/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(18, 18, 26, 0.7);
    
    --accent-primary: #00d9ff;
    --accent-secondary: #7b2fff;
    --accent-tertiary: #ff2d75;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    
    --border-color: rgba(0, 217, 255, 0.2);
    --glow-color: rgba(0, 217, 255, 0.4);
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ===== CURSOR GLOW ===== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

/* Header Badge */
.header-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #22c55e;
    white-space: nowrap;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Navigation Desktop */
.nav-desktop {
    display: flex;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: var(--transition-normal);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-primary);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
    box-shadow: 0 0 5px var(--glow-color);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.nav-mobile {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-normal);
    z-index: 10000;
}

.nav-mobile.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.nav-mobile-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--accent-primary);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    z-index: 10001;
}

.nav-link-mobile {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    padding: 16px 32px;
    border: 1px solid transparent;
    border-radius: 12px;
    transition: var(--transition-normal);
}

.nav-link-mobile:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-color);
}

/* ===== MASCOT ===== */
.mascot {
    position: fixed;
    top: -10px;
    left: 180px;
    z-index: 1001;
    transition: var(--transition-normal);
}

.mascot-img {
    width: 140px;
    height: auto;
    filter: drop-shadow(0 0 15px var(--glow-color));
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 15, 0.7) 0%,
        rgba(10, 10, 15, 0.5) 50%,
        rgba(10, 10, 15, 0.9) 100%
    );
    z-index: -1;
}

.hero-content {
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
    width: 100%;
    box-sizing: border-box;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Title */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease;
    animation-fill-mode: both;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }

.title-line.accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtitle */
.hero-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--accent-primary);
    margin-bottom: 24px;
    min-height: 2em;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Description */
.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

/* CTA Buttons */
.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.5s both;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 12px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-color);
}

/* Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 0.8s ease 0.7s both;
}

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

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-card {
    padding: 28px;
    transition: var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.1);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--accent-primary);
}

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

/* Code Window */
.code-window {
    position: sticky;
    top: 120px;
    overflow: hidden;
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dot.red { background: #ff5f57; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #28c940; }

.window-title {
    margin-left: 12px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.code-content {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content .keyword { color: #ff79c6; }
.code-content .class-name { color: #8be9fd; }
.code-content .function { color: #50fa7b; }
.code-content .param { color: #ffb86c; }
.code-content .string { color: #f1fa8c; }
.code-content .number { color: #bd93f9; }

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-category {
    padding: 28px;
    transition: var(--transition-normal);
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.category-icon {
    font-size: 1.5rem;
}

.category-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 14px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(0, 217, 255, 0.2);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    overflow: hidden;
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.15);
}

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: var(--bg-primary);
}

.project-media {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
}

.project-media img,
.project-media video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--bg-primary);
    transition: transform 0.5s ease;
}

.project-card:hover .project-media img,
.project-card:hover .project-media video {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 16px;
    left: 16px;
}

.project-category {
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
}

.project-content {
    padding: 24px;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    padding: 4px 10px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
}

/* ===== CONTACT SECTION ===== */
.contact-photo {
    width: 140px;
    height: 140px;
    margin: 0 auto 32px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-primary);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.contact-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-content-centered {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-links-centered {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    text-decoration: none;
    transition: var(--transition-normal);
}

.contact-link:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-link-content {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.contact-link-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-link-value {
    font-family: var(--font-display);
    color: var(--text-primary);
}

.btn-download {
    display: inline-flex;
    justify-content: center;
}

/* ===== FOOTER ===== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

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

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.heart { color: #ff2d75; }
.coffee { color: #ffbd2e; }

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

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

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media screen and (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .code-window {
        position: relative;
        top: 0;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 900px) {
    .nav-desktop {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .header-badge {
        font-size: 0.65rem;
        padding: 5px 10px;
    }
}

@media screen and (max-width: 768px) {
    html, body {
        overflow-x: hidden;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .hero-content {
        padding: 0 16px;
    }
    
    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-card, .skill-category, .project-card, .contact-link {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .code-content {
        font-size: 0.7rem;
        padding: 16px;
        overflow-x: auto;
    }
    
    .code-window {
        max-width: 100%;
        overflow: hidden;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 0 10px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
        font-size: 0.85rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .code-content {
        font-size: 0.6rem;
    }
    
    .logo-text {
        font-size: 0.9rem;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-tag {
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .about-card, .skill-category {
        padding: 20px;
    }
    
    .about-card h3, .category-header h3 {
        font-size: 1rem;
    }
    
    .about-card p {
        font-size: 0.9rem;
    }
    
    .skill-tag {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
    
    .project-content {
        padding: 16px;
    }
    
    .project-title {
        font-size: 1.1rem;
    }
    
    .project-description {
        font-size: 0.85rem;
    }
    
    .contact-text {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .contact-link {
        padding: 16px;
        gap: 12px;
    }
    
    .contact-link-value {
        font-size: 0.85rem;
    }
    
    .scroll-indicator {
        display: none;
    }
}