:root {
  --bg: #0c0c0f;
  --surface: #141418;
  --surface-2: #1a1a1f;
  --border: #2a2a32;
  --text: #f4f4f5;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --lime: #b8ff47;
  --lime-dim: rgba(184, 255, 71, 0.1);
  --purple: #a78bfa;
  --pink: #f472b6;
}

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: rgba(12, 12, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(184,255,71,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-headline {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.7;
}

/* DASHBOARD PREVIEW */
.dashboard-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05),
    0 30px 60px -15px rgba(0,0,0,0.5),
    0 0 80px rgba(184,255,71,0.05);
}

.preview-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg);
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.preview-dots span:first-child { background: #ff5f57; }
.preview-dots span:nth-child(2) { background: #febc2e; }
.preview-dots span:nth-child(3) { background: #28c840; }

.preview-title {
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: 'Space Grotesk', sans-serif;
}

.preview-body {
  display: flex;
  height: 320px;
}

.preview-sidebar {
  width: 56px;
  border-right: 1px solid var(--border);
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--bg);
}

.sidebar-item {
  height: 32px;
  border-radius: 6px;
  background: var(--surface-2);
}

.sidebar-item.active {
  background: var(--lime-dim);
  border: 1px solid rgba(184,255,71,0.2);
}

.preview-main {
  flex: 1;
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.75rem;
}

.preview-card {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 0.875rem;
  position: relative;
  overflow: hidden;
}

.preview-card.featured {
  border: 1px solid rgba(184,255,71,0.3);
  background: linear-gradient(135deg, var(--surface-2) 0%, rgba(184,255,71,0.05) 100%);
}

.preview-card.highlight {
  border: 1px solid rgba(167,139,250,0.3);
}

.card-header {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  margin-bottom: 0.75rem;
  width: 60%;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-line {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
}

.card-line.long { width: 90%; }
.card-line.medium { width: 70%; }
.card-line.short { width: 50%; }

.card-ai-badge {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  font-size: 0.6rem;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--lime);
  background: rgba(184,255,71,0.1);
  padding: 2px 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.card-ai-badge span {
  width: 5px;
  height: 5px;
  background: var(--lime);
  border-radius: 50%;
}

/* FEATURES */
.features {
  padding: 6rem 2rem;
  background: var(--surface);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-headline {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-sub {
  text-align: center;
  color: var(--text-2);
  font-size: 1.1rem;
  margin-bottom: 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature {
  padding: 1.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature:hover {
  border-color: var(--lime);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--lime-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--lime);
}

.feature h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.feature p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* DIFFERENCE */
.difference {
  padding: 6rem 2rem;
  background: var(--bg);
}

.diff-content {
  max-width: 600px;
}

.diff-content .section-headline {
  text-align: left;
  margin-bottom: 1.5rem;
}

.diff-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.diff-points {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diff-point {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  color: var(--text);
}

.diff-marker {
  color: var(--lime);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}

/* INTELLIGENCE VISUAL */
.intelligence-visual {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intel-ring {
  position: absolute;
  border: 1px solid rgba(184,255,71,0.15);
  border-radius: 50%;
}

.ring-1 { width: 200px; height: 200px; }
.ring-2 { width: 260px; height: 260px; border-style: dashed; }
.ring-3 { width: 320px; height: 320px; }

.intel-core {
  width: 72px;
  height: 72px;
  background: var(--lime);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  box-shadow: 0 0 60px rgba(184,255,71,0.4);
}

.intel-label {
  position: absolute;
  bottom: 2rem;
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: 'Space Grotesk', sans-serif;
  text-align: center;
}

/* CLOSING */
.closing {
  padding: 8rem 2rem;
  background: var(--surface);
  text-align: center;
}

.closing-headline {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.closing-sub {
  color: var(--text-2);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 2.5rem 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: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.footer-links {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-content { margin: 0 auto; text-align: center; }
  .diff-content .section-headline { text-align: center; }
  .diff-points { align-items: center; }
  .intelligence-visual { margin: 3rem auto 0; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}