:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00e87b;
  --accent-dim: rgba(0, 232, 123, 0.12);
  --accent-glow: rgba(0, 232, 123, 0.3);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1140px;
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.strike {
  text-decoration: line-through;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
}

/* ─── HERO ────────────────────────────── */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

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

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

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

.hero-visual {
  margin-top: 60px;
}

.flow-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding: 24px 0;
}

.flow-node {
  flex-shrink: 0;
  padding: 14px 22px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  white-space: nowrap;
}

.flow-node.glow {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.flow-line {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
  flex-shrink: 0;
}

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

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

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 60px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.pain {
  padding: 32px;
  border-radius: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.pain:hover {
  border-color: rgba(0, 232, 123, 0.2);
}

.pain-icon {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.pain h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

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

/* ─── SERVICES ────────────────────────── */
.services {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.services-header {
  margin-bottom: 60px;
}

.services-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.service-card {
  display: grid;
  grid-template-columns: 60px 1fr 2fr;
  align-items: baseline;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

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

.service-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.service-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

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

.how-header {
  max-width: var(--max-w);
  margin: 0 auto 60px;
}

.how-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.how-steps {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 28px;
  padding-bottom: 40px;
}

.step:last-child { padding-bottom: 0; }

.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  padding-top: 6px;
}

.step-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  flex-shrink: 0;
}

.step-line-v {
  width: 2px;
  flex: 1;
  background: linear-gradient(180deg, var(--accent), transparent);
  margin-top: 8px;
}

.step-content h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ─── CLOSING ─────────────────────────── */
.closing {
  padding: 100px 24px;
  text-align: center;
}

.closing-content {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 60px;
}

.closing-numbers {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.closing-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.closing-stat span:first-child {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.closing-stat span:last-child {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ─── FOOTER ──────────────────────────── */
.site-footer {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ─── BUTTONS ─────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
  letter-spacing: -0.01em;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-large { font-size: 1.05rem; padding: 16px 36px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-outline:hover { background: var(--accent-dim); }

/* ─── NAV ─────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
}

.nav-back, .nav-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-decoration: none;
}

.nav-back:hover { color: var(--accent); }

.nav-tag {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── HERO ACTIONS ────────────────────── */
.hero-actions { margin-bottom: 40px; }

/* ─── CLOSING CTA ─────────────────────── */
.closing-cta { margin-top: 60px; }

.cta-note {
  color: var(--fg-muted);
  font-size: 0.85rem;
  margin-top: 14px;
}

/* ─── RESPONSIVE ──────────────────────── */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 0;
  }

  .service-num {
    font-size: 0.75rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .closing-numbers {
    gap: 32px;
  }

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

  .flow-diagram {
    flex-direction: column;
    align-items: stretch;
  }

  .flow-line {
    width: 2px;
    height: 24px;
    margin: 0 auto;
  }

  .flow-node {
    text-align: center;
  }
}