:root {
  --bg: #0a0a0a;
  --text: #eeeeee;
  --accent: #e30613;
  --card: #1a1a1a;
}

[data-theme="light"] {
  --bg: #f8f8f8;
  --text: #111111;
  --card: #ffffff;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: all 0.5s ease;
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(15px);
  z-index: 1000;
  padding: 1.3rem 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(227, 6, 19, 0.25);
}

[data-theme="light"] header { background: rgba(248, 248, 248, 0.97); }

.logo {
  font-size: 2.7rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: white;
  text-shadow: 0 0 30px var(--accent);
}

[data-theme="light"] .logo { color: #000; }

nav a {
  color: white;
  text-decoration: none;
  margin: 0 20px;
  font-weight: 500;
  font-size: 1.1rem;
  position: relative;
}

[data-theme="light"] nav a { color: #111; }

nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: width 0.4s ease;
}

nav a:hover::after { width: 100%; }

.header-right {
  display: flex;
  align-items: center;
  gap: 25px;
}

.theme-toggle, .cart {
  background: none;
  border: none;
  font-size: 2.1rem;
  cursor: pointer;
  transition: 0.3s;
}

[data-theme="light"] .theme-toggle,
[data-theme="light"] .cart { color: #111; }

.cart { position: relative; cursor: pointer; }

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--accent);
  color: white;
  font-size: 0.85rem;
  font-weight: bold;
  min-width: 23px;
  height: 23px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* HERO */
.contact-hero {
  height: 60vh;
  background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.8)), 
              url('Fotolar/iletisim-hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.hero-content h1 {
  font-size: 4.5rem;
  margin-bottom: 15px;
}

.hero-content p {
  font-size: 1.8rem;
  opacity: 0.9;
}

/* ANA İÇERİK */
.contact-section {
  padding: 100px 6%;
  background: var(--bg);
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

/* SOL TARAF - İLETİŞİM BİLGİLERİ */
.contact-info h2 {
  color: var(--accent);
  margin-bottom: 30px;
}

.info-box {
  background: var(--card);
  padding: 25px;
  border-radius: 20px;
  margin-bottom: 25px;
}

/* SAĞ TARAF - SİTE HARİTASI */
.sitemap-box h2 {
  color: var(--accent);
  margin-bottom: 25px;
}

.sitemap {
  background: var(--card);
  padding: 35px;
  border-radius: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.sitemap a {
  display: block;
  padding: 10px 0;
  color: var(--text);
  text-decoration: none;
  transition: 0.3s;
}

.sitemap a:hover {
  color: var(--accent);
  padding-left: 10px;
}

/* MESAJ FORMU */
.message-section {
  padding: 100px 6%;
  background: var(--card);
  text-align: center;
}

.contact-form {
  max-width: 700px;
  margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px;
  margin-bottom: 20px;
  background: var(--bg);
  border: none;
  border-radius: 12px;
  color: var(--text);
  font-size: 1.05rem;
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.submit-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 16px 60px;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: 0.4s;
}

.submit-btn:hover {
  background: #c0040f;
  transform: scale(1.05);
}

/* SOSYAL MEDYA BAR (YENİ EKLEME) */
.footer-social-bar {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px 6%;
  background: #000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.follow-text {
  color: var(--accent);
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.social-icons {
  display: flex;
  gap: 10px;
}

/* Yuvarlak İkon Butonları */
.icon-btn {
  background-color: #1a1a1a;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
  transition: 0.3s;
  border: 1px solid rgba(255,255,255,0.1);
}

.icon-btn:hover {
  background-color: var(--accent);
  transform: translateY(-3px);
}

[data-theme="light"] .icon-btn {
  background-color: #eee;
  color: #111;
  border-color: #ddd;
}

/* Yukarı Butonu */
.up-btn {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 65px;
  height: 65px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 2.5rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 35px rgba(227,6,19,0.7);
  z-index: 999;
}

.up-btn:hover { transform: scale(1.15); }

footer {
  background: #000;
  color: #777;
  text-align: center;
  padding: 60px 20px;
}

@media (max-width: 992px) {
  .container { grid-template-columns: 1fr; gap: 60px; }
  .footer-social-bar { justify-content: center; } /* Mobilde ortalar */
}

/* MÜZİK ÇALAR */
.music-player {
  position: fixed;
  bottom: 30px;
  left: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
}

.music-btn {
  width: 65px;
  height: 65px;
  background: #e30613;
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 2rem;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(227,6,19,0.6);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-btn:hover {
  transform: scale(1.15);
}

.music-btn.playing {
  background: #00c853;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,150,83,0.7); }
  70% { box-shadow: 0 0 0 14px rgba(0,150,83,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,150,83,0); }
}

.volume-slider {
  width: 100px;
  accent-color: #e30613;
  cursor: pointer;
}