:root {
  --bg: #090e17;
  --surface: #111a28;
  --surface-border: #1e293b;
  --primary: #f43f5e;
  --primary-glow: rgba(244, 63, 94, 0.2);
  --accent: #38bdf8;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --code-bg: #030712;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* Glow Background Effects */
.glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.glow-1 {
  background: radial-gradient(circle, rgba(244, 63, 94, 0.15) 0%, transparent 70%);
  top: -100px;
  left: 20%;
}
.glow-2 {
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
  top: 500px;
  right: 10%;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  background: rgba(9, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-border);
  z-index: 100;
  padding: 1rem 2rem;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-badge {
  background: linear-gradient(135deg, #e11d48, #f43f5e);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-family: var(--font-mono);
}
.logo-title {
  font-weight: 800;
  font-size: 1.25rem;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav-links a:hover {
  color: var(--primary);
}
.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  color: var(--text-main) !important;
}
.github-btn:hover {
  border-color: var(--primary);
}

/* Main */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
  position: relative;
  z-index: 1;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 5rem;
}
.hero-badge {
  display: inline-block;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 2.5rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  padding: 1.25rem;
  border-radius: 12px;
  text-align: center;
}
.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Section */
.section {
  margin-bottom: 5rem;
}
.section-header {
  margin-bottom: 2rem;
}
.section-tag {
  color: var(--primary);
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.5rem;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Presets */
.preset-categories {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.cat-btn {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.cat-btn.active, .cat-btn:hover {
  background: rgba(244, 63, 94, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}
.preset-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.preset-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}
.preset-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
}
.badge-codec {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}
.preset-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.preset-specs {
  display: flex;
  gap: 1rem;
  border-top: 1px solid var(--surface-border);
  padding-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Crop & Scaling Studio */
.studio-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 1.75rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
}
@media (max-width: 768px) {
  .studio-card { grid-template-columns: 1fr; }
}
.studio-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}
.autocrop-btn {
  background: linear-gradient(135deg, #e11d48, #f43f5e);
  color: #fff;
  border: none;
  padding: 0.75rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.5rem;
}
.studio-preview-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.preview-box-outer {
  width: 100%;
  max-width: 480px;
  height: 270px;
  background: #030712;
  border: 2px dashed var(--surface-border);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.black-bar {
  position: absolute;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2;
  transition: all 0.15s ease;
}
.black-bar.top { top: 0; left: 0; right: 0; height: 0; border-bottom: 1px solid #e11d48; }
.black-bar.bot { bottom: 0; left: 0; right: 0; height: 0; border-top: 1px solid #e11d48; }
.black-bar.left { top: 0; bottom: 0; left: 0; width: 0; border-right: 1px solid #e11d48; }
.black-bar.right { top: 0; bottom: 0; right: 0; width: 0; border-left: 1px solid #e11d48; }
.active-video-area {
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.res-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}
.geom-summary {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CLI Builder */
.builder-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 1.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 768px) {
  .builder-card { grid-template-columns: 1fr; }
}
.builder-inputs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.input-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}
.text-input, .select-input {
  background: #030712;
  border: 1px solid var(--surface-border);
  color: #fff;
  padding: 0.6rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
}
.toggles-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.builder-output {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.output-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.cli-code {
  background: #030712;
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #38bdf8;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 120px;
}
.copy-btn {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: #fff;
  padding: 0.6rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1rem;
  transition: all 0.2s;
}
.copy-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Queue Simulator */
.queue-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 1.75rem;
}
.queue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--surface-border);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}
.status-badge {
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  margin-right: 0.75rem;
}
.status-badge.idle { background: rgba(148, 163, 184, 0.2); color: var(--text-muted); }
.status-badge.running { background: rgba(244, 63, 94, 0.2); color: var(--primary); }
.start-queue-btn {
  background: linear-gradient(135deg, #e11d48, #f43f5e);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}
.queue-jobs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.job-item {
  background: #030712;
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  padding: 1rem;
}
.job-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.job-telemetry {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.progress-bar-track {
  width: 100%;
  height: 6px;
  background: #1e293b;
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, #38bdf8, #f43f5e);
  transition: width 0.1s linear;
}

/* Code */
.code-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.code-card {
  background: var(--code-bg);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  overflow: hidden;
}
.code-header {
  background: #111827;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--surface-border);
}
pre {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow-x: auto;
  line-height: 1.5;
}
.comment { color: #64748b; }
.keyword { color: #f43f5e; }
.fn { color: #38bdf8; }
.string { color: #10b981; }
.macro { color: #eab308; }

/* Footer */
.footer {
  border-top: 1px solid var(--surface-border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}