/* VentoSail — Global Shipping Static Site */
:root {
  --bg: #0b1220;
  --bg-2: #0e1628;
  --text: #e6edf3;
  --muted: #9db0c5;
  --brand: #2ec5ff;
  --brand-2: #7df3a7;
  --accent: #ffd166;
  --card: #111a2e80;
  --glass: rgba(17, 26, 46, 0.6);
  --border: #2a3856;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, "Noto Sans", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* Topbar */
.topbar {
  background: #061024;
  color: var(--muted);
  font-size: 14px;
  border-bottom: 1px solid #0f1b38;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  padding: 8px 0;
}
.contact-item { display: flex; gap: 8px; align-items: center; }
.contact-label {
  color: #86a0bd;
}
.topbar a { color: var(--text); text-decoration: none; }
.topbar a:hover { color: var(--brand); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.2) blur(8px);
  background: rgba(6, 16, 36, 0.6);
  border-bottom: 1px solid #0f1b38;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.2px; }
.logo-mark { filter: drop-shadow(0 6px 14px rgba(46,197,255,.25)); }
.brand-text { background: linear-gradient(90deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 20px; }
.nav { display: flex; gap: 18px; }
.nav a { color: var(--text); text-decoration: none; opacity: .9; }
.nav a:hover { color: var(--brand); }

/* Hero Carousel */
.hero { position: relative; }
.carousel { position: relative; overflow: hidden; }
.slides { position: relative; display: grid; grid-auto-flow: column; grid-auto-columns: 100%; transition: transform .6s cubic-bezier(.22,.61,.36,1); }
.slide {
  position: relative; min-height: clamp(420px, 60vh, 720px);
  display: grid; place-items: center; text-align: center;
}
.slide:before { content: ""; position: absolute; inset: 0; background: radial-gradient(1200px 600px at 70% 30%, rgba(46,197,255,.25), transparent 60%), radial-gradient(800px 400px at 20% 80%, rgba(125,243,167,.18), transparent 50%); }
.slide:after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.25) 0%, rgba(0,0,0,.45) 100%); }
.slide-content { position: relative; z-index: 1; padding: 0 16px; max-width: 900px; }
.slide-content h1 { font-size: clamp(28px, 5vw, 48px); margin: 0 0 12px; letter-spacing: .3px; }
.slide-content p { color: var(--muted); font-size: clamp(14px, 2.2vw, 18px); margin: 0; }

/* Visual backgrounds (replace with real images when available) */
.slide-1 { background: url('../img/hero-1.svg'), linear-gradient(120deg, #0a1938, #0b2440); background-size: cover; background-position: center; }
.slide-2 { background: url('../img/hero-2.svg'), linear-gradient(120deg, #091a30, #0b2038); background-size: cover; background-position: center; }
.slide-3 { background: url('../img/hero-3.svg'), linear-gradient(120deg, #081628, #0a1d33); background-size: cover; background-position: center; }
.slide-4 { background: url('../img/hero-4.svg'), linear-gradient(120deg, #081524, #0a1a2b); background-size: cover; background-position: center; }
.slide-5 { background: url('../img/hero-5.svg'), linear-gradient(120deg, #081424, #0a1929); background-size: cover; background-position: center; }

.control {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.15);
  color: var(--text); width: 44px; height: 44px; border-radius: 999px;
  display: grid; place-items: center; cursor: pointer; z-index: 2;
  backdrop-filter: blur(4px);
}
.control:hover { background: rgba(0,0,0,.5); }
.prev { left: 16px; }
.next { right: 16px; }

.dots { position: absolute; left: 0; right: 0; bottom: 16px; display: flex; gap: 10px; justify-content: center; z-index: 2; }
.dots button {
  width: 9px; height: 9px; border-radius: 999px; border: 0; cursor: pointer;
  background: rgba(255,255,255,.35); box-shadow: inset 0 0 0 1px rgba(255,255,255,.4);
}
.dots button[aria-current="true"] { background: var(--brand); box-shadow: 0 0 0 2px rgba(46,197,255,.35); }

/* About */
.about { position: relative; padding: 80px 0; }
.angled-bg { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(53,107,167,.08), rgba(34,64,120,.06)); transform: skewY(-4deg); transform-origin: top left; }
.about-inner { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 20px; }
.photo { border-radius: 12px; min-height: 160px; background: linear-gradient(135deg, rgba(46,197,255,.18), rgba(125,243,167,.14)); border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); }
.photo.p1 { min-height: 320px; background: url('../img/about-1.svg'), linear-gradient(135deg, #14233b, #0f1e35); background-size: cover; background-position: center; grid-column: span 2; }
.photo.p2 { background: url('../img/about-2.svg'), linear-gradient(135deg, #14233b, #0f1e35); background-size: cover; background-position: center; }
.photo.p3 { background: url('../img/about-3.svg'), linear-gradient(135deg, #14233b, #0f1e35); background-size: cover; background-position: center; }
.glass { background: var(--glass); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; box-shadow: var(--shadow); padding: 28px; }
.about-content h2 { margin-top: 0; font-size: clamp(22px, 3.5vw, 32px); }
.about-content p { color: var(--muted); line-height: 1.75; }
.ticks { list-style: none; padding: 0; margin: 16px 0 0; }
.ticks li { padding-left: 22px; position: relative; margin: 10px 0; }
.ticks li:before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand-2); }

.btn { display: inline-block; padding: 10px 16px; border-radius: 12px; text-decoration: none; transition: .2s ease; border: 1px solid transparent; }
.btn.primary { background: linear-gradient(90deg, var(--brand), var(--brand-2)); color: #061020; font-weight: 700; }
.btn.outline { color: var(--text); border-color: #254877; background: rgba(12, 24, 46, .6); }
.btn.dark { color: #fff; background: #0b1c34; border-color: #11264a; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(0,0,0,.25); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

/* Services */
.services { padding: 80px 0; }
.services h2 { text-align: center; margin: 0 0 8px; font-size: clamp(22px, 3.5vw, 32px); }
.section-lead { text-align: center; color: var(--muted); margin: 0 auto 28px; max-width: 760px; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card { background: var(--card); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(0,0,0,.35); }
.service-card .icon { width: 40px; height: 40px; display: grid; place-items: center; color: var(--brand); background: rgba(46,197,255,.12); border: 1px solid rgba(46,197,255,.25); border-radius: 10px; margin-bottom: 10px; }
.service-card h3 { margin: 8px 0; font-size: 18px; }
.service-card p { margin: 0; color: var(--muted); line-height: 1.7; }

/* CTA */
.cta { padding: 80px 0; background: radial-gradient(800px 400px at 10% 30%, rgba(46,197,255,.18), transparent 60%), radial-gradient(600px 300px at 80% 40%, rgba(125,243,167,.18), transparent 60%); }
.cta-inner { text-align: center; }
.cta-inner h2 { margin: 0 0 10px; font-size: clamp(22px, 3.5vw, 32px); }
.cta-inner p { margin: 0 auto; color: var(--muted); max-width: 680px; }

/* Footer */
.site-footer { border-top: 1px solid #0f1b38; background: #071124; padding-top: 36px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 20px; padding-bottom: 18px; }
.footer-brand .brand-text { font-size: 18px; }
.muted { color: var(--muted); }
.links { list-style: none; margin: 10px 0 0; padding: 0; }
.links li { margin: 8px 0; }
.links a { color: var(--text); opacity: .9; text-decoration: none; }
.links a:hover { color: var(--brand); }
.footnote { border-top: 1px solid #0f1b38; color: var(--muted); display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0 24px; font-size: 14px; }
.legal { display: inline-flex; gap: 10px; }
.legal a { color: var(--muted); text-decoration: none; }
.legal a:hover { color: var(--brand); }

/* Responsive */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
}