/* Meshtastic India — global stylesheet */

:root {
  --navy: #07101e;
  --navy-2: #0c1a2e;
  --navy-3: #122644;
  --steel: #2a3a52;
  --steel-light: #6b7a90;
  --signal: #2ee6a6;       /* mesh / signal green */
  --signal-2: #19c989;
  --signal-deep: #0a8a5e;
  --amber: #ff9d2e;        /* tactical / defense accent */
  --amber-deep: #d77000;
  --olive: #5a6f3c;
  --tactical: #3a4a2e;
  --white: #ffffff;
  --off: #f4f7fb;
  --line: rgba(255, 255, 255, 0.08);
  --line-dark: rgba(7, 16, 30, 0.08);
  --shadow: 0 10px 30px rgba(7, 16, 30, 0.10);
  --shadow-lg: 0 20px 60px rgba(7, 16, 30, 0.20);
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1200px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", "Menlo", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--signal-deep); text-decoration: none; }
a:hover { color: var(--signal-2); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-dark { background: var(--navy); color: var(--off); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--white); }
.section-alt { background: var(--off); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--signal-2); margin-bottom: 16px;
}
.section-dark .eyebrow { color: var(--signal); }
.eyebrow.amber { color: var(--amber); }

.lead { font-size: 1.125rem; color: var(--steel); max-width: 720px; }
.section-dark .lead { color: #b8c4d6; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 16, 30, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: var(--maxw); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--white); font-family: var(--font-display);
  font-weight: 600; font-size: 1.15rem; letter-spacing: 0.01em;
}
.brand-mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--signal-2), var(--signal-deep));
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(46, 230, 166, 0.35);
}
.brand small {
  display: block; font-size: 0.65rem; font-weight: 400;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--signal); font-family: var(--font);
}
.nav-links { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: #cfd8e8; font-size: 0.92rem;
  padding: 8px 14px; border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  background: rgba(46, 230, 166, 0.12); color: var(--white);
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--signal-2), var(--signal-deep));
  color: var(--white) !important;
  padding: 10px 18px !important; border-radius: 10px !important;
  font-weight: 600; box-shadow: 0 4px 14px rgba(46, 230, 166, 0.3);
}
.nav-cta:hover { transform: translateY(-1px); }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--line);
  color: var(--white); width: 42px; height: 42px;
  border-radius: 8px; cursor: pointer;
}

@media (max-width: 980px) {
  .menu-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: var(--navy);
    padding: 12px 16px; gap: 4px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-10px); opacity: 0;
    pointer-events: none; transition: all 0.2s;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { display: block; padding: 12px 14px; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  text-decoration: none; font-family: var(--font);
}
.btn-primary {
  background: linear-gradient(135deg, var(--signal-2), var(--signal-deep));
  color: var(--white);
  box-shadow: 0 6px 20px rgba(46, 230, 166, 0.35);
}
.btn-primary:hover {
  color: var(--white); transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(46, 230, 166, 0.45);
}
.btn-amber {
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  color: var(--white);
  box-shadow: 0 6px 20px rgba(255, 157, 46, 0.35);
}
.btn-amber:hover { color: var(--white); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255, 157, 46, 0.45); }
.btn-ghost {
  background: transparent; color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
  color: var(--white); background: rgba(255, 255, 255, 0.06);
  border-color: var(--signal);
}
.btn-outline {
  background: transparent; color: var(--navy); border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

/* ===== Hero ===== */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(46, 230, 166, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(10, 138, 94, 0.22), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white); overflow: hidden;
  padding: 120px 0 100px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 64px; align-items: center;
}
@media (max-width: 880px) {
  .hero { padding: 80px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: 20px; }
.hero .gradient-text {
  background: linear-gradient(135deg, var(--signal), var(--signal-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { color: #cfd8e8; font-size: 1.18rem; max-width: 580px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 56px; padding-top: 32px;
  border-top: 1px solid var(--line);
}
.hero-stats .stat strong {
  display: block; font-family: var(--font-display);
  font-size: 1.8rem; color: var(--signal); margin-bottom: 4px;
}
.hero-stats .stat span {
  font-size: 0.85rem; color: #9aa9bf; letter-spacing: 0.04em;
}

/* Hero visual — animated mesh network */
.hero-visual {
  position: relative; aspect-ratio: 1 / 1;
  display: grid; place-items: center;
}
.hero-visual::before {
  content: ""; position: absolute; inset: 8%;
  background: radial-gradient(circle, rgba(46,230,166,0.18), transparent 70%);
  border-radius: 50%; filter: blur(20px);
  animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; }
}
.orbit-ring {
  position: absolute; inset: 0;
  border: 1px dashed rgba(46, 230, 166, 0.25);
  border-radius: 50%;
  animation: spin 40s linear infinite;
}
.orbit-ring::after {
  content: ""; position: absolute; top: -6px; left: 50%;
  width: 12px; height: 12px;
  background: var(--signal); border-radius: 50%;
  box-shadow: 0 0 16px var(--signal);
  transform: translateX(-50%);
}
.orbit-ring.r2 {
  inset: 12%; animation-duration: 28s;
  animation-direction: reverse;
  border-color: rgba(25, 201, 137, 0.35);
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-visual svg {
  position: relative; width: 78%;
  filter: drop-shadow(0 12px 30px rgba(46, 230, 166, 0.3));
}

/* Mesh node pulse animation */
@keyframes node-pulse {
  0%, 100% { opacity: 1; r: 4; }
  50% { opacity: 0.6; r: 5.5; }
}
.mesh-node { animation: node-pulse 2.4s ease-in-out infinite; }
.mesh-node.delay-1 { animation-delay: 0.4s; }
.mesh-node.delay-2 { animation-delay: 0.8s; }
.mesh-node.delay-3 { animation-delay: 1.2s; }
.mesh-node.delay-4 { animation-delay: 1.6s; }

@keyframes signal-flow {
  0% { stroke-dashoffset: 40; opacity: 0; }
  20% { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
.mesh-link {
  stroke-dasharray: 4 4;
  animation: signal-flow 3s linear infinite;
}
.mesh-link.delay-1 { animation-delay: 0.6s; }
.mesh-link.delay-2 { animation-delay: 1.2s; }
.mesh-link.delay-3 { animation-delay: 1.8s; }

/* ===== Cards / Feature grids ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px; margin-top: 48px;
}
.feature {
  padding: 28px; background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--signal-2);
}
.section-dark .feature {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}
.section-dark .feature:hover {
  background: rgba(46, 230, 166, 0.06);
  border-color: var(--signal-2);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(25, 201, 137, 0.15), rgba(10, 138, 94, 0.08));
  display: grid; place-items: center;
  margin-bottom: 18px; color: var(--signal-2);
}
.section-dark .feature-icon {
  background: linear-gradient(135deg, rgba(46, 230, 166, 0.18), rgba(10, 138, 94, 0.1));
  color: var(--signal);
}
.feature-icon.amber {
  background: linear-gradient(135deg, rgba(255, 157, 46, 0.2), rgba(215, 112, 0, 0.1));
  color: var(--amber);
}
.feature h3 { margin-bottom: 8px; }
.feature p { color: var(--steel); font-size: 0.95rem; margin: 0; }
.section-dark .feature p { color: #b8c4d6; }

/* ===== Section header ===== */
.section-head { max-width: 760px; }
.section-head.center { margin: 0 auto; text-align: center; }

/* ===== Product cards ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px; margin-top: 48px;
}
.product-card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--signal-2);
}
.section-dark .product-card {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}
.product-card-visual {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--navy-2), var(--navy));
  display: grid; place-items: center;
  position: relative; overflow: hidden;
}
.product-card-visual::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(46, 230, 166, 0.2), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(25, 201, 137, 0.15), transparent 50%);
}
.product-card-visual.tactical::before {
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 157, 46, 0.18), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(90, 111, 60, 0.25), transparent 50%);
}
.product-card-visual svg {
  position: relative; width: 60%; color: var(--signal);
}
.product-card-visual.tactical svg { color: var(--amber); }
.product-card-body { padding: 24px 26px; flex: 1; display: flex; flex-direction: column; }
.product-tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--signal-2); margin-bottom: 8px;
}
.product-tag.amber { color: var(--amber); }
.section-dark .product-tag { color: var(--signal); }
.product-card h3 { margin-bottom: 8px; }
.section-dark .product-card h3 { color: var(--white); }
.product-card p.product-desc {
  color: var(--steel); font-size: 0.94rem;
  margin: 0 0 16px;
}
.section-dark .product-card p.product-desc { color: #b8c4d6; }
.product-price {
  font-family: var(--font-display); font-size: 1.4rem;
  font-weight: 600; color: var(--navy); margin: 4px 0 16px;
}
.section-dark .product-price { color: var(--signal); }
.product-price small {
  display: block; font-size: 0.7rem; font-weight: 500;
  color: var(--steel-light); letter-spacing: 0.08em;
  text-transform: uppercase; margin-top: 4px;
}
.product-list {
  list-style: none; padding: 0; margin: 0 0 20px;
  display: grid; gap: 8px;
}
.product-list li {
  display: flex; align-items: flex-start; gap: 10px;
  color: var(--steel); font-size: 0.92rem;
}
.section-dark .product-list li { color: #b8c4d6; }
.product-list li::before {
  content: ""; flex: 0 0 auto;
  width: 16px; height: 16px; margin-top: 4px;
  background: linear-gradient(135deg, var(--signal-2), var(--signal-deep));
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
}
.product-card .btn { margin-top: auto; align-self: flex-start; }

/* ===== Application tiles ===== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px; margin-top: 48px;
}
.app-tile {
  position: relative; padding: 32px 28px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--navy-2), var(--navy));
  color: var(--white); border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.2s;
}
.app-tile:hover { transform: translateY(-6px); border-color: var(--signal-2); }
.app-tile::after {
  content: ""; position: absolute;
  bottom: -50%; right: -30%;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(46, 230, 166, 0.18), transparent 70%);
  border-radius: 50%;
}
.app-tile.tactical::after {
  background: radial-gradient(circle, rgba(255, 157, 46, 0.18), transparent 70%);
}
.app-tile.tactical:hover { border-color: var(--amber); }
.app-tile h3 { color: var(--white); margin-bottom: 8px; position: relative; }
.app-tile p { color: #b8c4d6; font-size: 0.95rem; margin: 0; position: relative; }
.app-tile .feature-icon {
  background: rgba(46, 230, 166, 0.14);
  color: var(--signal); margin-bottom: 18px;
}
.app-tile.tactical .feature-icon {
  background: rgba(255, 157, 46, 0.14); color: var(--amber);
}

/* ===== CTA banner ===== */
.cta-banner {
  background:
    radial-gradient(1000px 400px at 100% 0%, rgba(46, 230, 166, 0.18), transparent 60%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: var(--white); border-radius: var(--radius);
  padding: 56px;
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 40px; align-items: center;
  margin: 64px auto; max-width: var(--maxw);
}
@media (max-width: 880px) {
  .cta-banner { grid-template-columns: 1fr; padding: 40px 28px; margin: 32px 24px; }
}
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: #cfd8e8; margin: 0; }
.cta-banner .ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
@media (max-width: 880px) { .cta-banner .ctas { justify-content: flex-start; } }

/* ===== Page hero ===== */
.page-hero {
  background:
    radial-gradient(800px 400px at 80% 0%, rgba(46, 230, 166, 0.18), transparent 60%),
    linear-gradient(180deg, var(--navy), var(--navy-2));
  color: var(--white); padding: 100px 0 80px; text-align: center;
}
.page-hero.tactical {
  background:
    radial-gradient(800px 400px at 80% 0%, rgba(255, 157, 46, 0.16), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(90, 111, 60, 0.18), transparent 60%),
    linear-gradient(180deg, var(--navy), var(--navy-2));
}
.page-hero .container { max-width: 820px; }
.page-hero h1 { color: var(--white); }
.page-hero p { color: #cfd8e8; font-size: 1.1rem; max-width: 680px; margin: 0 auto; }

/* ===== Forms ===== */
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin-top: 40px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field label {
  display: block; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 6px; color: var(--navy); letter-spacing: 0.02em;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px;
  border: 1px solid #d4dce8; border-radius: 10px;
  font-family: var(--font); font-size: 0.96rem;
  background: var(--white); color: var(--navy);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--signal-2);
  box-shadow: 0 0 0 4px rgba(46, 230, 166, 0.16);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-success {
  display: none; margin-top: 20px;
  padding: 14px 18px;
  background: #e6f9f0; color: #0a6e3a;
  border: 1px solid #b8e8cc; border-radius: 10px;
  font-size: 0.95rem;
}
.form-success.show { display: block; }

/* ===== Contact info / cards ===== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; margin-top: 48px;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
.contact-card {
  display: flex; gap: 16px; padding: 22px;
  background: var(--off); border-radius: var(--radius);
  margin-bottom: 14px; border: 1px solid var(--line-dark);
}
.contact-card .feature-icon { margin: 0; flex: 0 0 auto; width: 48px; height: 48px; }
.contact-card h4 { margin: 0 0 4px; font-size: 1rem; }
.contact-card p { margin: 0; color: var(--steel); font-size: 0.92rem; }

/* ===== Use case scenes ===== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px; margin-top: 48px;
}
.scene-tile {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden; position: relative;
  border: 1px solid var(--line-dark);
  transition: transform 0.25s, box-shadow 0.2s;
}
.scene-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.scene-tile .scene { position: absolute; inset: 0; display: grid; place-items: center; }
.scene-tile .scene svg { width: 56%; opacity: 0.85; }
.scene-tile .label {
  position: absolute; left: 16px; bottom: 14px; right: 16px;
  z-index: 2;
  background: rgba(7, 16, 30, 0.78);
  color: var(--white);
  padding: 10px 14px; border-radius: 8px;
  backdrop-filter: blur(8px);
}
.scene-tile .label strong {
  display: block; font-family: var(--font-display);
  font-size: 0.95rem; margin-bottom: 2px;
}
.scene-tile .label span {
  font-size: 0.78rem; color: #b8c4d6; letter-spacing: 0.02em;
}

.scene-forest   { background: linear-gradient(180deg, #2d4a3a 0%, #1a2e22 100%); }
.scene-tank     { background: linear-gradient(180deg, #4a4a3a 0%, #2d2d22 100%); }
.scene-paratrooper { background: linear-gradient(180deg, #4a6a8c 0%, #1a2e44 100%); }
.scene-mountain { background: linear-gradient(180deg, #6ea8c4 0%, #2d4a63 100%); }
.scene-disaster { background: linear-gradient(180deg, #8c5a3a 0%, #2d1a14 100%); }
.scene-coast    { background: linear-gradient(180deg, #a8d8e8 0%, #1f5575 100%); }
.scene-night    { background: linear-gradient(180deg, #1a2a47 0%, #07101e 100%); }
.scene-border   { background: linear-gradient(180deg, #c4a86e 0%, #5e4a2c 100%); }
.scene-base     { background: linear-gradient(180deg, #5a6f3c 0%, #2d3a22 100%); }

/* ===== Steps / timeline ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px; margin-top: 48px;
  counter-reset: stepc;
}
.step {
  padding: 28px; background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  position: relative;
}
.step::before {
  counter-increment: stepc;
  content: counter(stepc, decimal-leading-zero);
  font-family: var(--font-display); font-size: 0.9rem;
  font-weight: 600; color: var(--signal-2);
  letter-spacing: 0.18em;
}
.step h3 { margin: 8px 0 6px; font-size: 1.1rem; }
.step p { margin: 0; font-size: 0.94rem; color: var(--steel); }

.section-dark .step { background: rgba(255, 255, 255, 0.03); border-color: var(--line); }
.section-dark .step h3 { color: var(--white); }
.section-dark .step p { color: #b8c4d6; }
.section-dark .step::before { color: var(--signal); }

/* ===== Two-col content ===== */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
@media (max-width: 880px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

/* ===== Spec tables ===== */
.spec-table {
  width: 100%; border-collapse: collapse; margin-top: 32px;
  background: var(--white); border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}
.section-dark .spec-table {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}
.spec-table th, .spec-table td {
  padding: 14px 18px; text-align: left;
  font-size: 0.94rem;
  border-bottom: 1px solid var(--line-dark);
}
.section-dark .spec-table th, .section-dark .spec-table td { border-bottom-color: var(--line); color: #cfd8e8; }
.spec-table th {
  font-family: var(--font); font-weight: 600;
  color: var(--steel); width: 40%;
  background: var(--off);
}
.section-dark .spec-table th { background: rgba(255, 255, 255, 0.04); color: var(--signal); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

/* ===== Project / case study ===== */
.case-grid {
  display: grid; gap: 32px; margin-top: 48px;
}
.case-card {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 0; background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.25s, box-shadow 0.2s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
@media (max-width: 880px) { .case-card { grid-template-columns: 1fr; } }
.case-visual { min-height: 260px; position: relative; overflow: hidden; }
.case-visual .badge-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 6px 12px; border-radius: 6px;
  background: rgba(7, 16, 30, 0.75);
  color: var(--signal); font-size: 0.72rem;
  font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  backdrop-filter: blur(8px);
}
.case-visual.tactical .badge-tag { color: var(--amber); }
.case-body { padding: 36px 36px; }
.case-body h3 { margin-bottom: 12px; }
.case-body p { color: var(--steel); margin: 0 0 16px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 24px; padding-top: 16px; border-top: 1px solid var(--line-dark); margin-top: 8px; }
.case-meta div { font-size: 0.85rem; color: var(--steel); }
.case-meta div strong {
  display: block; font-family: var(--font-display);
  color: var(--navy); font-size: 1.05rem; margin-bottom: 2px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--navy); color: #b8c4d6;
  padding: 72px 0 24px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h5 {
  color: var(--white); font-family: var(--font);
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin: 0 0 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #b8c4d6; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--signal); }
.footer-tag {
  font-family: var(--font-display); color: var(--white);
  font-size: 1.05rem; margin: 16px 0 12px;
}
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: #8597af;
}
.social-row { display: flex; gap: 10px; margin-top: 14px; }
.social-row a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  color: #b8c4d6; border: 1px solid var(--line);
  transition: all 0.2s;
}
.social-row a:hover {
  background: var(--signal-deep); color: var(--white);
  border-color: var(--signal-2);
}

/* ===== Spam-resistant contact rendering ===== */
.contact-render {
  display: inline-block;
  vertical-align: middle;
  user-select: none;
  -webkit-user-select: none;
  min-width: 1ch;
  line-height: 1;
}
.contact-render canvas {
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}
.contact-render:hover { opacity: 0.85; }
.contact-render:focus { outline: 2px solid var(--signal-2); outline-offset: 2px; border-radius: 4px; }
/* Footer / dark-bg contact links should look like links */
.footer-grid .contact-render { color: #b8c4d6; }
.footer-grid .contact-render:hover { color: var(--signal); }
/* Loading state — show a thin placeholder bar before canvas paints */
.contact-render:not(.contact-render-ready)::before {
  content: "";
  display: inline-block;
  width: 12ch;
  height: 1em;
  background: currentColor;
  opacity: 0.15;
  border-radius: 3px;
  vertical-align: middle;
}

/* ===== Reveal on scroll ===== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
.no-grow { flex: 0 0 auto; }

.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: rgba(46, 230, 166, 0.1);
  border: 1px solid rgba(46, 230, 166, 0.25);
  color: var(--signal); border-radius: 999px;
  font-size: 0.82rem; font-weight: 500;
}
.badge.amber {
  background: rgba(255, 157, 46, 0.1);
  border-color: rgba(255, 157, 46, 0.3);
  color: var(--amber);
}
.section-alt .badge,
section:not(.section-dark):not(.hero):not(.page-hero) .badge {
  background: rgba(10, 138, 94, 0.08);
  border-color: rgba(10, 138, 94, 0.18);
  color: var(--signal-deep);
}

/* ===== Banner / Defense ribbon ===== */
.defense-ribbon {
  background: linear-gradient(135deg, var(--tactical), var(--olive));
  color: var(--white);
  padding: 14px 0;
  text-align: center;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--amber);
}
.defense-ribbon strong { color: var(--amber); font-family: var(--font-display); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.8rem; }

/* ===== Tech / Code-style block ===== */
.code-block {
  background: var(--navy);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
  border: 1px solid var(--line);
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.88rem; color: #b8c4d6;
  overflow-x: auto;
}
.code-block .k { color: var(--signal); }
.code-block .c { color: var(--steel-light); font-style: italic; }
.code-block .s { color: var(--amber); }