:root {
  --bg: #0a0a0c;
  --bg-elevated: #131318;
  --bg-card: #1a1a22;
  --fg: #e8e6e3;
  --fg-muted: #8a8892;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --green: #4ecb71;
  --red: #ff4757;
  --yellow: #ffc048;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1100px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 80px 24px 60px;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, rgba(255,107,53,0.08) 0%, transparent 60%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  border: 1px solid rgba(255,107,53,0.3);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  max-width: 560px;
  font-size: 1.15rem;
  color: var(--fg-muted);
  margin: 0 auto 48px;
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Terminal */
.hero-visual {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.terminal {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-title {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--fg-muted);
  margin-left: auto;
  margin-right: auto;
}

.terminal-body {
  padding: 20px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  line-height: 2;
}

.terminal-body .line {
  color: var(--fg-muted);
}

.terminal-body .line .time {
  color: var(--green);
  margin-right: 12px;
}

.terminal-body .line.active {
  color: var(--accent);
}

.blink {
  animation: blink 1.2s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.4; }
}

/* PROBLEM */
.problem {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.problem-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 48px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  padding: 36px;
  border-radius: 16px;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.04);
}

.problem-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* FEATURES */
.features {
  padding: 120px 24px;
}

.features-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 12px;
}

.features-sub {
  text-align: center;
  color: var(--fg-muted);
  margin-bottom: 56px;
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 36px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(255,107,53,0.2);
}

.feature-card.large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255,107,53,0.04) 100%);
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* HOW */
.how {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.how-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 64px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 640px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(255,107,53,0.2);
  line-height: 1;
  flex-shrink: 0;
  min-width: 70px;
}

.step-text h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step-text p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* CLOSING */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 100%, rgba(255,107,53,0.06) 0%, transparent 60%);
}

.closing-content {
  max-width: 660px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
  line-height: 1.7;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
}

/* FOOTER */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

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

/* MOBILE */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card.large {
    grid-column: span 1;
  }
  .step {
    flex-direction: column;
    gap: 12px;
  }
  .step-num {
    font-size: 2rem;
  }
  .hero {
    padding: 60px 20px 40px;
    min-height: auto;
  }
  .terminal-body {
    font-size: 11px;
    padding: 14px;
  }
  .footer-content {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}