/* ZEEKSTER CO., LTD. — Static site stylesheet */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=Sora:wght@400;600;700&display=swap");

:root {
  --navy-900: #050b1a;
  --navy-800: #08122a;
  --navy-700: #0d1c3c;
  --navy-600: #12294f;
  --line: rgba(120, 190, 220, 0.16);
  --teal: #24d3d3;
  --teal-soft: #7cf0e6;
  --cyan: #3ea8ff;
  --text: #e9f2f8;
  --muted: #9fb3c8;
  --radius: 16px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(36, 211, 211, 0.14), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(62, 168, 255, 0.12), transparent 60%),
    var(--navy-900);
  color: var(--text);
  font-family: "IBM Plex Sans Thai", "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: var(--teal-soft); text-decoration: none; }
a:hover { color: #fff; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(5, 11, 26, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 18px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: "Sora", sans-serif; font-weight: 700; letter-spacing: .5px; color: #fff; }
.brand .mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--teal), var(--cyan));
  display: grid; place-items: center; color: #04121c; font-weight: 700; font-size: 16px;
}
.brand small { display: block; font-family: "IBM Plex Sans Thai", sans-serif; font-weight: 400; font-size: 11px; color: var(--muted); letter-spacing: 0; }
.nav-links { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.nav-links a {
  color: var(--muted); font-size: 15px; padding: 8px 12px; border-radius: 10px;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; background: rgba(36, 211, 211, 0.12); }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600;
  background: linear-gradient(135deg, var(--teal), var(--cyan)); color: #04121c !important;
  box-shadow: 0 10px 30px rgba(36, 211, 211, 0.25); border: 0; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost {
  display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600;
  border: 1px solid var(--line); color: var(--text) !important; background: rgba(255,255,255,0.03);
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; padding: 78px 0; }
.eyebrow { display: inline-block; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--teal); border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; }
h1 { font-family: "Sora", "IBM Plex Sans Thai", sans-serif; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.25; margin: 18px 0 14px; color: #fff; }
h2 { font-family: "Sora", "IBM Plex Sans Thai", sans-serif; font-size: clamp(24px, 3vw, 34px); line-height: 1.35; color: #fff; margin: 0 0 14px; }
h3 { font-size: 21px; color: #fff; margin: 0 0 10px; }
h4 { font-size: 18px; color: var(--teal-soft); margin: 26px 0 8px; }
p { color: #cfe0ec; margin: 0 0 16px; }
.lead { font-size: 19px; color: #dbe9f4; }
.hero-media img { border-radius: 22px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.55); }

/* ---------- Sections ---------- */
section { padding: 66px 0; border-bottom: 1px solid rgba(120,190,220,.08); }
.section-head { max-width: 760px; margin-bottom: 34px; }
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: linear-gradient(180deg, rgba(18,41,79,.75), rgba(8,18,42,.75));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.card img { border-radius: 12px; margin-bottom: 16px; }
.card p:last-child { margin-bottom: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split.rev .split-media { order: 2; }
.split-media img { border-radius: 18px; border: 1px solid var(--line); }
.stat { text-align: center; }
.stat b { display: block; font-family: "Sora", sans-serif; font-size: 34px; color: var(--teal); }
.stat span { color: var(--muted); font-size: 14px; }
ul.check { list-style: none; padding: 0; margin: 0 0 16px; }
ul.check li { position: relative; padding-left: 28px; margin-bottom: 10px; color: #cfe0ec; }
ul.check li::before { content: "▸"; position: absolute; left: 6px; color: var(--teal); }
table { width: 100%; border-collapse: collapse; margin: 10px 0 20px; font-size: 15px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); color: #cfe0ec; }
th { color: #fff; background: rgba(36,211,211,.08); }
.faq { border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin-bottom: 12px; background: rgba(13,28,60,.55); }
.faq summary { cursor: pointer; color: #fff; font-weight: 600; }
.faq p { margin: 12px 0 0; }
.tag { display: inline-block; font-size: 12px; color: var(--teal); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; margin: 0 6px 6px 0; }
.cta {
  background: linear-gradient(135deg, rgba(36,211,211,.16), rgba(62,168,255,.12));
  border: 1px solid var(--line); border-radius: 24px; padding: 44px; text-align: center;
}
figure { margin: 26px 0; }
figcaption { font-size: 14px; color: var(--muted); margin-top: 10px; text-align: center; }
.article-body h2 { margin-top: 34px; }
.note { font-size: 15px; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-800); border-top: 1px solid var(--line); padding: 52px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; }
.site-footer h5 { color: #fff; font-size: 15px; margin: 0 0 12px; }
.site-footer a, .site-footer p { color: var(--muted); font-size: 15px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.copyright { border-top: 1px solid var(--line); margin-top: 34px; padding-top: 18px; color: var(--muted); font-size: 14px; text-align: center; }

/* ---------- Forms ---------- */
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
input, textarea, select {
  width: 100%; padding: 12px 14px; margin-bottom: 16px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(5,11,26,.7); color: var(--text);
  font-family: inherit; font-size: 16px;
}
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(36,211,211,.5); }

@media (max-width: 900px) {
  .hero-inner, .split, .g2, .g3, .g4, .footer-grid { grid-template-columns: 1fr; }
  .split.rev .split-media { order: 0; }
  .hero-inner { padding: 48px 0; }
  .cta { padding: 28px; }
  .nav { flex-wrap: wrap; padding: 12px 0; }
  .nav-links { margin-left: 0; }
}