:root {
    --bg-color: #0A0A0A;
    --text-color: #EAEAEA;
    --accent-color: #C4B5A0;
    --secondary-text-color: #888;
    --card-bg-color: #141414;
    --border-color: #222;
}

/* Fallback для старых браузеров без поддержки CSS variables */
body {
    background-color: #0A0A0A; /* fallback */
    background-color: var(--bg-color);
    color: #EAEAEA; /* fallback */
    color: var(--text-color);
}

.ascii-art {
    color: #888; /* fallback */
    color: var(--secondary-text-color);
}

.nav-link {
    color: #888; /* fallback */
    color: var(--secondary-text-color);
}

.metric span {
    color: #C4B5A0; /* fallback */
    color: var(--accent-color);
}

.cta-button {
    color: #C4B5A0; /* fallback */
    color: var(--accent-color);
}

.expertise-item {
    background-color: #141414; /* fallback */
    background-color: var(--card-bg-color);
    border-color: #222; /* fallback */
    border-color: var(--border-color);
}

.content-section {
    border-bottom-color: #222; /* fallback */
    border-bottom-color: var(--border-color);
}

h2::after {
    background: -webkit-linear-gradient(left, #C4B5A0 0%, rgba(196,181,160,0) 100%); /* fallback */
    background: -webkit-linear-gradient(left, var(--accent-color) 0%, rgba(196,181,160,0) 100%);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

/* --- Skip Link для доступности --- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-color);
    color: #0A0A0A;
    padding: 8px 12px;
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 0 0 4px 4px;
    z-index: 9999;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}

/* --- Основной контейнер (теперь слева с отступом) --- */
.page-container {
    max-width: 900px;
    margin: 0;
    margin-left: 80px; /* Размещаем слева с отступом */
    padding: 0 40px 0 0; /* Отступ только справа */
}

/* --- Навигация --- */
.main-nav {
    padding: 40px 0 30px;
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 1000;
    display: flex;
    gap: 30px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}
.nav-link {
    color: var(--secondary-text-color);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}
.nav-link:hover { color: var(--text-color); }
.nav-link.active { color: #fff; }
.nav-link.active::after { transform: scaleX(1); transform-origin: left; }

/* --- Основной контент --- */
section, header { 
    padding: 80px 0; 
    opacity: 1; /* Убираю скрытие по умолчанию */
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-align: left; /* Выравнивание по левому краю */
}
header#hero { padding-top: 40px; }
.content-section { border-bottom: 1px solid var(--border-color); }

h2 { 
    font-size: 2.8rem; 
    margin-bottom: 50px; 
    position: relative; 
    padding-bottom: 15px;
}
h2::after { 
    content: ''; 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    width: 70px; 
    height: 4px; 
    background: linear-gradient(90deg, var(--accent-color) 0%, rgba(196,181,160,0) 100%);
    background: -webkit-linear-gradient(left, var(--accent-color) 0%, rgba(196,181,160,0) 100%);
    background: -moz-linear-gradient(left, var(--accent-color) 0%, rgba(196,181,160,0) 100%);
    -webkit-transform: scaleX(0);
    -moz-transform: scaleX(0);
    -ms-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: left;
    -moz-transform-origin: left;
    -ms-transform-origin: left;
    transform-origin: left;
    -webkit-transition: -webkit-transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -moz-transition: -moz-transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -o-transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Анимация градиентной линии при скролле */
h2.line-visible::after {
    -webkit-transform: scaleX(1);
    -moz-transform: scaleX(1);
    -ms-transform: scaleX(1);
    transform: scaleX(1);
}

/* Дополнительная пульсация для активной линии */
h2.line-visible::after {
    -webkit-animation: lineGlow 3s ease-in-out infinite;
    -moz-animation: lineGlow 3s ease-in-out infinite;
    animation: lineGlow 3s ease-in-out infinite;
}

h3 {
    margin-top: 2em;
}

@-webkit-keyframes lineGlow {
    0%, 100% { 
        opacity: 1;
        -webkit-filter: brightness(1);
        filter: brightness(1);
    }
    50% { 
        opacity: 0.8;
        -webkit-filter: brightness(1.2);
        filter: brightness(1.2);
    }
}

@keyframes lineGlow {
    0%, 100% { 
        opacity: 1;
        -webkit-filter: brightness(1);
        filter: brightness(1);
    }
    50% { 
        opacity: 0.8;
        -webkit-filter: brightness(1.2);
        filter: brightness(1.2);
    }
}
p { margin-bottom: 20px; font-weight: 300; text-align: left; }
strong { color: var(--text-color); font-weight: 500; }
h1, h2, h3, h4, h5, h6 { text-align: left; }
ul, li { text-align: left; }

/* --- Hero Section --- */
#hero { min-height: calc(100vh - 200px); display: flex; flex-direction: column; justify-content: center; border: none; }
.hero-title { font-size: 4.5rem; margin-bottom: 10px; }
.hero-subtitle { font-size: 1.5rem; color: var(--secondary-text-color); margin-bottom: 40px; font-weight: 300; max-width: 80%; }
.metrics { display: flex; gap: 40px; margin-bottom: 50px; flex-wrap: wrap; }
.metric { 
    transition: all 0.6s ease;
}
.metric span { display: block; font-size: 2.8rem; font-weight: 700; color: var(--accent-color); }
.metric p { font-size: 1rem; color: var(--secondary-text-color); margin: 0; }

/* --- Кнопки как элегантные ссылки --- */
.cta-button {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 400;
    transition: all 0.25s ease;
    cursor: pointer;
    position: relative;
    letter-spacing: 0.3px;
}
.cta-button::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}
.cta-button:hover {
    color: var(--text-color);
}
.cta-button:hover::after {
    transform: scaleX(1);
}

/* --- Специальная главная кнопка --- */
.main-cta {
    font-size: 1rem !important;
    font-weight: 500 !important;
    margin-top: 20px;
}

/* --- Секции с контентом --- */
.expertise-grid { display: grid; grid-template-columns: 1fr; gap: 25px; }
.expertise-item, .portfolio-item { 
    background-color: var(--card-bg-color); 
    padding: 30px; 
    border-radius: 8px; 
    border: 1px solid var(--border-color); 
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.expertise-item:hover { 
    transform: translateY(-8px) scale(1.02); 
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(196, 181, 160, 0.1);
}
.portfolio-item { background-color: transparent; padding: 0; border: none; }
ul { list-style: none; }
.expertise-item li { padding-left: 20px; position: relative; color: var(--secondary-text-color); }
.expertise-item li::before { content: '✓'; color: var(--accent-color); position: absolute; left: 0; }
.portfolio-item li { margin-bottom: 10px; padding-left: 20px; position: relative; }
.portfolio-item li::before { content: '›'; font-weight: bold; color: var(--accent-color); position: absolute; left: 0; top: -2px; font-size: 1.2rem; }

/* --- Футер и копирайт --- */
footer { text-align: left; }
.copyright { padding: 80px 0; text-align: left; }
.copyright p { color: var(--secondary-text-color); opacity: 0.5; font-size: 0.8rem; margin: 0; }

/* --- ASCII Арт (улучшенные эффекты) --- */
.ascii-background {
    position: fixed;
    bottom: 0;
    right: 40px;
    z-index: -1;
    pointer-events: all;
    transition: all 0.4s ease;
}
.ascii-art {
    font-family: 'Fira Code', monospace;
    font-size: 8px;
    line-height: 0.9;
    white-space: pre;
    color: #f7f7f7;
    opacity: 0.25;
    -webkit-transition: all 1.2s ease;
    -moz-transition: all 1.2s ease;
    -o-transition: all 1.2s ease;
    transition: all 1.2s ease;
    position: relative;
    cursor: default;
    -webkit-filter: blur(0px);
    filter: blur(0px);
    -webkit-animation: asciiGentle 12s ease-in-out infinite;
    -moz-animation: asciiGentle 12s ease-in-out infinite;
    animation: asciiGentle 12s ease-in-out infinite;
}

/* Глобальный эффект при hover на ASCII */
.ascii-background:hover .ascii-art {
    opacity: 0.55;
    color: var(--accent-color);
    -webkit-filter: blur(0px) brightness(1.1);
    filter: blur(0px) brightness(1.1);
}

/* Новая мягкая анимация ASCII с вендорными префиксами */
@-webkit-keyframes asciiGentle {
    0%, 100% { 
        opacity: 0.12;
        -webkit-filter: brightness(1) saturate(1);
        filter: brightness(1) saturate(1);
    }
    33% { 
        opacity: 0.18;
        -webkit-filter: brightness(1.05) saturate(1.1);
        filter: brightness(1.05) saturate(1.1);
    }
    66% { 
        opacity: 0.22;
        -webkit-filter: brightness(1.02) saturate(1.05);
        filter: brightness(1.02) saturate(1.05);
    }
}

@keyframes asciiGentle {
    0%, 100% { 
        opacity: 0.12;
        -webkit-filter: brightness(1) saturate(1);
        filter: brightness(1) saturate(1);
    }
    33% { 
        opacity: 0.18;
        -webkit-filter: brightness(1.05) saturate(1.1);
        filter: brightness(1.05) saturate(1.1);
    }
    66% { 
        opacity: 0.22;
        -webkit-filter: brightness(1.02) saturate(1.05);
        filter: brightness(1.02) saturate(1.05);
    }
}

/* --- Адаптивность --- */
@media (max-width: 1200px) {
    .ascii-background { display: none; }
    .page-container {
        margin-left: 40px;
    }
}
@media (max-width: 768px) {
    .page-container { 
        padding: 0 20px; 
        margin-left: 20px;
    }
    .main-nav { display: none; }
    .hero-title { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    .hero-subtitle { font-size: 1.2rem; max-width: 100%; }
    .metrics { flex-direction: column; gap: 20px; }
}