/* === GOOGLE FONT === */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

/* === GENEL === */
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
  color: #222;
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  transition: all 0.3s ease;
}

h1, h2, h3 {
  margin-bottom: 0.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* === NAVBAR === */
nav {
  background: rgba(191, 22, 36, 0.85);
  backdrop-filter: blur(12px);
  padding: 1rem 2rem;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid rgba(255,255,255,0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav h1 {
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

nav h1 img {
  height: 42px;
  width: 42px;
}

.nav-links a {
  color: white;
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  margin-left: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  background: linear-gradient(135deg, #ff4655, #bf1624);
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.nav-links a:hover {
  background: white;
  color: #bf1624;
  transform: scale(1.07);
}

/* === HERO === */
header {
  background: linear-gradient(135deg, #4e1a1e, #bf1624);
  color: white;
  text-align: center;
  padding: 6rem 1.5rem;
  border-bottom-left-radius: 60px;
  border-bottom-right-radius: 60px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
  position: relative;
  overflow: hidden;
}

header::after {
  content: "";
  position: absolute;
  width: 350px;
  height: 350px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  top: -80px;
  right: -80px;
  filter: blur(80px);
}

header h1 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

header p {
  margin: 1rem auto;
  max-width: 740px;
  font-size: 1.1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #fff, #f4f4f4);
  color: #bf1624;
  padding: 1rem 2.2rem;
  border-radius: 50px;
  font-weight: 700;
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 1rem;
  box-shadow: 0 8px 16px rgba(0,0,0,0.25);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: scale(1.08) translateY(-4px);
  background: #ffe6e6;
}

/* === CONTAINER & KARTLAR === */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 3rem 1rem;
}

.content-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  margin-bottom: 2.5rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.content-card::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: rgba(191, 22, 36, 0.15);
  border-radius: 50%;
  filter: blur(60px);
}

.content-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 28px rgba(0,0,0,0.25);
}

.content-card h2 {
  color: #bf1624;
  margin-bottom: 1.2rem;
  font-size: 1.6rem;
  border-bottom: 3px solid #bf1624;
  display: inline-block;
  padding-bottom: 0.3rem;
}

ul {
  padding-left: 1.5rem;
}

ul li {
  margin-bottom: 0.7rem;
  font-size: 1rem;
}

/* === FOOTER === */
footer {
  background: #111827;
  color: #bbb;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  box-shadow: 0 -6px 20px rgba(0,0,0,0.25);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  nav {
    flex-direction: column;
    text-align: center;
  }
  .nav-links {
    margin-top: 12px;
  }
}

@media (max-width: 600px) {
  header h1 {
    font-size: 1.9rem;
  }
  header p {
    font-size: 1rem;
  }
  .btn-primary {
    padding: 0.85rem 1.6rem;
    font-size: 0.9rem;
  }
}