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

:root {
    --primary: #f97316;
    --primary-dark: #ea580c;
    --primary-light: #fdba74;
    --primary-glow: rgba(249, 115, 22, 0.3);
    --dark: #0a0a0a;
    --dark-card: #111111;
    --dark-soft: #1a1a1a;
    --gray: #2a2a2a;
    --gray-light: #a0a0a0;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-soft: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, rgba(234, 88, 12, 0.15) 100%);
    --error-red: #ef4444;
    --success-green: #10b981;
    --warning-yellow: #f59e0b;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark);
    color: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

/* Анимированный фон */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, var(--primary-glow) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(234, 88, 12, 0.15) 0%, transparent 35%),
        repeating-linear-gradient(45deg, rgba(249, 115, 22, 0.02) 0px, rgba(249, 115, 22, 0.02) 2px, transparent 2px, transparent 8px);
    z-index: 0;
}

/* Сетка */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(249, 115, 22, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249, 115, 22, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    width: 100%;
}

/* Главная карточка */
.construction-card {
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(249, 115, 22, 0.15);
    border-radius: 48px;
    padding: 4rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(249, 115, 22, 0.1) inset;
    position: relative;
    overflow: hidden;
}

/* Анимированная полоска сверху */
.construction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    animation: loadingProgress 2s ease-in-out infinite;
    box-shadow: 0 0 20px var(--primary);
}

@keyframes loadingProgress {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

/* Логотип */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    position: relative;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    box-shadow: 0 10px 30px var(--primary-glow);
    transform: rotate(0deg);
    transition: transform 0.5s ease;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(5deg) scale(1.05); }
    75% { transform: rotate(-5deg) scale(1.05); }
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-badge {
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: 100px;
    padding: 0.35rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-left: 1rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    animation: badgePulse 2s infinite;
}

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

/* Главный заголовок */
h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

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

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--gradient);
    opacity: 0.2;
    filter: blur(8px);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--gray-light);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.7;
}

/* Терминал / Окно с кодом */
.terminal-window {
    background: var(--dark-card);
    border-radius: 24px;
    border: 1px solid var(--gray);
    margin-bottom: 3rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: var(--dark-soft);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--gray);
}

.terminal-dots {
    display: flex;
    gap: 0.5rem;
}

.terminal-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
    color: var(--gray-light);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.terminal-status {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(249, 115, 22, 0.1);
    padding: 0.35rem 1rem;
    border-radius: 100px;
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: blink 1s infinite;
}

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

.status-text {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
}

.terminal-body {
    padding: 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    min-height: 200px;
}

.terminal-line {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    opacity: 0;
    animation: fadeInLine 0.3s ease forwards;
}

.terminal-line .prompt {
    color: var(--primary);
    font-weight: 500;
    white-space: nowrap;
}

.terminal-line .command {
    color: var(--white);
}

.terminal-line .output {
    color: var(--gray-light);
    margin-left: 2rem;
}

.terminal-line .error {
    color: var(--error-red);
}

.terminal-line .success {
    color: var(--success-green);
}

.terminal-line .warning {
    color: var(--warning-yellow);
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 1.4em;
    background: var(--primary);
    margin-left: 0.25rem;
    animation: cursorBlink 1s infinite;
    vertical-align: middle;
}

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

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

/* Прогресс */
.progress-section {
    margin-bottom: 3rem;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    color: var(--gray-light);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.progress-bar {
    height: 12px;
    background: var(--gray);
    border-radius: 100px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 10%;
    background: var(--gradient);
    border-radius: 100px;
    position: relative;
    animation: progressPulse 2s ease-in-out infinite;
    box-shadow: 0 0 20px var(--primary-glow);
}

@keyframes progressPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Сетка фич */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--gray);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    background: rgba(249, 115, 22, 0.05);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.1);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: var(--gray-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Футер */
.footer-note {
    margin-top: 4rem;
    color: var(--gray-light);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.code-symbol {
    color: var(--primary);
    font-family: 'JetBrains Mono', monospace;
}

/* Оптимизированная мобильная версия */
@media (max-width: 1024px) {
    h1 {
        font-size: 3.5rem;
    }
    
    .construction-card {
        padding: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0.75rem;
    }
    
    h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .construction-card {
        padding: 1.5rem;
        border-radius: 28px;
    }
    
    .logo {
        margin-bottom: 2rem;
        gap: 0.75rem;
    }
    
    .logo-text {
        font-size: 1.8rem;
    }
    
    .logo-icon {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
        border-radius: 14px;
    }
    
    .logo-badge {
        padding: 0.25rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
        line-height: 1.6;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 2rem;
    }
    
    .feature-item {
        padding: 1.25rem;
    }
    
    .feature-icon {
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }
    
    .feature-title {
        font-size: 1.1rem;
    }
    
    .feature-desc {
        font-size: 0.85rem;
    }
    
    .terminal-window {
        margin-bottom: 2rem;
        border-radius: 20px;
    }
    
    .terminal-header {
        padding: 0.75rem 1rem;
    }
    
    .terminal-dot {
        width: 12px;
        height: 12px;
    }
    
    .terminal-title {
        font-size: 0.8rem;
    }
    
    .terminal-status {
        padding: 0.25rem 0.75rem;
    }
    
    .status-text {
        font-size: 0.75rem;
    }
    
    .terminal-body {
        padding: 1.25rem;
    }
    
    .progress-section {
        margin-bottom: 2rem;
    }
    
    .footer-note {
        margin-top: 2rem;
        font-size: 0.8rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }
    
    .construction-card {
        padding: 1.25rem;
        border-radius: 24px;
    }
    
    h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .gradient-text::after {
        bottom: 2px;
        height: 6px;
    }
    
    .logo {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }
    
    .logo-badge {
        display: inline-block;
        margin-left: 0;
        font-size: 0.7rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .terminal-body {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    .terminal-line {
        flex-direction: column;
        gap: 0.15rem;
        margin-bottom: 0.5rem;
    }
    
    .terminal-line .output {
        margin-left: 0;
    }
    
    .terminal-line .prompt {
        display: none;
    }
    
    .cursor {
        height: 1.2em;
    }
    
    .progress-label {
        font-size: 0.85rem;
    }
    
    .progress-bar {
        height: 8px;
    }
    
    .feature-item {
        padding: 1rem;
    }
    
    .feature-item:active {
        transform: scale(0.98);
    }
    
    .footer-note {
        margin-top: 1.5rem;
        font-size: 0.75rem;
    }
}

/* Дополнительная оптимизация для очень маленьких экранов */
@media (max-width: 360px) {
    .construction-card {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
    }
    
    .subtitle {
        font-size: 0.85rem;
    }
    
    .terminal-line {
        font-size: 0.75rem;
    }
    
    .feature-title {
        font-size: 1rem;
    }
    
    .feature-desc {
        font-size: 0.8rem;
    }
}

/* Улучшение touch-взаимодействия */
@media (hover: none) and (pointer: coarse) {
    .feature-item:hover {
        transform: none;
        border-color: var(--gray);
        background: rgba(255, 255, 255, 0.02);
    }
    
    .feature-item:active {
        background: rgba(249, 115, 22, 0.1);
        border-color: var(--primary);
    }
    
    .logo-icon {
        animation: none;
    }
    
    .logo-icon:active {
        transform: scale(0.95);
    }
}

/* Дополнительные анимации для мобильных */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.floating-cursor {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}