/* ============================================================
   TASARIM DEĞİŞKENLERİ
   EDIT: Renk değiştirmek istersen SADECE bu bloktaki hex
   kodlarını değiştir.
   ============================================================ */
:root {
  --void:     #060506;   /* main background — stays pure black */
  --void-2:   #0f0d10;   /* panel background, slightly lifted */
  --bone:     #EDEAF0;   /* main text — near-white with a cold tint */
  --bone-dim: #8b8790;   /* secondary text */
  --oxblood:  #FF2A4D;   /* accent — neon crimson, glows on headings/hovers */
  --tape:     #39FF88;   /* second accent — toxic neon green, used on labels/stickers */
  --line:     rgba(237,234,240,0.12); /* thin hairlines */
  --glow-red:   0 0 6px rgba(255,42,77,0.65), 0 0 22px rgba(255,42,77,0.35);
  --glow-green: 0 0 6px rgba(57,255,136,0.6), 0 0 20px rgba(57,255,136,0.3);

  --font-display: 'Playfair Display', serif;
  --font-gothic: 'UnifrakturCook', cursive; /* sadece sticker/mühürlerde kullan, ana metinde asla */
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: var(--bone);
  font-family: var(--font-body);
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

/* ============================================================
   ATMOSFER KATMANI — sabit, hareketsiz doku + vinyet.
   EDIT: Daha önce burada video vardı, kaldırıldı. İstersen
   ileride tekrar bir görsel eklemek istersen bu div'in
   içine bir <img> koyabilirsin.
   ============================================================ */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 20% 15%, rgba(255,42,77,0.08) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 80%, rgba(57,255,136,0.05) 0%, transparent 40%),
    radial-gradient(ellipse at center, transparent 30%, var(--void) 92%);
}

header, section, footer {
  position: relative;
  z-index: 1;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--tape);
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--bone);
  text-shadow: var(--glow-green);
}

/* ============================================================
   STICKER / MÜHÜR ÖĞELERİ
   Gotik hissi güçlendiren, hafif eğik duran rozet öğeleri.
   ============================================================ */
.sticker {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--tape);
  color: var(--tape);
  padding: 0.3em 0.6em;
  background: rgba(6,5,6,0.7);
  transform: rotate(-6deg);
  text-shadow: var(--glow-green);
  box-shadow: 0 0 10px rgba(57,255,136,0.15);
}

.sticker-round {
  border-radius: 50%;
  width: 3.6rem;
  height: 3.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--tape);
  transform: rotate(8deg);
  right: -0.5rem;
  bottom: -0.5rem;
  top: auto;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 8vh 6vw;
  gap: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(2.5rem, 8vw, 6.2rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  max-width: 18ch;
  text-shadow: var(--glow-red);
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.3vw, 1.1rem);
  color: var(--bone-dim);
  letter-spacing: 0.02em;
}

.hero-scroll {
  margin-top: 2rem;
  background: none;
  border: 1px solid var(--line);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  padding: 0.8em 1.4em;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.hero-scroll:hover {
  border-color: var(--oxblood);
  background: rgba(110,22,32,0.1);
}

/* ============================================================
   WORK / CASE GRID
   ============================================================ */
.work {
  padding: 12vh 6vw;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.case-card {
  background: var(--void);
  border: none;
  text-align: left;
  padding: 2.4rem 2rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 200px;
  justify-content: flex-end;
  position: relative;
  color: var(--bone);
  transition: background 0.3s ease;
  font-family: inherit;
}

.case-card:hover {
  background: var(--void-2);
}

.case-card:hover .case-name {
  color: var(--oxblood);
  text-shadow: var(--glow-red);
}

.case-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--tape);
  letter-spacing: 0.1em;
  text-shadow: var(--glow-green);
}

.case-name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.2rem, 2.1vw, 1.7rem);
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--bone-dim);
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .case-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 12vh 6vw;
  border-top: 1px solid var(--line);
}

.about-body {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.about-photo-wrap {
  position: relative;
  flex-shrink: 0;
}

.about-photo {
  width: 220px;
  height: 280px;
  object-fit: cover;
  filter: grayscale(0.5) contrast(1.05);
  border: 1px solid var(--line);
}

.about-text {
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  line-height: 1.65;
  max-width: 55ch;
  color: var(--bone-dim);
  flex: 1;
  min-width: 260px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 12vh 6vw;
  border-top: 1px solid var(--line);
}

.contact-line {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1.15;
  text-shadow: var(--glow-red);
}

.contact-line-dim {
  color: var(--bone-dim);
  margin-bottom: 2rem;
}

.contact-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2em;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.contact-mail:hover {
  color: var(--oxblood);
  border-color: var(--oxblood);
  text-shadow: var(--glow-red);
}

.contact-linkedin {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.6vw, 1.05rem);
  color: var(--bone-dim);
  text-decoration: none;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease, text-shadow 0.25s ease;
}
.contact-linkedin:hover {
  color: var(--tape);
  border-color: var(--tape);
  text-shadow: var(--glow-green);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  display: flex;
  justify-content: space-between;
  padding: 3rem 6vw;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--bone-dim);
  border-top: 1px solid var(--line);
}
.footer a { color: var(--bone-dim); text-decoration: none; }
.footer a:hover { color: var(--oxblood); }

/* ============================================================
   MODAL — case study popup
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(11,10,12,0.94);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vh 4vw;
}

.modal.open { display: flex; }

.modal-inner {
  background: var(--void-2);
  border: 1px solid var(--line);
  max-width: 820px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 3rem;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: none;
  border: 1px solid var(--line);
  color: var(--bone);
  width: 2.2rem;
  height: 2.2rem;
  cursor: pointer;
  font-family: var(--font-mono);
}
.modal-close:hover { border-color: var(--oxblood); color: var(--oxblood); }

.modal-num {
  font-family: var(--font-mono);
  color: var(--tape);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.modal-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  margin: 0.6rem 0 0.4rem;
  text-shadow: var(--glow-red);
}

.modal-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--bone-dim);
  margin-bottom: 1.6rem;
}

.modal-videos {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.modal-videos iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
}

.modal-desc {
  color: var(--bone-dim);
  line-height: 1.65;
  font-size: 1rem;
  max-width: 68ch;
}

@media (max-width: 600px) {
  .modal-inner { padding: 1.6rem; }
  .about-body { flex-direction: column; }
}