/* Slatebridge — Shared Design System */
/* All pages now link this single source of truth */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --slate-900: #0f172a; --slate-800: #1e293b; --slate-700: #334155;
  --slate-600: #475569; --slate-500: #64748b; --slate-400: #94a3b8;
  --slate-300: #cbd5e1; --slate-200: #e2e8f0; --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --blue-600: #2563eb; --blue-500: #3b82f6; --blue-400: #60a5fa;
  --blue-100: #dbeafe;
  --amber-500: #f59e0b; --green-500: #10b981;
  --radius: 10px; --radius-sm: 6px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--slate-800); background: var(--slate-50); line-height: 1.65;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
}
nav .container {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 16px; padding-bottom: 16px;
}
.nav-logo { font-weight: 800; font-size: 1.3rem; color: var(--slate-900); letter-spacing: -0.5px; text-decoration: none; }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; color: var(--slate-600); font-weight: 500; font-size: 0.9rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--slate-900); }
.nav-links .btn { color: #fff; }
.nav-links .btn.btn-outline { color: var(--slate-700); }
.nav-links .btn.btn-outline:hover { color: var(--slate-900); }
.nav-links a.nav-active { color: var(--blue-600); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-toggle { cursor: pointer; }
.dropdown-toggle::after { content: ' ▾'; font-size: 0.7rem; }
.dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0;
  background: #fff; border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm); padding: 8px 0; min-width: 200px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1); z-index: 200;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block; padding: 10px 18px; font-size: 0.9rem;
  color: var(--slate-700); text-decoration: none;
}
.dropdown-menu a:hover { background: var(--slate-50); }
.dropdown-menu a .dd-desc {
  display: block; font-size: 0.75rem; color: var(--slate-400);
  font-weight: 400; margin-top: 2px;
}

/* Hamburger (mobile) */
.hamburger {
  display: none; background: none; border: none; font-size: 1.5rem;
  cursor: pointer; color: var(--slate-700); padding: 4px;
}

/* ── Buttons ── */
.btn {
  display: inline-block; padding: 10px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem; text-decoration: none;
  transition: all 0.15s; cursor: pointer;
}
.btn-primary { background: var(--blue-600); color: #fff; border: none; }
.btn-primary:hover { background: var(--blue-500); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37,99,235,0.25); }
.btn-outline {
  background: transparent; color: var(--slate-700);
  border: 1.5px solid var(--slate-300);
}
.btn-outline:hover { border-color: var(--slate-600); background: var(--slate-100); }
.btn-outline-light {
  background: transparent; color: #fff; border: 1.5px solid var(--slate-500);
}
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-light {
  background: #fff; color: var(--slate-800); border: none; font-weight: 700;
}
.btn-light:hover { background: var(--slate-100); }
.btn-full { width: 100%; text-align: center; }

/* ── Hero ── */
.hero { padding: 100px 0 80px; }
.hero.hero-left { text-align: left; }
.hero.hero-left p { margin-left: 0; }
.hero.hero-center { text-align: center; }
.hero.hero-compact { padding: 80px 0 60px; text-align: center; }
.hero.hero-compact .container { max-width: 680px; }
.hero.hero-compact h1 { font-size: 2.8rem; }
.hero.hero-compact p { font-size: 1.15rem; }
.hero-badge {
  display: inline-block; background: var(--blue-100); color: var(--blue-600);
  font-size: 0.8rem; font-weight: 600; padding: 5px 14px; border-radius: 20px;
  margin-bottom: 24px; letter-spacing: 0.5px;
}
.hero-badge .tooltip { display: none; }

.tooltip-trigger {
  position: relative; cursor: pointer;
  border-bottom: 1px dotted var(--slate-400);
}
.tooltip-trigger:hover .tooltip,
.tooltip-trigger:focus .tooltip {
  display: block;
}
.tooltip {
  position: absolute; top: 130%; left: 50%; transform: translateX(-50%);
  background: var(--slate-900); color: #fff;
  padding: 18px 22px; border-radius: var(--radius);
  font-size: 0.85rem; font-weight: 400; line-height: 1.6;
  width: 380px; max-width: 90vw; text-align: left;
  box-shadow: 0 12px 36px rgba(0,0,0,0.25); z-index: 200;
  letter-spacing: 0;
}
.tooltip strong { color: #fff; font-size: 0.9rem; }
.tooltip em { color: var(--slate-300); }
.tooltip::after {
  content: ''; position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  border: 8px solid transparent; border-bottom-color: var(--slate-900);
}
.hero h1 {
  font-size: 3.2rem; font-weight: 800; color: var(--slate-900);
  line-height: 1.15; letter-spacing: -1px; margin-bottom: 20px;
}
.hero h1 span { color: var(--blue-600); }
.hero p { font-size: 1.2rem; color: var(--slate-500); max-width: 600px; margin: 0 auto 32px; }
.hero p.lead { font-size: 1.4rem; color: var(--slate-800); font-weight: 500; }
.hero-cta { display: flex; gap: 14px; }
.hero-cta.hero-cta-center { justify-content: center; }
.hero-label {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--blue-600); margin-bottom: 12px;
}

/* ── Sections ── */
section { padding: 80px 0; }
section.light-bg { background: var(--slate-100); }
section.alt-bg { background: #fff; }
section.dark { background: var(--slate-900); color: #fff; }
section.dark h2, section.dark h3 { color: #fff; }
section.dark p { color: var(--slate-400); }
.section-label {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--blue-600); margin-bottom: 12px;
}
h2 {
  font-size: 2rem; font-weight: 700; color: var(--slate-900);
  letter-spacing: -0.5px; margin-bottom: 16px;
}
.section-intro {
  font-size: 1.1rem; color: var(--slate-500); max-width: 580px; margin-bottom: 48px;
}

/* ── Problem grid (index) ── */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.problem-card { background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 28px; transition: box-shadow 0.2s; }
.problem-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.problem-card .icon { font-size: 1.6rem; margin-bottom: 12px; }
.problem-card h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--slate-900); }
.problem-card p { color: var(--slate-500); font-size: 0.95rem; }

/* ── Products (index) ── */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-card { background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 36px; transition: all 0.2s; }
.product-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); transform: translateY(-2px); }
.product-card.featured { border-color: var(--blue-400); box-shadow: 0 0 0 1px var(--blue-400); }
.product-badge { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 3px 10px; border-radius: 12px; margin-bottom: 16px; }
.badge-live { background: #d1fae5; color: #065f46; }
.badge-soon { background: #fef3c7; color: #92400e; }
.product-card h3 { font-size: 1.35rem; margin-bottom: 8px; color: var(--slate-900); }
.product-card p { color: var(--slate-500); font-size: 0.95rem; }
.product-card .price { font-size: 2.2rem; font-weight: 800; color: var(--slate-900); margin: 16px 0 4px; }
.product-card .price small { font-size: 0.9rem; font-weight: 400; color: var(--slate-400); }
.product-card ul { list-style: none; margin: 20px 0; }
.product-card ul li { padding: 6px 0; color: var(--slate-600); font-size: 0.9rem; }
.product-card ul li::before { content: "✓ "; color: var(--green-500); font-weight: 700; }
.product-card .btn { width: 100%; text-align: center; }
.product-card .learn-link { color: var(--slate-800); text-decoration: none; font-size: 0.85rem; font-weight: 500; }
.product-card .learn-link:hover { text-decoration: underline; }

/* ── Dual card (about) ── */
.dual-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px;
}
.experience-card {
  background: #fff; border: 1px solid var(--slate-200);
  border-radius: var(--radius); padding: 32px;
  transition: box-shadow 0.2s;
}
.experience-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.experience-card h3 { font-size: 1.2rem; margin-bottom: 16px; color: var(--slate-900); }
.experience-card.light { background: #fff; border-color: var(--slate-200); }
.experience-card ul { list-style: none; }
.experience-card ul li {
  padding: 8px 0; color: var(--slate-600); font-size: 0.95rem;
  border-bottom: 1px solid var(--slate-100);
}
.experience-card ul li:last-child { border-bottom: none; }
.experience-card ul li::before { content: '✗ '; color: var(--slate-400); font-weight: 600; }
.experience-card .card-icon { font-size: 1.8rem; margin-bottom: 12px; }

/* ── How It Works (steps) ── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.step { text-align: center; padding: 32px 20px; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--blue-600); color: #fff; font-weight: 800; font-size: 1.2rem;
  margin-bottom: 16px;
}
.step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--slate-500); }
section.dark .step p { color: var(--slate-400); }

/* ── Check list ── */
.check-list { list-style: none; max-width: 520px; }
.check-list li {
  padding: 10px 0; font-size: 1rem; color: var(--slate-700);
  border-bottom: 1px solid var(--slate-200);
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before { content: '✓ '; color: var(--green-500); font-weight: 700; font-size: 1.1rem; }
section.dark .check-list li { color: var(--slate-300); border-bottom-color: var(--slate-700); }

/* ── Comparison ── */
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.comparison-card { border-radius: var(--radius); padding: 32px; text-align: left; }
.comparison-card.bad { background: var(--slate-50); border: 1px solid var(--slate-200); }
.comparison-card.good {
  background: #fff; border: 1px solid var(--green-500);
  box-shadow: 0 0 0 1px var(--green-500);
}
.comparison-card h4 { font-size: 1.1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--slate-200); }
.comparison-card.bad h4 { color: var(--slate-500); }
.comparison-card.good h4 { color: var(--green-500); }
.comparison-card ul { list-style: none; }
.comparison-card ul li { padding: 8px 0; font-size: 0.95rem; border-bottom: 1px solid var(--slate-100); }
.comparison-card ul li:last-child { border-bottom: none; }
.comparison-card.bad ul li { color: var(--slate-500); }
.comparison-card.bad ul li::before { content: '✗ '; color: var(--slate-400); font-weight: 600; }
.comparison-card.good ul li { color: var(--slate-700); }
.comparison-card.good ul li::before { content: '✓ '; color: var(--green-500); font-weight: 700; }

/* ── Pricing ── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pricing-card {
  background: var(--slate-800); border: 1px solid var(--slate-700);
  border-radius: var(--radius); padding: 32px; text-align: center;
  transition: all 0.2s; position: relative;
}
.pricing-card:hover { border-color: var(--blue-500); }
.pricing-card.popular { border-color: var(--blue-500); box-shadow: 0 0 0 1px var(--blue-500); }
.pricing-card.popular-inline { border-color: var(--blue-500); box-shadow: 0 0 0 1px var(--blue-500); }
.popular-tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--blue-600); color: #fff; font-size: 0.75rem;
  font-weight: 700; padding: 4px 16px; border-radius: 12px;
}
.pricing-card h4 { font-size: 1rem; color: #fff; margin-bottom: 12px; }
.pricing-card .amount { font-size: 2.5rem; font-weight: 800; color: #fff; margin-bottom: 4px; }
.pricing-card .amount sub { font-size: 0.85rem; font-weight: 400; color: var(--slate-400); }
.pricing-card .desc { color: var(--slate-400); font-size: 0.85rem; margin-bottom: 20px; }
.pricing-card ul { list-style: none; text-align: left; margin-bottom: 24px; }
.pricing-card ul li { padding: 5px 0; color: var(--slate-300); font-size: 0.85rem; }
.pricing-card ul li::before { content: '✓ '; color: var(--green-500); }
.pricing-card .btn { width: 100%; }
.pricing-note {
  text-align: center; color: var(--slate-400); font-size: 0.85rem;
  margin-top: 32px; max-width: 480px; margin-left: auto; margin-right: auto;
}
section.dark .pricing-note { color: var(--slate-400); }
.product-label {
  font-size: 1.3rem; font-weight: 700; color: #fff;
  margin-bottom: 24px; display: flex; align-items: center; gap: 10px;
}
.product-label a { color: var(--amber-500); font-size: 0.85rem; font-weight: 500; text-decoration: none; }
.product-label a:hover { text-decoration: underline; }
.perks { margin-top: 48px; text-align: center; }
.perks h3 { color: #fff; margin-bottom: 16px; }
.perks ul { list-style: none; display: inline-block; text-align: left; }
.perks ul li { padding: 6px 0; color: var(--slate-300); }
.perks ul li::before { content: '✓ '; color: var(--green-500); font-weight: 700; }
.pricing-grid-mobile { display: none; }
@media (max-width: 800px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ── CTA ── */
.cta { text-align: center; padding: 60px 0; }
.cta h2 { color: #fff; }
.cta p { color: var(--slate-400); max-width: 480px; margin: 0 auto 24px; }
.cta .btn { font-size: 1rem; padding: 14px 32px; }

/* ── Testimonial ── */
.testimonial { text-align: center; padding: 60px 0; }
.testimonial blockquote { font-size: 1.3rem; font-style: italic; color: var(--slate-300); max-width: 640px; margin: 0 auto 20px; line-height: 1.5; }
.testimonial cite { font-style: normal; color: var(--slate-400); font-size: 0.9rem; }

/* ── Contact page ── */
.contact-hero .container { max-width: 640px; }
.contact-content { padding: 0 0 80px; }
.contact-content .container { max-width: 640px; }
.form-card { background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--slate-700); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm); font-family: inherit; font-size: 0.95rem;
  color: var(--slate-800); background: var(--slate-50); transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--slate-800);
  box-shadow: 0 0 0 3px rgba(30,41,59,0.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit { width: 100%; padding: 14px; font-size: 1rem; }
.form-result { margin-top: 16px; padding: 12px; border-radius: var(--radius-sm); text-align: center; font-size: 0.9rem; display: none; }
.form-result.success { display: block; background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.form-result.error { display: block; background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.contact-info { margin-top: 32px; text-align: center; color: var(--slate-500); font-size: 0.95rem; }
.contact-info a { color: var(--slate-800); text-decoration: none; }
.contact-info a:hover { text-decoration: underline; }

/* ── Legal pages (privacy, terms) ── */
.legal-content { max-width: 760px; margin: 0 auto; padding: 60px 28px 80px; line-height: 1.7; }
.legal-content h1 { font-size: 2.2rem; font-weight: 800; color: var(--slate-900); margin-bottom: 8px; }
.legal-content .updated { color: var(--slate-400); font-size: 0.85rem; margin-bottom: 40px; }
.legal-content h2 { font-size: 1.2rem; font-weight: 700; color: var(--slate-800); margin: 32px 0 12px; letter-spacing: 0; }
.legal-content p { color: var(--slate-600); margin-bottom: 12px; font-size: 0.95rem; }
.legal-content ul { padding-left: 24px; margin-bottom: 16px; }
.legal-content ul li { color: var(--slate-600); font-size: 0.95rem; padding: 3px 0; }
.legal-content a { color: var(--slate-800); text-decoration: underline; }

/* ── 404 page ── */
.error-section { flex: 1; display: flex; align-items: center; justify-content: center; text-align: center; padding: 80px 0; }
.error-code { font-size: 7rem; font-weight: 800; color: var(--slate-200); line-height: 1; margin-bottom: 8px; }
.error-section h1 { font-size: 1.5rem; font-weight: 700; color: var(--slate-900); margin-bottom: 12px; }
.error-section p { color: var(--slate-500); max-width: 400px; margin: 0 auto 32px; font-size: 1rem; }
.error-cta { display: flex; gap: 14px; justify-content: center; }

/* ── Footer ── */
footer {
  padding: 60px 0 40px; border-top: 1px solid var(--slate-200); background: #fff;
}
.footer-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px;
}
.footer-col h5 {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: var(--slate-400); margin-bottom: 16px;
}
.footer-col a {
  display: block; color: var(--slate-600); text-decoration: none;
  font-size: 0.9rem; padding: 4px 0;
}
.footer-col a:hover { color: var(--slate-900); }
.footer-brand { font-weight: 800; font-size: 1rem; color: var(--slate-900); margin-bottom: 6px; }
.footer-tagline { color: var(--slate-400); font-size: 0.85rem; margin-bottom: 12px; }
.footer-address { color: var(--slate-400); font-size: 0.85rem; }
.footer-bottom {
  border-top: 1px solid var(--slate-200); padding-top: 24px;
  text-align: center; color: var(--slate-400); font-size: 0.8rem;
}
.footer-bottom a { color: var(--slate-500); text-decoration: none; }
.footer-bottom a:hover { color: var(--slate-900); }

/* ── Accent links (dark backgrounds) ── */
.amber-link { color: var(--amber-500); text-decoration: none; }
.amber-link:hover { text-decoration: underline; }

/* ── Mobile ── */
@media (max-width: 767px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 16px 28px; gap: 12px;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .dropdown-menu { position: static; box-shadow: none; border: none; padding-left: 16px; }
  .dropdown:hover .dropdown-menu { display: none; }
  .dropdown.open .dropdown-menu { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero.hero-compact h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero p.lead { font-size: 1.1rem; }
  .hero.hero-compact p { font-size: 1rem; }
  section { padding: 60px 0; }
  .steps { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dual-card { grid-template-columns: 1fr; }
  .comparison { grid-template-columns: 1fr; }
  .products { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
  .error-code { font-size: 4rem; }
  .error-cta { flex-direction: column; align-items: center; }
}