:root {
  --bg-primary: #0D1117;
  --bg-secondary: #161B22;
  --bg-card: #1C2128;
  --bg-warm: #1A1510;
  --text-primary: #F0EDE6;
  --text-secondary: #A8A296;
  --text-muted: #6B6560;
  --accent: #E8A848;
  --accent-dim: #C4893A;
  --accent-glow: rgba(232, 168, 72, 0.12);
  --border: rgba(232, 168, 72, 0.15);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
  background:
    radial-gradient(ellipse 70% 50% at 20% 80%, rgba(232,168,72,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(232,168,72,0.05) 0%, transparent 50%),
    var(--bg-primary);
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  max-width: 140px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.problem-left p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.problem-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.problem-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.problem-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 8px;
}

.problem-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== FEATURES ===== */
.features {
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 3.5rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.features-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 550px;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.25s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
}

.feature-card-large {
  grid-column: 1 / -1;
  background:
    radial-gradient(ellipse 60% 80% at 90% 20%, var(--accent-glow) 0%, transparent 50%),
    var(--bg-secondary);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== HOW ===== */
.how {
  padding: 6rem 2rem;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 800px;
  margin: 0 auto;
}

.how-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  margin-bottom: 3rem;
  text-align: center;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.how-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--accent);
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  border-radius: 50%;
}

.step-content h3 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

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

/* ===== CLOSING ===== */
.closing {
  padding: 7rem 2rem;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 80%, rgba(232,168,72,0.06) 0%, transparent 60%),
    var(--bg-primary);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.closing-vision {
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--accent);
  text-align: left;
  background: var(--accent-glow);
  border-radius: 0 8px 8px 0;
}

.closing-vision p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-style: italic;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 4rem 1.5rem 3rem; }
  .problem-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-large { grid-column: 1; }
  .hero-stat-row { gap: 1.5rem; }
  .hero-stat-divider { display: none; }
  .how-step { flex-direction: column; gap: 0.75rem; }
  .step-number { width: 40px; height: 40px; font-size: 1.2rem; }
  .problem { padding: 4rem 1.5rem; }
  .features { padding: 4rem 1.5rem; }
  .how { padding: 4rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
}