:root {
    --bg: #0a0a0a;
    --surface: #121212;
    --surface-dark: #080808;
    --surface-light: #1a1a1a;
    --border: #262626;
    --border-light: #333333;
    --text-main: #ffffff;
    --text-dim: #a3a3a3;
    --text-darker: #888888;
    --accent: #ffffff;
    --accent-glow: rgba(255, 255, 255, 0.15);
    --code-font: 'JetBrains Mono', monospace;
    --primary-font: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body { 
    background-color: var(--bg); 
    color: var(--text-main); 
    font-family: var(--primary-font); 
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.grid-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 40s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-circle {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(40px);
    animation: floatCircle 20s ease-in-out infinite;
}

.floating-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 70%;
    left: 80%;
    animation-delay: -5s;
    animation-duration: 25s;
}

.floating-circle:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 20%;
    left: 10%;
    animation-delay: -10s;
    animation-duration: 30s;
}

@keyframes floatCircle {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 40px) scale(0.9); }
}

/* Utility */
.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 2rem; 
}

.section-padding { 
    padding: 8rem 0; 
    position: relative;
}

.mono { 
    font-family: var(--code-font); 
    color: var(--text-dim); 
    font-size: 0.9rem;
    letter-spacing: -0.02em;
}

/* Navigation */
nav {
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 10, 10, 0.95);
}

.nav-content { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
}

.logo {
    font-family: var(--code-font);
    font-weight: 600;
    font-size: 1.5rem;
    background: linear-gradient(90deg, var(--text-main), var(--text-dim));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-right: 10px;
}

.logo::after {
    content: '>';
    color: var(--accent);
    margin-left: 5px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.nav-links { 
    display: flex; 
    gap: 2.5rem; 
    align-items: center;
}

.nav-links a { 
    color: var(--text-dim); 
    text-decoration: none; 
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    position: relative;
    padding: 5px 0;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.nav-contact-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 4px;
    font-family: var(--code-font);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: 1rem;
}

.nav-contact-btn:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    width: 44px;
    height: 44px;
    border-radius: 4px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.mobile-menu-toggle:hover {
    background: var(--surface);
}

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

.hero-tag { 
    color: var(--accent); 
    border: 1px solid var(--border); 
    padding: 6px 16px; 
    border-radius: 20px; 
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2rem;
    font-family: var(--code-font);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1); }
    50% { box-shadow: 0 0 0 5px rgba(255, 255, 255, 0); }
}

.hero-tag i {
    color: #00ff00;
}

h1 { 
    font-size: clamp(3rem, 8vw, 5rem); 
    font-weight: 800; 
    letter-spacing: -2.5px; 
    line-height: 1.05; 
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff 0%, #aaaaaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub { 
    font-size: 1.25rem; 
    color: var(--text-dim); 
    max-width: 700px; 
    margin-bottom: 3rem;
    line-height: 1.8;
    font-weight: 400;
}

.cta-group { 
    display: flex; 
    gap: 1rem; 
    flex-wrap: wrap;
}

.btn { 
    padding: 14px 32px; 
    border-radius: 6px; 
    text-decoration: none; 
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s; 
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary { 
    background: var(--accent); 
    color: var(--bg); 
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.btn-secondary { 
    background: transparent; 
    color: var(--accent); 
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.05);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-dim);
    font-family: var(--code-font);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0; transform: translateY(-10px); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* Section Headers */
.section-header {
    margin-bottom: 4rem;
}

.section-label {
    font-family: var(--code-font);
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::before {
    content: '//';
    color: var(--accent);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent);
}

/* Stats/About */
.stats-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 2rem; 
    margin-top: 4rem;
    border-top: 1px solid var(--border);
    padding-top: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.stat-item h3 { 
    font-family: var(--code-font); 
    font-size: 3rem; 
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--accent), var(--text-dim));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p { 
    color: var(--text-dim); 
    font-size: 0.9rem;
    font-family: var(--code-font);
}

/* Skills/Learning */
.learning-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 4rem; 
}

.skill-category { 
    margin-bottom: 2.5rem; 
}

.skill-category h4 { 
    margin-bottom: 1rem; 
    font-family: var(--code-font); 
    color: var(--accent);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-category h4 i {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.skill-tags { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 0.75rem; 
}

.tag { 
    background: var(--surface); 
    border: 1px solid var(--border); 
    padding: 8px 16px; 
    border-radius: 4px; 
    font-size: 0.85rem;
    font-family: var(--code-font);
    transition: all 0.3s;
    color: var(--text-dim);
}

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

.learning-card { 
    background: linear-gradient(145deg, var(--surface-dark) 0%, var(--surface) 100%);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.learning-card::before {
    content: "LIVE_STUDY";
    position: absolute;
    top: -10px; 
    right: 20px;
    background: var(--accent); 
    color: var(--bg);
    font-family: var(--code-font); 
    font-size: 0.7rem; 
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 4px;
    z-index: 1;
}

.learning-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(20px);
    z-index: 0;
}

.learning-card-content {
    position: relative;
    z-index: 1;
}

.learning-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.learning-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Projects */
.projects-container {
    position: relative;
}

.project-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
    gap: 2rem; 
}

.project-card { 
    background: var(--surface); 
    border: 1px solid var(--border); 
    padding: 2rem; 
    border-radius: 12px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 30%, rgba(255, 255, 255, 0.03) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.project-card:hover::before {
    transform: translateX(100%);
}

.project-card:hover { 
    border-color: var(--accent);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-card h3 { 
    margin-bottom: 1rem; 
    font-size: 1.5rem;
}

.project-card p { 
    color: var(--text-dim); 
    font-size: 0.95rem; 
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.project-links a { 
    color: var(--accent); 
    font-size: 0.85rem; 
    text-decoration: none; 
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--code-font);
    transition: all 0.3s;
}

.project-links a:hover {
    gap: 10px;
}

/* Contact Section */
.contact-section {
    position: relative;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s;
}

.contact-item:hover {
    border-color: var(--accent);
    transform: translateX(5px);
}

.contact-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1.2rem;
}

.contact-text h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    margin-bottom: 0.3rem;
}

.contact-text p {
    margin: 0;
    font-size: 1rem;
    color: var(--text-main);
}

.contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    font-family: var(--code-font);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: var(--surface-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    font-family: var(--primary-font);
    font-size: 1rem;
    border-radius: 6px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer { 
    text-align: center; 
    padding: 5rem 0; 
    border-top: 1px solid var(--border); 
    color: var(--text-dim); 
    font-size: 0.9rem;
    position: relative;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s;
}

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

.footer-copyright {
    font-family: var(--code-font);
    font-size: 0.85rem;
}

/* Email Success Modal */
.email-success-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.email-success-modal:not(.hidden) {
    display: flex;
}

.email-success-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.email-success-modal-content {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    z-index: 1;
    text-align: center;
}

.email-success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.email-success-modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.email-success-modal-content p {
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.email-success-close-btn {
    display: block;
    margin: 0 auto;
    padding: 10px 24px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.email-success-close-btn:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 1024px) {
    .learning-grid { 
        gap: 3rem; 
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .section-padding {
        padding: 5rem 0;
    }
    
    .learning-grid { 
        grid-template-columns: 1fr; 
        gap: 3rem;
    }
    
    h1 { 
        font-size: 2.8rem; 
    }
    
    .hero-sub {
        font-size: 1.1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-tag {
        font-size: 0.75rem;
        padding: 5px 12px;
    }
    
    h1 {
        font-size: 2.3rem;
        letter-spacing: -1.5px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .project-card {
        padding: 1.5rem;
    }
    
    .learning-card {
        padding: 2rem 1.5rem;
    }
}