/* ═══════════════════════════════════════════════════
   CRYPTID MARKETING SITE — STYLESHEET
   R57 Labs · cryptid.r57labs.com
═══════════════════════════════════════════════════ */

:root {
  --bg:          #0a0b0f;
  --bg-2:        #0f1117;
  --bg-3:        #141720;
  --bg-card:     #12141c;
  --border:      rgba(255,255,255,0.07);
  --border-glow: rgba(255,107,0,0.25);
  --orange:      #ff6b00;
  --orange-dim:  rgba(255,107,0,0.15);
  --orange-glow: rgba(255,107,0,0.08);
  --green:       #22c55e;
  --green-dim:   rgba(34,197,94,0.15);
  --yellow:      #eab308;
  --yellow-dim:  rgba(234,179,8,0.15);
  --red:         #ef4444;
  --red-dim:     rgba(239,68,68,0.15);
  --text:        #e8eaf0;
  --text-dim:    #8b8fa8;
  --text-dimmer: #4a4e63;
  --mono:        'Space Mono', monospace;
  --sans:        'Space Grotesk', sans-serif;
  --radius:      8px;
  --radius-lg:   16px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Background Canvas ── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: rgba(10,11,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img { height: 36px; width: auto; filter: brightness(1.1); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  display: flex !important;
  align-items: center;
  gap: 0.4rem;
  color: var(--text) !important;
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem !important;
  transition: border-color 0.2s, background 0.2s !important;
}
.nav-cta:hover {
  border-color: var(--orange) !important;
  background: var(--orange-dim) !important;
  color: var(--text) !important;
}

/* ── Hero ── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-family: var(--mono);
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.badge-dot {
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.mono-accent {
  font-family: var(--mono);
  background: linear-gradient(135deg, #fff 30%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}
.btn-primary:hover {
  background: #ff8533;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255,107,0,0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--orange);
  background: var(--orange-dim);
}

.btn-outline {
  background: transparent;
  color: var(--orange);
  border: 1px solid var(--orange);
}
.btn-outline:hover {
  background: var(--orange-dim);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

/* ── Terminal ── */
.hero-terminal {
  background: #0d0f16;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: left;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,107,0,0.05);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #0a0c12;
  border-bottom: 1px solid var(--border);
}

.t-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.t-red    { background: #ff5f57; }
.t-yellow { background: #febc2e; }
.t-green  { background: #28c840; }

.t-title {
  flex: 1;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dimmer);
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.9;
}

.t-line { display: block; }
.t-prompt { color: var(--orange); margin-right: 0.5rem; }
.t-dim { color: var(--text-dimmer); }
.t-pass { color: var(--green); }
.t-warn { color: var(--yellow); }
.t-fail { color: var(--red); }
.t-verdict-warn {
  display: block;
  color: var(--yellow);
  font-weight: 700;
  margin-top: 0.25rem;
}

/* ── Stats Bar ── */
.stats-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 2rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 2.5rem;
}

.stat-num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── Sections ── */
.section {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
}

.section-dark {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.section-intro {
  font-size: 1.0625rem;
  color: var(--text-dim);
  max-width: 680px;
  margin-bottom: 3rem;
  line-height: 1.75;
}

/* ── Two Column ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.two-col-reverse { direction: rtl; }
.two-col-reverse > * { direction: ltr; }

.col-text p {
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}
.col-text p:last-child { margin-bottom: 0; }
.col-text strong { color: var(--text); }
.col-text em { color: var(--text); font-style: italic; }

/* ── Threat Cards ── */
.col-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.threat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.threat-card:hover { border-color: rgba(255,255,255,0.12); }

.threat-icon { font-size: 1.25rem; }
.threat-name { flex: 1; font-size: 0.9375rem; font-weight: 500; }

.threat-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
}
.detectable {
  color: var(--green);
  background: var(--green-dim);
}
.not-detectable {
  color: var(--text-dimmer);
  background: rgba(255,255,255,0.04);
}

/* ── Tiers ── */
.tiers {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 3rem;
}

.tier {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.2s;
}
.tier:hover { border-color: var(--border-glow); }

.tier-connector {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 2rem;
}

.connector-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), var(--orange-dim), var(--border));
}

.connector-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tier-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.tier-num {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  opacity: 0.6;
}

.tier-name {
  font-size: 1.125rem;
  font-weight: 700;
}

.tier-sub {
  font-size: 0.8125rem;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-top: 0.125rem;
}

.tier-tests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.test-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.tier-desc {
  font-size: 0.9375rem;
  color: var(--text-dim);
  line-height: 1.75;
}
.tier-desc em { color: var(--text); }
.tier-desc strong { color: var(--text); }

/* ── Level Table ── */
.level-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.level-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.level-table th {
  text-align: left;
  padding: 1rem 1.5rem;
  font-size: 0.75rem;
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.level-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: middle;
}
.level-table tr:last-child td { border-bottom: none; }
.level-table tr:hover td { background: rgba(255,255,255,0.02); }

.level-badge {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.level-badge.quick    { color: var(--green);  background: var(--green-dim); }
.level-badge.standard { color: var(--orange); background: var(--orange-dim); }
.level-badge.full     { color: #a78bfa;       background: rgba(167,139,250,0.15); }

/* ── Findings Grid ── */
.findings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.finding-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.finding-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.finding-highlight {
  grid-column: 1 / -1;
  border-color: var(--border-glow);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255,107,0,0.04) 100%);
}

.finding-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.finding-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.875rem;
  line-height: 1.3;
}

.finding-card p {
  font-size: 0.9375rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 0.875rem;
}
.finding-card p:last-of-type { margin-bottom: 1rem; }

.finding-verdict {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.verdict-pass, .verdict-warn, .verdict-fail {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.verdict-pass { color: var(--green);  background: var(--green-dim); }
.verdict-warn { color: var(--yellow); background: var(--yellow-dim); }
.verdict-fail { color: var(--red);    background: var(--red-dim); }

/* ── Visualizations ── */
.viz-section { margin-top: 1rem; }

.viz-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.viz-desc {
  font-size: 0.9375rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  max-width: 600px;
}

.viz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.viz-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s;
}
.viz-item:hover { border-color: rgba(255,255,255,0.12); }

.viz-img {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--border);
}

.viz-caption {
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
  font-family: var(--mono);
  line-height: 1.5;
}

/* ── Code Steps ── */
.code-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.code-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange-dim);
  border: 1px solid var(--border-glow);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange);
  margin-top: 0.25rem;
}

.step-content { flex: 1; }

.step-label {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.code-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #0d0f16;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  overflow-x: auto;
}

.code-block code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--text);
  flex: 1;
  white-space: nowrap;
}

.code-block-sm { margin-bottom: 0.75rem; }

.copy-btn {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dimmer);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.copy-btn:hover {
  color: var(--orange);
  border-color: var(--orange);
}
.copy-btn.copied {
  color: var(--green);
  border-color: var(--green);
}

.input-formats h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.format-note {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
}
.format-note code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--orange);
  background: var(--orange-dim);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

/* ── AI Native Section ── */
.ai-native-section {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(255,107,0,0.03) 50%, var(--bg) 100%);
}

.ai-native-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.col-callout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.callout-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.callout-quote {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  font-style: italic;
  margin-bottom: 1rem;
  position: relative;
  padding-left: 1.25rem;
  border-left: 3px solid var(--orange);
}

.callout-source {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dimmer);
}

.callout-card-sm {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-color: var(--border);
}

.callout-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.125rem; }

.callout-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.callout-card-body {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.callout-link {
  font-size: 0.875rem;
  color: var(--orange);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}
.callout-link:hover { opacity: 0.8; }

/* ── Footer ── */
.footer {
  position: relative;
  z-index: 1;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 4rem 2rem;
}

.footer-inner {
  display: flex;
  gap: 4rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.footer-left {
  flex: 1;
  min-width: 220px;
}

.footer-logo { display: inline-flex; text-decoration: none; margin-bottom: 1rem; }
.footer-logo-img { height: 40px; width: auto; opacity: 0.85; }

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-dimmer);
  font-family: var(--mono);
}

.footer-links {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  min-width: 140px;
}

.footer-col-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dimmer);
  margin-bottom: 0.25rem;
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--orange); }

/* ── Hardware Testing Cards ── */
.hw-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 860px;
}

.hw-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
  min-width: 0;
  overflow: hidden;
}

/* Inside hw-cards, code blocks scroll horizontally and never overflow the card */
.hw-card .code-block {
  overflow-x: auto;
  max-width: 100%;
  box-sizing: border-box;
}

.hw-card .code-block code {
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
}
.hw-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.hw-card-tip {
  border-color: var(--border-glow);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255,107,0,0.04) 100%);
}

.hw-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hw-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.125rem; }

.hw-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.hw-card-sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--orange);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.hw-card-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.hw-card-desc code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--orange);
  background: var(--orange-dim);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.hw-card-note {
  font-size: 0.8125rem;
  color: var(--text-dimmer);
  margin-top: 0.75rem;
  line-height: 1.6;
  font-style: italic;
}

.code-block code .t-dim { color: var(--text-dimmer); }

/* ── Viz Expand Hint ── */
.viz-item {
  cursor: pointer;
}

.viz-expand {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.7rem;
  color: var(--orange);
  opacity: 0.7;
  letter-spacing: 0.05em;
  transition: opacity 0.2s;
}
.viz-item:hover .viz-expand { opacity: 1; }

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: pointer;
}
.lightbox.open { display: flex; }

.lightbox-inner {
  position: relative;
  max-width: 1200px;
  width: 100%;
  cursor: default;
  animation: lb-in 0.2s ease;
}

@keyframes lb-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.lightbox-close:hover {
  color: var(--text);
  border-color: var(--orange);
  background: var(--orange-dim);
}

.lightbox-img {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.lightbox-caption {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-top: 1rem;
  line-height: 1.5;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .two-col-reverse { direction: ltr; }
  .findings-grid { grid-template-columns: 1fr; }
  .finding-highlight { grid-column: 1; }
  .viz-grid { grid-template-columns: 1fr; }
  .stats-bar { gap: 0; }
  .stat-divider { display: none; }
  .stat-item { padding: 0.75rem 1.5rem; }
}

@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 6rem 1.25rem 3rem; }
  .section { padding: 4rem 1.25rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-inner { flex-direction: column; gap: 2.5rem; }
  .footer-links { gap: 2rem; }
}