/* DC Home Locator — Sci-Fi Technical Design System */
:root {
  --bg-void: #030508;
  --bg-deep: #060b14;
  --bg-panel: #0a101c;
  --bg-card: #0d1524;
  --bg-card-hover: #111c30;
  --cyan: #00f0ff;
  --cyan-dim: rgba(0, 240, 255, 0.15);
  --blue: #4d9fff;
  --magenta: #c850ff;
  --green: #00ff9d;
  --gold: #ffc14d;
  --text: #c8d6e8;
  --text-bright: #eef4ff;
  --text-dim: #6b7d99;
  --border: rgba(0, 240, 255, 0.18);
  --border-glow: rgba(0, 240, 255, 0.45);
  --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --radius: 4px;
  --font-display: "Orbitron", system-ui, sans-serif;
  --font-body: "Exo 2", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

html { scroll-behavior: smooth; }

body.sci-site {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-void);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color 0.2s, opacity 0.2s; }
a:hover { color: var(--text-bright); }

.container { width: min(1140px, 92vw); margin-inline: auto; position: relative; z-index: 2; }

/* Ambient grid */
.sci-grid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 80%);
}

.sci-scanline {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.03;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,240,255,0.5) 2px, rgba(0,240,255,0.5) 4px);
}

.sci-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  background: var(--cyan-dim);
}

.sci-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--magenta);
  letter-spacing: 0.08em;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6, 11, 20, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 0; gap: 1rem;
}

.logo {
  display: flex; align-items: center; gap: 0.65rem;
  font-weight: 700; color: var(--text-bright); text-decoration: none;
}

.logo-mark {
  width: 2.4rem; height: 2.4rem;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: var(--bg-void);
  font-family: var(--font-display);
  font-size: 0.75rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 85% 100%, 0 100%);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 0.95rem; letter-spacing: 0.04em;
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--cyan);
  margin-left: 0.35rem;
  vertical-align: super;
}

.main-nav { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}
.main-nav a:hover { color: var(--cyan); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--cyan); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(0,240,255,0.2), rgba(77,159,255,0.2));
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.15);
}
.btn-primary:hover {
  background: var(--cyan);
  color: var(--bg-void);
  box-shadow: 0 0 30px rgba(0,240,255,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-bright);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-ghost {
  background: rgba(200,80,255,0.1);
  color: var(--magenta);
  border-color: rgba(200,80,255,0.4);
}
.btn-ghost:hover { background: rgba(200,80,255,0.25); }

.btn-nav {
  background: linear-gradient(90deg, rgba(0,240,255,0.15), rgba(200,80,255,0.15));
  color: var(--cyan) !important;
  border: 1px solid var(--cyan);
  padding: 0.5rem 1rem;
}
.btn-nav:hover { box-shadow: var(--shadow-glow); color: var(--text-bright) !important; }

.btn-outline-light {
  background: transparent; color: var(--text-bright);
  border-color: var(--border);
}
.btn-outline-light:hover { border-color: var(--cyan); color: var(--cyan); }

/* Hero */
.hero-image {
  position: relative; min-height: 88vh;
  display: flex; align-items: center;
  padding: 5rem 0 4rem;
  overflow: hidden;
}

.hero-bg-img {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg-img picture, .hero-bg-img img {
  width: 100%; height: 100%; object-fit: cover;
}

.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(3,5,8,0.7) 0%, rgba(6,11,20,0.85) 50%, rgba(3,5,8,0.95) 100%),
    linear-gradient(90deg, rgba(3,5,8,0.9) 0%, transparent 50%);
}

.hero-content-wide {
  position: relative; z-index: 2;
  max-width: 720px;
}

.hero-eyebrow, .hero .sci-label { margin-bottom: 1.25rem; }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text-bright);
  text-shadow: 0 0 40px rgba(0,240,255,0.2);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 3rem; }

.hero-stats {
  display: flex; flex-wrap: wrap; gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}
.stat span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }

/* Sections */
section { padding: 4.5rem 0; position: relative; z-index: 2; }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--text-bright);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}
.section-header p { color: var(--text-dim); font-size: 0.95rem; }
.section-header.light h2, .section-header.light p { color: var(--text); }

/* Cards */
.card-grid { display: grid; gap: 1.25rem; }
.two-col { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.three-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.four-col { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  opacity: 0;
  transition: opacity 0.2s;
}

.card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.card:hover::before { opacity: 1; }

.card-service { display: block; text-decoration: none; color: inherit; }
.card-service .sci-num { display: block; margin-bottom: 0.75rem; }
.card-service h3 { font-family: var(--font-display); font-size: 0.95rem; color: var(--text-bright); margin-bottom: 0.5rem; letter-spacing: 0.04em; }
.card-service p { font-size: 0.88rem; color: var(--text-dim); margin-bottom: 0.75rem; }
.card-link { font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan); letter-spacing: 0.06em; }

.card-linked { display: block; text-decoration: none; color: inherit; }
.card-linked h3 { font-family: var(--font-display); font-size: 0.95rem; color: var(--text-bright); margin-bottom: 0.5rem; }
.card-linked p { font-size: 0.88rem; color: var(--text-dim); }

.card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--magenta);
  border: 1px solid rgba(200,80,255,0.3);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.75rem;
}

.card-with-img { padding: 0; }
.card-with-img .card-img, .card-with-img picture, .card-with-img img {
  width: 100%; height: 180px; object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.card-with-img .card-body { padding: 1.5rem; }
.card-feature h3 { font-family: var(--font-display); color: var(--text-bright); margin-bottom: 0.5rem; }
.card-feature p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1rem; }

.card-list { list-style: none; margin-bottom: 1rem; }
.card-list li {
  position: relative; padding-left: 1.1rem;
  font-size: 0.85rem; color: var(--text); margin-bottom: 0.35rem;
}
.card-list li::before { content: '▸'; position: absolute; left: 0; color: var(--green); }

.services-preview { background: var(--bg-deep); }
.audience { background: var(--bg-panel); }
.resources { background: var(--bg-deep); }
.articles-preview { background: var(--bg-panel); }
.guides-list-section { background: var(--bg-deep); }

/* Areas */
.area-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.area-tab {
  padding: 0.55rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--bg-card);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.area-tab:hover { color: var(--cyan); border-color: var(--cyan); }
.area-tab.active {
  background: rgba(0,240,255,0.1);
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0,240,255,0.15);
}

.area-panel-banner { margin-bottom: 1.25rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); max-height: 220px; }
.area-banner-img, .area-panel-banner img { width: 100%; height: 220px; object-fit: cover; }

.area-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0.75rem; }
.area-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  transition: border-color 0.2s;
}
.area-item:hover { border-color: var(--cyan); }
.area-item h4 { font-family: var(--font-mono); font-size: 0.85rem; color: var(--cyan); margin-bottom: 0.3rem; letter-spacing: 0.04em; }
.area-item p { font-size: 0.82rem; color: var(--text-dim); }

/* Tools */
.tools {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.tool-grid-img .tool-card {
  flex-direction: column; align-items: stretch;
  padding: 0; overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none; color: inherit;
  display: flex;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.tool-grid-img .tool-card:hover { border-color: var(--cyan); box-shadow: var(--shadow-glow); }
.tool-card-photo, .tool-grid-img img { width: 100%; height: 130px; object-fit: cover; }
.tool-grid-img .tool-card > div { padding: 1rem 1.25rem 0; }
.tool-card h3 { font-family: var(--font-display); font-size: 0.85rem; color: var(--text-bright); margin-bottom: 0.3rem; }
.tool-card p { font-size: 0.8rem; color: var(--text-dim); }
.tool-arrow { font-family: var(--font-mono); color: var(--cyan); padding: 0 1.25rem 1rem; font-size: 0.85rem; }

/* Guides */
.guide-list { display: flex; flex-direction: column; gap: 0.75rem; max-width: 800px; margin: 0 auto; }
.guide-item, .guide-item-link {
  display: flex; gap: 1.25rem; align-items: flex-start;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none; color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.guide-item-link:hover { border-color: var(--cyan); box-shadow: var(--shadow-glow); }
.guide-num { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600; color: var(--magenta); flex-shrink: 0; }
.guide-item h3, .guide-item-link h3 { font-family: var(--font-display); font-size: 0.9rem; color: var(--text-bright); margin-bottom: 0.3rem; }
.guide-item p { font-size: 0.85rem; color: var(--text-dim); }

/* Articles */
.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; }
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.article-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.article-card-link { display: block; text-decoration: none; color: inherit; }
.article-card-img-wrap { height: 150px; overflow: hidden; border-bottom: 1px solid var(--border); }
.article-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.article-card-body { padding: 1.25rem; }
.article-cat { font-family: var(--font-mono); font-size: 0.65rem; color: var(--magenta); letter-spacing: 0.1em; text-transform: uppercase; }
.article-card h2 { font-family: var(--font-display); font-size: 0.9rem; color: var(--text-bright); margin: 0.4rem 0; line-height: 1.35; }
.article-card p { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 0.5rem; }
.article-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan); }

.filter-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: 2rem; }
.filter-pill {
  padding: 0.45rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-decoration: none;
}
.filter-pill.active, .filter-pill:hover {
  background: rgba(0,240,255,0.1);
  border-color: var(--cyan);
  color: var(--cyan);
}

.section-cta { text-align: center; margin-top: 2rem; }

/* Page heroes */
.page-hero {
  padding: 3rem 0;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.page-hero-inner h1 {
  font-family: var(--font-display);
  color: var(--text-bright);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.page-hero-img, .page-hero-img img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
  width: min(300px, 42vw);
  height: auto;
}

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.service-card h3 { font-family: var(--font-display); color: var(--text-bright); font-size: 0.95rem; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.88rem; color: var(--text-dim); }
.service-card ul { margin-top: 1rem; padding-left: 1rem; font-size: 0.85rem; color: var(--text); }
.service-card li { margin-bottom: 0.35rem; }

.service-module { margin-bottom: 2.5rem; }
.service-module-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.service-module:nth-child(even) .service-module-grid { direction: rtl; }
.service-module:nth-child(even) .service-module-body { direction: ltr; }
.service-module-img img { border-radius: var(--radius); border: 1px solid var(--border); width: 100%; }
.service-module-body h2 { font-family: var(--font-display); color: var(--text-bright); font-size: 1.1rem; margin: 0.5rem 0; }
.service-module-body p { color: var(--text-dim); margin-bottom: 1rem; }
.service-module-body ul { padding-left: 1rem; font-size: 0.88rem; color: var(--text); }
.service-module-body li { margin-bottom: 0.35rem; }
@media (max-width: 768px) {
  .service-module-grid, .service-module:nth-child(even) .service-module-grid {
    grid-template-columns: 1fr; direction: ltr;
  }
}

.trust-band {
  background: linear-gradient(90deg, rgba(0,240,255,0.08), rgba(200,80,255,0.08));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}
.trust-inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1.5rem; text-align: center; }
.trust-item strong { display: block; font-family: var(--font-display); font-size: 1rem; color: var(--cyan); margin-bottom: 0.2rem; }
.trust-item span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; }

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 2rem;
  max-width: 1000px; margin: 0 auto; padding: 0 1.25rem 3rem;
}
.contact-info h2 { font-family: var(--font-display); color: var(--text-bright); margin-bottom: 1rem; }
.contact-info a { color: var(--cyan); }
.contact-services { margin-top: 1.5rem; background: var(--bg-card); border: 1px solid var(--border); padding: 1.25rem; border-radius: var(--radius); }
.contact-form label { display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cyan); margin: 1rem 0 0.35rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 0.7rem 0.9rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0,240,255,0.15);
}
.contact-form-wrap { background: var(--bg-card); border: 1px solid var(--border); padding: 1.75rem; border-radius: var(--radius); }
.contact-success { color: var(--green); }
.contact-error { background: rgba(255,80,80,0.1); border: 1px solid rgba(255,80,80,0.3); color: #ff8080; padding: 1rem; border-radius: var(--radius); margin-bottom: 1rem; }

.tool-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 1000px; margin: 0 auto; padding: 0 1.25rem 3rem; }
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--cyan);
  box-shadow: var(--shadow-glow);
  color: var(--text-bright);
  padding: 2rem;
  border-radius: var(--radius);
}
.result-value { font-family: var(--font-display); font-size: 2rem; color: var(--cyan); margin: 0.5rem 0; }
.result-note { font-size: 0.85rem; color: var(--text-dim); margin-top: 1rem; }
.result-placeholder { background: var(--bg-card); border: 1px solid var(--border); padding: 1.75rem; border-radius: var(--radius); }

/* Article single */
.article-single .article-header {
  padding: 3rem 0;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}
.article-header-inner { max-width: 800px; margin: 0 auto; padding: 0 1.25rem; }
.article-header h1 { font-family: var(--font-display); color: var(--text-bright); font-size: clamp(1.4rem, 3vw, 2rem); margin: 0.75rem 0; }
.article-excerpt { color: var(--text-dim); margin-bottom: 1rem; }
.article-header-meta { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; }
.article-header-meta img { border-radius: var(--radius); border: 1px solid var(--border); width: 100px; height: auto; }
.article-content { max-width: 800px; margin: 0 auto; padding: 2.5rem 1.25rem; }
.article-body p { margin-bottom: 1.25rem; color: var(--text); line-height: 1.75; }
.steps-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}
.steps-box h2 { font-family: var(--font-display); font-size: 0.9rem; color: var(--cyan); margin-bottom: 1rem; }
.steps-box ol { padding-left: 1.25rem; }
.steps-box li { margin-bottom: 0.5rem; color: var(--text); font-size: 0.9rem; }
.article-cta-box {
  background: rgba(0,240,255,0.05);
  border: 1px solid var(--border);
  padding: 1.75rem;
  border-radius: var(--radius);
  margin-top: 2rem;
  text-align: center;
}
.article-cta-box h3 { font-family: var(--font-display); color: var(--text-bright); margin-bottom: 0.5rem; }
.back-link { font-family: var(--font-mono); font-size: 0.8rem; color: var(--cyan); }

/* CTA */
.cta {
  background: linear-gradient(135deg, rgba(0,240,255,0.06), rgba(200,80,255,0.06));
  border-top: 1px solid var(--border);
  padding: 4rem 0;
}
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
.cta h2 { font-family: var(--font-display); font-size: clamp(1.3rem, 3vw, 1.75rem); color: var(--text-bright); margin-bottom: 0.5rem; }
.cta p { color: var(--text-dim); max-width: 480px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 3rem 0 0;
  position: relative; z-index: 2;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.logo-footer .logo-mark { background: linear-gradient(135deg, var(--cyan), var(--magenta)); }
.logo-footer .logo-text { color: var(--text-bright); }
.footer-brand p { margin-top: 0.75rem; font-size: 0.85rem; color: var(--text-dim); max-width: 280px; line-height: 1.6; }
.footer-status { font-family: var(--font-mono); font-size: 0.7rem; color: var(--green); margin-top: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.status-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.footer-links h4 { font-family: var(--font-mono); font-size: 0.7rem; color: var(--cyan); letter-spacing: 0.08em; margin-bottom: 0.75rem; }
.footer-links a, .footer-links span { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 0.4rem; text-decoration: none; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { padding: 1.25rem 0; text-align: center; }
.footer-bottom p { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); }
.footer-note { margin-top: 0.35rem; opacity: 0.6; }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 60px; left: 0; right: 0;
    background: rgba(6,11,20,0.98);
    flex-direction: column; padding: 1.25rem; gap: 0.75rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .hero-image { min-height: auto; padding: 3.5rem 0; }
  .page-hero-inner, .contact-grid, .tool-page-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .guide-item, .guide-item-link { flex-direction: column; gap: 0.5rem; }
}