/* ═══════════════════════════════════════════════════
   VERTEX SERVICES — Main Stylesheet
   Minimal · Professional · Light Theme · Green
═══════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────── */
:root {
  --bg-base:       #FFFFFF;
  --bg-section:    #F7F9FC;
  --bg-alt:        #FFFFFF;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #F7F9FC;
  --border:        rgba(15, 23, 42, 0.10);
  --border-hover:  rgba(15, 23, 42, 0.20);

  --accent:        #0E9850;
  --accent-dim:    rgba(14, 152, 80, 0.08);

  --green:         #16A34A;
  --red:           #DC2626;
  --amber:         #D97706;

  --text:          #0F172A;
  --text-muted:    #475569;
  --text-dim:      #94A3B8;

  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius:    10px;
  --radius-lg: 16px;
  --nav-h: 72px;
}

/* ── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Layout ─────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ─────────────────────────────────── */
h1, h2, h3, h4, h5 { font-family: var(--font-head); line-height: 1.15; color: var(--text); }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem);   font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; letter-spacing: -0.015em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.45rem);  font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--text-muted); font-size: 1rem; }

.gradient-text { color: var(--accent); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title { margin-bottom: 16px; }
.section-sub { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

/* ── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #0A7840;
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--border-hover);
  background: rgba(15,23,42,0.04);
}

.btn-outline {
  color: var(--accent);
  border: 1px solid rgba(14, 152, 80, 0.4);
  background: transparent;
}
.btn-outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.btn-full { width: 100%; justify-content: center; }

/* ── Tab panels ─────────────────────────────────── */
.tab-panel          { display: none; }
.tab-panel.active   { display: block; }

/* ── Section base ───────────────────────────────── */
.section { padding: 100px 0; background: #FFFFFF; }

/* ══════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: #0B1425;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-mark { width: 36px; height: 36px; }
.logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: #E2E8F0;
}
.logo-accent { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 4px; }

/* Tab buttons */
.nav-tab {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(203,213,225,0.75);
  transition: all 0.18s;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  position: relative;
}
.nav-tab:hover { color: #E2E8F0; background: rgba(255,255,255,0.07); }
.nav-tab.active {
  color: #1FC870;
  font-weight: 600;
}
.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 10px; right: 10px;
  height: 2px;
  background: #1FC870;
  border-radius: 2px;
}

.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 7px !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  margin-left: 4px;
}
.nav-cta:hover {
  background: #0A7840 !important;
  transform: translateY(-1px);
  color: #fff !important;
}
.nav-cta.active::after { display: none; }
.nav-cta.active { color: #fff !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #94A3B8;
  border-radius: 2px;
  transition: all 0.2s;
}

/* ══════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
  background: #FFFFFF;
}

.hero-canvas  { display: none; }
.hero-overlay { display: none; }

.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 24px 120px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-section);
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.hero-title { margin-bottom: 24px; max-width: 820px; }

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 580px;
  margin-bottom: 40px;
  color: var(--text-muted);
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 72px; }

.hero-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 36px;
  max-width: 860px;
}

.stat-item { flex: 1; min-width: 130px; text-align: center; }

.stat-number {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-muted);
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 8px;
}

/* ══════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════ */
.about { background: #FFFFFF; border-top: 1px solid var(--border); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.about-body { margin-bottom: 20px; font-size: 1rem; }

.about-pillars { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }

.pillar { display: flex; align-items: flex-start; gap: 16px; }

.pillar-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(14, 152, 80, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.pillar strong { display: block; font-family: var(--font-head); font-weight: 600; color: var(--text); margin-bottom: 3px; font-size: 1rem; }
.pillar p { font-size: 0.95rem; margin: 0; }

.about-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }

.about-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 3px rgba(15,23,42,0.04);
}
.about-card:hover { transform: translateY(-3px); border-color: var(--border-hover); box-shadow: 0 4px 12px rgba(15,23,42,0.06); }
.about-card.accent-green { border-color: rgba(14, 152, 80, 0.25); }

.about-card-number {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 6px;
}
.about-card-number span { font-size: 1.1rem; color: var(--text-muted); }
.about-card-label { font-size: 0.9rem; color: var(--text-muted); }

.cert-badges { display: flex; gap: 12px; }
.cert-badge {
  flex: 1;
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  text-align: center;
}
.cert-iso  { display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); letter-spacing: 0.1em; }
.cert-num  { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; color: var(--text); }
.cert-type { display: block; font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ══════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(15,23,42,0.05);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.25s;
}

.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15,23,42,0.08);
}
.service-card:hover::before { opacity: 1; }

.service-card.featured { border-color: rgba(14, 152, 80, 0.25); }
.service-card.featured::before { opacity: 1; }

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(14, 152, 80, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 { margin-bottom: 12px; color: var(--text); font-size: 1.15rem; }
.service-card p  { font-size: 0.95rem; line-height: 1.7; margin-bottom: 20px; }

.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.service-tags li {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: transparent;
}

/* ══════════════════════════════════════════════════
   PROCESS
══════════════════════════════════════════════════ */
.process { border-top: 1px solid var(--border); }

.process-track { position: relative; margin-bottom: 64px; }

.process-line {
  position: absolute;
  left: 26px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.process-steps { display: flex; flex-direction: column; }

.process-step {
  display: flex;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
.process-step:last-child { border-bottom: none; }

.step-node {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: all 0.2s;
}
.process-step:hover .step-node {
  background: var(--accent-dim);
  border-color: rgba(14, 152, 80, 0.35);
}

.step-content { padding-top: 12px; flex: 1; }
.step-content h4 { color: var(--text); margin-bottom: 6px; }
.step-content p  { font-size: 0.95rem; }

/* Emergency Block */
.emergency-block {
  background: rgba(220, 38, 38, 0.03);
  border: 1px solid rgba(220, 38, 38, 0.12);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.emergency-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.emergency-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--red);
  animation: blink 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

.emergency-header h3 { font-size: 1.2rem; color: var(--text); }

.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 5px 14px;
  background: rgba(220, 38, 38, 0.07);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: #B91C1C;
  border-radius: 100px;
}

.emergency-steps { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.em-step {
  flex: 1;
  min-width: 150px;
  padding: 20px;
  background: rgba(15,23,42,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}
.em-time {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 8px;
}
.em-desc { font-size: 0.9rem; color: var(--text-muted); }

.em-arrow { color: var(--text-dim); font-size: 1.4rem; flex-shrink: 0; }

/* ══════════════════════════════════════════════════
   SLA
══════════════════════════════════════════════════ */
.sla { border-top: 1px solid var(--border); }

.sla-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 64px;
  align-items: stretch;
}

.sla-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  box-shadow: 0 1px 3px rgba(15,23,42,0.05);
}

.sla-card.featured {
  border-color: rgba(14, 152, 80, 0.35);
  box-shadow: 0 4px 16px rgba(14,152,80,0.08);
}

.sla-recommended {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.sla-tier-label {
  font-family: var(--font-head);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
}

.sla-icon { color: var(--accent); }

.sla-positioning { font-size: 0.95rem; color: var(--text-muted); flex: 0; }

.sla-metrics { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.sla-metrics li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid rgba(15,23,42,0.06);
  font-size: 0.95rem;
}
.metric-label { color: var(--text-muted); }
.metric-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
  font-size: 0.92rem;
}

/* ── SLA carousel dots (mobile only) ── */
.sla-dots {
  display: none;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  margin-bottom: 48px;
}
.sla-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border);
  border: 1px solid rgba(15,23,42,0.15);
  transition: all 0.2s;
  cursor: pointer;
}
.sla-dot.active {
  background: var(--accent);
  width: 20px;
  border-radius: 4px;
}

/* Fault Table */
.fault-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.fault-table-title {
  padding: 20px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  background: var(--bg-section);
}

.fault-grid { display: table; width: 100%; }

.fault-row {
  display: grid;
  grid-template-columns: 140px 1fr 140px 160px;
  padding: 15px 28px;
  gap: 16px;
  align-items: center;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
.fault-row:last-child { border-bottom: none; }

.fault-row.header {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--bg-section);
}

.fault-level { font-family: var(--font-head); font-weight: 700; font-size: 0.95rem; color: var(--text); }
.fault-level em { display: block; font-style: normal; font-size: 0.82rem; color: var(--text-muted); font-weight: 400; }

.fault-row.p0 { background: rgba(220,38,38,0.03); }
.fault-row.p0 .fault-level { color: #DC2626; }
.fault-row.p1 .fault-level { color: var(--amber); }
.fault-row.p2 .fault-level { color: var(--accent); }
.fault-row.p3 .fault-level { color: var(--text-muted); }

.fault-time {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
  font-size: 0.92rem;
}

/* ══════════════════════════════════════════════════
   COVERAGE
══════════════════════════════════════════════════ */
.coverage-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.sea-map {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background: #EBF3F8;
  box-shadow: 0 1px 3px rgba(15,23,42,0.05);
}
.map-svg { width: 100%; height: auto; display: block; }
.country { fill: #C8D8C8; stroke: #9AB0A0; stroke-width: 0.8; }

.map-legend {
  display: flex;
  gap: 20px;
  padding: 16px 20px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
.legend-dot.active-hq       { background: var(--accent); }
.legend-dot.active-centre   { background: #2E7D4F; }
.legend-dot.upcoming-centre { background: #D97706; }
.legend-dot.coverage-area   { background: #8BAEB8; opacity: 0.7; }
.legend-dot.planned         { background: #94A3B8; }

.coverage-details { display: flex; flex-direction: column; gap: 24px; }
.coverage-group { display: flex; flex-direction: column; gap: 12px; }
.coverage-group-label {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding-left: 2px;
}

.coverage-point {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(15,23,42,0.04);
}
.coverage-point.active { border-color: rgba(14, 152, 80, 0.25); }
.coverage-point.planned { opacity: 0.7; }

.coverage-point-header { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }

.coverage-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.coverage-icon.hq   { background: var(--accent-dim); border: 1px solid rgba(14,152,80,0.2); color: var(--accent); }
.coverage-icon.jb   { background: rgba(217,119,6,0.07); border: 1px solid rgba(217,119,6,0.25); color: #D97706; }
.coverage-icon.bkk  { background: rgba(217,119,6,0.07); border: 1px solid rgba(217,119,6,0.25); color: #D97706; font-size: 0.78rem; }
.coverage-icon.plan { background: rgba(15,23,42,0.03); border: 1px solid var(--border); color: var(--text-dim); font-size: 1rem; }

.coverage-point-header h4 { color: var(--text); margin-bottom: 3px; }
.coverage-status { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }
.planned-tag  { color: var(--text-dim) !important; }
.upcoming-tag { color: #D97706 !important; }

.coverage-point.upcoming { border-color: rgba(217,119,6,0.2); }

.coverage-area-note {
  margin-top: 4px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--bg-section);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.coverage-point p { font-size: 0.95rem; margin-bottom: 4px; }
.coverage-point p:last-child { margin-bottom: 0; }
.muted { color: var(--text-dim) !important; font-style: italic; }

/* ══════════════════════════════════════════════════
   FACILITY
══════════════════════════════════════════════════ */
.facility { border-top: 1px solid var(--border); }

.facility-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.facility-zone {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.22s;
  box-shadow: 0 1px 3px rgba(15,23,42,0.04);
}
.facility-zone:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(15,23,42,0.07);
}
.facility-zone.highlight-zone { border-color: rgba(14, 152, 80, 0.2); }

.zone-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.facility-zone h4 { color: var(--text); margin-bottom: 10px; }
.facility-zone p  { font-size: 0.95rem; line-height: 1.65; }

.facility-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.spec-item { text-align: center; }
.spec-val   { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; color: var(--text); }
.spec-label { font-size: 0.85rem; color: var(--text-muted); }

/* ══════════════════════════════════════════════════
   CASE STUDIES
══════════════════════════════════════════════════ */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.case-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(15,23,42,0.05);
}
.case-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(15,23,42,0.08);
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(14, 152, 80, 0.2);
  color: var(--accent);
  border-radius: 100px;
  width: fit-content;
  letter-spacing: 0.05em;
}

.case-title { font-size: 1.05rem; color: var(--text); line-height: 1.4; }

.case-meta { display: flex; flex-wrap: wrap; gap: 10px; }
.case-meta span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.case-card > p { font-size: 0.95rem; }

.case-faults { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.case-fault {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 10px 14px;
  background: var(--bg-section);
  border-left: 2px solid rgba(14,152,80,0.35);
  border-radius: 0 6px 6px 0;
}
.case-fault strong { color: var(--text); }

.case-result { display: flex; gap: 16px; padding-top: 16px; border-top: 1px solid rgba(15,23,42,0.07); }
.result-kpi { flex: 1; text-align: center; }
.kpi-val {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}
.kpi-label { font-size: 0.85rem; color: var(--text-muted); }

/* ══════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }

.contact-info .section-title { margin-top: 12px; text-align: left; }
.contact-info > p { margin: 16px 0 32px; font-size: 1rem; }

.contact-details { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.contact-item { display: flex; align-items: flex-start; gap: 14px; }

.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--accent-dim);
  border: 1px solid rgba(14,152,80,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item strong { display: block; color: var(--text); font-size: 0.95rem; }
.contact-item p { font-size: 0.95rem; margin: 0; }

.response-promise {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(14, 152, 80, 0.05);
  border: 1px solid rgba(14, 152, 80, 0.2);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--text-muted);
}
.promise-icon { color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.response-promise strong { color: var(--accent); }

/* Form */
.contact-form {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-body);
}

input, select, textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.18s, box-shadow 0.18s;
  outline: none;
  width: 100%;
}

input::placeholder, textarea::placeholder { color: var(--text-dim); }

input:focus, select:focus, textarea:focus {
  border-color: rgba(14, 152, 80, 0.5);
  box-shadow: 0 0 0 3px rgba(14, 152, 80, 0.08);
}

select { appearance: none; cursor: pointer; }
select option { background: var(--bg-card); }

textarea { resize: vertical; min-height: 110px; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px;
  background: rgba(14,152,80,0.06);
  border: 1px solid rgba(14,152,80,0.2);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--accent);
}
.form-success.show { display: flex; }

/* ══════════════════════════════════════════════════
   CAREERS
══════════════════════════════════════════════════ */
.careers-values { margin-bottom: 56px; }
.careers-section-label {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.careers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.career-card {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(15,23,42,0.04);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.career-card-top { display: flex; flex-direction: column; gap: 10px; }
.career-title { font-size: 1.1rem; color: var(--text); margin: 0; }
.career-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.career-tag {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--bg-section);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.career-tag.type-tag { color: var(--accent); border-color: rgba(14,152,80,0.2); background: var(--accent-dim); }
.career-card p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.65; margin: 0; flex: 1; }
.career-apply {
  display: inline-flex;
  align-items: center;
  font-size: 0.88rem;
  font-family: var(--font-mono);
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.15s;
}
.career-apply:hover { opacity: 0.7; }
.careers-cta {
  text-align: center;
  padding: 32px;
  border-radius: var(--radius);
  background: var(--bg-section);
  border: 1px solid var(--border);
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.careers-email { color: var(--accent); text-decoration: none; font-weight: 500; }
.careers-email:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════════
   FOOTER — dark island
══════════════════════════════════════════════════ */
.footer {
  --text:       #E2E8F0;
  --text-muted: #8895AA;
  --text-dim:   #546070;
  --border:     rgba(255, 255, 255, 0.08);
  --bg-card:    #111827;
  --accent:     #1FC870;

  background: #08101E;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 72px 0 32px;
  color: var(--text-muted);
}

.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; margin-bottom: 48px; }

.footer-tagline {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin: 16px 0 8px;
}
.footer-desc { font-size: 0.95rem; color: var(--text-muted); }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-link-btn {
  font-size: 0.95rem;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
  transition: color 0.18s;
}
.footer-link-btn:hover { color: var(--text); }

.footer-col ul li:not(:has(button)):not(:has(a)) { font-size: 0.92rem; color: var(--text-muted); }

.footer-cert-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.footer-cert {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.9rem; margin: 0; color: var(--text-muted); }
.footer-mono { font-family: var(--font-mono); font-size: 0.85rem !important; color: var(--text-dim); }

/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid   { grid-template-columns: repeat(2, 1fr); }
  .facility-grid   { grid-template-columns: repeat(2, 1fr); }
  .cases-grid      { grid-template-columns: 1fr 1fr; }
  .sla-grid        { grid-template-columns: 1fr 1fr; }
  .about-grid      { grid-template-columns: 1fr; gap: 48px; }
  .coverage-layout { grid-template-columns: 1fr; }
  .footer-top      { grid-template-columns: 1fr; gap: 40px; }
  .fault-row       { grid-template-columns: 100px 1fr 100px 120px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  #panel-services > .section:first-child,
  #panel-coverage > .section:first-child,
  #panel-career   > .section:first-child { padding-top: 120px; }

  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    background: #0D1F35;
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    gap: 4px;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .nav-tab { text-align: left; padding: 12px; font-size: 1rem; border-radius: 8px; }
  .nav-tab.active::after { display: none; }
  .nav-cta { margin-left: 0 !important; margin-top: 8px; text-align: center; }
  .nav-toggle { display: flex; }

  /* Hero */
  .hero-content { padding: 60px 24px 100px; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 20px; }
  .stat-divider { width: 80%; height: 1px; margin: 0 auto; }
  .hero-actions { flex-direction: column; }

  /* Grids → single column */
  .services-grid   { grid-template-columns: 1fr; }
  .cases-grid      { grid-template-columns: 1fr; }
  .careers-grid    { grid-template-columns: 1fr; }
  .facility-grid   { grid-template-columns: 1fr; }
  .about-card-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid    { grid-template-columns: 1fr; gap: 40px; }
  .form-row        { grid-template-columns: 1fr; }
  .footer-links    { grid-template-columns: 1fr; }

  /* SLA — horizontal swipe carousel */
  .sla-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    padding: 16px 24px 20px;
    margin: 0 -24px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .sla-grid::-webkit-scrollbar { display: none; }
  .sla-card {
    flex: 0 0 82%;
    scroll-snap-align: center;
    min-width: 0;
  }
  .sla-dots { display: flex; }

  /* Fault table */
  .fault-row { grid-template-columns: 1fr; gap: 6px; padding: 16px 20px; }
  .fault-row.header { display: none; }

  /* Emergency */
  .emergency-steps { flex-direction: column; }
  .em-arrow { transform: rotate(90deg); }

  /* Process */
  .process-line { display: none; }
  .process-step { padding: 20px 0; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.7rem; }
  .hero-badge { font-size: 0.82rem; }
  .about-card-grid { grid-template-columns: 1fr; }
  .cert-badges { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sla-card { flex: 0 0 90%; }
}

/* ── Scrollbar ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-section); }
::-webkit-scrollbar-thumb { background: rgba(15,23,42,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(15,23,42,0.25); }

/* ── Utility ────────────────────────────────────── */
.muted { color: var(--text-dim); }

/* ── Hero visual strip ──────────────────────────── */
.hero-visual {
  margin-top: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(15,23,42,0.07);
  max-width: 900px;
}
.hero-visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: 50% 35%;
  display: block;
}

/* ── About section photo ────────────────────────── */
.about-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(15,23,42,0.06);
  margin-bottom: 24px;
}
.about-photo img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

/* ── Services visual banner ─────────────────────── */
.services-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(15,23,42,0.06);
  margin-bottom: 56px;
  position: relative;
}
.services-visual img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}
.services-visual-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 100%);
  color: #fff;
  font-size: 0.9rem;
  font-family: var(--font-body);
}

/* ── Facility photo gallery ─────────────────────── */
.facility-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.facility-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15,23,42,0.05);
}
.facility-photo img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.facility-photo:hover img { transform: scale(1.03); }
.facility-photo span {
  display: block;
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-body);
  border-top: 1px solid var(--border);
  background: var(--bg-section);
}

@media (max-width: 768px) {
  .hero-visual img      { height: 200px; }
  .about-photo img      { height: 200px; }
  .services-visual img  { height: 220px; }
  .facility-photos      { grid-template-columns: 1fr; }
  .facility-photo img   { height: 180px; }
}