:root {
  --ink: #18201d;
  --muted: #5d6964;
  --paper: #f4f7f5;
  --white: #ffffff;
  --line: #d9e0dc;
  --green: #1c6750;
  --green-dark: #124936;
  --cyan: #d9eff0;
  --amber: #f2c46d;
  --charcoal: #202a27;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, .28);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 750;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid currentColor;
  font-size: 11px;
  font-weight: 800;
}

.header-right { display: flex; align-items: center; gap: 22px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { text-decoration: none; font-size: 13px; font-weight: 650; }
.site-nav a:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav-contact { padding: 9px 13px; border: 1px solid rgba(255, 255, 255, .6); }
.menu-toggle { display: none; }

.lang-switch { display: inline-flex; border: 1px solid rgba(255, 255, 255, .55); border-radius: 999px; overflow: hidden; flex: none; }
.lang-switch button { background: transparent; color: var(--white); border: 0; padding: 6px 11px; font: inherit; font-size: 12px; font-weight: 700; letter-spacing: .03em; cursor: pointer; opacity: .68; transition: background .15s, color .15s, opacity .15s; }
.lang-switch button:hover { opacity: 1; }
.lang-switch button.active { background: var(--white); color: var(--ink); opacity: 1; }

.hero {
  position: relative;
  min-height: min(820px, 92vh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
}

.hero-image, .hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image { object-fit: cover; object-position: center; }
.hero-shade { background: rgba(10, 24, 19, .46); }

.hero-content {
  position: relative;
  z-index: 1;
  width: min(650px, 88vw);
  margin: 0 0 112px 8vw;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.hero .eyebrow, .contact-band .eyebrow, .trust-band .eyebrow { color: var(--amber); }
.hero h1 { margin: 0; font-size: clamp(54px, 9vw, 118px); line-height: .9; letter-spacing: 0; }
.hero-copy { max-width: 590px; margin: 24px 0 0; font-size: clamp(18px, 2vw, 24px); line-height: 1.45; color: rgba(255, 255, 255, .9); }
.hero-actions { display: flex; gap: 10px; margin-top: 30px; }

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 13px;
  font-weight: 750;
}

.button.primary { background: var(--amber); color: #231b0c; }
.button.primary:hover { background: #ffd789; }
.button.secondary { border-color: rgba(255, 255, 255, .62); color: var(--white); }
.button.secondary:hover { background: rgba(255, 255, 255, .12); }

.hero-status {
  position: absolute;
  z-index: 1;
  right: 4vw;
  bottom: 28px;
  display: flex;
  gap: 18px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-status span { padding-left: 12px; border-left: 2px solid var(--amber); }
.section { padding: 92px 8vw; }
.intro-section { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 8vw; }
.section-heading h2, .contact-band h2, .trust-band h2 { margin: 0; max-width: 850px; font-size: clamp(34px, 5vw, 64px); line-height: 1.05; letter-spacing: 0; }
.section-heading.compact h2 { max-width: 700px; font-size: clamp(32px, 4vw, 52px); }
.section-heading.compact > p:last-child { max-width: 610px; margin: 20px 0 0; color: var(--muted); line-height: 1.65; }
.intro-copy { align-self: end; font-size: 17px; line-height: 1.65; color: var(--muted); }

.module-band { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.module { min-height: 450px; display: grid; grid-template-rows: auto 1fr; gap: 52px; padding: 34px 3vw 42px; border-right: 1px solid var(--line); }
.module:last-child { border-right: 0; }
.module-number { color: var(--muted); font-size: 12px; font-weight: 800; }
.module-label { margin: 0 0 12px; color: var(--green); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.module h3 { margin: 0; font-size: 44px; }
.module p:not(.module-label) { min-height: 88px; color: var(--muted); line-height: 1.55; }
.module ul { margin: 28px 0 0; padding: 0; list-style: none; }
.module li { padding: 10px 0; border-top: 1px solid var(--line); font-size: 13px; font-weight: 650; }
.module-dsc { background: var(--white); }
.module-pipelines { background: var(--cyan); }
.module-data { background: #eef0ea; }

.architecture { display: grid; grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr); gap: 6vw; align-items: center; }
.architecture-flow { display: grid; grid-template-columns: 1fr 42px 1fr 42px 1.25fr; align-items: center; }
.flow-node { min-height: 128px; display: flex; flex-direction: column; justify-content: center; gap: 7px; padding: 18px; background: var(--white); border: 1px solid var(--line); }
.flow-node.emphasis { background: var(--green-dark); color: var(--white); border-color: var(--green-dark); }
.flow-node strong { font-size: 16px; }
.flow-node small { color: var(--muted); line-height: 1.4; }
.flow-node.emphasis small { color: rgba(255, 255, 255, .7); }
.flow-index { color: var(--green); font-size: 11px; font-weight: 800; }
.flow-node.emphasis .flow-index { color: var(--amber); }
.flow-link { height: 1px; background: var(--green); }
.flow-targets { display: grid; gap: 8px; }
.flow-targets .flow-node { min-height: 84px; }

.trust-band { display: grid; grid-template-columns: .75fr 1.25fr; gap: 7vw; padding: 88px 8vw; background: var(--charcoal); color: var(--white); }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255, 255, 255, .2); border-left: 1px solid rgba(255, 255, 255, .2); }
.trust-grid article { min-height: 170px; padding: 22px; border-right: 1px solid rgba(255, 255, 255, .2); border-bottom: 1px solid rgba(255, 255, 255, .2); }
.trust-grid strong { font-size: 16px; }
.trust-grid p { color: rgba(255, 255, 255, .66); font-size: 13px; line-height: 1.55; }

.roadmap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; }
.roadmap-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.roadmap-list li { display: grid; grid-template-columns: 90px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.roadmap-list span { color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.roadmap-list strong { line-height: 1.5; }
.roadmap-list .active span { color: var(--green); }

.contact-band { min-height: 310px; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 70px 8vw; color: var(--white); background: var(--green-dark); }
.contact-band h2 { max-width: 780px; }

footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 34px; padding: 24px 4vw; background: #101714; color: rgba(255, 255, 255, .68); font-size: 12px; }
.footer-brand { color: var(--white); }

@media (max-width: 980px) {
  .module-band { grid-template-columns: 1fr; }
  .module { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .module p:not(.module-label) { min-height: 0; }
  .architecture, .roadmap, .trust-band { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header { height: 62px; padding: 0 18px; }
  .header-right { gap: 12px; }
  .menu-toggle { display: block; border: 1px solid rgba(255, 255, 255, .6); background: transparent; color: var(--white); padding: 8px 10px; font: inherit; font-size: 12px; font-weight: 700; }
  .site-nav { position: absolute; top: 62px; left: 0; right: 0; display: none; padding: 18px; background: rgba(16, 23, 20, .97); }
  .site-nav.open { display: grid; gap: 18px; }
  .nav-contact { padding: 0; border: 0; }
  .hero { min-height: 720px; }
  .hero-image { object-position: 61% center; }
  .hero-shade { background: rgba(10, 24, 19, .5); }
  .hero-content { width: auto; margin: 0 20px 120px; }
  .hero h1 { font-size: 54px; }
  .hero-copy { font-size: 17px; }
  .hero-status { left: 20px; right: 20px; bottom: 24px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px 12px; font-size: 9px; }
  .hero-status span { white-space: normal; }
  .hero-status span:last-child { grid-column: 1 / -1; }
  .hero-actions { flex-wrap: wrap; }
  .section, .trust-band, .contact-band { padding: 64px 20px; }
  .section-heading h2, .contact-band h2, .trust-band h2 { overflow-wrap: anywhere; }
  .intro-section { grid-template-columns: 1fr; gap: 28px; }
  .module { padding: 28px 20px 34px; gap: 28px; }
  .architecture-flow { grid-template-columns: 1fr; gap: 8px; }
  .flow-link { width: 1px; height: 24px; justify-self: center; }
  .trust-grid { grid-template-columns: 1fr; }
  .contact-band { align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 12px; padding: 28px 20px; }
}

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

.request-band { background: var(--white); border-top: 1px solid var(--line); }
.access-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 26px; max-width: 560px; }
.access-input { flex: 1 1 280px; border: 1px solid var(--line); border-radius: 8px; padding: 13px 14px; font-size: 15px; background: var(--paper); color: var(--ink); }
.access-input:focus { outline: 2px solid var(--green); outline-offset: 1px; }
.access-form .button { flex: 0 0 auto; }
.access-status { flex-basis: 100%; margin: 4px 0 0; font-size: 14px; min-height: 18px; color: var(--muted); }
.access-status.ok { color: var(--green); }
.access-status.error { color: #b4341c; }