/* ═══════════════════════════════════════════════════════════════
   LandingPage.css — Premium cyberpunk landing page
   ═══════════════════════════════════════════════════════════════ */

.landing-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: transparent;
  overflow: hidden;
}

/* ── Cinematic Overlays ────────────────────────────────────── */
.vignette-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 20%, rgba(10, 14, 26, 0.4) 50%, rgba(10, 14, 26, 0.8) 100%);
  pointer-events: none;
  z-index: 1;
}

.ambient-light {
  position: absolute;
  width: 150%;
  height: 150%;
  top: -25%;
  left: -25%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
  animation: ambient-float 20s ease-in-out infinite alternate;
}

@keyframes ambient-float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, -5%) scale(1.1); }
}


/* ── Header ────────────────────────────────────────────────── */
.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  position: relative;
  z-index: var(--z-card);
  border-bottom: 1px solid var(--border-primary);
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(16px);
}

.landing-header .header-logo {
  transition: opacity var(--transition-fast);
}

.landing-header .header-logo:hover {
  opacity: 0.85;
}

/* ── Hero ──────────────────────────────────────────────────── */
.landing-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  z-index: var(--z-card);
}

.hero-section {
  text-align: center;
  max-width: 760px;
  margin-bottom: var(--space-2xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 7px 18px;
  background: rgba(0, 240, 255, 0.07);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.08), inset 0 0 16px rgba(0, 240, 255, 0.03);
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.07;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
  letter-spacing: -0.03em;
  text-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}

.hero-gradient {
  background: linear-gradient(120deg, var(--cyan) 0%, #4da6ff 45%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradient-pan 4s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 15px var(--cyan-glow));
}

@keyframes gradient-pan {
  from { background-position: 0% center; }
  to   { background-position: 100% center; }
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}


.hero-section .privacy-banner {
  display: inline-flex;
  margin: 0 auto;
}

/* ── Input Section ─────────────────────────────────────────── */
.input-section {
  width: 100%;
  max-width: 700px;
  margin-bottom: var(--space-2xl);
}

.input-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  padding: 4px;
  background: var(--bg-secondary);
  border-radius: calc(var(--radius-md) + 4px);
  border: 1px solid var(--border-primary);
}

.input-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 11px 20px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.input-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.input-tab.active {
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  box-shadow: inset 0 0 12px rgba(0, 240, 255, 0.08);
}

.input-area {
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  border-color: rgba(255, 255, 255, 0.07);
  background: rgba(13, 18, 37, 0.9);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input-area:focus-within {
  border-color: rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.1), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.url-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.url-input-wrapper .input-icon {
  font-size: 1.2rem;
  opacity: 0.5;
  flex-shrink: 0;
}

.url-input-wrapper .input-field {
  flex: 1;
  background: transparent;
  border: none;
  padding: 8px 0;
  font-size: 0.95rem;
  box-shadow: none !important;
}

.url-input-wrapper .input-field:focus {
  box-shadow: none !important;
}

.code-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.code-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.language-select {
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
}

.language-select:focus {
  border-color: var(--cyan);
}

.language-select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.line-count {
  font-size: 0.72rem;
}

.input-area .code-editor {
  min-height: 180px;
  background: transparent;
  border: none;
  padding: 8px 0;
  font-size: 0.82rem;
  box-shadow: none !important;
}

.input-area .code-editor:focus {
  box-shadow: none !important;
}

/* ── Scan Button ───────────────────────────────────────────── */
.input-section .scan-btn {
  width: 100%;
  font-size: 1rem;
  letter-spacing: 0.08em;
  padding: 20px 48px;
}

.scan-spinner {
  display: inline-block;
  animation: rotate-slow 0.8s linear infinite;
  font-size: 1.2rem;
}

/* ── Feature Cards ─────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 920px;
  width: 100%;
}

.feature-card {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:nth-child(1)::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
}
.feature-card:nth-child(2)::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
}
.feature-card:nth-child(3)::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
}

.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.feature-card:nth-child(1):hover { border-color: rgba(0, 240, 255, 0.25); }
.feature-card:nth-child(2):hover { border-color: rgba(139, 92, 246, 0.25); }
.feature-card:nth-child(3):hover { border-color: rgba(0, 255, 136, 0.25); }

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto var(--space-md);
}

.feature-card:nth-child(1) .feature-icon-wrap {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
}
.feature-card:nth-child(2) .feature-icon-wrap {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
}
.feature-card:nth-child(3) .feature-icon-wrap {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.feature-card h4 {
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  line-height: 1.55;
}

/* ── Stats Strip ───────────────────────────────────────────── */
.stats-strip {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  justify-content: center;
  margin-top: var(--space-xl);
  padding: var(--space-md) var(--space-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
}

.stats-strip-item {
  text-align: center;
}

.stats-strip-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 4px;
}

.stats-strip-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stats-strip-divider {
  width: 1px;
  height: 32px;
  background: var(--border-primary);
}

/* ── Footer ────────────────────────────────────────────────── */
.landing-footer {
  padding: var(--space-md) var(--space-xl);
  text-align: center;
  position: relative;
  z-index: var(--z-card);
  border-top: 1px solid var(--border-primary);
  background: rgba(10, 14, 26, 0.5);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer-powered strong { color: var(--cyan); }
.footer-divider { opacity: 0.25; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .stats-strip { flex-direction: column; gap: var(--space-md); }
  .stats-strip-divider { width: 40px; height: 1px; }
  .footer-content { flex-direction: column; gap: var(--space-sm); }
  .footer-divider { display: none; }
}