/* ==========================================================================
   MATECH — blog (style.css üzerine, mobil öncelikli)
   ========================================================================== */

/* ---------- Kartlar ---------- */
.card { position: relative; display: flex; flex-direction: column; border-radius: 22px; overflow: hidden; background: #fff; box-shadow: 0 0 0 1px var(--line), 0 30px 60px -40px rgba(10, 37, 80, .35); transition: transform .6s var(--ease), box-shadow .6s var(--ease); }
.thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; isolation: isolate; background: var(--navy); display: grid; place-items: center; color: var(--sky-3); }
.thumb::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px); background-size: 28px 28px; }
.thumb::after { content: ""; position: absolute; z-index: -1; width: 70%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, var(--glow, rgba(30, 123, 255, .5)), transparent 65%); transition: transform .8s var(--ease); }
.thumb svg { width: 26%; max-width: 84px; height: auto; transition: transform .8s var(--ease); filter: drop-shadow(0 10px 30px rgba(30, 123, 255, .55)); }
.thumb-num { position: absolute; left: 16px; top: 12px; font-family: var(--f-mono); font-size: 12px; color: rgba(255, 255, 255, .5); }
.thumb[data-cat="kimlik-imza"] { --glow: rgba(90, 162, 255, .5); background: #0B2B5C; }
.thumb[data-cat="e-belgeler"] { --glow: rgba(30, 123, 255, .55); background: #0A2550; }
.thumb[data-cat="defter-arsiv"] { --glow: rgba(21, 101, 216, .7); background: #0D2F66; }
.thumb[data-cat="rehber"] { --glow: rgba(158, 196, 255, .4); background: #081E42; }
.card-body { display: flex; flex-direction: column; gap: 10px; padding: 20px 20px 22px; flex: 1; }
.card-cat { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.card h3 { font-family: var(--f-head); font-size: 1.12rem; line-height: 1.28; font-weight: 600; letter-spacing: -0.015em; color: var(--navy); }
.card p { font-size: 14.5px; line-height: 1.6; color: var(--text-2); }
.card-meta { margin-top: auto; padding-top: 8px; display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--muted); }
.card-arrow { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 0 1.5px var(--line); color: var(--navy); transition: background-color .4s, color .4s, box-shadow .4s, transform .5s var(--ease); }
.card a.card-link { color: inherit; text-decoration: none; }
.card a.card-link::after { content: ""; position: absolute; inset: 0; }
.card:active { transform: scale(.985); }
@media (hover: hover) {
  .card:hover { transform: translateY(-6px); box-shadow: 0 0 0 1px rgba(30, 123, 255, .45), 0 40px 80px -40px rgba(30, 123, 255, .5); }
  .card:hover .thumb::after { transform: scale(1.25); }
  .card:hover .thumb svg { transform: scale(1.08) rotate(-4deg); }
  .card:hover .card-arrow { background: var(--sky); color: #fff; box-shadow: none; transform: rotate(-45deg); }
}
.card.is-hidden { display: none; }
.cards--rail .card p { display: none; }

/* ---------- Blog sayfaları ---------- */
.blog-page .fab { display: none; }
.b-hero { position: relative; overflow: hidden; isolation: isolate; background: var(--navy); color: #fff; padding: 44px 0 52px; }
.b-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(50% 70% at 90% 20%, rgba(30, 123, 255, .35), transparent 62%), radial-gradient(40% 60% at 0% 100%, rgba(21, 101, 216, .35), transparent 70%); }
.b-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px); background-size: 48px 48px; -webkit-mask-image: radial-gradient(70% 80% at 70% 40%, #000 15%, transparent 75%); mask-image: radial-gradient(70% 80% at 70% 40%, #000 15%, transparent 75%); }
.b-hero-logo { position: absolute; z-index: -1; right: -14%; top: 50%; width: min(70vw, 560px); transform: translateY(-50%) rotate(-6deg); opacity: .06; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin-bottom: 22px; font-size: 12px; letter-spacing: .06em; color: rgba(255, 255, 255, .6); }
.crumbs a { display: inline-block; padding: 6px 0; color: rgba(255, 255, 255, .8); text-decoration: none; }
.crumbs span[aria-current] { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60vw; }
.crumbs span[aria-hidden] { opacity: .5; }
.pill { display: inline-block; padding: 7px 14px; border-radius: 999px; background: rgba(30, 123, 255, .2); box-shadow: inset 0 0 0 1px rgba(90, 162, 255, .4); font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--pale); }
.b-hero h1 { margin-top: 18px; font-family: var(--f-head); font-size: clamp(1.85rem, 8vw, 4.4rem); line-height: 1.08; font-weight: 700; letter-spacing: -0.035em; max-width: 980px; overflow-wrap: break-word; hyphens: auto; }
.b-hero h1 .accent { color: var(--sky-3); }
.b-hero-sub { margin-top: 18px; max-width: 680px; font-size: clamp(16px, 4.2vw, 20px); line-height: 1.6; color: #B5C8E6; font-weight: 300; }
.b-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 24px; font-family: var(--f-mono); font-size: 12px; color: rgba(255, 255, 255, .7); }
.b-meta span { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- Makale ---------- */
.post { padding: 36px 0 16px; }
.post-grid { display: block; }
.toc { display: none; }
.toc-m { margin-bottom: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-2); }
.toc-m summary { min-height: 56px; padding: 6px 18px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-2); }
.toc-m .plus { width: 30px; height: 30px; font-size: 18px; }
.toc-m ol { margin: 0; padding: 0 18px 14px 40px; display: flex; flex-direction: column; font-size: 15px; }
.toc-m li { padding: 2px 0; }
.toc-m a { display: inline-block; padding: 7px 0; color: var(--text-2); text-decoration: none; }
.toc-m details { border: 0; }

.prose { min-width: 0; max-width: 720px; font-size: 17px; line-height: 1.75; color: #24365A; overflow-wrap: break-word; }
.prose > * + * { margin-top: 1.15em; }
.prose .lead { font-size: 1.14em; line-height: 1.7; color: var(--navy); font-weight: 500; }
.prose h2 { margin-top: 2.1em; font-family: var(--f-head); font-size: clamp(1.45rem, 6vw, 2.1rem); line-height: 1.18; font-weight: 700; letter-spacing: -0.025em; color: var(--navy); scroll-margin-top: 84px; }
.prose h3 { margin-top: 1.7em; font-family: var(--f-head); font-size: 1.2rem; line-height: 1.3; font-weight: 600; color: var(--navy); scroll-margin-top: 84px; }
.prose a { color: var(--blue); text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
.prose strong { color: var(--navy); }
.prose ul, .prose ol { padding-left: 1.3em; display: flex; flex-direction: column; gap: .5em; }
.prose li::marker { color: var(--sky); font-weight: 600; }
.prose code { padding: 2px 7px; border-radius: 6px; background: var(--tint); font-family: var(--f-mono); font-size: .86em; color: var(--navy-2); }
.prose .note { padding: 16px 18px; border-left: 4px solid var(--sky); border-radius: 0 14px 14px 0; background: var(--bg-2); font-size: .95em; color: var(--text-2); }
.prose .tbl { overflow-x: auto; margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1); padding: 0 var(--gutter); -webkit-overflow-scrolling: touch; }
.prose table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.prose th { text-align: left; padding: 12px 14px; background: var(--navy); color: #fff; font-family: var(--f-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; font-weight: 500; }
.prose th:first-child { border-radius: 12px 0 0 0; }
.prose th:last-child { border-radius: 0 12px 0 0; }
.prose td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose td:first-child { font-weight: 600; color: var(--navy); }

/* MATECH kutusu */
.mt-box { position: relative; isolation: isolate; overflow: hidden; margin-top: 2em; padding: 24px 22px; border-radius: 22px; background: var(--navy); color: #fff; }
.mt-box::after { content: ""; position: absolute; z-index: -1; right: -120px; top: -140px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(30, 123, 255, .45), transparent 65%); }
.mt-box-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--pale); }
.mt-box-head img { width: 30px; height: auto; }
.mt-box p { font-size: 16px; line-height: 1.65; color: #D5E3FA; }
.mt-box strong { color: #fff; }
.mt-box a { color: var(--pale); }
.mt-box-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: 8px; font-weight: 600; color: #fff !important; text-decoration: none !important; }
.mt-box-link svg { transition: transform .4s var(--ease); }

.post-foot { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 18px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { font-size: 12px; padding: 6px 12px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); color: var(--muted); }
.share { align-self: flex-start; display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 20px; border-radius: 999px; background: var(--navy); color: #fff; font-family: var(--f-mono); font-size: 12.5px; transition: background-color .3s, color .3s; }
.share.is-copied { background: var(--sky); color: #fff; }

/* Makale sonu CTA */
.b-cta { padding: 36px 0 64px; }
.b-cta-card { position: relative; overflow: hidden; isolation: isolate; border-radius: 26px; padding: 30px 24px; background: var(--navy); color: #fff; display: grid; gap: 26px; }
.b-cta-card::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(60% 90% at 90% 10%, rgba(30, 123, 255, .45), transparent 62%); }
.b-cta-card .bg-logo { position: absolute; z-index: -1; right: -50px; bottom: -40px; width: 260px; opacity: .07; }
.b-cta-card h2 { margin-top: 16px; font-family: var(--f-head); font-size: clamp(1.7rem, 7vw, 3.2rem); line-height: 1.08; font-weight: 700; letter-spacing: -0.03em; }
.b-cta-card h2 .accent { color: var(--sky-3); }
.b-cta-card p { margin-top: 14px; color: #B5C8E6; max-width: 560px; }
.b-cta-actions { display: grid; gap: 12px; }

/* İlgili yazılar & liste */
.related { padding: 0 0 72px; }
.related-head { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; margin-bottom: 24px; }
.related-head h2 { font-family: var(--f-head); font-size: clamp(1.5rem, 6vw, 2.6rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.12; }
.blog-list { padding: 28px 0 56px; }
.filters-wrap { position: relative; margin: 0 calc(var(--gutter) * -1) 26px; }
.filters-wrap::after { content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 28px; pointer-events: none; background: linear-gradient(90deg, rgba(255, 255, 255, 0), #fff); }
.filters { display: flex; gap: 8px; overflow-x: auto; padding: 4px var(--gutter); scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.filters::-webkit-scrollbar { display: none; }
.filters button { flex-shrink: 0; min-height: 44px; padding: 0 18px; border-radius: 999px; font-size: 14px; font-weight: 500; white-space: nowrap; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); transition: background-color .35s, color .35s, box-shadow .35s; }
.filters button[aria-pressed="true"] { background: var(--navy); color: #fff; box-shadow: none; }
.filters .count { opacity: .55; margin-left: 6px; font-family: var(--f-mono); font-size: 12px; }
.empty { padding: 40px 0; text-align: center; color: var(--muted); }

.card.is-featured .card-body { padding: 22px; }
.card.is-featured h3 { font-size: 1.4rem; letter-spacing: -0.025em; }

/* Ana sayfa bloğundaki "Tüm yazılar" kartı */
.card-all { flex: 0 0 60%; scroll-snap-align: start; display: grid; place-items: center; text-align: center; padding: 24px; border-radius: 22px; background: var(--tint); color: var(--blue); font-family: var(--f-head); font-weight: 600; text-decoration: none; }

/* Blog sayfalarında görünürlük: JS yoksa her şey görünür */
.blog-page [data-reveal] { transition-duration: .8s; }

@media (min-width: 640px) {
  .b-hero { padding: 64px 0 72px; }
  .post { padding: 52px 0 24px; }
  .prose { font-size: 18px; }
  .prose .tbl { margin: 0; padding: 0; }
  .cards:not(.cards--rail) { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .card-body { padding: 24px 24px 26px; }
  .card h3 { font-size: 1.25rem; }
  .post-foot { flex-direction: row; align-items: center; justify-content: space-between; }
  .b-cta-card { padding: 44px 40px; }
  .b-cta-actions { display: flex; flex-wrap: wrap; }
  .mt-box { padding: 28px; }
}
@media (min-width: 900px) {
  .b-hero { padding: 88px 0 96px; }
  .b-hero-logo { right: -4%; width: min(46vw, 620px); }
  .post { padding: 72px 0 40px; }
  .post-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 72px; align-items: flex-start; }
  .toc-m { display: none; }
  .toc { display: block; position: sticky; top: 100px; }
  .toc-title { display: block; margin-bottom: 14px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
  .toc ol { list-style: none; margin: 0; padding: 0 0 0 16px; border-left: 2px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
  .toc a { display: block; margin-left: -18px; padding: 8px 0 8px 16px; border-left: 2px solid transparent; font-size: 14px; line-height: 1.4; color: var(--text-2); text-decoration: none; transition: color .25s, border-color .25s; }
  .toc a:hover { color: var(--blue); }
  .toc a.is-active { color: var(--blue); border-left-color: var(--blue); font-weight: 600; }
  .toc-cta { margin-top: 28px; padding: 20px; border-radius: 20px; background: var(--bg-2); }
  .toc-cta img { width: 38px; height: auto; }
  .toc-cta p { margin: 10px 0 12px; font-size: 14px; line-height: 1.55; color: var(--text-2); }
  .toc-cta a { display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 0; border: 0; font-weight: 600; color: var(--blue); font-size: 14px; }
  .blog-list { padding: 56px 0 96px; }
  .filters-wrap { margin: 0 0 40px; }
  .filters-wrap::after { display: none; }
  .filters { flex-wrap: wrap; padding: 0; overflow: visible; }
  .cards:not(.cards--rail) { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .card.is-featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1.15fr 1fr; }
  .card.is-featured .thumb { aspect-ratio: auto; min-height: 340px; }
  .card.is-featured .card-body { padding: 44px; justify-content: center; }
  .card.is-featured h3 { font-size: clamp(1.7rem, 2.6vw, 2.4rem); letter-spacing: -0.03em; line-height: 1.12; }
  .card.is-featured p { font-size: 17px; }
  .cards--rail .card p { display: none; }
  .b-cta { padding: 40px 0 112px; }
  .b-cta-card { grid-template-columns: 1.3fr auto; align-items: center; gap: 40px; border-radius: 34px; padding: 64px; }
  .b-cta-actions { flex-direction: column; align-items: stretch; }
  .related { padding-bottom: 112px; }
  .related-head { flex-direction: row; align-items: flex-end; justify-content: space-between; margin-bottom: 36px; }
  .card-all { display: none; }
}