:root {
  --bg: #0d0f11;
  --surface: #141719;
  --surface-2: #1c1f24;
  --border: #2a2d35;
  --fg: #f0f0f0;
  --fg-muted: #7a7f8a;
  --fg-dim: #4a4f5a;
  --accent: #f59e0b;
  --accent-dim: #b45309;
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1160px;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 17, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.125rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}

nav {
  display: flex;
  gap: 2rem;
}

nav a {
  font-size: 0.875rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

nav a:hover { color: var(--fg); }

/* SHARED */
.label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

h2 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--fg);
}

/* HERO */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--fg);
}

.hero-left {
  padding-top: 1rem;
}

.hero-right {
  padding-top: 0.5rem;
}

.hero-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 2rem;
  display: block;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* SHIFT */
.shift {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}

.shift-header {
  margin-bottom: 3rem;
}

.shift-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 3rem;
  align-items: start;
}

.shift-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.shift-col-label {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.old-label { color: var(--fg-dim); }
.new-label { color: var(--accent); }

.label-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

.old-label .label-tag { background: var(--surface-2); color: var(--fg-dim); }
.new-label .label-tag { background: rgba(245,158,11,0.15); color: var(--accent); }

.shift-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shift-list li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 1.25rem;
  position: relative;
}

.shift-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--border);
}

.shift-col--new .shift-list li::before { background: var(--accent); }

/* CAPABILITIES */
.capabilities {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}

.capabilities h2 { margin-bottom: 3rem; }

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  transition: border-color 0.3s;
}

.cap-card:hover { border-color: var(--fg-dim); }

.cap-card--featured {
  border-color: rgba(245,158,11,0.35);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(245,158,11,0.04) 100%);
}

.cap-icon {
  width: 48px;
  height: 48px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.cap-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.cap-card p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.cap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cap-list li {
  font-size: 0.8rem;
  color: var(--fg-muted);
  padding-left: 1rem;
  position: relative;
}

.cap-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* HOW */
.how {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}

.how h2 { margin-bottom: 3rem; }

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.how-step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 0.3rem;
  letter-spacing: 0.05em;
}

.step-content h4 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  max-width: 480px;
}

/* CLOSING */
.closing {
  max-width: 800px;
  margin: 0 auto;
  padding: 7rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing-statement {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin-top: 0.5rem;
}

.footer-copy a {
  color: var(--fg-muted);
  text-decoration: none;
}

.footer-copy a:hover { color: var(--fg); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 3rem 1.5rem 4rem;
    gap: 2.5rem;
  }

  .hero-headline { font-size: clamp(2.5rem, 10vw, 4rem); }

  .shift-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .shift-divider { display: none; }

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

  .header-inner { padding: 1rem 1.5rem; }
  nav { gap: 1.25rem; }

  .how-step {
    grid-template-columns: 2.5rem 1fr;
    gap: 1.25rem;
  }

  .capabilities, .shift, .how { padding: 3.5rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  nav a { font-size: 0.8rem; }
  .hero-stats { gap: 1.25rem; }
  .stat-num { font-size: 1.5rem; }
}