/* ============================================================
   Muhammed Ali Karataş — Portfolyo
   Stil: Dark Editorial (koyu çelik zemin + tek amber vurgu + mono etiketler)
   Bağımlılık yok; tüm değerler token olarak aşağıda.
   ============================================================ */

:root {
  /* zemin & yüzeyler — beyaz tema */
  --bg: #ffffff;            /* beyaz zemin */
  --bg-raised: #f7f6f3;     /* sıcak kart yüzeyi */
  --hairline: rgba(26, 22, 19, .12);

  /* metin */
  --ink: #1a1613;           /* başlık (sıcak siyah) */
  --body: #55514b;          /* gövde */
  --muted: #8a847b;

  /* vurgu — tek renk (beyazda okunur koyu amber) */
  --accent: #b4530a;        /* amber-700 */
  --accent-dim: rgba(180, 83, 10, .10);
  --on-accent: #ffffff;     /* amber üstü metin */

  /* tipografi */
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  /* ölçek */
  --radius: 10px;
  --pad: clamp(1.25rem, 3vw, 2rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--on-accent); }

a { color: inherit; }
img { max-width: 100%; display: block; }

.mono { font-family: var(--mono); font-size: .8rem; }

/* ---------- yerleşim: sol sabit / sağ akan ---------- */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(300px, 5fr) 7fr;
  gap: clamp(2rem, 6vw, 5.5rem);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(3rem, 8vh, 6rem) 0 3rem;
}

.content { padding: clamp(3rem, 8vh, 6rem) 0 4rem; }

/* ---------- sol sütun ---------- */
.avatar {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1.4rem;
  border: 1px solid var(--hairline);
}
.avatar .shot { width: 100%; height: 100%; border: 0; border-radius: 0; }
.avatar .shot.missing { min-height: 100%; }
.avatar .shot.missing::after { font-size: .55rem; padding: .4rem; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.name {
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--ink);
  line-height: 1.1;
}
.name a { text-decoration: none; }
.name a:hover { color: var(--accent); }

.role {
  margin-top: .9rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}

.tagline {
  margin-top: 1rem;
  max-width: 34ch;
  font-size: .95rem;
}

.side-nav { margin-top: 3.5rem; display: flex; flex-direction: column; gap: .95rem; }

.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  font-size: .78rem;
  font-family: var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s;
}
.nav-item .n { font-size: .7rem; }
.nav-item .line {
  width: 28px; height: 1px;
  background: var(--muted);
  transition: width .25s, background .25s;
}
.nav-item:hover, .nav-item.is-active { color: var(--ink); }
.nav-item:hover .line, .nav-item.is-active .line { width: 56px; background: var(--accent); }

.side-foot { display: flex; align-items: center; gap: 1.5rem; }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  overflow: hidden;
}
.lang-btn {
  appearance: none; border: 0; background: transparent;
  color: var(--muted);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .08em;
  padding: .4rem .85rem;
  cursor: pointer;
  transition: color .2s, background .2s;
}
.lang-btn.is-active { background: var(--accent-dim); color: var(--accent); }
.lang-btn:not(.is-active):hover { color: var(--ink); }

.socials { display: flex; gap: 1rem; }
.socials a { color: var(--muted); transition: color .2s, transform .2s; }
.socials a:hover { color: var(--accent); transform: translateY(-2px); }

/* ---------- bölümler ---------- */
.section { padding: 3.5rem 0; border-top: 1px solid var(--hairline); }
.section:first-child { border-top: 0; padding-top: 0; }

.section-head {
  display: flex; align-items: baseline; gap: .8rem;
  font-size: .8rem;
  font-family: var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1.6rem;
}
.section-head .n { color: var(--accent); }

.lede { font-size: 1.1rem; color: var(--ink); font-weight: 450; }
.section p + p { margin-top: 1rem; }

/* ---------- istatistik şeridi ---------- */
.stats {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--bg-raised); padding: 1.1rem 1.2rem; }
.stat-value {
  font-weight: 700; font-size: 1.6rem; letter-spacing: -.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: .78rem; color: var(--muted); margin-top: .2rem; line-height: 1.4; }

/* ---------- projeler / vakalar ---------- */
.project { margin-top: 3rem; }
.project.featured {
  background: var(--bg-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--pad);
}

.case-index {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: .45rem;
}

/* vaka künyesi: Rol · Partner · Durum · Sektör */
.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .9rem 1.4rem;
  margin: 1.1rem 0 1.2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.case-meta dt {
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.case-meta dd {
  margin: .25rem 0 0;
  color: var(--ink);
  font-size: .88rem;
  font-weight: 500;
}

.project-title {
  display: flex; flex-wrap: wrap; align-items: center; gap: .8rem;
  font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em;
  color: var(--ink);
  margin-bottom: .8rem;
}

.app-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  border: 1px solid var(--hairline);
}

.badges { display: inline-flex; gap: .5rem; flex-wrap: wrap; }
.badge {
  font-family: var(--mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .04em;
  padding: .25rem .65rem;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  text-decoration: none;
  color: var(--body);
  transition: border-color .2s, color .2s;
}
.badge.live { color: var(--accent); border-color: rgba(180, 83, 10, .35); }
a.badge:hover { border-color: var(--accent); color: var(--accent); }
.badge.soon { color: var(--muted); border-style: dashed; }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.1rem; }
.chips li {
  font-family: var(--mono); font-size: .74rem;
  padding: .3rem .7rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
}
.chips.small li { font-size: .68rem; padding: .22rem .6rem; }

/* doldurulacak taslak alanlar — içerik onaylanınca .fill kaldırılacak */
.fill {
  background: transparent;
  color: var(--muted);
  border: 1px dashed rgba(255, 180, 84, .5);
}
span.fill { border-radius: 4px; padding: 0 .35rem; }

/* ---------- ekran görüntüleri ---------- */
.shots { margin-top: 1.4rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.shots .wide { grid-column: 1 / -1; }

.shot {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--bg-raised);
}
.shot img { width: 100%; height: 100%; object-fit: cover; }

/* görsel henüz yoksa: etiketli placeholder kutusu */
.shot.missing { min-height: 200px; display: flex; align-items: center; justify-content: center; }
.shot.missing img { display: none; }
.shot.missing::after {
  content: attr(data-ph);
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
  padding: 1rem;
  text-align: center;
  line-height: 1.6;
}
.shot.missing {
  background:
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(148,163,184,.04) 10px 20px),
    var(--bg-raised);
}

/* telefon çerçeveleri */
.phones {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .9rem;
}
.phones.three { grid-template-columns: repeat(3, 1fr); }
.phone {
  border: 1px solid var(--hairline);
  border-radius: 22px;
  padding: 8px;
  background: var(--bg-raised);
}
.phone .shot { border-radius: 15px; aspect-ratio: 9 / 19; border: 0; }
.phone .shot.missing { min-height: 0; }

/* ---------- deneyim kartları ---------- */
.xp-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.4rem var(--pad);
  background: var(--bg-raised);
}
.xp-card + .xp-card { margin-top: 1rem; }

.xp-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; flex-wrap: wrap;
}
.xp-org { font-weight: 700; color: var(--ink); font-size: 1.1rem; letter-spacing: -.01em; }
.xp-dates { color: var(--muted); }
.xp-role { margin-top: .2rem; color: var(--accent); font-size: .92rem; font-weight: 500; }

.xp-list { margin: .9rem 0 0 1.1rem; display: grid; gap: .45rem; font-size: .95rem; }
.xp-list li::marker { color: var(--accent); }

/* ---------- yetkinlikler ---------- */
.skills.grid-2 { gap: 1rem; }
.skill-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.4rem;
  background: var(--bg-raised);
}
.skill-card h5 {
  font-size: .8rem; font-family: var(--mono);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink);
}
.skill-card .chips { margin-top: 1rem; }

/* ---------- iletişim ---------- */
.contact-big {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; letter-spacing: -.03em;
  color: var(--ink);
  margin-bottom: .8rem;
}
.contact-actions { margin-top: 1.6rem; display: flex; gap: .8rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600; font-size: .92rem;
  padding: .75rem 1.5rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  transition: transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(180, 83, 10, .28); }
.btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(180, 83, 10, .4);
}

.footer { padding: 2rem 0 1rem; border-top: 1px solid var(--hairline); color: var(--muted); }

/* ---------- giriş animasyonu ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .layout { display: block; }
  .sidebar {
    position: static; height: auto;
    padding-bottom: 0;
    gap: 2rem;
  }
  .side-nav { display: none; }
  .side-foot { margin-top: 2rem; }
  .content { padding-top: 3rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .phones { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .grid-2 { grid-template-columns: 1fr; }
  .skills.grid-2 { grid-template-columns: 1fr; }
}