/* Non-Critical Styles */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header Styles */
header.hidden {
    transform: translateY(-100%);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.logo:hover {
    color: var(--primary);
    transition: color 0.3s ease;
}

/* Hero Section */
.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    color: var(--secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* Tech Stack */
.tech-stack {
    background: var(--card-bg);
    padding: 4rem 0;
    margin-top: 4rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
}

.tech-category h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
}

.tech-category ul {
    list-style: none;
    padding: 0;
}

.tech-category li {
    color: var(--secondary);
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-category li::before {
    content: '→';
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: background 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* Footer */
footer {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

footer p {
    text-align: center;
    color: var(--secondary);
    font-size: 0.9rem;
}

/* Loading & Progress Indicators */
.loading-animation.loaded {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    width: 50px;
    height: 50px;
    border: 3px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    will-change: transform;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1001;
}

.scroll-progress-bar {
    height: 100%;
    background: var(--primary);
    width: 0;
    transition: width 0.2s ease-out;
    will-change: width;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        inset: 4rem 0 0 0;
        background: var(--dark);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .mobile-menu {
        display: block;
        background: none;
        border: none;
        color: var(--white);
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0.5rem;
    }

    .service-card {
        text-align: center;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }

    header, footer, .btn {
        display: none;
    }

    .service-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}