:root {
  --bg: #050808;
  --bg-card: #0a1210;
  --gold: #d4af37;
  --gold-light: #ffd700;
  --gold-dark: #8b6914;
  --text: #f0f0f0;
  --text-muted: #9aa89e;
  --border: #1e3d2a;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(5, 8, 8, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.nav-right {
  display: flex; align-items: center; gap: 1rem;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
}

.lang-btn {
  padding: 0.35rem 0.65rem;
  background: transparent; border: none;
  color: var(--text-muted); font-family: var(--mono);
  font-size: 0.75rem; font-weight: 700; cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:hover { color: var(--gold-light); }

.lang-btn.active {
  background: var(--gold-dark);
  color: #000;
}

.brand {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--text);
  font-weight: 900; font-size: 1.25rem;
}

.brand-logo-wrap {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo-wrap {
  position: relative;
  aspect-ratio: 1;
  perspective: 900px;
}

.logo-bg {
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  z-index: 1;
}

.logo-hex {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  animation: arl-logo-spin 8s linear infinite;
  transform-origin: center center;
  transform-style: preserve-3d;
  backface-visibility: visible;
}

.hero-logo-wrap {
  width: 100%;
  max-width: 380px;
}

.hero-logo-wrap::after {
  content: '';
  position: absolute;
  inset: 8%;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.2), transparent 68%);
}

@keyframes arl-logo-spin {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .logo-hex { animation: none; }
}

.nav-links {
  display: flex; align-items: center; gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--gold-light); }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: #000; font-weight: 700; font-size: 0.9rem;
  border: none; border-radius: 6px; cursor: pointer;
  text-decoration: none; transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3); }

.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border: 2px solid var(--gold);
}

.btn-outline:hover { background: rgba(212, 175, 55, 0.1); color: var(--gold-light); }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }

/* Hero */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 64px; overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(212, 175, 55, 0.08), transparent),
    repeating-linear-gradient(0deg, transparent, transparent 9px, rgba(30, 61, 42, 0.15) 9px, rgba(30, 61, 42, 0.15) 10px),
    repeating-linear-gradient(90deg, transparent, transparent 9px, rgba(30, 61, 42, 0.15) 9px, rgba(30, 61, 42, 0.15) 10px);
}

.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  align-items: center; padding: 4rem 1.5rem;
}

.eyebrow {
  font-family: var(--mono); font-size: 0.8rem;
  color: var(--gold); letter-spacing: 0.15em;
  text-transform: uppercase; margin-bottom: 0.5rem;
}

.hero h1 {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900; line-height: 1;
  background: linear-gradient(180deg, #fff 30%, var(--gold-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero-sub { font-size: 1.1rem; color: var(--text-muted); max-width: 480px; margin-bottom: 2rem; }

.hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--gold-light);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--gold-dark);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

/* Promo marquee */
.promo-marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(139, 105, 20, 0.15), rgba(10, 18, 16, 0.9), rgba(139, 105, 20, 0.15));
  padding: 0.65rem 0;
}

.promo-marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: promo-scroll 40s linear infinite;
  white-space: nowrap;
}

.promo-marquee-track span {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--gold-light);
}

@keyframes promo-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .promo-marquee-track { animation: none; flex-wrap: wrap; width: 100%; justify-content: center; padding: 0 1rem; }
}

/* Promo CTA banner */
.promo-cta {
  padding: 2.5rem 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(10, 18, 16, 0.95));
  border-bottom: 1px solid var(--border);
}

.promo-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.promo-cta-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}

.promo-cta-text h2 {
  font-size: 1.5rem;
  color: var(--gold-light);
  margin-bottom: 0.5rem;
  max-width: 520px;
}

.promo-cta-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 560px;
}

.promo-cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* EV leader section */
.ev-leader {
  background: linear-gradient(180deg, rgba(10, 18, 16, 0.5), transparent);
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.75rem;
}

.ev-lead { max-width: 720px; }

.ev-lead strong { color: var(--gold-light); }

.ev-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.ev-pillar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.ev-pillar:hover {
  border-color: var(--gold-dark);
  transform: translateY(-3px);
}

.ev-pillar-icon {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.ev-pillar h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--gold-light);
}

.ev-pillar p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ev-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.ev-highlight-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
  border: 1px solid var(--gold-dark);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.08), var(--bg-card));
}

.ev-highlight-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  font-family: var(--mono);
  color: var(--gold-light);
  margin-bottom: 0.35rem;
}

.ev-highlight-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.ev-highlight-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ev-subtitle {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gold-light);
  margin: 3rem 0 0.75rem;
}

.ev-market-desc,
.ev-systems-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.ev-market-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.ev-market-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  text-align: center;
}

.ev-market-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--mono);
  color: var(--gold-light);
  margin-bottom: 0.35rem;
}

.ev-market-item span:last-child {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ev-systems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.ev-system-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.2s;
}

.ev-system-card:hover { border-color: var(--gold-dark); }

.ev-system-card strong {
  display: block;
  font-family: var(--mono);
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.ev-system-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.ev-protocols-block p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  max-width: 680px;
}

.ev-proto-tags { margin-bottom: 0; }

.ev-coverage-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.ev-coverage-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.ev-coverage-table th,
.ev-coverage-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.ev-coverage-table th {
  background: rgba(212, 175, 55, 0.08);
  color: var(--gold-light);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ev-coverage-table td:first-child {
  font-weight: 700;
  color: var(--gold-light);
  white-space: nowrap;
}

.ev-coverage-table tbody tr:last-child td { border-bottom: none; }

.ev-coverage-table tbody tr:hover { background: rgba(212, 175, 55, 0.04); }

.ev-safety-desc,
.ev-coverage > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  max-width: 680px;
}

.ev-safety-steps {
  list-style: none;
  counter-reset: ev-step;
  display: grid;
  gap: 0.75rem;
}

.ev-safety-steps li {
  counter-increment: ev-step;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem 1rem 3rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.ev-safety-steps li::before {
  content: counter(ev-step);
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--gold-dark);
  color: #000;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ev-safety-steps li strong { color: var(--text); }

.ev-func-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.ev-func-grid span {
  font-size: 0.82rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  background: var(--bg-card);
}

.ev-functions > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  max-width: 680px;
}

/* Promotions grid */
.promotions { background: rgba(10, 18, 16, 0.4); }

.promo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.promo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.promo-card:hover {
  border-color: var(--gold-dark);
  transform: translateY(-3px);
}

.promo-card--hot {
  border-color: var(--gold-dark);
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.1), var(--bg-card));
}

.promo-card-badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.promo-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--gold-light);
}

.promo-card > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.promo-card-list {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.promo-card-list li::before { content: '✓ '; color: var(--gold); }

.promo-card-list li { margin-bottom: 0.3rem; }

.product-card--ev-wide { grid-column: 1 / -1; }

.product-features--cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.25rem 1.5rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }

.nice-badges { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.nice-badges span {
  font-family: var(--mono); font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px; color: var(--gold);
  background: rgba(10, 18, 16, 0.8);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

/* Sections */
.section { padding: 5rem 0; }

.section-title {
  font-size: 2rem; font-weight: 800; margin-bottom: 0.75rem;
  color: var(--gold-light);
}

.section-desc { color: var(--text-muted); margin-bottom: 2.5rem; max-width: 560px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover { border-color: var(--gold-dark); transform: translateY(-4px); }

.card-icon {
  color: var(--gold);
  margin-bottom: 1rem;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--gold-dark); border-radius: 8px;
  background: rgba(212, 175, 55, 0.06);
}

.card-icon svg {
  width: 26px;
  height: 26px;
  display: block;
}

.card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }

.card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }

.card ul { list-style: none; font-size: 0.85rem; color: var(--text-muted); }

.card li::before { content: '▸ '; color: var(--gold); }

.card li { margin-bottom: 0.35rem; }

/* Stats band */
.stats-band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 18, 16, 0.6);
  padding: 2rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gold-light);
  font-family: var(--mono);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Products */
.products { background: linear-gradient(180deg, rgba(10, 18, 16, 0.3), transparent); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover { border-color: var(--gold-dark); transform: translateY(-3px); }

.product-card--featured {
  border-color: var(--gold-dark);
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.08), var(--bg-card));
}

.product-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.product-card h3 { font-size: 1.15rem; margin-bottom: 0.25rem; }

.product-version {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.product-card > p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; flex-grow: 1; }

.product-features {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.product-features li::before { content: '✓ '; color: var(--gold); }

.product-features li { margin-bottom: 0.3rem; }

.btn-block { display: block; text-align: center; width: 100%; }

/* Features grid */
.features { background: rgba(5, 8, 8, 0.5); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.feature-item {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  transition: border-color 0.2s;
}

.feature-item:hover { border-color: var(--gold-dark); }

.feature-icon {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold-dark);
  margin-bottom: 0.75rem;
}

.feature-item h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }

.feature-item p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* Workflow */
.workflow-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.workflow-step {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: #000;
  font-weight: 800;
  font-family: var(--mono);
  border-radius: 50%;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.workflow-step h3 { font-size: 1rem; margin-bottom: 0.5rem; }

.workflow-step p { font-size: 0.85rem; color: var(--text-muted); }

/* Use cases */
.usecases { background: linear-gradient(180deg, transparent, rgba(10, 18, 16, 0.4)); }

/* Tech */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.tech-tags span {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--gold);
  background: rgba(212, 175, 55, 0.05);
}

.tech-brands p {
  font-size: 0.8rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.brand-list { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }

/* About values */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.value-item strong {
  display: block;
  color: var(--gold-light);
  margin-bottom: 0.35rem;
}

.value-item p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* Download */
.download { background: linear-gradient(180deg, rgba(10, 18, 16, 0.5), transparent); }

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.download-card:hover { border-color: var(--gold-dark); transform: translateY(-3px); }

.download-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--gold-dark);
  border-radius: 8px;
  color: var(--gold);
  background: rgba(212, 175, 55, 0.06);
  margin-bottom: 1rem;
}

.download-icon svg { width: 22px; height: 22px; }

.download-os {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.download-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }

.download-card > p {
  color: var(--text-muted);
  font-size: 0.88rem;
  flex-grow: 1;
  margin-bottom: 1rem;
}

.download-meta {
  display: flex;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.download-meta span:first-child { color: var(--gold); }

.download-guide {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
}

.download-guide h3 {
  font-size: 1rem;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.download-guide ol {
  margin-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.download-guide li { margin-bottom: 0.5rem; }

.download-note {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* FAQ */
.faq { background: rgba(10, 18, 16, 0.3); }

.faq-list { max-width: 720px; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.75rem;
  background: var(--bg-card);
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  float: right;
  color: var(--gold);
  font-family: var(--mono);
}

.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  padding: 0 1.25rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Footer links */
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold-light); }

/* Trademark */
.trademark { background: linear-gradient(180deg, transparent, rgba(10, 18, 16, 0.5)); }

.trademark-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}

.lead { font-size: 1.05rem; margin-bottom: 1rem; }

.trademark p { color: var(--text-muted); margin-bottom: 1rem; }

.tm-info {
  display: grid; gap: 1rem; margin-top: 2rem;
  padding: 1.5rem; border: 1px solid var(--border); border-radius: 8px;
}

.tm-info span { font-size: 0.75rem; color: var(--gold); text-transform: uppercase; letter-spacing: 0.1em; }

.tm-info p { margin: 0; color: var(--text); font-size: 0.95rem; }

.tm-visual {
  text-align: center; padding: 3rem;
  border: 2px solid var(--gold-dark); border-radius: 16px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.05), transparent);
}

.tm-wordmark {
  font-size: 5rem; font-weight: 900;
  background: linear-gradient(180deg, #fff, var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tm-sub {
  font-family: var(--mono); font-size: 0.85rem;
  color: var(--text-muted); letter-spacing: 0.2em; margin-top: 0.5rem;
}

/* About */
.about-grid { max-width: 720px; }

.about-grid p { color: var(--text-muted); margin-bottom: 1rem; }

/* Contact */
.contact-box {
  max-width: 520px; margin: 0 auto; text-align: center;
}

.contact-box h2 { margin-bottom: 0.5rem; }

.contact-box > p { color: var(--text-muted); margin-bottom: 2rem; }

.contact-form {
  display: flex; flex-direction: column; gap: 1rem; text-align: left;
}

.contact-form input,
.contact-form textarea {
  padding: 0.85rem 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none; border-color: var(--gold);
}

.contact-note { font-size: 0.75rem; color: var(--text-muted); margin-top: 1rem; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0; margin-top: 2rem;
}

.footer-inner { text-align: center; }

.footer-brand { font-size: 1.1rem; margin-bottom: 0.5rem; }

.footer-brand strong { color: var(--gold-light); }

.footer p { font-size: 0.8rem; color: var(--text-muted); }

.footer-domain { margin-top: 0.5rem; }

.footer-domain a {
  color: var(--gold);
  text-decoration: none;
}

.footer-domain a:hover { color: var(--gold-light); }

.contact-note a { color: var(--gold); }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-right { flex-wrap: wrap; justify-content: flex-end; }

  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; background: var(--bg);
    padding: 1rem; border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .nav-links.open { display: flex; }

  .hero-grid { grid-template-columns: 1fr; text-align: center; }

  .hero-sub { margin-left: auto; margin-right: auto; }

  .hero-actions { justify-content: center; }

  .nice-badges { justify-content: center; }

  .hero-visual { order: -1; }

  .hero-logo-wrap { max-width: 220px; }

  .trademark-grid { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .product-grid { grid-template-columns: 1fr; }

  .product-features--cols { grid-template-columns: 1fr; }

  .ev-pillars { grid-template-columns: 1fr; }

  .ev-highlights { grid-template-columns: 1fr; }

  .ev-market-grid { grid-template-columns: repeat(2, 1fr); }

  .ev-systems-grid { grid-template-columns: 1fr; }

  .promo-grid { grid-template-columns: 1fr; }

  .promo-cta-inner { flex-direction: column; text-align: center; }

  .promo-cta-actions { justify-content: center; }

  .promo-cta-text h2, .promo-cta-text p { max-width: none; }

  .feature-grid { grid-template-columns: repeat(2, 1fr); }

  .workflow-steps { grid-template-columns: 1fr; }

  .about-values { grid-template-columns: 1fr; }

  .download-grid { grid-template-columns: 1fr; }

  .nav-links { gap: 0.75rem; font-size: 0.85rem; }
}