/* ============================================
   TECHDEFEND LIMITED — Design Tokens
   ============================================ */
:root {
  /* Color */
  --ink-900: #0B1320;       /* base background */
  --ink-800: #111B2D;       /* card/section bg */
  --steel-700: #1C2B3F;     /* structural lines, borders */
  --steel-600: #28394F;     /* hover surfaces */
  --signal-amber: #D98E2B;  /* accent — used sparingly, like a status light */
  --signal-amber-dim: #8a5e1f;
  --cool-cyan: #6B8CA3;     /* secondary accent / links */
  --text-100: #EDEFF2;      /* primary text */
  --text-300: #B7C0CC;      /* secondary text */
  --text-500: #7E8B9A;      /* muted/meta text */
  --ok-green: #4E8B6B;      /* status: secure/ok, used very sparingly */

  /* Type */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Layout */
  --max-width: 1180px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;
  --radius: 3px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-display);
  background: var(--ink-900);
  color: var(--text-100);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--cool-cyan); text-decoration: none; }
a:hover { color: var(--signal-amber); }

:focus-visible {
  outline: 2px solid var(--signal-amber);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-100);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }

p { color: var(--text-300); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-amber);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: var(--space-2);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-amber);
  display: inline-block;
  box-shadow: 0 0 8px var(--signal-amber);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-500);
  border: 1px solid var(--steel-700);
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  display: inline-block;
}

.lede {
  font-size: 1.15rem;
  color: var(--text-300);
  max-width: 640px;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 19, 32, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--steel-700);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-100);
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 30px;
  height: 30px;
  display: inline-block;
  flex-shrink: 0;
  background-image: url("../images/logo-mark.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.logo-sub {
  font-family: var(--font-display);
  font-size: 0.68rem;
  color: var(--text-500);
  font-weight: 400;
  letter-spacing: 0.02em;
  display: block;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-300);
  font-weight: 500;
}

.nav-links a:hover, .nav-links a.active { color: var(--text-100); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--steel-700);
  color: var(--text-100);
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  font-size: 1.1rem;
  cursor: pointer;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--signal-amber);
  color: var(--ink-900);
}
.btn-primary:hover {
  background: #e6a043;
  color: var(--ink-900);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--steel-700);
  color: var(--text-100);
}
.btn-ghost:hover {
  border-color: var(--cool-cyan);
  color: var(--text-100);
}

.btn-block { width: 100%; justify-content: center; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  padding: var(--space-6) 0 var(--space-5);
  overflow: hidden;
  border-bottom: 1px solid var(--steel-700);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--steel-700) 1px, transparent 1px),
    linear-gradient(90deg, var(--steel-700) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 60% 50% at 70% 30%, black 0%, transparent 75%);
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.4; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}

.hero h1 { margin-bottom: var(--space-3); }
.hero h1 span { color: var(--signal-amber); }

.hero-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.terminal {
  background: var(--ink-800);
  border: 1px solid var(--steel-700);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--steel-700);
  background: var(--steel-700);
}

.terminal-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--steel-600);
}

.terminal-title {
  margin-left: 0.5rem;
  color: var(--text-500);
  font-size: 0.75rem;
}

.terminal-body {
  padding: 1.2rem;
  color: var(--text-300);
  min-height: 200px;
}

.terminal-body .line { margin-bottom: 0.55rem; }
.terminal-prompt { color: var(--cool-cyan); }
.terminal-ok { color: var(--ok-green); }
.terminal-warn { color: var(--signal-amber); }
.terminal-cursor {
  display: inline-block;
  width: 7px; height: 1em;
  background: var(--signal-amber);
  margin-left: 2px;
  animation: blink 1s step-start infinite;
  vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

/* ============================================
   SECTIONS
   ============================================ */
section { padding: var(--space-6) 0; }
.section-tight { padding: var(--space-5) 0; }
.section-border-top { border-top: 1px solid var(--steel-700); }
.section-alt { background: var(--ink-800); }

.section-head {
  max-width: 680px;
  margin-bottom: var(--space-5);
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ============================================
   SERVICE / MODULE CARDS
   ============================================ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.module-card {
  background: var(--ink-800);
  border: 1px solid var(--steel-700);
  border-radius: 6px;
  padding: var(--space-4);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.module-card:hover {
  border-color: var(--cool-cyan);
  transform: translateY(-2px);
}

.module-card .mono-tag { margin-bottom: var(--space-2); }

.module-card h3 { margin: var(--space-2) 0 0.6rem; }

.module-card p { font-size: 0.95rem; }

.module-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--steel-700);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--signal-amber);
  margin-bottom: var(--space-2);
}

/* ============================================
   STATUS STRIP (logos / certifications / trust)
   ============================================ */
.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--steel-700);
  border-bottom: 1px solid var(--steel-700);
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-500);
}

.status-item .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok-green);
  box-shadow: 0 0 6px var(--ok-green);
}

/* ============================================
   STATS
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.stat {
  border-left: 2px solid var(--signal-amber);
  padding-left: var(--space-2);
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--text-100);
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-500);
}

/* ============================================
   CTA BAND
   ============================================ */
.cta-band {
  background: var(--ink-800);
  border: 1px solid var(--steel-700);
  border-radius: 8px;
  padding: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 0.4rem; }
.cta-band-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--steel-700);
  padding: var(--space-5) 0 var(--space-3);
  background: var(--ink-800);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-500);
  font-family: var(--font-mono);
  margin-bottom: var(--space-2);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.55rem; }
.footer-col a { color: var(--text-300); font-size: 0.92rem; }
.footer-col a:hover { color: var(--signal-amber); }

.footer-bottom {
  border-top: 1px solid var(--steel-700);
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.82rem;
  color: var(--text-500);
}

.footer-logo { display: flex; align-items: center; gap: 0.5rem; margin-bottom: var(--space-2); }

/* ============================================
   PAGE HEADER (sub-pages)
   ============================================ */
.page-header {
  padding: var(--space-5) 0 var(--space-4);
  border-bottom: 1px solid var(--steel-700);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-500);
  margin-bottom: var(--space-2);
}
.breadcrumb a { color: var(--text-500); }
.breadcrumb a:hover { color: var(--signal-amber); }

/* ============================================
   FORMS
   ============================================ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.form-group { margin-bottom: var(--space-2); }
.form-group.full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-500);
  margin-bottom: 0.4rem;
}

input, select, textarea {
  width: 100%;
  background: var(--ink-900);
  border: 1px solid var(--steel-700);
  color: var(--text-100);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.95rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--signal-amber);
}

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

.form-note {
  font-size: 0.8rem;
  color: var(--text-500);
  margin-top: var(--space-2);
}

/* ============================================
   TIMELINE / LIST (no numbering unless real sequence)
   ============================================ */
.value-list { list-style: none; }
.value-list li {
  display: flex;
  gap: 0.8rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--steel-700);
  color: var(--text-300);
}
.value-list li:last-child { border-bottom: none; }
.value-list li::before {
  content: "▸";
  color: var(--signal-amber);
  flex-shrink: 0;
}

/* Engagement process — this one IS a real sequence */
.process-step {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--steel-700);
}
.process-step:last-child { border-bottom: none; }

.process-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--signal-amber);
  flex-shrink: 0;
  width: 32px;
  padding-top: 0.2rem;
}

/* ============================================
   TEAM / ABOUT
   ============================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.panel {
  background: var(--ink-800);
  border: 1px solid var(--steel-700);
  border-radius: 6px;
  padding: var(--space-4);
}

/* ============================================
   LEADERSHIP / FOUNDER PROFILES
   ============================================ */
.leader-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.leader-card {
  background: var(--ink-800);
  border: 1px solid var(--steel-700);
  border-radius: 6px;
  padding: var(--space-4);
}

.leader-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--steel-700);
}

.leader-avatar {
  width: 56px;
  height: 56px;
  border-radius: 6px;
  border: 1px solid var(--steel-700);
  background: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--signal-amber);
  flex-shrink: 0;
}

.leader-name { font-size: 1.15rem; margin-bottom: 0.15rem; }
.leader-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cool-cyan);
  letter-spacing: 0.02em;
}

.leader-stats {
  display: flex;
  gap: var(--space-3);
  margin: var(--space-3) 0;
  flex-wrap: wrap;
}

.leader-stat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-500);
}
.leader-stat strong { color: var(--text-100); display: block; font-size: 1.3rem; font-family: var(--font-mono); }

.leader-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-2);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .leader-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --space-6: 4rem; --space-5: 2.5rem; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .status-strip { justify-content: flex-start; }
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--ink-900);
  z-index: 200;
  padding: var(--space-3);
}
.mobile-nav.open { display: block; }
.mobile-nav-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}
.mobile-nav-close {
  background: none; border: 1px solid var(--steel-700); color: var(--text-100);
  width: 38px; height: 38px; border-radius: var(--radius); font-size: 1.1rem; cursor: pointer;
}
.mobile-nav ul { list-style: none; }
.mobile-nav li { border-bottom: 1px solid var(--steel-700); }
.mobile-nav a { display: block; padding: var(--space-2) 0; font-size: 1.1rem; color: var(--text-100); }
.mobile-nav .btn { margin-top: var(--space-3); }