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

/* Critical CSS - Above the fold optimization */
html {
    scroll-behavior: smooth;
}

/* Prevent layout shift */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

body {
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    font-display: swap;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.logo {
    max-width: 120px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    font-family: "Inter", sans-serif;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 400;
    font-family: "Inter", sans-serif;
}

/* Navigation */
nav {
    background-color: #34495e;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-family: "Inter", sans-serif;
    letter-spacing: 0.025em;
}

nav a:hover {
    background-color: #2c3e50;
}

/* Sections */
section {
    padding: 4rem 0;
    margin-bottom: 2rem;
}

section:nth-child(even) {
    background-color: white;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #2c3e50;
    position: relative;
    font-weight: 600;
    font-family: "Inter", sans-serif;
    letter-spacing: -0.025em;
}

h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    margin: 1rem auto;
    border-radius: 2px;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    border-left: 4px solid #3498db;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
    font-family: "Inter", sans-serif;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    /* Performance optimization */
    contain: layout style paint;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    aspect-ratio: 4/3;
    /* Performance optimizations */
    will-change: transform;
    contain: layout style paint;
    backface-visibility: hidden;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    /* Performance optimizations */
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Promo Article */
.promo-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    line-height: 1.8;
}

.promo-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-align: justify;
    font-family: "Inter", sans-serif;
    line-height: 1.7;
}

.promo-content strong {
    color: #2c3e50;
}

/* Contact */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-3px);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.contact-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    font-family: "Inter", sans-serif;
}

.contact-card a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    font-family: "Inter", sans-serif;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        max-width: 80px;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }

    section {
        padding: 2rem 0;
    }

    h2 {
        font-size: 1.8rem;
    }

    .services-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }

    .promo-content {
        padding: 2rem;
        margin: 0 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo {
        max-width: 60px;
    }

    h1 {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }

    .service-card,
    .contact-card {
        padding: 1.5rem;
    }
}

/* Performance optimizations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* GPU acceleration for animations */
.service-card:hover,
.gallery-item:hover,
.contact-card:hover,
.logo:hover {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Critical resource hints */
@supports (font-display: swap) {
    * {
        font-display: swap;
    }
}