/* Dr. Kemal Yüksel — site stylesheet
   Palette: warm ivory, deep navy, muted medical blue, soft grey, white.
   One typeface (Manrope, self-hosted). Signature element: OCT retinal-layer lines in the hero. */

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/manrope-latin-wght-normal.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: "Manrope";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/manrope-latin-ext-wght-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("../fonts/cormorant-garamond-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src: url("../fonts/cormorant-garamond-latin-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url("../fonts/cormorant-garamond-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url("../fonts/cormorant-garamond-latin-600-normal.woff2") format("woff2");
}

:root {
  --ivory: #F6F5F1;
  --paper: #FFFFFF;
  --soft: #E4E6E5;
  --ink: #18232C;
  --navy: #0B1B2B;
  --navy-2: #14283B;
  --blue: #466579;
  --slate: #466579;
  --teal: #4B7470;
  --blue-soft: #E0E7EA;
  --mist: #5A646C;
  --line: #DCDEDB;
  --line-strong: #C3C7C4;
  --accent: #6F9995;
  --urgent: #8E2A24;
  --urgent-bg: #F8ECEA;

  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Cormorant Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --container: 78rem;
  --gutter: clamp(1.25rem, 4vw, 2.75rem);
  --section: clamp(4.5rem, 3rem + 5vw, 8.5rem);
  --radius-s: 2px;
  --radius-m: 3px;
  --header-h: 4.75rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
  font-feature-settings: "ss01", "tnum" 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--navy); margin: 0 0 0.6em; line-height: 1.15; font-weight: 600; }
h1 { font-size: clamp(2.25rem, 1.6rem + 2.4vw, 3.5rem); letter-spacing: -0.028em; line-height: 1.06; }
h2 { font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.45rem); letter-spacing: -0.022em; }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--blue-soft); color: var(--navy); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--mist); }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--navy); color: var(--ivory); padding: 0.6rem 1rem; border-radius: var(--radius-s); }
.skip-link:focus { top: 1rem; color: var(--ivory); }
main:focus { outline: none; }

.draft-banner {
  background: repeating-linear-gradient(135deg, #FFF6D6 0 14px, #FCEFC4 14px 28px);
  color: #5A4300;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  padding: 0.5rem var(--gutter);
  border-bottom: 1px solid #E8D48B;
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 2.9rem; padding: 0.7rem 1.35rem;
  font: inherit; font-size: 0.975rem; font-weight: 600; letter-spacing: -0.005em;
  text-decoration: none; border-radius: var(--radius-s); border: 1px solid transparent;
  cursor: pointer; transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-sm { min-height: 2.5rem; padding: 0.5rem 1rem; font-size: 0.9rem; }
.btn-lg { min-height: 3.25rem; padding: 0.85rem 1.6rem; font-size: 1rem; }
.btn-primary { background: var(--navy); color: var(--ivory); }
.btn-primary:hover { background: var(--navy-2); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-light { background: var(--ivory); color: var(--navy); }
.btn-light:hover { background: var(--paper); color: var(--navy); }
.text-link { font-weight: 600; color: var(--navy); text-decoration: underline; text-decoration-color: var(--line-strong); }
.text-link:hover { text-decoration-color: currentColor; }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: inherit; text-decoration: underline; text-underline-offset: 0.2em; cursor: pointer; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 243, 238, 0.94);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 2rem; min-height: var(--header-h); }
.wordmark { display: flex; flex-direction: column; text-decoration: none; line-height: 1.2; margin-right: auto; }
.wordmark-name { font-weight: 700; font-size: 1.08rem; letter-spacing: -0.015em; color: var(--navy); }
.wordmark-role { font-size: 0.8rem; color: var(--mist); }
.main-nav ul { display: flex; gap: 1.6rem; list-style: none; }
.main-nav a { font-size: 0.94rem; font-weight: 500; text-decoration: none; color: var(--ink); padding-block: 0.4rem; border-bottom: 1px solid transparent; }
.main-nav a:hover { color: var(--blue); }
.main-nav a[aria-current="page"] { border-bottom-color: var(--navy); color: var(--navy); }
.header-actions { display: flex; align-items: center; gap: 1.1rem; }
.lang-switch { display: flex; gap: 0.15rem; }
.lang-switch a { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em; text-decoration: none; color: var(--mist); padding: 0.3rem 0.4rem; border-radius: var(--radius-s); }
.lang-switch a:hover { color: var(--navy); background: rgba(15, 34, 55, 0.06); }
.lang-switch a[aria-current="true"] { color: var(--navy); box-shadow: inset 0 -2px 0 var(--navy); border-radius: 0; }
.menu-toggle { display: none; align-items: center; gap: 0.55rem; background: none; border: 0; padding: 0.5rem 0; font: inherit; font-weight: 600; font-size: 0.92rem; color: var(--navy); cursor: pointer; }
.menu-toggle-bars, .menu-toggle-bars::before { display: block; width: 18px; height: 1.5px; background: currentColor; position: relative; transition: transform .2s ease; }
.menu-toggle-bars::before { content: ""; position: absolute; top: 6px; left: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars::before { transform: translateY(-6px) rotate(-90deg); }
.mobile-menu { border-top: 1px solid var(--line); background: var(--ivory); padding-block: 1.25rem 2rem; max-height: calc(100vh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain; }
.mobile-nav { list-style: none; }
.mobile-nav a { display: block; padding: 0.85rem 0; font-size: 1.3rem; font-weight: 600; text-decoration: none; color: var(--navy); border-bottom: 1px solid var(--line); }
.mobile-nav a[aria-current="page"] { color: var(--blue); }
.mobile-langs { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-top: 1.5rem; }
.mobile-langs a { text-decoration: none; color: var(--mist); font-weight: 500; }
.mobile-langs a[aria-current="true"] { color: var(--navy); text-decoration: underline; }

/* ---------- Hero (home) ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(3rem, 2rem + 4vw, 6rem) 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); align-items: end; position: relative; z-index: 1; }
.hero-text { padding-bottom: clamp(2rem, 4vw, 4rem); }
.hero-h1 { font-size: clamp(1.15rem, 1rem + 0.6vw, 1.45rem); font-weight: 600; letter-spacing: -0.01em; line-height: 1.35; color: var(--blue); margin-bottom: 1.1rem; max-width: 38ch; text-wrap: balance; }
.hero-display { font-size: clamp(2.8rem, 1.7rem + 4.6vw, 5.6rem); font-weight: 300; letter-spacing: -0.042em; line-height: 0.98; color: var(--navy); margin: 0 0 1.75rem; max-width: 12ch; text-wrap: balance; }
.hero-intro { font-size: 1.125rem; color: var(--mist); max-width: 48ch; margin-bottom: 2.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-portrait { margin: 0; justify-self: end; width: 100%; max-width: 27rem; }
.hero-portrait figcaption { display: flex; flex-direction: column; padding: 1rem 0 clamp(2rem, 4vw, 4rem); border-bottom: 1px solid var(--line); }
.portrait-name { font-weight: 600; color: var(--navy); }
.portrait-role { font-size: 0.875rem; color: var(--mist); }

/* The photograph has a black backdrop; "lighten" lets it dissolve into the navy frame. */
.portrait-frame { background: var(--navy); border-radius: var(--radius-m); overflow: hidden; aspect-ratio: 1 / 1; }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: lighten; }
.portrait-frame-small { max-width: 13rem; }
.portrait-frame-medium { max-width: 18rem; width: 100%; }

.oct-lines { position: relative; width: 100%; height: clamp(90px, 13vw, 190px); margin-top: -1px; }
.oct-line { fill: none; stroke: var(--blue); stroke-width: 1.1; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-dasharray: 8000; stroke-dashoffset: 8000; animation: oct-draw 1.8s cubic-bezier(.3,.1,.2,1) forwards; }
.oct-line-0 { opacity: .35; animation-delay: .05s; }
.oct-line-1 { opacity: .30; animation-delay: .12s; }
.oct-line-2 { opacity: .28; animation-delay: .19s; }
.oct-line-3 { opacity: .26; animation-delay: .26s; }
.oct-line-4 { opacity: .24; animation-delay: .33s; }
.oct-line-5 { opacity: .30; animation-delay: .40s; }
.oct-line-6 { opacity: .42; animation-delay: .47s; }
.oct-line-7 { opacity: .62; stroke-width: 1.6; animation-delay: .54s; }
.oct-line-8 { opacity: .85; stroke-width: 2.4; stroke: var(--navy); animation-delay: .61s; }
@keyframes oct-draw { to { stroke-dashoffset: 0; } }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section-paper { background: var(--paper); }
.section-head { max-width: 44rem; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head p { color: var(--mist); font-size: 1.075rem; margin: 0; }

.focus { padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem); border-bottom: 1px solid var(--line); }
.focus-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 1.5rem 3rem; align-items: start; }
.focus-title { font-size: 1rem; font-weight: 600; letter-spacing: 0; color: var(--mist); margin: 0.35rem 0 0; }
.focus-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.focus-list li { font-size: clamp(1.2rem, 1rem + 0.8vw, 1.6rem); font-weight: 500; letter-spacing: -0.018em; color: var(--navy); padding: 1rem 1rem 1rem 0; border-bottom: 1px solid var(--line); }
.focus-facts { grid-column: 2; display: flex; gap: 3rem; margin: 0.5rem 0 0; }
.focus-facts div { display: flex; align-items: baseline; gap: 0.9rem; max-width: 34rem; }
.focus-facts dt { font-size: 2.6rem; font-weight: 300; letter-spacing: -0.04em; line-height: 1; color: var(--navy); }
.focus-facts dd { margin: 0; color: var(--mist); font-size: 0.95rem; }

.editorial-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 6vw, 6rem); }
.editorial-lead { font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.8rem); font-weight: 300; letter-spacing: -0.02em; line-height: 1.35; color: var(--blue); max-width: 22ch; margin: 0; }
.editorial-body { max-width: 38rem; padding-top: 0.4rem; }

/* Lists of conditions and treatments: editorial rows, not cards */
.entry-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 4.5rem); border-top: 1px solid var(--line-strong); }
.entry { display: flex; flex-direction: column; gap: 0.35rem; height: 100%; padding: 1.5rem 0 1.6rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.entry-title { font-size: 1.28rem; font-weight: 600; letter-spacing: -0.015em; color: var(--navy); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 0.22em; transition: text-decoration-color .15s ease; }
.entry-summary { color: var(--mist); font-size: 0.98rem; max-width: 34rem; }
.entry:hover { color: inherit; }
.entry:hover .entry-title { text-decoration-color: var(--navy); }
.entry-list-compact .entry { padding-block: 1.2rem 1.3rem; }

.about-teaser { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(1.75rem, 5vw, 4rem); align-items: center; }
.about-teaser-portrait { width: clamp(9rem, 18vw, 13rem); }
.about-teaser-text { font-size: 1.12rem; max-width: 42rem; }

/* International band */
.intl-band { background: var(--navy); color: #D9E1EA; }
.intl-band h2, .intl-band h3 { color: var(--paper); }
.intl-band a:not(.btn) { color: var(--paper); }
.intl-head { max-width: 44rem; margin-bottom: 2.5rem; }
.intl-head p { color: #C3CEDA; font-size: 1.075rem; }
.journey { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.5rem 2rem; counter-reset: none; margin-top: 2.5rem; }
.journey li { border-top: 1px solid rgba(255, 255, 255, 0.18); padding-top: 1.1rem; }
.journey-num { display: block; font-size: 2.4rem; font-weight: 200; letter-spacing: -0.04em; line-height: 1; color: #9FB4C9; margin-bottom: 0.9rem; }
.journey-title { display: block; font-size: 1.08rem; font-weight: 600; color: var(--paper); margin: 0 0 0.45rem; line-height: 1.3; }
.journey p { font-size: 0.95rem; color: #C3CEDA; margin: 0; }
.journey-compact { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 1.25rem; margin: 0 0 2.5rem; }
.journey-compact .journey-num { font-size: 1.9rem; }
.journey-compact .journey-title { font-size: 0.95rem; font-weight: 500; color: #E6ECF2; }

/* Publications */
.pub-list { display: grid; gap: 0; border-top: 1px solid var(--line-strong); margin-bottom: 2rem; }
.pub { padding: 1.5rem 0 1.6rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 13rem) minmax(0, 1fr); column-gap: 2.5rem; }
.pub-meta { grid-row: span 3; margin: 0.15rem 0 0; display: flex; flex-direction: column; font-size: 0.9rem; color: var(--mist); }
.pub-journal { font-weight: 600; color: var(--ink); }
.pub-title { font-size: 1.12rem; font-weight: 600; line-height: 1.4; margin: 0 0 0.35rem; max-width: 52rem; }
.pub-authors { color: var(--mist); font-size: 0.93rem; margin: 0 0 0.5rem; }
.pub-links { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem 1.25rem; font-size: 0.88rem; }
.pub-links a { color: var(--blue); }
.pub-citation { color: var(--mist); }
.pub[hidden] { display: none; }

/* CTA band */
.cta-band { background: var(--paper); border-top: 1px solid var(--line); }
.cta-inner { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2rem; }
.cta-title { margin-bottom: 0.4rem; }
.cta-text { color: var(--mist); margin: 0; max-width: 40rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Inner pages ---------- */
.page-head { padding-block: clamp(2rem, 1.5rem + 2vw, 3.25rem) clamp(2.5rem, 2rem + 3vw, 4.5rem); border-bottom: 1px solid var(--line); }
.page-head h1 { max-width: 20ch; }
.lead { font-size: clamp(1.1rem, 1rem + 0.35vw, 1.25rem); color: var(--mist); max-width: 46rem; margin: 0; }
.page-role { font-weight: 600; color: var(--blue); margin: -0.2rem 0 1rem; }
.page-head-actions { margin: 1.75rem 0 0; }
.breadcrumb { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); font-size: 0.86rem; color: var(--mist); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; }
.breadcrumb li + li::before { content: "/"; margin-right: 0.5rem; color: var(--line-strong); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.about-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2.5rem; align-items: end; }

.prose { max-width: 42rem; }
.prose p { margin-bottom: 1.15em; }
.prose h2 { font-size: 1.55rem; margin-top: 2.2rem; }
.prose-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.side-block { border-top: 1px solid var(--line-strong); padding-top: 1.1rem; }
.side-title { font-size: 0.95rem; font-weight: 600; color: var(--mist); margin: 0 0 0.75rem; letter-spacing: 0; }
.plain-list { list-style: none; }
.plain-list li { padding: 0.55rem 0; border-bottom: 1px solid var(--line); font-weight: 500; color: var(--navy); }
.timeline { list-style: none; border-top: 1px solid var(--line-strong); max-width: 48rem; }
.timeline li { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.timeline-years { color: var(--mist); font-variant-numeric: tabular-nums; }

/* Medical pages */
.page-head-med h1 { max-width: 22ch; }
.med-meta { display: flex; flex-wrap: wrap; gap: 0.35rem 1.75rem; margin: 1.5rem 0 0; font-size: 0.88rem; color: var(--mist); }
.med-pending { color: #7A5B00; font-weight: 600; }
.med-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(2rem, 6vw, 5.5rem); align-items: start; }
.med-body { max-width: 44rem; }
.med-section { padding-bottom: 0.4rem; }
.med-section + .med-section { border-top: 1px solid var(--line); padding-top: 2rem; margin-top: 1rem; }
.med-section h2 { font-size: 1.45rem; margin-bottom: 0.7rem; }
.med-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: 2rem; }
.toc-title { font-size: 0.9rem; font-weight: 600; color: var(--mist); margin: 0 0 0.5rem; }
.toc ol, .related ul { list-style: none; border-top: 1px solid var(--line-strong); }
.toc li a, .related li a { display: block; padding: 0.5rem 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 0.94rem; }
.toc li a:hover, .related li a:hover { color: var(--blue); }
.aside-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem; padding: 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-m); }
.aside-cta .btn { width: 100%; }
.references ol { padding-left: 1.2rem; font-size: 0.94rem; color: var(--mist); }
.disclaimer-note { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--mist); }

.urgent-callout { background: var(--urgent-bg); border-left: 3px solid var(--urgent); border-radius: 0 var(--radius-s) var(--radius-s) 0; padding: 1.1rem 1.35rem; margin: 0 0 2.25rem; max-width: 44rem; }
.urgent-callout p { margin: 0; color: #4A1714; }
.urgent-callout .urgent-title { font-weight: 700; color: var(--urgent); margin-bottom: 0.3rem; }

/* ---------- Forms ---------- */
.form-layout { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.form-intro p { color: var(--mist); max-width: 26rem; }
.form-intro .side-title { margin-top: 2rem; }
.form-panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-m); padding: clamp(1.4rem, 3vw, 2.4rem); }
.section-paper .form-panel { background: var(--ivory); }
.contact-form { display: grid; gap: 1.35rem; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.35rem; }
.field { display: grid; gap: 0.4rem; align-content: start; min-width: 0; margin: 0; padding: 0; border: 0; }
.field label, .field legend { font-size: 0.93rem; font-weight: 600; color: var(--navy); padding: 0; }
.field legend { margin-bottom: 0.4rem; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field input[type="search"], .field select, .field textarea {
  width: 100%; min-height: 3rem; padding: 0.7rem 0.85rem;
  font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius-s);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { min-height: 8.5rem; resize: vertical; line-height: 1.55; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--mist) 50%), linear-gradient(135deg, var(--mist) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.25rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(78, 110, 142, 0.22); }
.field-hint { font-size: 0.84rem; color: var(--mist); margin: 0; }
.field-error { font-size: 0.86rem; font-weight: 600; color: var(--urgent); margin: 0; }
.has-error input, .has-error textarea, .has-error select { border-color: var(--urgent); }
.choice-group { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-flex; align-items: center; min-height: 2.6rem; padding: 0.45rem 0.95rem; border: 1px solid var(--line-strong); border-radius: var(--radius-s); background: var(--paper); font-size: 0.93rem; font-weight: 500; cursor: pointer; }
.choice input:checked + span { background: var(--navy); border-color: var(--navy); color: var(--ivory); }
.choice input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.checkbox { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: 0.75rem; align-items: start; font-size: 0.93rem; font-weight: 400 !important; color: var(--ink) !important; line-height: 1.5; cursor: pointer; }
.checkbox input { width: 1.2rem; height: 1.2rem; margin: 0.15rem 0 0; accent-color: var(--navy); }
.checkbox a { color: var(--blue); }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-alert { border-left: 3px solid var(--urgent); background: var(--urgent-bg); padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; border-radius: 0 var(--radius-s) var(--radius-s) 0; }
.form-alert-title { margin: 0; font-weight: 600; color: var(--urgent); }
.form-success { padding: 0.5rem 0; }
.form-success-title { font-size: 1.35rem; font-weight: 600; color: var(--navy); margin-bottom: 0.6rem; }
.form-success p:last-child { color: var(--mist); margin: 0; }

.channel-list { list-style: none; display: grid; gap: 0.5rem; }
.channel-list a { font-weight: 600; color: var(--navy); }
.location { font-style: normal; color: var(--ink); }

/* Research filters */
.research-filters { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); gap: 1rem; margin-bottom: 1.75rem; }
.research-count { font-size: 0.9rem; color: var(--mist); margin-bottom: 1rem; }
.research-empty { padding: 2rem 0; color: var(--mist); }

/* Legal */
.legal-fields { display: grid; grid-template-columns: minmax(0, 16rem) minmax(0, 1fr); gap: 0.6rem 1.5rem; margin: 1.5rem 0 2rem; }
.legal-fields dt { font-weight: 600; }
.legal-fields dd { margin: 0; color: var(--mist); }

/* Language selector (root) */
.selector { min-height: calc(100vh - var(--header-h) - 12rem); display: flex; flex-direction: column; justify-content: space-between; padding-top: clamp(3rem, 8vw, 7rem); overflow: hidden; }
.selector-inner { position: relative; z-index: 1; }
.selector-name { font-size: clamp(2.6rem, 1.5rem + 5vw, 5.4rem); font-weight: 300; letter-spacing: -0.045em; line-height: 1; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.selector-role { font-size: 1.2rem; color: var(--mist); }
.selector-list { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.selector-list a { display: flex; flex-direction: column; gap: 0.3rem; padding: 1.4rem 1.5rem 1.6rem 0; border-bottom: 1px solid var(--line); text-decoration: none; height: 100%; }
.selector-lang { font-size: 1.45rem; font-weight: 600; letter-spacing: -0.02em; color: var(--navy); }
.selector-title { color: var(--mist); font-size: 0.95rem; }
.selector-list a:hover .selector-lang { color: var(--blue); }

.notfound-links { list-style: none; display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; margin-top: 2rem; }
.notfound-links a { font-weight: 600; color: var(--navy); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #BCC8D5; padding-block: clamp(3rem, 2rem + 4vw, 5rem) 2rem; font-size: 0.93rem; }
.site-footer a { color: #E3E9EF; text-decoration: none; }
.site-footer a:hover { color: var(--paper); text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr)); gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.footer-grid ul { list-style: none; display: grid; gap: 0.45rem; }
.footer-name { color: var(--paper); font-weight: 700; font-size: 1.1rem; margin: 0; }
.footer-role { margin: 0 0 1rem; }
.footer-heading { color: var(--paper); font-weight: 600; margin: 0 0 0.8rem; }
.footer-disclaimer { max-width: 52rem; margin: 2rem 0 1.5rem; color: #9FB0C1; font-size: 0.88rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; font-size: 0.86rem; color: #9FB0C1; }
.footer-bottom p { margin: 0; }
.footer-legal { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; }
.footer-legal .link-button { color: #E3E9EF; text-decoration: none; }

/* ---------- Sticky mobile CTA & cookie banner ---------- */
.sticky-cta { display: none; }
.cookie-banner { position: fixed; left: 1rem; bottom: 1rem; z-index: 60; width: min(26rem, calc(100% - 2rem)); background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius-m); padding: 1.25rem 1.35rem; font-size: 0.9rem; box-shadow: 0 18px 40px -24px rgba(15, 34, 55, 0.45); }
.cookie-title { font-weight: 700; color: var(--navy); margin-bottom: 0.4rem; }
.cookie-options { list-style: none; border-top: 1px solid var(--line); margin: 0.75rem 0 1rem; }
.cookie-options li { display: flex; justify-content: space-between; padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
.cookie-actions { display: flex; gap: 0.5rem; justify-content: flex-end; flex-wrap: wrap; }

.error-page main { padding-block: 5rem; }
.narrow { max-width: 40rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 1100px) {
  .journey { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .journey-compact { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hero-grid, .editorial-grid, .prose-grid, .med-layout, .form-layout, .focus-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-text { padding-bottom: 0.5rem; }
  .hero-portrait { justify-self: start; max-width: 22rem; }
  .focus-facts { grid-column: 1; }
  .med-aside { position: static; }
  .toc { display: none; }
  .entry-list { grid-template-columns: minmax(0, 1fr); }
  .pub { grid-template-columns: minmax(0, 1fr); }
  .pub-meta { grid-row: auto; flex-direction: row; gap: 0.75rem; margin-bottom: 0.35rem; }
  .research-filters { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .research-filters .field:first-child { grid-column: 1 / -1; }
  .selector-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-head { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .header-cta { display: none; }
  .wordmark-role { display: none; }
  .lang-switch a:not([aria-current="true"]) { display: none; }
  .focus-list { grid-template-columns: minmax(0, 1fr); }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .journey, .journey-compact { grid-template-columns: minmax(0, 1fr); }
  .journey-compact li { display: flex; align-items: baseline; gap: 1rem; }
  .journey-compact .journey-num { margin: 0; min-width: 1.5rem; }
  .about-teaser { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .timeline li { grid-template-columns: minmax(0, 1fr); gap: 0.2rem; }
  .legal-fields { grid-template-columns: minmax(0, 1fr); }
  .selector-list { grid-template-columns: minmax(0, 1fr); }
  .sticky-cta {
    display: flex; gap: 0.5rem;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 0.65rem var(--gutter) calc(0.65rem + env(safe-area-inset-bottom, 0px));
    background: rgba(246, 243, 238, 0.97); border-top: 1px solid var(--line);
  }
  .sticky-cta .btn { flex: 1; }
  .has-sticky { padding-bottom: 4.5rem; }
  .cookie-banner { bottom: 5.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .oct-line { stroke-dashoffset: 0; animation: none; }
}

@media print {
  .site-header, .sticky-cta, .cookie-banner, .med-aside, .site-footer, .draft-banner, .oct-lines { display: none !important; }
  body { background: #fff; }
}


/* =====================================================================
   Tasarım briefi v2 — European medical editorial
   ===================================================================== */

/* Tipografi: serif başlıklar, sans gövde */
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.005em; }
h1 { font-size: clamp(2.6rem, 1.8rem + 3vw, 4.4rem); line-height: 1.02; }
h2 { font-size: clamp(2rem, 1.5rem + 1.8vw, 3.1rem); line-height: 1.08; }
.side-title, .toc-title, .focus-title { font-family: var(--font); }
.med-section h2, .prose h2 { font-size: clamp(1.7rem, 1.4rem + .9vw, 2.1rem); }
.entry-title { font-family: var(--serif); font-size: 1.6rem; font-weight: 500; letter-spacing: 0; }
.selector-name { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }
.btn { border-radius: var(--radius-s); letter-spacing: 0.01em; }

/* Etiket ve oklu link */
.eyebrow { display: block; margin: 0 0 1.25rem; font-family: var(--font); font-size: .74rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--slate); }
.link-arrow { display: inline-flex; align-items: center; gap: .55rem; padding-bottom: .2rem; font-size: .95rem; font-weight: 600; color: var(--navy); text-decoration: none; border-bottom: 1px solid var(--line-strong); transition: color .2s ease, border-color .2s ease; }
.link-arrow .arrow { transition: transform .2s ease; }
.link-arrow:hover { color: var(--teal); border-bottom-color: currentColor; }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* Header: sade wordmark, kaydırınca küçülür */
.site-header { transition: box-shadow .25s ease; }
.header-inner { transition: min-height .25s ease; }
.site-header.is-compact .header-inner { min-height: 3.6rem; }
.site-header.is-compact { box-shadow: 0 12px 30px -26px rgba(11, 27, 43, .45); }
.wordmark-name { font-size: .86rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }

/* Hero */
.hero-v2 { position: relative; overflow: hidden; padding-block: clamp(3rem, 2rem + 4vw, 6.5rem) clamp(3.5rem, 2rem + 4vw, 6rem); }
.hero-v2-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: center; }
.hero-v2 .eyebrow { margin-bottom: 1.75rem; }
.hero-v2-title { margin: 0 0 1.75rem; }
.hero-v2-name { display: block; font-size: clamp(3.3rem, 1.9rem + 5.4vw, 6.6rem); line-height: .94; letter-spacing: -0.012em; }
.hero-v2-sub { display: block; margin-top: 1.25rem; font-family: var(--font); font-size: clamp(1.1rem, .95rem + .6vw, 1.45rem); font-weight: 500; line-height: 1.35; letter-spacing: -0.01em; color: var(--slate); }
.hero-v2-intro { max-width: 44ch; margin-bottom: 2.4rem; font-size: 1.06rem; color: var(--mist); }
.hero-v2-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem 2.25rem; }
.hero-v2-visual { position: relative; justify-self: end; width: 100%; max-width: 29rem; margin: 0; }
.hero-v2-science { position: absolute; left: -42%; right: -14%; top: 22%; height: 66%; z-index: 0; pointer-events: none; }
.hero-v2-science .oct-lines { height: 100%; margin: 0; }
.hero-v2-science .oct-line { stroke: var(--slate); opacity: .17; }
.hero-v2-science .oct-line-7, .hero-v2-science .oct-line-8 { stroke: var(--slate); stroke-width: 1.3; opacity: .28; }
.hero-v2-photo { position: relative; z-index: 1; aspect-ratio: 4 / 5; background: var(--navy); overflow: hidden; }
.hero-v2-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; mix-blend-mode: lighten; }
.hero-v2-caption { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 1rem; margin-top: .9rem; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--mist); }

/* Güven şeridi */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust ul { list-style: none; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem 2rem; padding-block: 1.15rem; }
.trust li { font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--slate); }

/* Retina girişi */
.intro-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 2rem clamp(2.5rem, 6vw, 6rem); align-items: end; }
.intro-grid h2 { max-width: 16ch; margin: 0; font-size: clamp(2.3rem, 1.6rem + 2.6vw, 3.9rem); line-height: 1.04; }
.intro-body p { color: var(--mist); }
.intro-body .link-arrow { margin-top: .5rem; }

/* Numaralı editoryal listeler */
.index-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1rem 2rem; margin-bottom: 2.25rem; }
.index-head h2, .split-head h2 { margin: 0; }
.index-layout { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2.5rem, 6vw, 5.5rem); align-items: start; }
.index-list, .tx-list { list-style: none; border-top: 1px solid var(--line-strong); }
.index-link, .tx-link { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr) auto; gap: 0 1rem; align-items: baseline; padding: 1.35rem 0 1.4rem; border-bottom: 1px solid var(--line); color: inherit; text-decoration: none; }
.index-num { font-size: .78rem; font-weight: 600; letter-spacing: .1em; color: var(--slate); font-variant-numeric: tabular-nums; }
.index-title { display: block; font-family: var(--serif); font-size: clamp(1.55rem, 1.25rem + 1vw, 2.15rem); font-weight: 500; line-height: 1.1; color: var(--navy); transition: color .2s ease; }
.index-sub { display: block; margin-top: .3rem; font-size: .9rem; color: var(--mist); }
.index-arrow { font-size: 1.1rem; color: var(--slate); transition: transform .2s ease, color .2s ease; }
.index-link:hover, .tx-link:hover { color: inherit; }
.index-link:hover .index-title, .index-link:focus-visible .index-title, .index-link.is-active .index-title { color: var(--teal); }
.index-link:hover .index-arrow, .index-link:focus-visible .index-arrow, .tx-link:hover .index-arrow, .tx-link:focus-visible .index-arrow { transform: translateX(5px); color: var(--navy); }

.schematic-panel { position: sticky; top: calc(var(--header-h) + 2rem); padding: 1.5rem 1.5rem 1.1rem; background: var(--ivory); border: 1px solid var(--line); }
.schematic { display: none; margin: 0; }
.schematic.is-active { display: block; }
.schematic svg { width: 100%; height: auto; }
.schematic figcaption { display: flex; justify-content: space-between; gap: 1rem; margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--line); font-size: .74rem; color: var(--mist); }
.schematic figcaption strong { font-weight: 600; color: var(--navy); }
.sch-layer { fill: none; stroke: var(--navy); stroke-width: 1.1; stroke-linejoin: round; stroke-linecap: round; }
.sch-rpe { fill: none; stroke: var(--navy); stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.sch-bruch { fill: none; stroke: var(--navy); stroke-width: .8; stroke-opacity: .55; }
.sch-fluid { fill: #DCE5EB; }
.sch-drusen { fill: #D3DCE3; }
.sch-cyst { fill: var(--paper); stroke: var(--slate); stroke-width: 1; }
.sch-dot { fill: var(--slate); }
.sch-membrane { fill: none; stroke: var(--teal); stroke-width: 1.8; stroke-linecap: round; }
.sch-vitreous { fill: none; stroke: var(--slate); stroke-width: 1.1; stroke-dasharray: 4 5; }
.sch-floater { fill: var(--slate); fill-opacity: .45; }

/* Tedaviler: daha klinik */
.section-treatments { background: var(--paper); }
.split-head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1rem 4rem; align-items: end; margin-bottom: 2.5rem; }
.split-head p { max-width: 42ch; margin: 0; color: var(--mist); }
.tx-body { display: block; }
.tx-title { display: block; font-size: 1.18rem; font-weight: 600; letter-spacing: -0.01em; color: var(--navy); }
.tx-desc { display: block; max-width: 54ch; max-height: 0; overflow: hidden; opacity: 0; font-size: .95rem; color: var(--mist); transition: max-height .35s ease, opacity .25s ease, margin .25s ease; }
.tx-link:hover .tx-desc, .tx-link:focus-visible .tx-desc { max-height: 8rem; margin-top: .45rem; opacity: 1; }
@media (hover: none) { .tx-desc { max-height: none; margin-top: .45rem; opacity: 1; } }
.section-actions { margin-top: 2rem; }

/* Doktor */
.section-doctor { background: var(--soft); }
.doctor-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: center; }
.doctor-photo { max-width: 30rem; aspect-ratio: 3 / 4; background: var(--navy); overflow: hidden; }
.doctor-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 10%; filter: grayscale(1) contrast(1.06); mix-blend-mode: lighten; }
.doctor-body h2 { max-width: 14ch; font-size: clamp(2.2rem, 1.6rem + 2.2vw, 3.6rem); }
.doctor-body p { max-width: 46ch; color: var(--mist); }

/* Uluslararası hastalar */
.intl-v2 { background: var(--navy); color: #C4CFD9; }
.intl-v2 h2 { color: var(--paper); }
.intl-v2 .eyebrow { color: #92A6B7; }
.intl-v2-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2.5rem, 7vw, 6.5rem); align-items: start; }
.intl-v2-lead { max-width: 44ch; font-size: 1.1rem; color: #C4CFD9; }
.steps { list-style: none; margin: 2.5rem 0; border-top: 1px solid rgba(255, 255, 255, .16); }
.steps li { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 1rem; padding: 1rem 0; border-bottom: 1px solid rgba(255, 255, 255, .1); font-size: 1.05rem; color: #EEF2F5; }
.steps-num { padding-top: .25rem; font-size: .78rem; font-weight: 600; letter-spacing: .1em; color: #8DA2B4; font-variant-numeric: tabular-nums; }
.intl-v2 .link-arrow { color: var(--paper); border-bottom-color: rgba(255, 255, 255, .3); }
.intl-v2 .link-arrow:hover { color: #BFD6D8; }
.tirana { margin: .5rem 0 0; padding: 1.75rem 1.5rem 1.25rem; border: 1px solid rgba(255, 255, 255, .12); }
.tirana svg { width: 100%; height: auto; }
.tirana-line { fill: none; stroke: #8DA2B4; stroke-width: 1; vector-effect: non-scaling-stroke; }
.tirana-caption { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; padding-top: .9rem; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: #92A6B7; }

/* Yayınlar */
.pubs { margin-bottom: 2.25rem; border-top: 1px solid var(--line-strong); }
.pub2 { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) auto; gap: .35rem 2.5rem; padding: 1.7rem 0; border-bottom: 1px solid var(--line); }
.pub2-side { grid-column: 1; grid-row: 1 / span 3; }
.pub2-year { display: block; font-family: var(--serif); font-size: 2rem; font-weight: 500; line-height: 1; color: var(--navy); }
.pub2-journal { display: block; margin-top: .55rem; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--slate); }
.pub2-title, .pub2-authors, .pub2-ids { grid-column: 2; margin: 0; }
.pub2-title { max-width: 44rem; font-family: var(--serif); font-size: clamp(1.3rem, 1.1rem + .6vw, 1.6rem); font-weight: 500; line-height: 1.22; color: var(--navy); }
.pub2-authors { font-size: .9rem; color: var(--mist); }
.pub2-ids { font-size: .78rem; letter-spacing: .02em; color: var(--mist); }
.pub2-action { grid-column: 3; grid-row: 1 / span 3; align-self: start; white-space: nowrap; }

/* Journal */
.journal-head { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 1rem 3rem; align-items: end; margin-bottom: 2.5rem; }
.journal-head .eyebrow { margin: 0 0 .6rem; }
.journal-head h2, .journal-head h1 { max-width: 20ch; margin: 0; }
.journal-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 3rem; border-top: 1px solid var(--line-strong); }
.article-item a { display: block; height: 100%; padding: 1.8rem 0; border-bottom: 1px solid var(--line); color: inherit; text-decoration: none; }
.article-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.5rem; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--slate); }
.article-title { display: block; margin: .7rem 0 .55rem; font-family: var(--serif); font-size: clamp(1.5rem, 1.3rem + .7vw, 1.9rem); font-weight: 500; line-height: 1.18; color: var(--navy); transition: color .2s ease; }
.article-excerpt { display: block; font-size: .96rem; color: var(--mist); }
.article-item a:hover .article-title { color: var(--teal); }
.article-body ul { margin: 0 0 1.2em; padding-left: 1.2rem; }
.article-body li { margin-bottom: .4em; }

/* SSS */
.faq-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 2rem 4rem; align-items: start; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem; padding: 1.3rem 0; list-style: none; cursor: pointer; font-size: 1.1rem; font-weight: 500; color: var(--navy); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; flex: none; font-size: 1.5rem; font-weight: 300; line-height: 1; color: var(--slate); transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { max-width: 62ch; margin: 0 0 1.4rem; color: var(--mist); }

@media (max-width: 860px) {
  .hero-v2-grid, .intro-grid, .index-layout, .doctor-grid, .intl-v2-grid, .split-head, .faq-grid, .journal-head { grid-template-columns: minmax(0, 1fr); }
  .hero-v2-visual { justify-self: start; max-width: 24rem; }
  .schematic-panel { display: none; }
  .pub2 { grid-template-columns: minmax(0, 1fr); }
  .pub2-side { grid-row: auto; display: flex; align-items: baseline; gap: 1rem; }
  .pub2-journal { margin: 0; }
  .pub2-title, .pub2-authors, .pub2-ids, .pub2-action { grid-column: 1; }
  .pub2-action { grid-row: auto; justify-self: start; margin-top: .6rem; }
  .journal-list { grid-template-columns: minmax(0, 1fr); }
  .trust ul { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .hero-v2-science { left: -12%; right: -12%; }
  .trust li { font-size: .66rem; letter-spacing: .16em; }
  .index-link, .tx-link { grid-template-columns: 2.5rem minmax(0, 1fr) auto; }
}


/* =====================================================================
   Marka kiti — Dr. Kemal Yüksel
   Deep Navy #0B1B2B · Surgical Blue #466579 · Muted Teal #6F9995
   Warm Ivory #F6F5F1 · Soft Gray #E4E6E5 · Text #18232C
   ===================================================================== */
h1, h2 { font-weight: 400; letter-spacing: 0; }
.eyebrow { font-size: .68rem; font-weight: 500; letter-spacing: .3em; }
.btn { min-height: 3.1rem; padding: .9rem 1.6rem; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.btn-lg { min-height: 3.4rem; padding: 1rem 1.9rem; font-size: .74rem; }
.btn-sm { min-height: 2.55rem; padding: .55rem 1.05rem; font-size: .66rem; letter-spacing: .14em; }
.btn-ivory { background: var(--ivory); color: var(--navy); }
.btn-ivory:hover { background: var(--paper); color: var(--navy); }
.link-arrow:hover { color: var(--teal); }
.index-link:hover .index-title, .index-link:focus-visible .index-title, .index-link.is-active .index-title, .article-item a:hover .article-title { color: var(--teal); }
.sch-membrane { stroke: var(--accent); }

/* Logo */
.brand { display: flex; align-items: center; gap: .8rem; margin-right: auto; color: var(--navy); text-decoration: none; }
.brand:hover { color: var(--navy); }
.brand-mark { flex: none; width: 2.3rem; height: auto; transition: width .25s ease; }
.brand-text { display: flex; flex-direction: column; gap: .35rem; line-height: 1; }
.brand-name { font-family: var(--serif); font-size: 1.14rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.brand-role { font-size: .52rem; font-weight: 500; letter-spacing: .28em; text-transform: uppercase; color: var(--slate); white-space: nowrap; }
.site-header.is-compact .brand-mark { width: 1.9rem; }
.site-header.is-compact .brand-role { display: none; }
.main-nav ul { gap: 1.35rem; }

/* Hero */
.hero-k { position: relative; overflow: hidden; background: var(--navy); color: #C9D3DC; }
.hero-k-art { position: absolute; z-index: 0; top: 50%; right: -13rem; width: min(60rem, 70vw); color: var(--accent); opacity: .3; transform: translateY(-50%); pointer-events: none; }
.hero-k-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 2rem clamp(2rem, 5vw, 5rem); min-height: min(88vh, 47rem); }
.hero-k-text { display: flex; flex-direction: column; justify-content: center; padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.hero-k-mark { width: clamp(4.4rem, 3.4rem + 3vw, 6.4rem); height: auto; margin-bottom: clamp(1.75rem, 3vw, 2.4rem); color: var(--ivory); }
.hero-k-title { margin: 0; color: var(--ivory); }
.hero-k-name { display: block; font-size: clamp(3rem, 1.5rem + 5vw, 6rem); font-weight: 400; line-height: .98; letter-spacing: .035em; text-transform: uppercase; }
.hero-k-role { display: block; margin-top: 1.5rem; font-family: var(--font); font-size: clamp(.66rem, .6rem + .25vw, .8rem); font-weight: 500; line-height: 2.2; letter-spacing: .34em; text-transform: uppercase; color: #C9D3DC; }
.hero-k-rule { display: block; width: 2.75rem; height: 1px; margin: 1.8rem 0 1.4rem; background: rgba(246, 245, 241, .55); }
.hero-k-tagline { margin: 0 0 2.5rem; font-family: var(--serif); font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); font-style: italic; font-weight: 400; line-height: 1.2; color: var(--ivory); }
.hero-k-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; }
.hero-k .link-arrow { color: var(--ivory); border-bottom-color: rgba(246, 245, 241, .35); }
.hero-k .link-arrow:hover { color: #BFD3D0; }
.hero-k-place { margin: clamp(2.5rem, 5vw, 4rem) 0 0; font-size: .66rem; font-weight: 500; letter-spacing: .34em; text-transform: uppercase; color: #8FA2B2; }
.hero-k-visual { position: relative; display: flex; align-items: flex-end; justify-content: center; }
.hero-k-photo { position: relative; z-index: 1; width: min(100%, 31rem); aspect-ratio: 1 / 1; background: var(--navy);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 14%, #000 86%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 14%, #000 86%, transparent 100%); }
.hero-k-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 0; mix-blend-mode: lighten; }
.hero-k-words, .hero-k-note { position: absolute; z-index: 2; margin: 0; font-size: .62rem; font-weight: 500; line-height: 2.3; letter-spacing: .34em; text-transform: uppercase; color: #8FA2B2; }
.hero-k-words { top: clamp(3rem, 7vw, 6rem); left: 0; list-style: none; }
.hero-k-words::after { content: ""; display: block; width: 2rem; height: 1px; margin-top: 1rem; background: rgba(143, 162, 178, .6); }
.hero-k-note { right: 0; bottom: clamp(2.5rem, 6vw, 5rem); max-width: 12rem; text-align: right; }

/* İkonlu güven şeridi */
.trust ul { padding-block: 1.5rem; }
.trust li { display: flex; align-items: center; gap: .85rem; font-size: .66rem; font-weight: 500; letter-spacing: .26em; }
.icon { flex: none; width: 1.5rem; height: 1.5rem; }
.trust .icon { width: 1.65rem; height: 1.65rem; color: var(--navy); }

/* Uluslararası bant: kit vurgusu */
.intl-v2 .eyebrow, .steps-num, .tirana-caption { color: var(--accent); }
.tirana-line { stroke: var(--accent); }

/* Footer: kitin alt şeridi */
.site-footer { background: var(--ivory); color: var(--mist); border-top: 1px solid var(--line); padding-block: clamp(3.5rem, 2.5rem + 3vw, 5rem) 2rem; }
.site-footer a { color: var(--navy); }
.site-footer a:hover { color: var(--slate); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); gap: 2.5rem; padding-bottom: 2.75rem; }
.footer-brand { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 1.1rem; align-content: start; align-items: center; color: var(--navy); text-decoration: none; }
.footer-brand:hover { color: var(--navy); text-decoration: none; }
.footer-mark { grid-row: span 2; width: 3.2rem; height: auto; color: var(--navy); }
.footer-name { margin: 0; font-family: var(--serif); font-size: 1.5rem; font-weight: 500; line-height: 1; letter-spacing: .05em; text-transform: uppercase; color: var(--navy); }
.footer-role { margin: .5rem 0 0; font-size: .56rem; font-weight: 500; line-height: 2; letter-spacing: .3em; text-transform: uppercase; color: var(--slate); }
.footer-heading { margin: 0 0 1rem; font-size: .64rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--slate); }
.footer-col ul { list-style: none; display: grid; gap: .6rem; }
.footer-contact li { display: flex; align-items: center; gap: .7rem; }
.footer-contact li.no-icon { padding-left: 1.85rem; }
.footer-contact .icon { width: 1.15rem; height: 1.15rem; color: var(--slate); }
.footer-strip { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; padding-block: 1.35rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: .62rem; font-weight: 500; letter-spacing: .3em; text-transform: uppercase; color: var(--slate); }
.footer-strip-name { font-family: var(--serif); font-size: .98rem; font-weight: 500; letter-spacing: .12em; color: var(--navy); }
.footer-strip-line { flex: 1 1 4rem; height: 1px; background: var(--line-strong); }
.footer-disclaimer { color: var(--mist); }
.footer-bottom, .footer-legal a { color: var(--mist); }

@media (max-width: 860px) {
  .hero-k-grid { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-k-text { padding-block: 3rem .5rem; }
  .hero-k-visual { justify-content: flex-start; }
  .hero-k-photo { width: min(100%, 23rem); }
  .hero-k-words, .hero-k-note { display: none; }
  .hero-k-art { top: auto; right: -35%; bottom: -12%; width: 115vw; transform: none; }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .trust li { font-size: .62rem; }
}
@media (max-width: 640px) {
  .brand-role { display: none; }
  .brand-name { font-size: 1rem; }
  .brand-mark { width: 2rem; }
  .footer-strip-line { display: none; }
}
.fundus { width: 100%; height: auto; overflow: visible; }
.fundus-vessels path { fill: none; stroke: currentColor; stroke-linecap: round; }
.fundus-edge { fill: none; stroke: currentColor; stroke-width: .8; stroke-opacity: .45; }
.fundus-disc { fill: none; stroke: currentColor; stroke-width: 1.3; }
.fundus-cup { fill: none; stroke: currentColor; stroke-width: .8; stroke-opacity: .7; }
.fundus-macula { fill: none; stroke: currentColor; stroke-width: .7; stroke-opacity: .45; stroke-dasharray: 2 4; }

/* Header düzeni: kompakt dil menüsü, tek satır */
.header-inner { gap: 1.5rem; }
.main-nav a, .header-cta { white-space: nowrap; }
.header-cta { padding-inline: 1rem; font-size: .66rem; letter-spacing: .13em; }
.brand-role { line-height: 1.6; font-size: .5rem; }
.lang-menu { position: relative; }
.lang-menu summary { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .15rem; list-style: none; cursor: pointer; font-size: .7rem; font-weight: 600; letter-spacing: .16em; color: var(--navy); }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary::after { content: ""; width: .36rem; height: .36rem; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .2s ease; }
.lang-menu[open] summary::after { transform: translateY(1px) rotate(-135deg); }
.lang-menu ul { position: absolute; top: calc(100% + .6rem); right: 0; z-index: 60; min-width: 11rem; margin: 0; padding: .4rem 0; list-style: none; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 18px 40px -24px rgba(11, 27, 43, .4); }
.lang-menu a { display: flex; gap: .9rem; padding: .55rem 1rem; font-size: .88rem; color: var(--ink); text-decoration: none; }
.lang-menu a span { width: 1.6rem; padding-top: .12rem; font-size: .66rem; font-weight: 600; letter-spacing: .14em; color: var(--slate); }
.lang-menu a:hover { background: var(--ivory); color: var(--navy); }
.lang-menu a[aria-current="true"] { font-weight: 600; color: var(--navy); }

/* Portre: kenarları ve üstü lacivert zemine yumuşakça karışır */
.hero-k-photo {
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 12%, #000 88%, transparent 100%), linear-gradient(to bottom, transparent 0, #000 16%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent 0, #000 12%, #000 88%, transparent 100%), linear-gradient(to bottom, transparent 0, #000 16%);
  mask-composite: intersect;
}
.hero-k-note { top: clamp(3rem, 7vw, 6rem); bottom: auto; }

/* Hukuki metinler */
.legal-body h2 { margin: 2.6rem 0 .8rem; font-size: clamp(1.45rem, 1.25rem + .6vw, 1.8rem); }
.legal-body h2:first-child { margin-top: 0; }
.legal-body ul { margin: 0 0 1.2em; padding-left: 1.2rem; }
.legal-body li { margin-bottom: .45em; }
.legal-address { margin: 0 0 1.4em; padding: 1rem 1.25rem; font-style: normal; line-height: 1.85; border-left: 2px solid var(--line-strong); background: var(--paper); }
.legal-updated { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: .88rem; color: var(--mist); }

/* Footer imzası */
.footer-credit { margin: 1.4rem 0 0; padding-top: 1.1rem; border-top: 1px solid var(--line); font-size: .74rem; letter-spacing: .04em; color: var(--mist); }
.footer-credit a { color: var(--navy); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: .2em; }
.footer-credit a:hover { color: var(--slate); text-decoration-color: currentColor; }

/* İletişim kanalları */
.channel-list { list-style: none; display: grid; gap: 1rem; margin: 0 0 1.5rem; }
.channel-list li { display: flex; align-items: flex-start; gap: .85rem; }
.channel-list .icon { width: 1.35rem; height: 1.35rem; margin-top: .15rem; color: var(--slate); }
.channel-list small { display: block; margin-bottom: .15rem; font-size: .64rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--slate); }
.channel-list a { font-size: 1.05rem; font-weight: 600; color: var(--navy); text-decoration: none; }
.channel-list a:hover { color: var(--teal); }

/* WhatsApp butonu ve pop-up */
.wa { position: fixed; right: clamp(1rem, 2.5vw, 1.75rem); bottom: clamp(1rem, 2.5vw, 1.75rem); z-index: 70; display: flex; flex-direction: column; align-items: flex-end; gap: .9rem; }
.wa-button { display: inline-flex; align-items: center; justify-content: center; width: 3.6rem; height: 3.6rem; border-radius: 50%; background: var(--navy); color: var(--ivory); box-shadow: 0 14px 32px -14px rgba(11, 27, 43, .65); transition: transform .2s ease, background-color .2s ease; }
.wa-button:hover { transform: translateY(-2px); background: var(--navy-2); color: #fff; }
.wa-button .icon { width: 1.75rem; height: 1.75rem; stroke-width: 1.4; }
.wa.is-open .wa-button { background: var(--slate); }
.wa-panel { width: min(22rem, calc(100vw - 2rem)); overflow: hidden; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 28px 60px -30px rgba(11, 27, 43, .6); transform-origin: bottom right; animation: wa-in .22s ease-out; }
@keyframes wa-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.wa-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: .85rem; padding: 1rem .8rem 1rem 1.2rem; background: var(--navy); color: var(--ivory); }
.wa-mark { width: 2.2rem; height: auto; color: var(--ivory); }
.wa-title { margin: 0; font-family: var(--serif); font-size: 1.12rem; font-weight: 500; line-height: 1.1; letter-spacing: .05em; text-transform: uppercase; }
.wa-sub { margin: .3rem 0 0; font-size: .6rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: #9FB0BF; }
.wa-close { display: inline-flex; align-items: center; justify-content: center; width: 2.1rem; height: 2.1rem; padding: 0; background: none; border: 0; color: var(--ivory); opacity: .8; cursor: pointer; }
.wa-close svg { width: 1.2rem; height: 1.2rem; }
.wa-close:hover { opacity: 1; }
.wa-body { padding: 1.25rem 1.2rem 1.1rem; background: var(--ivory); }
.wa-bubble { margin: 0 0 .8rem; padding: .85rem 1rem; font-size: .95rem; line-height: 1.5; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 0 12px 12px 12px; }
.wa-note { margin: 0 0 1.1rem; font-size: .76rem; line-height: 1.5; color: var(--mist); }
.wa-start { width: 100%; gap: .6rem; background: var(--navy); color: var(--ivory); }
.wa-start:hover { background: var(--navy-2); color: #fff; }
.wa-start .icon { width: 1.25rem; height: 1.25rem; }
.wa-number { margin: .75rem 0 0; font-size: .78rem; letter-spacing: .06em; text-align: center; color: var(--mist); }
@media (max-width: 640px) {
  .wa { right: .9rem; bottom: calc(5rem + env(safe-area-inset-bottom, 0px)); }
  .wa-button { width: 3.25rem; height: 3.25rem; }
}
@media (prefers-reduced-motion: reduce) { .wa-panel { animation: none; } }
@media print { .wa { display: none !important; } }
.wa-button { box-shadow: 0 0 0 1px rgba(246, 245, 241, .45), 0 14px 32px -14px rgba(11, 27, 43, .65); }

/* ---------- Mobil okunabilirlik ve dokunma alanları ---------- */
.lang-menu summary { font-size: .76rem; }
.lang-menu li span, .mobile-lang span { font-size: .74rem; }
@media (max-width: 1099px) { .brand-role { font-size: .64rem; letter-spacing: .22em; } }
@media (max-width: 720px) {
  .eyebrow { font-size: .74rem; letter-spacing: .22em; }
  .hero-k-role, .hero-k-place { font-size: .74rem; }
  .footer-role, .footer-strip-role { font-size: .7rem; letter-spacing: .22em; }
  .footer-heading { font-size: .72rem; }
  .channel-list small { font-size: .72rem; }
}
@media (pointer: coarse) {
  .lang-menu summary { min-width: 44px; min-height: 44px; }
  .footer-col ul { gap: 0; }
  .footer-col a, .footer-legal a, .notfound-links a, .text-link { display: inline-block; padding-block: .62rem; }
  .footer-contact li { min-height: 44px; }
  .link-arrow { padding-block: .6rem .5rem; }
  .breadcrumb a { display: inline-block; padding-block: .45rem; }
}
.footer-role, .footer-strip-role { font-size: .64rem; }
.footer-heading { font-size: .68rem; }
.brand-role { font-size: .58rem; }
.header-cta .btn, .site-header .btn-primary { font-size: .7rem; }
@media (max-width: 720px) {
  .trust li span, .footer-strip > span { font-size: .7rem; }
  .footer-role, .footer-strip-role { font-size: .7rem; }
}
@media (pointer: coarse) {
  .channel-list a, .pub-links a, .legal-address a { display: inline-block; padding-block: .55rem; }
}

/* Alt çubuk (telefon): sayfanın en altındaki imza çubuğun arkasında kalmasın; iPhone alt çentik payı dahil */
@media (max-width: 640px) {
  .has-sticky { padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px)); }
}
@media (max-width: 720px) {
  .footer-heading { font-size: .74rem; }
}

/* Okunabilirlik: büyük harfli mini etiketler tablet ve masaüstünde de en az ~11 px */
.eyebrow, .hero-k-place, .hero-k-words li, .hero-k-note, .trust li span, .footer-role, .footer-heading, .footer-strip-role, .footer-strip > span, .channel-list small { font-size: .7rem; }
.brand-role { font-size: .7rem; letter-spacing: .2em; }

/* Çerez onayı */
.consent { position: fixed; right: 1rem; bottom: 1rem; z-index: 1000; width: min(34rem, calc(100vw - 2rem)); display: flex; flex-direction: column; gap: .9rem; padding: 1.1rem 1.2rem; background: var(--paper); color: var(--ink); border: 1px solid var(--line); box-shadow: 0 28px 60px -30px rgba(11, 27, 43, .6); font-size: .9rem; line-height: 1.55; }
.consent[hidden] { display: none; }
.consent-text { margin: 0; }
.consent-text a { color: var(--navy); text-decoration: underline; text-underline-offset: 2px; }
.consent-actions { display: flex; gap: .6rem; }
.consent-actions .btn { flex: 1; width: auto; min-height: 2.75rem; padding: .6rem 1rem; }
.footer-consent { background: none; border: 0; padding: 0; margin: 0; font: inherit; color: inherit; cursor: pointer; text-decoration: inherit; }
.footer-consent:hover, .footer-consent:focus-visible { text-decoration: underline; }
@media (max-width: 47.99em) {
  .consent { left: .75rem; right: .75rem; width: auto; bottom: calc(.75rem + env(safe-area-inset-bottom, 0px)); }
}