/* ============================================================
   AEROLOOM — SCIFI CORPORATE DESIGN SYSTEM
   Formal company structure · video backgrounds · HUD chrome
   One stylesheet for all pages.
   ============================================================ */

/* ---------- design tokens ---------- */
:root {
  --bg: #04070c;
  --bg-2: #070c14;
  --panel: rgba(13, 21, 33, 0.72);
  --panel-solid: #0c1421;
  --line: rgba(110, 150, 190, 0.16);
  --line-hi: rgba(54, 210, 247, 0.45);
  --text: #e8eef6;
  --text-2: #b9c6d8;
  --mut: #7d8ba0;
  --cy: #36d2f7;
  --cy-dim: rgba(54, 210, 247, 0.14);
  --amber: #ffb454;
  --green: #46e8b0;
  --grad: linear-gradient(100deg, #36d2f7, #8aa0ff 55%, #ffb454);
  --font-h: "Space Grotesk", system-ui, sans-serif;
  --font-b: "Inter", system-ui, sans-serif;
  --font-m: "JetBrains Mono", ui-monospace, monospace;
  --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--font-b);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--cy); text-decoration: none; }
::selection { background: var(--cy); color: #05121c; }

/* ---------- typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-h); line-height: 1.2; font-weight: 700; }
.eyebrow {
  font: 600 11px/1 var(--font-m);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cy);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--cy); }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- HUD chrome: corner brackets ---------- */
.hud-corner {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(10px);
}
.hud-corner::before,
.hud-corner::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--line-hi);
  pointer-events: none;
}
.hud-corner::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hud-corner::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ---------- video hero ---------- */
.vhero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.vhero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.vhero .vshade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(4, 7, 12, 0.05), rgba(4, 7, 12, 0.55) 75%),
    linear-gradient(180deg, rgba(4, 7, 12, 0.85) 0%, rgba(4, 7, 12, 0.25) 30%, rgba(4, 7, 12, 0.35) 70%, var(--bg) 0%);
}
.vhero-inner {
  width: min(var(--maxw), 92vw);
  text-align: center;
  padding: 140px 0 120px;
}
.vhero-inner .eyebrow { justify-content: center; }
.vhero-inner .eyebrow::before { display: none; }
.vhero-inner .eyebrow::after { content: ""; width: 26px; height: 1px; background: var(--cy); }
.vhero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  margin: 22px 0 18px;
  letter-spacing: -0.5px;
}
.vhero .lede {
  color: var(--text-2);
  font-size: clamp(1.02rem, 1.6vw, 1.25rem);
  max-width: 46rem;
  margin: 0 auto 34px;
}
.vhero .hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
/* shorter variant for subpages */
.vhero.vhero--sub { min-height: 52vh; }
.vhero.vhero--sub .vhero-inner { padding: 110px 0 90px; }
.vhero.vhero--sub h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }

/* ---------- shared section frame ---------- */
.section { padding: 96px 24px; position: relative; }
.section > .wrap { max-width: var(--maxw); margin: 0 auto; }
.section-head { max-width: 46rem; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }
.section-title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin: 14px 0 16px; }
.section-lede { color: var(--text-2); font-size: 1.08rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 600 14px/1 var(--font-h);
  letter-spacing: 0.5px;
  padding: 14px 26px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s;
}
.btn-primary {
  background: var(--grad);
  color: #05121c;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(54, 210, 247, 0.3); }
.btn-ghost {
  background: rgba(16, 26, 40, 0.55);
  border-color: var(--line-hi);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--cy); background: rgba(20, 34, 52, 0.7); transform: translateY(-2px); }
.btn[disabled] { opacity: 0.55; cursor: default; transform: none; }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 28px;
  border-bottom: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s, backdrop-filter 0.25s;
}
.nav.scrolled {
  background: rgba(5, 9, 15, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-logo {
  width: 34px; height: 34px;
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(54, 210, 247, 0.28);
  object-fit: cover;
}
.brand-name {
  font: 700 17px/1 var(--font-h);
  letter-spacing: 2.5px;
  color: var(--text);
}
.nav-links { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav-links a {
  font: 500 13px/1 var(--font-b);
  color: var(--text-2);
  padding: 9px 12px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); background: rgba(54, 210, 247, 0.07); }
.nav-links a.active { color: var(--cy); }
.nav-cta { padding: 11px 20px; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav-burger span {
  width: 22px; height: 2px;
  background: var(--text);
  transition: 0.2s;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg), #030508);
  padding: 64px 24px 40px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.footer h4 {
  font: 600 11px/1 var(--font-m);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mut);
  margin-bottom: 16px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 9px; }
.footer a { color: var(--text-2); font-size: 14px; transition: color 0.15s; }
.footer a:hover { color: var(--cy); }
.footer-note {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--mut);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- cards & grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-hi);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(54, 210, 247, 0.08);
}
.card h3 { font-size: 1.15rem; margin: 12px 0 10px; }
.card p { color: var(--text-2); font-size: 14.5px; }
.card .tag {
  display: inline-block;
  font: 600 10px/1 var(--font-m);
  letter-spacing: 1.5px;
  color: var(--cy);
  border: 1px solid var(--line-hi);
  padding: 5px 9px;
  border-radius: 3px;
  text-transform: uppercase;
}
.card-ico {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  font-size: 21px;
  background: var(--cy-dim);
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 4px;
}

/* ---------- stat tiles (KPI row) ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat {
  padding: 26px 24px;
  text-align: left;
}
.stat-num {
  display: block;
  font: 700 34px/1 var(--font-h);
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--mut);
  font: 500 11px/1.5 var(--font-m);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---------- spec / feature lists ---------- */
.spec-list { list-style: none; margin-top: 16px; }
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.spec-list li span { color: var(--mut); }
.spec-list li b { color: var(--text); font-family: var(--font-m); font-weight: 500; white-space: nowrap; }

.feature-list { list-style: none; }
.feature-list li {
  padding: 10px 0 10px 26px;
  position: relative;
  color: var(--text-2);
  font-size: 15px;
  border-bottom: 1px dashed var(--line);
}
.feature-list li::before {
  content: "▸";
  position: absolute;
  left: 4px;
  color: var(--cy);
}

/* ---------- data table ---------- */
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th {
  text-align: left;
  font: 600 10px/1 var(--font-m);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mut);
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-hi);
}
.spec-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
}
.spec-table tr:hover td { background: rgba(54, 210, 247, 0.03); }

/* ---------- video panel (technology page) ---------- */
.video-panel { padding: 0; overflow: hidden; }
.video-panel video { width: 100%; height: auto; display: block; }
.video-panel .vp-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  font: 500 11px/1.4 var(--font-m);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--mut);
}
.rec-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #ff5470;
  box-shadow: 0 0 8px #ff5470;
  animation: blink 1.6s infinite;
  margin-right: 7px;
  vertical-align: 1px;
}
@keyframes blink { 50% { opacity: 0.25; } }

/* ---------- kill-chain strip ---------- */
.kc-strip {
  display: flex;
  align-items: stretch;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.kc-step {
  flex: 1 1 150px;
  padding: 16px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: center;
  transition: border-color 0.3s, background 0.3s;
}
.kc-step.active {
  border-color: var(--line-hi);
  background: rgba(16, 32, 46, 0.75);
}
.kc-step b { display: block; font-family: var(--font-h); font-size: 14px; margin: 6px 0 3px; }
.kc-step small { color: var(--mut); font: 500 10.5px/1.3 var(--font-m); letter-spacing: 0.5px; }
.kc-num { font: 700 11px/1 var(--font-m); color: var(--cy); letter-spacing: 1px; }
.kc-step.active .kc-num { color: var(--amber); }
.kc-arrow { align-self: center; color: var(--mut); font-size: 18px; }

/* ---------- timeline ---------- */
.timeline { display: grid; gap: 0; }
.tl {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 22px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--line);
  align-items: baseline;
}
.tl-yr { font: 700 12px/1 var(--font-m); letter-spacing: 2px; color: var(--amber); text-transform: uppercase; }
.tl b { display: block; font-family: var(--font-h); font-size: 16px; margin-bottom: 3px; }
.tl small { color: var(--text-2); font-size: 13.5px; }

/* ---------- fin columns ---------- */
.fin-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.fin-col {
  padding: 24px 18px;
  text-align: center;
}
.fin-col.hl { border-color: var(--line-hi); box-shadow: 0 0 30px rgba(54, 210, 247, 0.08); }
.fin-col .yr { font: 700 10px/1 var(--font-m); letter-spacing: 2px; color: var(--mut); }
.fin-col .rev {
  display: block;
  font: 700 30px/1.1 var(--font-h);
  margin: 12px 0 2px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.fin-col .sub { color: var(--mut); font: 500 10px/1 var(--font-m); letter-spacing: 1.5px; text-transform: uppercase; }
.fin-col .profit { display: block; margin-top: 10px; font: 600 13px/1 var(--font-b); color: var(--green); }

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font: 600 11px/1 var(--font-m);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--mut);
}
.field input, .field select, .field textarea {
  background: rgba(6, 11, 18, 0.85);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 4px;
  font: 400 15px/1.4 var(--font-b);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--cy);
  box-shadow: 0 0 0 3px rgba(54, 210, 247, 0.12);
}
.field.invalid input { border-color: #ff5470; }
.field-wide { grid-column: 1 / -1; }
.field select { appearance: none; }
.field select option { background: var(--panel-solid); color: var(--text); }

/* audience toggle */
.audience-toggle { display: flex; gap: 10px; margin-bottom: 26px; flex-wrap: wrap; }
.at-btn {
  font: 600 13px/1 var(--font-h);
  padding: 12px 20px;
  background: rgba(16, 26, 40, 0.55);
  border: 1px solid var(--line);
  color: var(--text-2);
  border-radius: 4px;
  cursor: pointer;
  transition: 0.18s;
}
.at-btn.active { border-color: var(--cy); color: var(--cy); background: var(--cy-dim); }

/* form conditional fields by audience */
body[data-aud="investor"] .field-aud-operator { display: none; }
body[data-aud="operator"] .field-aud-investor { display: none; }

.form-hint { margin-top: 14px; font-size: 13px; color: var(--mut); }

/* ---------- data room ---------- */
.dataroom { margin-top: 46px; padding: 30px; }
.dr-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.dr-head h3 { font-size: 1.1rem; }
.dr-status {
  font: 500 11px/1 var(--font-m);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--mut);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 3px;
}
.dr-status.unlocked { color: var(--green); border-color: rgba(70, 232, 176, 0.4); }
.dr-locked p { color: var(--text-2); font-size: 14.5px; }
.dr-file {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line-hi);
  border-radius: 6px;
  background: rgba(10, 18, 28, 0.8);
  margin-bottom: 18px;
  transition: background 0.15s, transform 0.15s;
}
.dr-file:hover { background: rgba(16, 28, 42, 0.9); transform: translateY(-2px); }
.dr-file small { color: var(--mut); }
.dr-list { list-style: none; margin: 14px 0; }
.dr-list li { padding: 6px 0; color: var(--text-2); font-size: 14px; }
.dr-note { margin-top: 14px; font-size: 13px; color: var(--green); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translate(-50%, 16px);
  background: var(--panel-solid);
  border: 1px solid var(--line-hi);
  color: var(--text);
  padding: 14px 22px;
  border-radius: 6px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s;
  z-index: 300;
  max-width: min(92vw, 480px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- reveal-on-scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- misc page-specific ---------- */
.page-breadcrumb { font: 500 12px/1 var(--font-m); color: var(--mut); letter-spacing: 1px; margin-bottom: 18px; }
.page-breadcrumb a { color: var(--mut); }
.page-breadcrumb a:hover { color: var(--cy); }

/* hero product quick-nav (home) */
.hero-lines { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 54px; text-align: left; }
.hero-lines--2 { grid-template-columns: repeat(2, 1fr); max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-lines a {
  display: block;
  padding: 18px 16px;
  color: var(--text);
  transition: 0.18s;
}
.hero-lines a:hover { transform: translateY(-3px); border-color: var(--line-hi); }
.hero-lines .hl-tag { font: 600 9.5px/1 var(--font-m); letter-spacing: 1.5px; color: var(--cy); text-transform: uppercase; }
.hero-lines .hl-name { display: block; font: 600 14.5px/1.3 var(--font-h); margin-top: 8px; }
.hero-lines .hl-sub { display: block; color: var(--mut); font-size: 12px; margin-top: 5px; }

/* competitor cards */
.comp-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(10, 17, 26, 0.65);
}
.comp-card .c-name { font: 600 15px/1 var(--font-h); }
.comp-card .c-region { font: 500 10px/1 var(--font-m); letter-spacing: 1px; color: var(--mut); text-transform: uppercase; }
.comp-card .c-tech { color: var(--text-2); font-size: 13px; }
.comp-card.is-us { border-color: var(--line-hi); box-shadow: 0 0 24px rgba(54, 210, 247, 0.12); }
.comp-card.is-us .c-name { color: var(--cy); }

/* gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.g-item { position: relative; overflow: hidden; border: 1px solid var(--line); cursor: zoom-in; }
.g-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.35s, filter 0.35s; filter: saturate(0.85); }
.g-item:hover img { transform: scale(1.05); filter: saturate(1.1); }
.g-item::after {
  content: attr(data-caption);
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 12px 10px;
  font: 500 11px/1.4 var(--font-m);
  letter-spacing: 0.5px;
  color: var(--text);
  background: linear-gradient(transparent, rgba(4, 7, 12, 0.92));
  opacity: 0;
  transition: 0.25s;
}
.g-item:hover::after { opacity: 1; }

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 8, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(1100px, 92vw); max-height: 80vh; border: 1px solid var(--line-hi); }
.lb-cap {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font: 500 12px/1 var(--font-m);
  letter-spacing: 1px;
  color: var(--text-2);
}
.lb-close, .lb-nav {
  position: absolute;
  background: rgba(12, 20, 33, 0.85);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  padding: 10px 16px;
  font-size: 18px;
  transition: 0.15s;
}
.lb-close:hover, .lb-nav:hover { border-color: var(--cy); color: var(--cy); }
.lb-close { top: 22px; right: 22px; }
.lb-prev { left: 22px; }
.lb-next { right: 22px; }

/* terminal */
.terminal {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #050a10;
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 21, 33, 0.8);
}
.term-dots { display: flex; gap: 6px; }
.term-dots i { width: 10px; height: 10px; border-radius: 50%; }
.term-dots i:nth-child(1) { background: #ff5f57; }
.term-dots i:nth-child(2) { background: #febc2e; }
.term-dots i:nth-child(3) { background: #28c840; }
.term-title { font: 500 11px/1 var(--font-m); color: var(--mut); letter-spacing: 1px; }
.term-body { padding: 18px; font: 13px/1.8 var(--font-m); min-height: 240px; }
.term-line { color: var(--text-2); }
.t-prompt { color: var(--cy); }
.term-dim { color: var(--mut); }
.term-ok { color: var(--green); }
.term-cursor .caret {
  display: inline-block;
  width: 8px; height: 15px;
  background: var(--cy);
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
.term-run { margin-top: 14px; }

/* tabs */
.tab-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.tab, .pt-btn {
  font: 600 13px/1 var(--font-h);
  padding: 12px 18px;
  background: rgba(16, 26, 40, 0.55);
  border: 1px solid var(--line);
  color: var(--text-2);
  border-radius: 4px;
  cursor: pointer;
  transition: 0.18s;
}
.tab:hover, .pt-btn:hover { color: var(--text); border-color: var(--line-hi); }
.tab.active, .pt-btn.active { border-color: var(--cy); color: var(--cy); background: var(--cy-dim); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* CTA band */
.cta-band { text-align: center; padding: 30px; display: flex; align-items: center; justify-content: center; gap: 26px; flex-wrap: wrap; }
.cta-band p { color: var(--text-2); font-size: 17px; font-family: var(--font-h); }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; margin-left: auto; }
  .nav-cta { display: none; }
  .nav.open {
    position: fixed;
    inset: 0;
    background: rgba(5, 9, 15, 0.97);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 28px 28px;
    gap: 8px;
  }
  .nav.open .nav-links { display: flex; flex-direction: column; gap: 2px; width: 100%; }
  .nav.open .nav-links a { font-size: 20px; padding: 13px 8px; }
  .nav.open .nav-cta { display: inline-flex; margin-top: 18px; }
  .nav.open .nav-burger { position: absolute; top: 18px; right: 24px; }
  .nav.open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-burger span:nth-child(2) { opacity: 0; }
  .nav.open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .grid-4, .stat-grid, .fin-grid, .hero-lines { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .section { padding: 64px 18px; }
  .grid-2, .grid-3, .grid-4, .stat-grid, .fin-grid, .form-grid, .hero-lines, .footer-inner { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .tl { grid-template-columns: 1fr; gap: 6px; }
  .kc-strip { flex-direction: column; }
  .kc-arrow { transform: rotate(90deg); text-align: center; }
  .vhero-inner { padding: 110px 0 80px; }
}

/* ---------- motion & a11y ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .vhero video { display: none; }
}
.vhero video { pointer-events: none; }