/* ═══════════════════════════════════════════
   blog.css — Blog page specific styles
   Common styles in style.css
   ═══════════════════════════════════════════ */

/* container 상하 여백 제거 (style.css 4rem override → N0005와 동일하게 0) */
#page-hero .container,
#filter-bar .container,
#featured .container,
#blog-grid .container,
#newsletter .container { padding-top: 0; padding-bottom: 0; }

/* PAGE HERO */
#page-hero { padding: 160px 0 120px; min-height: 0; border-bottom: 1px solid var(--border); background: none; position: relative; overflow: hidden; }
.hero-center { display: flex; flex-direction: column; align-items: center; text-align: center; }
#page-hero .hero-bg {
  position: absolute; inset: 0;
  background: url("https://pub-c549a01ee99b46c388128ba4507e19fc.r2.dev/blog.png") center/cover no-repeat;
  z-index: 0;
}
#page-hero .hero-overlay { position: absolute; inset: 0; background: rgba(28,34,40,.88); z-index: 1; }
#page-hero .container { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); margin-bottom: 24px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--focus); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

/* LOTTIE WIDGET */
.lottie-wrap { background: rgba(28,34,40,.85); border: 1px solid rgba(230,184,2,.2); border-radius: 16px; padding: 28px; backdrop-filter: blur(12px); min-height: 300px; }
.lstep { display: none; animation: lstepIn .45s ease forwards; }
.lstep-active { display: block; }
@keyframes lstepIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.lstep-label { display: flex; align-items: center; gap: 7px; font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 10px; }
.lstep-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--focus); animation: lpulse 1.4s infinite; }
@keyframes lpulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.lstep-title { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.lplan-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.lplan-item { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--border); font-size: 13px; opacity: 0; animation: lslide .4s ease forwards; animation-delay: var(--d); }
.lplan-item.hi { border-color: var(--focus); background: rgba(230,184,2,.06); }
@keyframes lslide { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: translateX(0); } }
.lplan-name { color: #fff; font-weight: 600; }
.lplan-val  { color: var(--focus); font-weight: 800; font-size: 15px; }
.lstep-bar { height: 3px; background: var(--border); border-radius: 3px; overflow: hidden; margin-bottom: 10px; }
.lstep-fill { height: 100%; border-radius: 3px; background: var(--focus); width: 0; animation: lbar .9s ease forwards .1s; }
@keyframes lbar { to { width: 100%; } }
.lstep-status { font-size: 12px; font-weight: 700; color: var(--focus); letter-spacing: .06em; }
.lnav-row { display: flex; align-items: center; gap: 8px; margin-top: 18px; }
.lnav-btn { width: 8px; height: 8px; border-radius: 50%; background: var(--border); border: none; padding: 0; cursor: pointer; transition: background .3s, transform .3s; }
.lnav-btn.active { background: var(--focus); transform: scale(1.3); }
.lnav-label { font-size: 11px; color: var(--text-muted); margin-left: 8px; letter-spacing: .06em; text-transform: uppercase; }

/* FILTER BAR */
#filter-bar { background: var(--bg-main); padding: 36px 0 0; }
.filter-list { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px; border-radius: 22px; border: 1px solid var(--border);
  background: transparent; color: var(--text-muted);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all .2s; font-family: inherit;
}
.filter-btn:hover { border-color: var(--focus); color: var(--focus); }
.filter-btn.active { background: var(--focus); border-color: var(--focus); color: var(--btn-text); }

/* FEATURED POST */
#featured { padding: 52px 0 0; background: var(--bg-main); }
.featured-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: var(--bg-sub); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  transition: border-color .25s;
}
.featured-card:hover { border-color: var(--focus); }
.featured-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-card) 0%, #1e3040 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.featured-thumb-icon { width: 80px; height: 80px; opacity: .18; }
.featured-thumb-icon svg { width: 80px; height: 80px; stroke: var(--focus); fill: none; stroke-width: 1; stroke-linecap: round; stroke-linejoin: round; }
.featured-badge {
  position: absolute; top: 20px; left: 20px;
  background: var(--focus); color: var(--btn-text);
  font-size: 10px; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; padding: 5px 14px; border-radius: 22px;
}
.featured-body { padding: 36px 40px; display: flex; flex-direction: column; justify-content: center; }
.featured-cat { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--focus); margin-bottom: 12px; }
.featured-body h2 { font-size: clamp(18px, 2vw, 26px); font-weight: 800; color: #fff; line-height: 1.35; margin-bottom: 12px; }
.featured-body p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; }
.featured-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-dim); margin-bottom: 20px; }
.featured-meta span { display: flex; align-items: center; gap: 6px; }
.featured-meta svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* BLOG GRID */
#blog-grid { padding: 52px 0 96px; background: var(--bg-main); }
.grid-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 36px; }
.grid-header h3 { font-size: 18px; font-weight: 700; color: #fff; }
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card {
  background: var(--bg-sub); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  transition: transform .22s, border-color .22s;
  display: flex; flex-direction: column;
}
.post-card:hover { transform: translateY(-5px); border-color: var(--focus2); }
.post-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-sub));
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.post-thumb svg { width: 44px; height: 44px; stroke: var(--text-dim); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; opacity: .5; }
.post-thumb-accent {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--focus); opacity: 0;
  transition: opacity .22s;
}
.post-card:hover .post-thumb-accent { opacity: 1; }
.post-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.post-cat { font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--focus); margin-bottom: 10px; }
.post-card h3 { font-size: 15px; font-weight: 700; color: #fff; line-height: 1.45; margin-bottom: 10px; }
.post-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; flex: 1; }
.post-footer { display: flex; align-items: center; justify-content: space-between; }
.post-meta { font-size: 12px; color: var(--text-dim); }
.post-read { font-size: 12px; font-weight: 700; color: var(--focus); display: flex; align-items: center; gap: 4px; }
.post-read svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

/* NEWSLETTER */
#newsletter { padding: 80px 0; background: var(--bg-sub); border-top: 1px solid var(--border); }
.newsletter-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.newsletter-text h2 { font-size: clamp(20px, 3vw, 28px); font-weight: 800; color: #fff; margin-bottom: 8px; }
.newsletter-text p { font-size: 15px; color: var(--text-muted); max-width: 440px; }
.newsletter-form { display: flex; gap: 12px; flex-wrap: wrap; }
.newsletter-input { flex: 1; min-width: 220px; padding: 12px 18px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-card); color: #fff; font-size: 14px; font-family: inherit; outline: none; transition: border-color .2s; }
.newsletter-input:focus { border-color: var(--focus); }
.newsletter-input::placeholder { color: var(--text-dim); }

/* RESPONSIVE — blog specific */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1fr; }
  .featured-thumb { aspect-ratio: 16/9; }
  .newsletter-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  .posts-grid { grid-template-columns: 1fr; }
  #page-hero { padding: 130px 0 80px; min-height: 0; }
  .newsletter-form { flex-direction: column; width: 100%; }
  .newsletter-input { min-width: unset; width: 100%; }
}