/* PDF Editor - Landing Page */
:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --border: #0f3460;
  --hover: #1a4a8a;
  --accent: #e94560;
  --cyan: #4cc9f0;
  --text: #e0e0e0;
  --text-dim: #a0a0b0;
  --white: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: rgba(22, 33, 62, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

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

/* Buttons */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: #d63454;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.3);
}

.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

.arrow { margin-left: 4px; }

/* Badge */
.badge {
  display: inline-block;
  background: rgba(76, 201, 240, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(76, 201, 240, 0.3);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

/* Hero */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--white);
}

.highlight { color: var(--cyan); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-note {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Sections */
.section {
  padding: 80px 0;
}

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

.section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--white);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.step {
  padding: 32px 20px;
}

.step-icon {
  margin-bottom: 16px;
}

.step-num {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 12px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--white);
}

.step p {
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.feature-card svg {
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--white);
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Comparison table */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.comparison-table th {
  background: var(--surface);
  color: var(--text-dim);
  font-weight: 600;
}

.comparison-table th.hl,
.comparison-table td.hl {
  background: rgba(76, 201, 240, 0.08);
  color: var(--cyan);
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--white);
}

/* Privacy */
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.privacy-card svg { margin-bottom: 16px; }

.privacy-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--white);
}

.privacy-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.privacy-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--white);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--cyan);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '-';
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p {
  padding: 0 20px 16px;
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* CTA section */
.section-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--surface) 0%, #1a1a2e 100%);
  padding: 80px 0;
}

.section-cta h2 {
  margin-bottom: 12px;
}

.section-cta p {
  color: var(--text-dim);
  margin-bottom: 32px;
}

/* Footer */
.footer {
  padding: 24px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Feature pages: 2-col grid */
.features-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Related links */
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.related-link {
  display: inline-block;
  padding: 12px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--cyan);
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.2s, transform 0.2s;
}

.related-link:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .hero { padding: 120px 0 60px; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .privacy-grid { grid-template-columns: 1fr; gap: 20px; }
  .nav-links a:not(.btn) { display: none; }
  .section { padding: 60px 0; }
  .section h2 { font-size: 1.5rem; margin-bottom: 32px; }
  .btn-lg { padding: 14px 32px; font-size: 1rem; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5rem; }
}

/* === Editriq Rebrand Additions === */
.nav-inner .nav-logo { font-size: 1.35rem; font-weight: 700; letter-spacing: 0.02em; }

.trust-badges { padding: 24px 0; }
.badges-grid { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.trust-badge { display: flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 24px; font-size: 0.85rem; color: var(--text); transition: border-color 0.3s; }
.trust-badge:hover { border-color: var(--cyan); }
.trust-badge svg { width: 18px; height: 18px; stroke: var(--cyan); fill: none; stroke-width: 2; }

.security-subtitle { text-align: center; color: var(--text-dim); margin-bottom: 32px; font-size: 1rem; }
.security-targets { margin-top: 32px; text-align: center; }
.security-targets p { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 8px; }
.target-tags { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.target-tag { padding: 6px 14px; background: rgba(76,201,240,0.1); border: 1px solid rgba(76,201,240,0.2); border-radius: 16px; font-size: 0.8rem; color: var(--cyan); }

.guides-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.guide-card { display: flex; align-items: flex-start; gap: 12px; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; color: var(--text); transition: all 0.2s; }
.guide-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.guide-card svg { flex-shrink: 0; }
.guide-card h3 { font-size: 0.95rem; margin-bottom: 4px; color: var(--white); }
.guide-card p { font-size: 0.8rem; color: var(--text-dim); line-height: 1.4; }

.use-cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.use-case-card { padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; border-left: 3px solid var(--cyan); }
.use-case-card svg { width: 28px; height: 28px; stroke: var(--cyan); fill: none; stroke-width: 2; margin-bottom: 12px; }
.use-case-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--white); }
.use-case-card p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }

.services-section { padding: 48px 0; border-top: 1px solid var(--border); }
.services-section h2 { text-align: center; margin-bottom: 24px; font-size: 1.2rem; color: var(--text-dim); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; max-width: 900px; margin: 0 auto; }
.service-link { display: block; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; text-decoration: none; text-align: center; transition: all 0.2s; }
.service-link:hover { border-color: var(--cyan); transform: translateY(-1px); }
.service-link .service-name { font-size: 0.9rem; font-weight: 600; color: var(--white); margin-bottom: 4px; }
.service-link .service-desc { font-size: 0.75rem; color: var(--text-dim); }

@media (max-width: 600px) {
  .badges-grid { gap: 8px; }
  .trust-badge { padding: 8px 14px; font-size: 0.78rem; }
  .guides-grid, .use-cases-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .target-tags { gap: 6px; }
}