/* QuestMetric — site stilleri
   Yön: editoryal / araştırma yayını. Serif başlıklar, sade grotesk metin, logodaki turkuaz vurgu,
   gölge yerine ince çizgiler. */

/* ---------------------------------------------------------------- fontlar (kendi sunucumuzdan)
   Sitede kullanılan karakterlere (Türkçe dahil) indirgenmiş tek dosyalar. Listede olmayan nadir bir
   karakter çıkarsa tarayıcı o karakter için yedek fonta geçer. */
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 400 500; font-display: swap; src: url(../fonts/serif-tr.woff2) format("woff2"); }
@font-face { font-family: "Newsreader"; font-style: italic; font-weight: 400; font-display: swap; src: url(../fonts/serif-italic-tr.woff2) format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(../fonts/sans-tr.woff2) format("woff2"); }

:root {
  --paper: #f6f4ef;
  --surface: #ffffff;
  --ink: #121417;
  --text: #3a3f47;
  --muted: #6a6f78;
  --line: #e0dcd2;
  --line-strong: #c9c2b4;
  --accent: #0b8c87;       /* logodaki turkuaz, metin kontrastı için koyulaştırıldı */
  --accent-ink: #086964;
  --accent-soft: #e2f1ef;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 6px;
  --header-h: 72px;
  --wrap: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body { margin: 0; font: 400 17px/1.65 var(--sans); color: var(--text); background: var(--paper); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
h1, h2, h3, h4 { color: var(--ink); margin: 0 0 .5em; line-height: 1.15; font-weight: 500; }
h1, h2 { font-family: var(--serif); letter-spacing: -.015em; }
p { margin: 0 0 1em; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.icon { flex-shrink: 0; }
::selection { background: #cfe9e6; }

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 820px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.sr-only, .hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; }
.skip:focus { top: 12px; }

/* Küçük üst etiket: hap değil, çizgili küçük yazı */
.kicker { display: flex; align-items: center; gap: 12px; font: 600 .76rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); margin: 0 0 22px; }
.kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.kicker--light { color: #8fd6d0; }

.display { font-family: var(--serif); font-weight: 400; font-size: clamp(2.5rem, 1.4rem + 4.2vw, 4.75rem); line-height: 1.02; letter-spacing: -.025em; }
.display em, .h2 em { color: var(--accent-ink); }
.h2 { font-size: clamp(2rem, 1.3rem + 2.2vw, 3.1rem); font-weight: 400; line-height: 1.08; }
.h3 { font-family: var(--sans); font-size: 1.2rem; font-weight: 600; letter-spacing: -.01em; }
.lead { font-size: 1.16rem; line-height: 1.6; color: var(--text); }
.lead p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------------- butonlar ve bağlantılar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 22px; border-radius: var(--radius); font: 600 .97rem/1.2 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background-color .15s, color .15s, border-color .15s; white-space: nowrap; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--accent-ink); color: #fff; }
.btn--outline { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--ink); color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--accent-soft); color: var(--ink); }
.btn--sm { padding: 10px 16px; font-size: .9rem; }
.btn--block { width: 100%; }
.btn .icon, .arrow-link .icon { transition: transform .15s; }
.btn:hover .icon, .arrow-link:hover .icon { transform: translateX(3px); }
.actions-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 32px; }
.arrow-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-strong); padding-bottom: 2px; }
.arrow-link:hover { border-color: var(--ink); color: var(--ink); }
.section--ink .arrow-link { color: #fff; border-color: rgba(255, 255, 255, .35); }

/* ---------------------------------------------------------------- header */
.header { position: sticky; top: 0; z-index: 50; background: var(--paper); border-bottom: 1px solid var(--line); }
.header__in { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo img { height: 38px; width: auto; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav__list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__link { display: inline-flex; align-items: center; gap: 4px; padding: 8px 12px; color: var(--ink); font-weight: 500; font-size: .95rem; text-decoration: none; background: none; border: 0; cursor: pointer; position: relative; }
.nav__link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav__link:hover::after, .nav__link.is-active::after, .has-mega.is-open > .nav__link::after { transform: scaleX(1); }
.nav__link:hover { color: var(--ink); }
.nav__link .icon { transition: transform .2s; color: var(--muted); }
.mega { position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: 0 30px 40px -30px rgba(18, 20, 23, .2); opacity: 0; visibility: hidden; transition: opacity .15s, visibility .15s; }
.mega__in { display: grid; grid-template-columns: 250px 1fr; gap: 48px; padding-top: 36px; padding-bottom: 40px; }
.mega__intro p { font-size: .92rem; color: var(--muted); }
.mega__intro-title { font-family: var(--serif); font-size: 1.7rem; line-height: 1.15; color: var(--ink); margin: 0 0 12px; }
.mega__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px 32px; }
.mega__title { display: block; font-weight: 600; color: var(--ink); text-decoration: none; margin-bottom: 4px; }
.mega__title:hover { color: var(--accent-ink); }
.mega__desc { font-size: .83rem; color: var(--muted); margin: 0 0 10px; line-height: 1.45; }
.mega ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.mega li a { display: block; padding: 6px 0; color: var(--text); font-size: .9rem; text-decoration: none; border-bottom: 1px solid var(--line); }
.mega li a:hover { color: var(--accent-ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; color: var(--ink); cursor: pointer; }
.nav-toggle__close { display: none; }

@media (min-width: 1101px) {
  .has-mega:hover .mega, .has-mega:focus-within .mega, .has-mega.is-open .mega { opacity: 1; visibility: visible; }
  .has-mega:hover > .nav__link .icon, .has-mega.is-open > .nav__link .icon { transform: rotate(180deg); }
}
@media (max-width: 1100px) {
  .nav-toggle { display: inline-flex; }
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; background: var(--paper); flex-direction: column; align-items: stretch; padding: 8px 24px 32px; overflow-y: auto; transform: translateX(100%); transition: transform .25s ease; visibility: hidden; gap: 0; }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav { transform: none; visibility: visible; }
  body.nav-open .nav-toggle__open { display: none; }
  body.nav-open .nav-toggle__close { display: inline; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link { width: 100%; justify-content: space-between; padding: 16px 0; font-family: var(--serif); font-size: 1.45rem; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .mega { position: static; opacity: 1; visibility: visible; display: none; box-shadow: none; border: 0; background: transparent; }
  .mega__in { display: block; padding: 8px 0 20px; }
  .mega__intro { display: none; }
  .has-mega.is-open .mega { display: block; }
  .has-mega.is-open > .nav__link .icon { transform: rotate(180deg); }
  .mega__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .nav__cta { margin-top: 24px; }
}
@media (max-width: 600px) { .mega__grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- bölümler */
.section { padding: 112px 0; }
.section--tight { padding: 72px 0; }
.section--white { background: var(--surface); }
.section--ink { background: var(--ink); color: #c9ccd1; }
.section--ink h2, .section--ink h3 { color: #fff; }
.section--ink .lead { color: #c9ccd1; }
.section-head { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: end; margin-bottom: 56px; }
.section-head .h2 { margin: 0; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; }

/* Anasayfa hero */
.hero { padding: 72px 0 0; }
.hero__grid { display: grid; grid-template-columns: 6fr 6fr; gap: 64px; align-items: center; }
.hero__lead { margin-top: 28px; max-width: 34em; }
.hero__note { margin-top: 28px; font-size: .88rem; color: var(--muted); }
.hero__figure { margin: 0; }
.frame { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.frame img { border-radius: 4px; }
.hero__anim { aspect-ratio: 16 / 9; }
.hero__anim svg { width: 100% !important; height: 100% !important; display: block; }
figcaption, .caption { font-size: .84rem; color: var(--muted); margin-top: 12px; line-height: 1.5; }

/* Rakam şeridi */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 88px; }
.stat { padding: 28px 28px 30px 0; }
.stat + .stat { padding-left: 28px; border-left: 1px solid var(--line); }
.stat__value { display: block; font-family: var(--serif); font-size: clamp(2rem, 1.5rem + 1.4vw, 2.8rem); line-height: 1; color: var(--ink); margin-bottom: 10px; letter-spacing: -.02em; }
.stat__label { font-size: .92rem; color: var(--muted); }

/* Özellikler: numaralı liste */
.features { display: grid; grid-template-columns: 4fr 8fr; gap: 64px; }
.features__head { position: sticky; top: calc(var(--header-h) + 40px); align-self: start; }
.features__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; list-style: none; margin: 0; padding: 0; counter-reset: f; }
.feature { border-top: 1px solid var(--line); padding: 26px 0 34px; counter-increment: f; }
.feature::before { content: counter(f, decimal-leading-zero); display: block; font: 500 .8rem/1 var(--sans); color: var(--accent-ink); letter-spacing: .08em; margin-bottom: 18px; font-variant-numeric: tabular-nums; }
.feature h3 { font-family: var(--sans); font-size: 1.12rem; font-weight: 600; margin-bottom: 8px; }
.feature p { margin: 0; font-size: .97rem; }

/* Koyu bant */
.band { padding: 120px 0; }
.band__title { font-family: var(--serif); font-weight: 400; font-size: clamp(2.3rem, 1.3rem + 3.6vw, 4.4rem); line-height: 1.05; max-width: 17ch; margin-bottom: 40px; letter-spacing: -.02em; }
.band__title em { color: #7fd3cc; }
.band__row { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: end; }
.band__row p { font-size: 1.08rem; margin: 0; }
.rotator { display: inline-block; transition: opacity .2s, transform .2s; }
.rotator.is-fading { opacity: .55; transform: translateY(4px); }

/* Ekosistem logoları */
.eco { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: center; padding: 40px 0; border-bottom: 1px solid var(--line); }
.eco__label { font-size: .88rem; color: var(--muted); margin: 0; }
.eco__logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 40px; list-style: none; margin: 0; padding: 0; }
.eco__logos img { height: 34px; width: auto; max-width: 150px; object-fit: contain; filter: grayscale(1) contrast(1.05); opacity: .72; transition: opacity .2s, filter .2s; }
.eco__logos a:hover img { filter: none; opacity: 1; }

/* Metin + ekran görüntüsü bölümleri */
.chapter { display: grid; grid-template-columns: 5fr 7fr; gap: 80px; align-items: center; }
.chapter + .chapter { margin-top: 128px; }
.chapter--flip .chapter__text { order: 2; }
.chapter__media { margin: 0; }
.chapter__media--narrow { max-width: 380px; margin-left: auto; margin-right: auto; }

/* Anket dizini */
.dir { border-top: 1px solid var(--ink); }
.dir__row { display: grid; grid-template-columns: 4fr 6fr 110px; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: start; }
.dir__name { font-family: var(--serif); font-size: 1.7rem; line-height: 1.15; margin: 0 0 6px; font-weight: 400; }
.dir__name a { color: var(--ink); text-decoration: none; }
.dir__name a:hover { color: var(--accent-ink); }
.dir__desc { margin: 0; color: var(--muted); font-size: .95rem; }
.dir__links { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.dir__links a { color: var(--text); text-decoration: none; font-size: .96rem; border-bottom: 1px solid var(--line-strong); }
.dir__links a:hover { color: var(--accent-ink); border-color: var(--accent); }
.dir__count { text-align: right; font-size: .85rem; color: var(--muted); padding-top: 8px; font-variant-numeric: tabular-nums; }
.dir-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.dir-intro h3 { font-family: var(--sans); font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
.dir-intro p { margin: 0; font-size: .98rem; }

/* Deneyim */
.about-split { display: grid; grid-template-columns: 7fr 5fr; gap: 80px; align-items: start; }
.about-split .h2 { font-size: clamp(1.9rem, 1.3rem + 1.8vw, 2.8rem); }
.logo-cells { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255, 255, 255, .14); border-left: 1px solid rgba(255, 255, 255, .14); margin-top: 32px; }
.logo-cells > * { display: grid; place-items: center; padding: 28px 20px; min-height: 120px; border-right: 1px solid rgba(255, 255, 255, .14); border-bottom: 1px solid rgba(255, 255, 255, .14); }
.logo-cells img { max-height: 46px; width: auto; filter: brightness(0) invert(1); opacity: .8; }
.logo-cells a:hover img { opacity: 1; }

/* Yorumlar */
.quotes { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: start; }
.quote { margin: 0; }
.quote blockquote { margin: 0 0 20px; font-family: var(--serif); font-size: 1.2rem; line-height: 1.5; color: var(--ink); }
.quote--big blockquote { font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.15rem); line-height: 1.3; font-style: italic; }
.quote blockquote p { margin: 0; }
.quote figcaption { display: flex; align-items: center; gap: 14px; margin: 0; font-size: .92rem; color: var(--text); }
.quote figcaption img { height: 42px; width: 42px; object-fit: contain; border-radius: 50%; background: #fff; border: 1px solid var(--line); padding: 3px; }
.quote figcaption strong { color: var(--ink); font-weight: 600; }
.quote__who { display: flex; flex-direction: column; line-height: 1.35; }
.quote__who span { font-size: .85rem; color: var(--muted); }
.quotes__side { display: grid; gap: 40px; }
.quotes__side .quote { border-top: 1px solid var(--line); padding-top: 28px; }

/* SSS */
.faq-split { display: grid; grid-template-columns: 4fr 8fr; gap: 64px; align-items: start; }
.faq { border-top: 1px solid var(--ink); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary { list-style: none; cursor: pointer; padding: 22px 48px 22px 0; font-weight: 600; color: var(--ink); position: relative; font-size: 1.05rem; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__icon { position: absolute; right: 4px; top: 50%; width: 16px; height: 16px; margin-top: -8px; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1.5px; background: var(--ink); transition: transform .2s; }
.faq__icon::after { transform: rotate(90deg); }
.faq__item[open] .faq__icon::after { transform: rotate(0); }
.faq__answer { padding: 0 48px 24px 0; }
.faq__answer p:last-child, .faq__answer ul:last-child { margin-bottom: 0; }

/* İletişim bölümü ve formlar */
.contact-split { display: grid; grid-template-columns: 5fr 7fr; gap: 80px; align-items: start; }
.contact-list { list-style: none; margin: 40px 0 0; padding: 0; border-top: 1px solid var(--line); }
.contact-list li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: .98rem; }
.contact-list strong { font-weight: 500; color: var(--muted); font-size: .88rem; padding-top: 2px; }
.contact-list a { color: var(--ink); text-decoration: none; display: block; }
.contact-list a:hover { color: var(--accent-ink); }
.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 36px; }
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-size: .86rem; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field input, .field textarea, .newsletter input { width: 100%; font: inherit; font-size: 1rem; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; transition: border-color .15s, box-shadow .15s; }
.field input:focus, .field textarea:focus, .newsletter input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(11, 140, 135, .15); }
.form .btn { justify-self: start; }
.form__note { font-size: .82rem; color: var(--muted); margin: 0; }
.alert { padding: 12px 16px; border-radius: var(--radius); font-weight: 500; font-size: .95rem; margin: 0; border-left: 3px solid; }
.alert--success { background: #e7f4ee; color: #135c39; border-color: #2c9a63; }
.alert--error { background: #fbeceb; color: #8e2020; border-color: #c9403a; }
.map iframe { display: block; width: 100%; height: 440px; border: 0; filter: grayscale(.4); }

/* ---------------------------------------------------------------- sayfa başlıkları */
.page-head { padding: 56px 0; border-bottom: 1px solid var(--line); }
.page-head__title { font-family: var(--serif); font-weight: 400; font-size: clamp(2.4rem, 1.4rem + 3.4vw, 4.2rem); line-height: 1.04; letter-spacing: -.025em; max-width: 18ch; margin-bottom: 20px; }
.page-head__lead { font-size: 1.18rem; max-width: 40em; margin: 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px 10px; font-size: .86rem; margin: 0 0 36px; padding: 0; list-style: none; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 10px; color: var(--line-strong); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }

/* ---------------------------------------------------------------- makale (anket rehberleri, blog) */
.article-head { padding: 48px 0 0; }
.article-head__grid { display: grid; grid-template-columns: 8fr 4fr; gap: 64px; align-items: end; }
.article-head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.5rem, 1.4rem + 3.6vw, 4.4rem); line-height: 1.02; letter-spacing: -.025em; margin: 0 0 16px; }
.article-head__deck { font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 1.1rem + .6vw, 1.7rem); color: var(--accent-ink); margin: 0 0 24px; line-height: 1.3; }
.article-head__lead { font-size: 1.14rem; max-width: 38em; margin: 0; }
.byline { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .88rem; color: var(--muted); margin: 0; padding: 0; list-style: none; }
.byline li + li::before { content: "·"; margin-right: 18px; color: var(--line-strong); }
.byline strong { color: var(--ink); font-weight: 500; }
.article-head__side { border-left: 1px solid var(--line); padding-left: 28px; display: grid; gap: 20px; }
.article-head__side .btn { width: 100%; }
.article-figure { margin: 48px 0 0; }

.article-wrap { display: grid; grid-template-columns: 220px minmax(0, 720px) 1fr; gap: 64px; padding-top: 64px; padding-bottom: 96px; align-items: start; }
.toc { position: sticky; top: calc(var(--header-h) + 32px); font-size: .88rem; }
.toc__title { font: 600 .74rem/1 var(--sans); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin: 0 0 14px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc li a { display: block; padding: 6px 0 6px 14px; margin-left: -1px; border-left: 1px solid transparent; color: var(--muted); text-decoration: none; line-height: 1.4; }
.toc li a:hover { color: var(--ink); }
.toc li a.is-current { color: var(--ink); border-color: var(--ink); }

.summary { margin: 0 0 48px; padding: 4px 0 4px 24px; border-left: 3px solid var(--accent); }
.summary__label { font: 600 .74rem/1 var(--sans); text-transform: uppercase; letter-spacing: .14em; color: var(--accent-ink); margin: 0 0 12px; }
.summary p { font-family: var(--serif); font-size: 1.32rem; line-height: 1.45; color: var(--ink); margin: 0; }

.prose { font-size: 1.07rem; line-height: 1.75; color: var(--text); }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.7rem, 1.35rem + 1vw, 2.2rem); line-height: 1.15; margin: 2.2em 0 .7em; padding-top: 1.1em; border-top: 1px solid var(--line); }
.prose > h2:first-child { border-top: 0; padding-top: 0; }
.prose h3 { font-family: var(--sans); font-weight: 600; font-size: 1.2rem; margin: 1.9em 0 .5em; letter-spacing: -.01em; }
.prose h4 { font-family: var(--sans); font-weight: 600; font-size: 1.05rem; margin: 1.6em 0 .4em; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.4em; }
.prose li { margin-bottom: .55em; padding-left: .2em; }
.prose ul > li::marker { content: "–  "; color: var(--accent); }
.prose ol > li::marker { color: var(--accent-ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.prose p.lead { font-size: 1.2rem; color: var(--ink); }
.prose figure { margin: 2.4em 0; }
.prose figure img, .prose > p > img { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.prose blockquote { margin: 2em 0; padding: 0 0 0 24px; border-left: 3px solid var(--ink); font-family: var(--serif); font-size: 1.3rem; color: var(--ink); }
.prose table { width: 100%; border-collapse: collapse; margin: 2em 0; font-size: .95rem; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 10px 12px 10px 0; text-align: left; }
.prose th { color: var(--ink); border-bottom-color: var(--ink); }
/* Yanıt seçenekleri: anket formundaki gibi */
.prose ul.options, .prose ol.options { list-style: none; padding: 0; margin: .7em 0 1em; display: flex; flex-wrap: wrap; gap: 8px; }
.prose .options li { margin: 0; padding: 5px 12px 5px 30px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: .9rem; line-height: 1.4; background: var(--surface); position: relative; color: var(--ink); }
.prose .options li::before { content: ""; position: absolute; left: 11px; top: 50%; width: 11px; height: 11px; margin-top: -5.5px; border: 1.5px solid var(--muted); border-radius: 50%; }
.prose .options li::marker { content: none; }

.about-box { margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--ink); display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; font-size: .92rem; }
.about-box p { margin: 0 0 6px; }
.about-box__title { font-weight: 600; color: var(--ink); }
.share { display: flex; gap: 8px; }
.share a { display: inline-grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--ink); }
.share a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.aside-note { position: sticky; top: calc(var(--header-h) + 32px); font-size: .92rem; border-top: 1px solid var(--ink); padding-top: 18px; }
.aside-note p { color: var(--muted); }
.related { list-style: none; margin: 0 0 28px; padding: 0; }
.related li a { display: block; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; line-height: 1.35; }
.related li a:hover { color: var(--ink); }
.related li a[aria-current] { color: var(--ink); font-weight: 600; }

/* Listeler (blog, anket kategorileri) */
.list-rows { border-top: 1px solid var(--ink); }
.list-row { display: grid; grid-template-columns: 160px 1fr 32px; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--text); align-items: baseline; }
.list-row:hover .list-row__title { color: var(--accent-ink); }
.list-row time, .list-row__meta { font-size: .86rem; color: var(--muted); }
.list-row__title { font-family: var(--serif); font-size: 1.7rem; line-height: 1.2; color: var(--ink); margin: 0 0 8px; font-weight: 400; }
.list-row p { margin: 0; }
.list-row .icon { color: var(--muted); }

/* ---------------------------------------------------------------- fiyatlar */
.billing-toggle { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 3px; margin-bottom: 40px; }
.billing-toggle button { border: 0; background: none; padding: 8px 20px; border-radius: 4px; font-weight: 600; color: var(--muted); cursor: pointer; }
.billing-toggle button.is-active { background: var(--ink); color: #fff; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); }
.plan { display: flex; flex-direction: column; padding: 40px 36px; }
.plan + .plan { border-left: 1px solid var(--line); }
.plan--featured { background: var(--ink); color: #c9ccd1; }
.plan--featured .plan__name, .plan--featured .plan__price { color: #fff; }
.plan--featured .checklist .icon { color: #7fd3cc; }
.plan__tag { font: 600 .72rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #7fd3cc; margin: 0 0 14px; min-height: .72rem; }
.plan__name { font-family: var(--serif); font-size: 2rem; font-weight: 400; margin-bottom: 4px; }
.plan__desc { opacity: .8; font-size: .95rem; margin-bottom: 28px; }
.plan__price { font-family: var(--serif); font-size: 3.2rem; line-height: 1; color: var(--ink); margin: 0 0 28px; letter-spacing: -.02em; }
.plan__price small { font-size: 1.4rem; vertical-align: .9em; margin-right: 2px; }
.plan__price em { font-style: normal; font-family: var(--sans); font-size: .95rem; opacity: .7; margin-left: 6px; letter-spacing: 0; }
.plans[data-period="monthly"] .price--yearly, .plans[data-period="yearly"] .price--monthly { display: none; }
.checklist { list-style: none; margin: 0 0 32px; padding: 0; display: grid; gap: 10px; font-size: .96rem; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist .icon { color: var(--accent); margin-top: 4px; }
.plan .btn { margin-top: auto; }
.plan--featured .btn--dark { background: #fff; color: var(--ink); }
.plans__note { margin-top: 24px; color: var(--muted); font-size: .95rem; }
.highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 48px; }
.highlight { border-top: 1px solid var(--line); padding-top: 22px; }
.highlight h2 { font-family: var(--sans); font-size: 1.08rem; font-weight: 600; margin-bottom: 6px; }
.highlight p { margin: 0; font-size: .96rem; color: var(--muted); }

/* SSS sayfası kategori kutuları (içerikten) */
.topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0 48px; border-top: 1px solid var(--ink); }
.topics .topic { border-bottom: 1px solid var(--line); padding: 28px 0; }
.topics .topic h3 { font-family: var(--serif); font-weight: 400; font-size: 1.6rem; margin: 0 0 8px; }
.topics .topic h3 a { color: var(--ink); text-decoration: none; }
.topics .topic h3 a:hover { color: var(--accent-ink); }
.topics .topic > p { color: var(--muted); font-size: .95rem; }
.topics .topic ul { list-style: none; padding: 0; margin: 0; }
.topics .topic li { margin: 0; padding: 0; }
.topics .topic li::marker { content: none; }
.topics .topic li a { display: block; padding: 7px 0; color: var(--text); text-decoration: none; border-top: 1px solid var(--line); font-size: .94rem; }
.topics .topic li a:hover { color: var(--accent-ink); }

.notfound__code { font-family: var(--serif); font-size: clamp(6rem, 3rem + 12vw, 12rem); line-height: .9; color: var(--ink); margin: 0 0 24px; letter-spacing: -.04em; }
.plain-cover { margin: 0 0 48px; }
.plain-cover img { width: 100%; border-radius: 8px; aspect-ratio: 16 / 8; object-fit: cover; }

/* ---------------------------------------------------------------- footer */
.footer { background: var(--ink); color: #a8adb5; padding-top: 88px; font-size: .95rem; }
.footer a { color: #d7dade; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer__top { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; padding-bottom: 64px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.footer__claim { font-family: var(--serif); font-size: clamp(1.8rem, 1.3rem + 1.6vw, 2.6rem); line-height: 1.12; color: #fff; margin: 0 0 28px; font-weight: 400; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer__title { font: 600 .74rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #8a9099; margin: 0 0 18px; }
.footer__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer__brand { display: inline-block; background: #fff; padding: 8px 12px; border-radius: 6px; margin-bottom: 24px; }
.footer__brand img { height: 30px; width: auto; }
.newsletter { display: flex; gap: 8px; max-width: 440px; }
.newsletter input { background: transparent; border-color: rgba(255, 255, 255, .25); color: #fff; }
.newsletter input::placeholder { color: #8a9099; }
.newsletter .btn { flex-shrink: 0; }
.footer .alert { margin-top: 12px; max-width: 440px; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; padding: 28px 0 36px; font-size: .85rem; }
.footer__bottom p { margin: 0; }
.footer__legal { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; padding: 0; }
.social { display: flex; gap: 6px; margin-top: 24px; }
.social a { display: inline-grid; place-items: center; width: 36px; height: 36px; border: 1px solid rgba(255, 255, 255, .2); border-radius: 50%; }
.social a:hover { border-color: #fff; }

/* ---------------------------------------------------------------- duyarlı */
@media (max-width: 1100px) {
  .article-wrap { grid-template-columns: minmax(0, 1fr) 260px; }
  .article-wrap .toc-col { display: none; }
  .features { grid-template-columns: 1fr; gap: 40px; }
  .features__head { position: static; }
}
@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .hero__grid, .chapter, .section-head, .band__row, .about-split, .quotes, .faq-split, .contact-split, .footer__top, .article-head__grid, .dir-intro { grid-template-columns: 1fr; gap: 36px; }
  .chapter--flip .chapter__text { order: 0; }
  .chapter + .chapter { margin-top: 88px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .eco { grid-template-columns: 1fr; gap: 20px; }
  .eco__logos { justify-content: flex-start; }
  .dir__row { grid-template-columns: 1fr; gap: 12px; }
  .dir__count { text-align: left; padding: 0; }
  .article-wrap { grid-template-columns: 1fr; gap: 48px; }
  .aside-note { position: static; }
  .article-head__side { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 24px; }
  .plans, .highlights { grid-template-columns: 1fr; }
  .plan + .plan { border-left: 0; border-top: 1px solid var(--line); }
  .list-row { grid-template-columns: 1fr; gap: 6px; }
  .list-row .icon { display: none; }
}
@media (max-width: 600px) {
  :root { --header-h: 64px; }
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  .logo img { height: 32px; }
  .section { padding: 64px 0; }
  .hero { padding-top: 40px; }
  .stats { margin-top: 56px; }
  .stat, .stat + .stat { padding: 22px 12px 22px 0; }
  .stat:nth-child(even) { padding-left: 16px; }
  .features__list { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .band { padding: 80px 0; }
  .about-box { grid-template-columns: 1fr; }
  .actions-row .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* ---------------------------------------------------------------- düzeltmeler */
.stats { padding: 0; list-style: none; margin-bottom: 0; }
.section-head--stack { grid-template-columns: 1fr; gap: 20px; }
.section-head--stack .h2 { max-width: 24ch; }
.section-head--stack p { max-width: 44em; }
/* Koyu bölümde logolar: beyaza çevirmek bazı logoları blok yapıyor; açık zemin üzerinde gri tonlu göster */
.logo-cells { border-color: rgba(255, 255, 255, .14); background: #f6f4ef; }
.logo-cells > * { border-color: var(--line); }
.logo-cells img { filter: grayscale(1); opacity: .8; }
.logo-cells a:hover img { filter: none; opacity: 1; }
.article-wrap { grid-template-columns: 200px minmax(0, 1fr) 230px; gap: 56px; }
.article-wrap > div:nth-child(2) { max-width: 740px; }
.summary .summary__label { font: 600 .74rem/1 var(--sans); color: var(--accent-ink); margin: 0 0 12px; }
.article-head__side .byline { flex-direction: column; gap: 4px; }
.article-head__side .byline li + li::before { content: none; }
.prose .options li.options__other { border-style: dashed; }
@media (max-width: 1100px) { .article-wrap { grid-template-columns: minmax(0, 1fr) 240px; } }
@media (max-width: 900px) { .article-wrap { grid-template-columns: 1fr; } .article-wrap > div:nth-child(2) { max-width: none; } }
.toc-mobile { display: none; margin: 0 0 36px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.toc-mobile summary { cursor: pointer; padding: 14px 0; font-weight: 600; color: var(--ink); list-style: none; }
.toc-mobile summary::-webkit-details-marker { display: none; }
.toc-mobile summary::after { content: "+"; float: right; font-weight: 400; }
.toc-mobile[open] summary::after { content: "–"; }
.toc-mobile ol { margin: 0 0 16px; padding-left: 1.3em; font-size: .95rem; }
.toc-mobile li { padding: 4px 0; }
.toc-mobile a { color: var(--text); text-decoration: none; }
@media (max-width: 1100px) { .toc-mobile { display: block; } }
@media (max-width: 900px) { .article-wrap { padding-top: 48px; } }

/* Site içi arama */
.search-form { display: flex; gap: 8px; max-width: 640px; margin: 0 0 28px; }
.search-form input { flex: 1; min-width: 0; font: inherit; font-size: 1rem; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; }
.search-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(11, 140, 135, .15); }
.search-form .btn { flex-shrink: 0; }
.search-count { margin: 0 0 20px; }
.search-row { grid-template-columns: 1fr 32px; }
.search-row mark { background: rgba(11, 140, 135, .14); color: inherit; padding: 0 2px; border-radius: 3px; }
.nav__search { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; color: var(--ink); border-radius: var(--radius); }
.nav__search:hover { background: rgba(0, 0, 0, .05); }
@media (max-width: 600px) { .search-form { flex-direction: column; } .search-form .btn { justify-content: center; } }

.author-box { display: flex; gap: 16px; align-items: flex-start; }
.author-box__img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; }
.byline a { color: inherit; text-decoration: none; }
.byline a:hover strong { text-decoration: underline; }