:root {
    --primary: #000000;
    --secondary: #ffffff;
    --accent-orange: #ff5500;
    --accent-blue: #00a8ff;
    --accent-purple: #9c27b0;
    --accent-red: #f44336;
    --glass-dark: rgba(0, 0, 0, 0.7);
    --glass-light: rgba(255, 255, 255, 0.1);
    --glow: 0 0 15px rgba(255, 85, 0, 0.7);
}

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

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

.particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background-color: var(--primary);
}

h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.glass-section {
    background: var(--glass-dark);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid var(--glass-light);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    padding: 2rem;
    margin: 1rem 0;
    transition: all 0.3s ease;
}

.glass-nav, .glass-footer {
    background: var(--glass-dark);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-light);
}

.landing-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.landing-content {
    z-index: 1;
    padding: 2rem;
    max-width: 800px;
}

.landing-content h1 {
    font-size: 8rem;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px var(--accent-orange);
    position: relative;
}

.glitch {
    position: relative;
}

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

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 #ff00ff;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 #00ffff;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(31px, 9999px, 94px, 0); }
    10% { clip: rect(112px, 9999px, 76px, 0); }
    20% { clip: rect(85px, 9999px, 77px, 0); }
    30% { clip: rect(27px, 9999px, 97px, 0); }
    40% { clip: rect(64px, 9999px, 98px, 0); }
    50% { clip: rect(61px, 9999px, 85px, 0); }
    60% { clip: rect(99px, 9999px, 114px, 0); }
    70% { clip: rect(34px, 9999px, 115px, 0); }
    80% { clip: rect(98px, 9999px, 129px, 0); }
    90% { clip: rect(43px, 9999px, 96px, 0); }
    100% { clip: rect(82px, 9999px, 64px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 119px, 0); }
    10% { clip: rect(79px, 9999px, 66px, 0); }
    20% { clip: rect(24px, 9999px, 76px, 0); }
    30% { clip: rect(58px, 9999px, 40px, 0); }
    40% { clip: rect(29px, 9999px, 82px, 0); }
    50% { clip: rect(28px, 9999px, 63px, 0); }
    60% { clip: rect(68px, 9999px, 108px, 0); }
    70% { clip: rect(83px, 9999px, 94px, 0); }
    80% { clip: rect(78px, 9999px, 92px, 0); }
    90% { clip: rect(32px, 9999px, 30px, 0); }
    100% { clip: rect(99px, 9999px, 53px, 0); }
}

.typewriter {
    margin: 2rem 0;
    font-size: 1.5rem;
    min-height: 120px;
}

.typing-line {
    opacity: 0;
    margin: 0.5rem 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
}

.typing-line.visible {
    opacity: 1;
    transform: translateY(0);
}

.pulse-glow {
    background: transparent;
    color: var(--secondary);
    border: 2px solid var(--accent-orange);
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    animation: pulse 2s infinite;
}

.pulse-glow:hover {
    background: rgba(255, 85, 0, 0.2);
    box-shadow: var(--glow);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 85, 0, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(255, 85, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 85, 0, 0); }
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 3px;
}

.logo-subtext {
    font-size: 0.7rem;
    opacity: 0.7;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: width 0.3s;
}

nav ul li a:hover::after {
    width: 100%;
}

#contact-btn {
    background: var(--accent-orange);
    color: var(--primary);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

#contact-btn:hover {
    box-shadow: var(--glow);
}

main {
    padding: 6rem 2rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

#hero {
    text-align: center;
    padding: 4rem 2rem;
    margin-top: 4rem;
}

#hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 15px var(--accent-orange);
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.hero-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tag.api {
    background: var(--accent-blue);
    color: var(--primary);
}

.tag.web {
    background: var(--accent-purple);
    color: var(--secondary);
}

.tag.upcoming .tag.node {
    background: var(--accent-orange);
    color: var(--primary);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-orange);
}

.project-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    color: var(--secondary);
    border: 1px solid var(--glass-light);
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover, .tab-btn.active {
    background: var(--accent-orange);
    color: var(--primary);
    border-color: var(--accent-orange);
    box-shadow: var(--glow);
}

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

.project-card {
    background: var(--glass-dark);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid var(--glass-light);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow);
    border-color: var(--accent-orange);
}

.project-image {
    height: 200px;
    background: var(--glass-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--secondary);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-type {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.project-type.api {
    background: var(--accent-blue);
    color: var(--primary);
}

.project-type.web {
    background: var(--accent-purple);
    color: var(--secondary);
}

.project-type.apk {
    background: var(--accent-red);
    color: var(--secondary);
}

.project-description {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.stack-tag {
    background: var(--glass-light);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
}

.project-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.project-link:hover {
    text-shadow: 0 0 10px var(--accent-orange);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

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

.skill-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--accent-orange);
}

.skill-name {
    font-weight: 600;
}

.skill-percent {
    margin-left: auto;
}

.skill-meter {
    height: 8px;
    background: var(--glass-light);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-orange);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
}

.about-content {
    display: flex;
    gap: 2rem;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1rem;
}

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

.offer-card {
    padding: 2rem;
    border-radius: 10px;
    transition: all 0.3s;
    border: 1px solid var(--glass-light);
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow);
    border-color: var(--accent-orange);
}

.offer-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-orange);
}

.offer-description {
    font-size: 0.9rem;
    opacity: 0.8;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.close-btn:hover {
    color: var(--accent-orange);
}

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--glass-light);
    border: 1px solid var(--glass-light);
    border-radius: 5px;
    color: var(--secondary);
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: var(--glow);
}

.contact-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-option {
    flex: 1;
    min-width: 120px;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-option.whatsapp {
    background: #25D366;
    color: #000;
}

.contact-option.telegram {
    background: #0088cc;
    color: #fff;
}

.contact-option.email {
    background: var(--accent-orange);
    color: #000;
}

.contact-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

.footer-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--secondary);
    font-size: 1.5rem;
    transition: all 0.3s;
}

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

.footer-copy {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* RESPONSIVE STYLES */
@media (max-width: 768px) {
    .landing-content h1 {
        font-size: 4rem;
    }
    
    header {
        flex-direction: column;
        padding: 1rem;
    }
    
    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0.5rem;
    }
    
    #hero h1 {
        font-size: 2.5rem;
    }
    
    .projects-container {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .landing-content h1 {
        font-size: 3rem;
    }
    
    .typewriter {
        font-size: 1rem;
    }
    
    .pulse-glow {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-options {
        flex-direction: column;
    }
    
    .contact-option {
        width: 100%;
    }
}