/* ─────────────────────────────────────────────
   style.css
   Tema   : Pure White Minimal — Developer Portfolio
   Fontlar: Plus Jakarta Sans (display) · JetBrains Mono (code)
   ───────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&display=swap');

/* ── Tokens ──────────────────────────────────── */
:root {
  --white   : #ffffff;
  --off     : #f7f7f5;
  --surface : #ffffff;
  --line    : #e8e8e4;
  --line-hi : #d0d0ca;

  --ink     : #0f0f0e;
  --ink-2   : #3a3a38;
  --ink-3   : #7a7a76;
  --ink-4   : #b8b8b2;

  --blue    : #2563eb;
  --blue-bg : #eff4ff;
  --blue-bd : #c7d7fd;
  --green   : #16a34a;
  --green-bg: #f0fdf4;

  --r-card  : 12px;
  --r-sm    : 7px;
  --r-pill  : 99px;
  --shadow  : 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
  --shadow-h: 0 2px 8px rgba(0,0,0,.08), 0 8px 28px rgba(0,0,0,.08);

  --font    : 'Geist', system-ui, sans-serif;
  --mono    : 'Geist', system-ui, sans-serif;

  --ease    : cubic-bezier(.4,0,.2,1);
}

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  font-family: var(--font);
  background: var(--off);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ── Page wrapper ────────────────────────────── */
.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

/* ══════════════════════════════════════════════
   HEADER — kimlik kartı (full width üstte)
   ══════════════════════════════════════════════ */
.header-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  margin-bottom: 16px;
}

/* Avatar */
.avatar {
  position: relative;
  width: 80px; height: 80px; flex-shrink: 0;
}
.avatar img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--line);
}
.avatar-dot {
  position: absolute; bottom: 3px; right: 3px;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--green);
  border: 2.5px solid var(--white);
}

/* Name block */
.header-info {}
.header-name {
  font-size: 1.4rem; font-weight: 600;
  letter-spacing: -.015em; color: var(--ink);
  line-height: 1.2; margin-bottom: 3px;
}
.header-role {
  font-size: .78rem; font-weight: 500;
  color: var(--blue); margin-bottom: 10px;
}
.header-meta {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.header-meta span {
  display: flex; align-items: center; gap: 5px;
  font-size: .78rem; color: var(--ink-3);
}
.header-meta svg { flex-shrink: 0; }

/* Actions */
.header-actions {
  display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
}
.badge-available {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--green-bg); border: 1px solid #bbf7d0;
  border-radius: var(--r-pill); padding: 4px 10px;
  font-size: .7rem; font-weight: 600; color: var(--green);
}
.badge-available::before {
  content: ''; width: 6px; height: 6px;
  border-radius: 50%; background: var(--green);
  animation: blink 2s infinite;
}
.btn-contact {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--ink); color: #fff;
  border: none; border-radius: var(--r-sm);
  padding: 9px 18px; font-size: .82rem; font-weight: 600;
  transition: background .18s var(--ease), transform .18s var(--ease);
}
.btn-contact:hover { background: var(--blue); transform: translateY(-1px); }

.social-row { display: flex; gap: 6px; }
.social-btn {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: var(--r-sm);
  background: transparent; color: var(--ink-3);
  transition: all .18s var(--ease);
}
.social-btn:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }

/* ══════════════════════════════════════════════
   STATS ROW — 4 küçük sayı kartı
   ══════════════════════════════════════════════ */
.stats-row {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 12px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 20px 18px;
  text-align: center;
  transition: box-shadow .2s, transform .2s;
}
.stat-card:hover { box-shadow: var(--shadow-h); transform: translateY(-2px); }
.stat-num {
  font-size: 1.55rem; font-weight: 600;
  color: var(--ink); line-height: 1; margin-bottom: 4px;
}
.stat-lbl {
  font-size: .68rem; font-weight: 600; color: var(--ink-4);
  text-transform: uppercase; letter-spacing: .1em;
}

/* ══════════════════════════════════════════════
   MAIN GRID — bento-style kart ızgarası
   ══════════════════════════════════════════════ */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  gap: 12px;
}

/* Her kart için temel stiller */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 28px;
  transition: box-shadow .2s var(--ease), transform .2s var(--ease);
}
.card:hover { box-shadow: var(--shadow-h); transform: translateY(-2px); }

/* Full width kart */
.card--full { grid-column: 1 / -1; }

/* Kart başlık */
.card-label {
  font-size: .66rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--ink-4); margin-bottom: 14px;
}
.card-title {
  font-size: 1.05rem; font-weight: 700;
  color: var(--ink); margin-bottom: 14px;
  letter-spacing: -.01em;
}

/* ── Bio kartı ───────────────────────────────── */
.bio-text {
  font-size: .92rem; color: var(--ink-2);
  line-height: 1.75; max-width: 520px;
}

/* ── Stack kartı ─────────────────────────────── */
.stack-grid {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.stack-tag {
  font-size: .74rem; font-weight: 500;
  padding: 4px 10px; border-radius: var(--r-pill);
  background: var(--off); border: 1px solid var(--line);
  color: var(--ink-2); transition: all .15s;
}
.stack-tag:hover { background: var(--blue-bg); border-color: var(--blue-bd); color: var(--blue); }

/* ── Projeler kartı (full width) ─────────────── */
.projects-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.project-row {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 16px 18px; gap: 8px;
  transition: all .2s var(--ease); cursor: pointer;
}
.project-row:hover {
  border-color: var(--blue-bd);
  background: var(--blue-bg);
}
.project-top {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
}
.project-name {
  font-size: .9rem; font-weight: 700; color: var(--ink);
  letter-spacing: -.01em;
}
.project-year {
  font-size: .7rem; color: var(--ink-4);
  flex-shrink: 0; margin-top: 2px;
}
.project-desc { font-size: .8rem; color: var(--ink-3); line-height: 1.55; }
.project-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.project-tag {
  font-size: .68rem; font-weight: 500;
  padding: 2px 7px; border-radius: var(--r-pill);
  background: var(--white); border: 1px solid var(--line); color: var(--ink-3);
}
.project-row:hover .project-tag { background: var(--white); }

/* ── Deneyim kartı ───────────────────────────── */
.exp-list { display: flex; flex-direction: column; gap: 0; }
.exp-item {
  display: grid; grid-template-columns: 1fr auto;
  gap: 6px 16px; padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.exp-item:first-child { padding-top: 0; }
.exp-item:last-child  { border-bottom: none; padding-bottom: 0; }
.exp-company { font-size: .85rem; font-weight: 700; color: var(--ink); }
.exp-role    { font-size: .78rem; color: var(--ink-3); margin-top: 1px; }
.exp-desc    { font-size: .77rem; color: var(--ink-4); line-height: 1.55; margin-top: 5px; grid-column: 1/-1; }
.exp-period  {
  font-size: .72rem; color: var(--ink-4);
  white-space: nowrap; align-self: start; padding-top: 3px;
}

/* ── İletişim kartı ──────────────────────────── */
.contact-card {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.contact-card .card-label { color: rgba(255,255,255,.35); }
.contact-card .card-title { color: #fff; font-size: 1.2rem; }
.contact-card p { font-size: .84rem; color: rgba(255,255,255,.5); margin-bottom: 20px; line-height: 1.65; }
.contact-mail {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; color: var(--ink);
  border: none; border-radius: var(--r-sm);
  padding: 10px 18px; font-size: .82rem; font-weight: 700;
  transition: all .18s;
}
.contact-mail:hover { background: var(--blue); color: #fff; transform: translateY(-1px); }
.contact-card:hover { transform: translateY(-2px); }

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
footer {
  text-align: center; margin-top: 48px;
  font-size: .75rem; color: var(--ink-4);
}

/* ══════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════ */
@keyframes blink {
  0%,100% { opacity: 1; } 50% { opacity: .3; }
}
@keyframes up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card, .header-card, .stat-card {
  animation: up .45s var(--ease) both;
}
.stat-card:nth-child(1) { animation-delay: .04s; }
.stat-card:nth-child(2) { animation-delay: .08s; }
.stat-card:nth-child(3) { animation-delay: .12s; }
.stat-card:nth-child(4) { animation-delay: .16s; }

/* ══════════════════════════════════════════════
   DIL DEĞİŞTİRİCİ
   ══════════════════════════════════════════════ */
.header-top-row {
  display: flex; align-items: center; gap: 8px;
}
.lang-toggle {
  display: inline-flex; align-items: center; gap: 5px;
  background: transparent; border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 5px 10px;
  font-size: .72rem; font-weight: 600; color: var(--ink-3);
  cursor: pointer; transition: all .18s var(--ease);
}
.lang-toggle:hover {
  border-color: var(--blue); color: var(--blue);
}
/* geçiş animasyonu */
[data-tr], [data-en] {
  transition: opacity .15s var(--ease);
}
.lang-fade {
  opacity: 0 !important;
}

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 720px) {
  .header-card {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }
  .header-actions {
    grid-column: 1 / -1; flex-direction: row;
    align-items: center; flex-wrap: wrap;
  }
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .grid { grid-template-columns: 1fr; }
  .card--full { grid-column: 1; }
  .projects-list { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .page { padding: 24px 16px 64px; }
  .header-card { padding: 24px 20px; }
}