/* ===== VARIABLES & THEMES ===== */
:root {
    /* Новая темная тема */
    --bg-primary: #0f1a1e;
    --bg-secondary: #15262b;
    --text-primary: #f0e2a7;
    --text-secondary: #8a9ea8;
    --accent: #259c71;
    --accent-light: #34c78a;
    --neon: #3ae0a6;
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease-in-out;
    --bg-tech-card: #0f1a1e;
}

[data-theme="light"] {
    --bg-primary: #e4f2eb;
    --bg-secondary: #cde4d9;
    --text-primary: #0a140e;
    --text-secondary: #1c2d23;
    --accent: #14583d;
    --accent-light: #196c4a;
    --neon: #1e8056;
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
    --bg-tech-card: #f8f9fa;
}

/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    opacity: 0;
    animation: fadeIn 0.5s forwards;
}

a {
    text-decoration: none;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    to { opacity: 1; }
}

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 var(--accent); }
    70% { box-shadow: 0 0 0 10px rgba(88, 166, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(88, 166, 255, 0); }
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 0.3; }
}

/* ===== LAYOUT & BACKGROUND ===== */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, 
            rgba(88, 166, 255, 0.1) 0%, 
            transparent 50%) no-repeat,
        var(--bg-primary);
    z-index: -1;
    transition: var(--transition);
}

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

/* ===== HEADER & NAVIGATION ===== */
.header-buttons {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: row-reverse;
    gap: 10px;
    z-index: 100;
}

.theme-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    margin-right: 20px;
}

.theme-btn:hover {
    transform: scale(1.1);
    background: var(--bg-tech-card);
}

/* ===== CARD COMPONENTS ===== */
.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 800px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.glow {
    position: relative;
}

.glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    background: linear-gradient(45deg, var(--accent), transparent);
    opacity: 0.1;
    z-index: -1;
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
header {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    border: 3px solid var(--accent);
    padding: 3px;
    transition: var(--transition);
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    transition: var(--transition);
}

/* ===== TYPOGRAPHY ===== */
h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.neon-text {
    text-shadow: 0 0 5px var(--neon), 
                 0 0 10px rgba(0, 242, 255, 0.3);
    transition: var(--transition);
}

.subtitle {
    color: var(--text-secondary);
    font-family: 'Fira Code', monospace;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.terminal-text::after {
    content: '|';
    animation: blink 1s infinite;
}

.gradient-text {
    background: var(--accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* ===== SOCIAL LINKS ===== */
.social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.social-btn {
    color: var(--text-primary);
    font-size: 1.5rem;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-primary);
}

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

/* ===== CONSOLE STYLES ===== */
.console {
    font-family: 'Fira Code', monospace;
}

.prompt {
    color: var(--accent);
    margin-right: 0.5rem;
}

.console-list {
    list-style-type: none;
    margin-top: 1rem;
}

.console-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.console-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ===== TECH GRID ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.tech-card {
    background: var(--bg-tech-card);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.1);
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
    border-color: #1a7d56;
}

.tech-card img {
    width: 50px;
    height: 50px;
    margin-bottom: 0.75rem;
    object-fit: contain;
    transition: var(--transition);
}

.tech-card span {
    font-size: 0.9rem;
    color: var(--text-primary);
    text-align: center;
}

/* ===== CONTACT BUTTONS ===== */
.contact-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: space-around;
}

.pulse-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.pulse-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px #34c78a;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.project-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.02), rgba(255,255,255,0.005));
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .project-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.7), rgba(248,251,249,0.5));
    border: 1px solid rgba(42, 125, 95, 0.12);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.03);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
    transition: left 0.8s ease-in-out;
}

[data-theme="light"] .project-card::before {
    background: linear-gradient(90deg, transparent, rgba(42, 125, 95, 0.02), transparent);
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-3px) scale(1.005);
    border-color: rgba(58, 224, 166, 0.4);
    box-shadow: 
        0 8px 25px rgba(0, 255, 255, 0.08),
        0 0 0 1px rgba(0, 255, 255, 0.03);
}

[data-theme="light"] .project-card:hover {
    transform: translateY(-3px) scale(1.005);
    border-color: rgba(42, 125, 95, 0.3);
    box-shadow: 
        0 10px 25px rgba(42, 125, 95, 0.08),
        0 0 0 1px rgba(42, 125, 95, 0.08);
}

/* Project Header */
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
}

.project-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.project-icon {
    font-size: 1.4rem;
    color: var(--neon);
    filter: drop-shadow(0 0 2px var(--neon));
    transition: all 0.5s ease;
}

[data-theme="light"] .project-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 1px rgba(42, 125, 95, 0.2));
}

.project-card:hover .project-icon {
    transform: scale(1.05);
    filter: drop-shadow(0 0 3px var(--neon));
}

[data-theme="light"] .project-card:hover .project-icon {
    filter: drop-shadow(0 0 2px rgba(42, 125, 95, 0.3));
}

.project-header h3 {
    margin: 0;
    font-size: 1.3rem;
    background: linear-gradient(45deg, var(--neon), #34c78a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s ease;
}

[data-theme="light"] .project-header h3 {
    background: linear-gradient(45deg, var(--accent), #3cb981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-card:hover .project-header h3 {
    background: linear-gradient(45deg, var(--neon), #40e0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .project-card:hover .project-header h3 {
    background: linear-gradient(45deg, var(--accent-light), #45c389);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Project Badges - Colorful Version */
.project-badge {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid;
    transition: all 0.4s ease;
}

.project-badge.devops {
    background: linear-gradient(45deg, rgba(0, 184, 217, 0.15), rgba(0, 217, 159, 0.15));
    border-color: rgba(0, 184, 217, 0.4);
    color: #00b8d9;
}

[data-theme="light"] .project-badge.devops {
    background: linear-gradient(45deg, rgba(0, 184, 217, 0.1), rgba(0, 217, 159, 0.1));
    border-color: rgba(0, 184, 217, 0.5);
    color: #0099b8;
}

.project-badge.fullstack {
    background: linear-gradient(45deg, rgba(155, 81, 224, 0.15), rgba(224, 81, 162, 0.15));
    border-color: rgba(155, 81, 224, 0.4);
    color: #9b51e0;
}

[data-theme="light"] .project-badge.fullstack {
    background: linear-gradient(45deg, rgba(155, 81, 224, 0.1), rgba(224, 81, 162, 0.1));
    border-color: rgba(155, 81, 224, 0.5);
    color: #7d3fb5;
}

.project-badge.cloud {
    background: linear-gradient(45deg, rgba(47, 128, 237, 0.15), rgba(86, 204, 242, 0.15));
    border-color: rgba(47, 128, 237, 0.4);
    color: #2f80ed;
}

[data-theme="light"] .project-badge.cloud {
    background: linear-gradient(45deg, rgba(47, 128, 237, 0.1), rgba(86, 204, 242, 0.1));
    border-color: rgba(47, 128, 237, 0.5);
    color: #1a6fd6;
}

.project-badge.monitoring {
    background: linear-gradient(45deg, rgba(235, 87, 87, 0.15), rgba(242, 153, 74, 0.15));
    border-color: rgba(235, 87, 87, 0.4);
    color: #eb5757;
}

[data-theme="light"] .project-badge.monitoring {
    background: linear-gradient(45deg, rgba(235, 87, 87, 0.1), rgba(242, 153, 74, 0.1));
    border-color: rgba(235, 87, 87, 0.5);
    color: #d64545;
}

/* Hover effects for badges */
.project-card:hover .project-badge {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.project-badge.devops:hover {
    box-shadow: 0 4px 12px rgba(0, 184, 217, 0.3);
}

.project-badge.fullstack:hover {
    box-shadow: 0 4px 12px rgba(155, 81, 224, 0.3);
}

.project-badge.cloud:hover {
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
}

.project-badge.monitoring:hover {
    box-shadow: 0 4px 12px rgba(235, 87, 87, 0.3);
}

/* Project Content */
.project-description {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    opacity: 0.85;
    font-size: 0.95rem;
    min-height: 4rem;
    transition: opacity 0.4s ease;
}

[data-theme="light"] .project-description {
    opacity: 0.75;
}

.project-card:hover .project-description {
    opacity: 0.95;
}

[data-theme="light"] .project-card:hover .project-description {
    opacity: 0.9;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(5px);
}

[data-theme="light"] .tech-tag {
    background: rgba(42, 125, 95, 0.04);
    border: 1px solid rgba(42, 125, 95, 0.08);
    color: var(--text-secondary);
}

.tech-tag:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
    border-color: rgba(58, 224, 166, 0.3);
}

[data-theme="light"] .tech-tag:hover {
    background: rgba(42, 125, 95, 0.08);
    border-color: rgba(42, 125, 95, 0.3);
}

.tech-tag img {
    width: 16px;
    height: 16px;
    transition: all 0.4s ease;
}

[data-theme="light"] .tech-tag img {
    filter: brightness(0) saturate(100%) invert(24%) sepia(15%) saturate(1200%) hue-rotate(115deg) brightness(90%) contrast(85%);
}

.tech-tag:hover img {
    transform: scale(1.1);
}

/* Project Links */
.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid transparent;
    font-weight: 500;
    flex: 1;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .project-link {
    background: rgba(42, 125, 95, 0.05);
    color: var(--text-secondary);
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
    transition: left 0.6s ease-in-out;
}

[data-theme="light"] .project-link::before {
    background: linear-gradient(90deg, transparent, rgba(42, 125, 95, 0.06), transparent);
}

.project-link:hover::before {
    left: 100%;
}

.project-link:hover {
    background: rgba(255, 255, 255, 0.09);
    transform: translateY(-1px);
}

[data-theme="light"] .project-link:hover {
    background: rgba(42, 125, 95, 0.09);
}

.code-link:hover {
    border-color: rgba(110, 84, 148, 0.3);
    color: #9876c5;
    box-shadow: 0 3px 12px rgba(110, 84, 148, 0.1);
}

[data-theme="light"] .code-link:hover {
    border-color: rgba(110, 84, 148, 0.4);
    color: #6e5494;
    box-shadow: 0 3px 12px rgba(110, 84, 148, 0.08);
}

.demo-link:hover {
    border-color: rgba(0, 255, 136, 0.3);
    color: #33ffaa;
    box-shadow: 0 3px 12px rgba(0, 255, 136, 0.1);
}

[data-theme="light"] .demo-link:hover {
    border-color: rgba(42, 125, 95, 0.4);
    color: var(--accent);
    box-shadow: 0 3px 12px rgba(42, 125, 95, 0.08);
}

/* Terminal Glow Effect - более мягкий */
.terminal-glow {
    position: relative;
}

.terminal-glow::after {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(45deg, var(--neon), #34c78a, var(--neon));
    border-radius: 17px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

[data-theme="light"] .terminal-glow::after {
    background: linear-gradient(45deg, var(--accent), #3cb981, var(--accent));
}

.terminal-glow:hover::after {
    opacity: 0.15;
}

[data-theme="light"] .terminal-glow:hover::after {
    opacity: 0.1;
}

/* Плавное появление элементов при наведении */
.project-card > * {
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.project-card:hover > * {
    transform: translateY(0);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header-buttons {
        top: 10px;
        right: 10px;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    /* Projects Responsive */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        padding: 1.5rem;
    }
    
    .project-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .project-tech {
        gap: 0.5rem;
    }
    
    .tech-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .project-card {
        padding: 1.2rem;
    }
    
    .project-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}