/* ============================================
   SENTINEL Defense Systems — Tactical Dark Theme
   Shared stylesheet for all pages
   ============================================ */

:root {
  --bg: #07090c;
  --bg-2: #0c1014;
  --panel: #11161c;
  --panel-2: #161d24;
  --border: #1f2a36;
  --text: #e7ecf2;
  --muted: #8896a5;
  --amber: #BDB76C;
  --amber-dim: #8a8447;
  --olive: #708238;
  --steel: #6b8aa6;
  --danger: #c64a3b;
  --glow: rgba(189, 183, 108, 0.32);
  --radius: 6px;
  --maxw: 1200px;
  --font: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "Consolas", "Menlo", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Tactical grid + topo backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(112, 130, 56, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 130, 56, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: -2;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  top: -20%;
  right: -20%;
  width: 70vw;
  height: 70vw;
  background:
    radial-gradient(circle, rgba(189, 183, 108, 0.10), transparent 65%);
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   ALERT BAR
   ============================================ */
.alert-bar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}
.alert-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.alert-bar .pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  margin-right: 8px;
  box-shadow: 0 0 8px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.alert-bar .stat-line { color: var(--text); }
.alert-bar .stat-line strong { color: var(--amber); font-weight: 600; }

/* ============================================
   NAVBAR
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 12, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  transition: opacity 0.2s;
}
.logo:hover { opacity: 0.82; }
.logo:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 6px;
  border-radius: 2px;
}
.logo-img {
  display: block;
  height: 38px;
  width: auto;
  /* optical lift so the wordmark sits on the nav's visual centre line */
  transform: translateY(-1px);
}
.footer .logo-img { height: 34px; transform: none; }

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  padding: 9px 16px;
  border-radius: 4px;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--panel-2); }
.nav-links a.active { color: var(--amber); }

.nav-cta {
  padding: 10px 18px !important;
  border: 1px solid var(--amber);
  border-radius: 4px;
  color: var(--amber) !important;
  background: rgba(189, 183, 108, 0.06);
  font-weight: 700 !important;
}
.nav-cta:hover {
  background: var(--amber) !important;
  color: #1a1207 !important;
  box-shadow: 0 0 18px var(--glow);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 1.4rem;
  width: 44px;
  height: 44px;
  cursor: pointer;
}

.lang-switch {
  display: inline-flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-left: auto;
  margin-right: 16px;
}
.lang-btn {
  padding: 4px 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted, #9ca3af);
  text-decoration: none;
  border-radius: 4px;
  transition: 0.2s ease;
}
.lang-btn.active,
.lang-btn:hover {
  background: var(--accent, #00e5ff);
  color: #0a0e17;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: var(--amber);
  color: #1a1207;
  box-shadow: 0 0 18px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 28px var(--glow); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* ============================================
   SECTION HELPERS
   ============================================ */
section { padding: 90px 0; position: relative; }

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow::before { content: "// "; opacity: 0.6; }

.section-title {
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.5px;
}
.section-intro {
  color: var(--muted);
  max-width: 640px;
  margin-top: 14px;
  font-size: 1.04rem;
}
.section-head { margin-bottom: 50px; }
.center { text-align: center; }
.center .section-intro { margin-left: auto; margin-right: auto; }

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 22px;
  background: var(--panel);
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
}
.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
}
.hero h1 .accent {
  color: var(--amber);
  position: relative;
  display: inline-block;
}
.hero p.lead {
  color: var(--muted);
  font-size: 1.12rem;
  margin: 22px 0 32px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
  flex-wrap: wrap;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.stat .num {
  font-family: var(--mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.stat .label {
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 6px;
}

/* Hero visual — targeting reticle */
.hero-visual {
  position: relative;
  height: 440px;
  display: grid;
  place-items: center;
}
.reticle {
  width: 320px;
  height: 320px;
  border: 1.5px solid var(--amber);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 50px rgba(189, 183, 108, 0.2), inset 0 0 50px rgba(0,0,0,0.6);
  background:
    radial-gradient(circle at 45% 40%, rgba(189,183,108,0.10), transparent 65%),
    radial-gradient(circle at 65% 70%, rgba(112,130,56,0.18), transparent 60%),
    var(--panel);
  display: grid;
  place-items: center;
}
.reticle::before, .reticle::after {
  content: "";
  position: absolute;
  background: var(--amber);
  opacity: 0.7;
}
.reticle::before { left: 50%; top: -16px; bottom: -16px; width: 1px; transform: translateX(-50%); }
.reticle::after { top: 50%; left: -16px; right: -16px; height: 1px; transform: translateY(-50%); }
.reticle .inner {
  width: 90px;
  height: 90px;
  border: 1px dashed var(--amber);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.6rem;
  animation: pulse 3s ease-in-out infinite;
}
.ring {
  position: absolute;
  border: 1px dashed var(--amber-dim);
  border-radius: 50%;
  opacity: 0.35;
}
.ring.r1 { width: 380px; height: 380px; animation: spin 22s linear infinite; }
.ring.r2 { width: 450px; height: 450px; border-style: dotted; animation: spin 32s linear infinite reverse; }
.coord {
  position: absolute;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--amber);
  opacity: 0.8;
  letter-spacing: 1px;
}
.coord.tl { top: 10px; left: 10px; }
.coord.tr { top: 10px; right: 10px; }
.coord.bl { bottom: 10px; left: 10px; }
.coord.br { bottom: 10px; right: 10px; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-visual {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-cell {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 22px 18px;
  text-align: center;
}
.about-cell .ico { font-size: 1.7rem; }
.about-cell .t { font-weight: 700; margin-top: 8px; font-size: 0.95rem; }
.about-cell .d { font-size: 0.78rem; color: var(--muted); font-family: var(--mono); letter-spacing: 1px; margin-top: 2px; }

.about-text h3 {
  margin-top: 26px;
  font-size: 1.1rem;
  font-family: var(--mono);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--amber);
}
.about-text p { color: var(--muted); margin-top: 8px; }

/* ============================================
   CARDS / GRID
   ============================================ */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 40px;
  height: 2px;
  background: var(--amber);
  opacity: 0.6;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--amber-dim);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
}
.card .ico {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: rgba(189, 183, 108, 0.08);
  border: 1px solid var(--border);
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.card h3 { font-size: 1.05rem; font-weight: 700; }
.card p { color: var(--muted); margin-top: 8px; font-size: 0.93rem; }

/* System / product cards */
.product-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 60px;
  height: 2px;
  background: var(--amber);
  z-index: 2;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber-dim);
  box-shadow: 0 16px 44px rgba(0,0,0,0.55);
}
.product-art {
  height: 210px;
  display: grid;
  place-items: center;
  font-size: 4.4rem;
  background:
    repeating-linear-gradient(45deg, rgba(189,183,108,0.03) 0 10px, transparent 10px 20px),
    radial-gradient(circle at 50% 50%, rgba(189,183,108,0.12), transparent 65%),
    var(--panel-2);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.product-art .designation {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  color: var(--amber);
  background: rgba(0,0,0,0.5);
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
}
.product-body { padding: 28px; }
.product-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 600;
}
.product-body h3 { font-size: 1.4rem; margin: 8px 0 12px; font-weight: 800; }
.product-body p { color: var(--muted); font-size: 0.94rem; }
.product-specs {
  list-style: none;
  margin: 20px 0 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-specs li {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  letter-spacing: 0.5px;
}
.product-specs li span:first-child { color: var(--muted); text-transform: uppercase; font-size: 0.74rem; letter-spacing: 1.5px; }
.product-specs li span:last-child { color: var(--text); font-weight: 600; }
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
}
.classification {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  color: var(--muted);
}

/* ============================================
   CAPABILITY / SPEC ROWS
   ============================================ */
.spec-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 70px;
}
.spec-row:last-child { margin-bottom: 0; }
.spec-row.reverse .spec-visual { order: -1; }
.spec-visual {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 300px;
  display: grid;
  place-items: center;
  font-size: 5rem;
  background-image:
    repeating-linear-gradient(45deg, rgba(189,183,108,0.03) 0 10px, transparent 10px 20px),
    radial-gradient(circle at 50% 45%, rgba(112,130,56,0.16), transparent 60%);
  position: relative;
}
.spec-visual .frame-corners::before,
.spec-visual .frame-corners::after,
.spec-visual::before,
.spec-visual::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--amber);
}
.spec-visual::before { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.spec-visual::after { top: 10px; right: 10px; border-left: none; border-bottom: none; }
.spec-visual .frame-corners::before { bottom: 10px; left: 10px; border-right: none; border-top: none; }
.spec-visual .frame-corners::after { bottom: 10px; right: 10px; border-left: none; border-top: none; }

.spec-text h3 { font-size: 1.5rem; font-weight: 800; }
.spec-text p { color: var(--muted); margin-top: 10px; }
.spec-list { list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 11px; }
.spec-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 0.94rem; color: var(--muted);
}
.spec-list li::before {
  content: "▸"; color: var(--amber); font-weight: 700;
}

.metric-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  position: relative;
}
.metric::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 28px;
  height: 2px;
  background: var(--amber);
}
.metric .big {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.metric .cap {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ============================================
   CTA STRIP
   ============================================ */
.cta-strip {
  background:
    repeating-linear-gradient(45deg, rgba(189,183,108,0.04) 0 12px, transparent 12px 24px),
    linear-gradient(135deg, rgba(189, 183, 108, 0.08), rgba(112, 130, 56, 0.10));
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 6px;
  padding: 56px 48px;
  text-align: center;
}
.cta-strip h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
.cta-strip p { color: var(--muted); margin: 12px auto 28px; max-width: 540px; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}
.contact-info .info-item {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info .info-item:last-child { border-bottom: none; }
.info-ico {
  width: 46px; height: 46px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 4px;
  background: rgba(189,183,108,0.08);
  border: 1px solid var(--border);
  font-size: 1.2rem;
}
.info-item .it-title { font-weight: 700; font-size: 0.85rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--amber); }
.info-item .it-sub { color: var(--muted); font-size: 0.92rem; font-family: var(--mono); margin-top: 4px; }

.form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  border-left: 3px solid var(--amber);
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--amber);
  font-family: var(--mono);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(189, 183, 108, 0.12);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 4px;
  background: rgba(189, 183, 108, 0.1);
  border: 1px solid var(--amber-dim);
  color: var(--amber);
  font-size: 0.88rem;
  font-family: var(--mono);
  letter-spacing: 1px;
}
.form-note.show { display: block; }
.itar-notice {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px dashed var(--border);
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ============================================
   FAQ
   ============================================ */
.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 22px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-q .plus { color: var(--amber); font-size: 1.3rem; transition: transform 0.2s; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--muted);
  padding: 0 22px;
  font-size: 0.94rem;
}
.faq-item.open .faq-a { max-height: 280px; padding-bottom: 20px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 56px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
}
.footer p.tag { color: var(--muted); font-size: 0.9rem; margin-top: 14px; max-width: 300px; }
.footer h4 {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--amber);
  margin-bottom: 16px;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer ul a { color: var(--muted); font-size: 0.9rem; }
.footer ul a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--mono);
  letter-spacing: 1px;
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 940px) {
  .hero-grid,
  .about-grid,
  .spec-row,
  .contact-grid { grid-template-columns: 1fr; }
  .spec-row.reverse .spec-visual { order: 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { height: 380px; }
  .metric-bar { grid-template-columns: repeat(2, 1fr); }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 4px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .logo-img { height: 34px; }
}
@media (max-width: 560px) {
  section { padding: 64px 0; }
  .grid-3, .grid-2, .grid-4, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .hero { padding: 64px 0; }
  .cta-strip { padding: 40px 22px; }
  .form { padding: 24px; }
  .reticle { width: 240px; height: 240px; }
  .logo-img { height: 28px; }
  .footer .logo-img { height: 30px; }
}

/* ============================================
   VIDEO EMBEDS (SYSTEMS CARDS)
   ============================================ */
.product-art video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================
   FIX SYSTEM CARD VIDEOS & LAYOUT
   ============================================ */
.product-art {
  position: relative;
  overflow: hidden;
}
.product-art video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.product-art .designation {
  z-index: 2;
}