/* ==========================================================================
   Furkan Özçelik — Kişisel web sitesi
   Tasarım sistemi: docs/03-tasarim-sistemi.md
   Sıralama: 1 Tokenlar · 2 Temel · 3 Düzen · 4 Bileşenler · 5 Bölümler · 6 Yardımcılar
   ========================================================================== */

/* 1. Tokenlar -------------------------------------------------------------- */
:root {
  /* Mürekkep (koyu) tonları: harita zemini ve metin */
  --ink-950: #07121c;
  --ink-900: #0b1a27;
  --ink-850: #0f2231;
  --ink-800: #142b3d;
  --ink-700: #1e3a50;
  --ink-600: #2b4b63;
  --ink-400: #6f8698;
  --ink-300: #9fb2c1;
  --ink-200: #c9d5de;
  --ink-100: #e4ebf0;

  /* Kâğıt (açık) tonları: pafta kâğıdı sıcaklığı */
  --paper: #f5f3ee;
  --paper-2: #ece8df;
  --paper-3: #e2ddd1;
  --white: #ffffff;

  --text: #13212d;
  --text-2: #33434f;
  --text-muted: #56656f;
  --line: #dad4c7;
  --line-strong: #c4bcab;
  --line-dark: rgba(201, 213, 222, 0.14);

  /* Vurgu: ölçüm ekipmanı turuncusu. Açık zeminde metin için --accent-700 kullanılır. */
  --accent: #e0662b;
  --accent-700: #a8441a;
  --accent-300: #f08a55;
  --accent-100: #fbe6da;
  --teal: #2f7f8a;
  --teal-300: #6fb7bf;
  --amber: #e3b04b;
  --linkedin: #0a66c2;

  --font-display: "Archivo", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.1875rem;
  --fs-xl: clamp(1.25rem, 1.05rem + 0.7vw, 1.5rem);
  --fs-h3: clamp(1.1875rem, 1.05rem + 0.45vw, 1.375rem);
  --fs-h2: clamp(2rem, 1.3rem + 2.5vw, 3.25rem);
  --fs-h1: clamp(2.75rem, 1.5rem + 4.9vw, 5.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --section-y: clamp(4.5rem, 2.8rem + 6vw, 8rem);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(7, 18, 28, 0.05), 0 4px 14px -6px rgba(7, 18, 28, 0.12);
  --shadow: 0 22px 44px -26px rgba(7, 18, 28, 0.38);
  --shadow-dark: 0 40px 80px -40px rgba(0, 0, 0, 0.65);

  --header-h: 72px;
  --container: 1240px;
  --gutter: clamp(1rem, 3.6vw, 2rem);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 2. Temel ----------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img,
svg,
picture { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: inherit;
  text-wrap: balance;
}

p { margin: 0 0 var(--space-4); text-wrap: pretty; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
figure { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--accent-100); color: var(--ink-950); }

section[id],
[id].anchor { scroll-margin-top: calc(var(--header-h) + 16px); }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--ink-950);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: none; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 3. Düzen ----------------------------------------------------------------- */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.section { padding-block: var(--section-y); position: relative; }
.section--alt { background: var(--paper-2); }
.section--dark {
  background: var(--ink-900);
  color: var(--ink-100);
}
.section--dark .lead,
.section--dark p { color: var(--ink-200); }

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2.25rem, 1.5rem + 2.5vw, 3.75rem);
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--split {
  max-width: none;
  display: grid;
  gap: var(--space-5);
  align-items: end;
}
@media (min-width: 1024px) {
  .section-head--split { grid-template-columns: 1.1fr 0.9fr; gap: var(--space-8); }
}
.section-head h2 { font-size: var(--fs-h2); }
.section-head .lead { margin-top: var(--space-4); }

/* Bölüm etiketi: numara + başlık + mini ölçek çubuğu */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-700);
}
.kicker::after {
  content: "";
  width: 48px;
  height: 5px;
  border: 1px solid currentColor;
  background: repeating-linear-gradient(90deg, currentColor 0 7px, transparent 7px 14px);
  opacity: 0.8;
}
.kicker-no { color: var(--text-muted); }
.section--dark .kicker,
.hero .kicker { color: var(--accent-300); }
.section--dark .kicker-no { color: var(--ink-400); }

.lead {
  font-size: var(--fs-lg);
  line-height: 1.6;
  color: var(--text-2);
}

/* 4. Bileşenler ------------------------------------------------------------ */

/* Butonlar */
.btn {
  --btn-bg: transparent;
  --btn-fg: inherit;
  --btn-bd: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.7rem 1.35rem;
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.005em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease),
    transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn .icon { width: 1.1em; height: 1.1em; transition: transform 0.2s var(--ease); }
.btn:hover .icon--move { transform: translateX(3px); }

.btn-primary {
  --btn-bg: var(--accent);
  --btn-fg: var(--ink-950);
  --btn-bd: var(--accent);
  box-shadow: 0 10px 24px -14px rgba(224, 102, 43, 0.75);
}
.btn-primary:hover { --btn-bg: var(--accent-300); --btn-bd: var(--accent-300); }

.btn-ghost {
  --btn-fg: var(--white);
  --btn-bd: rgba(201, 213, 222, 0.32);
}
.btn-ghost:hover { --btn-bd: var(--ink-200); --btn-bg: rgba(201, 213, 222, 0.06); }

.btn-outline {
  --btn-fg: var(--text);
  --btn-bd: var(--line-strong);
  --btn-bg: transparent;
}
.btn-outline:hover { --btn-bd: var(--text); }

.btn-dark {
  --btn-bg: var(--ink-900);
  --btn-fg: var(--white);
  --btn-bd: var(--ink-900);
}
.btn-dark:hover { --btn-bg: var(--ink-700); --btn-bd: var(--ink-700); }

.btn-sm { min-height: 40px; padding: 0.5rem 1rem; font-size: var(--fs-sm); }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--accent-700);
  text-decoration: none;
}
.link-arrow .icon { width: 1em; height: 1em; transition: transform 0.2s var(--ease); }
.link-arrow:hover .icon { transform: translateX(3px); }
.section--dark .link-arrow { color: var(--accent-300); }

/* Etiket/çip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: var(--fs-sm);
  line-height: 1.3;
  color: var(--text-2);
}
.chip .icon { width: 1em; height: 1em; color: var(--accent-700); }
.chip-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-2);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-100);
  color: var(--accent-700);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Kart: ince çerçeve + ölçüm köşe işaretleri */
.card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 0 solid var(--accent);
  opacity: 0;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none;
}
.card::before { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; border-top-left-radius: var(--radius); transform: translate(4px, 4px); }
.card::after { right: -1px; bottom: -1px; border-right-width: 2px; border-bottom-width: 2px; border-bottom-right-radius: var(--radius); transform: translate(-4px, -4px); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.card:hover::before,
.card:hover::after { opacity: 1; transform: none; }

.icon-box {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--accent-700);
}
.icon-box .icon { width: 24px; height: 24px; }

/* 5. Bölümler -------------------------------------------------------------- */

/* Üst menü */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  color: var(--white);
}
/* Bulanık zemin sözde öğede: header'da backdrop-filter olsaydı, sabit konumlu mobil menünün
   referans kutusu header'a daralırdı. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(7, 18, 28, 0.62);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled::before,
.site-header.is-open::before {
  background: rgba(7, 18, 28, 0.94);
  border-bottom-color: var(--line-dark);
  box-shadow: 0 10px 30px -20px rgba(0, 0, 0, 0.6);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--white);
}
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-text span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.site-nav { display: flex; align-items: center; }
.site-nav ul { display: flex; align-items: center; gap: 0.25rem; }
.site-nav a:not(.btn) {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-200);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.site-nav a:not(.btn):hover,
.site-nav a[aria-current="true"] { color: var(--white); }
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.2rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.site-nav a[aria-current="true"]::after { transform: scaleX(1); }
.nav-no { display: none; }
.nav-cta { margin-left: 0.75rem; }

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  background: transparent;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.nav-toggle span:first-child { top: 16px; }
.nav-toggle span:last-child { top: 25px; }
.nav-toggle[aria-expanded="true"] span:first-child { top: 20.5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { top: 20.5px; transform: rotate(-45deg); }

@media (max-width: 1099px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-6);
    padding: var(--space-6) var(--gutter) calc(var(--space-7) + env(safe-area-inset-bottom));
    background: var(--ink-950) url("../img/harita/topo-koyu.svg") center / cover no-repeat;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.3s var(--ease), transform 0.35s var(--ease), visibility 0s linear 0.35s;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 0.3s var(--ease), transform 0.35s var(--ease), visibility 0s;
  }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--line-dark); }
  .site-nav a:not(.btn) {
    display: flex;
    padding: 1rem 0.25rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
  }
  .site-nav a:not(.btn)::after { display: none; }
  .nav-no {
    display: inline;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-300);
    min-width: 2rem;
  }
  .nav-cta { margin: 0; width: 100%; min-height: 52px; font-size: var(--fs-md); }
  .site-nav.is-open li { animation: nav-in 0.45s var(--ease) both; }
  .site-nav.is-open li:nth-child(2) { animation-delay: 0.04s; }
  .site-nav.is-open li:nth-child(3) { animation-delay: 0.08s; }
  .site-nav.is-open li:nth-child(4) { animation-delay: 0.12s; }
  .site-nav.is-open li:nth-child(5) { animation-delay: 0.16s; }
  .site-nav.is-open li:nth-child(6) { animation-delay: 0.2s; }
  .site-nav.is-open li:nth-child(7) { animation-delay: 0.24s; }
}
@keyframes nav-in {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: none; }
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: calc(var(--header-h) + clamp(2.5rem, 1rem + 5vw, 5rem)) 0 clamp(3rem, 2rem + 4vw, 5.5rem);
}
.hero-bg {
  position: absolute;
  inset: -10% 0 0;
  z-index: -1;
  background:
    radial-gradient(60% 60% at 78% 35%, rgba(47, 127, 138, 0.18), transparent 70%),
    radial-gradient(45% 50% at 10% 90%, rgba(224, 102, 43, 0.08), transparent 70%),
    url("../img/harita/topo-koyu.svg") center / cover no-repeat;
  will-change: transform;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 213, 222, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 213, 222, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(80% 70% at 60% 40%, #000 30%, transparent 85%);
  mask-image: radial-gradient(80% 70% at 60% 40%, #000 30%, transparent 85%);
}
.hero-grid {
  display: grid;
  gap: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 var(--space-5);
  padding: 0.35rem 0.8rem 0.35rem 0.6rem;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(7, 18, 28, 0.5);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--ink-200);
}
.live-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-300);
}
.live-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent-300);
  animation: ping 2.4s var(--ease) infinite;
}
@keyframes ping {
  0% { transform: scale(0.6); opacity: 0.9; }
  80%, 100% { transform: scale(1.7); opacity: 0; }
}

.hero-title { display: flex; flex-direction: column; gap: 0.9rem; }
.hero-name {
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.03em;
}
.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(0.8125rem, 0.72rem + 0.35vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-300);
}
.hero-lead {
  max-width: 36rem;
  margin: var(--space-5) 0 var(--space-6);
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  line-height: 1.65;
  color: var(--ink-200);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: clamp(2rem, 1.5rem + 2vw, 3rem);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line-dark);
}
.hero-facts li { display: flex; flex-direction: column; gap: 0.2rem; }
.hero-facts strong {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.2rem + 1.1vw, 2.125rem);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.hero-facts li > span { font-size: var(--fs-sm); line-height: 1.4; color: var(--ink-300); }

/* Hero harita paneli */
.hero-map {
  position: relative;
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  background: var(--ink-950);
  box-shadow: var(--shadow-dark);
  overflow: hidden;
}
.map-chrome {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  height: 42px;
  padding: 0 0.9rem;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(15, 34, 49, 0.9);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-300);
}
.map-dots { display: inline-flex; gap: 6px; }
.map-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-600); }
.map-file { color: var(--ink-100); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.map-meta { margin-left: auto; white-space: nowrap; letter-spacing: 0.04em; }

.map-canvas {
  position: relative;
  aspect-ratio: 16 / 13;
  overflow: hidden;
  background: #0c1b28;
}
.map-canvas > img,
.map-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.map-canvas > img { object-fit: cover; }

.map-parcel { fill: rgba(240, 138, 85, 0.13); stroke: var(--accent-300); stroke-width: 2; }
.map-corner circle { fill: var(--ink-950); stroke: var(--accent-300); stroke-width: 2; }
.map-corner path { stroke: var(--accent-300); stroke-width: 1; opacity: 0.8; }
.map-len,
.map-klabel,
.map-station text {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  fill: #f7c9ad;
  text-anchor: middle;
  paint-order: stroke;
  stroke: var(--ink-950);
  stroke-width: 4px;
}
.map-klabel { fill: var(--white); }
.map-station text { text-anchor: start; fill: var(--ink-100); font-size: 11px; }
.map-traverse {
  fill: none;
  stroke: var(--accent-300);
  stroke-width: 1.6;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  opacity: 0.9;
}
.map-station path { fill: var(--ink-950); stroke: var(--accent-300); stroke-width: 1.6; }
.map-station circle { fill: var(--accent-300); }
.map-sight { stroke: var(--accent-300); stroke-width: 1.2; stroke-dasharray: 3 5; opacity: 0.8; }
.map-pulse { fill: none; stroke: var(--accent-300); stroke-width: 1.5; transform-box: fill-box; transform-origin: center; }
.map-scale rect { stroke: var(--ink-200); stroke-width: 1; }
.map-scale text { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-200); text-anchor: middle; }

.js .map-traverse { animation: draw 2.4s var(--ease) 0.5s forwards; }
.js .map-station { opacity: 0; animation: fade-up 0.5s var(--ease) forwards; animation-delay: calc(0.7s + var(--i) * 0.28s); }
.js .map-parcel,
.js .map-corner,
.js .map-len,
.js .map-klabel { opacity: 0; animation: fade-in 0.8s var(--ease) 2.2s forwards; }
.js .map-sight { opacity: 0; animation: fade-in 0.6s var(--ease) 2.8s forwards; }
.map-pulse { animation: pulse 2.6s ease-out 3s infinite; opacity: 0; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade-in { to { opacity: 1; } }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(3); opacity: 0; }
}

.map-north {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  justify-items: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-100);
}
.map-north svg { width: 22px; height: 30px; }

.map-legend {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  max-width: calc(100% - 24px);
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  background: rgba(7, 18, 28, 0.78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-200);
}
.map-legend li { display: inline-flex; align-items: center; gap: 0.4rem; }
@media (max-width: 559px) {
  .map-legend,
  .map-file { display: none; }
}
.lg { width: 14px; height: 10px; flex: none; }
.lg-contour { border-bottom: 1.5px solid #b08a63; border-radius: 0 0 50% 50%; height: 7px; }
.lg-parcel { border: 1px solid #5fa3c2; }
.lg-building { border: 1px solid var(--amber); background: repeating-linear-gradient(45deg, rgba(227, 176, 75, 0.45) 0 1px, transparent 1px 4px); }
.lg-station { width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--accent-300); }

.map-crosshair {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}
.map-crosshair::before,
.map-crosshair::after {
  content: "";
  position: absolute;
  background: rgba(240, 138, 85, 0.45);
}
.map-crosshair::before { left: 0; right: 0; top: var(--my, 50%); height: 1px; }
.map-crosshair::after { top: 0; bottom: 0; left: var(--mx, 50%); width: 1px; }
.map-canvas.is-tracking .map-crosshair { opacity: 1; }
@media (hover: hover) and (pointer: fine) {
  .map-canvas { cursor: crosshair; }
}

.map-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.25rem;
  padding: 0.7rem 0.95rem;
  border-top: 1px solid var(--line-dark);
  background: rgba(15, 34, 49, 0.9);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-300);
}
.map-status output { color: var(--white); font-variant-numeric: tabular-nums; }
.map-status-note { margin-left: auto; color: var(--ink-300); }

/* Hakkımda */
.about-grid {
  display: grid;
  gap: clamp(2.5rem, 1.5rem + 4vw, 5rem);
  align-items: start;
}
@media (min-width: 1024px) {
  .about-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
}
.about-copy .lead { color: var(--text); }
.about-points { display: grid; gap: 0.85rem; margin-top: var(--space-6); }
.about-points li { display: flex; gap: 0.8rem; align-items: flex-start; }
.about-points .icon { margin-top: 0.2rem; color: var(--accent-700); width: 1.15rem; height: 1.15rem; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-7);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-stats div { padding: var(--space-5) var(--space-3) var(--space-5) 0; }
.about-stats div + div { padding-left: var(--space-5); border-left: 1px solid var(--line); }
.about-stats dt { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.4; }
.about-stats dd {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  order: -1;
}
.about-stats div { display: flex; flex-direction: column; gap: 0.35rem; }

.about-visual { position: relative; }
.about-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-3);
}
.about-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.photo-credit {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1.75rem 0.9rem 0.6rem;
  background: linear-gradient(transparent, rgba(7, 18, 28, 0.7));
  font-size: 0.68rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.82);
}
.photo-credit a { color: inherit; }

.profile-card {
  position: relative;
  margin: -4.5rem var(--space-4) 0;
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}
@media (min-width: 1024px) {
  .profile-card { margin: -5.5rem -1.5rem 0 1.5rem; }
}
.profile-top { display: flex; align-items: center; gap: 0.9rem; margin-bottom: var(--space-4); }
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--line-strong);
}
.profile-name { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; line-height: 1.2; }
.profile-role { margin: 0.15rem 0 0; font-size: var(--fs-sm); color: var(--text-muted); }
.profile-meta { display: grid; gap: 0.5rem; margin-bottom: var(--space-5); font-size: var(--fs-sm); }
.profile-meta div { display: grid; grid-template-columns: 6.5rem 1fr; gap: 0.5rem; padding-top: 0.5rem; border-top: 1px dashed var(--line); }
.profile-meta dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); padding-top: 0.15rem; }
.profile-meta dd { color: var(--text); }
.btn-linkedin {
  --btn-bg: var(--linkedin);
  --btn-fg: var(--white);
  --btn-bd: var(--linkedin);
  width: 100%;
}
.btn-linkedin:hover { --btn-bg: #004182; --btn-bd: #004182; }

/* Hizmetler */
.service-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 640px) { .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .service-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
}
.service-card h3 { font-size: var(--fs-h3); }
.service-card p { margin: 0; font-size: 0.975rem; line-height: 1.6; color: var(--text-2); }
.service-list { display: grid; gap: 0.45rem; margin-top: auto; padding-top: var(--space-2); font-size: var(--fs-sm); color: var(--text-2); }
.service-list li { position: relative; padding-left: 1.1rem; line-height: 1.45; }
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border: 1.5px solid var(--accent);
  transform: rotate(45deg);
}
.service-card .link-arrow { margin-top: var(--space-2); }

.service-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding: var(--space-5);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}
.service-note p { margin: 0; max-width: 46rem; color: var(--text-2); }

/* İHA (drone) bandı */
.drone-grid {
  display: grid;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
@media (min-width: 1024px) { .drone-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); } }
.drone-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--ink-850);
}
.drone-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: saturate(0.9) contrast(1.02); }
.drone-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.drone-overlay .fp { fill: rgba(111, 183, 191, 0.08); stroke: rgba(201, 234, 238, 0.7); stroke-width: 1.5; }
.drone-overlay .flight { fill: none; stroke: var(--accent-300); stroke-width: 3; stroke-dasharray: 14 10; }
.drone-overlay .gcp rect { fill: #fff; }
.drone-overlay .gcp path { fill: var(--ink-950); }
.drone-overlay text { font-family: var(--font-mono); font-size: 24px; font-weight: 500; fill: #fff; paint-order: stroke; stroke: rgba(7, 18, 28, 0.85); stroke-width: 6px; }
.drone-media .photo-credit { background: linear-gradient(transparent, rgba(7, 18, 28, 0.85)); }
.drone-hud {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.drone-hud span {
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  background: rgba(7, 18, 28, 0.75);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-100);
}

.spec-list { display: grid; margin: var(--space-6) 0; border-top: 1px solid var(--line-dark); }
.spec-list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-dark);
}
@media (min-width: 640px) { .spec-list li { grid-template-columns: 8.5rem 1fr; gap: 1rem; } }
.spec-list span { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-300); padding-top: 0.2rem; }
.spec-list strong { font-weight: 500; color: var(--white); }

/* Çalışma süreci */
.process-grid {
  display: grid;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: start;
}
@media (min-width: 1024px) { .process-grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); } }
.process-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
@media (min-width: 1024px) { .process-media { position: sticky; top: calc(var(--header-h) + 32px); } }
.process-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
@media (min-width: 1024px) { .process-media img { aspect-ratio: 4 / 5; } }

.steps { position: relative; display: grid; gap: var(--space-5); counter-reset: step; }
.steps::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 17px;
  border-left: 2px dashed var(--line-strong);
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: var(--space-5);
  align-items: start;
}
.step-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--paper-2);
}
.step-mark svg { width: 30px; height: 30px; }
.step-body {
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.step-no { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.12em; color: var(--accent-700); }
.step h3 { margin: 0.2rem 0 0.5rem; font-size: var(--fs-h3); }
.step p { margin: 0; font-size: 0.975rem; color: var(--text-2); }

/* Deneyim zaman çizelgesi */
.timeline { position: relative; display: grid; gap: var(--space-4); }
.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  border-left: 2px dashed var(--line-strong);
}
@media (min-width: 900px) { .timeline::before { left: calc(11rem + 7px); } }
.tl-item {
  position: relative;
  display: grid;
  gap: 0.35rem var(--space-6);
  padding-left: 2.25rem;
}
@media (min-width: 900px) {
  .tl-item { grid-template-columns: 11rem 1fr; padding-left: 0; }
}
.tl-marker {
  position: absolute;
  top: 1.45rem;
  left: 0;
  width: 16px;
  height: 14px;
}
@media (min-width: 900px) { .tl-marker { left: 11rem; } }
.tl-marker path { fill: var(--paper); stroke: var(--ink-400); stroke-width: 1.8; }
.tl-item.is-current .tl-marker path { fill: var(--accent); stroke: var(--accent); }
.tl-date {
  padding-top: 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.tl-card {
  padding: var(--space-5);
}
@media (min-width: 900px) { .tl-card { margin-left: 2.25rem; } }
.tl-head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; margin-bottom: 0.25rem; }
.tl-card h3 { font-size: var(--fs-h3); }
.tl-org { margin: 0 0 0.75rem; font-weight: 600; color: var(--accent-700); font-size: 0.975rem; }
.tl-card p { font-size: 0.975rem; color: var(--text-2); margin-bottom: var(--space-4); }

.linkedin-band {
  display: grid;
  gap: var(--space-5);
  align-items: center;
  margin-top: var(--space-7);
  padding: clamp(1.5rem, 1rem + 2vw, 2.25rem);
  border-radius: var(--radius-lg);
  background: var(--ink-900) url("../img/harita/topo-koyu.svg") right center / 900px auto no-repeat;
  color: var(--white);
}
@media (min-width: 768px) { .linkedin-band { grid-template-columns: auto 1fr auto; gap: var(--space-6); } }
.linkedin-logo {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--linkedin);
  color: var(--white);
}
.linkedin-logo svg { width: 28px; height: 28px; fill: currentColor; }
.linkedin-band h3 { font-size: var(--fs-xl); margin-bottom: 0.3rem; }
.linkedin-band p { margin: 0; color: var(--ink-200); font-size: 0.975rem; }
.linkedin-url { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-300); }

/* Çalışmalar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-6);
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 42px;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-2);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.filter-btn:hover { border-color: var(--text); color: var(--text); }
.filter-btn[aria-pressed="true"] { background: var(--ink-900); border-color: var(--ink-900); color: var(--white); }
.filter-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--text-muted);
}
.filter-btn[aria-pressed="true"] .filter-count { background: rgba(255, 255, 255, 0.12); color: var(--ink-200); }

.project-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 700px) { .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .project-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.project-card { display: flex; flex-direction: column; overflow: hidden; }
.project-card[hidden] { display: none; }
.project-card.is-entering { animation: card-in 0.45s var(--ease) both; }
@keyframes card-in {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
.project-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(19, 33, 45, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 33, 45, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.project-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.project-card:hover .project-visual img { transform: scale(1.035); }
.project-flag { position: absolute; top: 12px; left: 12px; }
.project-body { display: flex; flex-direction: column; gap: 0.75rem; flex: 1; padding: var(--space-5); }
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.project-meta .cat { color: var(--accent-700); font-weight: 500; }
.project-card h3 { font-size: var(--fs-h3); }
.project-card p { margin: 0; font-size: 0.975rem; color: var(--text-2); }
.project-facts { display: grid; gap: 0.45rem; margin-top: auto; padding-top: 0.75rem; border-top: 1px dashed var(--line); font-size: var(--fs-sm); }
.project-facts div { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.5rem; }
.project-facts dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); padding-top: 0.15rem; }
.project-facts dd { color: var(--text); line-height: 1.45; }
.project-card .link-arrow { margin-top: 0.25rem; }
.project-footnote { margin-top: var(--space-6); font-size: var(--fs-sm); color: var(--text-muted); }
@media (min-width: 1100px) {
  /* "Tümü" görünümünde ilk ve son kart iki sütun kaplar: 3 sütunlu ızgarada boş hücre kalmaz */
  .project-grid:not(.is-filtered) .project-card.is-wide { grid-column: span 2; flex-direction: row; }
  .project-grid:not(.is-filtered) .project-card.is-wide .project-visual {
    flex: 1.1;
    aspect-ratio: auto;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    border-radius: var(--radius) 0 0 var(--radius);
  }
  .project-grid:not(.is-filtered) .project-card.is-wide .project-visual img { object-fit: contain; padding: var(--space-4); }
  .project-grid:not(.is-filtered) .project-card.is-wide .project-body { flex: 1; justify-content: center; padding: var(--space-6); }
  .project-grid:not(.is-filtered) .project-card.is-wide .project-facts { margin-top: var(--space-2); }
}

/* Uzmanlık ve araçlar */
.skills-grid { display: grid; gap: clamp(2rem, 1rem + 3vw, 4rem); }
@media (min-width: 1024px) { .skills-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.expertise { display: grid; gap: var(--space-5); }
.expertise-group { padding: var(--space-5); }
.expertise-group h3 { display: flex; align-items: center; gap: 0.75rem; font-size: var(--fs-h3); margin-bottom: var(--space-4); }
.expertise-group h3 .icon-box { width: 40px; height: 40px; }
.expertise-group h3 .icon-box .icon { width: 20px; height: 20px; }
.check-list { display: grid; gap: 0.55rem; }
.check-list li { position: relative; padding-left: 1.6rem; line-height: 1.5; color: var(--text-2); }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 13px;
  height: 13px;
  background:
    linear-gradient(var(--accent-700), var(--accent-700)) center / 100% 1.5px no-repeat,
    linear-gradient(var(--accent-700), var(--accent-700)) center / 1.5px 100% no-repeat;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1.5px var(--paper), 0 0 0 1.5px var(--accent-700);
  transform: scale(0.8);
}

.tools { display: grid; gap: var(--space-6); align-content: start; }
.tool-group h3 {
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.tool-group .chip { padding: 0.5rem 0.9rem; font-size: 0.9375rem; font-weight: 500; color: var(--text); }
.tool-group .chip small { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); font-weight: 400; }
.lang-list { display: grid; gap: 0.6rem; }
.lang-list li { display: grid; grid-template-columns: 7rem 1fr auto; align-items: center; gap: 0.9rem; font-size: 0.975rem; }
.lang-bar { position: relative; height: 6px; border-radius: 99px; background: var(--paper-3); overflow: hidden; }
.lang-bar span { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: var(--ink-700); }
.lang-level { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); }

/* Eğitim ve sertifikalar */
.edu-grid { display: grid; gap: var(--space-4); margin-bottom: var(--space-7); }
@media (min-width: 768px) { .edu-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.edu-card { display: flex; gap: var(--space-4); padding: var(--space-5); align-items: flex-start; }
.edu-card h3 { font-size: var(--fs-h3); margin-bottom: 0.2rem; }
.edu-card p { margin: 0; color: var(--text-2); font-size: 0.975rem; }
.edu-meta { display: block; margin-top: 0.5rem; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }

.cert-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15.5rem), 1fr));
}
.cert-card { display: flex; flex-direction: column; overflow: hidden; }
.cert-card[hidden] { display: none; }
.cert-card.is-entering { animation: card-in 0.45s var(--ease) both; }
.cert-thumb {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  cursor: zoom-in;
}
.cert-thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 0.75rem; transition: transform 0.5s var(--ease); }
.cert-thumb:hover img { transform: scale(1.04); }
.cert-zoom {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--white);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.cert-zoom .icon { width: 16px; height: 16px; }
.cert-thumb:hover .cert-zoom,
.cert-thumb:focus-visible .cert-zoom { opacity: 1; transform: none; }
@media (hover: none) { .cert-zoom { opacity: 0.9; transform: none; } }
.cert-body { display: flex; flex-direction: column; gap: 0.3rem; padding: var(--space-4) var(--space-5) var(--space-5); flex: 1; }
.cert-cat { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-700); }
.cert-card h3 { font-size: 1.0625rem; line-height: 1.3; }
.cert-issuer { margin: 0; font-size: var(--fs-sm); color: var(--text-2); }
.cert-date { margin-top: auto; padding-top: 0.5rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); }
.cert-card.is-featured { border-color: var(--accent); }
@media (min-width: 900px) {
  .cert-card.is-featured { grid-column: span 2; flex-direction: row; }
  .cert-card.is-featured .cert-thumb { flex: 1.15; border-bottom: 0; border-right: 1px solid var(--line); border-radius: var(--radius) 0 0 var(--radius); }
  .cert-card.is-featured .cert-thumb img { height: 100%; aspect-ratio: auto; }
  .cert-card.is-featured .cert-body { flex: 1; justify-content: center; padding: var(--space-5); }
  .cert-card.is-featured h3 { font-size: var(--fs-h3); }
}
.cert-featured-note { margin: 0.4rem 0 0; font-size: var(--fs-sm); color: var(--text-2); }

.other-trainings { margin-top: var(--space-7); }
.other-trainings h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.other-trainings > p { font-size: var(--fs-sm); color: var(--text-muted); }
.training-list { border-top: 1px solid var(--line); }
.training-list li {
  display: grid;
  gap: 0.15rem 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.975rem;
}
@media (min-width: 768px) { .training-list li { grid-template-columns: 1.4fr 1fr 8rem; align-items: baseline; } }
.training-list span { color: var(--text-muted); font-size: var(--fs-sm); }
.training-list time { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }
@media (min-width: 768px) { .training-list time { text-align: right; } }
.privacy-note {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-top: var(--space-5);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}
.privacy-note .icon { margin-top: 0.15rem; color: var(--teal); }

/* Lightbox */
.lightbox {
  width: min(100vw - 2rem, 1100px);
  max-width: none;
  max-height: calc(100dvh - 2rem);
  padding: 0;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--ink-950);
  color: var(--white);
  box-shadow: var(--shadow-dark);
  overflow: hidden;
}
.lightbox::backdrop { background: rgba(4, 10, 16, 0.82); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; animation: lb-in 0.3s var(--ease); }
@keyframes lb-in { from { opacity: 0; transform: translateY(10px) scale(0.98); } to { opacity: 1; transform: none; } }
.lb-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 0.8rem 0.7rem 1.2rem; border-bottom: 1px solid var(--line-dark); font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-300); }
.lb-stage { position: relative; display: grid; place-items: center; min-height: 0; padding: 1rem; background: #0c1b28; }
.lb-stage img { max-width: 100%; max-height: calc(100dvh - 13rem); width: auto; height: auto; object-fit: contain; border-radius: 4px; background: var(--white); transition: opacity 0.2s var(--ease); }
.lb-stage img.is-loading { opacity: 0.25; }
.lb-caption { padding: 0.9rem 1.2rem 1.1rem; border-top: 1px solid var(--line-dark); }
.lb-caption strong { display: block; font-family: var(--font-display); font-size: 1.0625rem; }
.lb-caption span { font-size: var(--fs-sm); color: var(--ink-300); }
.lb-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  background: rgba(7, 18, 28, 0.8);
  color: var(--white);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.lb-btn:hover { background: var(--ink-700); border-color: var(--ink-400); }
.lb-prev,
.lb-next { position: absolute; top: 50%; transform: translateY(-50%); }
.lb-prev { left: 12px; }
.lb-next { right: 12px; }

/* AutoLISP tanıtımı */
.lisp-band {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding: clamp(1.75rem, 1rem + 3vw, 3.25rem);
  border-radius: var(--radius-lg);
  background: var(--ink-900) url("../img/harita/topo-koyu.svg") center / cover no-repeat;
  color: var(--white);
}
@media (min-width: 1024px) { .lisp-band { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: var(--space-8); } }
.lisp-band h2 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); margin-bottom: var(--space-4); }
.lisp-band p { color: var(--ink-200); }
.lisp-band .btn { margin-top: var(--space-4); }
.terminal {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(7, 18, 28, 0.88);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  overflow: hidden;
}
.terminal-bar { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--line-dark); color: var(--ink-300); font-size: 0.72rem; }
.terminal-body { display: grid; gap: 0.1rem; padding: 1rem 1.1rem 1.2rem; overflow-x: auto; }
.terminal-body p { margin: 0; white-space: nowrap; color: var(--ink-200); line-height: 1.9; }
.t-prompt { color: var(--ink-400); }
.t-cmd { color: var(--accent-300); font-weight: 500; }
.t-ok { color: var(--teal-300); }
.t-caret { display: inline-block; width: 8px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--accent-300); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* SSS */
.faq-grid { display: grid; gap: clamp(2rem, 1rem + 3vw, 4rem); align-items: start; }
@media (min-width: 1024px) { .faq-grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); } }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    linear-gradient(var(--text), var(--text)) center / 10px 1.5px no-repeat,
    linear-gradient(var(--text), var(--text)) center / 1.5px 10px no-repeat;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); background-color: var(--accent-100); }
.faq-item summary:hover { color: var(--accent-700); }
.faq-answer { padding: 0 3rem 1.3rem 0; color: var(--text-2); }
.faq-side { padding: var(--space-5); }
.faq-side h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.faq-side p { color: var(--text-2); font-size: 0.975rem; }

/* İletişim */
.contact {
  background: var(--ink-900) url("../img/harita/topo-koyu.svg") center / cover no-repeat;
  color: var(--ink-100);
}
.contact-grid { display: grid; gap: clamp(2.5rem, 1.5rem + 4vw, 5rem); align-items: start; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); } }
.contact h2 { font-size: var(--fs-h2); color: var(--white); }
.contact .lead { color: var(--ink-200); margin: var(--space-4) 0 var(--space-6); }
.contact-methods { display: grid; gap: 0.75rem; }
.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(7, 18, 28, 0.55);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), transform 0.2s var(--ease);
}
a.contact-method:hover { border-color: var(--accent-300); background: rgba(7, 18, 28, 0.8); transform: translateX(3px); }
.contact-method .icon-wrap {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: var(--radius-sm);
  background: rgba(201, 213, 222, 0.08);
  color: var(--accent-300);
}
.contact-method .icon-wrap .icon { width: 20px; height: 20px; }
.contact-method small { display: block; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-300); }
.contact-method strong { font-weight: 500; font-size: 1rem; word-break: break-word; }
.contact-method .icon-end { margin-left: auto; width: 18px; height: 18px; color: var(--ink-400); }

.form-card {
  padding: clamp(1.25rem, 0.8rem + 2vw, 2.25rem);
  border-radius: var(--radius-lg);
  background: var(--paper);
  color: var(--text);
  box-shadow: var(--shadow-dark);
}
.form-card h3 { font-size: var(--fs-xl); margin-bottom: 0.3rem; }
.form-card > p { color: var(--text-muted); font-size: var(--fs-sm); margin-bottom: var(--space-5); }
.form-grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: grid; gap: 0.4rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--text); }
.field label .opt { font-weight: 400; color: var(--text-muted); }
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field select {
  appearance: none;
  padding-right: 2.5rem;
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2356656f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right 0.8rem center / 16px no-repeat;
}
.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--ink-400); }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(224, 102, 43, 0.2); }
.field [aria-invalid="true"] { border-color: #b3261e; box-shadow: 0 0 0 3px rgba(179, 38, 30, 0.12); }
.field-error { min-height: 0; font-size: 0.8rem; color: #b3261e; }
.field-error:empty { display: none; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: grid; gap: var(--space-4); margin-top: var(--space-5); }
.form-privacy { margin: 0; font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
.form-status {
  display: none;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
}
.form-status.is-visible { display: flex; }
.form-status.is-success { background: #e3f1ea; color: #1d5b3a; }
.form-status.is-info { background: #e6f0f5; color: #1e4a60; }
.form-status.is-error { background: #fbe7e5; color: #8c1d18; }
.form-status .icon { margin-top: 0.1rem; }
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

/* Alt bilgi */
.site-footer {
  background: var(--ink-950);
  color: var(--ink-300);
  font-size: var(--fs-sm);
}
.footer-top {
  display: grid;
  gap: var(--space-6);
  padding-block: clamp(3rem, 2rem + 3vw, 4.5rem);
}
@media (min-width: 768px) { .footer-top { grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); } }
.footer-brand p { margin-top: var(--space-4); max-width: 22rem; }
.footer-col h2 {
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-200);
}
.footer-col ul { display: grid; gap: 0.55rem; }
.footer-col a { color: var(--ink-300); text-decoration: none; }
.footer-col a:hover { color: var(--white); }
.social { display: flex; gap: 0.5rem; margin-top: var(--space-4); }
.social a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--ink-200);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.social a:hover { color: var(--white); border-color: var(--ink-400); background: rgba(201, 213, 222, 0.06); }
.social .icon { width: 18px; height: 18px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  justify-content: space-between;
  align-items: flex-start;
  padding-block: var(--space-5) calc(var(--space-5) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line-dark);
  font-size: 0.8rem;
}
.footer-bottom p { margin: 0; }
.credits summary { cursor: pointer; color: var(--ink-300); }
.credits summary:hover { color: var(--white); }
.credits ul { display: grid; gap: 0.4rem; margin-top: 0.75rem; max-width: 46rem; }
.credits a { color: var(--ink-200); }

/* Mobil sabit iletişim çubuğu */
.quick-contact {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 90;
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.quick-contact.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.quick-contact a {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--white);
  box-shadow: 0 12px 28px -10px rgba(7, 18, 28, 0.6);
  border: 1px solid var(--line-dark);
}
.quick-contact a.qc-wa { background: #1f8f4e; border-color: #1f8f4e; }
.quick-contact .icon { width: 22px; height: 22px; }
@media (min-width: 1024px) { .quick-contact { display: none; } }

/* Alt sayfa (yazılımlar) */
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(2.5rem, 1.5rem + 4vw, 4.5rem)) 0 clamp(3rem, 2rem + 3vw, 4.5rem);
  background: var(--ink-900);
  color: var(--white);
}
.page-hero .hero-bg { inset: 0; }
.page-hero h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 3.75rem); font-weight: 800; letter-spacing: -0.025em; max-width: 20ch; }
.page-hero .lead { color: var(--ink-200); max-width: 42rem; margin-top: var(--space-4); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-5); font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-300); }
.breadcrumb a { color: var(--ink-200); text-decoration: none; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.5rem; color: var(--ink-400); }

.tool-list { display: grid; gap: var(--space-5); }
.tool-card { display: grid; gap: var(--space-5); padding: clamp(1.25rem, 1rem + 1.5vw, 2rem); }
@media (min-width: 900px) { .tool-card { grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: var(--space-7); } }
.tool-card h2 { font-size: var(--fs-xl); margin: 0.5rem 0 0.75rem; }
.tool-card p { color: var(--text-2); }
.tool-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tool-steps { display: grid; gap: 0.6rem; margin-top: var(--space-4); counter-reset: s; }
.tool-steps li { position: relative; padding-left: 2.1rem; color: var(--text-2); font-size: 0.975rem; }
.tool-steps li::before {
  counter-increment: s;
  content: counter(s);
  position: absolute;
  left: 0;
  top: 0.05rem;
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
code, kbd {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: var(--paper-2);
  color: var(--ink-800);
}
.tool-side { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-5); border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); align-self: start; }
.tool-side dl { display: grid; gap: 0.55rem; font-size: var(--fs-sm); }
.tool-side dl div { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 0.55rem; border-bottom: 1px dashed var(--line); }
.tool-side dt { color: var(--text-muted); }
.tool-side dd { font-family: var(--font-mono); font-size: 0.8rem; text-align: right; }
.callout {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: var(--space-5);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 0.975rem;
  color: var(--text-2);
}
.callout .icon { color: var(--teal); margin-top: 0.15rem; }

/* 404 */
.notfound {
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 3rem;
}
.notfound-code { font-family: var(--font-mono); letter-spacing: 0.14em; color: var(--accent-300); }
.notfound h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 3.5rem); margin: 1rem 0; }
.notfound p { color: var(--ink-200); max-width: 34rem; margin-inline: auto; }
.notfound .hero-actions { justify-content: center; margin-top: var(--space-6); }

/* 6. Kaydırma animasyonları ve erişilebilirlik ---------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .map-pulse,
  .live-dot::after,
  .t-caret { animation: none !important; }
  .hero-bg { transform: none !important; }
}

@media print {
  .site-header, .quick-contact, .hero-map, .lightbox, .form-card, .filter-bar { display: none !important; }
  body { background: #fff; }
  .hero, .section--dark, .contact, .site-footer { background: #fff !important; color: #000 !important; }
}