/* Hande Aybaş — portföy
   Renk: soğuk kırık beyaz zemin, lacivert-antrasit metin, tek vurgu (çam yeşili).
   Tipografi: Newsreader (başlık), Schibsted Grotesk (metin). */

:root {
  --paper: #f5f5f1;
  --paper-2: #ecece6;
  --ink: #141b2d;
  --slate: #535a69;
  --line: #d6d7cf;
  --pine: #2f5b4c;
  --pine-soft: #dfe8e3;

  --night: #141b2d;
  --night-2: #1d2539;
  --night-text: #e9eae4;
  --night-muted: #a3a9b6;
  --night-line: #323b52;
  --pine-light: #8fc0ad;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Schibsted Grotesk", "Segoe UI", system-ui, sans-serif;

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --space: clamp(80px, 9vw, 136px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  font-feature-settings: "kern", "liga";
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--pine); }
:focus-visible { outline: 2px solid var(--pine); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* Eksik bilgi işareti: yayından önce doldurulacak */
.tbd, .dark .tbd { background: #fff3c4; color: #5c4a00; padding: 0 0.3em; border-radius: 2px; }

/* Üst çubuk */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  padding: 18px var(--gutter);
  background: rgb(245 245 241 / 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
}
.topbar__name { font: 500 19px/1 var(--serif); text-decoration: none; }
.topbar__nav { display: flex; gap: 28px; font-size: 15px; }
.topbar__nav a { text-decoration: none; color: var(--slate); }
.topbar__nav a:hover { color: var(--ink); }

/* Giriş */
.intro { padding-top: clamp(56px, 8vw, 112px); padding-bottom: var(--space); }
.intro__name {
  font: 400 clamp(52px, 7.5vw, 104px)/0.95 var(--serif);
  letter-spacing: -0.035em;
  margin-left: -0.05em;
}
.intro__role {
  margin-top: 28px;
  font: 400 clamp(20px, 2.2vw, 26px)/1.35 var(--serif);
  font-style: italic;
  color: var(--slate);
}
.intro__lead { margin-top: 40px; max-width: 34em; font-size: clamp(18px, 1.6vw, 20px); }

/* Zincir: sayfanın imza öğesi */
.chain { margin-top: clamp(72px, 9vw, 120px); }
.chain__steps {
  counter-reset: step;
  display: grid; grid-template-columns: repeat(9, 1fr);
  border-top: 1px solid var(--ink);
}
.chain__steps li {
  counter-increment: step;
  position: relative;
  padding: 20px 12px 0 0;
  font: 400 clamp(17px, 1.7vw, 23px)/1.2 var(--serif);
}
.chain__steps li::before {
  content: counter(step);
  display: block; margin-bottom: 10px;
  font: 500 13px/1 var(--sans); color: var(--slate);
  font-variant-numeric: tabular-nums;
}
.chain__steps li::after {
  content: ""; position: absolute; top: -5px; left: 0;
  width: 9px; height: 9px; border-radius: 50%; background: var(--ink);
}
.chain__note { margin-top: 40px; max-width: 36em; color: var(--slate); }

.facts {
  margin-top: clamp(64px, 8vw, 104px);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.facts dt { font: 400 clamp(26px, 2.5vw, 34px)/1.1 var(--serif); letter-spacing: -0.01em; }
.facts dd { margin-top: 6px; font-size: 15px; color: var(--slate); }

/* Proje bölümleri */
.case { padding-top: var(--space); border-top: 1px solid var(--line); padding-bottom: var(--space); }
.case + .case { border-top: 1px solid var(--line); }
.case__head { display: flex; align-items: center; gap: 24px; }
.case__icon { width: 56px; height: 56px; border-radius: 13px; border: 1px solid var(--line); }
.case__title { font: 400 clamp(36px, 4.2vw, 58px)/1.05 var(--serif); letter-spacing: -0.03em; }
.case__kind { margin-top: 8px; font: 400 clamp(18px, 1.6vw, 21px)/1.3 var(--serif); font-style: italic; color: var(--slate); }

/* Projedeki rol şeridi: zincirin küçük hali */
.coverage { margin-top: 48px; }
.coverage ol { display: grid; grid-template-columns: repeat(9, 1fr); border-top: 1px solid var(--line); }
.coverage li { position: relative; padding: 14px 8px 0 0; font-size: 14px; color: #9a9fa9; }
.coverage li::after {
  content: ""; position: absolute; top: -5px; left: 0;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 1px solid var(--slate);
}
.coverage li.me { color: var(--ink); }
.coverage li.me::after { background: var(--pine); border-color: var(--pine); }

.case__body {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); align-items: start;
}
.case__body--flip { grid-template-columns: 7fr 5fr; }
.case__text h3 { font: 600 15px/1.3 var(--sans); margin-top: 32px; }
.case__text h3:first-child { margin-top: 0; }
.case__text p { margin-top: 8px; max-width: 32em; }
.roles { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.roles li { padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; }
.team { font-size: 15px; color: var(--slate); }
.case__text .team { margin-top: 20px; }
.notes { margin-top: 28px; border-top: 1px solid var(--line); }
.notes li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 24px; font-weight: 500; }
.case__text .links { margin-top: 28px; }

/* Telefon ekranları: çerçevesiz, basamaklı */
.phones { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(12px, 2vw, 24px); align-items: start; }
.phones figure img { border-radius: clamp(14px, 2vw, 26px); border: 1px solid rgb(20 27 45 / 0.12); }
.phones figure:nth-child(2) { margin-top: 12%; }
.phones figure:nth-child(3) { margin-top: 24%; }
.phones__cap { grid-column: 1 / -1; margin-top: 12px; font-size: 14px; color: var(--slate); }

/* Vaybla büyüme akışı */
.growth { margin-top: clamp(72px, 9vw, 120px); }
.growth__title { font: 400 clamp(24px, 2.4vw, 32px)/1.2 var(--serif); letter-spacing: -0.01em; }
.growth__steps {
  counter-reset: g; margin-top: 32px;
  display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink);
}
.growth__steps li {
  counter-increment: g; padding: 20px 24px 28px 0; border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
}
.growth__steps li::before { content: counter(g); font: 500 13px/1 var(--sans); color: var(--slate); margin-bottom: 6px; }
.growth__steps strong { font: 500 19px/1.25 var(--serif); }
.growth__steps span { font-size: 15px; color: var(--slate); }

/* Koyu bölüm: AI yaklaşımı ve otomasyon */
.dark { background: var(--night); color: var(--night-text); }
.dark a:hover { color: var(--pine-light); }
.dark :focus-visible { outline-color: var(--pine-light); }

.ai { padding-top: var(--space); padding-bottom: clamp(72px, 9vw, 120px); }
.ai__title { font: 400 clamp(36px, 4.2vw, 58px)/1.05 var(--serif); letter-spacing: -0.03em; }
.equation {
  margin-top: clamp(48px, 6vw, 80px);
  font: 400 clamp(22px, 2.5vw, 34px)/1.3 var(--serif); letter-spacing: -0.01em;
}
.equation > span { display: block; padding-left: 1.1em; text-indent: -1.1em; }
.equation .op { display: inline-block; width: 1.1em; text-indent: 0; color: var(--night-muted); }
.equation .result { margin-top: 0.3em; font-style: italic; color: var(--pine-light); }
.principles {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px;
  border-top: 1px solid var(--night-line); padding-top: 32px;
}
.principles h3 { font: 500 20px/1.25 var(--serif); }
.principles p { margin-top: 10px; font-size: 15px; color: var(--night-muted); }

.case--dark { border-top: 1px solid var(--night-line); }
.case--dark .case__kind { color: var(--night-muted); }
.auto {
  margin-top: clamp(48px, 6vw, 80px);
  display: grid; grid-template-columns: 6fr 5fr; gap: clamp(40px, 6vw, 96px); align-items: start;
}
.auto__text h3 { font: 600 15px/1.3 var(--sans); margin-top: 32px; }
.auto__text h3:first-child { margin-top: 0; }
.auto__text p { margin-top: 8px; max-width: 32em; color: var(--night-text); }
.auto__quote { border-left: 2px solid var(--pine-light); padding-left: 28px; }
.auto__quote p { font: 400 clamp(22px, 2.3vw, 30px)/1.3 var(--serif); letter-spacing: -0.01em; }

.flow {
  counter-reset: f; margin-top: clamp(64px, 8vw, 104px);
  display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--night-text);
}
.flow li {
  counter-increment: f; position: relative;
  padding: 20px 16px 0 0; font: 400 clamp(17px, 1.6vw, 21px)/1.25 var(--serif);
}
.flow li::before { content: counter(f); display: block; margin-bottom: 10px; font: 500 13px/1 var(--sans); color: var(--night-muted); }
.flow li::after { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--night-text); }
.flow li:nth-child(5)::after { background: var(--pine-light); box-shadow: 0 0 0 4px rgb(143 192 173 / 0.25); }
.flow li:nth-child(5) { color: var(--pine-light); }

.panel-shots {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 56px) clamp(16px, 2.5vw, 32px);
}
.panel-shots figure:first-child { grid-column: 1 / -1; }
.panel-shots img { border-radius: 8px; border: 1px solid var(--night-line); }
.panel-shots figcaption { margin-top: 14px; max-width: 40em; font-size: 15px; color: var(--night-muted); }
.panel-shots__note { grid-column: 1 / -1; margin-top: -8px; font-size: 13px; color: var(--night-muted); }
.ph {
  display: grid; place-items: center; min-height: 240px; padding: 24px; text-align: center;
  border: 1px dashed var(--night-line); border-radius: 8px;
  font-size: 14px; color: var(--night-muted); background: var(--night-2);
}
.ph:first-child { min-height: 360px; }

.status { margin-top: clamp(56px, 7vw, 96px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); }
.status h3 { font: 600 15px/1.3 var(--sans); margin-top: 32px; }
.status h3:first-child { margin-top: 0; }
.status ul { margin-top: 12px; border-top: 1px solid var(--night-line); }
.status li { padding: 10px 0; border-bottom: 1px solid var(--night-line); font-size: 15px; }
.status p { margin-top: 8px; font-size: 15px; color: var(--night-muted); max-width: 32em; }

/* Web işleri */
.web, .path { padding-top: var(--space); }
.section-title { font: 400 clamp(36px, 4.2vw, 58px)/1.05 var(--serif); letter-spacing: -0.03em; }
.section-lead { margin-top: 20px; max-width: 34em; color: var(--slate); }
.web__grid {
  margin-top: clamp(48px, 6vw, 80px);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(40px, 5vw, 72px) clamp(24px, 3vw, 40px);
}
.site { display: block; text-decoration: none; }
.site img { border: 1px solid var(--line); border-radius: 6px; transition: border-color 0.2s; }
.site h3 { margin-top: 18px; font: 400 24px/1.2 var(--serif); }
.site p { margin-top: 4px; max-width: 36em; font-size: 15px; color: var(--slate); }
.site .site__extra { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--ink); }
.site:hover { color: var(--ink); }
.site:hover img { border-color: var(--ink); }
.site:hover h3 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }

/* Geçmiş */
.path__line { margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(6, 1fr); }
.path__line li { position: relative; padding: 20px 16px 0 0; font: 400 18px/1.3 var(--serif); }
.path__line li::after { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--ink); }
.path__line .yr { display: table; margin-bottom: 10px; font: 500 13px/1.4 var(--sans); color: var(--slate); }
.path__line .tbd.yr { color: #5c4a00; }
.path__line li:last-child::after { background: var(--pine); }
.path__edu { margin-top: 48px; color: var(--slate); }

/* Kapanış */
.close { padding-top: var(--space); padding-bottom: clamp(80px, 10vw, 140px); }
.close__line {
  font: 400 clamp(30px, 3.8vw, 52px)/1.12 var(--serif); letter-spacing: -0.02em;
  max-width: 18em; padding-top: 40px; border-top: 1px solid var(--ink);
}
.contact { margin-top: clamp(48px, 6vw, 72px); display: flex; flex-wrap: wrap; gap: 12px 40px; font: 400 clamp(20px, 2vw, 24px)/1.3 var(--serif); }

/* Tablet */
@media screen and (max-width: 980px) {
  .case__body, .case__body--flip, .auto, .status { grid-template-columns: 1fr; }
  .case__body--flip .phones { order: 2; }
  .principles { grid-template-columns: 1fr 1fr; }
  .growth__steps { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .path__line { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
}

/* Telefon */
@media screen and (max-width: 640px) {
  body { font-size: 16px; }
  .topbar__nav { display: none; }
  .chain__steps, .coverage ol, .flow { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
  .chain__steps { border-top: 0; }
  .chain__steps li, .flow li, .coverage li { border-top: 1px solid currentColor; }
  .coverage li { border-top-color: var(--line); }
  .chain__steps li::after, .flow li::after, .coverage li::after { top: -5px; }
  .coverage ol { border-top: 0; }
  .flow { border-top: 0; }
  .facts { gap: 24px; }
  .principles, .growth__steps, .web__grid { grid-template-columns: 1fr; }
  .path__line { grid-template-columns: 1fr 1fr; }
  .panel-shots { grid-template-columns: 1fr; }
  .case__head { align-items: flex-start; }
  .case__icon { width: 48px; height: 48px; border-radius: 11px; }
}

/* Görsel büyütme penceresi */
.phones img, .panel-shots img { cursor: zoom-in; }
.zoom {
  width: 100vw; height: 100vh; max-width: none; max-height: none; margin: 0; padding: 56px 72px 24px;
  border: 0; background: rgb(12 16 28 / 0.97); color: var(--night-text);
}
.zoom::backdrop { background: transparent; }
.zoom[open] { display: flex; align-items: center; justify-content: center; }
.zoom__fig { display: flex; flex-direction: column; align-items: center; gap: 14px; max-width: 100%; max-height: 100%; }
.zoom__fig img { max-width: min(1600px, 100%); max-height: calc(100vh - 140px); width: auto; border-radius: 6px; cursor: default; }
.zoom--tall .zoom__fig img { border-radius: 24px; }
.zoom__fig figcaption { max-width: 48em; text-align: center; font-size: 15px; color: var(--night-muted); }
.zoom__btn {
  position: absolute; padding: 8px 14px; border: 1px solid var(--night-line); border-radius: 999px;
  background: var(--night); color: var(--night-text); font: 500 14px/1 var(--sans); cursor: pointer;
}
.zoom__btn:hover { border-color: var(--night-text); }
.zoom__close { top: 14px; right: 16px; }
.zoom__prev { left: 16px; top: 50%; }
.zoom__next { right: 16px; top: 50%; }
.zoom__btn[hidden] { display: none; }
.panel-shots__hint { font-size: 13px; color: var(--night-muted); }
@media screen and (max-width: 640px) {
  .zoom { padding: 56px 12px 64px; }
  .zoom__prev, .zoom__next { top: auto; bottom: 14px; }
}

/* Kapanıştaki QR alanı yalnızca PDF'te */
.print-only { display: none; }

/* PDF / yazdırma sürümü: yatay A4, açık zemin, her ana bölüm yeni sayfada */
@page { size: A4 landscape; margin: 12mm 14mm; }
@media print {
  :root { --space: 0px; --gutter: 0px; --wrap: none; }
  html, body { background: #fff; }
  body { font-size: 13px; }
  .case__text p, .auto__text p { font-size: 13px; }
  .roles li { font-size: 12px; padding: 2px 10px; }
  .notes li { padding: 6px 0; font-size: 12.5px; }
  .case__text h3 { margin-top: 18px; }
  .case__text .links, .notes { margin-top: 16px; }
  .topbar, .screen-only, .zoom, .panel-shots__note { display: none !important; }
  .print-only { display: flex; }
  a { text-decoration: none; }

  /* Koyu bölüm kâğıtta açık renge döner */
  .dark {
    background: #fff;
    --night: #fff; --night-2: var(--paper); --night-text: var(--ink);
    --night-muted: var(--slate); --night-line: var(--line); --pine-light: var(--pine);
  }
  .flow li:nth-child(5)::after { box-shadow: none; }

  .intro { padding-top: 10mm; }
  .intro__lead { margin-top: 20px; }
  .case, .ai, .web, .path, .close { padding-top: 0; padding-bottom: 0; border-top: 0; }
  #patimapp, #vaybla, #ai, #otomasyon, #web, #gecmis,
  .growth, .panel-shots, .status { break-before: page; }
  .growth, .panel-shots, .status { margin-top: 0; }
  .close { margin-top: 16mm; }
  .close__line { font-size: 34px; padding-top: 20px; }
  .contact { margin-top: 20px; font-size: 18px; }
  .path__edu { margin-top: 20px; }

  .case__title, .ai__title, .section-title { font-size: 40px; }
  .case__icon { width: 44px; height: 44px; border-radius: 10px; }
  .coverage { margin-top: 14px; }
  .coverage li { padding-top: 10px; font-size: 12px; }
  .case__body { margin-top: 20px; }
  .chain, .facts { margin-top: 40px; }
  .auto, .flow, .principles, .equation { margin-top: 32px; }
  .phones { max-width: 500px; justify-self: end; }
  .case__body--flip .phones { justify-self: start; }
  .panel-shots { gap: 20px 24px; }
  .panel-shots figure:first-child img { max-height: 105mm; width: auto; }
  .web__grid { margin-top: 20px; grid-template-columns: repeat(5, 1fr); gap: 22px 16px; }
  .site h3 { margin-top: 8px; font-size: 15px; }
  .site p { font-size: 11px; line-height: 1.45; }
  .site .site__extra { margin-top: 6px; padding-top: 6px; }
  .path__line { margin-top: 32px; }

  .site, figure, .growth__steps li, .principles > div, .status > div,
  .auto__quote, .flow, .coverage, .case__head, .notes, .roles, .path__line li { break-inside: avoid; }
  h2, h3 { break-after: avoid; }

  .print-link { margin-top: 10mm; align-items: center; gap: 6mm; font-size: 14px; color: var(--slate); }
  .print-link img { width: 26mm; height: 26mm; }
  .print-link a { color: var(--ink); font-weight: 500; }
}