:root {
  --bg: #0a0a0b;
  --bg-raised: #111113;
  --bg-card: #18181b;
  --fg: #e4e4e7;
  --fg-muted: #a1a1aa;
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.12);
  --accent-glow: rgba(34, 211, 238, 0.25);
  --border: #27272a;
  --radius: 12px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, 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;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 24px 80px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-inner {
  margin-bottom: 60px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

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

.lede {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  background: var(--bg-raised);
}

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

.problem h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: #fff;
  margin-bottom: 56px;
  max-width: 700px;
  letter-spacing: -0.02em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  padding: 32px 28px;
  border-left: 2px solid var(--accent);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.problem-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 12px;
}

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

/* ===== SERVICES ===== */
.services {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.services h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s;
}

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

.service-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.3rem;
  color: #fff;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  flex: 1;
}

.service-tools {
  font-size: 0.8rem;
  color: var(--fg-muted);
  padding-top: 16px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.02em;
}

/* ===== HOW ===== */
.how {
  padding: 100px 24px;
  background: var(--bg-raised);
}

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

.how h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: #fff;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.step:first-child {
  border-top: 1px solid var(--border);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 80px;
  line-height: 1;
  padding-top: 4px;
}

.step-content h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 48px;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

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

.footer-instagram {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-instagram:hover {
  color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 72px 20px 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 12px; }
  .problem-grid { grid-template-columns: 1fr; gap: 20px; }
  .services-grid { grid-template-columns: 1fr; gap: 16px; }
  .step { flex-direction: column; gap: 12px; }
  .step-num { min-width: auto; font-size: 1.6rem; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; align-items: center; }
  .problem { padding: 72px 20px; }
  .services { padding: 72px 20px; }
  .how { padding: 72px 20px; }
  .closing { padding: 80px 20px; }
}