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

:root {
    --bg-dark: #0d0d0d;
    --bg-card: #1a1a1a;
    --bg-hover: #242424;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent-green: #00ff88;
    --accent-purple: #a855f7;
    --accent-yellow: #fbbf24;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 16px 48px rgba(0, 255, 136, 0.2);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: #0d0d0d;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out backwards;
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    transition: var(--transition);
}

nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    transition: width 0.3s ease;
}

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

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

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

.burger.active div:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.burger.active div:nth-child(2) {
    opacity: 0;
}

.burger.active div:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -2px;
}

.hero-content h1 .highlight {
    color: var(--accent-green);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.hero-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 3px solid var(--accent-cyan);
}

.hero-info {
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #2a2a2a;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-hover);
}

.info-line {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.info-line:last-child {
    margin-bottom: 0;
}

.info-line strong {
    color: var(--accent-green);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--accent-green);
    color: #0d0d0d;
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--accent-yellow);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--accent-green);
    color: #0d0d0d;
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
    letter-spacing: -1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-green);
    border-radius: 2px;
}

.section-intro {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-top: 2rem;
}

/* Interests Section */
#interests {
    background: rgba(20, 27, 61, 0.3);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.interest-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #2a2a2a;
    transition: var(--transition);
}

.interest-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.interest-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.interest-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-green);
    font-weight: 600;
}

.interest-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.interest-card ul {
    list-style: none;
    margin-top: 1rem;
}

.interest-card li {
    color: var(--text-secondary);
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    transition: var(--transition);
}

.interest-card li:hover {
    color: var(--text-primary);
    padding-left: 2rem;
}

.interest-card li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    transition: var(--transition);
}

.interest-card li:hover::before {
    left: 0.5rem;
}

/* Skills Section */
.skills-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #2a2a2a;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--accent-purple);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-purple);
    font-weight: 600;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.6rem 0;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
    transition: var(--transition);
}

.skill-category li:hover {
    color: var(--text-primary);
    padding-left: 2rem;
}

.skill-category li::before {
    content: "◆";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    transition: var(--transition);
}

.skill-category li:hover::before {
    color: var(--accent-yellow);
}

.skill-subcategory {
    margin-top: 1.5rem;
}

.skill-subcategory h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    opacity: 0.9;
}

/* Background Section */
#background {
    background: rgba(20, 27, 61, 0.3);
}

.background-content {
    max-width: 900px;
    margin: 3rem auto;
}

.background-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.background-content h3 {
    font-size: 1.3rem;
    color: var(--accent-green);
    margin: 2rem 0 1rem 0;
    font-weight: 600;
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 3rem auto;
    text-align: center;
}

.contact-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact-link {
    color: #0d0d0d;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
    padding: 1rem 2.5rem;
    background: var(--accent-green);
    border-radius: 8px;
    display: inline-block;
    min-width: 280px;
}

.contact-link:hover {
    background: var(--accent-yellow);
    transform: translateY(-2px);
}

.contact-link span {
    position: relative;
}

/* Footer */
footer {
    background: #0d0d0d;
    border-top: 2px solid var(--accent-green);
    padding: 3rem 0 2rem 0;
    margin-top: 5rem;
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-disclaimer p {
    margin-bottom: 0.5rem;
}

.footer-fun {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: right 0.3s ease;
        padding: 2rem 0;
        border-top: 1px solid rgba(6, 182, 212, 0.2);
    }

    .nav-links.active {
        right: 0;
    }

    .burger {
        display: flex;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

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

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

    .container {
        padding: 0 1.5rem;
    }

    .contact-link {
        min-width: 100%;
    }

}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
}