/* ===== SocialProof Marketing Site CSS ===== */
:root {
  --brand: #6d28d9;
  --brand-dark: #5b21b6;
  --brand-light: #ede9fe;
  --accent: #4f46e5;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --radius: 8px;
  --radius-lg: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-lg { padding: 14px 28px; font-size: 17px; }
.btn-outline {
  background: transparent;
  color: var(--brand);
  border: 2px solid var(--brand);
}
.btn-outline:hover { background: var(--brand-light); }

/* === NAV === */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
}
.nav-links a { color: var(--text-muted); font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: #fff; }

/* === HERO === */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  background: linear-gradient(180deg, #faf5ff 0%, #fff 100%);
}
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero h1 .highlight { color: var(--brand); }
.hero p {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-trust {
  margin-top: 40px;
  font-size: 14px;
  color: var(--text-muted);
}

/* === SECTIONS === */
section {
  padding: 80px 0;
}
.section-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 48px;
}

/* === FEATURES GRID === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 15px;
}

/* === PRICING === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}
.pricing-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.pricing-card.popular {
  border-color: var(--brand);
  border-width: 2px;
  position: relative;
}
.pricing-card.popular::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 12px;
  border-radius: 99px;
}
.pricing-name { font-weight: 700; margin-bottom: 4px; font-size: 18px; }
.pricing-price { font-size: 42px; font-weight: 800; margin: 12px 0 4px; }
.pricing-price span { font-size: 18px; font-weight: 500; color: var(--text-muted); }
.pricing-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li {
  padding: 6px 0;
  font-size: 15px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.pricing-features li::before { content: '✓'; color: var(--brand); font-weight: 700; }

/* === BLOG === */
.blog-list-page { padding: 60px 0 80px; }
.blog-list-page h1 { font-size: 40px; font-weight: 800; margin-bottom: 8px; }
.blog-list-page .sub { color: var(--text-muted); margin-bottom: 48px; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.blog-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow 0.15s;
}
.blog-card:hover { box-shadow: 0 4px 20px rgba(109,40,217,0.1); }
.blog-card-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.blog-card h2 { font-size: 20px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.blog-card p { color: var(--text-muted); font-size: 15px; }
.blog-card-link { display: inline-block; margin-top: 16px; color: var(--brand); font-weight: 600; font-size: 15px; }

/* === BLOG POST === */
.blog-post-page { padding: 60px 0 100px; }
.blog-post-header { max-width: 720px; margin: 0 auto 48px; }
.blog-back { color: var(--brand); font-weight: 600; font-size: 15px; display: inline-block; margin-bottom: 20px; }
.blog-post-header h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; margin-bottom: 12px; line-height: 1.2; }
.blog-description { color: var(--text-muted); font-size: 18px; margin-bottom: 16px; }
.blog-meta { font-size: 14px; color: var(--text-muted); display: flex; gap: 8px; align-items: center; }
.blog-post-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.75;
}
.blog-post-body h2 { font-size: 28px; font-weight: 700; margin: 48px 0 16px; }
.blog-post-body h3 { font-size: 22px; font-weight: 700; margin: 36px 0 12px; }
.blog-post-body p { margin-bottom: 20px; }
.blog-post-body ul, .blog-post-body ol { margin: 0 0 20px 24px; }
.blog-post-body li { margin-bottom: 8px; }
.blog-post-body code { background: var(--bg-alt); padding: 2px 6px; border-radius: 4px; font-size: 15px; }
.blog-post-body pre { background: #1e293b; color: #e2e8f0; padding: 20px; border-radius: var(--radius); overflow-x: auto; margin-bottom: 20px; }
.blog-post-body pre code { background: none; padding: 0; }
.blog-post-body blockquote { border-left: 4px solid var(--brand-light); padding-left: 20px; color: var(--text-muted); margin: 0 0 20px; font-style: italic; }
.blog-post-body a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

/* === FOOTER === */
footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand a { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; margin-bottom: 10px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-links div { display: flex; flex-direction: column; gap: 8px; }
.footer-links strong { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.footer-links a { color: var(--text-muted); font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

/* === FAQ === */
.faq-page { padding: 60px 0 100px; }
.faq-page h1 { font-size: 40px; font-weight: 800; margin-bottom: 12px; }
.faq-page .sub { color: var(--text-muted); font-size: 18px; margin-bottom: 48px; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item details summary {
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item details summary::-webkit-details-marker { display: none; }
.faq-item details summary::after { content: '+'; font-size: 24px; font-weight: 300; color: var(--text-muted); }
.faq-item details[open] summary::after { content: '−'; }
.faq-item details p {
  padding: 12px 0 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.65;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav-links a:not(.btn):not(:last-of-type) { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 60px 24px 40px; }
  section { padding: 60px 0; }
}