:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #161d2e;
  --bg-card-hover: #1c2438;
  --fg-primary: #e8ecf4;
  --fg-secondary: #8892a8;
  --fg-muted: #5b6580;
  --accent: #22d97f;
  --accent-dim: rgba(34, 217, 127, 0.12);
  --accent-glow: rgba(34, 217, 127, 0.25);
  --border: rgba(136, 146, 168, 0.12);
  --radius: 12px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HERO ── */
.hero {
  padding: 120px 0 80px;
  text-align: left;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(34, 217, 127, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 24px;
  max-width: 700px;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 540px;
  line-height: 1.7;
}

/* ── OPERATIONS GRID ── */
.ops-section {
  padding: 80px 0;
}

.section-label {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  margin-bottom: 48px;
  max-width: 600px;
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ops-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.ops-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 217, 127, 0.15);
}

.ops-card .card-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
  display: block;
}

.ops-card h3 {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 8px;
}

.ops-card p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ── COMPARISON ── */
.compare-section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.compare-col {
  padding: 32px;
  border-radius: var(--radius);
}

.compare-col.old {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.compare-col.new {
  background: var(--accent-dim);
  border: 1px solid rgba(34, 217, 127, 0.2);
}

.compare-col h3 {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.compare-col.old h3 {
  color: var(--fg-muted);
}

.compare-col.new h3 {
  color: var(--accent);
}

.compare-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-col ul li {
  font-size: 0.9rem;
  line-height: 1.5;
  padding-left: 24px;
  position: relative;
}

.compare-col.old ul li {
  color: var(--fg-muted);
}

.compare-col.old ul li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-size: 0.8rem;
}

.compare-col.new ul li {
  color: var(--fg-primary);
}

.compare-col.new ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ── CLOSING ── */
.closing {
  padding: 100px 0 60px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing h2 {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  margin-bottom: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── FOOTER ── */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

footer p {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

footer .footer-name {
  font-family: 'Space Grotesk', monospace, sans-serif;
  font-weight: 600;
  color: var(--fg-secondary);
}

/* ── HERO CTA ── */
.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: #0a0e17;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
  font-family: 'Space Grotesk', monospace, sans-serif;
}

.cta-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero {
    padding: 80px 0 60px;
  }

  .ops-grid {
    grid-template-columns: 1fr;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.2rem;
  }
}