:root {
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-primary: #2E7D32;
    --color-secondary: #03dac6;
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --container-width: 120rem;
    --spacing-small: 1.6rem;
    --spacing-medium: 3.2rem;
    --spacing-large: 6.4rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    font-size: 1.6rem;
    line-height: 1.6;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-small);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 2rem var(--spacing-small);
}

.logo {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-medium);
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background-image: linear-gradient(rgba(18, 18, 18, 0.7), rgba(18, 18, 18, 0.7)),
                      url('https://images.unsplash.com/photo-1518770660439-4636190af475');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-small);
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: 5.6rem;
    font-weight: 700;
    margin-bottom: var(--spacing-small);
    line-height: 1.2;
}

.hero-content p {
    font-size: 2.4rem;
    color: var(--color-text-secondary);
}

/* About Section */
.about {
    padding: var(--spacing-large) 0;
    background-color: var(--color-surface);
}

.about h2 {
    font-size: 4rem;
    margin-bottom: var(--spacing-medium);
    text-align: center;
}

.about-content {
    display: flex;
    gap: var(--spacing-medium);
    align-items: center;
}

.about-image {
    flex: 0 0 40%;
}

.about-image img {
    border-radius: 8px;
    object-fit: cover;
}

.about-text h3 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.about-text h4 {
    font-size: 2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-small);
}

/* Services Section */
.services {
    padding: var(--spacing-large) 0;
}

.services h2 {
    font-size: 4rem;
    margin-bottom: var(--spacing-medium);
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
    gap: var(--spacing-medium);
}

.service-card {
    background-color: var(--color-surface);
    padding: var(--spacing-medium);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    font-size: 2.4rem;
    margin-bottom: var(--spacing-small);
    color: var(--color-primary);
}

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-large) 0;
    background-color: var(--color-background);
}

.portfolio h2 {
    font-size: 4rem;
    margin-bottom: var(--spacing-medium);
    text-align: center;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    gap: var(--spacing-medium);
}

.portfolio-item {
    position: relative;
    border-radius: 8px;
    background-color: var(--color-surface);
    padding: var(--spacing-medium);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-content {
    text-align: left;
}

.portfolio-content h3 {
    font-size: 2.4rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.portfolio-content p {
    color: var(--color-text-secondary);
}
.portfolio-content a:hover {
    text-decoration: underline;
    opacity: 0.9;
}

.portfolio-content a {
    display: inline-block;
    transition: opacity 0.3s ease;
}

/* Contact Section */
.contact {
    padding: var(--spacing-large) 0;
    background-color: var(--color-surface);
}

.contact h2 {
    font-size: 4rem;
    margin-bottom: var(--spacing-medium);
    text-align: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
    gap: var(--spacing-medium);
    text-align: center;
}

.contact-item h3 {
    font-size: 2.4rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-small);
}

/* Footer */
footer {
    padding: var(--spacing-medium) 0;
    text-align: center;
    color: var(--color-text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 4rem;
    }

    .hero-content p {
        font-size: 2rem;
    }

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        max-width: 30rem;
        margin: 0 auto;
    }

    .nav-links {
        gap: var(--spacing-medium);
        padding: var(--spacing-small);
        justify-content: center;
        flex-wrap: wrap;
    }

    nav {
        padding: 1.5rem var(--spacing-small);
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-small);
    }

    .logo {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 3.2rem;
    }

    .hero-content p {
        font-size: 1.8rem;
    }

    .about h2,
    .services h2,
    .contact h2 {
        font-size: 3.2rem;
    }
}