/* PriviQu v5 — Clean Modern Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --navy: #1a1a2e;
  --navy-light: #2d2d44;
  --text-primary: #1a1a2e;
  --text-secondary: #555770;
  --text-muted: #8b8da3;
  --bg-page: #ffffff;
  --bg-light: #f7f8fa;
  --bg-input: #ffffff;
  --border: #e2e4ea;
  --border-input: #cdd0d9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.04), 0 0 0 1px rgba(0,0,0,0.02);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --max-width: 1140px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }

/* === Header === */
.site-header {
  background: var(--bg-page);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header-logo { display: flex; align-items: center; }
.header-logo img { height: 38px; width: auto; }
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.header-nav a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.01em;
  transition: color var(--transition);
  white-space: nowrap;
}
.header-nav a:hover { color: var(--primary); }
.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.15s;
}
.header-cta:hover {
  background: var(--primary-dark);
  color: #fff !important;
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  -webkit-tap-highlight-color: transparent;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-page);
  z-index: 999;
  padding: 16px 24px 32px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--primary); }
.mobile-nav .mobile-cta {
  display: block;
  text-align: center;
  margin-top: 20px;
  padding: 14px;
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

/* === Hero Section === */
.hero {
  background: var(--bg-page);
  padding: 64px 24px 48px;
  text-align: left;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
  max-width: 600px;
}
.hero .hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.6;
}

/* === Search Box === */
.search-box {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  padding: 0;
  max-width: 680px;
}
.search-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.search-tab {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}
.search-tab:hover { color: var(--text-primary); }
.search-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
.search-tab .tab-icon {
  display: flex;
  align-items: center;
  width: 18px;
  height: 18px;
}
.search-tab .tab-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.search-form {
  display: flex;
  gap: 0;
  align-items: stretch;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.search-form:focus-within { border-color: var(--primary); }
.search-input {
  flex: 1;
  padding: 16px 20px;
  border: none;
  font-size: 16px;
  font-family: inherit;
  color: var(--text-primary);
  outline: none;
  background: var(--bg-input);
  min-width: 0;
}
.search-input::placeholder { color: var(--text-muted); }
.search-btn {
  padding: 16px 36px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.search-btn:hover { background: var(--primary-dark); }
.search-hint {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.search-hint svg {
  width: 14px;
  height: 14px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
}

/* === Trust Bar === */
.trust-bar {
  background: var(--bg-light);
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.trust-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
}

/* === Section Containers === */
.section { padding: 80px 24px; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-white { background: var(--bg-page); }
.section-light { background: var(--bg-light); }

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 520px;
}

/* === Search Tools Grid === */
.tools-section {
  display: flex;
  align-items: center;
  gap: 64px;
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  flex: 1;
}
.tool-card {
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.15s;
  text-decoration: none;
  color: var(--text-primary);
}
.tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--text-primary);
}
.tool-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tool-card-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.8;
}
.tool-card-label {
  font-weight: 600;
  font-size: 14px;
}
.tools-text { flex: 0 0 340px; }
.tools-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.tools-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === How It Works === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step-card { text-align: center; }
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform 0.15s;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.8;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === CTA Section === */
.cta-section {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 72px 24px;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.cta-section p {
  font-size: 16px;
  opacity: 0.8;
  margin-bottom: 28px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--primary);
  color: #fff !important;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.15s;
}
.cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  color: #fff !important;
}

/* === Footer === */
.site-footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 48px 24px 28px;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand img { height: 30px; margin-bottom: 12px; }
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 3px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* === Split Hero (Ads Pages) === */
.hero-split {
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero-split .hero-text { flex: 1; }
.hero-split .hero-search-card { flex: 0 0 420px; }
.hero-benefits {
  list-style: none;
  margin-top: 24px;
}
.hero-benefits li {
  font-size: 15px;
  color: var(--text-primary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-benefits li::before {
  content: '';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--primary-light);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230f9b8e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* === Article Pages === */
.article-hero {
  background: var(--navy);
  color: #fff;
  padding: 48px 24px;
  text-align: center;
}
.article-hero h1 {
  font-size: 36px;
  font-weight: 700;
  max-width: 780px;
  margin: 0 auto 10px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.article-hero .article-meta {
  font-size: 14px;
  opacity: 0.65;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 40px 0 14px;
  letter-spacing: -0.02em;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 10px;
}
.article-body p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.article-body ul, .article-body ol {
  margin: 14px 0 22px 22px;
  color: var(--text-secondary);
}
.article-body li {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 6px;
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(15, 155, 142, 0.3);
}
.article-body a:hover { text-decoration-color: var(--primary); }
.article-body strong { color: var(--text-primary); }

/* Table of contents */
.toc-box, .toc {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 28px 0;
}
.toc-box h3, .toc h3, .toc-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  color: var(--text-primary);
}
.toc-box ol, .toc ol {
  margin: 0;
  padding-left: 20px;
}
.toc-box li, .toc li {
  font-size: 14px;
  padding: 3px 0;
}

/* Inline CTA in articles */
.article-cta {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  margin: 36px 0;
}
.article-cta h3 {
  font-size: 20px;
  margin: 0 0 10px;
}
.article-cta p {
  font-size: 14px;
  margin-bottom: 16px;
}
.article-cta .cta-btn {
  font-size: 14px;
  padding: 12px 28px;
}

/* === Articles Index === */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.article-card {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow var(--transition), transform 0.15s;
  display: block;
  color: var(--text-primary);
}
.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--text-primary);
}
.article-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}
.article-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === Legal Pages === */
.legal-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}
.legal-body h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 6px;
}
.legal-body .legal-updated {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 36px;
}
.legal-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 10px;
}
.legal-body p, .legal-body li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}
.legal-body p { margin-bottom: 14px; }
.legal-body ul { margin: 10px 0 18px 22px; }
.legal-body li { margin-bottom: 4px; }

/* === Mobile Responsive === */
@media (max-width: 1024px) {
  .hero-split { flex-direction: column; gap: 32px; }
  .hero-split .hero-search-card { flex: none; width: 100%; }
  .tools-section { flex-direction: column; gap: 28px; }
  .tools-text { flex: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }

  .hero { padding: 40px 20px 32px; }
  .hero h1 { font-size: 32px; }
  .hero .hero-sub { font-size: 16px; margin-bottom: 28px; }

  .search-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; flex-wrap: nowrap; }
  .search-tabs::-webkit-scrollbar { display: none; }
  .search-tab { padding: 10px 10px; font-size: 13px; gap: 5px; }
  .search-tab .tab-icon { width: 15px; height: 15px; }
  .search-tab .tab-icon svg { width: 15px; height: 15px; }

  .search-form { flex-direction: column; border: none; border-radius: 0; }
  .search-input {
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
  }
  .search-input:focus { border-color: var(--primary); }
  .search-btn {
    padding: 14px;
    border-radius: var(--radius-md);
    margin-top: 10px;
  }

  .trust-bar-inner { gap: 16px; justify-content: flex-start; }
  .trust-item { font-size: 12px; }

  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 48px 20px; }
  .section-title { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }

  .article-hero { padding: 32px 20px; }
  .article-hero h1 { font-size: 26px; }
  .articles-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .tools-grid { grid-template-columns: 1fr; }
  .search-box { padding: 0; }
  .trust-bar-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
}


/* Image Upload Zone */
.image-upload-zone {
  display: none;
  border: 2px dashed #cbd5e1;
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: #f8fafc;
  margin-bottom: 8px;
}
.image-upload-zone:hover, .image-upload-zone.dragover {
  border-color: #2563eb;
  background: #eff6ff;
}
.image-upload-zone.active { display: block; }
.image-upload-zone .upload-icon {
  width: 40px; height: 40px; max-width: 40px; max-height: 40px; margin: 0 auto 12px; color: #2563eb; display: block;
}
.image-upload-zone .upload-text {
  font-size: 1rem; color: #475569; margin: 0;
}
.image-upload-zone .upload-text strong { color: #2563eb; }
.image-upload-zone .upload-hint {
  font-size: 0.85rem; color: #94a3b8; margin: 8px 0 0;
}
.search-form.hidden { display: none; }

@media (max-width: 768px) {
  .image-upload-zone { padding: 28px 16px; }
  .image-upload-zone .upload-icon { width: 32px; height: 32px; max-width: 32px; max-height: 32px; }
}