:root {
  --ink: #0A1628;
  --ink-2: #10223A;
  --ink-3: #1A3150;
  --paper: #F6F8FB;
  --white: #FFFFFF;
  --text: #17212F;
  --muted: #566274;
  --line: #E2E8F0;
  --accent: #0D9488;
  --accent-bright: #2DD4BF;
  --accent-soft: #E6F6F4;
  --radius: 14px;
  --max: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); }
a:hover { color: var(--ink); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; color: var(--ink); letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 750; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 720; }
h3 { font-size: 1.15rem; font-weight: 680; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--white); padding: 8px 12px; z-index: 100; border-radius: 6px; }
:focus-visible { outline: 3px solid var(--accent-bright); outline-offset: 2px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 22, 40, .92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--white); }
.brand:hover { color: var(--white); }
.brand svg { width: 34px; height: 34px; }
.brand-name { font-weight: 750; font-size: 1.1rem; letter-spacing: .01em; }
.brand-name span { color: var(--accent-bright); font-weight: 500; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-links a { color: #C9D4E3; text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--white); }
.nav-links .btn { color: var(--ink); }
.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,.2); border-radius: 8px;
  color: var(--white); padding: 8px 10px; cursor: pointer; font: inherit; font-size: .9rem;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 10px; font-weight: 650; font-size: .98rem;
  text-decoration: none; border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent-bright); color: var(--ink); }
.btn-primary:hover { background: #5EEAD4; color: var(--ink); }
.btn-ghost { border-color: rgba(255,255,255,.28); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); color: var(--white); }
.btn-small { padding: 9px 16px; font-size: .9rem; }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--ink-3); color: var(--white); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% 10%, rgba(45,212,191,.18), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(56,189,248,.10), transparent 60%),
    var(--ink);
  color: #C9D4E3;
  padding: 96px 0 104px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 90%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 90%);
  pointer-events: none;
}
.hero .container { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-bright); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-bright); box-shadow: 0 0 0 4px rgba(45,212,191,.18); }
.hero h1 { color: var(--white); max-width: 820px; }
.hero h1 em { font-style: normal; color: var(--accent-bright); }
.hero .lead { font-size: 1.18rem; max-width: 680px; color: #B8C5D6; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 48px; padding: 0; list-style: none; }
.hero-tags li {
  border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.04);
  color: #DCE5F0; padding: 7px 14px; border-radius: 999px; font-size: .9rem;
}

/* Sections */
section { padding: 92px 0; }
.section-alt { background: var(--paper); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head .kicker { color: var(--accent); font-weight: 700; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; display: block; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* Service cards */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.card:hover { border-color: #B9E7E1; box-shadow: 0 12px 30px -18px rgba(10,22,40,.35); transform: translateY(-2px); }
.icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; margin-bottom: 18px;
}
.icon svg { width: 24px; height: 24px; }
.card p { color: var(--muted); font-size: .98rem; }
.card ul { margin: 14px 0 0; padding: 0; list-style: none; }
.card li { position: relative; padding-left: 22px; font-size: .94rem; color: var(--text); margin-bottom: 6px; }
.card li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: var(--accent-bright); }

/* Tech strip */
.tech { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding: 0; list-style: none; }
.tech li { background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; font-size: .9rem; font-weight: 550; color: var(--ink-3); }

/* Engagement */
.engage { background: var(--ink); color: #C9D4E3; }
.engage h2, .engage h3 { color: var(--white); }
.engage .section-head p { color: #A9B7C9; }
.engage .section-head .kicker { color: var(--accent-bright); }
.engage .card { background: var(--ink-2); border-color: rgba(255,255,255,.08); }
.engage .card:hover { border-color: rgba(45,212,191,.45); box-shadow: none; }
.engage .card p { color: #A9B7C9; }
.engage .icon { background: rgba(45,212,191,.12); color: var(--accent-bright); }

/* Process */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; position: relative; padding: 26px 26px 26px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.steps li::before {
  content: "0" counter(step); display: block; font-weight: 800; font-size: .95rem; color: var(--accent);
  margin-bottom: 10px; letter-spacing: .05em;
}
.steps p { color: var(--muted); font-size: .96rem; margin: 0; }

/* Why */
.why { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.why-list { display: grid; gap: 18px; }
.why-item { display: grid; grid-template-columns: 46px 1fr; gap: 16px; align-items: start; }
.why-item .icon { margin: 0; }
.why-item h3 { margin-bottom: 4px; }
.why-item p { color: var(--muted); margin: 0; font-size: .98rem; }

/* Contact */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: start; }
.contact-info p { color: var(--muted); }
.contact-detail { margin-top: 26px; display: grid; gap: 14px; }
.contact-detail div { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; }
.contact-detail svg { width: 20px; height: 20px; color: var(--accent); margin-top: 3px; }
.contact-detail strong { display: block; color: var(--ink); font-size: .9rem; }
.contact-detail span, .contact-detail a { font-size: .98rem; }
form.contact { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: 0 20px 40px -30px rgba(10,22,40,.4); }
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--ink); }
label .opt { color: var(--muted); font-weight: 400; }
input, select, textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--text);
  padding: 11px 13px; border: 1px solid #CBD5E1; border-radius: 9px; background: var(--white);
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: 3px solid rgba(45,212,191,.25); outline-offset: 0; }
textarea { min-height: 130px; resize: vertical; }
.hidden { position: absolute; left: -9999px; }
.form-note { font-size: .85rem; color: var(--muted); margin: 6px 0 18px; }
form.contact .btn { width: 100%; }

/* Footer */
.site-footer { background: var(--ink); color: #9AA9BC; padding: 54px 0 34px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: var(--white); font-size: .95rem; margin: 0 0 12px; }
.site-footer a { color: #C9D4E3; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-blurb { margin-top: 14px; max-width: 360px; }
.legal { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 22px; font-size: .84rem; color: #7F8EA3; }
.legal p { margin: 0 0 4px; }

/* Simple pages */
.page { padding: 72px 0 96px; }
.page .container { max-width: 820px; }
.page h2 { font-size: 1.35rem; margin-top: 2em; }
.page p, .page li { color: #2E3A4B; }
.page-hero { background: var(--ink); padding: 64px 0 56px; }
.page-hero h1 { color: var(--white); font-size: clamp(1.9rem, 4vw, 2.6rem); margin: 0; }
.page-hero p { color: #A9B7C9; margin: 10px 0 0; }
.center { text-align: center; }

/* Responsive */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .why, .contact-wrap { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  section { padding: 68px 0; }
  .hero { padding: 64px 0 72px; }
  .nav-toggle { display: inline-block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.08); padding: 8px 20px 18px;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 0; }
  .nav-links li a.btn { display: flex; margin-top: 8px; padding: 12px 16px; }
  .grid-3, .grid-4, .grid-2, .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  form.contact { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}