/* layout.css - page structure, nav, sections, footer */
body {
  background: var(--bg);
  transition: background var(--t-slow), color var(--t-slow);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  cursor: none;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    var(--scanline) 2px, var(--scanline) 4px
  );
  pointer-events: none;
  z-index: 0;
}
.bg-canvas {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}
/* nav */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-overlay);
  transition: background var(--t-slow) var(--ease-out),
              border-color var(--t-slow) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(3,5,8,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--section-px);
  height: var(--nav-h);
  max-width: var(--max-width);
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 6px;
  color: var(--accent);
  text-shadow: var(--glow-cyan);
  flex-shrink: 0;
}
.logo-accent { color: var(--accent2); }
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--t-mid);
}
.nav-link::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease-out);
}
.nav-link:hover,
.nav-link.active { color: var(--accent); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent3);
  text-shadow: var(--glow-green);
  letter-spacing: 1px;
}
.status-dot {
  width: 6px; height: 6px;
  background: var(--accent3);
  border-radius: 50%;
  box-shadow: var(--glow-green);
  animation: pulseDot 2s infinite;
}
.nav-search-btn {
  color: var(--muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), background var(--t-fast);
  display: flex;
  align-items: center;
}
.nav-search-btn:hover { color: var(--accent); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text-dim);
  transition: all var(--t-mid) var(--ease-out);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.search-overlay {
  position: fixed; inset: 0;
  background: rgba(3,5,8,0.95);
  backdrop-filter: blur(20px);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-mid) var(--ease-out);
}
.search-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.search-inner {
  width: 100%;
  max-width: 680px;
  padding: 0 24px;
}
.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--white);
  letter-spacing: 1px;
  transition: border-color var(--t-mid);
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--muted); }
.search-results {
  margin-top: 8px;
  max-height: 360px;
  overflow-y: auto;
}
.search-result-item {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  cursor: none;
  transition: background var(--t-fast), color var(--t-fast);
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-result-item:hover,
.search-result-item.focused { background: var(--surface2); color: var(--white); }
.search-result-item .result-tag {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border2);
  color: var(--muted);
  letter-spacing: 1px;
  flex-shrink: 0;
}
.search-hint {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  text-align: center;
}
.search-hint kbd {
  background: var(--surface2);
  border: 1px solid var(--border2);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) var(--section-px) 80px;
  position: relative;
  z-index: var(--z-base);
  overflow: hidden;
}
.hero-bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(100px, 20vw, 320px);
  color: rgba(0,229,255,0.02);
  letter-spacing: 20px;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  animation: heroDrift 25s ease-in-out infinite alternate;
}
.hero-content { max-width: 700px; }
.hero-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent2);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s var(--ease-out) forwards;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(60px, 10vw, 150px);
  line-height: 0.9;
  letter-spacing: 3px;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s var(--ease-out) forwards;
}
.line-dim   { color: var(--muted); display: block; }
.line-accent{ color: var(--accent); text-shadow: var(--glow-text); display: block; }
.line-white { color: var(--white); display: block; }
.hero-sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s var(--ease-out) forwards;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s var(--ease-out) forwards;
}
.hero-stats {
  position: absolute;
  right: var(--section-px);
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}
.stat { text-align: right; }
.stat-num {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--accent);
  text-shadow: var(--glow-cyan);
  line-height: 1;
  display: block;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
}
.hero-scroll-hint {
  position: absolute;
  left: var(--section-px);
  bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeIn 1s 1.5s forwards;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollPulse 2s ease-in-out infinite;
}
.scroll-text {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--muted);
  writing-mode: vertical-rl;
}
.ticker {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 11px 0;
  overflow: hidden;
  position: relative;
  z-index: var(--z-base);
}
.ticker-track {
  display: flex;
  gap: 80px;
  white-space: nowrap;
  animation: tickerScroll 35s linear infinite;
  width: max-content;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ticker-tag { letter-spacing: 1px; }
.tag-alert  { color: var(--accent4); }
.tag-cve    { color: var(--accent); }
.tag-breach { color: var(--accent2); }
.tag-tip    { color: var(--accent3); }
.tag-tool   { color: var(--text-dim); }
.section {
  padding: var(--space-3xl) var(--section-px);
  position: relative;
  z-index: var(--z-base);
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-alt {
  max-width: 100%;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-3xl) var(--section-px);
}
.section-alt > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}
.section-header { margin-bottom: 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.5vw, 76px);
  letter-spacing: 3px;
  color: var(--white);
  line-height: 1;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 50px;
}
.divider {
  height: 1px;
  background: linear-gradient(to right, rgba(0,229,255,0.4), transparent);
  margin-bottom: 50px;
}
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
}
.terminal-section {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.terminal-text .section-sub { margin-bottom: 24px; }
.terminal-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.feature-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
}
.feature-icon { font-size: 16px; }
.filter-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.tab {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 8px 18px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: none;
  transition: all var(--t-mid);
  border-radius: var(--radius-sm);
}
.tab:hover { color: var(--text); border-color: var(--border2); }
.tab.active { color: var(--accent); border-color: var(--accent); background: rgba(0,229,255,0.06); }
.articles-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2px;
}
.threat-map {
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}
.map-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 36px 36px 20px;
  border-bottom: 1px solid var(--border);
}
.map-status { text-align: right; }
.map-live {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent3);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.map-update {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
}
.map-canvas {
  display: block;
  width: 100%;
  height: 220px;
}
.threat-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border-top: 1px solid var(--border);
}
.t-stat {
  background: rgba(0,229,255,0.02);
  padding: 24px 20px;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--t-mid);
}
.t-stat:last-child { border-right: none; }
.t-stat:hover { background: rgba(0,229,255,0.05); }
.t-stat-num {
  font-family: var(--font-display);
  font-size: 38px;
  color: var(--accent);
  text-shadow: var(--glow-cyan);
  line-height: 1;
  display: block;
}
.t-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 4px;
}
.newsletter {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: var(--space-2xl) var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.newsletter-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 54px);
  letter-spacing: 3px;
  color: var(--white);
  margin-bottom: 12px;
}
.newsletter p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }
.input-group { display: flex; }
.email-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-right: none;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  letter-spacing: 1px;
  transition: border-color var(--t-mid);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.email-input:focus { border-color: var(--accent); }
.email-input::placeholder { color: var(--muted); }
.email-input.error { border-color: var(--accent2); }
.btn-subscribe {
  background: var(--accent);
  color: var(--bg);
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background var(--t-mid);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.btn-subscribe:hover { background: var(--accent-dim); }
.newsletter-note {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
  margin-top: 10px;
}
.newsletter-note.success { color: var(--accent3); }
.newsletter-note.error   { color: var(--accent2); }

/* footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px var(--section-px);
  position: relative;
  z-index: var(--z-base);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 5px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
}
.footer-nav ul {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  transition: color var(--t-fast);
}
.footer-nav a:hover { color: var(--accent); }
.footer-copy {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
}
.footer-hash { color: var(--border2); margin-top: 4px; }
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--accent);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
  transition: all var(--t-mid);
  opacity: 0;
  transform: translateY(10px);
}
.back-to-top:not([hidden]) {
  opacity: 1;
  transform: none;
}
.back-to-top:hover {
  background: var(--surface2);
  border-color: var(--accent);
  box-shadow: var(--glow-cyan);
}
.toast-container {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  letter-spacing: 1px;
  white-space: nowrap;
  animation: toastIn 0.3s var(--ease-out) forwards;
}
.toast.out { animation: toastOut 0.3s var(--ease-in) forwards; }
.toast.error { border-left-color: var(--accent2); }
.toast.success { border-left-color: var(--accent3); }