:root {
  --bg-dark: #0f1116;
  --bg-card: #191c24;
  --bg-elevated: #222633;
  --text-primary: #f4f4f5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #f59e0b;
  --accent-bright: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --hivis: #84cc16;
  --hivis-glow: rgba(132, 204, 22, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'DM Sans', -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 0.85rem;
  color: var(--accent-bright);
  font-weight: 500;
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}

.hero-badge span.dot {
  width: 8px;
  height: 8px;
  background: var(--hivis);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  max-width: 800px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.03em;
}

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

.hero .lede {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.hero-features {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero-feature .icon {
  width: 32px;
  height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.problem-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.problem h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 700px;
}

.problem .desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 1.5rem;
  max-width: 620px;
  line-height: 1.75;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.problem-card .card-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.problem-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---- FEATURES ---- */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--hivis);
  margin-bottom: 1.5rem;
}

.features h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 600px;
  margin-bottom: 3.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.feature-card .feature-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--bg-elevated);
  position: absolute;
  top: 1.25rem;
  right: 1.75rem;
  line-height: 1;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 380px;
}

.feature-card .feature-tag {
  display: inline-block;
  margin-top: 1.25rem;
  background: var(--accent-glow);
  color: var(--accent-bright);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* ---- NUMBERS ---- */
.numbers {
  padding: 5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.number-item .big {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.number-item .label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* ---- CLOSING ---- */
.closing {
  padding: 6rem 2rem 4rem;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.closing p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 1.25rem;
  line-height: 1.75;
}

.closing .vision-line {
  display: inline-block;
  margin-top: 2rem;
  color: var(--accent-bright);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

/* ---- FOOTER ---- */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  max-width: 700px;
  margin: 0 auto;
}

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

.footer .footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .hero {
    padding: 4rem 1.5rem 3rem;
  }

  .problem,
  .features,
  .numbers,
  .closing {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .feature-card {
    padding: 2rem;
  }
}