/* blog.css - Public Blog Page */

@import './variables.css';

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

body {
  font-family: 'Inter', 'Open Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ============ BACKGROUND ============ */
.bg-effects {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.glow { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.12; }
.orb-1 { width: 600px; height: 600px; background: var(--primary); top: -200px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: var(--primary); bottom: -150px; left: -50px; }
.grid-pattern {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ============ NAV ============ */
.blog-nav {
  position: fixed; top: 0; left: 0; right: 0; height: 70px; z-index: 100;
  background: rgba(10,12,16,0.9); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 40px;
}
.blog-nav .nav-brand { display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--text); }
.blog-nav .brand-logo { width:36px; height:36px; }
.blog-nav .brand-text { font-size:1.4rem; font-weight:700; letter-spacing:2px; }
.blog-nav .nav-links { display:flex; gap:24px; align-items:center; }
.blog-nav .nav-links a { color:var(--text-muted); text-decoration:none; font-size:0.9rem; transition: color 0.2s; }
.blog-nav .nav-links a:hover { color: var(--text); }
.blog-nav .nav-links .btn { padding:8px 18px; border-radius:8px; font-size:0.88rem; }

/* ============ HERO SECTION ============ */
.blog-hero {
  padding: 100px 40px 40px; text-align: center; position: relative; z-index: 1;
}
.blog-hero h1 { font-size: 3rem; font-weight: 800; margin-bottom: 12px; }
.blog-hero h1 span { color: var(--primary); }
.blog-hero p { font-size: 1.1rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ============ 3D CAROUSEL ============ */
.carousel-section { padding: 40px 0 60px; position: relative; z-index: 1; }
.carousel-section h2 { text-align:center; font-size:1.5rem; font-weight:700; margin-bottom:40px; }
.carousel-section h2 span { color:var(--primary); }

.carousel-3d-wrapper {
  perspective: 1200px; width: 100%; overflow: hidden; position: relative;
  height: 400px;
}
.carousel-3d-track {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-card {
  position: absolute; top: 0; left: 50%;
  width: 420px; margin-left: -210px;
  height: 360px; border-radius: 20px; overflow: hidden;
  transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer; border: 1px solid var(--border);
  background: var(--bg-card); backdrop-filter: blur(12px);
  text-decoration: none; color: var(--text);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.carousel-card img {
  width: 100%; height: 200px; object-fit: cover; display: block;
}
.carousel-card-body { padding: 20px; }
.carousel-card .cat-badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  background: var(--primary-glow); color: var(--primary); border: 1px solid var(--primary-glow);
  margin-bottom: 10px;
}
.carousel-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.carousel-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }
.carousel-card .card-meta { display:flex; align-items:center; gap:10px; margin-top: 10px; font-size:0.78rem; color:var(--text-muted); }

/* Card positions */
.carousel-card.pos-0 { transform: translateX(0) scale(1) rotateY(0deg); z-index: 5; opacity: 1; }
.carousel-card.pos-1 { transform: translateX(300px) scale(0.82) rotateY(-20deg); z-index: 4; opacity: 0.7; }
.carousel-card.pos-2 { transform: translateX(520px) scale(0.65) rotateY(-30deg); z-index: 3; opacity: 0.4; }
.carousel-card.pos-neg1 { transform: translateX(-300px) scale(0.82) rotateY(20deg); z-index: 4; opacity: 0.7; }
.carousel-card.pos-neg2 { transform: translateX(-520px) scale(0.65) rotateY(30deg); z-index: 3; opacity: 0.4; }
.carousel-card.pos-hidden { opacity: 0; pointer-events: none; z-index: 1; }

.carousel-controls {
  display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 20px;
}
.carousel-btn {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border);
  background: rgba(255,255,255,0.06); color: var(--text); cursor: pointer; font-size: 1.1rem;
  transition: all 0.2s; display: flex; align-items: center; justify-content: center;
}
.carousel-btn:hover { background: var(--primary); border-color: var(--primary); }

.carousel-dots { display: flex; gap: 8px; }
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,0.2); transition: all 0.3s;
}
.carousel-dot.active { background: var(--primary); transform: scale(1.3); }

/* ============ BLOG GRID ============ */
.blog-grid-section { padding: 40px; position: relative; z-index: 1; max-width: 1400px; margin: 0 auto; }
.section-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 28px; }
.section-title span { color: var(--primary); }

.blog-filters {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px;
}
.filter-tag {
  padding: 7px 16px; border-radius: 20px; font-size: 0.82rem; cursor: pointer;
  border: 1px solid var(--border); background: rgba(255,255,255,0.04); color: var(--text-muted);
  transition: all 0.2s;
}
.filter-tag:hover, .filter-tag.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden; transition: all 0.3s;
  text-decoration: none; color: var(--text); display: block;
  transform: translateY(40px); opacity: 0;
  transition: transform 0.5s ease, opacity 0.5s ease, border-color 0.2s;
  padding-top: 12px; /* gap above the image */
}
.blog-card.visible { transform: translateY(0); opacity: 1; }
.blog-card:hover { border-color: rgba(235,22,22,0.4); transform: translateY(-4px); }
.blog-card.visible:hover { transform: translateY(-4px); }

.blog-card.featured {
  grid-column: span 2;
}
.blog-card.featured .blog-card-img { height: 280px; }
.blog-card.featured .blog-card-img { margin: 0 12px; width: calc(100% - 24px); }

.blog-card.tall {
  grid-row: span 2;
}

.blog-card-img {
  width: 100%; height: 200px; object-fit: cover; display: block;
  background: #1a1c24;
  border-radius: 10px 10px 0 0;
  margin: 0 12px; width: calc(100% - 24px);
}
.blog-card-body { padding: 20px; }
.blog-card-cat {
  display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  color: var(--primary); margin-bottom: 8px;
}
.blog-card-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.blog-card-title.large { font-size: 1.2rem; }
.blog-card-excerpt { font-size: 0.84rem; color: var(--text-muted); line-height: 1.55; margin-bottom: 14px; }
.blog-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.78rem; color: var(--text-muted); }
.blog-card-meta .author-avatar {
  width: 24px; height: 24px; border-radius: 50%; background: var(--primary-glow);
  display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 700; color: var(--primary);
}

/* Load more */
.load-more-wrapper { text-align: center; padding: 40px 0; }
.load-more-spinner { display: none; color: var(--text-muted); font-size: 0.9rem; }
.load-more-spinner.active { display: block; }

/* Responsive */
@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card.featured { grid-column: span 1; }
  .blog-card.tall { grid-row: span 1; }
  .carousel-card { width: 320px; margin-left: -160px; }
  .carousel-card.pos-1 { transform: translateX(220px) scale(0.8) rotateY(-20deg); }
  .carousel-card.pos-neg1 { transform: translateX(-220px) scale(0.8) rotateY(20deg); }
  .carousel-card.pos-2, .carousel-card.pos-neg2 { opacity: 0; }
  .blog-hero h1 { font-size: 2rem; }
  .blog-grid-section, .blog-hero { padding: 40px 20px; }
}

/* Blog post page */
.blog-post-content {
  max-width: 780px; margin: 0 auto; padding: 100px 40px 80px;
  position: relative; z-index: 1;
}
.blog-post-content img.cover { width: 100%; border-radius: 16px; margin-bottom: 32px; }
.blog-post-content h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
.blog-post-content .post-meta { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 28px; display:flex; gap:16px; flex-wrap:wrap; }
.blog-post-content .post-body { font-size: 1rem; line-height: 1.8; color: var(--text-secondary); }
.blog-post-content .post-body h2 { color: var(--text); font-size: 1.4rem; margin: 28px 0 12px; }
.blog-post-content .post-body p { margin-bottom: 16px; }