:root {
    --primary: #00b4d8;
    --primary-dark: #0096b8;
    --text-light: #f0f4f8;
    --glass-bg: rgba(15, 23, 42, 0.75);
    --border-glass: rgba(255, 255, 255, 0.15);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.hero {
    min-height: 100vh;
    background-image: url('../images/bakimda.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 20, 40, 0.85) 0%,
        rgba(0, 40, 80, 0.75) 50%,
        rgba(0, 20, 40, 0.85) 100%
    );
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    width: 100%;
    padding: 2rem;
    text-align: center;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 3.5rem 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    margin: 0 auto;
    max-width: 680px;
}

/* Logo Container */
.logo-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.logo {
    max-width: 260px;
    height: auto;
    filter: drop-shadow(0 8px 15px rgba(0, 0, 0, 0.3));
    transition: transform 0.4s ease;
}

.logo:hover {
    transform: scale(1.03);
}

.main-title {
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    font-weight: 100;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    color: white;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.subtitle {
    font-size: 1.25rem;
    color: #a5b4fc;
    margin-bottom: 3rem;
    font-weight: 400;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 12px 28px;
    border-radius: 50px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    width: fit-content;
}

.contact-item:hover {
    background: rgba(0, 180, 216, 0.15);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer {
    margin-top: 4rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (min-width: 640px) {
    .contact-info {
        flex-direction: row;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .glass-card {
        padding: 2.5rem 1.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

* Kart içindeki hizalama iyileştirmesi */
.glass-card {
    padding: 3rem 2.5rem;
}

/* Responsive logo boyutu */
@media (max-width: 480px) {
    .logo {
        max-width: 220px;
    }
    .glass-card {
        padding: 2.2rem 1.5rem;
    }
}