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

:root {
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent-red: #ff3333;
    --accent-red-hover: #ff5555;
    --border-color: #333333;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-red);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 51, 51, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 5rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-red);
}

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

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-red);
}

.skill-category h3 {
    color: var(--accent-red);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    transform: scale(1.05);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-red);
    box-shadow: 0 20px 40px rgba(255, 51, 51, 0.1);
}

.project-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.project-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-red);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--bg-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.project-links {
    padding: 1.5rem 2rem;
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--accent-red);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--accent-red-hover);
}

/* Experience Section */
.experience-item {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.experience-item:hover {
    border-color: var(--accent-red);
    transform: translateX(10px);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-red);
}

.experience-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 3rem 0;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

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

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Hamburger menu styles */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 1100;
}
.hamburger span {
    height: 4px;
    width: 100%;
    background: var(--accent-red);
    margin: 5px 0;
    border-radius: 2px;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        width: 100%;
    }
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 60px;
        right: -100vw;
        width: 70vw;
        max-width: 300px;
        background: var(--bg-secondary);
        height: 100vh;
        padding-top: 2rem;
        gap: 1.5rem;
        box-shadow: -2px 0 10px rgba(0,0,0,0.5);
        transition: right 0.3s ease;
        z-index: 1050;
        align-items: flex-start;
    }
    .nav-links.open {
        right: 0;
    }
    .hamburger {
        display: flex;
    }
    .section {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
        width: 100%;
    }
    body, html {
        overflow-x: hidden;
        width: 100vw;
    }
}

/* Prevent horizontal scroll on all screens */
body, html {
    max-width: 100vw;
    overflow-x: hidden;
}