/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --dark-gradient: linear-gradient(135deg, #0c0c1e 0%, #1a1a3e 50%, #2d1b4e 100%);
    --card-gradient: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    --accent-purple: #9c6bff;
    --accent-pink: #f093fb;
    --accent-blue: #667eea;
    
    --gold: #ffd700;
    --silver: #c0c0c0;
    
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(156, 107, 255, 0.3);
    
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(12, 12, 30, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 100px 20px 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(240, 147, 251, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(118, 75, 162, 0.2) 0%, transparent 40%);
    animation: bgPulse 8s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1000px;
    position: relative;
    z-index: 1;
}

.hero-photo {
    flex-shrink: 0;
}

.hero-photo img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid transparent;
    background: var(--primary-gradient) border-box;
    box-shadow: var(--shadow-glow);
    animation: photoFloat 6s ease-in-out infinite;
}

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

.hero-text {
    text-align: left;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--accent-purple);
    margin-bottom: 10px;
    font-weight: 500;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    font-style: italic;
}

.hero-contacts {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-purple);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 20px; opacity: 0.3; }
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

/* About Section */
.about {
    background: linear-gradient(180deg, transparent 0%, rgba(102, 126, 234, 0.05) 50%, transparent 100%);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.about-card {
    background: var(--card-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: rgba(156, 107, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.about-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.about-icon svg {
    color: white;
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.about-info {
    text-align: center;
    color: var(--text-muted);
}

.about-info strong {
    color: var(--text-secondary);
}

/* Achievements Section */
.achievements {
    background: linear-gradient(180deg, transparent 0%, rgba(240, 147, 251, 0.05) 50%, transparent 100%);
}

.achievements-featured {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.achievement-card {
    background: var(--card-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.achievement-card.featured .achievement-image {
    height: 200px;
    overflow: hidden;
}

.achievement-card.featured .achievement-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.achievement-card:hover .achievement-image img {
    transform: scale(1.05);
}

.achievement-content {
    padding: 25px;
}

.achievement-badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.achievement-badge.gold {
    background: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
    color: #1a1a1a;
}

.achievement-badge.silver {
    background: linear-gradient(135deg, #c0c0c0 0%, #a0a0a0 100%);
    color: #1a1a1a;
}

.achievement-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.achievement-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

/* Achievements List */
.achievements-list {
    max-width: 800px;
    margin: 0 auto;
}

.list-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-secondary);
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--card-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    margin-bottom: 15px;
    transition: var(--transition);
}

.achievement-item:hover {
    border-color: rgba(156, 107, 255, 0.3);
    transform: translateX(5px);
}

.achievement-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

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

/* Projects Section */
.projects {
    background: linear-gradient(180deg, transparent 0%, rgba(102, 126, 234, 0.05) 50%, transparent 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--card-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 35px;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(156, 107, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.project-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.project-icon svg {
    fill: white;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tags span {
    padding: 5px 12px;
    background: rgba(156, 107, 255, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent-purple);
}

.projects-note {
    text-align: center;
    color: var(--text-muted);
    margin-top: 40px;
    font-style: italic;
}

/* Contacts Section */
.contacts {
    background: linear-gradient(180deg, transparent 0%, rgba(240, 147, 251, 0.05) 50%, transparent 100%);
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 30px;
    background: var(--card-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    text-decoration: none;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: rgba(156, 107, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.contact-card svg {
    fill: var(--accent-purple);
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact-card:hover svg {
    fill: var(--accent-pink);
    transform: scale(1.1);
}

.contact-card h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.contact-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 900px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-contacts {
        justify-content: center;
    }
    
    .achievements-featured {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(12, 12, 30, 0.98);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-photo img {
        width: 200px;
        height: 200px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .achievement-item {
        flex-direction: column;
        text-align: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .hero-photo img {
        width: 160px;
        height: 160px;
    }
    
    .achievements-featured {
        grid-template-columns: 1fr;
    }
    
    .achievement-card.featured .achievement-image {
        height: 160px;
    }
}