:root {
  --bg: #09090b;
  --bg-elevated: #131316;
  --bg-card: #18181b;
  --fg: #fafafa;
  --fg-muted: #a1a1aa;
  --fg-dim: #52525b;
  --accent: #c084fc;
  --accent-bright: #e879f9;
  --accent-glow: rgba(192, 132, 252, 0.15);
  --accent-secondary: #22d3ee;
  --border: #27272a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

.hero-visual {
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: 15%;
  right: 10%;
  animation: drift 12s ease-in-out infinite;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-secondary);
  top: 45%;
  right: 30%;
  animation: drift 16s ease-in-out infinite reverse;
}

.orb-3 {
  width: 200px;
  height: 200px;
  background: var(--accent-bright);
  top: 25%;
  right: 50%;
  animation: drift 10s ease-in-out infinite;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
}

.manifesto-kicker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.manifesto-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--fg-muted);
  margin-bottom: 3rem;
}

.manifesto-text strong {
  color: var(--fg);
  font-weight: 600;
}

.manifesto-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  margin-bottom: 2rem;
}

.manifesto-answer {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--fg);
}

/* ===== VERTICALS ===== */
.verticals {
  padding: 6rem 2rem 8rem;
  max-width: 1200px;
  margin: 0 auto;
}

.verticals-header {
  margin-bottom: 4rem;
}

.section-kicker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.verticals-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.vertical-card {
  background: var(--bg);
  padding: 2.5rem;
  position: relative;
  transition: background 0.3s;
}

.vertical-card:hover {
  background: var(--bg-elevated);
}

.card-wide {
  grid-column: span 2;
}

.card-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg-dim);
  margin-bottom: 1.25rem;
  letter-spacing: 0.1em;
}

.vertical-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.vertical-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== ARCHITECTURE ===== */
.architecture {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.arch-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.arch-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.arch-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.arch-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

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

.step-marker {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  margin-top: 7px;
  box-shadow: 0 0 12px var(--accent-glow);
}

.arch-step p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 10rem 2rem;
  text-align: center;
  position: relative;
}

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

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

.closing-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

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

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 5rem 1.5rem 4rem;
  }

  .hero-visual {
    width: 100%;
    right: -20%;
    opacity: 0.5;
  }

  .manifesto { padding: 5rem 1.5rem; }

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

  .card-wide {
    grid-column: span 1;
  }

  .arch-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .architecture { padding: 5rem 1.5rem; }
  .closing { padding: 6rem 1.5rem; }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 3rem;
  }

  .vertical-card {
    padding: 2rem 1.5rem;
  }
}