/* diffEVs Blog -- diffevs.com'un kendi dili: tam siyah zemin, IBM Plex,
   Electric Lime vurgu. Degerler src/styles/tokens.css ile ayni; yeni renk yok. */
:root {
  color-scheme: dark;
  --bg: #000;
  --ink: #f3f3ef;
  --dim: #9a9f9a;
  --faint: #7a7f85;
  --line: #2a2d31;
  --lime: #d6ff3d;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
  --gutter: clamp(20px, 5vw, 80px);
  --maxw: 1536px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-weight: 300; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-weight: 400; letter-spacing: -0.01em; margin: 0; }
p { margin: 0; }
.b-in { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.b-etiket { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); }

/* chevron: markanin logosundaki ok */
.chev { display: inline-flex; align-items: center; gap: 3px; margin-left: 10px; }
.chev i { width: 7px; height: 9px; background: currentColor; clip-path: polygon(0 0, 44% 0, 100% 50%, 44% 100%, 0 100%, 52% 50%); transition: transform 300ms var(--ease); }
.chev i:first-child { opacity: 0.38; width: 5px; height: 6px; }

/* butonlar */
.b-btn { display: inline-flex; align-items: center; padding: 12px 20px; background: var(--lime); color: #000; font-size: 0.9375rem; font-weight: 500; border-radius: 2px; transition: background 220ms var(--ease); white-space: nowrap; }
.b-btn:hover { background: #e4ff6b; }
.b-btn:hover .chev i:last-child { transform: translateX(3px); }
.b-btn--lg { padding: 16px 28px; font-size: 1rem; }
.b-btn--hayalet { background: transparent; color: var(--dim); border: 1px solid var(--line); }
.b-btn--hayalet:hover { background: transparent; color: var(--ink); border-color: var(--faint); }

/* ust menu */
.b-nav { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px var(--gutter); background: rgba(0, 0, 0, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.b-marka { display: inline-flex; align-items: center; gap: 0.5em; font-size: 1.5rem; flex-shrink: 0; }
.b-marka b { font-weight: 600; }
.b-marka b span { font-weight: 400; color: var(--dim); }
.b-marka em { font-style: normal; font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--lime); border: 1px solid var(--lime); padding: 2px 7px; border-radius: 2px; }
.b-links { display: flex; gap: 24px; font-size: 0.875rem; color: var(--dim); }
.b-links a:hover, .b-links a[aria-current] { color: var(--ink); }
.b-links a[aria-current] { box-shadow: 0 1px 0 var(--lime); }
@media (max-width: 900px) { .b-links { display: none; } .b-marka { font-size: 1.3rem; } .b-nav .b-btn { padding: 10px 14px; } }

/* blog ana sayfa */
.d-hero { padding: clamp(72px, 12vh, 140px) 0 clamp(48px, 7vh, 80px); border-bottom: 1px solid var(--line); }
.d-hero h1 { font-size: clamp(2.6rem, 7vw, 6rem); line-height: 1.02; margin-top: 18px; max-width: 14ch; }
.d-hero h1 em { font-style: normal; color: var(--lime); }
.d-hero__sub { color: var(--dim); font-size: clamp(1rem, 1.5vw, 1.25rem); max-width: 56ch; margin-top: 26px; }
.d-hero p + p { margin-top: 28px; }
.d-sayi { display: flex; flex-wrap: wrap; gap: clamp(24px, 5vw, 72px); margin-top: clamp(36px, 6vh, 60px); padding-top: 26px; border-top: 1px solid var(--line); }
.d-sayi div { display: grid; gap: 6px; }
.d-sayi b { font-weight: 400; font-size: clamp(1.4rem, 2.4vw, 2rem); }
.d-sayi span { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); }
.d-liste { padding: clamp(48px, 8vh, 96px) 0; }
.d-filtre { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.d-filtre button { font: 500 0.6875rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); background: none; border: 1px solid var(--line); border-radius: 999px; padding: 10px 16px; cursor: pointer; scroll-margin-top: 100px; }
.d-filtre button:hover { color: var(--ink); border-color: var(--faint); }
.d-filtre button.on { color: #000; background: var(--lime); border-color: var(--lime); }
.d-filtre span { opacity: 0.7; margin-left: 4px; }

/* kartlar */
.b-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
@media (max-width: 1000px) { .b-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .b-grid { grid-template-columns: 1fr; } }
.b-kart { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; transition: border-color 300ms var(--ease); }
.b-kart:hover { border-color: var(--faint); }
.b-kart__img { display: block; aspect-ratio: 3 / 2; overflow: hidden; background: #f4f4f4; }
.b-kart__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease); }
.b-kart:hover .b-kart__img img { transform: scale(1.03); }
.b-kart__govde { display: flex; flex-direction: column; gap: 12px; padding: 24px; flex: 1; }
.b-kart__t { font-size: clamp(1.2rem, 1.6vw, 1.45rem); line-height: 1.2; font-weight: 400; }
.b-kart__d { color: var(--dim); font-size: 0.9375rem; line-height: 1.55; }
.b-kart__oku { margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; font-size: 0.875rem; color: var(--lime); }
.b-kart--one { display: grid; grid-template-columns: 1.3fr 1fr; margin-bottom: 24px; }
.b-kart--one .b-kart__img { aspect-ratio: auto; height: 100%; min-height: 320px; }
.b-kart--one .b-kart__govde { justify-content: center; padding: clamp(28px, 4vw, 56px); border-left: 1px solid var(--line); }
.b-kart--one .b-kart__t { font-size: clamp(1.6rem, 3vw, 2.6rem); }
@media (max-width: 900px) { .b-kart--one { grid-template-columns: 1fr; } .b-kart--one .b-kart__govde { border-left: 0; } }

/* yazi */
.y-bar { position: fixed; left: 0; top: 0; height: 2px; width: 0; background: var(--lime); z-index: 60; }
.y-hero { padding: clamp(56px, 9vh, 110px) 0 clamp(32px, 5vh, 56px); }
.y-iz { display: flex; flex-wrap: wrap; gap: 10px; font: 500 0.6875rem var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin-bottom: 26px; }
.y-iz a:hover { color: var(--lime); }
.y-hero h1 { font-size: clamp(2.1rem, 5vw, 4.2rem); line-height: 1.06; max-width: 22ch; }
.y-ozet { margin-top: 24px; max-width: 62ch; color: var(--dim); font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.55; }
.y-meta { display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 56px); margin: 34px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }
.y-meta div { display: grid; gap: 4px; }
.y-meta dt { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); }
.y-meta dd { margin: 0; font-size: 0.9375rem; }
.y-kapak { margin: 0; }
.y-kapak img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border-radius: 4px; background: #f4f4f4; }
figcaption { margin-top: 10px; font: 0.6875rem/1.5 var(--mono); letter-spacing: 0.06em; color: var(--faint); }
.y-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(40px, 6vw, 110px); align-items: start; padding-block: clamp(48px, 7vh, 88px); }
@media (max-width: 1100px) { .y-grid { grid-template-columns: 1fr; } }
.y-govde { max-width: 740px; font-size: 1.0625rem; line-height: 1.8; color: #d9dad6; }
.y-govde h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.2; color: var(--ink); margin: 64px 0 18px; scroll-margin-top: 100px; }
.y-govde h2:first-child { margin-top: 0; }
.y-govde h3 { font-size: 1.2rem; color: var(--ink); margin: 34px 0 10px; font-weight: 500; }
.y-govde p { margin: 0 0 20px; }
.y-govde ul, .y-govde ol { margin: 0 0 24px; padding-left: 22px; }
.y-govde li { margin: 0 0 10px; }
.y-govde li::marker { color: var(--lime); }
.y-govde strong { color: var(--ink); font-weight: 500; }
.y-govde a { color: var(--lime); border-bottom: 1px solid rgba(214, 255, 61, 0.4); }
.y-govde a:hover { border-bottom-color: var(--lime); }
.y-govde table { width: 100%; border-collapse: collapse; margin: 8px 0 32px; font-size: 0.9375rem; }
.y-govde th, .y-govde td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.y-govde th { font: 500 0.6875rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink); border-bottom-color: var(--faint); }
.y-not { border-left: 3px solid var(--lime); padding: 16px 20px; background: #0b0c0d; margin: 0 0 24px; color: var(--ink); }
.y-fig { margin: 40px 0; }
.y-fig img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 4px; background: #f4f4f4; }
.y-sss { margin-top: 64px; }
.y-sss h2 { margin-top: 0; }
.y-sss details { border-top: 1px solid var(--line); }
.y-sss details:last-child { border-bottom: 1px solid var(--line); }
.y-sss summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; color: var(--ink); font-weight: 500; }
.y-sss summary::-webkit-details-marker { display: none; }
.y-sss summary::after { content: "+"; color: var(--lime); font-family: var(--mono); transition: transform 300ms var(--ease); }
.y-sss details[open] summary::after { transform: rotate(45deg); }
.y-sss details p { padding: 0 0 20px; margin: 0; }
.y-kaynak { margin-top: 48px; }
.y-kaynak ul { margin: 12px 0 0; padding-left: 18px; font-size: 0.875rem; }
.y-paylas { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); }
.y-paylas .b-etiket { margin-right: 6px; }
.y-paylas a { font: 500 0.6875rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--dim); }
.y-paylas a:hover { color: var(--ink); border-color: var(--faint); }
.y-yan { position: sticky; top: 100px; display: grid; gap: 28px; }
@media (max-width: 1100px) { .y-yan { position: static; } .y-kutu { display: none; } }
.y-toc { list-style: none; margin: 14px 0 0; padding: 0; border-left: 1px solid var(--line); counter-reset: t; }
.y-toc li { counter-increment: t; }
.y-toc a { display: flex; gap: 12px; padding: 7px 0 7px 16px; margin-left: -1px; border-left: 1px solid transparent; font-size: 0.875rem; line-height: 1.45; color: var(--faint); }
.y-toc a::before { content: counter(t, decimal-leading-zero); font: 500 0.625rem var(--mono); color: var(--lime); padding-top: 3px; }
.y-toc a:hover, .y-toc a.on { color: var(--ink); border-left-color: var(--lime); }
.y-urun { border: 1px solid var(--line); border-radius: 4px; padding: 20px; display: grid; gap: 10px; }
.y-urun__img { margin: 0 0 6px; }
.y-urun__img img { aspect-ratio: 3 / 2; object-fit: cover; border-radius: 2px; background: #f4f4f4; }
.y-urun__img figcaption { display: none; }
.y-urun__t { font-size: 1.35rem; }
.y-urun__d { font-size: 0.875rem; color: var(--dim); line-height: 1.55; }
.y-urun .b-btn { justify-self: start; margin-top: 6px; }

/* alt bolumler */
.b-diger { padding: clamp(56px, 9vh, 110px) 0; border-top: 1px solid var(--line); }
.b-bas { margin-bottom: 32px; display: grid; gap: 12px; }
.b-bas h2 { font-size: clamp(1.8rem, 3.4vw, 3rem); }
.b-cta { border-top: 1px solid var(--line); padding: clamp(56px, 9vh, 110px) 0; }
.b-cta .b-in { display: grid; gap: 28px; align-items: end; }
@media (min-width: 900px) { .b-cta .b-in { grid-template-columns: 1fr auto; } }
.b-cta h2 { font-size: clamp(1.8rem, 3.6vw, 3rem); margin-top: 12px; max-width: 22ch; }
.b-cta__eylem { display: flex; flex-wrap: wrap; gap: 14px; }

/* footer: ana siteyle ayni */
.b-foot { border-top: 1px solid var(--line); }
.b-foot__in { max-width: 1920px; margin-inline: auto; padding: 48px var(--gutter) 32px; }
.b-foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 32px; align-items: start; }
@media (max-width: 900px) { .b-foot__grid { grid-template-columns: 1fr 1fr; } }
.b-foot__grid nav { display: grid; gap: 10px; font-size: 0.875rem; color: var(--dim); }
.b-foot__grid nav a:hover { color: var(--ink); }
.b-foot__h { font-family: var(--mono); font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--faint); margin-bottom: 4px; }
.b-foot__holding { justify-self: end; font-size: 0.74415rem; color: var(--faint); display: inline; }
.b-foot__holding img { display: inline; height: 34.85px; width: auto; vertical-align: -12.63px; }
.b-foot__row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-top: 40px; color: var(--faint); font-size: 0.875rem; }
.b-foot__pw { display: inline-flex; align-items: center; gap: 0.45em; font-size: 7.94px; letter-spacing: 0.14em; text-transform: uppercase; color: #5b6066; opacity: 0.75; }
.b-foot__pw:hover { opacity: 1; }
.b-foot__pw img { height: 11.34px; width: auto; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } html { scroll-behavior: auto; } }