/* ============ SGGenTek — Base ============ */
:root{
  --navy: #0b3b57;
  --navy-dark: #082a3e;
  --teal: #0ea5a0;
  --teal-dark: #0b8a86;
  --ink: #1b2530;
  --muted: #5b6b78;
  --paper: #ffffff;
  --paper-alt: #f4f8f9;
  --border: #e2e8ec;
  --shadow: 0 10px 30px rgba(11,59,87,0.10);
  --radius: 14px;
  --maxw: 1160px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-head: 'Source Serif 4', Georgia, serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
.container{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--navy); color:#fff; padding:10px 16px; border-radius:8px; z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }

h1,h2,h3{ font-family: var(--font-head); color: var(--navy); line-height:1.15; margin:0 0 .5em; }
h1{ font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight:600; }
h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight:600; }
h3{ font-size: 1.25rem; font-weight:600; }
p{ margin:0 0 1em; color: var(--muted); }
.lead{ font-size:1.1rem; color: var(--ink); opacity:.85; }

.eyebrow{
  display:inline-block; text-transform: uppercase; letter-spacing:.14em;
  font-size:.75rem; font-weight:700; color: var(--teal-dark); margin-bottom:.75em;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 26px; border-radius: 999px; font-weight:600; font-size:.95rem;
  border:2px solid transparent; cursor:pointer; transition: all .18s ease;
}
.btn-primary{ background: var(--teal); color:#fff; }
.btn-primary:hover{ background: var(--teal-dark); transform: translateY(-1px); }
.btn-ghost{ border-color: var(--navy); color: var(--navy); background:transparent; }
.btn-ghost:hover{ background: var(--navy); color:#fff; }

/* ============ Header ============ */
.site-header{
  position: sticky; top:0; z-index:100;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; gap: 24px; height: 76px;
}
.brand{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.15rem; color:var(--navy); margin-right:auto; }
.brand-mark{ display:block; }
.site-nav{ display:flex; gap: 28px; }
.site-nav a{ font-weight:600; font-size:.95rem; color: var(--ink); position:relative; padding: 6px 0; }
.site-nav a:hover{ color: var(--teal-dark); }
.nav-cta{ padding: 10px 20px; }
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:none; border:none; cursor:pointer; padding:0;
}
.nav-toggle span{ display:block; height:2px; width:100%; background: var(--navy); border-radius:2px; }

/* ============ Hero ============ */
.hero{ position: relative; color:#fff; overflow:hidden; }
.hero-media{ position:absolute; inset:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(120deg, rgba(8,42,62,.94) 0%, rgba(8,42,62,.82) 45%, rgba(14,165,160,.55) 100%);
}
.hero-inner{ position:relative; padding: 130px 24px 110px; max-width: 760px; }
.hero .eyebrow{ color:#8fe3df; }
.hero h1{ color:#fff; }
.hero-lead{ color: rgba(255,255,255,.88); font-size:1.15rem; max-width: 620px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top: 12px; }
.hero .btn-ghost{ border-color:#fff; color:#fff; }
.hero .btn-ghost:hover{ background:#fff; color: var(--navy); }

/* ============ About ============ */
.about{ padding: 96px 0; background: var(--paper); }
.about-grid{ display:grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items:center; }
.about-media img{ border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 4/5; object-fit:cover; }
.about-points{ list-style:none; margin: 1.5em 0 0; padding:0; display:grid; gap: 16px; }
.about-points li{ padding-left: 28px; position:relative; color: var(--muted); }
.about-points li::before{
  content:""; position:absolute; left:0; top:8px; width:10px; height:10px; border-radius:3px;
  background: var(--teal);
}
.about-points strong{ color: var(--ink); }

/* ============ Services ============ */
.services{ padding: 96px 0; background: var(--paper-alt); }
.section-head{ max-width: 640px; margin: 0 auto 56px; text-align:center; }
.section-head h2{ margin: 0; }
.services-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.service-card{
  background:#fff; border:1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: transform .18s ease, box-shadow .18s ease;
}
.service-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); }
.service-icon{ color: var(--teal); width:48px; height:48px; margin-bottom: 18px; }
.service-icon svg{ width:100%; height:100%; }
.service-card p{ margin:0; }

/* ============ Strip ============ */
.strip{ padding: 96px 0; background: var(--paper); }
.strip-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.strip-media img{ border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 16/11; object-fit:cover; }
.strip-copy p:last-child{ margin-bottom:0; }

/* ============ Contact ============ */
.contact{ padding: 96px 0 110px; background: var(--navy); color:#fff; }
.contact .eyebrow{ color:#8fe3df; }
.contact h2{ color:#fff; }
.contact .lead{ color: rgba(255,255,255,.82); }
.contact-grid{ display:grid; grid-template-columns: 1fr 1.05fr; gap: 64px; }
.contact-details{ margin: 2em 0 0; display:grid; gap: 20px; }
.contact-details dt{ font-size:.78rem; text-transform:uppercase; letter-spacing:.1em; color:#8fe3df; margin-bottom:4px; }
.contact-details dd{ margin:0; color:#fff; font-weight:500; }
.contact-details a{ color:#fff; text-decoration: underline; text-underline-offset:3px; }

.contact-form{ background:#fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.contact-form--embed{ padding: 8px; overflow: hidden; }
.contact-form--embed iframe{ border-radius: calc(var(--radius) - 4px); }
.form-row{ margin-bottom: 18px; display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-weight:600; font-size:.88rem; color: var(--navy); }
.form-row input, .form-row textarea{
  font-family: inherit; font-size: .96rem; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 8px; resize: vertical; color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus{ outline: none; border-color: var(--teal); }
.form-submit{ width:100%; margin-top: 4px; }
.form-status{ margin: 12px 0 0; font-size:.9rem; font-weight:600; color: var(--teal-dark); min-height: 1.2em; }
.form-note{ margin-top: 14px; font-size:.78rem; color: var(--muted); line-height:1.5; }

/* ============ Footer ============ */
.site-footer{ background: var(--navy-dark); color: rgba(255,255,255,.7); padding: 28px 0; }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.footer-brand{ display:flex; align-items:center; gap:10px; font-weight:700; color:#fff; }
.footer-copy{ margin:0; font-size:.85rem; color: rgba(255,255,255,.6); }

/* ============ Responsive ============ */
@media (max-width: 900px){
  .about-grid, .strip-inner, .contact-grid{ grid-template-columns: 1fr; }
  .about-media{ order: -1; }
  .services-grid{ grid-template-columns: 1fr; }
  .hero-inner{ padding: 110px 24px 80px; }
}

@media (max-width: 760px){
  .site-nav{
    position:absolute; top:76px; left:0; right:0;
    background:#fff; border-bottom:1px solid var(--border);
    flex-direction:column; gap:0; padding: 8px 24px 16px;
    transform-origin: top; transform: scaleY(0); opacity:0; pointer-events:none;
    transition: transform .18s ease, opacity .18s ease;
  }
  .site-nav.open{ transform: scaleY(1); opacity:1; pointer-events:auto; }
  .site-nav a{ padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .header-inner{ height: 68px; }
  .hero-inner{ padding: 90px 20px 64px; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .about, .services, .strip, .contact{ padding: 64px 0; }
}