/* NAV */
.topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* HERO */
.hero {
  padding: 140px 32px 80px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text);
}
.teal-text { color: var(--teal); }
.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
}
.code-snippet {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 14px;
  color: var(--text-muted);
}
.prompt-char { color: var(--teal); }
.cursor {
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--teal);
  animation: blink 1s infinite;
  margin-left: 2px;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* PR CARD */
.pr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
}
.pr-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
}
.pr-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.pr-badge {
  font-size: 11px;
  color: var(--teal);
  background: rgba(0, 229, 160, 0.1);
  padding: 3px 10px;
  border-radius: 12px;
}
.pr-meta { font-size: 11px; color: var(--text-muted); }
.pr-title { font-size: 17px; font-weight: 600; margin-bottom: 14px; color: var(--text); }
.pr-author-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3a3aff, #7a3aff);
}
.pr-findings { padding: 16px 28px; display: flex; flex-direction: column; gap: 12px; }
.finding {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
}
.finding-sev-high { border-left: 3px solid var(--red); background: rgba(255, 77, 109, 0.05); }
.finding-sev-med { border-left: 3px solid var(--amber); background: rgba(255, 179, 64, 0.05); }
.finding-sev-low { border-left: 3px solid var(--teal); background: rgba(0, 229, 160, 0.03); }
.finding-auto { border-left: 3px solid #3A3A4A; }
.sev-icon { margin-top: 2px; flex-shrink: 0; }
.finding-text { display: flex; flex-direction: column; gap: 2px; }
.finding-title { font-size: 13px; font-weight: 500; color: var(--text); }
.finding-file { font-size: 11px; color: var(--text-muted); }
.pr-footer {
  padding: 14px 28px;
  border-top: 1px solid var(--border);
}
.reviewed-by {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--teal);
}

/* STATS */
.stats-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 32px;
}
.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.stat-label { font-size: 13px; color: var(--text-muted); max-width: 180px; line-height: 1.4; }
.stat-divider { width: 1px; height: 48px; background: var(--border); flex-shrink: 0; }

/* SECTIONS */
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  display: block;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* HOW */
.how { padding: 100px 32px; max-width: 1200px; margin: 0 auto; }
.steps { display: flex; align-items: flex-start; gap: 0; }
.step { flex: 1; padding: 0 40px; }
.step:first-child { padding-left: 0; }
.step:last-child { padding-right: 0; }
.step-connector { flex-shrink: 0; padding-top: 24px; display: flex; align-items: center; }
.step-num {
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-desc { font-size: 15px; color: var(--text-muted); line-height: 1.65; }

/* DIFFERENCE */
.difference { padding: 100px 32px; border-top: 1px solid var(--border); }
.diff-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.diff-body { font-size: 16px; color: var(--text-muted); margin-top: 24px; line-height: 1.65; }
.comparison { display: flex; flex-direction: column; }
.comp-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.comp-col-label { font-size: 11px; letter-spacing: 0.08em; color: var(--text-muted); }
.comp-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.comp-item { font-size: 14px; line-height: 1.4; }
.comp-item:not(.teal-text) { color: var(--text-muted); }
.comp-item.teal-text { font-weight: 500; }

/* PRINCIPLES */
.principles { padding: 100px 32px; border-top: 1px solid var(--border); }
.principles-header { text-align: center; margin-bottom: 64px; }
.principles-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.principle {
  padding: 48px;
  border: 1px solid var(--border);
  margin: -1px 0 0 -1px;
}
.principle-icon { margin-bottom: 20px; }
.principle-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.principle-desc { font-size: 15px; color: var(--text-muted); line-height: 1.65; }

/* CLOSING */
.closing {
  padding: 120px 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-visual {
  margin-bottom: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.pulse-ring {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 160, 0.3);
  animation: ring-pulse 3s infinite;
}
@keyframes ring-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.8); opacity: 0; }
}
.pulse-core { position: relative; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing-sub { font-size: 17px; color: var(--text-muted); line-height: 1.65; margin-bottom: 48px; }
.closing-tagline {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  gap: 8px;
}
.tagline-label { color: var(--teal); }

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.footer-tagline { font-size: 13px; color: var(--text-muted); }

/* UTILITY */
.font-mono { font-family: var(--font-mono); }

/* MOBILE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 100px 24px 60px; }
  .diff-grid { grid-template-columns: 1fr; gap: 48px; }
  .principles-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; gap: 32px; }
  .step { padding: 0 !important; }
  .step-connector { display: none; }
  .stats-inner { flex-direction: column; gap: 24px; }
  .stat-divider { display: none; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}