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

:root {
    --primary-color: #ff0040;
    --secondary-color: #00ffff;
    --accent-color: #0099ff;
    --bg-color: #000000;
    --surface-color: #111111;
    --card-color: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --border-color: #333333;
    --glow-color: rgba(255, 0, 64, 0.5);
    --font-primary: 'Orbitron', monospace;
    --font-code: 'Fira Code', monospace;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Matrix Background */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

#matrix-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 2px 20px rgba(255, 0, 64, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
}

.logo-separator {
    margin: 0 0.5rem;
    color: var(--secondary-color);
}

.nav-name {
    color: var(--text-primary);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.nav-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Glitch Text Effect */
.glitch-text {
    position: relative;
    display: inline-block;
    font-weight: 900;
    text-transform: uppercase;
    animation: glitch 2s infinite;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    animation: glitch-1 2s infinite;
    color: var(--primary-color);
    z-index: -1;
}

.glitch-text::after {
    animation: glitch-2 2s infinite;
    color: var(--secondary-color);
    z-index: -2;
}

@keyframes glitch {
    0%, 74%, 76%, 79%, 81%, 100% {
        transform: translate(0);
    }
    75% {
        transform: translate(-2px, 2px);
    }
    77% {
        transform: translate(2px, -2px);
    }
    78% {
        transform: translate(-1px, 1px);
    }
    80% {
        transform: translate(1px, -1px);
    }
}

@keyframes glitch-1 {
    0%, 74%, 76%, 79%, 81%, 100% {
        transform: translate(0);
        opacity: 1;
    }
    75% {
        transform: translate(2px, -2px);
        opacity: 0.7;
    }
    77% {
        transform: translate(-2px, 2px);
        opacity: 0.7;
    }
    78% {
        transform: translate(1px, -1px);
        opacity: 0.7;
    }
    80% {
        transform: translate(-1px, 1px);
        opacity: 0.7;
    }
}

@keyframes glitch-2 {
    0%, 74%, 76%, 79%, 81%, 100% {
        transform: translate(0);
        opacity: 1;
    }
    75% {
        transform: translate(-2px, 2px);
        opacity: 0.7;
    }
    77% {
        transform: translate(2px, -2px);
        opacity: 0.7;
    }
    78% {
        transform: translate(-1px, 1px);
        opacity: 0.7;
    }
    80% {
        transform: translate(1px, -1px);
        opacity: 0.7;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 20px 50px;
}

.hero-container {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.terminal-window {
    background: var(--card-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.terminal-header {
    background: var(--surface-color);
    padding: 15px 20px;
    display: flex;
    align-items: center; 
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

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

.btn.close {
    background: #ff5f56;
}

.btn.minimize {
    background: #ffbd2e;
}

.btn.maximize {
    background: #27ca3f;
}

.terminal-title {
    font-family: var(--font-code);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-code);
    min-height: 200px;
}

.terminal-line {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.prompt {
    color: var(--secondary-color);
    margin-right: 10px;
}

.command {
    color: var(--primary-color);
}

.cursor {
    color: var(--secondary-color);
    animation: blink 1s infinite;
}

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

.output-line {
    margin-top: 20px;
}

.welcome-message {
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 20px var(--glow-color);
    letter-spacing: 3px;
}

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

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-family: var(--font-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #ff3366);
    color: var(--text-primary);
    box-shadow: 0 0 20px var(--glow-color);
}

.btn-primary:hover {
    box-shadow: 0 0 30px var(--glow-color);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--glow-secondary);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Section Titles */
.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: var(--surface-color);
}

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

.skill-card {
    background: var(--card-color);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: loading 2s infinite;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 0, 64, 0.2);
    border-color: var(--primary-color);
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.card-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.card-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    width: 0;
    transition: width 2s ease;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.tool-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--glow-color);
    transform: scale(1.05);
}

.tool-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.tool-item span {
    font-size: 0.9rem;
    text-align: center;
    color: var(--text-secondary);
}

.env-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.env-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.env-item:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 15px var(--glow-secondary);
    transform: translateX(10px);
}

.env-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.env-info {
    display: flex;
    flex-direction: column;
}

.env-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

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

/* Certifications Section */
.certifications {
    padding: 100px 0;
    background: var(--bg-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid var(--bg-color);
    z-index: 10;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -11px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -11px;
}

.timeline-dot.completed {
    background: var(--primary-color);
    box-shadow: 0 0 20px var(--glow-color);
}

.timeline-dot.in-progress {
    background: var(--accent-color);
    animation: pulse-dot 2s infinite;
}

.timeline-dot.planned {
    background: var(--text-muted);
    border-color: var(--border-color);
}

@keyframes pulse-dot {
    0%, 100% {
        box-shadow: 0 0 10px var(--accent-color);
    }
    50% {
        box-shadow: 0 0 25px var(--accent-color);
    }
}

.cert-card {
    background: var(--card-color);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.cert-icon {
    font-size: 3rem;
    color: var(--primary-color);
    min-width: 60px;
}

.cert-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.cert-name {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cert-grade {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cert-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cert-status.completed {
    background: rgba(255, 0, 64, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.cert-status.in-progress {
    background: rgba(0, 153, 255, 0.2);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    animation: pulse-status 2s infinite;
}

.cert-status.planned {
    background: rgba(136, 136, 136, 0.2);
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
}

@keyframes pulse-status {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--surface-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.project-image {
    padding: 3rem;
    background: var(--surface-color);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.project-image i {
    font-size: 4rem;
    color: var(--primary-color);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(255, 0, 64, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(255, 0, 64, 0.3);
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-story h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-story p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--card-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px var(--glow-color);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.hacker-terminal {
    background: var(--card-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    max-width: 500px;
    margin: 0 auto;
}

.code-lines {
    padding: 1rem;
    font-family: var(--font-code);
    font-size: 0.9rem;
}

.code-line {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: fadeInCode 0.5s ease forwards;
}

.code-line:nth-child(1) { animation-delay: 0.5s; }
.code-line:nth-child(2) { animation-delay: 1s; }
.code-line:nth-child(3) { animation-delay: 1.5s; }
.code-line:nth-child(4) { animation-delay: 2s; }
.code-line:nth-child(5) { animation-delay: 2.5s; }
.code-line:nth-child(6) { animation-delay: 3s; }
.code-line:nth-child(7) { animation-delay: 3.5s; }
.code-line:nth-child(8) { animation-delay: 4s; }

@keyframes fadeInCode {
    to {
        opacity: 1;
    }
}

.line-number {
    color: var(--text-muted);
    margin-right: 1rem;
    min-width: 20px;
}

.code {
    color: var(--secondary-color);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--surface-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-methods {
    margin-bottom: 3rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--card-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-method:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 30px;
}

.method-info {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.method-value {
    color: var(--text-primary);
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-link.telegram:hover {
    border-color: #0088cc;
    color: #0088cc;
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.3);
}

.social-link.discord:hover {
    border-color: #7289da;
    color: #7289da;
    box-shadow: 0 0 20px rgba(114, 137, 218, 0.3);
}

.social-link.github:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.contact-form {
    background: var(--card-color);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--glow-color);
}

.form-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.form-group input:focus + .form-border,
.form-group textarea:focus + .form-border {
    width: 100%;
}

.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, var(--primary-color), #ff3366);
    color: var(--text-primary);
    border: none;
    border-radius: 5px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    box-shadow: 0 0 30px var(--glow-color);
    transform: translateY(-2px);
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-submit:hover::before {
    left: 100%;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Animation Classes */
[data-aos] {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

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

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos].aos-animate[data-aos="fade-right"],
[data-aos].aos-animate[data-aos="fade-left"] {
    transform: translateX(0);
}

[data-aos].aos-animate[data-aos="zoom-in"] {
    transform: scale(1);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding: 100px 20px 50px;
    }

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 4rem;
        padding-right: 0;
    }

    .timeline-dot {
        left: 10px !important;
        right: auto !important;
    }

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

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

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

    .social-links {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        order: -1;
    }
}

@media screen and (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }

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

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ff3366, #33ccff);
}

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

::-moz-selection {
    background: var(--primary-color);
    color: var(--text-primary);
}