/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Ferrari-inspired color palette */
    --ferrari-red: #C00000;
    --deep-black: #1a1a1a;
    --pure-white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #666666;
    --dark-gray: #333333;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Inter', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--pure-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--pure-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ferrari-red);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--ferrari-red);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--ferrari-red);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--deep-black) 0%, var(--dark-gray) 100%);
    color: var(--pure-white);
    text-align: center;
    padding-top: 80px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--ferrari-red);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: var(--light-gray);
    max-width: 800px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--pure-white);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-black);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--ferrari-red);
}

.about-text {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: 1.8;
    color: var(--medium-gray);
    max-width: 800px;
    margin-top: var(--spacing-lg);
}

/* Projects Section */
.projects {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-card {
    background-color: var(--pure-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    border-top: 4px solid var(--ferrari-red);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(192, 0, 0, 0.15);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--deep-black);
    margin-bottom: var(--spacing-sm);
}

.project-description {
    font-size: 1rem;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--pure-white);
}

.contact-form {
    max-width: 600px;
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ferrari-red);
}

.submit-btn {
    background-color: var(--ferrari-red);
    color: var(--pure-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.submit-btn:hover {
    background-color: #a00000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(192, 0, 0, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background-color: var(--deep-black);
    color: var(--light-gray);
    text-align: center;
    padding: var(--spacing-md) 0;
}

.footer p {
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

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

.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {
    .nav-menu {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

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

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

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-menu {
        gap: var(--spacing-xs);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }
}