:root {
  --bg: #0D1B2A;
  --bg-warm: #1B2838;
  --bg-card: #1E2D3D;
  --fg: #E8E4DF;
  --fg-muted: #9BA8B4;
  --accent: #E8A838;
  --accent-soft: rgba(232, 168, 56, 0.12);
  --accent-glow: rgba(232, 168, 56, 0.25);
  --warm: #D4826A;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --max-w: 1120px;
  --space: clamp(1.5rem, 5vw, 4rem);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem var(--space);
  background: rgba(13, 27, 42, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}

/* ---- HERO ---- */
.hero {
  padding: 10rem var(--space) 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 2rem;
  border: 1px solid rgba(232, 168, 56, 0.2);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.5rem;
  max-width: 700px;
}
.hero h1 em {
  color: var(--accent);
  font-style: italic;
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* Stats Row */
.hero-stat-row {
  max-width: var(--max-w);
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ---- PROBLEM ---- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.problem {
  padding: 6rem var(--space);
}
.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.problem-inner h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 3rem;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s;
}
.problem-card:hover {
  border-color: rgba(232, 168, 56, 0.3);
}
.problem-icon {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--warm);
  margin-bottom: 1rem;
  opacity: 0.7;
}
.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--fg);
}
.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- HOW ---- */
.how {
  padding: 6rem var(--space);
  background: var(--bg-warm);
}
.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.how-inner h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 600px;
  margin-bottom: 3.5rem;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.how-step {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.how-step:first-child {
  border-top: 1px solid rgba(255,255,255,0.06);
}
.step-marker {
  display: flex;
  align-items: flex-start;
  padding-top: 0.2rem;
}
.step-marker span {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  border: 1px solid rgba(232, 168, 56, 0.15);
}
.step-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 550px;
}

/* ---- WHO ---- */
.who {
  padding: 6rem var(--space);
}
.who-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.who-text h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.who-text p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}
.who-features {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 0.5rem;
}
.who-feature {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 1.8rem;
}
.who-feature strong {
  display: block;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.who-feature p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  padding: 7rem var(--space);
  text-align: center;
  background: var(--bg-warm);
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}
.closing-inner h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.closing-inner p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
  padding: 2.5rem var(--space);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--accent);
}
.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 8rem var(--space) 3rem; }
  .hero-stat-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .how-step { grid-template-columns: 1fr; gap: 0.8rem; }
  .who-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 2.2rem; }
  .stat-num { font-size: 2rem; }
}