:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #dbeafe;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --success-border: #bbf7d0;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--slate-50);
  color: var(--slate-900);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-hover);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--slate-900);
}

.brand-logo span {
  color: var(--primary);
}

.nav-badge {
  font-size: 10px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--slate-600);
  font-weight: 600;
  font-size: 14px;
}

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

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

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

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #15803d;
  color: #fff;
}

.btn-outline {
  background: #fff;
  color: var(--slate-700);
  border: 1px solid var(--slate-200);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--slate-50);
}

/* HERO SECTION */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  max-width: 860px;
  margin: 0 auto 20px;
}

.hero h1 span {
  color: var(--primary);
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 18px;
  color: var(--slate-600);
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

/* PRICING TOGGLE */
.cycle-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 40px 0 50px;
}

.toggle-container {
  display: flex;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: 30px;
  padding: 4px;
}

.toggle-btn {
  padding: 8px 22px;
  border-radius: 24px;
  font-size: 13.5px;
  font-weight: 700;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--slate-600);
  transition: all 0.2s;
}

.toggle-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.save-badge {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 800;
}

/* PRICING GRID */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 60px;
  align-items: stretch;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.12);
}

.card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--slate-900);
}

.card-tagline {
  font-size: 13px;
  color: var(--slate-500);
  margin-bottom: 24px;
  min-height: 38px;
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.price-curr {
  font-size: 24px;
  font-weight: 800;
  color: var(--slate-900);
}

.price-val {
  font-size: 42px;
  font-weight: 900;
  color: var(--slate-900);
}

.price-cycle {
  font-size: 14px;
  color: var(--slate-500);
  font-weight: 600;
}

.price-billed-note {
  font-size: 12px;
  color: var(--slate-400);
  margin-bottom: 24px;
}

.features-list {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--slate-700);
  margin-bottom: 12px;
}

.features-list svg {
  flex-shrink: 0;
  margin-top: 3px;
}

/* ADD-ONS SECTION */
.addons-section {
  padding: 60px 0;
  background: #fff;
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.section-header p {
  color: var(--slate-500);
  font-size: 16px;
}

.addons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.addon-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.addon-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 4px;
}

.addon-info p {
  font-size: 12.5px;
  color: var(--slate-500);
}

.addon-price {
  text-align: right;
  flex-shrink: 0;
}

.addon-val {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
}

.addon-note {
  font-size: 10.5px;
  color: var(--slate-500);
}

.addon-free-badge {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
  font-size: 10.5px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 8px;
  display: inline-block;
}

/* UNDER DEVELOPMENT AI TEASER */
.ai-teaser {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: #fff;
  border-radius: 20px;
  padding: 50px;
  margin: 60px 0;
  position: relative;
  overflow: hidden;
}

.ai-pill {
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(167, 139, 250, 0.4);
  color: #c4b5fd;
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 800;
  display: inline-block;
  margin-bottom: 14px;
}

.ai-teaser h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.ai-feat-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 18px;
}

.ai-feat-box h5 {
  font-size: 14px;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 6px;
}

.ai-feat-box p {
  font-size: 12px;
  color: #94a3b8;
}

/* CHECKOUT FORM */
.checkout-box {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 40px;
  max-width: 900px;
  margin: 40px auto;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--slate-700);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  background: #fff;
  color: var(--slate-900);
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* FOOTER */
.footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 60px 0 30px;
  font-size: 13.5px;
}

.footer h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-bottom {
  border-top: 1px solid var(--slate-800);
  padding-top: 30px;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .addons-grid {
    grid-template-columns: 1fr;
  }
  .ai-features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 {
    font-size: 34px;
  }
}