/* ===== Hub Pages Premium Upgrade ===== */

/* --- Hero Enhancements --- */
.page-hero {
 position: relative;
}

.hero-breadcrumb {
 display: flex;
 align-items: center;
 gap: 0.5rem;
 font-size: 0.9rem;
 opacity: 0;
 animation: fadeInUp 0.6s ease forwards;
 animation-delay: 0.2s;
 margin-bottom: 1rem;
}

.hero-breadcrumb a {
 color: rgba(255,255,255,0.7);
 text-decoration: none;
 transition: color 0.2s;
}

.hero-breadcrumb a:hover { color: white; }

.hero-breadcrumb span { color: rgba(255,255,255,0.5); }

.hero-breadcrumb .current { color: white; font-weight: 500; }

.page-hero-content h1 {
 opacity: 0;
 animation: fadeInUp 0.8s ease forwards;
 animation-delay: 0.4s;
}

.page-hero-content > p {
 opacity: 0;
 animation: fadeInUp 0.8s ease forwards;
 animation-delay: 0.6s;
}

.page-hero-content .page-hero-icon {
 opacity: 0;
 animation: fadeInUp 0.6s ease forwards;
 animation-delay: 0.1s;
}

/* Blog hero same treatment */
.blog-hero-content h1 {
 opacity: 0;
 animation: fadeInUp 0.8s ease forwards;
 animation-delay: 0.4s;
}

.blog-hero-content > p {
 opacity: 0;
 animation: fadeInUp 0.8s ease forwards;
 animation-delay: 0.6s;
}

@keyframes fadeInUp {
 from { opacity: 0; transform: translateY(20px); }
 to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
 from { opacity: 0; }
 to { opacity: 1; }
}

/* --- Card Grid Improvements --- */
.topic-card,
.guide-card,
.story-card,
.post-card,
.method-card,
.value-card,
.program-card,
.treatment-card,
.kurul-card {
 transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
 box-shadow 0.3s ease,
 border-color 0.3s ease;
}

.topic-card:hover,
.guide-card:hover,
.story-card:hover,
.post-card:hover,
.method-card:hover,
.value-card:hover,
.program-card:hover,
.treatment-card:hover {
 transform: translateY(-8px) scale(1.01);
 box-shadow: 0 20px 60px rgba(13, 115, 119, 0.15);
}

/* Category tags on cards */
.hub-card-tag {
 display: inline-block;
 background: rgba(13, 115, 119, 0.1);
 color: #0D7377;
 padding: 0.25rem 0.75rem;
 border-radius: 20px;
 font-size: 0.75rem;
 font-weight: 600;
 margin-bottom: 0.75rem;
 letter-spacing: 0.02em;
}

.hub-card-tag.orange {
 background: rgba(232, 150, 62, 0.1);
 color: #E8963E;
}

/* Reading time badge */
.hub-read-time {
 display: inline-flex;
 align-items: center;
 gap: 0.35rem;
 font-size: 0.8rem;
 color: var(--text-gray, #6B7280);
 margin-top: 0.5rem;
}

.hub-read-time svg {
 width: 14px;
 height: 14px;
}

/* Image placeholder with gradient */
.hub-img-placeholder {
 width: 100%;
 height: 200px;
 background: linear-gradient(135deg, #0D7377 0%, #195157 100%);
 display: flex;
 align-items: center;
 justify-content: center;
 border-radius: 12px 12px 0 0;
}

.hub-img-placeholder svg {
 width: 60px;
 height: 60px;
 color: rgba(255,255,255,0.25);
}

/* Staggered fade-in on scroll */
.hub-fade-in {
 opacity: 0;
 transform: translateY(30px);
 transition: opacity 0.6s ease, transform 0.6s ease;
}

.hub-fade-in.visible {
 opacity: 1;
 transform: translateY(0);
}

/* Stagger delays via CSS */
.hub-fade-in:nth-child(1) { transition-delay: 0s; }
.hub-fade-in:nth-child(2) { transition-delay: 0.1s; }
.hub-fade-in:nth-child(3) { transition-delay: 0.2s; }
.hub-fade-in:nth-child(4) { transition-delay: 0.3s; }
.hub-fade-in:nth-child(5) { transition-delay: 0.4s; }
.hub-fade-in:nth-child(6) { transition-delay: 0.5s; }
.hub-fade-in:nth-child(7) { transition-delay: 0.6s; }
.hub-fade-in:nth-child(8) { transition-delay: 0.7s; }
.hub-fade-in:nth-child(9) { transition-delay: 0.8s; }

/* --- Sticky Sub-Navigation --- */
.hub-subnav {
 background: rgba(255, 255, 255, 0.97);
 backdrop-filter: blur(12px);
 padding: 0.75rem 2rem;
 border-bottom: 1px solid var(--border-light, #E5E7EB);
 position: sticky;
 top: 85px;
 z-index: 100;
 overflow-x: auto;
 -webkit-overflow-scrolling: touch;
}

.hub-subnav-inner {
 max-width: 1200px;
 margin: 0 auto;
 display: flex;
 gap: 0.5rem;
 justify-content: center;
}

.hub-subnav-link {
 padding: 0.6rem 1.25rem;
 border-radius: 25px;
 color: var(--text-gray, #6B7280);
 text-decoration: none;
 font-weight: 500;
 font-size: 0.9rem;
 white-space: nowrap;
 transition: all 0.2s;
 min-height: 44px;
 display: flex;
 align-items: center;
}

.hub-subnav-link:hover {
 color: #0D7377;
 background: rgba(13, 115, 119, 0.06);
}

.hub-subnav-link.active {
 color: white;
 background: #0D7377;
}

/* --- Newsletter Section --- */
.hub-newsletter {
 background: linear-gradient(135deg, #195157 0%, #0D7377 100%);
 padding: 4rem 2rem;
 text-align: center;
 color: white;
 border-radius: 20px;
 margin: 3rem auto;
 max-width: 1200px;
}

.hub-newsletter h2 {
 font-size: 1.75rem;
 font-weight: 700;
 margin-bottom: 0.5rem;
}

.hub-newsletter p {
 opacity: 0.9;
 margin-bottom: 1.5rem;
 max-width: 500px;
 margin-left: auto;
 margin-right: auto;
}

.hub-newsletter-form {
 display: flex;
 gap: 0.75rem;
 max-width: 480px;
 margin: 0 auto;
}

.hub-newsletter-form input {
 flex: 1;
 padding: 0.875rem 1.25rem;
 border: 2px solid rgba(255,255,255,0.3);
 border-radius: 10px;
 font-size: 1rem;
 background: rgba(255,255,255,0.1);
 color: white;
 font-family: inherit;
 min-height: 44px;
}

.hub-newsletter-form input::placeholder {
 color: rgba(255,255,255,0.6);
}

.hub-newsletter-form input:focus {
 outline: none;
 border-color: #E8963E;
 background: rgba(255,255,255,0.15);
}

.hub-newsletter-form button {
 padding: 0.875rem 1.75rem;
 background: #E8963E;
 color: white;
 border: none;
 border-radius: 10px;
 font-weight: 600;
 cursor: pointer;
 font-size: 0.95rem;
 transition: all 0.2s;
 white-space: nowrap;
 min-height: 44px;
 font-family: inherit;
}

.hub-newsletter-form button:hover {
 background: #D4862F;
 transform: translateY(-1px);
}

.hub-newsletter-success {
 display: none;
 color: #10B981;
 margin-top: 1rem;
 font-weight: 500;
}

/* --- Related Content Suggestions --- */
.hub-related {
 padding: 4rem 2rem;
 max-width: 1200px;
 margin: 0 auto;
}

.hub-related h2 {
 font-size: 1.5rem;
 font-weight: 700;
 margin-bottom: 2rem;
 text-align: center;
 color: var(--text-dark, #1F2937);
}

.hub-related-grid {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 1.5rem;
}

.hub-related-card {
 display: flex;
 align-items: center;
 gap: 1rem;
 padding: 1.25rem;
 background: var(--bg-white, white);
 border-radius: 12px;
 border: 1px solid var(--border-light, #E5E7EB);
 text-decoration: none;
 color: inherit;
 transition: all 0.3s;
 min-height: 44px;
}

.hub-related-card:hover {
 transform: translateY(-3px);
 box-shadow: 0 8px 25px rgba(0,0,0,0.08);
 border-color: #0D7377;
}

.hub-related-icon {
 width: 48px;
 height: 48px;
 background: linear-gradient(135deg, #0D7377, #195157);
 border-radius: 12px;
 display: flex;
 align-items: center;
 justify-content: center;
 flex-shrink: 0;
}

.hub-related-icon svg {
 width: 22px;
 height: 22px;
 color: white;
}

.hub-related-text h4 {
 font-size: 0.95rem;
 font-weight: 600;
 margin-bottom: 0.2rem;
}

.hub-related-text p {
 font-size: 0.8rem;
 color: var(--text-gray, #6B7280);
}

/* --- Social Sharing Buttons --- */
.hub-social-share {
 display: flex;
 align-items: center;
 justify-content: center;
 gap: 1rem;
 padding: 1.5rem 0;
}

.hub-social-share span {
 font-size: 0.9rem;
 color: var(--text-gray, #6B7280);
 font-weight: 500;
}

.hub-share-btn {
 width: 44px;
 height: 44px;
 border-radius: 50%;
 display: flex;
 align-items: center;
 justify-content: center;
 text-decoration: none;
 transition: all 0.2s;
 border: 1px solid var(--border-light, #E5E7EB);
 background: white;
 color: var(--text-gray, #6B7280);
}

.hub-share-btn:hover {
 transform: translateY(-2px);
 box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.hub-share-btn.twitter:hover { background: #1DA1F2; color: white; border-color: #1DA1F2; }
.hub-share-btn.facebook:hover { background: #4267B2; color: white; border-color: #4267B2; }
.hub-share-btn.whatsapp:hover { background: #25D366; color: white; border-color: #25D366; }
.hub-share-btn.linkedin:hover { background: #0077B5; color: white; border-color: #0077B5; }

.hub-share-btn svg {
 width: 20px;
 height: 20px;
}

/* --- Coming Soon Badge --- */
.hub-coming-soon {
 display: inline-flex;
 align-items: center;
 gap: 0.35rem;
 color: var(--text-gray, #6B7280);
 font-size: 0.85rem;
 font-weight: 500;
 padding: 0.5rem 1rem;
 background: var(--bg-cream, #FAFAF8);
 border-radius: 8px;
 border: 1px dashed var(--border-light, #E5E7EB);
 cursor: default;
}

.hub-coming-soon-card {
 position: relative;
 opacity: 0.7;
 pointer-events: none;
}

.hub-coming-soon-card::after {
 content: 'Yakında';
 position: absolute;
 top: 1rem;
 right: 1rem;
 background: rgba(0,0,0,0.6);
 color: white;
 padding: 0.3rem 0.75rem;
 border-radius: 15px;
 font-size: 0.75rem;
 font-weight: 600;
 z-index: 5;
}

/* --- Mobile-First Responsive --- */
@media (max-width: 768px) {
 .hub-related-grid {
 grid-template-columns: 1fr;
 }

 .hub-newsletter-form {
 flex-direction: column;
 }

 .hub-subnav-inner {
 justify-content: flex-start;
 }

 .hub-social-share {
 flex-wrap: wrap;
 }

 .hero-breadcrumb {
 font-size: 0.8rem;
 flex-wrap: wrap;
 }
}

@media (max-width: 480px) {
 .hub-newsletter {
 padding: 3rem 1.5rem;
 margin: 2rem 1rem;
 border-radius: 16px;
 }

 .hub-related {
 padding: 3rem 1rem;
 }
}

/* Touch target sizes */
@media (pointer: coarse) {
 .hub-subnav-link,
 .hub-share-btn,
 .hub-related-card,
 .hub-newsletter-form button,
 .hub-newsletter-form input,
 .topic-card,
 .guide-card,
 .filter-tab,
 .category-tab,
 .category-btn,
 .tool-nav-btn {
 min-height: 44px;
 }
}