:root {
  --blue: #0a74e0;
  --blue-dark: #0759ad;
  --sky: #5ec4ff;
  --ink: #0f1b2d;
  --text: #33415a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --soft: #f4f8fc;
  --navy: #0a1220;
  --navy-2: #101b30;
  --radius: 14px;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--blue); }
a:hover { color: var(--blue-dark); }
.wrap { width: min(var(--max), 100% - 40px); margin-inline: auto; }
.wrap > * { min-width: 0; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--blue); }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.brand img { height: 48px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text); text-decoration: none; font-weight: 550; font-size: .95rem; }
.nav a:hover { color: var(--blue); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 10px; font-weight: 650; text-decoration: none; border: 1px solid transparent; transition: .15s; font-size: .98rem; }
.btn-primary { background: var(--blue); color: #fff !important; box-shadow: 0 6px 18px rgba(10,116,224,.28); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-ghost { border-color: #c9d6e6; color: var(--ink) !important; background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue) !important; }
.nav .btn { padding: 9px 18px; color: #fff; }

/* hero */
.hero { background: radial-gradient(1100px 520px at 85% -10%, #dbeeff 0, transparent 60%), linear-gradient(#fff, var(--soft)); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: 84px 0 76px; }
.hero h1 span { color: var(--blue); }
.hero p.lead { font-size: 1.2rem; margin: 22px 0 32px; max-width: 34rem; color: var(--text); }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero .proof { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 34px; color: var(--muted); font-size: .92rem; }
.hero .proof li { list-style: none; display: flex; align-items: center; gap: 8px; }
.hero .proof { padding: 0; }
.hero .proof svg { width: 17px; height: 17px; color: var(--blue); flex: none; }
.hero-art { position: relative; }
.hero-art svg, .hero-art img { width: min(440px, 100%); margin-inline: auto; filter: drop-shadow(0 30px 40px rgba(10,24,48,.28)); }

/* sections */
section { padding: 92px 0; }
.section-head { max-width: 42rem; margin-bottom: 52px; }
.section-head p { margin-top: 14px; font-size: 1.1rem; color: var(--muted); }
.section-head .eyebrow { display: block; margin-bottom: 12px; }
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: .2s; }
.card:hover { border-color: #b8d4f3; box-shadow: 0 14px 34px rgba(15,27,45,.08); transform: translateY(-2px); }
.card .icon { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(145deg, #e8f3ff, #cfe6ff); color: var(--blue); display: grid; place-items: center; margin-bottom: 18px; }
.card .icon svg { width: 24px; height: 24px; }
.card p { margin-top: 10px; color: var(--muted); font-size: .98rem; }

/* infrastructure (dark) */
.infra { background: var(--navy); color: #c3cfe2; position: relative; overflow: hidden; }
.infra::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 400px at 12% 20%, rgba(56,189,248,.14), transparent 60%), radial-gradient(600px 400px at 100% 100%, rgba(10,116,224,.18), transparent 60%); }
.infra .wrap { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.infra h2 { color: #fff; }
.infra .eyebrow { color: var(--sky); }
.infra .intro { margin-top: 16px; font-size: 1.08rem; }
.infra ul { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 16px; }
.infra li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; }
.infra li svg { width: 22px; height: 22px; color: var(--sky); margin-top: 3px; }
.infra li strong { color: #fff; display: block; font-weight: 650; }
.infra li span { font-size: .95rem; color: #9fb0c9; }
.infra .art img { width: min(420px, 100%); height: auto; margin-inline: auto; border-radius: 18px; box-shadow: 0 30px 70px rgba(0,0,0,.55), 0 0 0 1px rgba(125,170,230,.18); }

/* featured */
.featured { background: var(--soft); }
.feature-card { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 20px 50px rgba(15,27,45,.07); }
.feature-copy { padding: 44px; }
.feature-copy p { margin: 16px 0 22px; font-size: 1.05rem; }
.feature-copy ul { padding: 0; margin: 0 0 28px; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; font-size: .95rem; }
.feature-copy li { display: flex; gap: 9px; align-items: flex-start; }
.feature-copy li svg { width: 18px; height: 18px; color: var(--blue); flex: none; margin-top: 3px; }
.feature-visual { background: linear-gradient(150deg, #0b4a96, #0a74e0 55%, #5ec4ff); display: grid; place-items: center; padding: 36px; color: #fff; text-align: center; }
.feature-visual .mock { width: 100%; max-width: 330px; background: #fff; border-radius: 12px; box-shadow: 0 24px 50px rgba(5,20,50,.4); overflow: hidden; text-align: left; color: var(--text); }
.mock .bar { background: #eef2f7; padding: 8px 12px; display: flex; gap: 6px; align-items: center; }
.mock .bar i { width: 9px; height: 9px; border-radius: 50%; background: #cbd5e1; display: block; }
.mock .bar b { margin-left: 8px; font-weight: 500; font-size: .7rem; color: #64748b; background: #fff; border-radius: 6px; padding: 2px 10px; flex: 1; }
.mock .body { padding: 18px; }
.mock .title { font-weight: 750; color: var(--ink); font-size: 1rem; margin-bottom: 12px; }
.mock .row { height: 9px; border-radius: 5px; background: #e5ecf5; margin-bottom: 9px; }
.mock .row.s { width: 70%; } .mock .row.xs { width: 45%; }
.mock .tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0 6px; }
.mock .tiles div { height: 48px; border-radius: 8px; background: #e8f3ff; }

/* approach */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { position: relative; padding-top: 18px; border-top: 2px solid var(--line); }
.step::before { counter-increment: s; content: "0" counter(s); display: block; font-weight: 800; font-size: .85rem; color: var(--blue); letter-spacing: .1em; margin-bottom: 10px; }
.step::after { content: ""; position: absolute; top: -2px; left: 0; width: 44px; height: 2px; background: var(--blue); }
.step p { margin-top: 8px; color: var(--muted); font-size: .96rem; }

/* contact */
.contact { background: linear-gradient(135deg, #0a1220, #0f2a52); color: #c3cfe2; text-align: center; }
.contact h2 { color: #fff; }
.contact p { max-width: 36rem; margin: 16px auto 32px; font-size: 1.1rem; }
.contact .btn-ghost { background: transparent; border-color: rgba(255,255,255,.35); color: #fff !important; }
.contact .btn-ghost:hover { border-color: #fff; }
.contact .actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* contact form */
.contact-form { max-width: 620px; margin: 0 auto; text-align: left; display: grid; gap: 16px; }
.contact-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: .88rem; font-weight: 600; color: #dbe6f5; }
.contact-form input, .contact-form textarea { font: inherit; font-weight: 400; color: var(--ink); background: #fff; border: 1px solid transparent; border-radius: 10px; padding: 12px 14px; width: 100%; }
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form input:focus, .contact-form textarea:focus { outline: 3px solid rgba(94,196,255,.55); }
.contact-form .actions { margin-top: 6px; }
.contact-form button.btn { cursor: pointer; font-family: inherit; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.legal .btn { margin-top: 8px; }
@media (max-width: 600px) { .contact-form .field-row { grid-template-columns: 1fr; } }

/* footer */
.site-footer { background: #070d18; color: #8497b3; padding: 44px 0; font-size: .92rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; }
.site-footer img { height: 40px; width: auto; }
.site-footer a { color: #b5c4dc; text-decoration: none; margin-left: 20px; }
.site-footer a:hover { color: #fff; }

/* legal page */
.legal { padding: 64px 0 84px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: 2.3rem; margin-bottom: 8px; }
.legal .updated { color: var(--muted); margin-bottom: 36px; }
.legal h2 { font-size: 1.3rem; margin: 36px 0 10px; }
.legal p, .legal li { margin-bottom: 12px; }
.legal ul { padding-left: 22px; }

@media (max-width: 920px) {
  .hero .wrap, .infra .wrap, .feature-card { grid-template-columns: 1fr; }
  .hero .wrap { padding: 52px 0 56px; gap: 40px; }
  .hero-art { order: -1; }
  .hero-art svg, .hero-art img { width: min(280px, 70%); }
  .infra .art { order: -1; }
  .infra .art img { width: min(320px, 80%); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  section { padding: 68px 0; }
  .nav a:not(.btn) { display: none; }
}
@media (max-width: 600px) {
  .grid-3, .steps, .feature-copy ul { grid-template-columns: 1fr; }
  .feature-copy { padding: 28px 22px; }
  .infra .wrap { gap: 36px; }
  .brand img { height: 34px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }