/* UniCOM product website — 3DS-DataCOM */
:root {
  --navy: #1E2761;
  --navy2: #27337A;
  --blue: #4A6CF7;
  --blue-dark: #3554d1;
  --ice: #CADCFC;
  --light: #F4F7FE;
  --ink: #1F2544;
  --muted: #5B6478;
  --line: #E3EAF9;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: #fff; line-height: 1.6; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { line-height: 1.2; color: var(--navy); }
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; display: block; }

/* Buttons */
.btn { display: inline-block; padding: 10px 22px; border-radius: 999px; font-weight: 600; font-size: 15px; border: 2px solid transparent; cursor: pointer; transition: all .18s ease; }
.btn-lg { padding: 13px 30px; font-size: 16px; }
.btn-solid { background: var(--blue); color: #fff; }
.btn-solid:hover { background: var(--blue-dark); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--navy); }
.brand-logo { width: 34px; height: auto; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--ink); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--blue); }
.nav-cta { display: flex; gap: 10px; }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; }

/* Hero */
.hero { background: var(--navy); color: #fff; position: relative; overflow: hidden; }
.hero::before, .hero::after { content: ""; position: absolute; width: 420px; height: 420px; background: radial-gradient(circle, rgba(74,108,247,.28), transparent 65%); border-radius: 50%; }
.hero::before { top: -160px; right: -100px; }
.hero::after { bottom: -220px; left: -160px; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-top: 80px; padding-bottom: 80px; position: relative; z-index: 1; }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: 3px; color: var(--blue); margin-bottom: 14px; }
.hero .kicker, .kicker-light { color: var(--ice); }
.hero h1 { color: #fff; font-size: 44px; margin-bottom: 18px; }
.hero p { color: #E8EEFC; font-size: 17px; max-width: 480px; }
.hero-btns { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-trust { margin-top: 30px; font-size: 14px; color: var(--ice); border-top: 1px solid rgba(202,220,252,.25); padding-top: 18px; }
.hero-shot img { border-radius: 12px; box-shadow: 0 24px 60px rgba(0,0,0,.4); border: 1px solid rgba(202,220,252,.25); }

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: var(--light); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.sec-head-left { text-align: left; margin: 0 0 28px; }
.sec-head h2 { font-size: 32px; }
.sec-sub { color: var(--muted); margin-top: 12px; }
.section-dark { background: var(--navy); }
.section-dark h2 { color: #fff; }
.section-dark .sec-sub { color: var(--ice); }

/* Grids & cards */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card, .mod { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 26px 22px; }
.section-alt .mod { border: 0; box-shadow: 0 4px 18px rgba(30,39,97,.07); }
.ic { width: 46px; height: 46px; border-radius: 50%; background: var(--blue); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.ic svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3, .mod h3 { font-size: 17px; margin-bottom: 8px; }
.card p, .mod p { font-size: 14px; color: var(--muted); }

/* Lifecycle strip */
.lifecycle { margin-top: 54px; text-align: center; }
.lc-title { font-weight: 700; color: var(--navy); font-size: 20px; margin-bottom: 22px; }
.lc-steps { display: flex; justify-content: center; align-items: center; gap: 10px; flex-wrap: wrap; }
.lc { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 22px; font-weight: 700; color: var(--navy); }
.lc span { display: block; font-size: 11px; color: var(--blue); letter-spacing: 1px; font-weight: 700; }
.lc-last { background: var(--navy); color: #fff; border-color: var(--navy); }
.lc-last span { color: var(--ice); }
.lc-arrow { color: var(--blue); font-weight: 700; }

/* Why rows */
.why-grid { gap: 30px 40px; }
.wrow { display: flex; gap: 18px; }
.wrow .ic { flex: 0 0 46px; background: var(--navy); }
.wrow h3 { font-size: 17px; margin-bottom: 6px; }
.wrow p { font-size: 14px; color: var(--muted); }

/* Security */
.security { margin-top: 64px; background: var(--light); border-radius: 18px; padding: 40px; }
.checks { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; }
.checks li { font-size: 15px; color: var(--ink); padding-left: 30px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--blue); font-weight: 800; }

/* Experience */
.case { background: var(--navy2); border: 1px solid rgba(202,220,252,.2); border-radius: 16px; padding: 30px; }
.case .abbr { font-size: 32px; font-weight: 800; color: #fff; }
.case .full { font-weight: 700; color: var(--ice); margin-top: 4px; }
.case p { color: var(--ice); font-size: 14px; margin-top: 10px; }
.impl { margin-top: 54px; text-align: center; }
.impl-title { color: #fff; font-weight: 700; font-size: 20px; margin-bottom: 22px; }
.impl-steps { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.istep { background: var(--navy2); border: 1px solid rgba(202,220,252,.2); color: var(--ice); border-radius: 10px; padding: 10px 18px; font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.istep span { width: 24px; height: 24px; border-radius: 50%; background: var(--blue); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }

/* Contact */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy h2 { font-size: 30px; margin-bottom: 14px; }
.contact-copy p { color: var(--muted); }
.contact-lines { margin-top: 24px; display: grid; gap: 8px; font-size: 15px; }
.demo-form { background: var(--light); border-radius: 18px; padding: 32px; display: grid; gap: 14px; }
.demo-form label { font-size: 13px; font-weight: 700; color: var(--navy); display: grid; gap: 6px; }
.demo-form input, .demo-form textarea { font: inherit; font-size: 15px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--ink); width: 100%; }
.demo-form input:focus, .demo-form textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.demo-form button { margin-top: 6px; }
.form-note { font-size: 12px; color: var(--muted); }

/* Footer */
.footer { background: var(--navy); color: var(--ice); padding: 36px 0; }
.footer-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer .brand { color: #fff; font-size: 18px; }
.footer .brand-logo { width: 30px; background: #fff; border-radius: 6px; padding: 3px; }
.footer-note { margin-left: auto; font-size: 14px; }
.footer-copy { width: 100%; font-size: 12px; color: #8FA6FF; border-top: 1px solid rgba(202,220,252,.2); padding-top: 16px; margin-top: 6px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .contact-inner { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .checks { grid-template-columns: 1fr; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 18px 24px; gap: 14px; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; margin-left: auto; }
  .nav-cta { margin-left: 0; }
  .nav-cta .btn-outline { display: none; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .sec-head h2 { font-size: 26px; }
  .security { padding: 26px; }
}
