:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #e8e8e8;
  --fg-muted: #888888;
  --accent: #00e676;
  --accent-dim: rgba(0, 230, 118, 0.12);
  --accent-glow: rgba(0, 230, 118, 0.25);
  --border: #222222;
  --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;
}

/* ---- NAV ---- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--accent); }

/* ---- HERO ---- */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 230, 118, 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 500;
  width: fit-content;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  max-width: 800px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ---- PROBLEM ---- */
.problem {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(0, 230, 118, 0.3);
}

.problem-stat {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.problem-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ---- FEATURES ---- */
.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  max-width: 600px;
}

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

.feature-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-item:hover::before { opacity: 1; }

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- HOW IT WORKS ---- */
.how {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.how-step {
  position: relative;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 1rem;
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.how-step p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
}

.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.closing-statement em {
  font-style: normal;
  color: var(--accent);
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.footer-brand span { color: var(--accent); }

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 4rem 1.5rem 3rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .problem, .features, .how, .closing { padding: 3rem 1.5rem; }
  .footer { flex-direction: column; gap: 0.75rem; text-align: center; }
}