:root {
  --bg: #0b1626;
  --bg-alt: #0f1d31;
  --surface: #142540;
  --border: #22395c;
  --text: #e6eef8;
  --text-muted: #9db0c9;
  --accent: #7fd1ff;
  --accent-strong: #3fb6ff;
  --accent-ink: #061120;
  --ice: #e9f1fa;
  --maple: #d52b1e;
  --aurora-green: rgba(61, 220, 151, .22);
  --aurora-violet: rgba(139, 108, 255, .18);
  --max: 1120px;
  --gutter: 16px;
  --radius: 10px;
  --font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6em; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.muted { color: var(--text-muted); }
.small { font-size: .875rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: .5rem 1rem; }
.skip:focus { left: var(--gutter); z-index: 100; }

.eyebrow {
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}
.lead { font-size: 1.2rem; color: var(--text-muted); max-width: 40ch; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  padding: .75rem 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface); border-color: var(--accent); }
.btn-small { padding: .5rem .9rem; font-size: .95rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 22, 38, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); font-weight: 600; font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand img { color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.site-nav a { color: var(--text-muted); font-size: .95rem; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-nav .btn { color: var(--accent-ink); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 6px; width: 44px; height: 40px; cursor: pointer; position: relative; }
.bars, .bars::before, .bars::after {
  content: ""; position: absolute; left: 11px; width: 20px; height: 2px; background: var(--text); transition: transform .2s;
}
.bars { top: 19px; }
.bars::before { top: -6px; left: 0; }
.bars::after { top: 6px; left: 0; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 6rem) 0 0;
  background:
    radial-gradient(900px 420px at 70% -20%, var(--aurora-green), transparent 65%),
    radial-gradient(700px 380px at 95% 10%, var(--aurora-violet), transparent 65%),
    radial-gradient(800px 420px at 20% 0%, rgba(127, 209, 255, .14), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 2rem; align-items: end; }
.hero-copy { padding-bottom: clamp(3rem, 7vw, 5rem); }
.hero-art { position: relative; align-self: end; padding-top: 1rem; }
.hero-art img { width: 100%; height: auto; display: block; position: relative; z-index: 1; }
.hero-art .horizon {
  position: absolute; left: -100vw; right: -100vw; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--ice) 35%, var(--ice) 65%, transparent);
  opacity: .5;
}
.eyebrow-leaf { display: inline-flex; align-items: center; gap: .5rem; }
.eyebrow-leaf img { display: inline-block; }
.leaf-line { display: inline-flex; align-items: center; gap: .45rem; }

.facts-band { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.facts { list-style: none; margin: 0 auto; padding: 1.25rem var(--gutter); display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.facts li { display: grid; gap: .2rem; font-size: .95rem; color: var(--text-muted); }
.fact-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }

/* Sections */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.band { padding: clamp(2.5rem, 6vw, 4rem) 0; }
.band p { font-size: 1.1rem; color: var(--text-muted); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card h3 { margin-bottom: .5rem; }
.card p { margin: 0; color: var(--text-muted); }

.two-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; }
.defs { margin: 0; display: grid; gap: 1.25rem; }
.defs div { border-left: 2px solid var(--accent); padding-left: 1rem; }
.defs dt { font-weight: 600; margin-bottom: .25rem; }
.defs dd { margin: 0; color: var(--text-muted); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.5rem; }
.steps li { position: relative; padding-left: 3.5rem; }
.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  font-family: var(--mono); color: var(--accent); font-size: 1.1rem;
}
.steps h3 { margin-bottom: .25rem; }
.steps p { margin: 0; color: var(--text-muted); }

details { border-top: 1px solid var(--border); padding: 1rem 0; }
details:last-of-type { border-bottom: 1px solid var(--border); }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-family: var(--mono); }
details[open] summary::after { content: "\2212"; }
details p { margin: .75rem 0 0; color: var(--text-muted); }

/* Contact */
.contact-form { display: grid; gap: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.contact-form label { display: grid; gap: .35rem; font-size: .95rem; color: var(--text-muted); }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: .6rem .75rem; width: 100%;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.contact-form .btn { justify-self: start; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 3rem 0; background: var(--bg-alt); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .6fr 1.2fr; gap: 2rem; align-items: start; }
.site-footer nav { display: grid; gap: .5rem; }
.site-footer nav a { color: var(--text-muted); }
.site-footer .brand { margin-bottom: .75rem; }

@media (max-width: 900px) {
  .hero-grid, .two-col, .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-copy { padding-bottom: 0; }
  .hero-art { max-width: 420px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 64px;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: .5rem var(--gutter) 1rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .75rem 0; border-bottom: 1px solid var(--border); }
  .site-nav .btn { margin-top: .75rem; text-align: center; border-bottom: 0; }
  .nav-toggle[aria-expanded="true"] .bars { background: transparent; }
  .nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }
  .cards { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bars, .bars::before, .bars::after { transition: none; }
}

address { font-style: normal; margin-top: 1rem; line-height: 1.5; }