@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 300 800;
  font-stretch: 75% 100%;
  font-display: swap;
  src: url(/fonts/bricolage-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 300 800;
  font-stretch: 75% 100%;
  font-display: swap;
  src: url(/fonts/bricolage-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/newsreader-italic-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/newsreader-italic-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/fonts/newsreader-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/fonts/newsreader-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* emreatilgan.com — petrol, çini turkuazı ve safran */
:root {
  --mist: #f2f5f4;
  --mist-2: #e4ecea;
  --paper: #ffffff;
  --ink: #0c2a31;
  --muted: #4d666c;
  --rule: #d3dedd;
  --petrol: #0f5c6e;
  --petrol-deep: #0b4552;
  --teal: #17a398;
  --mint: #7fe0d6;
  --saffron: #f0b03c;
  --saffron-ink: #8a5a00;
  --on-dark: #eaf6f4;
  --on-dark-muted: #a9cdcc;
  --line: #0f5c6e;

  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;

  --step--1: clamp(0.84rem, 0.82rem + 0.1vw, 0.9rem);
  --step-0: clamp(1rem, 0.97rem + 0.15vw, 1.08rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --step-2: clamp(1.45rem, 1.25rem + 0.9vw, 2rem);
  --step-3: clamp(1.9rem, 1.5rem + 1.9vw, 3rem);
  --step-5: clamp(2.6rem, 1.6rem + 4.4vw, 5.2rem);

  --wrap: 76rem;
  --gutter: clamp(1rem, 0.4rem + 2.6vw, 2.75rem);
  --r-tile: 26px;
  --r-card: 16px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --mist: #0b1f24; --mist-2: #11292f; --paper: #0f262c; --ink: #e3eeed; --muted: #97b0b3; --rule: #1f3d44;
    --petrol: #13687c; --petrol-deep: #0e3f4b; --saffron-ink: #f0b03c; --line: #62c9d8; color-scheme: dark;
  }
}

/* ---------- temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 1rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--mist); color: var(--ink); font: 400 var(--step-0)/1.55 var(--display); font-optical-sizing: auto; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--petrol); }
:focus-visible { outline: 2.5px solid var(--teal); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--paper); padding: .5rem 1rem; border-radius: 8px; }
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; margin: 0; }

/* ---------- üst bar ---------- */
.site-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: 1.25rem; flex-wrap: wrap; }
.mark { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; text-decoration: none; letter-spacing: -0.01em; }
.mark svg { width: 34px; height: 34px; }
.mark rect { fill: var(--petrol); }
.mark path { stroke: var(--saffron); stroke-width: 3; fill: none; stroke-linecap: round; }
.mark circle { fill: var(--mint); }
.site-head nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.site-head nav a { text-decoration: none; color: var(--muted); padding: .4rem .75rem; border-radius: 999px; transition: background .2s, color .2s; }
.site-head nav a:hover { background: var(--mist-2); color: var(--ink); }

/* ---------- düğmeler ---------- */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .78rem 1.25rem; border-radius: 999px; border: 1.5px solid var(--ink); text-decoration: none; font-weight: 600; line-height: 1.1; background: transparent; color: inherit; font: inherit; font-weight: 600; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s var(--ease); }
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--petrol); border-color: var(--petrol); color: #fff; }
.btn.primary:hover { background: var(--petrol-deep); border-color: var(--petrol-deep); color: #fff; }
.btn:not(.primary):hover { background: var(--ink); color: var(--mist); }
.btn.small { padding: .5rem .95rem; font-size: var(--step--1); }
.actions, .contact { display: flex; gap: .7rem; flex-wrap: wrap; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(1.75rem, 4vw, 4.5rem); align-items: center; padding-block: clamp(2rem, 6vw, 5rem) clamp(3rem, 7vw, 6rem); }
.who { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.25rem); margin: 0 0 1.6rem; color: var(--muted); font-size: var(--step--1); }
.who p { display: flex; flex-direction: column; gap: .15rem; margin: 0; }
.portrait { width: clamp(84px, 6rem + 2vw, 120px); height: auto; aspect-ratio: 1; border-radius: 50%; object-fit: cover; flex: none; border: 3px solid var(--mist); box-shadow: 0 0 0 3px var(--petrol); background: var(--mist-2); }
.who strong { color: var(--ink); font-size: var(--step-1); font-weight: 680; letter-spacing: -0.01em; }
.hero h1 { font-size: var(--step-5); font-weight: 760; font-stretch: 82%; line-height: .95; letter-spacing: -0.035em; text-wrap: balance; margin-bottom: 1.4rem; }
.lede { font: 400 var(--step-1)/1.5 var(--serif); max-width: 36ch; margin: 0 0 2rem; color: var(--ink); }

.pulse { display: block; text-decoration: none; color: var(--on-dark); background: var(--petrol); border-radius: var(--r-tile); padding: clamp(1.25rem, 2.5vw, 1.9rem); position: relative; overflow: hidden; isolation: isolate; transition: transform .35s var(--ease); }
.pulse::after { content: ""; position: absolute; inset: auto -20% -55% 30%; height: 90%; background: radial-gradient(closest-side, rgba(127, 224, 214, .22), transparent); z-index: -1; }
.pulse:hover { color: var(--on-dark); transform: translateY(-3px); }
.pulse-head { display: flex; justify-content: space-between; gap: 1rem; font-weight: 600; font-size: var(--step--1); }
.live { display: inline-flex; align-items: center; gap: .4rem; color: var(--on-dark-muted); font-weight: 500; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--saffron); box-shadow: 0 0 0 4px rgba(240, 176, 60, .25); }
.pulse-val { display: flex; align-items: baseline; gap: .8rem; margin: .5rem 0 .25rem; }
.pulse-val b { font-size: clamp(3rem, 2rem + 4vw, 4.6rem); font-weight: 700; font-stretch: 78%; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.pulse-val span { color: var(--on-dark-muted); }
.pulse-chart { width: 100%; height: auto; overflow: visible; }
.pulse-chart .line { fill: none; stroke: var(--mint); stroke-width: 2.6; stroke-linejoin: round; stroke-linecap: round; }
.pulse-chart .area { fill: var(--mint); opacity: .12; }
.pulse-chart .tick { stroke: var(--on-dark-muted); opacity: .6; }
.pulse-chart .lbl { fill: var(--on-dark-muted); font: 500 12px var(--display); }
.pulse-chart .now { fill: var(--saffron); stroke: var(--petrol); stroke-width: 3; }
.pulse-foot { margin: .5rem 0 0; color: var(--on-dark-muted); font-size: var(--step--1); }
@media (prefers-reduced-motion: no-preference) {
  .pulse-chart .line { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.8s var(--ease) .25s forwards; }
  .pulse-chart .area, .pulse-chart .now { opacity: 0; animation: fade .6s ease-out 1.7s forwards; }
  .pulse-chart .area { animation-name: fade-area; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }
@keyframes fade-area { to { opacity: .12; } }

/* ---------- bölüm başlıkları ---------- */
section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: .75rem 3rem; align-items: end; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.sec-head h2 { font-size: var(--step-3); font-weight: 720; font-stretch: 86%; line-height: 1; }
.sec-head p { margin: 0; color: var(--muted); max-width: 54ch; justify-self: end; text-align: right; }

/* ---------- çalışmalar (bento) ---------- */
.works { background: var(--paper); border-radius: 40px 40px 0 0; }
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(.9rem, 1.6vw, 1.4rem); }
.tile { border-radius: var(--r-tile); padding: clamp(1.25rem, 2.4vw, 2rem); display: flex; flex-direction: column; gap: .9rem; }
.tile h3 { font-size: var(--step-2); font-weight: 700; font-stretch: 88%; line-height: 1.05; }
.tile h3 a { text-decoration: none; }
.tile > p, .kart-copy > p { margin: 0; color: var(--muted); max-width: 52ch; }
.tile figure { margin: .25rem 0 0; }
.tile svg { width: 100%; height: auto; overflow: visible; }
.tile .lbl { fill: var(--muted); font: 500 11.5px var(--display); }
.stat { margin: 0; }
.stat b { font-size: 1.35em; font-weight: 700; color: var(--ink); }
.go { margin-top: auto; align-self: flex-start; font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--saffron); padding-bottom: 2px; }
.go:hover { color: var(--petrol); border-color: var(--petrol); }

.t-guven { grid-column: span 7; background: var(--mist); }
.t-guven .grid { stroke: var(--rule); }
.t-guven .s-agi { fill: none; stroke: var(--line); stroke-width: 2.5; }
.t-guven .d-agi { fill: var(--line); }
.t-guven .s-tuik { fill: none; stroke: var(--saffron); stroke-width: 2; stroke-dasharray: 5 4; }
figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1rem; color: var(--muted); font-size: var(--step--1); margin-top: .5rem; }
figcaption > span { white-space: nowrap; display: inline-flex; align-items: center; gap: .45rem; }
.k { display: inline-block; width: 18px; height: 3px; border-radius: 2px; }
.k-agi { background: var(--line); }
.k-tuik { background: repeating-linear-gradient(90deg, var(--saffron) 0 5px, transparent 5px 9px); }

.t-oecd { grid-column: span 5; background: var(--mist-2); }
.t-oecd rect.c { fill: var(--line); opacity: .3; }
.t-oecd rect.tr { fill: var(--saffron); }
.t-oecd .tr-l { fill: var(--saffron-ink); font-weight: 700; }
.t-oecd .stat .muted { display: block; font-size: var(--step--1); margin-top: .2rem; }

.t-kart { grid-column: span 12; background: var(--petrol-deep); color: var(--on-dark); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.t-kart a:hover { color: var(--mint); }
.t-kart .kart-copy { display: flex; flex-direction: column; gap: .9rem; }
.t-kart .kart-copy > p { color: var(--on-dark-muted); }
.t-kart .go { border-color: var(--saffron); }
.areas { list-style: none; margin: .25rem 0 .5rem; padding: 0; display: grid; gap: .45rem; }
.areas li { display: grid; grid-template-columns: minmax(0, 1fr) 30% 2.2rem; gap: .75rem; align-items: center; font-size: var(--step--1); }
.areas i { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--mint) var(--w), rgba(255, 255, 255, .12) var(--w)); }
.areas b { text-align: right; font-variant-numeric: tabular-nums; }

.deck { perspective: 1400px; display: flex; flex-direction: column; gap: .9rem; }
.card { all: unset; box-sizing: border-box; display: grid; cursor: pointer; transform-style: preserve-3d; transition: transform .7s var(--ease); border-radius: var(--r-card); }
.card[hidden] { display: none; }
.card:focus-visible { outline: 2.5px solid var(--saffron); outline-offset: 4px; }
.card.flipped { transform: rotateY(180deg); }
.face { grid-area: 1 / 1; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: var(--r-card); padding: clamp(1.25rem, 2.5vw, 1.9rem); min-height: 16rem; display: flex; flex-direction: column; gap: .9rem; }
.front { background: #fff; color: #0c2a31; box-shadow: 0 1px 0 rgba(0, 0, 0, .05), 0 18px 40px -18px rgba(0, 0, 0, .55); background-image: linear-gradient(90deg, transparent 2.4rem, rgba(201, 138, 138, .35) 2.4rem, rgba(201, 138, 138, .35) calc(2.4rem + 1.5px), transparent calc(2.4rem + 1.5px)); padding-left: 3.4rem; }
.back { background: var(--mint); color: #0c2a31; transform: rotateY(180deg); }
.tag { align-self: flex-start; font-size: var(--step--1); font-weight: 600; padding: .25rem .65rem; border-radius: 999px; background: #e4ecea; color: #0f5c6e; }
.back .tag { background: rgba(12, 42, 49, .1); color: #0c2a31; }
.q { font: 500 var(--step-2)/1.25 var(--serif); letter-spacing: -0.01em; text-wrap: pretty; }
.a { font: 400 var(--step-0)/1.55 var(--serif); }
.hint { margin-top: auto; color: #4d666c; font-size: var(--step--1); }
.deck-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.t-kart .btn.small { border-color: var(--on-dark-muted); color: var(--on-dark); }
.t-kart .btn.small:hover { background: var(--on-dark); color: var(--petrol-deep); }
.t-kart .muted { color: var(--on-dark-muted); font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { .card { transition: none; } }

/* ---------- yazılar ---------- */
.writing { background: var(--paper); padding-top: 0; }
.posts { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); }
.posts li { border-bottom: 1px solid var(--rule); }
.post-row { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr) auto; grid-template-areas: "d t c" "d o c"; gap: .3rem 2rem; padding: 1.4rem .75rem; margin-inline: -.75rem; text-decoration: none; border-radius: 14px; transition: background .25s; }
.post-row:hover { background: var(--mist); color: inherit; }
.post-row time { grid-area: d; color: var(--muted); font-size: var(--step--1); padding-top: .3rem; }
.post-row .pt { grid-area: t; font-size: var(--step-1); font-weight: 650; line-height: 1.25; text-wrap: balance; }
.post-row:hover .pt { color: var(--petrol); }
.post-row .po { grid-area: o; font: 400 var(--step-0)/1.5 var(--serif); color: var(--muted); max-width: 64ch; }
.post-row .topic { grid-area: c; align-self: start; }
.topic { font-size: var(--step--1); font-weight: 600; color: var(--line); background: var(--mist-2); padding: .25rem .7rem; border-radius: 999px; white-space: nowrap; }

/* ---------- dersler ---------- */
.courses-sec { background: var(--mist); }
.courses { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.courses > li { background: var(--paper); border-radius: 18px; transition: box-shadow .3s; }
.courses > li:has(details[open]) { box-shadow: inset 0 0 0 1.5px var(--petrol); }
.courses details { interpolate-size: allow-keywords; }
.courses details::details-content { height: 0; overflow: clip; transition: height .4s var(--ease), content-visibility .4s allow-discrete; }
.courses details[open]::details-content { height: auto; }
@media (prefers-reduced-motion: reduce) { .courses details::details-content { transition: none; } }
.courses summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 1fr) auto 2.25rem; gap: 1rem; align-items: center; padding: 1.1rem 1.4rem; border-radius: 18px; }
.courses summary::-webkit-details-marker { display: none; }
.courses summary h3 { font-size: var(--step-1); font-weight: 650; line-height: 1.2; }
.courses summary:hover h3 { color: var(--petrol); }
.courses .meta { color: var(--muted); font-size: var(--step--1); white-space: nowrap; }
.courses .toggle { width: 2.25rem; height: 2.25rem; border-radius: 50%; background: var(--mist); position: relative; transition: background .3s, transform .4s var(--ease); }
.courses .toggle::before, .courses .toggle::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.8px; margin: -0.9px 0 0 -6px; background: currentColor; border-radius: 1px; }
.courses .toggle::after { transform: rotate(90deg); transition: transform .4s var(--ease); }
.courses details[open] .toggle { background: var(--petrol); color: #fff; transform: rotate(180deg); }
.courses details[open] .toggle::after { transform: rotate(0); }
.course-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 1rem 3rem; padding: 0 1.4rem 1.6rem; }
.course-body .desc { font: 400 var(--step-0)/1.6 var(--serif); margin: .4rem 0 0; color: var(--muted); max-width: 34ch; }
.files { margin: 0; padding: 0; list-style: none; counter-reset: f; }
.files li { counter-increment: f; }
.files a { display: grid; grid-template-columns: 2rem minmax(0, 1fr) auto; gap: .75rem; align-items: baseline; padding: .6rem .6rem; margin-inline: -.6rem; border-radius: 10px; text-decoration: none; transition: background .2s; }
.files a:hover { background: var(--mist); color: var(--ink); }
.files a:hover .t { color: var(--petrol); }
.files.seq a::before { content: counter(f); color: var(--teal); font-weight: 700; font-variant-numeric: tabular-nums; }
.files:not(.seq) a { grid-template-columns: minmax(0, 1fr) auto; }
.files .sz { color: var(--muted); font-size: var(--step--1); white-space: nowrap; }

/* ---------- videolar ---------- */
.videos { background: var(--paper); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.chip { font: inherit; font-size: var(--step--1); font-weight: 600; cursor: pointer; padding: .5rem 1rem; border-radius: 999px; border: 1.5px solid var(--rule); background: transparent; color: var(--ink); transition: background .2s, border-color .2s, color .2s; }
.chip:hover { border-color: var(--petrol); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--mist); }
.vgrid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr)); gap: 1.75rem 1.25rem; }
.vgrid li[hidden] { display: none; }
.yt, .yt-frame { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 14px; overflow: hidden; background: var(--ink); }
.yt { position: relative; cursor: pointer; padding: 0; }
.yt img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease), filter .4s; filter: saturate(.85); }
.yt:hover img { transform: scale(1.04); filter: saturate(1); }
.play { position: absolute; left: 50%; top: 50%; width: 58px; height: 58px; margin: -29px 0 0 -29px; border-radius: 50%; background: var(--saffron); transition: transform .3s var(--ease); }
.play::after { content: ""; position: absolute; left: 23px; top: 18px; border-style: solid; border-width: 11px 0 11px 17px; border-color: transparent transparent transparent var(--ink); }
.yt:hover .play { transform: scale(1.1); }
.vt { margin: .8rem 0 .15rem; font-weight: 600; line-height: 1.3; }
.vc { margin: 0; color: var(--muted); font-size: var(--step--1); }

/* ---------- araştırma ---------- */
.research-sec { background: var(--mist); }
.research { list-style: none; margin: 0; padding: 0; }
.research li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: .3rem 3rem; padding-block: 1.5rem; border-top: 1px solid var(--rule); }
.research li:first-child { border-top: 1.5px solid var(--ink); }
.research .kind { margin: 0; color: var(--muted); }
.research .kind b { display: block; color: var(--teal); font-size: var(--step-2); font-weight: 700; font-stretch: 85%; line-height: 1; margin-bottom: .2rem; }
.research h3 { font: 500 var(--step-1)/1.3 var(--serif); letter-spacing: -0.005em; margin-bottom: .35rem; max-width: 46ch; }
.research h3 a { text-decoration: none; }
.research h3 a:hover { text-decoration: underline; }
.research .venue { margin: 0; color: var(--muted); font-size: var(--step--1); }

/* ---------- hakkında ---------- */
.about { background: var(--mist); padding-top: 0; }
.about-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 1rem 3rem; border-top: 1.5px solid var(--ink); padding-top: clamp(2rem, 4vw, 3rem); }
.about h2 { font-size: var(--step-3); font-weight: 720; font-stretch: 86%; }
.prose p { font: 400 var(--step-1)/1.6 var(--serif); margin: 0 0 1.1em; max-width: 44ch; }
.about .contact { margin-top: 1.5rem; }

/* ---------- yazı sayfası ---------- */
.article, .writing-index { padding-block: clamp(2rem, 5vw, 4rem) clamp(4rem, 8vw, 6rem); max-width: 50rem; }
.crumbs { margin: 0 0 1.5rem; }
.crumbs a { color: var(--muted); text-decoration: none; font-weight: 600; }
.crumbs a:hover { color: var(--petrol); }
.article h1, .writing-index h1 { font-size: var(--step-3); font-weight: 740; font-stretch: 84%; line-height: 1.02; text-wrap: balance; }
.post-meta { display: flex; align-items: center; gap: 1rem; color: var(--muted); font-size: var(--step--1); margin: 1.25rem 0 0; }
.post-lede { font: 400 var(--step-1)/1.5 var(--serif); color: var(--muted); margin: 1.25rem 0 2.25rem; max-width: 46ch; }
.post-body { border-top: 1.5px solid var(--ink); padding-top: 2rem; }
.post-body p, .post-body li { font: 400 var(--step-1)/1.65 var(--serif); max-width: 62ch; }
.post-body p { margin: 0 0 1.1em; }
.post-body h2 { font-size: var(--step-2); font-weight: 700; font-stretch: 88%; margin: 2.2rem 0 .8rem; }
.post-body ul { padding-left: 1.2rem; margin: 0 0 1.2em; }
.post-body li { margin-bottom: .45em; }
.post-body li::marker { color: var(--teal); }
.post-body a { color: var(--petrol); text-decoration-color: var(--saffron); text-decoration-thickness: 2px; }
.post-body .source { font: 400 var(--step--1)/1.5 var(--display); color: var(--muted); border-top: 1px solid var(--rule); padding-top: 1rem; margin-top: 2rem; }
.next { display: flex; flex-direction: column; gap: .3rem; margin-top: 3rem; padding: 1.4rem 1.6rem; border-radius: 18px; background: var(--paper); text-decoration: none; font-weight: 650; font-size: var(--step-1); transition: transform .3s var(--ease); }
.next .muted { font-size: var(--step--1); font-weight: 500; }
.next:hover { transform: translateX(4px); }
.writing-index .posts { margin-top: 1rem; }
.writing-index .post-row:hover { background: var(--paper); }

/* ---------- alt bilgi ---------- */
.site-foot { background: var(--petrol-deep); color: var(--on-dark); padding-block: 3rem; }
.site-foot .wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 1.5rem 3rem; }
.site-foot p { margin: 0; line-height: 1.6; }
.site-foot a { color: var(--on-dark); }
.site-foot a:hover { color: var(--mint); }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; justify-self: end; }
.site-foot .muted { grid-column: 1 / -1; color: var(--on-dark-muted); font-size: var(--step--1); border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 1.25rem; }

/* ---------- sayfa geçişleri ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .35s; animation-timing-function: var(--ease); }
::view-transition-group(*) { animation-duration: .45s; animation-timing-function: var(--ease); }
@media (prefers-reduced-motion: reduce) { @view-transition { navigation: none; } ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; } }

/* ---------- duyarlı ---------- */
@media (max-width: 960px) {
  .t-guven, .t-oecd { grid-column: span 12; }
  .t-kart { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .sec-head, .course-body, .research li, .about-body, .site-foot .wrap { grid-template-columns: 1fr; }
  .sec-head p { justify-self: start; text-align: left; }
  .site-foot ul { justify-self: start; }
  .post-row { grid-template-columns: 1fr auto; grid-template-areas: "d c" "t t" "o o"; }
  .courses summary { grid-template-columns: minmax(0, 1fr) 2.25rem; padding: 1rem 1.1rem; }
  .courses .meta { grid-row: 2; }
  .course-body { padding: 0 1.1rem 1.4rem; }
  .works { border-radius: 28px 28px 0 0; }
  .site-head nav { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: calc(var(--gutter) - .75rem); width: calc(100% + var(--gutter) * 2); }
  .site-head nav a { white-space: nowrap; }
  .areas li { grid-template-columns: minmax(0, 1fr) 25% 2rem; }
}
@media print {
  .pulse, .site-head nav, .actions, .videos, .deck { display: none; }
}

.t-guven .gap { stroke: var(--muted); stroke-dasharray: 2 4; opacity: .7; }

/* ---------- seçilmiş yayınlar ---------- */
.pubs-head { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem 2rem; flex-wrap: wrap; margin: 0 0 1rem; }
.pubs-head h3 { font-size: var(--step-2); font-weight: 700; font-stretch: 88%; }
.pubs-head p { margin: 0; color: var(--muted); max-width: 60ch; }
.notes-head { margin-top: clamp(3rem, 6vw, 4.5rem); }
.pubs { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.pub { display: grid; grid-template-columns: minmax(11rem, .9fr) minmax(0, 3fr); gap: 1.25rem clamp(1.5rem, 3vw, 2.75rem); padding: clamp(1.25rem, 2.4vw, 1.9rem); border-radius: var(--r-tile); background: var(--mist); }
.pub-stat { display: flex; flex-direction: column; gap: .4rem; padding-right: 1rem; border-right: 1.5px solid var(--rule); }
.pub-stat b { font-size: clamp(2rem, 1.4rem + 2.2vw, 3.1rem); font-weight: 700; font-stretch: 78%; letter-spacing: -0.035em; line-height: 1; color: var(--petrol); font-variant-numeric: tabular-nums; }
.pub-stat span { color: var(--muted); font-size: var(--step--1); line-height: 1.4; }
.pub-main { display: flex; flex-direction: column; gap: .6rem; min-width: 0; }
.pub-venue { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .75rem; margin: 0; font-size: var(--step--1); color: var(--muted); }
.pub-year { font-weight: 700; color: var(--ink); }
.pub-venue em { font-style: italic; font-family: var(--serif); font-size: 1.08em; color: var(--ink); }
.idx { font-weight: 600; padding: .15rem .55rem; border-radius: 999px; background: var(--paper); color: var(--line); border: 1px solid var(--rule); }
.idx.oa { color: var(--saffron-ink); border-color: color-mix(in srgb, var(--saffron) 55%, transparent); }
.pub h3 { font: 600 var(--step-1)/1.3 var(--display); letter-spacing: -0.01em; text-wrap: balance; }
.pub h3 a { text-decoration: none; }
.pub h3 a:hover { color: var(--petrol); text-decoration: underline; }
.pub-auth { margin: 0; color: var(--muted); font-size: var(--step--1); }
.pub-auth strong { color: var(--ink); font-weight: 650; }
.pub-ozet { margin: .2rem 0 0; font: 400 var(--step-0)/1.6 var(--serif); max-width: 68ch; }
.pub-abs summary { cursor: pointer; font-weight: 600; font-size: var(--step--1); color: var(--line); width: fit-content; list-style: none; }
.pub-abs summary::-webkit-details-marker { display: none; }
.pub-abs summary::before { content: "+"; display: inline-block; width: 1.1em; transition: transform .3s var(--ease); }
.pub-abs[open] summary::before { transform: rotate(45deg); }
.pub-abs { interpolate-size: allow-keywords; }
.pub-abs::details-content { height: 0; overflow: clip; transition: height .4s var(--ease), content-visibility .4s allow-discrete; }
.pub-abs[open]::details-content { height: auto; }
.pub-abs p { margin: .6rem 0 0; font: 400 var(--step--1)/1.6 var(--serif); color: var(--muted); max-width: 72ch; }
.pub .go { margin-top: .4rem; }
.pub .go .muted { font-weight: 400; font-size: .85em; margin-left: .35rem; }
.writing-index .pubs-head:first-of-type { margin-top: 2rem; }
.writing-index .pub { background: var(--paper); }
@media (prefers-reduced-motion: reduce) { .pub-abs::details-content { transition: none; } }
@media (max-width: 760px) {
  .pub { grid-template-columns: 1fr; }
  .pub-stat { border-right: 0; border-bottom: 1.5px solid var(--rule); padding: 0 0 1rem; }
  .pub .go .muted { display: none; }
}