:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --fg: #e8e4df;
  --fg-muted: #8a8680;
  --accent: #d4a053;
  --accent-glow: rgba(212, 160, 83, 0.15);
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;
  --max-w: 1100px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(212, 160, 83, 0.3);
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.problem-label,
.features-label,
.how-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.problem h2,
.features h2,
.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 3rem;
}

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

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.problem-stat {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}

.problem-desc {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- FEATURES ---- */
.features {
  padding: 6rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature-item:first-child {
  border-top: 1px solid rgba(255,255,255,0.06);
}

.feature-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  opacity: 0.6;
  min-width: 40px;
  padding-top: 0.15rem;
}

.feature-content h3 {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.feature-content p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 520px;
}

/* ---- HOW ---- */
.how {
  padding: 6rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 2rem;
  border-left: 2px solid rgba(212, 160, 83, 0.2);
}

.how-step {
  position: relative;
  padding: 2rem 0 2rem 2.5rem;
}

.how-step-marker {
  position: absolute;
  left: -2rem;
  top: 2.4rem;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}

.how-step-content h3 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.how-step-content p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 540px;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--fg);
}

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

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

  .feature-item {
    flex-direction: column;
    gap: 0.75rem;
  }

  .feature-number {
    min-width: auto;
  }

  .hero {
    min-height: 80vh;
    padding: 4rem 1.5rem 3rem;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 4rem 1.5rem;
  }

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

  .how-steps {
    padding-left: 1.5rem;
  }

  .how-step {
    padding-left: 1.5rem;
  }
}