/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── Brand palette (brand-guide.md v1.0) ── */
  --blackwater:    #0E1611;  /* Primary Canvas */
  --deep-tupelo:   #21352A;  /* Secondary Base */
  --ghost-moss:    #71766E;  /* Core Typography */
  --forest-floor:  #4C594A;  /* Muted Accent / dividers */
  --swamp-muck:    #3B3020;  /* Tactile / shadow */
  --threat-maroon: #5C1D24;  /* Critical Indicator — use sparingly */

  /* ── Functional tokens ── */
  --bg:         var(--blackwater);
  --surface:    var(--deep-tupelo);
  --border:     var(--forest-floor);
  --text:       var(--ghost-moss);        /* Ghost Moss = Core Typography */
  --text-hi:    #A8B5A2;                  /* lighter ghost-moss for emphasis */
  --muted:      #4F5550;                  /* below Ghost Moss — truly secondary */
  --white:      #D8E2D4;                  /* off-white with green tint */

  /* Interactive — no bright cyber blue per brand guide; use Ghost Moss family */
  --interactive:     #8FA888;             /* lightened ghost-moss for links/buttons */
  --interactive-dim: #1B3020;             /* deep hover fill */

  --font-heading: 'Oswald', 'Arial Black', sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Cascadia Code', monospace;
  --max-w:   1100px;
  --radius:  3px;
}

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;700&family=Inter:wght@400;500&family=JetBrains+Mono:wght@400&display=swap');

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header / Nav ── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  background: rgba(14, 22, 17, 0.97);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ghost-moss);
  text-decoration: none;
  transition: color 0.15s;
}

.site-logo:hover { color: var(--white); }

.logo-emblem {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-wordmark {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.3;
  color: inherit;
}

.site-nav { display: flex; gap: 1.75rem; }

.site-nav a {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}

.site-nav a:hover,
.site-nav a.active { color: var(--white); }

/* ── Hero ── */
.hero {
  padding: 6rem 0 4rem;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(ellipse at 20% 60%, var(--deep-tupelo) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, var(--swamp-muck) 0%, transparent 55%);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1rem;
  color: var(--text);
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
}

/* ── Intro ── */
.intro { padding: 3rem 0; border-bottom: 1px solid var(--border); }
.intro p { max-width: 65ch; }

/* ── Service preview grid ── */
.service-preview { padding: 3.5rem 0; }

.service-preview h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 2rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--forest-floor);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-hi);
  margin-bottom: 0.6rem;
}

.service-card p { font-size: 0.88rem; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  background: var(--forest-floor);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.btn:hover {
  background: var(--ghost-moss);
  color: var(--blackwater);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--forest-floor);
}

.btn-outline:hover {
  background: var(--interactive-dim);
  color: var(--white);
}

/* ── Page content ── */
.page {
  padding: 4rem 0;
  max-width: 72ch;
}

.page h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.page h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-hi);
  margin: 2.25rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.page h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin: 1.5rem 0 0.4rem;
}

.page p { margin-bottom: 1rem; }

.page ul, .page ol {
  margin: 0.5rem 0 1rem 1.5rem;
}

.page li { margin-bottom: 0.4rem; }

.page a {
  color: var(--interactive);
  text-underline-offset: 3px;
}

.page a:hover { color: var(--white); }

.page code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface);
  padding: 0.1em 0.4em;
  border-radius: 2px;
}

/* Threat Maroon — for IOC/alert callouts in reports */
.alert-critical {
  border-left: 3px solid var(--threat-maroon);
  padding-left: 1rem;
  margin: 1rem 0;
}

/* ── Services page specific ── */
.service-detail {
  border-left: 2px solid var(--forest-floor);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

/* ── Contact form ── */
.contact-form { margin-top: 1.5rem; }

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.8rem;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--ghost-moss);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 1rem;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .site-nav { gap: 1rem; }
  .hero { padding: 4rem 0 2.5rem; }
  .service-grid { grid-template-columns: 1fr; }
}