/* Header Styles */
header {
    background-color: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 0.8rem 0;
    background-color: rgba(10, 14, 23, 0.95);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    z-index: 5;
}

.logo-img {
    width: 40px;
    height: auto;
    margin-right: 10px;
    filter: drop-shadow(0 0 8px rgba(0, 212, 176, 0.5));
    transition: all 0.3s ease;
}

.logo:hover .logo-img {
    transform: rotate(45deg);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    letter-spacing: 1px;
    position: relative;
}

.logo-text span {
    color: var(--accent);
    position: relative;
}

.logo-text span::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-cyan);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.logo:hover .logo-text span::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
    letter-spacing: 0.5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-cyan);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

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

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    z-index: 5;
}