto clamp(2.5rem, 5vw, 4.5rem); max-width: 1120px; }
.hero-visual::before { content: ''; position: absolute; inset: auto 5% -4% 5%; height: 35%; background: var(--acid); filter: blur(90px); opacity: .13; }
.hero-visual img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 16px 16px 16px 3px; position: relative; }
.hero-copy { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr); gap: clamp(2rem, 7vw, 7rem); align-items: end; }
.hero h1 { margin: .35rem 0 1rem; max-width: 17ch; font-size: clamp(3rem, 7.3vw, 5.9rem); line-height: .98; letter-spacing: -.035em; text-wrap: balance; }
.hero-lead { max-width: 66ch; margin: 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.hero-side { align-self: stretch; display: flex; flex-direction: column; justify-content: flex-end; gap: 1.25rem; border-top: 1px solid var(--line); padding-top: 1.25rem; }
.hero-points { margin: 0; padding: 0; list-style: none; display: grid; gap: .65rem; }
.hero-points li { display: flex; gap: .65rem; align-items: flex-start; color: var(--muted); }
.hero-points li::before { content: '◆'; color: var(--acid); font-size: .62rem; margin-top: .38rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .72rem 1rem; border: 1px solid var(--acid); border-radius: 999px;
  background: var(--acid); color: var(--light-ink); font-weight: 800; text-decoration: none;
  transition: transform 150ms var(--ease-out), background-color 180ms ease, color 180ms ease;
}
.button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.button:active { transform: scale(.97); }

.trust-strip { border-block: 1px solid var(--line); }
.trust-strip .container { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1rem; color: var(--muted); font-size: .92rem; }
.trust-strip strong { color: var(--ink); }

.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section.light { background: var(--light); color: var(--light-ink); }
.section.light .muted, .section.light .section-intro { color: var(--light-muted); }
.section-header { display: grid; grid-template-columns: minmax(180px, .45fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 5rem); margin-bottom: 2.8rem; }
.section-header h2 { margin: 0; font-size: clamp(2.1rem, 4.7vw, 4.4rem); line-height: 1.02; letter-spacing: -.03em; max-width: 17ch; text-wrap: balance; }
.section-intro { margin: .4rem 0 0; color: var(--muted); max-width: 65ch; }
.prose-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 6rem); }
.prose-split p { margin-top: 0; }

.method-stage { display: grid; grid-template-columns: minmax(0, .7fr) minmax(300px, 1.3fr); gap: 1rem; align-items: stretch; }
.method-name { min-height: 310px; display: grid; align-content: end; padding: clamp(1.5rem, 4vw, 3rem); background: var(--acid); color: var(--light-ink); clip-path: polygon(0 0, 88% 0, 100% 16%, 100% 100%, 0 100%); }
.method-name span { font-size: clamp(3rem, 8vw, 7rem); font-weight: 800; line-height: .8; letter-spacing: -.04em; }
.method-copy { padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.method-note { margin: 2rem 0 0; padding-top: 1rem; border-top: 1px solid currentColor; font-size: .92rem; }

.feature-mosaic { display: grid; grid-template-columns: 1.2fr .8fr 1fr; grid-auto-flow: dense; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature { background: var(--bg); padding: clamp(1.4rem, 3vw, 2.5rem); min-height: 220px; }
.feature:nth-child(1), .feature:nth-child(4) { grid-row: span 2; min-height: 320px; }
.feature:nth-child(2) { background: var(--acid-dark); }
.feature h3 { margin: 0 0 .7rem; font-size: clamp(1.25rem, 2.2vw, 1.7rem); line-height: 1.15; }
.feature p { color: var(--muted); margin: 0; }

.launch-flow { position: relative; display: grid; gap: 1.25rem; }
.launch-step { display: grid; grid-template-columns: 92px 1fr; gap: 1.4rem; align-items: start; width: min(880px, 100%); padding: 1.5rem; border-top: 1px solid var(--line); }
.launch-step:nth-child(2) { margin-left: 10%; }
.launch-step:nth-child(3) { margin-left: 20%; }
.step-index { width: 54px; height: 54px; display: grid; place-items: center; transform: rotate(45deg); background: var(--acid); color: var(--light-ink); font-weight: 800; }
.step-index span { transform: rotate(-45deg); }
.launch-step h3 { margin: 0 0 .4rem; }
.launch-step p { margin: 0; color: var(--muted); }

.integration-pair { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.integration { min-height: 320px; padding: clamp(1.5rem, 4vw, 3.25rem); background: var(--surface); color: var(--ink); }
.integration:nth-child(2) { background: var(--light); color: var(--light-ink); }
.integration:nth-child(2) p { color: var(--light-muted); }
.integration h3 { font-size: clamp(1.7rem, 3vw, 2.6rem); margin: 0 0 1rem; }
.integration p { color: var(--muted); }

.signature { padding: clamp(4.5rem, 10vw, 9rem) 0; background: var(--acid); color: var(--light-ink); overflow: hidden; }
.signature .section-header { margin-bottom: 4rem; }
.signature .section-intro { color: oklch(0.29 0.04 126); }
.control-loop { position: relative; min-height: 420px; display: grid; grid-template-columns: 1fr 1.25fr 1fr; align-items: center; gap: clamp(1rem, 3vw, 2.5rem); }
.control-loop::before { content: ''; position: absolute; left: 13%; right: 13%; top: 50%; height: 8px; background: var(--light-ink); transform: translateY(-50%); }
.loop-node { position: relative; z-index: 1; min-height: 210px; padding: 1.5rem; background: var(--bg); color: var(--ink); border-radius: 14px; display: flex; flex-direction: column; justify-content: space-between; }
.loop-node.center { min-height: 330px; clip-path: polygon(12% 0, 100% 0, 100% 88%, 88% 100%, 0 100%, 0 12%); }
.loop-node span { color: var(--acid); font-weight: 800; }
.loop-node h3 { margin: .75rem 0; font-size: clamp(1.4rem, 3vw, 2.3rem); }
.loop-node p { margin: 0; color: var(--muted); }

.bullet-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.bullet-band div { background: var(--surface); padding: 1.5rem; min-height: 170px; }
.bullet-band div::before { content: '◆'; color: var(--acid); display: block; margin-bottom: 1rem; }

.faq-wrap { display: grid; grid-template-columns: .35fr 1fr; gap: clamp(2rem, 6vw, 6rem); }
.faq-aside { position: sticky; top: 110px; align-self: start; }
.faq-search { width: 100%; min-height: 48px; margin-top: 1rem; padding: .7rem .85rem; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.faq-grid details { background: var(--bg); padding: 1.25rem; }
.faq-grid details:first-child { grid-column: 1 / -1; }
.faq-grid summary { cursor: pointer; font-weight: 750; line-height: 1.3; list-style: none; padding-right: 2rem; position: relative; }
.faq-grid summary::after { content: '+'; position: absolute; right: 0; color: var(--acid); font-size: 1.4rem; }
.faq-grid details[open] summary::after { content: '−'; }
.faq-grid p { color: var(--muted); margin-bottom: 0; }
.faq-grid details[hidden] { display: none; }

.cta-island { width: min(calc(100% - 40px), 1040px); margin: clamp(4rem, 8vw, 7rem) auto; padding: clamp(2rem, 6vw, 5rem); background: var(--light); color: var(--light-ink); clip-path: polygon(0 0, 93% 0, 100% 18%, 100% 100%, 7% 100%, 0 82%); }
.cta-island h2 { margin: 0 0 1rem; max-width: 18ch; font-size: clamp(2.3rem, 5.5vw, 5rem); line-height: 1; letter-spacing: -.035em; }
.cta-island p { max-width: 65ch; color: var(--light-muted); }

.breadcrumbs { padding-top: 1.25rem; color: var(--muted); font-size: .9rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; list-style: none; }
.breadcrumbs li + li::before { content: '/'; margin-right: .5rem; }
.inner-hero { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.inner-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 7vw, 7rem); align-items: end; }
.inner-hero h1 { margin: .4rem 0 1.2rem; font-size: clamp(3rem, 7vw, 6rem); line-height: .96; letter-spacing: -.035em; max-width: 15ch; text-wrap: balance; }
.route-mini { min-height: 330px; position: relative; border: 1px solid var(--line); background: var(--surface); clip-path: polygon(0 0, 86% 0, 100% 14%, 100% 100%, 0 100%); }
.route-mini::before { content: ''; position: absolute; width: 70%; height: 46%; left: 15%; top: 28%; border: 9px solid var(--acid); border-right-color: transparent; border-radius: 50%; transform: rotate(-12deg); }
.route-mini span { position: absolute; width: 28px; height: 28px; background: var(--acid); transform: rotate(45deg); }
.route-mini span:first-child { left: 17%; top: 54%; }
.route-mini span:nth-child(2) { left: 50%; top: 24%; }
.route-mini span:nth-child(3) { right: 17%; bottom: 28%; }

.contact-layout { display: grid; grid-template-columns: .55fr 1fr; gap: clamp(2rem, 7vw, 7rem); }
.contact-form { padding: clamp(1.5rem, 4vw, 3rem); background: var(--light); color: var(--light-ink); border-radius: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 750; }
.field input, .field textarea { width: 100%; min-height: 50px; padding: .75rem .85rem; border: 1px solid oklch(0.73 0.01 340); border-radius: 8px; background: white; color: var(--light-ink); }
.field textarea { min-height: 160px; resize: vertical; }
.field small { color: var(--light-muted); }
.honeypot { position: absolute; left: -9999px; }
.form-status { min-height: 1.6em; margin: .8rem 0; font-weight: 650; }
.form-status.error { color: var(--danger); }
.contact-form button[disabled] { opacity: .6; cursor: wait; }

.legal { background: var(--light); color: var(--light-ink); }
.legal main { width: min(calc(100% - 40px), 820px); margin: auto; padding: clamp(4rem, 8vw, 7rem) 0; }
.legal h1 { font-size: clamp(2.8rem, 7vw, 5rem); line-height: 1; }
.legal h2 { margin-top: 2.4rem; }
.legal p, .legal li { color: var(--light-muted); }

.site-footer { border-top: 1px solid var(--line); padding: 2.4rem 0 1.3rem; }
.footer-main { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: start; }
.footer-brand { display: flex; gap: 1rem; align-items: center; }
.footer-brand img { width: 54px; height: 54px; border-radius: 12px; }
.footer-brand strong { display: block; }
.footer-brand span { color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .4rem 1rem; }
.footer-links a { color: var(--muted); }
.footer-legal { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; color: var(--muted); font-size: .85rem; }

@media (hover: hover) and (pointer: fine) {
  .button:hover { transform: translateY(-2px); }
  .button.secondary:hover { border-color: var(--acid); color: var(--acid); }
  .main-nav > a:hover, .nav-dropdown > summary:hover { color: var(--acid); }
}

@media (max-width: 860px) {
  .menu-toggle { display: grid; place-items: center; }
  .main-nav { display: none; position: fixed; inset: 77px 0 auto; padding: 1rem 20px 1.5rem; background: var(--bg); border-bottom: 1px solid var(--line); align-items: stretch; }
  .main-nav.open { display: grid; }
  .main-nav > a, .nav-dropdown > summary { min-height: 50px; padding-inline: 0; }
  .nav-menu { position: static; width: 100%; border: 0; padding: .3rem 0 .5rem 1rem; }
  .hero-copy, .section-header, .inner-hero-grid, .contact-layout, .faq-wrap, .footer-main { grid-template-columns: 1fr; }
  .hero-side { max-width: 620px; }
  .feature-mosaic { grid-template-columns: 1fr 1fr; }
  .feature:nth-child(1), .feature:nth-child(4) { grid-row: auto; min-height: 240px; }
  .method-stage { grid-template-columns: 1fr; }
  .method-name { min-height: 220px; }
  .control-loop { grid-template-columns: 1fr; min-height: 0; }
  .control-loop::before { left: 28px; right: auto; top: 10%; bottom: 10%; width: 7px; height: auto; transform: none; }
  .loop-node, .loop-node.center { min-height: 190px; margin-left: 42px; clip-path: none; }
  .launch-step:nth-child(n) { margin-left: 0; }
  .bullet-band { grid-template-columns: 1fr; }
  .faq-aside { position: static; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .hero { padding-top: 1.5rem; }
  .hero-visual { margin-inline: -14px; }
  .hero-visual img { border-radius: 0; }
  .hero h1, .inner-hero h1 { font-size: clamp(2.65rem, 14vw, 4.25rem); }
  .feature-mosaic, .integration-pair, .faq-grid, .form-grid { grid-template-columns: 1fr; }
  .faq-grid details:first-child { grid-column: auto; }
  .feature { min-height: 0; }
  .launch-step { grid-template-columns: 62px 1fr; padding-inline: 0; }
  .launch-step:nth-child(n) { margin-left: 0; }
  .cta-island { width: calc(100% - 28px); clip-path: none; }
  .field.full { grid-column: auto; }
  .trust-strip .container { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .button:hover { transform: none; }
}