/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #f97316;
  --accent-hover: #ea580c;
  --text: #0f172a;
  --text-secondary: #475569;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  font-size: 0.95rem;
  padding: 10px 20px;
}

.btn-sm { padding: 6px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text); }

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, #fff7ed 100%);
}

.hero-tagline {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Sections ===== */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== How It Works ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== Families ===== */
.families-section {
  background: linear-gradient(135deg, #fff7ed 0%, #fef3c7 100%);
}

.families-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.families-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.families-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.families-content p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  position: relative;
}

.pricing-card-featured {
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.12);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 24px;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pricing-card ul {
  list-style: none;
  margin-bottom: 32px;
  text-align: left;
}

.pricing-card li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.pricing-card li:last-child { border-bottom: none; }

.pricing-card li::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 700;
}

.pricing-card .btn { width: 100%; }

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
}

.cta-section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-section p {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ===== Fade-in animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero { padding: 120px 0 72px; }

  .features-grid { grid-template-columns: 1fr; }

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }

  .pricing-card-featured { transform: none; }

  .section { padding: 64px 0; }

  .nav-links a:not(.btn) { display: none; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
}