/* ============================================================
   TOURIXA BLOG — Page-Specific Styles
   Extends: Tourixa Design System v1.0.0
   ============================================================ */

/* ── HERO CINEMATIC ── */
.hero-cinematic {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  isolation: isolate;
}
.hero-cinematic::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(6,13,26,0.25) 0%,
    rgba(6,13,26,0.15) 40%,
    rgba(6,13,26,0.55) 75%,
    rgba(6,13,26,0.90) 100%);
  pointer-events: none;
  z-index: 2;
}
.hero-cinematic .parallax-bg {
  position: absolute;
  inset: -15%;
  background-size: cover;
  background-position: center;
  will-change: transform;
  animation: hero-zoom 20s ease-in-out infinite alternate;
  z-index: 0;
}
@keyframes hero-zoom {
  from { transform: scale(1) translateY(0); }
  to   { transform: scale(1.08) translateY(-10px); }
}
.hero-text-block {
  max-width: 720px;
}
.hero-text-block h1 {
  color: #fff;
  margin-block: var(--space-3);
  font-size: var(--text-cinematic);
}
.hero-text-block h1 .text-gradient {
  -webkit-text-fill-color: transparent;
}

/* ── FEATURED ARTICLES ── */
.section-featured {
  background: var(--color-bg);
  position: relative;
}
.featured-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-4);
  align-items: stretch;
}
.featured-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  cursor: pointer;
  isolation: isolate;
}
.featured-card-media {
  position: absolute;
  inset: 0;
}
.featured-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.featured-card-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  background: var(--gradient-card-overlay);
}
.featured-card-large {
  min-height: 560px;
}
.featured-card-small {
  min-height: 560px;
}
.featured-card-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: #fff;
  line-height: var(--leading-snug);
  margin-block-end: var(--space-2);
}
.featured-card-small .featured-card-title {
  font-size: var(--text-xl);
}
.featured-card-excerpt {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.75);
  line-height: var(--leading-relaxed);
}
.featured-card-small .featured-card-excerpt {
  font-size: var(--text-sm);
}
.featured-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.3);
}

@media (max-width: 1023px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .featured-card-large,
  .featured-card-small {
    min-height: 400px;
  }
}
@media (max-width: 767px) {
  .featured-card-large,
  .featured-card-small {
    min-height: 340px;
  }
  .featured-card-content {
    padding: var(--space-4);
  }
  .featured-card-title {
    font-size: var(--text-lg);
  }
}

/* ── CATEGORY FILTER ── */
.section-filter {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-4);
  position: sticky;
  top: 60px;
  z-index: var(--z-sticky);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
[data-theme="dark"] .section-filter,
.dark-mode .section-filter {
  background: rgba(13, 26, 46, 0.92);
}
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-label {
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}
.filter-tab {
  padding: var(--space-1) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  white-space: nowrap;
  transition:
    background   var(--transition-fast),
    color        var(--transition-fast),
    border-color var(--transition-fast),
    transform    var(--transition-fast),
    box-shadow   var(--transition-fast);
}
.filter-tab:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}
.filter-tab.is-active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
[data-theme="dark"] .filter-tab.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

@media (max-width: 767px) {
  .section-filter {
    top: 52px;
    padding-block: var(--space-3);
  }
  .filter-label { display: none; }
}

/* ── BLOG GRID ── */
.section-blog-grid {
  background: var(--color-bg);
}
.blog-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition:
    transform   var(--transition-base),
    box-shadow  var(--transition-base),
    border-color var(--transition-base);
  cursor: pointer;
}
.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.blog-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  will-change: transform;
}
.blog-card:hover .blog-card-media img {
  transform: scale(1.08);
}
.blog-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,13,26,0.3) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}
.blog-card:hover .blog-card-overlay {
  opacity: 1;
}
.blog-card-badge {
  position: absolute;
  top: var(--space-3);
  inset-inline-start: var(--space-3);
  z-index: 2;
}
.blog-card-body {
  padding: var(--space-4);
}
.blog-card-meta {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-block-end: var(--space-2);
}
.blog-card-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin-block-end: var(--space-2);
  transition: color var(--transition-fast);
}
.blog-card:hover .blog-card-title {
  color: var(--color-accent);
}
.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-block-end: var(--space-3);
}
.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.blog-card-link:hover {
  gap: var(--space-2);
  color: var(--color-accent-hover);
}
.blog-card-link svg {
  transition: transform var(--transition-fast);
}
.blog-card-link:hover svg {
  transform: translateX(3px);
}

/* Blog card hidden by filter */
.blog-card.is-hidden {
  display: none;
}
.blog-card.is-fading {
  animation: card-fade-out 0.3s var(--ease-smooth) forwards;
}
.blog-card.is-appearing {
  animation: card-fade-in 0.4s var(--ease-smooth) forwards;
}
@keyframes card-fade-out {
  to { opacity: 0; transform: scale(0.95) translateY(10px); }
}
@keyframes card-fade-in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── VISUAL STORY SECTION ── */
.section-visual-story {
  position: relative;
  overflow: hidden;
}
.visual-story-wrapper {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.visual-story-bg {
  position: absolute;
  inset: 0;
}
.visual-story-bg img {
  width: 100%;
  height: 120%;
  object-fit: cover;
  will-change: transform;
}
.visual-story-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(6,13,26,0.40) 0%,
    rgba(6,13,26,0.25) 30%,
    rgba(6,13,26,0.50) 70%,
    rgba(6,13,26,0.92) 100%);
  pointer-events: none;
  z-index: 2;
}
.visual-story-atmosphere {
  z-index: 3;
}
.visual-story-plane {
  position: absolute;
  inset-inline-start: 5%;
  top: 25%;
  z-index: 4;
  pointer-events: none;
}
.visual-story-content {
  position: relative;
  z-index: 5;
  padding-block: var(--space-8);
  max-width: 640px;
}
.visual-story-heading {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--weight-black);
  color: #fff;
  line-height: var(--leading-tight);
  margin-block: var(--space-3);
}
.visual-story-text {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.80);
  line-height: var(--leading-relaxed);
  margin-block-end: var(--space-5);
}
.visual-story-stats {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.visual-stat {
  text-align: center;
}
.visual-stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: #fff;
  line-height: 1;
  display: block;
  margin-block-end: var(--space-1);
}
.visual-stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
}
.visual-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

@media (max-width: 767px) {
  .visual-story-wrapper {
    min-height: 550px;
  }
  .visual-story-content {
    padding-block: var(--space-6);
  }
  .visual-story-heading {
    font-size: var(--text-2xl);
  }
  .visual-story-text {
    font-size: var(--text-base);
  }
  .visual-story-stats {
    gap: var(--space-3);
  }
  .visual-stat-number {
    font-size: var(--text-2xl);
  }
  .visual-story-plane {
    display: none;
  }
}

/* ── AUTHOR SECTION ── */
.section-author {
  background: var(--color-surface-2);
  position: relative;
}
.author-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition:
    transform   var(--transition-base),
    box-shadow  var(--transition-base);
}
.author-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.author-card-image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.author-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.author-card:hover .author-card-image img {
  transform: scale(1.05);
}
.author-card-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,13,26,0.20) 0%, transparent 40%);
  pointer-events: none;
}
.author-card-body {
  padding: var(--space-4);
}
.author-card-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-block-end: var(--space-1);
}
.author-card-role {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
  display: block;
  margin-block-end: var(--space-3);
}
.author-card-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-block-end: var(--space-3);
}
.author-card-stats {
  display: flex;
  gap: var(--space-4);
  margin-block-end: var(--space-3);
  padding-block: var(--space-3);
  border-block: 1px solid var(--color-border);
}
.author-card-stats div {
  text-align: center;
}
.author-card-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}
.author-card-stats span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.author-card-social {
  display: flex;
  gap: var(--space-2);
}
.author-social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition:
    background   var(--transition-fast),
    color        var(--transition-fast),
    border-color var(--transition-fast),
    transform    var(--transition-fast);
}
.author-social-link:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* ── INSIGHT QUOTE ── */
.insight-quote {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  padding: var(--space-6);
  position: relative;
}
.insight-quote::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 2px;
  background: var(--gradient-sunset);
  border-radius: var(--radius-full);
}
.insight-quote-text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-medium);
  font-style: italic;
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  margin-block-end: var(--space-3);
}
.insight-quote-author {
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
}
@media (max-width: 767px) {
  .insight-quote-text {
    font-size: var(--text-lg);
  }
}

/* ── NEWSLETTER SECTION ── */
.section-newsletter {
  position: relative;
  overflow: hidden;
}
.newsletter-wrapper {
  position: relative;
  background: var(--gradient-hero);
  padding-block: var(--space-section);
  overflow: hidden;
  isolation: isolate;
}
.newsletter-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.newsletter-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(244,98,42,0.18) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}
.newsletter-content {
  position: relative;
  z-index: 5;
}
.newsletter-inner {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
}
.newsletter-text h2 {
  color: #fff;
  margin-block: var(--space-2);
  font-size: var(--text-display);
}
.newsletter-text p {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-lg);
}
.newsletter-form {
  display: flex;
  gap: var(--space-2);
  margin-block: var(--space-5);
}
.newsletter-input-wrap {
  flex: 1;
}
.newsletter-input-wrap .form-input {
  height: 52px;
  background: rgba(255,255,255,0.10);
  border: 1.5px solid rgba(255,255,255,0.20);
  color: #fff;
  font-size: var(--text-base);
  border-radius: var(--radius-full);
  padding-inline: var(--space-5);
}
.newsletter-input-wrap .form-input::placeholder {
  color: rgba(255,255,255,0.45);
}
.newsletter-input-wrap .form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(244,98,42,0.30);
  background: rgba(255,255,255,0.15);
}
.newsletter-input-wrap .icon {
  color: rgba(255,255,255,0.45);
}
.newsletter-submit {
  flex-shrink: 0;
  border-radius: var(--radius-full);
  height: 52px;
}
.newsletter-disclaimer {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

@media (max-width: 767px) {
  .newsletter-form {
    flex-direction: column;
  }
  .newsletter-text h2 {
    font-size: var(--text-2xl);
  }
  .newsletter-text p {
    font-size: var(--text-base);
  }
}

/* ── FOOTER ── */
.site-footer {
  background: var(--color-surface);
  border-block-start: 1px solid var(--color-border);
  padding-block-start: var(--space-8);
  padding-block-end: var(--space-5);
}
.footer-grid {
  gap: var(--space-6);
  margin-block-end: var(--space-7);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-block: var(--space-3);
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-block-start: var(--space-3);
}
.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition:
    background   var(--transition-fast),
    color        var(--transition-fast),
    border-color var(--transition-fast),
    transform    var(--transition-fast);
}
.footer-social-link:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.footer-heading {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-block-end: var(--space-4);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}
.footer-links a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--space-5);
  border-block-start: 1px solid var(--color-border);
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}
.footer-bottom-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-bottom-links a:hover {
  color: var(--color-accent);
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
  .footer-brand {
    grid-column: span 2;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}
@media (max-width: 479px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
}

/* ── NAV SCROLL STATE ── */
.nav.is-scrolled .nav-logo {
  color: var(--color-text-primary);
}
.nav.is-scrolled .nav-link {
  color: var(--color-text-secondary);
}
.nav.is-scrolled .nav-link:hover,
.nav.is-scrolled .nav-link.active {
  color: var(--color-text-primary);
}
.nav.is-scrolled .nav-theme-toggle {
  color: var(--color-text-secondary);
}
.nav.is-scrolled .nav-cta-btn {
  display: inline-flex;
}

/* ── THEME TOGGLE ICON ── */
.nav-theme-toggle .icon-sun,
.nav-theme-toggle .icon-moon {
  transition: transform var(--transition-base), opacity var(--transition-base);
}
[data-theme="dark"] .nav-theme-toggle .icon-sun {
  display: none;
}
[data-theme="light"] .nav-theme-toggle .icon-moon {
  display: none;
}
.nav-theme-toggle .icon-moon {
  display: none;
}
[data-theme="dark"] .nav-theme-toggle .icon-moon {
  display: block;
}

/* ── 3D CARD EFFECT ── */
.card-3d {
  transform-style: preserve-3d;
  perspective: 800px;
}
.card-3d .blog-card-body {
  transition: transform 0.15s ease;
}
.card-3d.is-tilting .blog-card-body {
  transform: translateZ(20px);
}

/* ── CANVAS PARTICLES ── */
#particleCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* ── NEWSLETTER SUCCESS STATE ── */
.newsletter-form.is-success .newsletter-input-wrap {
  display: none;
}
.newsletter-form.is-success .newsletter-submit {
  width: 100%;
  background: var(--color-jungle);
  box-shadow: none;
  pointer-events: none;
}
.newsletter-form.is-success .newsletter-submit svg {
  display: none;
}
.newsletter-form.is-success::after {
  content: 'You\'re subscribed! ✈️';
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── LOAD MORE STATES ── */
#loadMoreBtn.is-loading {
  pointer-events: none;
  color: transparent;
}
#loadMoreBtn.is-loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ── SMOOTH SECTION TRANSITIONS ── */
.section-featured::before,
.section-blog-grid::before {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 120px;
  background: linear-gradient(to bottom, var(--color-bg), transparent);
  pointer-events: none;
  z-index: 1;
}

/* ── BACK TO TOP (hidden by default, shown via JS) ── */
.back-to-top {
  position: fixed;
  bottom: var(--space-5);
  inset-inline-end: var(--space-5);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  z-index: var(--z-raised);
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  pointer-events: none;
  transition:
    opacity     var(--transition-base),
    transform   var(--transition-base),
    box-shadow  var(--transition-fast);
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}