/* === БАЗОВЫЕ СТИЛИ === */
:root {
    --primary: #000000;
    --primary-dark: #111111;
    --secondary: #333333;
    --dark: #0a0a0a;
    --dark-blue: #0c1424;
    --light: #ffffff;
    --gray-light: #f0f0f0;
    --gray: #888888;
    --gray-dark: #444444;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.4);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --border-radius-sm: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-blue) 100%);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === ПРЕЛОАДЕР === */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader-inner {
    text-align: center;
    padding: 2rem;
}

.loader-circle {
    width: 4rem;
    height: 4rem;
    border: 3px solid var(--glass-border);
    border-top-color: var(--light);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    animation: spin 1s linear infinite;
}

.loader-line {
    width: 12.5rem;
    height: 0.25rem;
    background: var(--glass);
    border-radius: 0.125rem;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.loader-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--light), transparent);
    animation: shimmer 1.5s infinite;
}

.loader-text {
    margin-top: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.125rem;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* === ЛОГО НА ВЕСЬ ЭКРАН === */
.fullscreen-logo {
    height: 100vh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: 
        radial-gradient(circle at 20% 30%, #0a0a0a 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, #0c1424 0%, transparent 50%),
        linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #0c1424 100%);
    padding: 1rem;
    overflow: hidden;
}

.logo-content {
    text-align: center;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    padding: 0 1rem;
}

.logo-text {
    font-size: clamp(3rem, 12vw, 10rem);
    font-weight: 900;
    color: var(--light);
    text-transform: uppercase;
    letter-spacing: -0.05em;
    line-height: 0.9;
    margin-bottom: 0.5rem;
    position: relative;
}

.logo-text::after {
    content: '.tech';
    color: var(--gray);
    font-size: 0.4em;
    vertical-align: super;
    margin-left: -0.2em;
}

.logo-subtitle {
    font-size: clamp(0.875rem, 2vw, 1.2rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 3rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mouse {
    width: 1.875rem;
    height: 3.125rem;
    border: 2px solid var(--glass-border);
    border-radius: 1.25rem;
    margin-bottom: 0.625rem;
    position: relative;
}

.wheel {
    width: 0.25rem;
    height: 0.625rem;
    background: var(--light);
    border-radius: 0.125rem;
    position: absolute;
    top: 0.625rem;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

.scroll-indicator p {
    font-size: 0.75rem;
    letter-spacing: 0.125rem;
    opacity: 0.7;
    text-transform: uppercase;
}

/* === НАВИГАЦИЯ === */
.navbar {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2rem);
    max-width: 1200px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 0.75rem 1.5rem;
    z-index: 1000;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.navbar.visible {
    opacity: 1;
    visibility: visible;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-logo {
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--light);
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.nav-logo::after {
    content: '.tech';
    color: var(--gray);
    font-size: 0.8em;
}

.menu-toggle {
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.375rem;
    z-index: 1001;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 1.5rem;
    height: 0.125rem;
    background: var(--light);
    border-radius: 0.125rem;
    transition: var(--transition);
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(0.5rem) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-0.5rem) rotate(-45deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-light);
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link i {
    font-size: 1rem;
}

.nav-link:hover {
    color: var(--light);
    background: var(--glass-hover);
}

/* === DROPDOWN TEAMSPEAK === */
.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(0.625rem);
    width: 17.5rem;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-hover);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.ts-info h4 {
    color: var(--light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-align: center;
    font-weight: 600;
}

.ip-address {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    margin-bottom: 1rem;
    word-break: break-all;
}

.ip-address:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.ip-address.copied {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.copy-hint {
    display: block;
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.ts-connect {
    width: 100%;
    background: linear-gradient(135deg, #000 0%, #222 100%);
    border: 1px solid var(--glass-border);
    color: var(--light);
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.ts-connect:hover {
    background: linear-gradient(135deg, #111 0%, #333 100%);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-0.125rem);
}

/* === ОСНОВНОЙ КОНТЕНТ === */
.main-content {
    position: relative;
    z-index: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--light);
    letter-spacing: -0.02em;
}

/* === ПРОЕКТЫ === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-0.5rem);
    box-shadow: var(--shadow-hover);
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--light);
}

.project-card p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.project-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    align-self: flex-start;
}

.status-in-progress {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    position: relative;
    overflow: hidden;
}

.status-in-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

.status-completed {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
}

/* === НАВЫКИ === */
.skills-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 62.5rem;
    margin: 0 auto;
}

.skill-tag {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: default;
    user-select: none;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.skill-tag:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-0.25rem) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* === КОНТАКТЫ === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
    gap: 1.5rem;
    max-width: 50rem;
    margin: 0 auto;
}

.contact-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-0.5rem);
}

.contact-card i {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
    color: var(--light);
    background: rgba(255, 255, 255, 0.05);
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.contact-card:hover i {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.1);
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--light);
}

.contact-card p {
    color: var(--gray);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* === ФУТЕР === */
.footer {
    text-align: center;
    padding: 2rem 1rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 3rem;
    font-weight: 300;
    font-size: 0.875rem;
    color: var(--gray);
}

.footer-links {
    margin-top: 0.5rem;
}

/* === СКРЫТАЯ АДМИНКА === */
.admin-access {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9998;
    display: none;
}

.access-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.access-overlay.active {
    opacity: 1;
}

.access-modal {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    width: 90%;
    max-width: 400px;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-hover);
}

.access-modal.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.access-modal h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.access-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.access-form input {
    padding: 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--light);
    font-size: 1rem;
    transition: var(--transition);
}

.access-form input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: var(--glass-hover);
}

.access-form button {
    padding: 1rem;
    background: linear-gradient(135deg, #000 0%, #222 100%);
    border: 1px solid var(--glass-border);
    color: var(--light);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.access-form button:hover {
    background: linear-gradient(135deg, #111 0%, #333 100%);
    transform: translateY(-0.125rem);
}

.access-hint {
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 1rem;
}

.close-access {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    color: var(--gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-access:hover {
    color: var(--light);
    background: var(--glass);
}

.admin-floater {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    cursor: pointer;
    z-index: 100;
    transition: var(--transition);
    opacity: 0.5;
}

.admin-floater:hover {
    opacity: 1;
    color: var(--light);
    background: rgba(10, 10, 10, 0.95);
    transform: scale(1.1);
}

/* === АНИМАЦИИ === */
@keyframes spin {
    100% { transform: rotate(360deg); }
}

@keyframes shimmer {
    100% { left: 100%; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-0.625rem); }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(1.25rem);
    }
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 1024px) {
    .navbar {
        padding: 0.75rem 1.25rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
    }
    
    .section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .fullscreen-logo {
        min-height: 500px;
    }
    
    .logo-text {
        font-size: clamp(2.5rem, 10vw, 8rem);
    }
    
    .navbar {
        width: calc(100% - 1rem);
        padding: 0.625rem 1rem;
        border-radius: 40px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        transition: var(--transition);
        border-left: 1px solid var(--glass-border);
        padding: 2rem;
        margin: 0;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
        width: 100%;
        justify-content: center;
    }
    
    .nav-link i {
        font-size: 1.25rem;
    }
    
    .dropdown-content {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0.9);
        width: 90%;
        max-width: 300px;
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-dropdown.active .dropdown-content {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, -50%) scale(1);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        margin-bottom: 2rem;
    }
    
    .admin-floater {
        bottom: 1rem;
        right: 1rem;
        width: 3rem;
        height: 3rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .fullscreen-logo {
        min-height: 400px;
        padding: 0.5rem;
    }
    
    .logo-text {
        font-size: clamp(2rem, 8vw, 6rem);
    }
    
    .logo-subtitle {
        letter-spacing: 0.2em;
        margin-bottom: 2rem;
    }
    
    .scroll-indicator {
        bottom: 1.5rem;
    }
    
    .navbar {
        border-radius: 30px;
        padding: 0.5rem 0.75rem;
    }
    
    .nav-logo {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        max-width: 100%;
        border-left: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .contact-card i {
        width: 4rem;
        height: 4rem;
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .skills-cloud {
        gap: 0.75rem;
    }
    
    .skill-tag {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }
    
    .project-card {
        padding: 1.25rem;
    }
    
    .project-card h3 {
        font-size: 1.25rem;
    }
    
    .footer {
        padding: 1.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .access-modal {
        padding: 1.5rem;
    }
}