/* ============================================================
   BASE — Reset · Tokens · Typography · Shared Utilities
   ============================================================ */

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  /* Color palette */
  --color-dark:     #1A1A1A;
  --color-beige:    #F5F0E8;
  --color-teal:     #1A5C5C;
  --color-teal-mid: #2A8080;
  --color-mid:      #6B6560;

  /* Border colors */
  --border-dark:  rgba(26, 26, 26, .1);
  --border-light: rgba(245, 240, 232, .09);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Jost', sans-serif;
  --font-mono:    'DM Mono', monospace;
}

/* ── Base ───────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--color-beige);
  color: var(--color-dark);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Utility: Label ─────────────────────────────────────── */
.label {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--color-teal-mid);
}

.label--dark {
  color: rgba(245, 240, 232, .42);
}

/* ── Utility: Section Header ────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 4.5rem;
}

.section-header hr {
  flex: 1;
  border: none;
  border-top: 1px solid var(--border-dark);
}

.section-header--dark hr {
  border-color: var(--border-light);
}

/* ── Utility: Section Title ─────────────────────────────── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
}

/* ── Utility: Button ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .08em;
  transition: background .2s, border-color .2s, color .2s;
}

.btn svg { transition: transform .25s; }
.btn:hover svg { transform: translateX(4px); }

.btn--outline {
  color: var(--color-beige);
  border: 1px solid rgba(245, 240, 232, .35);
  padding: 1rem 2rem;
}

.btn--outline:hover {
  background: rgba(245, 240, 232, .1);
  border-color: rgba(245, 240, 232, .7);
}

/* ── Thai language overrides ────────────────────────────── */
:lang(th) body {
  font-family: 'Sarabun', sans-serif;
  font-weight: 400;
  line-height: 1.85;
}

:lang(th) .section-title,
:lang(th) h1,
:lang(th) h2,
:lang(th) h3 {
  font-family: 'Sarabun', sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}

:lang(th) .hero__heading {
  font-family: 'Sarabun', sans-serif;
  letter-spacing: -.01em;
  line-height: 1.4;
}

:lang(th) .section-title {
  line-height: 1.45;
}

:lang(th) .service-card__name,
:lang(th) .server-card__name,
:lang(th) .cta__heading {
  line-height: 1.45;
}

/* ── Animations: Load ───────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade {
  opacity: 0;
  animation: fade-up .8s ease forwards;
}

.fade--d1 { animation-delay: .05s; }
.fade--d2 { animation-delay: .2s;  }
.fade--d3 { animation-delay: .38s; }
.fade--d4 { animation-delay: .55s; }

/* ── Animations: Scroll Reveal ──────────────────────────── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity .7s ease, transform .7s ease;
}

.js .reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-clip {
  clip-path: inset(0 0 0% 0);
  transition: clip-path .9s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .reveal-clip {
  clip-path: inset(0 0 0% 0);
}

.reveal-clip.is-visible {
  clip-path: inset(0 0 0% 0);
}