/* ============================================================
   TETRA CON — Core Stylesheet
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; border: none; background: none; }
button { cursor: pointer; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { color: var(--text-secondary); }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

section { position: relative; }

.section-pad { padding-block: var(--space-16); }
.section-pad-sm { padding-block: var(--space-10); }

.section-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.section-dark p { color: var(--text-on-dark-dim); }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--text-on-dark); }

.section-alt { background: var(--bg-alt); }

/* ---------- Eyebrow / Kicker ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--teal-500);
  margin-bottom: var(--space-4);
}
.section-dark .eyebrow { color: var(--cyan-300); }
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

/* ---------- Section header ---------- */
.section-head {
  max-width: 640px;
  margin-bottom: var(--space-10);
}
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: var(--space-4); font-size: var(--fs-lead); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: 0.01em;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--grad-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
  background-size: 160% 160%;
  background-position: 0% 50%;
}
.btn-primary:hover { background-position: 100% 50%; box-shadow: var(--shadow-glow); }
.btn-outline {
  border: 1.5px solid var(--border-light);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--cyan-500); color: var(--teal-600); }
.section-dark .btn-outline { border-color: var(--border-dark); color: var(--text-on-dark); }
.section-dark .btn-outline:hover { border-color: var(--cyan-400); color: var(--cyan-300); }
.btn-ghost {
  color: var(--text-primary);
  padding-inline: 0.4rem;
  border-radius: 0;
  gap: var(--space-3);
}
.btn-ghost .arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn-ghost:hover .arrow { transform: translateX(5px); }
.section-dark .btn-ghost { color: var(--text-on-dark); }
.btn-sm { padding: 0.7rem 1.3rem; font-size: var(--fs-micro); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: var(--space-5) 0;
  background: rgba(5, 11, 20, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
}
.brand-mark img { max-width: 100%; max-height: 100%; width: auto; height: auto; }
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  color: var(--cyan-300);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links a {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-on-dark-dim);
  padding-block: 6px;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--grad-line);
  transition: width var(--dur-mid) var(--ease-out);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: var(--space-5); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 18px; height: 2px;
  background: var(--white);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--navy-950);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8) var(--container-pad);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--dur-mid) var(--ease-in-out), opacity var(--dur-mid) var(--ease-in-out);
  pointer-events: none;
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu a {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--border-dark);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  min-height: 92svh;
  display: flex;
  align-items: center;
  background: var(--bg-page);
  color: var(--text-primary);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    var(--grad-mesh),
    linear-gradient(100deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.86) 42%, rgba(245,247,250,0.72) 100%);
  z-index: -3;
  transform: translateZ(0);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(20,33,61,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,33,61,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 20%, transparent 80%);
  z-index: -2;
  transform: translateZ(0);
}
.hero-particles { position: absolute; inset: 0; z-index: -1; pointer-events: none; transform: translateZ(0); }
.hero-shape {
  position: absolute;
  border: 1px solid rgba(0, 174, 239, 0.28);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; padding-top: var(--space-12); padding-bottom: var(--space-10); }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--cyan-300);
  border: 1px solid rgba(0, 174, 239,0.3);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(0, 174, 239,0.06);
  margin-bottom: var(--space-6);
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(0, 174, 239,0.2);
}

.hero h1 {
  font-size: var(--fs-hero);
  color: var(--text-primary);
  max-width: 16ch;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line span { display: inline-block; }
.hero h1 .accent {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: var(--space-5);
  font-size: var(--fs-lead);
  color: var(--text-primary);
  max-width: 46ch;
  line-height: var(--lh-normal);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.hero-actions .btn { line-height: 1.2; }

.hero-watch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-primary);
  font-size: var(--fs-small);
  font-weight: 600;
  line-height: 1.2;
}
.hero-watch .play-ring {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid rgba(20,33,61,0.16);
  background: rgba(20,33,61,0.03);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  display: grid; place-items: center;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.hero-watch:hover .play-ring,
.hero-watch:focus-visible .play-ring {
  background: rgba(0, 174, 239, 0.18);
  transform: scale(1.06);
  box-shadow: 0 0 0 6px rgba(0, 174, 239, 0.12), 0 8px 18px rgba(0,0,0,0.25);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-on-dark-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.hero-scroll .line-track {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.15);
  position: relative;
  overflow: hidden;
}
.hero-scroll .line-track::after {
  content: "";
  position: absolute;
  top: -40px; left: 0;
  width: 100%; height: 40%;
  background: var(--grad-line);
  animation: scrollDrop 2.2s var(--ease-in-out) infinite;
}
@keyframes scrollDrop { to { top: 100%; } }

/* ---------- Stat strip ---------- */
.stat-strip {
  background: var(--navy-900);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.stat-item {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  border-left: 1px solid var(--border-dark);
}
.stat-item:first-child { border-left: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.stat-num .suffix { color: var(--cyan-400); font-size: 0.6em; }
.stat-label {
  margin-top: var(--space-2);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-on-dark-dim);
}

/* ---------- About split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.split-media { position: relative; }
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--grad-primary);
}
.media-frame svg { width: 100%; height: 100%; }
.media-badge {
  position: absolute;
  bottom: -1px; right: -1px;
  background: var(--white);
  border-radius: var(--radius-md) 0 var(--radius-lg) 0;
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-lg);
  max-width: 220px;
}
.media-badge .num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--teal-600); }
.media-badge .lbl { font-size: var(--fs-micro); color: var(--text-secondary); margin-top: 2px; }

.value-list { margin-top: var(--space-8); display: grid; gap: var(--space-5); }
.value-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.value-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  display: grid; place-items: center;
  color: var(--teal-600);
}
.value-item h4 { margin-bottom: 4px; }
.value-item p { font-size: var(--fs-small); }

/* ---------- Timeline ---------- */
.timeline { position: relative; margin-top: var(--space-10); }
.timeline::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 20px;
  width: 1px;
  background: var(--border-light);
}
.timeline-item {
  position: relative;
  padding-left: var(--space-10);
  padding-bottom: var(--space-8);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: 15px; top: 4px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--cyan-500);
}
.timeline-year { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--teal-600); font-weight: 600; }
.timeline-item h4 { margin-top: 4px; }
.timeline-item p { margin-top: 4px; font-size: var(--fs-small); }

/* ---------- Cards: Services ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), border-color var(--dur-mid) var(--ease-out);
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
  z-index: 0;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }
.service-card .num {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--gray-500);
  transition: color var(--dur-mid) var(--ease-out);
}
.service-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  display: grid; place-items: center;
  color: var(--teal-600);
  margin-block: var(--space-5);
  transition: background var(--dur-mid) var(--ease-out), color var(--dur-mid) var(--ease-out);
}
.service-card h3 { font-size: 1.25rem; transition: color var(--dur-mid) var(--ease-out); }
.service-card p { font-size: var(--fs-small); margin-top: var(--space-3); transition: color var(--dur-mid) var(--ease-out); }
.service-card .card-link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: var(--fs-small); font-weight: 600;
  color: var(--teal-600);
  transition: color var(--dur-mid) var(--ease-out), gap var(--dur-fast) var(--ease-out);
}
.service-card:hover .num,
.service-card:hover h3,
.service-card:hover p,
.service-card:hover .card-link { color: var(--white); }
.service-card:hover .service-icon { background: rgba(255,255,255,0.12); color: var(--cyan-300); }
.service-card:hover .card-link { gap: var(--space-3); }

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.product-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out);
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product-thumb {
  aspect-ratio: 1/1;
  background: var(--bg-alt);
  display: grid;
  place-items: center;
  color: var(--teal-600);
  position: relative;
  overflow: hidden;
}
.product-thumb svg { width: 46%; height: 46%; transition: transform var(--dur-mid) var(--ease-out); }
.product-card:hover .product-thumb svg { transform: scale(1.1) rotate(-3deg); }
.product-cat {
  position: absolute; top: 10px; left: 10px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  background: var(--white);
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  color: var(--teal-600);
}
.product-body { padding: var(--space-5); }
.product-body h4 { font-size: 0.98rem; }
.product-body p { font-size: var(--fs-micro); margin-top: 4px; }

/* ---------- Industries ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}
.industry-card {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--navy-900);
  display: flex;
  align-items: flex-end;
  padding: var(--space-5);
  isolation: isolate;
}
.industry-card::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-mesh), var(--navy-900);
  transition: transform var(--dur-slow) var(--ease-out);
  z-index: -1;
}
.industry-card:hover::before { transform: scale(1.12); }
.industry-card svg { position: absolute; top: var(--space-5); left: var(--space-5); width: 30px; height: 30px; color: var(--cyan-300); opacity: 0.85; }
.industry-card h4 { color: var(--white); font-size: 1rem; }

/* ---------- Process ---------- */
.process-list { display: grid; gap: 0; margin-top: var(--space-10); }
.process-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-top: 1px solid var(--border-dark);
}
.process-row:last-child { border-bottom: 1px solid var(--border-dark); }
.process-idx { font-family: var(--font-mono); color: var(--cyan-300); font-size: var(--fs-small); }
.process-row h4 { font-size: 1.15rem; }
.process-row p { font-size: var(--fs-small); margin-top: 4px; max-width: 46ch; }
.process-arrow { color: var(--text-on-dark-dim); }

/* ---------- Projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--navy-800);
  isolation: isolate;
}
.project-card::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-mesh), linear-gradient(160deg, var(--navy-700), var(--navy-950));
  z-index: -1;
  transition: transform var(--dur-slow) var(--ease-out);
}
.project-card:hover::before { transform: scale(1.1); }
.project-info {
  position: absolute; inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  color: var(--white);
  background: linear-gradient(0deg, rgba(5,11,20,0.85) 0%, transparent 55%);
}
.project-tag {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  color: var(--cyan-300); letter-spacing: var(--ls-wide); text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.project-info h3 { color: var(--white); }
.project-meta { display: flex; gap: var(--space-4); margin-top: var(--space-3); font-size: var(--fs-micro); color: var(--text-on-dark-dim); }

/* ---------- Brand marquee ---------- */
.marquee { overflow: hidden; position: relative; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg-page), transparent); }
.marquee::after { right: 0; background: linear-gradient(270deg, var(--bg-page), transparent); }
.marquee-track {
  display: flex;
  gap: var(--space-12);
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--gray-300);
  white-space: nowrap;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Testimonials ---------- */
.testimonial-slider { position: relative; max-width: 780px; margin-inline: auto; text-align: center; }
.testimonial-slide { display: none; }
.testimonial-slide.is-active { display: block; animation: fadeUp var(--dur-slow) var(--ease-out); }
.quote-mark { color: var(--cyan-400); width: 40px; height: 40px; margin-inline: auto var(--space-5); }
.testimonial-slide p { font-size: var(--fs-lead); color: var(--text-on-dark); font-family: var(--font-display); font-weight: 400; line-height: var(--lh-snug); }
.testimonial-author { margin-top: var(--space-6); font-size: var(--fs-small); font-weight: 600; color: var(--white); }
.testimonial-role { font-size: var(--fs-micro); color: var(--text-on-dark-dim); }
.slider-dots { display: flex; justify-content: center; gap: var(--space-2); margin-top: var(--space-8); }
.slider-dots button { width: 8px; height: 8px; border-radius: 50%; background: var(--border-dark); transition: background var(--dur-fast), width var(--dur-fast); }
.slider-dots button.is-active { background: var(--cyan-400); width: 26px; border-radius: var(--radius-pill); }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.news-card { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-light); background: var(--white); }
.news-thumb { aspect-ratio: 16/10; background: var(--grad-primary); }
.news-body { padding: var(--space-6); }
.news-date { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--gray-500); text-transform: uppercase; letter-spacing: var(--ls-wide); }
.news-body h4 { margin-top: var(--space-3); font-size: 1.05rem; }
.news-body p { margin-top: var(--space-2); font-size: var(--fs-small); }

/* ---------- FAQ Accordion ---------- */
.accordion { max-width: 820px; margin-inline: auto; }
.acc-item { border-bottom: 1px solid var(--border-light); }
.acc-trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}
.acc-trigger .plus { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.acc-trigger .plus::before, .acc-trigger .plus::after {
  content: ""; position: absolute; background: var(--teal-600); transition: transform var(--dur-mid) var(--ease-out);
}
.acc-trigger .plus::before { top: 50%; left: 0; width: 100%; height: 2px; margin-top: -1px; }
.acc-trigger .plus::after { left: 50%; top: 0; height: 100%; width: 2px; margin-left: -1px; }
.acc-item.is-open .acc-trigger .plus::after { transform: rotate(90deg); opacity: 0; }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height var(--dur-mid) var(--ease-out); }
.acc-panel-inner { padding-bottom: var(--space-6); font-size: var(--fs-small); max-width: 68ch; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); }
.field { margin-bottom: var(--space-5); }
.field label { display: block; font-size: var(--fs-micro); font-weight: 600; letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--text-secondary); margin-bottom: var(--space-2); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  background: var(--white);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--cyan-500);
  box-shadow: 0 0 0 4px rgba(0, 174, 239,0.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.form-note { font-size: var(--fs-micro); color: var(--gray-500); margin-top: var(--space-3); }
.form-status { font-size: var(--fs-small); margin-top: var(--space-4); display: none; }
.form-status.is-visible { display: block; }
.form-status.success { color: var(--teal-600); }
.form-status.error { color: #c0392b; }

.info-card { display: flex; gap: var(--space-4); padding-block: var(--space-5); border-top: 1px solid var(--border-light); }
.info-card:first-child { border-top: none; }
.info-card .value-icon { background: var(--bg-alt); }
.info-card h4 { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--text-secondary); font-weight: 600; }
.info-card p { color: var(--text-primary); margin-top: 4px; font-size: 0.98rem; }

.map-frame { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16/8; border: 1px solid var(--border-light); }

/* ---------- Footer ---------- */
.footer { background: var(--navy-950); color: var(--text-on-dark-dim); padding-top: var(--space-16); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand p { margin-top: var(--space-5); font-size: var(--fs-small); max-width: 32ch; }
.footer-brand p,
.footer-bottom p { color: var(--text-on-dark-dim); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-6); }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border-dark);
  display: grid; place-items: center;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.footer-social a:hover { border-color: var(--cyan-400); background: rgba(0, 174, 239,0.1); }
.footer-col h4 { color: var(--white); font-size: var(--fs-small); text-transform: uppercase; letter-spacing: var(--ls-wide); margin-bottom: var(--space-5); }
.footer-col ul { display: grid; gap: var(--space-3); }
.footer-col a { font-size: var(--fs-small); transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--cyan-300); }
.newsletter-form { display: flex; margin-top: var(--space-4); border: 1px solid var(--border-dark); border-radius: var(--radius-pill); overflow: hidden; padding: 4px; }
.newsletter-form input { flex: 1; padding: 0.6rem 1rem; background: transparent; color: var(--white); font-size: var(--fs-small); }
.newsletter-form button { background: var(--grad-primary); color: var(--white); padding: 0.6rem 1.2rem; border-radius: var(--radius-pill); font-size: var(--fs-small); font-weight: 600; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-block: var(--space-6); font-size: var(--fs-micro); }
.footer-bottom-links { display: flex; gap: var(--space-6); }

/* ---------- Breadcrumb / Page header (interior pages) ---------- */
.page-header {
  background: var(--navy-950);
  color: var(--white);
  padding-top: calc(var(--space-16) + 3rem);
  padding-bottom: var(--space-12);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-header::before { content: ""; position: absolute; inset: 0; background: var(--grad-mesh); z-index: -1; }
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-micro); color: var(--text-on-dark-dim); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: var(--ls-wide); margin-bottom: var(--space-5); }
.breadcrumb a:hover { color: var(--cyan-300); }
.page-header h1 { color: var(--white); max-width: 20ch; }
.page-header p { margin-top: var(--space-4); max-width: 56ch; font-size: var(--fs-lead); }
.page-header p { color: rgba(255,255,255,0.82); }

/* ---------- 404 ---------- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--navy-950);
  color: var(--white);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.error-page::before { content: ""; position: absolute; inset: 0; background: var(--grad-mesh); z-index: -1; }
.error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(180deg, var(--white), var(--navy-600));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  padding: var(--space-12) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
}
.cta-banner h2 { color: var(--white); max-width: 18ch; }
.cta-banner .btn-outline { border-color: rgba(255,255,255,0.5); color: var(--white); }
.cta-banner .btn-outline:hover { background: rgba(255,255,255,0.14); border-color: var(--white); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  bottom: var(--space-6); right: var(--space-6);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  display: grid; place-items: center;
  z-index: var(--z-nav);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur-fast), transform var(--dur-fast), visibility var(--dur-fast);
  box-shadow: var(--shadow-md);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- Reveal-on-scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal="fade"] { transform: none; }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="scale"].is-visible { transform: scale(1); }

/* stagger via inline custom property */
[data-reveal] { transition-delay: calc(var(--stagger, 0) * 90ms); }