/* Unify Aquatic Intelligent — v2 "Warm Current" direction
   Palette pulled from logo: deep navy + sun-orange on warm cream */

:root {
  --bg: #F7F2E8;
  --bg-alt: #FFFFFF;
  --bg-card: #FBF6EB;
  --bg-navy: #0E1F44;
  --bg-navy-deep: #081330;

  --fg: #0E1F44;
  --fg-dim: #4F628A;
  --fg-mute: #8c98b3;
  --fg-on-navy: #F5EFE2;
  --fg-on-navy-dim: #9FB0D6;

  --line: #E6DECE;
  --line-strong: #CFC4AB;
  --line-navy: #1c2e58;

  --accent: #F08124;
  --accent-deep: #D86510;
  --accent-light: #FBB873;
  --navy: #0E1F44;
  --navy-2: #1c3270;

  --radius: 2px;
  --radius-lg: 18px;

  --display-weight: 500;
  --section-pad: 120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
a { text-decoration: none; }
a:hover { text-decoration: none; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Anuphan', 'IBM Plex Sans Thai', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.mono { font-family: 'JetBrains Mono', 'Anuphan', ui-monospace, monospace; font-feature-settings: 'tnum'; }
.serif { font-weight: var(--display-weight); }
.display { font-family: 'Anuphan', system-ui, sans-serif; font-weight: var(--display-weight); letter-spacing: -0.02em; line-height: 1.05; }
.eyebrow {
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before {
  content: ''; width: 18px; height: 1.5px; background: var(--accent); display: inline-block;
}
.label-mono {
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-mute);
}

/* Layout */
.container { max-width: 1400px; margin: 0 auto; padding: 0 56px; }
.section { padding: var(--section-pad) 0; position: relative; }
.section-tight { padding: 80px 0; }
.section-flush { padding: 0; }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 56px;
  display: flex; align-items: center; justify-content: space-between;
  transition: all 0.4s ease;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { border-bottom: 1px solid var(--line); }
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
  color: var(--fg);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo img { width: 38px; height: 38px; object-fit: contain; }
.nav-logo-text {
  display: flex; flex-direction: column; line-height: 1;
}
.nav-logo-text .name {
  font-weight: 700; font-size: 15px; letter-spacing: 0.04em;
}
.nav-logo-text .name .aq { color: var(--accent); }
.nav-logo-text .tag {
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 9px; letter-spacing: 0.2em;
  color: var(--fg-mute);
  margin-top: 4px;
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-link {
  color: var(--fg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-link:hover { color: var(--accent); }
.nav-cta {
  padding: 10px 18px;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--accent); }

/* Hero */
.hero {
  min-height: 100vh;
  padding: 140px 56px 80px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.hero-bg .orb-orange,
.hero-bg .orb-navy {
  position: absolute; border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}
.hero-bg .orb-orange {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-light), transparent 70%);
  right: -150px; top: 5%;
}
.hero-bg .orb-navy {
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--navy), transparent 70%);
  left: -200px; bottom: -10%;
  opacity: 0.18;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--fg) 5%, transparent) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 2;
  max-width: 1400px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: 80px; align-items: center;
}

/* Minimal hero variant — hide orbit visual, center & enlarge headline */
.hero.hero-minimal .hero-inner {
  grid-template-columns: 1fr;
  max-width: 1080px;
  text-align: center;
  justify-items: center;
}
.hero.hero-minimal .hero-visual { display: none; }
.hero.hero-minimal .hero-meta { justify-content: center; }
.hero.hero-minimal .hero-title { font-size: clamp(54px, 8.4vw, 132px); }
.hero.hero-minimal .hero-sub { margin-left: auto; margin-right: auto; }
.hero.hero-minimal .hero-actions { justify-content: center; }

/* Photo background layer — hidden unless photo variant */
.hero-photo-layer { position: absolute; inset: 0; z-index: 0; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; }
.hero-photo-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-photo-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,19,48,0.55) 0%, rgba(8,19,48,0.32) 38%, rgba(8,19,48,0.72) 100%),
    linear-gradient(90deg, rgba(8,19,48,0.7) 0%, rgba(8,19,48,0.15) 60%, transparent 100%);
}

/* Photo hero variant — full-bleed image, light text */
.hero.hero-photo { min-height: 100vh; }
.hero.hero-photo .hero-bg,
.hero.hero-photo .hero-grid,
.hero.hero-photo .hero-visual { display: none; }
.hero.hero-photo .hero-photo-layer { opacity: 1; }
.hero.hero-photo .hero-inner { grid-template-columns: 1fr; max-width: 1100px; align-self: flex-end; padding-bottom: 40px; }
.hero.hero-photo .eyebrow { color: var(--accent-light); }
.hero.hero-photo .hero-title .navy,
.hero.hero-photo .hero-title .ital { color: #fff; }
.hero.hero-photo .hero-title .accent { color: var(--accent-light); }
.hero.hero-photo .underline-bar::after { background: var(--accent-light); }
.hero.hero-photo .hero-sub { color: rgba(255,255,255,0.88); max-width: 600px; }
.hero.hero-photo .hero-title { font-size: clamp(48px, 6.4vw, 104px); text-shadow: 0 2px 30px rgba(8,19,48,0.4); }
.hero.hero-photo .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.hero.hero-photo .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.hero.hero-photo .hero-scroll { color: rgba(255,255,255,0.8); }
.hero.hero-photo .hero-scroll .bar { background: rgba(255,255,255,0.5); }

.hero-meta {
  display: flex; gap: 24px; align-items: center;
  margin-bottom: 36px;
}

.hero-title {
  font-size: clamp(48px, 7.2vw, 116px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin-bottom: 32px;
}
.hero-title .accent { color: var(--accent); }
.hero-title .navy { color: var(--navy); }
.hero-title .ital {
  color: var(--accent);
}
.hero-title .underline-bar {
  position: relative;
  display: inline-block;
}
.hero-title .underline-bar::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 0.06em;
  height: 0.12em;
  background: var(--accent);
  opacity: 0.25;
}

.hero-sub {
  max-width: 540px;
  font-size: 18px;
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  font-size: 14px; font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  transition: all 0.2s ease;
  cursor: pointer; border: none;
  font-family: inherit;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); box-shadow: 0 12px 32px rgba(240,129,36,0.3); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--navy); }
.btn-orange { background: var(--accent); color: #fff; }
.btn-orange:hover { background: var(--accent-deep); transform: translateY(-1px); box-shadow: 0 12px 32px rgba(240,129,36,0.35); }
.btn-light { background: var(--bg-alt); color: var(--navy); border: 1px solid var(--line); }
.btn-light:hover { border-color: var(--accent); color: var(--accent); }

/* Hero visual — actual logo as centerpiece + radar rings */
.hero-visual {
  position: relative;
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
}
.hero-visual-logo {
  width: 62%;
  height: 62%;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 24px 48px rgba(14,31,68,0.18));
  animation: logo-spin 40s linear infinite;
}
@keyframes logo-spin {
  to { transform: rotate(360deg); }
}
.hero-visual-glow {
  position: absolute;
  width: 70%; height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,129,36,0.18), transparent 70%);
  filter: blur(20px);
  z-index: 1;
}
.hero-visual-ring {
  position: absolute; inset: 0;
  border: 1px dashed var(--line-strong);
  border-radius: 50%;
  opacity: 0.6;
}
.hero-visual-ring.r2 {
  inset: 8%;
  border-style: solid;
  border-color: var(--line);
  opacity: 0.9;
}
.hero-visual-ring.r3 {
  inset: 18%;
  border-style: dashed;
  border-color: var(--line-strong);
  opacity: 0.4;
  animation: spin 80s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.hero-visual-tick {
  position: absolute;
  width: 1px;
  background: var(--line-strong);
}
.hero-visual-dot {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}
.hero-floating-tag {
  position: absolute;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex; flex-direction: column; gap: 4px;
  box-shadow: 0 12px 32px rgba(14, 31, 68, 0.06);
}
.hero-floating-tag .k { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 10px; letter-spacing: 0.15em; color: var(--fg-mute); text-transform: uppercase; }
.hero-floating-tag .v { font-size: 18px; font-weight: 600; color: var(--navy); }
.hero-floating-tag .v .unit { color: var(--accent); font-size: 12px; font-weight: 500; }
.hero-floating-tag.t1 { top: 10%; left: -8%; }
.hero-floating-tag.t2 { bottom: 8%; right: -4%; }
.hero-floating-tag.t3 { top: 50%; right: -10%; transform: translateY(-50%); }

.hero-scroll {
  position: absolute; bottom: 32px; left: 56px;
  display: flex; align-items: center; gap: 12px;
  font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--fg-mute);
}
.hero-scroll .bar {
  width: 40px; height: 1px; background: var(--line-strong); position: relative; overflow: hidden;
}
.hero-scroll .bar::after {
  content: ''; position: absolute; inset: 0;
  background: var(--accent);
  animation: slide 2.4s ease-in-out infinite;
}
@keyframes slide {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

/* Marquee */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
  overflow: hidden;
  padding: 22px 0;
}
.marquee-track {
  display: flex; gap: 80px;
  white-space: nowrap;
  animation: marquee 50s linear infinite;
  width: max-content;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'Anuphan', sans-serif;
  font-size: 17px;
  font-weight: 500;
  color: var(--navy);
}
.marquee-item .star {
  width: 14px; height: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent);
}

/* About */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}
.about-headline {
  font-size: clamp(36px, 4.5vw, 64px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-weight: 500;
}
.about-headline .accent { color: var(--accent); }
.about-text {
  font-size: 17px;
  color: var(--fg-dim);
  line-height: 1.7;
}
.about-text p + p { margin-top: 1em; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 48px; }
.about-stat { padding: 24px 0; border-top: 1px solid var(--line-strong); }
.about-stat .num { font-size: 56px; font-weight: 500; letter-spacing: -0.03em; color: var(--navy); line-height: 1; }
.about-stat .num .unit { font-size: 22px; color: var(--accent); margin-left: 4px; }
.about-stat .lbl { font-size: 14px; color: var(--fg-dim); margin-top: 10px; }

/* Section header */
.section-header { margin-bottom: 72px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; }
.section-header h2 {
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
}
.section-header h2 .accent { color: var(--accent); }
.section-header h2 .ital { color: var(--accent); }
.section-header .lead { color: var(--fg-dim); max-width: 480px; font-size: 17px; line-height: 1.65; }

/* Solutions (4 program cards) */
.solutions {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.solution-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  display: flex; flex-direction: column;
  min-height: 380px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.solution-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 24px 48px rgba(14,31,68,0.08);
}
.solution-card .num { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--accent); letter-spacing: 0.15em; }
.solution-card .glyph {
  width: 72px; height: 72px;
  margin: 24px 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.solution-card .glyph-bg {
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}
.solution-card:hover .glyph-bg { opacity: 1; }
.solution-card .title {
  font-size: 24px; font-weight: 500;
  letter-spacing: -0.01em; line-height: 1.2;
  margin-top: auto;
  color: var(--navy);
}
.solution-card .desc {
  color: var(--fg-dim);
  font-size: 14px; line-height: 1.55;
  margin-top: 10px;
}
.solution-card .more {
  margin-top: 20px;
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy);
  display: inline-flex; gap: 8px; align-items: center;
}
.solution-card:hover .more { color: var(--accent); }

/* Categories — two big cards */
.categories {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.category {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
  display: flex; flex-direction: column;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.category.dark {
  background: var(--navy);
  color: var(--fg-on-navy);
  border-color: var(--line-navy);
}
.category.dark .cat-title { color: var(--fg-on-navy); }
.category.dark .cat-desc { color: var(--fg-on-navy-dim); }
.category.dark .cat-item { border-color: var(--line-navy); }
.category.dark .cat-item .ci-name { color: var(--fg-on-navy); }
.category.dark .cat-item:hover { background: var(--navy-2); }
.cat-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.cat-num { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 12px; letter-spacing: 0.15em; color: var(--accent); }
.cat-title { font-size: 32px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; max-width: 340px; }
.cat-desc { color: var(--fg-dim); font-size: 15px; line-height: 1.6; }
.cat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.cat-item {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.cat-item:hover { padding-left: 8px; }
.cat-item .ci-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%; flex-shrink: 0;
}
.cat-item .ci-name { color: var(--fg); font-weight: 500; }

/* Products grid (real product names) */
.products {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.product {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  display: flex; flex-direction: column;
  min-height: 260px;
  position: relative;
  transition: all 0.3s ease;
  cursor: pointer;
}
.product:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 18px 36px rgba(14,31,68,0.06);
}
.product .swatch {
  width: 60px; height: 60px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 18px; font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.product .name {
  font-size: 19px; font-weight: 600;
  letter-spacing: -0.01em; line-height: 1.2;
  color: var(--navy);
  margin-bottom: 6px;
}
.product .alt {
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 11px;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.product .role {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
  color: var(--fg-dim);
}
.product .role .arr {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.product:hover .role .arr { background: var(--accent); color: #fff; }

/* R&D / Intelligence — dark section */
.rd {
  background: var(--navy);
  color: var(--fg-on-navy);
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}
.rd::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 35%, transparent), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.rd .container { position: relative; z-index: 2; }
.rd-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: center; }
.rd-title {
  font-size: clamp(40px, 5.5vw, 80px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.rd-title .accent { color: var(--accent); }
.rd-title .ital {
  color: var(--accent-light);
}
.rd-sub {
  margin-top: 32px;
  font-size: 17px;
  color: var(--fg-on-navy-dim);
  line-height: 1.7;
  max-width: 560px;
}
.rd-pillars {
  margin-top: 56px;
  display: flex; flex-direction: column;
}
.rd-pillar {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line-navy);
}
.rd-pillar:last-child { border-bottom: 1px solid var(--line-navy); }
.rd-pillar .p-num {
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 12px; color: var(--accent);
  letter-spacing: 0.15em;
}
.rd-pillar .p-title { font-size: 19px; font-weight: 500; color: var(--fg-on-navy); }
.rd-pillar .p-meta { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--fg-on-navy-dim); letter-spacing: 0.1em; }

/* R&D visual: stacked rings with orange/navy gradients (logo echo) */
.rd-visual {
  aspect-ratio: 1;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.rd-wave {
  width: 100%; height: 100%;
  position: relative;
}
.rd-wave svg { width: 100%; height: 100%; }
.rd-stat-overlay {
  position: absolute;
  background: rgba(14, 31, 68, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-navy);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex; flex-direction: column; gap: 4px;
}
.rd-stat-overlay .k { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 10px; letter-spacing: 0.15em; color: var(--fg-on-navy-dim); text-transform: uppercase; }
.rd-stat-overlay .v { font-size: 22px; font-weight: 600; color: var(--accent-light); }
.rd-stat-overlay.s1 { top: 8%; left: 0%; }
.rd-stat-overlay.s2 { bottom: 8%; right: 4%; }

/* Articles / Research Series */
.articles {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: all 0.3s;
}
.article:hover { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(14,31,68,0.08); }
.article-img {
  aspect-ratio: 16/10;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.article-img-stripes {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, transparent 0 12px, color-mix(in srgb, var(--accent) 8%, transparent) 12px 13px);
}
.article-img .tag {
  position: absolute; top: 16px; left: 16px;
  background: var(--navy); color: #fff;
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 10px; letter-spacing: 0.15em;
  padding: 6px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}
.article-img .placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', 'Anuphan', monospace;
  font-size: 11px;
  color: var(--fg-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.article-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.article-meta { display: flex; gap: 16px; align-items: center; font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--fg-mute); letter-spacing: 0.1em; text-transform: uppercase; }
.article-title { font-size: 20px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.3; color: var(--navy); }
.article-excerpt { font-size: 14px; color: var(--fg-dim); line-height: 1.55; }

/* Testimonial */
.testimonial {
  background: var(--bg-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.testimonial-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: center; }
.testimonial-quote {
  font-family: 'Anuphan', system-ui, sans-serif;
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 48px);
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--navy);
}
.testimonial-quote .accent { font-style: normal; color: var(--accent); font-weight: 400; }
.testimonial-by {
  display: flex; gap: 16px; align-items: center;
  margin-top: 40px;
}
.testimonial-by .avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--navy));
}
.testimonial-by .who { display: flex; flex-direction: column; }
.testimonial-by .who .name { font-weight: 600; font-size: 16px; }
.testimonial-by .who .role { font-size: 13px; color: var(--fg-dim); }

.testimonial-results {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  overflow: hidden;
}
.testimonial-result {
  background: var(--bg-alt);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.testimonial-result .lbl { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; letter-spacing: 0.15em; color: var(--fg-mute); text-transform: uppercase; }
.testimonial-result .num { font-size: 42px; font-weight: 500; letter-spacing: -0.02em; color: var(--navy); line-height: 1; }
.testimonial-result .num .unit { font-size: 18px; color: var(--accent); }
.testimonial-result .trend { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--accent); }

/* Network / regions */
.network {
  background: var(--bg-card);
}
.network-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.network-region {
  background: var(--bg-alt);
  padding: 32px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background 0.2s;
  cursor: pointer;
}
.network-region:hover { background: var(--bg-card); }
.network-region .reg-name {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--navy);
}
.network-region .reg-phone { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 14px; color: var(--accent); margin-top: 4px; text-decoration: none; display: block; }
.network-region .reg-phone:hover { text-decoration: underline; }
.network-region .reg-area { font-size: 13px; color: var(--fg-dim); }
.network-region .reg-contact { font-size: 13px; color: var(--fg-dim); font-weight: 500; margin-top: 12px; }

/* CTA */
.cta {
  background: var(--navy);
  color: var(--fg-on-navy);
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: 50%; left: -100px;
  transform: translateY(-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 30%, transparent), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.cta::after {
  content: '';
  position: absolute;
  bottom: -150px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent-light) 25%, transparent), transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}
.cta-inner {
  position: relative; z-index: 2;
  max-width: 1000px; margin: 0 auto;
  text-align: center; padding: 0 56px;
}
.cta-title {
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 24px;
}
.cta-title .accent { color: var(--accent); }
.cta-title .ital { color: var(--accent-light); }
.cta-sub { font-size: 18px; color: var(--fg-on-navy-dim); max-width: 600px; margin: 0 auto 48px; line-height: 1.6; }
.cta-form { display: flex; gap: 12px; max-width: 540px; margin: 0 auto; }
.cta-input {
  flex: 1;
  padding: 18px 22px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line-navy);
  color: var(--fg-on-navy);
  font-size: 15px;
  font-family: inherit;
  border-radius: 999px;
  outline: none;
  transition: all 0.2s;
}
.cta-input::placeholder { color: var(--fg-on-navy-dim); }
.cta-input:focus { border-color: var(--accent); background: rgba(255,255,255,0.1); }
.cta-channels {
  display: flex; gap: 56px; justify-content: center;
  margin-top: 64px;
  flex-wrap: wrap;
}
.cta-channel { display: flex; flex-direction: column; gap: 4px; }
.cta-channel .k { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--fg-on-navy-dim); letter-spacing: 0.15em; text-transform: uppercase; }
.cta-channel .v { font-size: 18px; font-weight: 600; color: var(--accent-light); }

/* Footer */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 64px;
}
.footer-brand { display: flex; flex-direction: column; gap: 18px; max-width: 360px; }
.footer-brand-text { color: var(--fg-dim); font-size: 14px; line-height: 1.6; }
.footer-col h4 { font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--fg-mute); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--fg); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'JetBrains Mono', 'Anuphan', monospace; font-size: 11px; color: var(--fg-mute);
  letter-spacing: 0.1em; text-transform: uppercase;
  gap: 16px; flex-wrap: wrap;
}

/* ── Hero Slider ─────────────────────────────────────────────── */
.hero-slides {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  pointer-events: none;
}
.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.hero-dots {
  position: absolute;
  bottom: 28px; right: 36px;
  display: flex; gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none; cursor: pointer;
  padding: 0; transition: all 0.3s;
}
.hero-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}
.hero-dot:hover { background: rgba(255,255,255,0.8); }

/* ── Hamburger & Mobile Nav ──────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none; border: none;
  cursor: pointer; padding: 4px;
  z-index: 201;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--navy);
  transition: all 0.3s ease;
  transform-origin: center;
}
.nav.scrolled .nav-hamburger span { background: var(--navy); }
body.nav-open .nav-hamburger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .nav-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
body.nav-open .nav-hamburger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(14,31,68,0.5);
  z-index: 198;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.mobile-nav {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 88vw);
  height: 100dvh;
  background: var(--bg);
  z-index: 199;
  padding: 80px 32px 48px;
  display: flex; flex-direction: column; gap: 0;
  transform: translateX(110%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -8px 0 40px rgba(14,31,68,0.15);
}
body.nav-open .mobile-nav-overlay { display: block; }
body.nav-open .mobile-nav { transform: translateX(0); }

.mobile-nav-link {
  display: block;
  padding: 18px 0;
  font-size: 20px;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  letter-spacing: -0.01em;
  transition: color 0.2s;
}
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--accent); }
.mobile-nav-cta {
  margin-top: 32px;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 600; font-size: 15px;
  text-decoration: none; transition: background 0.2s;
}
.mobile-nav-cta:hover { background: var(--accent-deep); }
.mobile-nav-socials {
  margin-top: auto;
  display: flex; gap: 16px;
}
.mobile-nav-social {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-mute); text-decoration: none;
  transition: color 0.2s;
}
.mobile-nav-social:hover { color: var(--accent); }

/* ── Scroll reveal ───────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.revealed { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { display: none; }
  .section-header { grid-template-columns: 1fr; gap: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .solutions { grid-template-columns: repeat(2, 1fr); }
  .categories { grid-template-columns: 1fr; }
  .products { grid-template-columns: repeat(2, 1fr); }
  .rd-grid { grid-template-columns: 1fr; gap: 56px; }
  .articles { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; gap: 48px; }
  .network-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 110px 0 60px; }
  .hero-scroll { left: 20px; }
  .solutions { grid-template-columns: 1fr; }
  .products { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-form { flex-direction: column; }
  .cta-inner { padding: 0 20px; }
  .cta-input { border-radius: 14px; }
  .cta-channels { gap: 32px; }
  .network-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 420px) {
  .products { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(36px,10vw,56px); }
}