:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --text: #0f172a;
  --text-muted: #475569;
  --accent: #0f172a;
  --accent-2: #6366f1;
  --accent-3: #818cf8;
  --accent-soft: #eef2ff;
  --border: #e2e8f0;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.16);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
}

.logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent-2); }

.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}
.nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
}
.nav a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--transition), opacity var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-large { padding: 16px 24px; font-size: 18px; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.hero {
  padding-block: 80px 100px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 20px 0;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin: 0 0 28px 0;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-micro { margin-top: 14px; color: var(--text-muted); font-size: 14px; }

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: linear-gradient(160deg, #eef2ff, #e0e7ff);
  border-radius: 40px;
  padding: 22px;
  box-shadow: var(--shadow-lg);
}
.screen {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.post-card {
  padding: 14px;
}
.post-header {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f472b6, #fb7185);
  display: inline-block;
}
.name { font-weight: 600; font-size: 14px; }
.post-media {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(180deg, #fde68a, #f59e0b);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.post-body {
  font-size: 14px;
  color: var(--text-muted);
}
.post-actions { color: var(--text-muted); font-size: 14px; margin-top: 8px; }

.promise {
  padding-block: 36px;
  background: var(--accent-soft);
}
.promise-text {
  text-align: center;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}

.pain-points, .how, .pricing, .cta {
  padding-block: 80px;
}
.pain-points h2, .how h2, .pricing h2, .cta h2 {
  font-size: clamp(26px, 3vw, 40px);
  margin: 0 0 36px 0;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 18px;
  margin: -20px 0 36px 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-3.loose { gap: 40px; }

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.card-icon {
  font-size: 28px;
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px 0; font-size: 18px; }
.card p { margin: 0; color: var(--text-muted); }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step {}
.step-number {
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 10px;
}
.step h3 { margin: 0 0 8px 0; font-size: 20px; }
.step p { margin: 0; color: var(--text-muted); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.plan {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.plan-popular {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.plan-popular h3, .plan-popular .price, .plan-popular li { color: #fff; }
.plan-popular .popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-2);
  color: #fff;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.plan h3 { margin: 0 0 12px 0; }
.price {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
}
.price span { font-size: 14px; font-weight: 400; opacity: 0.7; }
.plan ul { padding-left: 18px; margin: 0 0 24px 0; }
.plan li { margin-bottom: 8px; }
.plan .btn-block { width: 100%; }

.cta {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.cta h2 { text-align: center; }
.cta > .container > p {
  text-align: center;
  color: var(--text-muted);
  margin: -16px 0 32px 0;
}
.lead-form {
  display: grid;
  gap: 16px;
  max-width: 680px;
  margin-inline: auto;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.lead-form input, .lead-form select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 16px;
}
.btn-block { width: 100%; justify-content: center; }
.form-note { text-align: center; color: var(--text-muted); font-size: 13px; }
.form-success {
  text-align: center;
  padding: 48px 16px;
}
.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #dcfce7;
  color: #15803d;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin: 0 auto 16px;
}
.form-success h3 { margin: 0 0 8px 0; }
.form-success p { margin: 0; color: var(--text-muted); }

.site-footer {
  padding-block: 60px;
  border-top: 1px solid var(--border);
  background: #0b1220;
  color: #cbd5e1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 { color: #fff; margin: 0 0 12px 0; }
.footer-grid ul { padding-left: 0; list-style: none; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #94a3b8; text-decoration: none; }
.footer-grid a:hover { color: #fff; }
.footer-desc { color: #94a3b8; max-width: 280px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
}
.footer-bottom p { margin: 0; font-size: 14px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .grid-3, .steps, .pricing-grid, .footer-grid { grid-template-columns: 1fr; }
  .nav a:not(.btn) { display: none; }
}
