/* ================================================
   Ubden® Page Sections
   ================================================ */

/* ================= HOME: Hero ================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(72px + var(--space-4)) 0 calc(var(--space-5) + 3rem);
  overflow: hidden;
}
.hero-background { position: absolute; inset: 0; z-index: -1; }
.hero-background canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-fallback {
  position: absolute; inset: 0;
  background-image: url('../images/svg/hero-fallback.svg');
  background-size: cover;
  background-position: center;
  opacity: 0.55;
  transition: opacity 1.2s ease;
}
.hero.webgl-ready .hero-fallback { opacity: 0; }
.gradient-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 20% 25%, var(--hero-glow-1), transparent 65%),
    radial-gradient(800px 500px at 80% 20%, var(--hero-glow-2), transparent 65%),
    radial-gradient(700px 500px at 55% 90%, var(--hero-glow-3), transparent 65%);
}

.hero-content {
  max-width: 1100px;
  margin-inline: auto;
  position: relative;
  text-align: center;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
  perspective: 900px;
}
.hero-title .char { display: inline-block; will-change: transform, opacity; }
.dynamic-word {
  display: inline-block;
  min-width: 0;
  text-align: center;
  white-space: nowrap;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transform-origin: 50% 100%;
}
.dynamic-word.word-in { animation: wordIn 0.6s var(--ease-out); }
.hero-subtitle {
  font-size: var(--fs-lead);
  color: var(--text-muted);
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
}
.hero-cta { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; }

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-faint);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero-scroll-hint svg { animation: scrollHintBounce 2s ease-in-out infinite; }

/* Sub-brands strip — full-bleed marquee band */
.sub-brands {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}
.sub-brands .fx-marquee { width: 100%; }
.sub-brands-track {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  flex-wrap: wrap;
}
.sub-brands .fx-marquee-track { perspective: 900px; }
.sub-brand-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  transform-style: preserve-3d;
  animation: cardSwing 7s ease-in-out infinite;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
[data-theme="light"] .sub-brand-item { box-shadow: 0 8px 20px rgba(23, 33, 74, 0.08); }
.sub-brand-item:nth-child(6n+1) { animation-delay: 0s; }
.sub-brand-item:nth-child(6n+2) { animation-delay: -1.2s; }
.sub-brand-item:nth-child(6n+3) { animation-delay: -2.4s; }
.sub-brand-item:nth-child(6n+4) { animation-delay: -3.6s; }
.sub-brand-item:nth-child(6n+5) { animation-delay: -4.8s; }
.sub-brand-item:nth-child(6n+6) { animation-delay: -6s; }
.sub-brand-item:hover {
  animation-play-state: paused;
  border-color: var(--accent);
  box-shadow: var(--shadow-glow-cyan);
  background: var(--glass-bg);
}
.sub-brand-item img {
  height: 34px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.92;
  transition: filter var(--transition), opacity var(--transition);
}
[data-theme="light"] .sub-brand-item img { filter: brightness(0); opacity: 0.8; }
.sub-brand-item:hover img { filter: none; opacity: 1; }

/* ================= HOME: ITSE ================= */
.itse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}
.itse-card {
  position: relative;
  padding: var(--space-4) var(--space-3);
  text-align: center;
  overflow: hidden;
}
.itse-card:hover { transform: translateY(-6px) rotateX(4deg); }
.itse-letter {
  font-family: var(--font-heading);
  font-size: 4.4rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-2);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.itse-card[data-color="cyan"]   .itse-letter { background: linear-gradient(160deg, #00D4FF, #0284c7); -webkit-background-clip: text; background-clip: text; }
.itse-card[data-color="purple"] .itse-letter { background: linear-gradient(160deg, #a78bfa, #7C3AED); -webkit-background-clip: text; background-clip: text; }
.itse-card[data-color="green"]  .itse-letter { background: linear-gradient(160deg, #34d399, #10B981); -webkit-background-clip: text; background-clip: text; }
.itse-card[data-color="orange"] .itse-letter { background: linear-gradient(160deg, #fbbf24, #F59E0B); -webkit-background-clip: text; background-clip: text; }
.itse-card h3 { font-size: 1.05rem; color: var(--text-muted); font-weight: 500; }
.itse-figure { max-width: 560px; margin: 0 auto var(--space-5); }

/* ================= HOME: CTA ================= */
.contact-cta {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(700px 400px at 50% 120%, var(--hero-glow-2), transparent 70%),
    var(--bg-alt);
}
.cta-content { text-align: center; max-width: 800px; margin-inline: auto; }
.cta-title { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h2); margin-bottom: var(--space-2); }
.cta-description { color: var(--text-muted); font-size: var(--fs-lead); margin-bottom: var(--space-4); }
.cta-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.cta-stat-item { display: flex; align-items: center; gap: 0.9rem; text-align: left; }
.cta-stat-icon {
  display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--accent);
}
.cta-stat-item strong { display: block; font-family: var(--font-heading); font-size: 0.95rem; }
.cta-stat-item p { color: var(--text-muted); font-size: var(--fs-sm); }
.cta-buttons { display: flex; justify-content: center; gap: var(--space-2); flex-wrap: wrap; }

/* Floating decorations */
.section-bg-decoration { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.floating-shape { position: absolute; opacity: 0.6; }
.floating-shape.shape-1 { top: 12%; left: 6%; }
.floating-shape.shape-2 { bottom: 18%; right: 8%; }
.floating-shape.shape-3 { top: 42%; right: 20%; }

/* ================= INNER PAGES ================= */

/* Service detail */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}
.service-detail-figure { max-width: 420px; margin-inline: auto; }
.feature-list { display: grid; gap: var(--space-2); }
.feature-list li {
  display: flex;
  gap: 0.9rem;
  padding: var(--space-2) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.feature-list li strong { display: block; }
.feature-list li span { color: var(--text-muted); font-size: var(--fs-sm); }

/* Process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-3);
  counter-reset: step;
}
.process-card { position: relative; padding: var(--space-4) var(--space-3); }
.process-card:hover { transform: translateY(-6px); }
.process-number {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-1);
}
.process-icon { margin-bottom: var(--space-2); }
.process-icon svg, .process-icon img { width: 52px; height: 52px; }
.process-card h3 { font-size: 1.1rem; margin-bottom: var(--space-1); }
.process-card p { color: var(--text-muted); font-size: var(--fs-sm); }

/* Mission / vision */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.mv-card { padding: var(--space-4); }
.mv-card h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.mv-card h3 span { margin-right: 0.5rem; }
.mv-card p { color: var(--text-muted); }

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}
.value-card { padding: var(--space-3); text-align: center; }
.value-card:hover { transform: translateY(-5px); }
.value-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  margin-bottom: var(--space-2);
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--accent);
}
.value-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.value-card p { color: var(--text-muted); font-size: var(--fs-sm); }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-5);
  align-items: start;
}
.contact-methods { display: grid; gap: var(--space-2); }
.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: var(--space-3);
}
.contact-method:hover { transform: translateX(6px); border-color: var(--accent); }
.contact-method-icon {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--accent);
}
.contact-method strong { display: block; font-family: var(--font-heading); font-size: 0.95rem; }
.contact-method a, .contact-method p { color: var(--text-muted); font-size: var(--fs-sm); }
.contact-method a:hover { color: var(--accent); }
.contact-form-card { padding: clamp(1.5rem, 4vw, 2.5rem); }
.form-status { margin-top: var(--space-2); padding: 0.8rem 1.1rem; border-radius: var(--radius-sm); font-size: var(--fs-sm); display: none; }
.form-status.success { display: block; background: rgba(16,185,129,0.12); color: var(--brand-green); border: 1px solid rgba(16,185,129,0.35); }
.form-status.error { display: block; background: rgba(245,158,11,0.12); color: var(--brand-orange); border: 1px solid rgba(245,158,11,0.35); }

/* Legal pages */
.legal-content { max-width: 820px; margin-inline: auto; }
.legal-content h2 { font-size: 1.4rem; margin: var(--space-4) 0 var(--space-2); }
.legal-content h3 { font-size: 1.1rem; margin: var(--space-3) 0 var(--space-1); }
.legal-content p, .legal-content li { color: var(--text-muted); margin-bottom: var(--space-2); }
.legal-content ul { padding-left: 1.4rem; }
.legal-content ul li { list-style: disc; margin-bottom: 0.5rem; }
.legal-updated { font-size: var(--fs-sm); color: var(--text-faint); margin-bottom: var(--space-4); }

/* Error pages */
.error-page {
  min-height: 100svh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: calc(72px + var(--space-4)) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}
.error-figure { max-width: 380px; margin: 0 auto var(--space-4); }
.error-code {
  position: relative;
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-full);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-2);
}
.error-page h1 { font-size: var(--fs-h2); margin-bottom: var(--space-2); }
.error-page p { color: var(--text-muted); max-width: 480px; margin: 0 auto var(--space-4); }

/* Glitch layers on the big error code */
.error-code::before,
.error-code::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: none;
  pointer-events: none;
}
.error-code::before {
  -webkit-text-fill-color: var(--brand-cyan);
  opacity: 0.7;
  animation: glitchShift 2.8s steps(2, jump-none) infinite;
}
.error-code::after {
  -webkit-text-fill-color: var(--brand-purple);
  opacity: 0.7;
  animation: glitchShift 2.8s steps(2, jump-none) infinite reverse;
  animation-delay: -1.4s;
}

/* ---------- Page-hero 3D ornaments (per-page story) ---------- */
.hero-ornament {
  position: absolute;
  top: 50%;
  right: 5%;
  width: 240px;
  height: 240px;
  transform: translateY(-50%);
  transform-style: preserve-3d;
  perspective: 800px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
  --orn-color: rgba(0, 212, 255, 0.45);
}
.orn-rings span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--orn-color);
  animation: ornamentSpin 14s linear infinite;
}
.orn-rings span:nth-child(2) { inset: 15%; border-color: rgba(124, 58, 237, 0.4); animation-duration: 10s; animation-direction: reverse; }
.orn-rings span:nth-child(3) { inset: 30%; border-color: rgba(16, 185, 129, 0.35); animation-duration: 18s; }
.orn-cube span {
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(0, 212, 255, 0.5);
  border-radius: 12px;
  animation: ornTumble 16s linear infinite;
}
.orn-cube span:nth-child(2) { border-color: rgba(124, 58, 237, 0.45); animation-duration: 22s; animation-direction: reverse; }
.orn-cube span:nth-child(3) { border-color: rgba(245, 158, 11, 0.35); animation-duration: 28s; }
.orn-radar .radar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.35);
}
.orn-radar .radar-ring:nth-child(2) { inset: 25%; border-color: rgba(124, 58, 237, 0.35); }
.orn-radar .radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(0, 212, 255, 0.32), transparent 80deg, transparent);
  animation: radarSweep 4.5s linear infinite;
}
[data-theme="light"] .hero-ornament { opacity: 0.55; }
@media (max-width: 900px) {
  .hero-ornament { width: 130px; height: 130px; top: 26%; right: 3%; opacity: 0.4; }
}

/* Hero badges (about) */
.hero-badges { display: flex; gap: 0.7rem; flex-wrap: wrap; justify-content: center; margin-top: var(--space-3); }
.hero-badge, .chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-family: var(--font-heading);
}
.hero-badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--gradient-brand); }

/* Chip cloud (end-to-end badges) */
.chip-cloud { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; margin-top: var(--space-3); }
.chip:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); transition: all var(--transition); }

/* Alternating service blocks (services overview) */
.service-block { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: center; }
.service-block + .service-block { margin-top: var(--space-6); }
.service-block.reverse .service-block-figure { order: 2; }
.service-block-figure { max-width: 420px; margin-inline: auto; }
.service-block h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.service-block .lead { color: var(--text-muted); margin-bottom: var(--space-3); }

/* Timeline (about) */
.timeline { position: relative; max-width: 760px; margin-inline: auto; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-cyan), var(--brand-purple), var(--brand-green), var(--brand-orange));
  opacity: 0.5;
}
.timeline-item { position: relative; padding-bottom: var(--space-4); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-2rem + 2px); top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
}
.timeline-year {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.timeline-item h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.timeline-item p { color: var(--text-muted); font-size: var(--fs-sm); max-width: 620px; }

/* Reference cards (about) */
.refs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: var(--space-3); }
.ref-card { padding: var(--space-3); display: flex; flex-direction: column; gap: 0.6rem; }
.ref-card:hover { transform: translateY(-5px); }
.ref-card h3 { font-size: 1.05rem; }
.ref-project { color: var(--accent); font-size: var(--fs-sm); font-weight: 600; }
.ref-card p { color: var(--text-muted); font-size: var(--fs-sm); flex-grow: 1; }
.ref-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.ref-tag {
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}
.ref-badge {
  align-self: flex-start;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.35);
  color: var(--brand-cyan);
  font-size: 0.72rem;
  font-weight: 600;
}

/* Offering cards (service detail) */
.offerings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.offering-card { padding: var(--space-3); }
.offering-card:hover { transform: translateY(-5px); }
.offering-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.offering-card > p { color: var(--text-muted); font-size: var(--fs-sm); margin-bottom: var(--space-2); }
.offering-card ul { display: grid; gap: 0.45rem; }
.offering-card ul li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}
.offering-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.42em;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--gradient-brand);
}

/* Case cards (service detail) */
.cases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-3); }
.case-card { padding: var(--space-3); text-align: center; }
.case-card:hover { transform: translateY(-5px); }
.case-stat {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}
.case-stat-label { color: var(--accent); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--space-2); }
.case-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.case-card p { color: var(--text-muted); font-size: var(--fs-sm); }

/* Office hours line */
.office-hours { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--text-faint); }
.office-hours strong { color: var(--text-muted); display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.2rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .service-detail-grid, .contact-grid, .mv-grid, .service-block, .offerings-grid { grid-template-columns: 1fr; }
  .service-detail-figure { order: -1; max-width: 300px; }
  .service-block-figure, .service-block.reverse .service-block-figure { order: -1; max-width: 300px; }
  .cta-stats { gap: var(--space-3); }
  .hero { min-height: 92svh; }
}

/* ================= REGIONAL SEO PAGE ================= */
.regional-intro { max-width: 860px; margin-inline: auto; }
.regional-intro p { color: var(--text-muted); margin-bottom: var(--space-2); line-height: 1.75; }

.coverage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.coverage-card { padding: var(--space-4) var(--space-3); }
.coverage-card h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.city-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; padding: 0; margin: 0; }
.city-chips li {
  padding: 0.45rem 1rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.city-chips li:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }

.why-card { padding: var(--space-4) var(--space-3); }
.why-card h3 { font-size: 1.1rem; margin-bottom: var(--space-1); }
.why-card p { color: var(--text-muted); font-size: var(--fs-sm); }

.faq-list { max-width: 860px; margin-inline: auto; display: grid; gap: var(--space-2); }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary {
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 3rem;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item[open] summary { color: var(--accent); }
.faq-item p { padding: 0 var(--space-3) var(--space-3); color: var(--text-muted); line-height: 1.7; }

@media (max-width: 900px) {
  .coverage-grid { grid-template-columns: 1fr; }
}