/* =========================================================
   Technolink Global — Static Site CSS (AI Lab / Enterprise)
   Matches classes used in the deployed HTML.
   ========================================================= */

:root{
  --bg:#070A12;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.09);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --line: rgba(255,255,255,0.12);
  --max: 1120px;
  --radius: 18px;
  --shadow: 0 14px 50px rgba(0,0,0,0.35);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }
.container{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }
.sr-only{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.muted{ color: var(--muted); }
.stack{ display:grid; gap: 16px; }

/* Type */
.h1{ font-size: 44px; line-height:1.05; margin: 14px 0 10px; letter-spacing:-0.6px; }
.h2{ font-size: 26px; margin: 0 0 10px; letter-spacing:-0.2px; }
.h3{ font-size: 18px; margin: 0 0 8px; }
.lead{ font-size: 18px; color: var(--muted); max-width: 70ch; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 14px; border-radius: 14px;
  border:1px solid rgba(255,255,255,0.16);
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
  box-shadow: var(--shadow);
  color: var(--text);
  cursor:pointer;
}
.btn:hover{ transform: translateY(-1px); }
.btn-ghost{ background: transparent; box-shadow:none; }

/* Cards + grids */
.card{
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card-link{ display:block; }
.card-link:hover{ border-color: rgba(255,255,255,0.22); background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04)); }

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 860px){ .grid-2{ grid-template-columns: 1fr; } }
.grid-3{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 1020px){ .grid-3{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 860px){ .grid-3{ grid-template-columns: 1fr; } }

.list{ margin: 10px 0 0; padding-left: 18px; color: var(--muted); line-height:1.6; }

/* Sections */
.section{ padding: 34px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom: 14px; }
@media (max-width: 860px){ .section-head{ flex-direction:column; align-items:flex-start; } }

.pill{
  display:inline-block; padding:6px 10px; border-radius:999px;
  border:1px solid var(--line); background:var(--panel);
  color:var(--muted); font-size:13px;
}
.service-kicker{
  display:inline-block; margin-bottom:10px;
  padding:6px 10px; border-radius:999px;
  border:1px solid var(--line); background:rgba(255,255,255,0.04);
  color:var(--muted); font-size:13px;
}

/* Header */
.site-header{
  position: sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(7,10,18,0.9), rgba(7,10,18,0.5));
  border-bottom: 1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:16px; }
.brand{ display:inline-flex; align-items:center; gap:12px; }
.brand img{ max-height: 96px; width:auto; height:auto; filter: drop-shadow(0 6px 18px rgba(0,0,0,0.35)); }
.nav-toggle{
  border:1px solid var(--line); background:var(--panel); color:var(--text);
  border-radius:12px; padding:10px 12px; cursor:pointer;
}
.nav-toggle-bars{ display:block; width:18px; height:12px; position:relative; }
.nav-toggle-bars:before, .nav-toggle-bars:after{
  content:""; position:absolute; left:0; right:0; height:2px; background:var(--text); border-radius:2px;
}
.nav-toggle-bars:before{ top:1px; }
.nav-toggle-bars:after{ bottom:1px; }

.site-nav{ border-top:1px solid var(--line); display:none; }
.site-nav[data-open]{ display:block; }
.menu{ list-style:none; margin:0; padding:10px 0; display:flex; flex-wrap:wrap; gap:14px; }
.menu a{ color:var(--muted); padding:8px 10px; border-radius:10px; }
.menu a:hover{ background:var(--panel); color:var(--text); }
.menu a[aria-current="page"]{ background: rgba(127,255,233,0.10); color: var(--text); border: 1px solid rgba(127,255,233,0.22); }

@media (min-width: 860px){
  .nav-toggle{ display:none; }
  .site-nav{ display:block; border-top:none; }
  .menu{ justify-content:flex-end; padding:0 0 14px 0; }
}

/* Hero */
.hero{ position:relative; padding: 64px 0 34px; overflow:hidden; }
.hero-logo {
  margin-bottom: 18px;
  display: flex;
  justify-content: center;
}

.hero-logo img {
  max-width: 320px;
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.45);
}
.hero:before{
  content:""; position:absolute; inset:-200px -200px auto -200px; height:520px;
  background: radial-gradient(circle at 30% 40%, rgba(127,255,233,0.16), transparent 55%),
              radial-gradient(circle at 70% 20%, rgba(140,140,255,0.18), transparent 55%);
  filter: blur(18px);
}
.hero-inner{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 26px; align-items:center; }
@media (max-width: 860px){ .hero-inner{ grid-template-columns: 1fr; } }
.hero-cta{ display:flex; gap:12px; margin-top: 18px; flex-wrap:wrap; }

.hero-art{
  position:relative; height: 320px;
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orb{ position:absolute; width: 240px; height: 240px; border-radius: 999px; filter: blur(10px); opacity:0.85; }
.orb-1{ left:-60px; top:40px; background: radial-gradient(circle at 30% 30%, rgba(127,255,233,0.38), transparent 60%); }
.orb-2{ right:-50px; top:-30px; background: radial-gradient(circle at 60% 40%, rgba(140,140,255,0.38), transparent 60%); }
.grid-noise{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at 40% 30%, black 25%, transparent 70%);
  opacity:0.8;
}

/* Page */
.page-hero{ padding: 40px 0 12px; }
.page-content{ padding: 18px 0 40px; }
.content-prose{ color: var(--muted); line-height:1.65; }
.content-prose h2, .content-prose h3{ color: var(--text); }
.content-prose hr{ border:none; border-top:1px solid var(--line); margin: 22px 0; }

/* Forms */
.form{ display:grid; gap: 10px; }
.form input, .form textarea{
  width:100%; padding: 10px 12px; border-radius: 12px;
  border:1px solid var(--line); background: rgba(255,255,255,0.04);
  color: var(--text);
}
.form label{ color: var(--muted); font-size: 14px; display:grid; gap:6px; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.notice{ padding: 10px 12px; border-radius: 12px; border:1px solid var(--line); margin-top: 10px; }
.notice.success{ background: rgba(127,255,233,0.10); }
.notice.error{ background: rgba(255,120,120,0.10); }

/* FAQ */
.faq summary{ cursor:pointer; }
.faq-q{ color: var(--text); font-weight: 650; }
.faq-a{ margin-top: 10px; color: var(--muted); line-height: 1.6; }

/* CTA */
.cta-inner{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  border:1px solid var(--line);
  background: radial-gradient(circle at 20% 30%, rgba(127,255,233,0.10), transparent 55%),
              radial-gradient(circle at 70% 10%, rgba(140,140,255,0.12), transparent 60%),
              linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  padding: 18px;
  border-radius: var(--radius);
}
@media (max-width: 860px){ .cta-inner{ flex-direction:column; align-items:flex-start; } }

/* Footer */
.site-footer{ border-top:1px solid var(--line); padding: 26px 0; color: var(--muted); }
.footer-inner{ display:grid; gap: 12px; }
.footer-title{ color: var(--text); font-weight: 650; }
.footer-menu{ padding:0; }
.footer-menu a{ color: var(--muted); }