/* ===== General Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

/* ===== Header & Navigation ===== */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 250px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    overflow-y: auto;
    padding-top: 2rem;
}

nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 3rem;
    text-align: center;
}

nav ul {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 1.5rem;
    width: 100%;
    padding: 0 1.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 8px;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

/* ===== Main Content ===== */
main {
    margin-left: 250px;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

/* ===== Hero Section ===== */
.hero {
    padding: 5rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin: 3rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: slideDown 0.8s ease;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== About Section ===== */
#about {
    padding: 3rem 0;
    text-align: center;
    background-color: white;
    border-radius: 10px;
    margin: 2rem 0;
    padding: 3rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

#about h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

#about p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Services Section ===== */
.services-section {
    padding: 3rem 0;
    margin: 3rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

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

.card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.card p {
    color: #666;
    line-height: 1.8;
}

/* ===== Portfolio Section ===== */
.portfolio-section {
    padding: 3rem 0;
    margin: 3rem 0;
    background-color: white;
    border-radius: 10px;
    padding: 3rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* ===== Contact Section ===== */
#contact {
    padding: 3rem 2rem;
    background-color: white;
    border-radius: 10px;
    margin: 3rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
}

#contact h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

#contact > p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: #666;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.contact-info p {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
}

.contact-info a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: #764ba2;
}

/* ===== Footer ===== */
footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
    margin-left: 250px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    header {
        width: 100%;
        height: auto;
        position: relative;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    nav {
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: wrap;
    }

    nav ul {
        flex-direction: row;
        gap: 0.5rem;
        padding: 0 1rem;
    }

    nav a {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    .logo {
        margin-bottom: 1rem;
        width: 100%;
    }

    main {
        margin-left: 0;
        width: 100%;
    }

    footer {
        margin-left: 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .contact-info {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    main {
        padding: 0 1rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    nav ul {
        gap: 0.5rem;
    }

    nav a {
        font-size: 0.85rem;
        padding: 0.5rem 0.5rem;
    }
}