/* ============================================================
   USA Powergate — Design System
   UI/UX: Mobile-first, accessible, semantic tokens
   ============================================================ */

/* ── 1. DESIGN TOKENS ── */
:root {
  /* Primitive */
  --color-gold-400: #f0a80e;
  --color-gold-500: #d4940a;
  --color-gold-600: #b57c08;
  --color-gray-900: #0a0a0a;
  --color-gray-850: #111827;
  --color-gray-800: #1f2937;
  --color-gray-700: #374151;
  --color-gray-400: #9ca3af;
  --color-gray-200: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-white: #ffffff;

  /* Semantic */
  --color-primary:       var(--color-gold-500);
  --color-primary-hover: var(--color-gold-400);
  --color-primary-press: var(--color-gold-600);
  --color-bg:            var(--color-gray-850);
  --color-bg-alt:        var(--color-gray-800);
  --color-bg-dark:       var(--color-gray-900);
  --color-text:          var(--color-gray-200);
  --color-text-muted:    var(--color-gray-400);
  --color-border:        rgba(255,255,255,0.08);
  --color-border-gold:   rgba(212,148,10,0.25);
  --color-focus:         var(--color-gold-400);

  /* Component */
  --btn-primary-bg:     var(--color-primary);
  --btn-primary-text:   var(--color-gray-900);
  --btn-primary-hover:  var(--color-primary-hover);
  --btn-outline-border: var(--color-primary);
  --btn-outline-text:   var(--color-primary);
  --btn-min-height:     48px;
  --btn-padding:        0.75rem 1.75rem;
  --btn-radius:         6px;

  --card-bg:            var(--color-bg-alt);
  --card-border:        var(--color-border);
  --card-radius:        10px;
  --card-hover-border:  var(--color-primary);

  --nav-height:         68px;
  --nav-bg:             rgba(10,10,10,0.96);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-6: 1.5rem; --space-8: 2rem;
  --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;

  /* Fluid typography */
  --text-xs:   clamp(0.70rem, 1.5vw, 0.75rem);
  --text-sm:   clamp(0.82rem, 1.8vw, 0.875rem);
  --text-base: clamp(0.95rem, 2vw,   1rem);
  --text-lg:   clamp(1.05rem, 2.2vw, 1.125rem);
  --text-xl:   clamp(1.1rem,  2.5vw, 1.25rem);
  --text-2xl:  clamp(1.3rem,  3vw,   1.5rem);
  --text-3xl:  clamp(1.6rem,  4vw,   2rem);
  --text-4xl:  clamp(1.9rem,  5vw,   2.5rem);
  --text-5xl:  clamp(2.2rem,  6vw,   3rem);

  /* Motion */
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --duration-slow: 300ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --section-padding: clamp(3rem, 7vw, 5rem) clamp(1.25rem, 5%, 5rem);
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* ── NAVIGATION ── */
nav {
  position: sticky; top: 0; z-index: 200;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-gold);
  padding: 0 clamp(1.25rem, 5%, 5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-logo img { height: 40px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-base);
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: var(--space-2) 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-primary); }

.nav-cta {
  background: var(--btn-primary-bg) !important;
  color: var(--btn-primary-text) !important;
  padding: var(--space-2) var(--space-6) !important;
  border-radius: var(--btn-radius) !important;
  font-weight: 700 !important;
  min-height: 44px;
  transition: background var(--duration-base) !important;
}
.nav-cta:hover { background: var(--btn-primary-hover) !important; }
.nav-cta.active { color: var(--btn-primary-text) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  cursor: pointer;
  border: none;
  background: none;
  border-radius: var(--btn-radius);
  padding: var(--space-2);
  transition: background var(--duration-base);
  flex-shrink: 0;
}
.hamburger:hover { background: rgba(255,255,255,0.06); }
.hamburger span {
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out), opacity var(--duration-base);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--color-bg-dark);
    border-bottom: 1px solid var(--color-border-gold);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) 0 var(--space-6);
    z-index: 199;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: var(--space-4) clamp(1.25rem, 5%, 3rem);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-border);
    min-height: 56px;
    text-transform: none;
    letter-spacing: 0;
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta {
    margin: var(--space-4) clamp(1.25rem, 5%, 3rem) 0 !important;
    justify-content: center;
    min-height: 52px !important;
  }
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--btn-min-height);
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  font-weight: 700;
  font-size: var(--text-base);
  font-family: inherit;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--duration-base), color var(--duration-base),
              border-color var(--duration-base), transform var(--duration-fast);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-color: var(--btn-primary-bg);
}
.btn-primary:hover { background: var(--btn-primary-hover); border-color: var(--btn-primary-hover); }

.btn-outline {
  background: transparent;
  color: var(--btn-outline-text);
  border-color: var(--btn-outline-border);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-gray-900); border-color: var(--color-primary); }

.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }

@media (max-width: 480px) {
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; }
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: clamp(520px, 72vh, 700px);
  display: flex;
  align-items: center;
  background: var(--color-bg-dark);
  overflow: hidden;
  padding: var(--section-padding);
}

.hero-bg {
  position: absolute; inset: 0;
  background-image: url('https://images.pexels.com/photos/29029258/pexels-photo-29029258.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size: cover;
  background-position: center center;
  opacity: 0.35;
  pointer-events: none;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(10,10,10,0.95) 0%,
    rgba(10,10,10,0.80) 45%,
    rgba(10,10,10,0.40) 100%);
}

/* Split layout: text left, product visual right */
.hero-inner {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero-content { width: 100%; }

/* Product showcase card on the right */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-product-showcase {
  width: 100%;
  max-width: 360px;
  border-radius: 16px;
  border: 1px solid rgba(212,148,10,0.35);
  overflow: hidden;
  box-shadow: 0 0 80px rgba(212,148,10,0.08), 0 24px 60px rgba(0,0,0,0.6);
  background: var(--color-gray-800);
}

.hero-product-img {
  background: #ffffff;
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

.hero-product-img img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
}

.hero-product-info {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid rgba(212,148,10,0.25);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hero-product-info strong {
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-lg);
}

.hero-product-info span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Stats card floating on right side of hero */
.hero-stats-card {
  background: rgba(17, 24, 39, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(212,148,10,0.3);
  border-radius: 14px;
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 280px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.hero-stat {
  padding: 1.25rem 0;
  text-align: center;
}

.hero-stat strong {
  display: block;
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.hero-stat span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-stat-divider {
  height: 1px;
  background: rgba(212,148,10,0.15);
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(212,148,10,0.12);
  border: 1px solid var(--color-border-gold);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: 4px;
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--color-primary); }
.hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 520px;
  line-height: 1.7;
}

/* ── TRUST BAR ── */
.trust-bar {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-gold);
  border-bottom: 1px solid var(--color-border-gold);
  padding: var(--space-8) clamp(1.25rem, 5%, 5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
@media (max-width: 640px) { .trust-bar { grid-template-columns: repeat(2, 1fr); } }

.trust-item { text-align: center; padding: var(--space-4) var(--space-2); }
.trust-item strong {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: var(--space-1);
}
.trust-item span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── SECTIONS ── */
.section { padding: var(--section-padding); }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-bg-dark); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 16px; height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

h2 {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

/* ── PRODUCT CARDS ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-slow) var(--ease-out),
              border-color var(--duration-base),
              box-shadow var(--duration-slow);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-hover-border);
  box-shadow: 0 12px 40px rgba(212,148,10,0.1);
}

.product-card-img {
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4/3;
  padding: var(--space-4) var(--space-6);
  overflow: hidden;
}
.product-card-img img {
  max-height: 220px;
  width: 100%;
  object-fit: contain;
  transition: transform var(--duration-slow) var(--ease-out);
}
.product-card:hover .product-card-img img { transform: scale(1.04); }

.product-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-3);
}
.product-card-body h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-white);
}

.product-tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  background: rgba(212,148,10,0.12);
  color: var(--color-primary);
  padding: 3px var(--space-2);
  border-radius: 4px;
  border: 1px solid rgba(212,148,10,0.2);
  width: fit-content;
}

.product-card-body p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; flex: 1; }

.product-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  min-height: 44px;
  padding: var(--space-2) 0;
  margin-top: auto;
  transition: gap var(--duration-base);
}
.product-link:hover { gap: var(--space-3); }

/* ── FEATURE CARDS ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--space-8);
  transition: border-color var(--duration-base), background var(--duration-base);
}
.feature-card:hover { border-color: rgba(212,148,10,0.3); background: rgba(31,41,55,0.8); }

.feature-icon {
  width: 48px; height: 48px;
  background: rgba(212,148,10,0.1);
  border: 1px solid var(--color-border-gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}
.feature-icon svg { width: 22px; height: 22px; }

.feature-card h3 { font-size: var(--text-base); font-weight: 700; color: var(--color-white); margin-bottom: var(--space-2); }
.feature-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* ── SPEC TABLE ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--card-radius); }
.spec-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 300px; }
.spec-table th {
  background: var(--color-primary);
  color: var(--color-gray-900);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.spec-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}
.spec-table tr:nth-child(even) td { background: rgba(255,255,255,0.025); }
.spec-table tr:hover td { background: rgba(212,148,10,0.04); }

/* ── MODEL COMPARISON ── */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr));
  gap: var(--space-4);
}

.model-card {
  background: var(--color-bg-alt);
  border: 2px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: border-color var(--duration-base), background var(--duration-base);
}
.model-card a { display: block; }
.model-card:hover, .model-card.active {
  border-color: var(--color-primary);
  background: rgba(212,148,10,0.04);
}
.model-name { font-size: var(--text-3xl); font-weight: 800; color: var(--color-primary); margin-bottom: var(--space-2); }
.model-duty {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}
.model-use { font-size: var(--text-sm); color: var(--color-text); line-height: 1.5; }

/* ── CTA SECTION ── */
.cta-section {
  background: linear-gradient(135deg, #150f02 0%, var(--color-bg-alt) 100%);
  border-top: 1px solid var(--color-border-gold);
  border-bottom: 1px solid var(--color-border-gold);
  text-align: center;
  padding: var(--section-padding);
}
.cta-section h2 { margin-bottom: var(--space-4); }
.cta-section p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 520px;
  margin-left: auto; margin-right: auto;
  line-height: 1.7;
}

/* ── PAGE HEADER ── */
.page-header {
  background: var(--color-bg-dark);
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 5%, 5rem);
  border-bottom: 1px solid var(--color-border-gold);
}
.page-header h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.page-header p { color: var(--color-text-muted); font-size: var(--text-lg); }

.breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { opacity: 0.4; }

/* ── PRODUCT DETAIL ── */
.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.4fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 5%, 5rem);
  align-items: start;
}

.product-image-box {
  background: #13131e;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-8);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
  border: 1px solid var(--color-border);
}
.product-image-box img { max-height: 280px; width: auto; object-fit: contain; }

.product-detail-content h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.product-detail-content > .intro {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-size: var(--text-lg);
}

.detail-section { margin-bottom: var(--space-10); }
.detail-section h2 {
  font-size: var(--text-xs);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.check-list { display: flex; flex-direction: column; gap: 0; }
.check-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}
.check-list li:last-child { border-bottom: none; }
.check-list li .chk { color: var(--color-primary); flex-shrink: 0; font-style: normal; line-height: 1.5; }

/* Mobile sticky CTA */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(10,10,10,0.97);
  border-top: 1px solid var(--color-border-gold);
  padding: var(--space-3) clamp(1.25rem, 5%, 3rem);
  z-index: 100;
  gap: var(--space-3);
  backdrop-filter: blur(8px);
}

@media (max-width: 900px) {
  .product-detail-layout { grid-template-columns: 1fr; padding-bottom: 88px; }
  .product-image-box { position: static; padding: var(--space-8); }
  .product-image-box img { max-height: 200px; }
  .sticky-cta { display: flex; }
  .sticky-cta .btn { flex: 1; }
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }

.about-text p { color: var(--color-text-muted); line-height: 1.8; margin-bottom: var(--space-4); font-size: var(--text-lg); }

.about-img-box { border-radius: 12px; overflow: hidden; border: 1px solid var(--color-border); }
.about-img-box img { width: 100%; object-fit: cover; aspect-ratio: 4/3; }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info-title { font-size: var(--text-2xl); font-weight: 700; color: var(--color-white); margin-bottom: var(--space-8); }

.contact-item { display: flex; gap: var(--space-4); margin-bottom: var(--space-6); align-items: flex-start; }

.contact-icon {
  width: 42px; height: 42px;
  background: rgba(212,148,10,0.1);
  border: 1px solid var(--color-border-gold);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-icon svg { width: 18px; height: 18px; }

.contact-item-text strong {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  font-weight: 700;
}
.contact-item-text span,
.contact-item-text a { font-size: var(--text-base); color: var(--color-text); display: block; line-height: 1.6; }
.contact-item-text a:hover { color: var(--color-primary); }

.contact-form-title { font-size: var(--text-2xl); font-weight: 700; color: var(--color-white); margin-bottom: var(--space-6); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--color-bg-alt);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--btn-radius);
  padding: 0.75rem 1rem;
  color: var(--color-white);
  font-size: var(--text-base);
  font-family: inherit;
  transition: border-color var(--duration-base), box-shadow var(--duration-base);
  width: 100%;
  min-height: 48px;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212,148,10,0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(156,163,175,0.5); }

.form-submit {
  min-height: 52px;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: none;
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  font-weight: 700;
  font-size: var(--text-base);
  cursor: pointer;
  transition: background var(--duration-base), transform var(--duration-fast);
  font-family: inherit;
  width: 100%;
}
.form-submit:hover { background: var(--btn-primary-hover); }
.form-submit:active { transform: scale(0.99); }
.form-submit:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* ── FOOTER ── */
footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) clamp(1.25rem, 5%, 5rem) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: var(--space-10);
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand img { height: 38px; margin-bottom: var(--space-4); }
.footer-tagline { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 240px; line-height: 1.6; }

.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.footer-col li { margin-bottom: var(--space-3); }
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--duration-base);
  display: inline-flex;
  min-height: 28px;
  align-items: center;
}
.footer-col a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom p { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ── SKIP LINK (accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-gray-900);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--btn-radius);
  font-weight: 700;
  z-index: 9999;
  transition: top var(--duration-base);
}
.skip-link:focus { top: var(--space-4); }