/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 2.5rem 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: all 0.4s ease;
}

.logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--accent-blue);
}

.logo span {
    color: var(--accent-cyan);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

/* Hero Content */
.hero-wrapper {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Slika pozadine (Umjesto crne boje) */
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('https://images.unsplash.com/photo-1629909613654-28e377c37b09?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80'); /* Prekrasna moderna klinika */
    background-size: cover;
    background-position: center;
    z-index: 0;
}

/* Overlay da tekst ostane čitljiv */
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.4) 100%);
    z-index: 1;
}

.hero-section {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 5rem;
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 800px;
    margin-top: 2rem; 
}

.hero-subtitle {
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.9rem;
    color: var(--accent-blue);
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero-title {
    font-size: clamp(4rem, 8vw, 7.5rem); 
    line-height: 0.9;
    margin-bottom: 3rem;
    font-weight: 800;
    color: var(--accent-blue);
}

.hero-title .line {
    display: block;
}

.text-cyan {
    color: var(--accent-cyan);
}

.hero-desc {
    max-width: 450px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 900px) {
    .navbar { padding: 1.5rem 2rem; }
    .nav-links a:not(.btn-primary) { display: none; }
    .hero-section { padding: 0 2rem; }
    .hero-title { font-size: 3.5rem; }
    .hero-overlay { background: rgba(255,255,255,0.85); }
}