:root {
    --primary: #8B5E3C;
    --secondary: #5C3B28;
    --dark: #3C2F2F;
    --light: #F5E9DC;
    --gray: #B8A898;
    --bg-color: #F3E7DA;
    --text-color: #3C2F2F;
    --card-bg: #FFFFFF;
    --header-bg: #FFF7F0;
}

.dark-mode {
    --primary: #D4A373;
    --secondary: #A9714B;
    --dark: #F3E7DA;
    --light: #3C2F2F;
    --gray: #A38E7A;
    --bg-color: #3C2F2F;
    --text-color: #F5E9DC;
    --card-bg: #5C3B28;
    --header-bg: #4E3629;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

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

header {
    background-color: var(--header-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 100;
    transition: background-color 0.3s, box-shadow 0.3s;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    color: var(--text-color);
}

.dark-mode-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 20px;
    transition: transform 0.3s, color 0.3s;
}

.dark-mode-toggle:hover {
    transform: rotate(30deg);
    color: var(--primary);
}

.nav-container {
    display: flex;
    align-items: center;
}

#hero {
    padding: 150px 0 100px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: var(--secondary);
}

#about {
    padding: 100px 0;
    background-color: var(--card-bg);
    transition: background-color 0.3s;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2rem;
    color: var(--primary);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.skill {
    background-color: var(--light);
    color: var(--dark);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.3s, color 0.3s;
}

.about-image {
    flex: 1;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#projects {
    padding: 100px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, background-color 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    margin-bottom: 10px;
    color: var(--primary);
}

.project-info p {
    color: var(--gray);
    margin-bottom: 15px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.tech {
    background-color: var(--light);
    color: var(--primary);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    transition: background-color 0.3s, color 0.3s;
}

.project-links a {
    margin-right: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

#contact {
    padding: 100px 0;
    background-color: var(--card-bg);
    transition: background-color 0.3s;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-content p {
    margin-bottom: 30px;
    color: var(--gray);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--light);
    border-radius: 50%;
    color: var(--primary);
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-links a:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-5px);
}

footer {
    background-color: var(--dark);
    color: white;
    text-align: center;
    padding: 30px 0;
    transition: background-color 0.3s;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--header-bg);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transition: background-color 0.3s;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: block;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        width: 100%;
        justify-content: space-between;
    }
}

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

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }