:root {
  --bg: #ffffff;
  --tint: #f8fafc;
  --card: #f1f5f9;
  --line: #dbe3ee;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --navy: #0b1220;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.55; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 .8em; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* topbar */
.topbar { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 1.2rem; }
.brand img { height: 32px; width: auto; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav a:hover { color: var(--text); }
.nav .nav-cta { color: #fff; background: var(--accent); padding: 8px 14px; border-radius: 8px; }
.nav .nav-cta:hover { background: var(--accent-dark); color: #fff; }

/* hero */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-panel { display: flex; align-items: center; justify-content: center; aspect-ratio: 3 / 2; padding: 48px; border-radius: var(--radius); border: 1px solid var(--line); background: radial-gradient(120% 90% at 85% 10%, #dbeafe 0%, #eff6ff 35%, #ffffff 75%); box-shadow: 0 20px 50px rgba(15,23,42,.08); }
.hero-panel img { width: 100%; max-width: 480px; height: auto; }
.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; margin-bottom: .6em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 36em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { font-size: 1.15rem; padding: 16px 26px; }

/* sections */
.section { padding: 72px 0; }
.section-tint { background: var(--tint); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-lead { color: var(--muted); font-size: 1.08rem; max-width: 44em; }
.subhead { font-size: 1.35rem; margin: 48px 0 18px; }
.note { color: var(--muted); margin-top: 18px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.card { background: var(--card); border-radius: var(--radius); padding: 24px; }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); }
.card-white { background: #fff; border: 1px solid var(--line); }
.card ul { margin: 0; padding-left: 1.1em; color: var(--muted); }
.card li + li { margin-top: .45em; }
.tag { color: var(--accent) !important; font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .6em; }
.stat { font-size: 2.6rem; font-weight: 800; color: var(--accent) !important; line-height: 1; margin-bottom: .4em; }
.team { margin-top: 18px; }
.clients h3 { font-size: 1.5rem; margin-bottom: .2em; }
.client { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.client img { flex: none; width: auto; height: auto; max-width: 110px; max-height: 44px; margin-top: 22px; opacity: .9; }


.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.steps span { display: block; color: var(--accent); font-weight: 800; font-size: 1.6rem; margin-bottom: .3em; }
.steps h3 { font-size: 1.02rem; }
.steps p { color: var(--muted); font-size: .95rem; margin: 0; }

.band { margin-top: 24px; background: #eff6ff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; }
.band p { margin: 0; }
.band strong { color: var(--accent); font-size: 1.2rem; }

/* portfolio */
.portfolio { display: grid; grid-template-columns: 1.5fr 1fr; gap: 18px; margin-top: 28px; }
.product-side { display: grid; gap: 18px; align-content: start; }
.product img { border: 1px solid var(--line); border-radius: 8px; margin: 14px 0 0; }
.caption { color: var(--text) !important; font-weight: 600; margin-top: 12px !important; }

/* contact */
.contact { background: var(--navy); color: #fff; }
.contact .section-lead { color: #cbd5e1; }
.contact .eyebrow { color: #60a5fa; }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }

.footer { background: var(--navy); color: #94a3b8; border-top: 1px solid #1e293b; font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; padding: 20px; flex-wrap: wrap; gap: 8px; }

/* responsive */
@media (max-width: 960px) {
  .hero-grid, .portfolio { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav a:not(.nav-cta) { display: none; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .hero { padding: 40px 0; }
  .section { padding: 52px 0; }
  .wrap { padding: 0 16px; }
}