/* ===== Inner Pages Common Styles ===== */

/* Page Banner */
.page-banner {
  background: var(--gradient-hero);
  padding: 140px 0 60px;
  position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; top: -40%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(77,139,255,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 {
  font-size: 2.8rem; font-weight: 800; color: var(--white);
  margin-bottom: 12px; letter-spacing: -0.02em;
}
.page-banner p { font-size: 1.05rem; color: rgba(255,255,255,0.65); }
.page-banner-gold { background: linear-gradient(135deg, #0A1628 0%, #1a2a4a 50%, #0052D9 100%); }

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.5); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.3); }

/* Product Detail Layout */
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.product-detail-visual {
  display: flex; justify-content: center; align-items: center;
}
.product-detail-visual img {
  max-width: 360px; width: 100%;
  filter: drop-shadow(0 20px 40px rgba(0,82,217,0.15));
}

/* Detail Features */
.detail-features { display: flex; flex-direction: column; gap: 16px; }
.detail-feature {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 16px; background: var(--gray-100); border-radius: var(--radius);
}
.detail-feature-icon { font-size: 1.5rem; flex-shrink: 0; }
.detail-feature strong { display: block; color: var(--dark); font-size: 0.95rem; margin-bottom: 4px; }
.detail-feature p { font-size: 0.85rem; color: var(--gray-500); margin: 0; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pricing-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px;
  border: 1.5px solid var(--gray-100); position: relative; transition: var(--transition);
  text-align: center;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,82,217,0.08);
}
.pricing-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-btn); color: var(--white);
  font-size: 0.75rem; font-weight: 700; padding: 4px 16px; border-radius: 50px;
  white-space: nowrap;
}
.pricing-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.pricing-price {
  font-size: 2.4rem; font-weight: 800; color: var(--primary);
  margin-bottom: 24px; line-height: 1;
}
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--gray-500); }
.pricing-features { margin-bottom: 28px; text-align: left; }
.pricing-features li {
  font-size: 0.85rem; color: var(--gray-500); padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; gap: 8px;
}
.pricing-features li::before { content: '✓'; color: var(--accent); font-weight: 700; }

/* Compare Table */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.compare-table { width: 100%; border-collapse: collapse; background: var(--white); }
.compare-table th, .compare-table td {
  padding: 16px 24px; text-align: center; font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-100);
}
.compare-table th {
  background: var(--dark); color: var(--white); font-weight: 700;
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.compare-table th:first-child, .compare-table td:first-child { text-align: left; }
.compare-table .highlight-col { background: var(--primary-bg); color: var(--primary); font-weight: 600; }
.compare-table th.highlight-col { background: var(--primary); color: var(--white); }
.compare-table tr:hover td { background: var(--gray-100); }
.compare-table tr:hover td.highlight-col { background: #ddeaff; }

/* Use Case Grid */
.usecase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.usecase-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px 24px;
  border: 1px solid var(--gray-100); text-align: center; transition: var(--transition);
}
.usecase-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-bg); }
.usecase-icon { font-size: 2.5rem; margin-bottom: 16px; }
.usecase-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.usecase-card p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }

/* Wildcard Demo */
.wildcard-demo {
  background: var(--dark); border-radius: var(--radius-lg); padding: 28px;
  margin-top: 24px;
}
.wildcard-domain {
  font-size: 1.4rem; font-weight: 700; color: var(--accent);
  font-family: monospace; margin-bottom: 16px; text-align: center;
}
.wildcard-covers {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
}
.wildcard-covers span {
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
  font-size: 0.8rem; padding: 6px 14px; border-radius: 50px;
  font-family: monospace;
}

/* About Stats */
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  text-align: center;
}
.about-stat-number {
  font-size: 2.8rem; font-weight: 800;
  background: var(--gradient-btn); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.about-stat-label { font-size: 0.9rem; color: var(--gray-500); }

/* Auth Card */
.auth-card {
  display: flex; gap: 40px; align-items: flex-start;
  background: var(--white); border-radius: var(--radius-lg); padding: 40px;
  border: 1.5px solid var(--primary); box-shadow: var(--shadow-md);
  max-width: 800px; margin: 0 auto;
}
.auth-icon img { width: 100px; }
.auth-content h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.auth-content p { color: var(--gray-500); line-height: 1.7; margin-bottom: 16px; }
.auth-list { display: flex; flex-direction: column; gap: 8px; }
.auth-list li { font-size: 0.9rem; color: var(--primary); font-weight: 500; }

/* Process Steps */
.process-steps { display: flex; flex-direction: column; gap: 0; }
.process-step {
  display: grid; grid-template-columns: 80px 1fr; gap: 32px;
  padding: 40px 0; border-bottom: 1px solid var(--gray-100);
  align-items: flex-start;
}
.process-step:last-child { border-bottom: none; }
.process-step-num {
  font-size: 3rem; font-weight: 900; line-height: 1;
  background: var(--gradient-btn); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}
.process-step-content h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.process-step-content p { color: var(--gray-500); line-height: 1.7; margin-bottom: 12px; }
.process-list { padding-left: 0; }
.process-list li {
  font-size: 0.9rem; color: var(--gray-500); padding: 6px 0;
  display: flex; align-items: flex-start; gap: 8px;
}
.process-list li::before { content: '→'; color: var(--primary); font-weight: 700; flex-shrink: 0; }

/* DCV Methods */
.dcv-methods { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.dcv-method {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--gray-100); border-radius: var(--radius); padding: 16px;
}
.dcv-icon { font-size: 1.5rem; flex-shrink: 0; }
.dcv-method strong { display: block; color: var(--dark); margin-bottom: 4px; }
.dcv-method p { font-size: 0.85rem; color: var(--gray-500); margin: 0; }

/* Timeline */
.timeline-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.timeline-item {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px;
  text-align: center; border: 1px solid var(--gray-100); transition: var(--transition);
}
.timeline-item:hover { box-shadow: var(--shadow-md); }
.timeline-badge {
  display: inline-block; padding: 6px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 700; margin-bottom: 16px;
}
.timeline-badge.dv { background: #e8f5e9; color: #2e7d32; }
.timeline-badge.ov { background: var(--primary-bg); color: var(--primary); }
.timeline-badge.ev { background: #fff3e0; color: #e65100; }
.timeline-item h3 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.timeline-time { font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.timeline-item p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }

/* FAQ */
.faq-category { margin-bottom: 48px; }
.faq-category-title {
  font-size: 1.3rem; font-weight: 700; color: var(--dark);
  margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-bg);
}
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item { border-bottom: 1px solid var(--gray-100); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; background: none; border: none; cursor: pointer;
  font-size: 1rem; font-weight: 600; color: var(--dark); text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  font-size: 1.4rem; color: var(--primary); font-weight: 300;
  flex-shrink: 0; margin-left: 16px; transition: var(--transition);
}
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0;
}
.faq-item.open .faq-answer {
  max-height: 600px; padding-bottom: 20px;
}
.faq-answer p { color: var(--gray-500); line-height: 1.8; font-size: 0.95rem; }
.faq-cta {
  text-align: center; padding: 48px; background: var(--primary-bg);
  border-radius: var(--radius-lg); margin-top: 40px;
}
.faq-cta p { font-size: 1.1rem; color: var(--gray-700); margin-bottom: 20px; font-weight: 500; }

/* Contact Page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: flex-start; }
.contact-methods { display: flex; flex-direction: column; gap: 24px; margin-bottom: 40px; }
.contact-method {
  display: flex; align-items: flex-start; gap: 16px;
}
.contact-method-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--primary-bg); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-method-icon svg { width: 22px; height: 22px; color: var(--primary); }
.contact-method h4 { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.contact-method p { font-size: 0.85rem; color: var(--gray-500); margin: 0 0 4px; }
.contact-response {
  background: var(--gray-100); border-radius: var(--radius-lg); padding: 24px;
}
.contact-response h4 { font-size: 0.9rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.response-items { display: flex; flex-direction: column; gap: 12px; }
.response-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; color: var(--gray-500);
}
.response-item strong { margin-left: auto; color: var(--dark); font-weight: 600; }
.response-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.response-dot.green { background: #22c55e; }
.response-dot.blue { background: var(--primary); }
.response-dot.orange { background: #f59e0b; }

/* Contact Form */
.contact-form-wrap {
  background: var(--white); border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-card); border: 1px solid var(--gray-100);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--gray-700); }
.form-group input, .form-group select, .form-group textarea {
  padding: 12px 16px; border: 1.5px solid var(--gray-300); border-radius: 8px;
  font-size: 0.9rem; outline: none; transition: var(--transition);
  font-family: inherit; background: var(--white); color: var(--gray-700);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,82,217,0.08);
}
.form-group textarea { resize: vertical; }

/* Responsive */
@media (max-width: 1024px) {
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-detail-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .auth-card { flex-direction: column; gap: 24px; }
}
@media (max-width: 768px) {
  .page-banner { padding: 120px 0 40px; }
  .page-banner h1 { font-size: 2rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-grid { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 1fr; gap: 12px; }
  .process-step-num { font-size: 2rem; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
}
@media (max-width: 480px) {
  .usecase-grid { grid-template-columns: 1fr; }
}

/* ===== Compare Page ===== */
.selector-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 40px;
}
.selector-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px 24px;
  border: 1.5px solid var(--gray-100); text-align: center; cursor: pointer;
  transition: var(--transition);
}
.selector-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.selector-icon { font-size: 2.5rem; margin-bottom: 16px; }
.selector-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.selector-card p { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 16px; }
.selector-recommend {
  display: inline-block; background: var(--primary-bg); color: var(--primary);
  font-size: 0.8rem; font-weight: 600; padding: 4px 14px; border-radius: 50px;
}

/* ===== Validation Page ===== */
.dcv-grid { display: flex; flex-direction: column; gap: 32px; margin-top: 40px; }
.dcv-big-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 36px;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-card);
}
.dcv-big-header {
  display: flex; align-items: center; gap: 20px; margin-bottom: 16px;
}
.dcv-big-icon { font-size: 2.5rem; flex-shrink: 0; }
.dcv-big-header h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.dcv-tag {
  display: inline-block; background: var(--gray-100); color: var(--gray-500);
  font-size: 0.75rem; font-weight: 600; padding: 3px 12px; border-radius: 50px;
}
.dcv-tag-blue { background: var(--primary-bg); color: var(--primary); }
.dcv-tag-green { background: #e8f5e9; color: #2e7d32; }
.dcv-big-card > p { color: var(--gray-500); line-height: 1.7; margin-bottom: 20px; }
.dcv-big-card h4 { font-size: 0.9rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.dcv-emails { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.dcv-emails code {
  background: var(--gray-100); color: var(--primary); padding: 6px 14px;
  border-radius: 6px; font-size: 0.85rem;
}
.dcv-code {
  background: var(--dark); border-radius: 10px; padding: 20px; margin-bottom: 20px;
}
.dcv-code-row { display: flex; align-items: center; gap: 16px; margin-bottom: 10px; }
.dcv-code-row:last-child { margin-bottom: 0; }
.dcv-code-label { font-size: 0.75rem; color: rgba(255,255,255,0.4); width: 80px; flex-shrink: 0; }
.dcv-code code { color: var(--accent); font-size: 0.85rem; word-break: break-all; }
.dcv-steps ol { padding-left: 20px; }
.dcv-steps li { font-size: 0.9rem; color: var(--gray-500); padding: 5px 0; line-height: 1.6; }
.dcv-note {
  margin-top: 16px; padding: 12px 16px; background: #fff8e1;
  border-left: 3px solid #f59e0b; border-radius: 6px;
  font-size: 0.85rem; color: #92400e;
}
.dcv-note-blue { background: var(--primary-bg); border-color: var(--primary); color: var(--primary-dark); }

/* ===== News Page ===== */
.news-featured {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  background: var(--white); border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-card); border: 1px solid var(--gray-100);
  margin-bottom: 48px;
}
.news-featured-img img { width: 100%; border-radius: var(--radius); object-fit: cover; max-height: 280px; }
.news-featured-content h2 { font-size: 1.6rem; font-weight: 800; color: var(--dark); margin: 12px 0 16px; line-height: 1.3; }
.news-featured-content p { color: var(--gray-500); line-height: 1.8; margin-bottom: 24px; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.news-tag {
  background: var(--primary-bg); color: var(--primary);
  font-size: 0.75rem; font-weight: 600; padding: 3px 12px; border-radius: 50px;
}
.news-date { font-size: 0.82rem; color: var(--gray-500); }
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.news-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-100); transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-card-img img { width: 100%; height: 180px; object-fit: cover; display: block; }
.news-card-content { padding: 24px; }
.news-card-content h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin: 10px 0 10px; line-height: 1.4; }
.news-card-content p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 16px; }
.news-link { font-size: 0.85rem; color: var(--primary); font-weight: 600; }
.news-link:hover { text-decoration: underline; }

/* ===== Responsive additions ===== */
@media (max-width: 1024px) {
  .selector-grid { grid-template-columns: repeat(2,1fr); }
  .news-featured { grid-template-columns: 1fr; gap: 24px; }
  .news-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .selector-grid { grid-template-columns: repeat(2,1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .dcv-big-card { padding: 24px; }
}
@media (max-width: 480px) {
  .selector-grid { grid-template-columns: 1fr; }
}

/* ===== Site Seal Page ===== */
.seal-styles {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 40px;
}
.seal-style-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px 24px;
  border: 1px solid var(--gray-100); text-align: center; transition: var(--transition);
}
.seal-style-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.seal-preview {
  background: var(--gray-100); border-radius: var(--radius);
  padding: 32px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center; min-height: 120px;
}
.seal-style-card h4 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.seal-style-card p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }

@media (max-width: 768px) {
  .seal-styles { grid-template-columns: 1fr; }
}

/* ===== News Filter ===== */
.news-filter {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px;
}
.filter-btn {
  padding: 8px 20px; border-radius: 50px; border: 1.5px solid var(--gray-200, #e5e7eb);
  background: #fff; color: var(--gray-600, #4b5563); font-size: 0.85rem;
  cursor: pointer; transition: all .2s; font-family: inherit;
}
.filter-btn:hover { border-color: var(--primary, #0052D9); color: var(--primary, #0052D9); }
.filter-btn.active { background: var(--primary, #0052D9); color: #fff; border-color: var(--primary, #0052D9); }

/* ===== News Pagination ===== */
#pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap;
}
.page-btn {
  padding: 8px 16px; border-radius: 8px; border: 1.5px solid var(--gray-200, #e5e7eb);
  background: #fff; color: var(--gray-600, #4b5563); font-size: 0.85rem;
  cursor: pointer; transition: all .2s; font-family: inherit; min-width: 40px;
}
.page-btn:hover:not(.disabled):not(.active) { border-color: var(--primary, #0052D9); color: var(--primary, #0052D9); }
.page-btn.active { background: var(--primary, #0052D9); color: #fff; border-color: var(--primary, #0052D9); }
.page-btn.disabled { opacity: 0.4; cursor: not-allowed; }