/* ════════════════════════════════════════════════════════════
   Future Home — placeholder site (Coming Soon + privacy + contact)
   โทนสีหลักตาม backoffice platform: --primary hsl(196 78% 34%) (teal-blue)
   ════════════════════════════════════════════════════════════ */

:root {
  --bg:        #F6F9FA;
  --bg-card:   #FFFFFF;
  --bg-elev:   #E8F1F5;
  --bg-deep:   #122A33;
  --fg:        #1C2B33;
  --fg-muted:  #52646D;
  --fg-soft:   #7E909A;
  --line:      rgba(28, 43, 51, 0.12);
  --line-strong: rgba(28, 43, 51, 0.22);
  --accent:    hsl(196, 78%, 34%);
  --accent-deep: hsl(196, 82%, 25%);
  --accent-fg: #FFFFFF;
  --container: 1080px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(18,42,51,0.04);
  --shadow:    0 14px 40px -16px rgba(18,42,51,0.18);
  --font-sans: 'IBM Plex Sans Thai', -apple-system, 'Segoe UI', 'Noto Sans Thai', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ───────── Shared chrome ───────── */
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, #fff);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.wordmark {
  text-decoration: none; display: flex; align-items: baseline; gap: 10px;
}
.wordmark .name { font-weight: 700; font-size: 17px; letter-spacing: 0.02em; }
.wordmark .name em { font-style: normal; color: var(--accent-deep); }
.wordmark .tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em;
  color: var(--fg-soft); text-transform: uppercase;
}
.header-links { display: flex; gap: 22px; font-size: 14px; }
.header-links a { color: var(--fg-muted); text-decoration: none; }
.header-links a:hover { color: var(--fg); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  margin-top: 72px;
}
.site-footer .container {
  display: flex; flex-wrap: wrap; gap: 12px 28px;
  align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--fg-soft);
}
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { color: var(--fg-muted); text-decoration: none; }
.site-footer a:hover { color: var(--fg); text-decoration: underline; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent-deep);
}
.eyebrow .bar { width: 26px; height: 2px; background: var(--accent); display: inline-block; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius);
  font-size: 15px; font-weight: 500; text-decoration: none;
  border: 1px solid transparent; transition: all .16s ease;
}
.btn-accent { background: var(--accent); color: var(--accent-fg); }
.btn-accent:hover { background: var(--accent-deep); }
.btn-outline { border-color: var(--line-strong); color: var(--fg); background: transparent; }
.btn-outline:hover { border-color: var(--fg); }

/* ───────── Coming Soon (index) ───────── */
.hero {
  min-height: calc(100vh - 64px);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero::before {
  /* faint blueprint grid — สถาปัตย์นิดๆ */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 90% 70% at 70% 30%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 30%, #000 0%, transparent 70%);
}
.hero .container {
  position: relative; padding-top: 64px; padding-bottom: 80px;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 56px; align-items: center; width: 100%;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 700; letter-spacing: -0.02em;
  margin-top: 18px;
}
.hero h1 .accent { color: var(--accent-deep); }
.hero .lede {
  margin-top: 20px; font-size: clamp(15.5px, 1.6vw, 17.5px);
  color: var(--fg-muted); max-width: 46ch;
}
.hero .cta-row { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero .foot-note {
  margin-top: 40px; font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: 0.1em; color: var(--fg-soft);
  text-transform: uppercase;
}

.contact-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  padding: 28px;
}
.contact-card h2 {
  font-size: 15px; font-weight: 600; color: var(--fg-muted);
  display: flex; align-items: center; gap: 10px;
}
.contact-card h2::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.channel { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.channel:last-of-type { border-bottom: 0; padding-bottom: 4px; }
.channel .icon {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--bg-elev); color: var(--accent-deep);
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  display: flex; align-items: center; justify-content: center; letter-spacing: 0.04em;
}
.channel .label { font-size: 12.5px; color: var(--fg-soft); }
.channel .value { font-size: 16.5px; font-weight: 600; margin-top: 1px; }
.channel .value a { text-decoration: none; }
.channel .value a:hover { color: var(--accent-deep); }
.channel .meta { font-size: 12.5px; color: var(--fg-muted); margin-top: 2px; }

/* ───────── Inner pages (privacy / contact) ───────── */
.page-hero { padding: 56px 0 36px; border-bottom: 1px solid var(--line); background: var(--bg-elev); }
.page-hero h1 { font-size: clamp(28px, 3.4vw, 40px); margin-top: 14px; }
.page-hero .lede { margin-top: 14px; color: var(--fg-muted); max-width: 62ch; font-size: 16px; }

.prose { padding: 44px 0 8px; max-width: 760px; }
.prose .updated {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--fg-soft); margin-bottom: 28px;
}
.prose section { margin-bottom: 34px; }
.prose h2 { font-size: 19px; margin-bottom: 12px; }
.prose h3 { font-size: 15.5px; margin: 16px 0 8px; color: var(--fg-muted); }
.prose p { margin-bottom: 10px; }
.prose ul { margin: 8px 0 12px; padding-left: 22px; }
.prose li { margin-bottom: 6px; }

.info-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 4px;
  font-size: 15px; box-shadow: var(--shadow-sm);
}
.info-card .name { font-weight: 600; }

/* contact page grid */
.contact-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px; padding: 44px 0 8px; align-items: start;
}
.panel {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm);
}
.panel h3 { font-size: 16px; margin-bottom: 6px; }
.panel .sub { color: var(--fg-muted); font-size: 14px; }
.addr { margin-top: 12px; font-size: 15px; line-height: 1.7; }
.addr .label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-soft); display: block; margin-bottom: 6px;
}
.hours { margin-top: 18px; font-size: 14.5px; color: var(--fg-muted); }
.map-row { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }

.steps { counter-reset: step; margin: 10px 0 0; padding: 0; list-style: none; }
.steps li {
  display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line);
}
.steps li:last-child { border-bottom: 0; }
.steps .when {
  flex: 0 0 84px; font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.06em; color: var(--accent-deep); padding-top: 4px;
}
.steps h4 { font-size: 15px; }
.steps p { font-size: 13.5px; color: var(--fg-muted); margin-top: 3px; }

/* ───────── Responsive ───────── */
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; padding-top: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .header-links { display: none; }
}