:root {
  --bg: #0c0e0d;
  --bg-warm: #121413;
  --fg: #e8e4dc;
  --fg-muted: #9a9589;
  --accent: #c4a24e;
  --accent-glow: #d4b85e;
  --safari-green: #3a6b4a;
  --safari-green-light: #4a8b5a;
  --red-warning: #c45c4e;
  --border: rgba(196, 162, 78, 0.15);
  --glass: rgba(255, 255, 255, 0.03);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 32px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(196, 162, 78, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(58, 107, 74, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
  background: var(--glass);
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--safari-green-light);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-lede {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}

/* --- SPECIMEN CARD --- */
.specimen {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  max-width: 620px;
  position: relative;
}

.specimen-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.specimen-input {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg-muted);
  font-style: italic;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.specimen-output {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.specimen-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.specimen-key {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--safari-green-light);
  min-width: 120px;
  flex-shrink: 0;
}

.specimen-value {
  font-size: 14px;
  color: var(--fg);
  line-height: 1.6;
}

.specimen-warning {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(196, 92, 78, 0.08);
  border-left: 3px solid var(--red-warning);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.specimen-warning strong {
  color: var(--red-warning);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- FEATURES / WHAT IT DECODES --- */
.features {
  padding: 120px 32px;
  position: relative;
}

.features-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 700px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.feature-card {
  background: var(--bg-warm);
  padding: 40px 32px;
  position: relative;
  transition: background 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.04);
}

.feature-card:first-child { border-radius: 12px 0 0 0; }
.feature-card:nth-child(3) { border-radius: 0 12px 0 0; }
.feature-card:nth-child(4) { border-radius: 0 0 0 12px; }
.feature-card:last-child { border-radius: 0 0 12px 0; }

.feature-icon {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.7;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* --- DISTINCTIONS --- */
.distinctions {
  padding: 100px 32px;
  background: var(--bg-warm);
}

.distinctions-inner {
  max-width: 800px;
  margin: 0 auto;
}

.distinctions h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.distinction-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.distinction-item {
  display: grid;
  grid-template-columns: 1fr 24px 1fr;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.distinction-left {
  font-size: 15px;
  color: var(--fg-muted);
  text-align: right;
  padding-right: 20px;
}

.distinction-vs {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  text-align: center;
  letter-spacing: 0.1em;
}

.distinction-right {
  font-size: 15px;
  color: var(--fg);
  font-weight: 600;
  padding-left: 20px;
}

/* --- CLOSING --- */
.closing {
  padding: 120px 32px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.closing h2 em {
  font-style: normal;
  color: var(--accent);
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto;
}

/* --- FOOTER --- */
footer {
  padding: 48px 32px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-sep {
  margin: 0 16px;
  color: var(--border);
}

.footer-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--fg-muted);
  opacity: 0.5;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1px;
  }
  .feature-card { border-radius: 0 !important; }
  .feature-card:first-child { border-radius: 12px 12px 0 0 !important; }
  .feature-card:last-child { border-radius: 0 0 12px 12px !important; }

  .distinction-item {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 4px;
  }
  .distinction-left {
    text-align: left;
    padding-right: 0;
    font-size: 13px;
  }
  .distinction-vs { display: none; }
  .distinction-right {
    padding-left: 0;
  }

  .specimen-row {
    flex-direction: column;
    gap: 4px;
  }
  .specimen-key { min-width: auto; }

  .hero { padding: 80px 20px 60px; }
  .features, .distinctions, .closing { padding: 80px 20px; }
}