/* --- CSS VARIABLES & RESET --- */
        :root {
            --bg-color: #050505;
            --text-main: #ffffff;
            --text-secondary: #ececec;
            --accent-primary: #6366f1; /* Indigo */
            --accent-secondary: #ec4899; /* Pink */
            --accent-tertiary: #8b5cf6; /* Violet */
            --card-bg: rgba(255, 255, 255, 0.03);
            --card-border: rgba(255, 255, 255, 0.1);
            --gradient-main: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            overflow-x: hidden;
            line-height: 1.6;
        }

        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

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

        .gradient-text {
            background: var(--gradient-main);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-block;
            padding: 16px 32px;
            background: var(--gradient-main);
            color: white;
            font-weight: 700;
            border-radius: 50px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 0 0px rgba(99, 102, 241, 0.4);
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 20px rgba(235, 40, 137, 0.6);
        }

        /* --- BACKGROUND ANIMATION --- */

        html, body {
        width: 100%;
        min-height: 100vh;
        overflow-x: hidden;
        }

        .bg-blobs {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            z-index: -1;
            overflow: hidden;
        }

        .blob {
            position: absolute;
            filter: blur(80px);
            opacity: 0.4;
            transform: translate3d(0, 0, 0);
        }

        .blob-1 {
            top: -10%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: var(--accent-primary);
            border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
        }

        .blob-2 {
            bottom: -10%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: var(--accent-secondary);
            border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
        }

        /* --- HEADER --- */
        header {
            padding: 20px 0;
            position: fixed;
            width: 100%;
            height: 80px;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

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

        .logo {
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -1px;
        }

        /* --- HERO SECTION --- */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding-top: 80px;
        }

        .hero-content h1 {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -2px;
        }

        .hero-content p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 40px;
        }

        /* --- FEATURES (GLASS CARDS) --- */
        .features {
            padding: 100px 0;
        }

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

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 40px;
            border-radius: 24px;
            backdrop-filter: blur(10px);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-10px);
            border-color: var(--accent-primary);
            box-shadow: 0 10px 40px -10px rgba(99, 102, 241, 0.3);
        }

        .card-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            display: block;
        }

        .card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .card p {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        /* --- HOW IT WORKS (STEPS) --- */
        .steps {
            padding: 100px 0;
            background: rgba(255,255,255,0.02);
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .step-number {
            font-size: 4rem;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.308);
            line-height: 1;
            margin-right: 30px;
            min-width: 80px;
        }

        .step-content h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--accent-secondary);
        }

        /* --- CTA SECTION --- */
        .cta-section {
            padding: 100px 0;
            text-align: center;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
            border: 1px solid var(--card-border);
            border-radius: 30px;
            padding: 60px 20px;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -2px; left: -2px; right: -2px; bottom: -2px;
            background: var(--gradient-main);
            z-index: -1;
            border-radius: 32px;
            filter: blur(1px);
            opacity: 0.5;
        }

        /* --- FOOTER --- */
        footer {
            padding: 40px 0;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        /* --- ANIMATION CLASSES --- */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* --- AVATAR STYLES --- */
        .avatar-wrapper {
        position: relative;
        width: 160px;
        height: 160px;
        margin: 0 auto 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        }

        .avatar {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--accent-primary);
        position: relative;
        z-index: 2;
        background: #1a1a2e;
        }

        .avatar-glow {
        position: absolute;
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background: var(--gradient-main);
        filter: blur(10px);
        opacity: 0.5;
        z-index: 1;
        animation: pulse 3s infinite ease-in-out;
        }

        /* --- SCROLL ARROW --- */
        .scroll-arrow {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 10px;
           /* margin: 0 auto;*/
            margin-top: -50px;
            
            opacity: 0.6;
            transition: opacity 0.3s ease;
        }

        .scroll-arrow:hover {
            opacity: 1;
        }

        .arrow-head {
            width: 0;
            height: 0;
            border-left: 30px solid transparent;
            border-right: 30px solid transparent;
            border-top: 20px solid var(--accent-secondary);
            margin-top: 8px;
           /* animation: bounce 2s infinite ease-in-out; */
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(4px); }
        }

        @keyframes pulse {
            0%, 100% { opacity: 0.4; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.05); }
        }
        
/* --- NAVIGATION STYLES --- */
.main-nav {
    display: block; /* По умолчанию видно на десктопе */
}

.nav-list {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list a {
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-list a:hover {
    color: var(--accent-secondary);
}

/* Подчеркивание при наведении */
.nav-list a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-main);
    transition: width 0.3s ease;
}

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

/* Burger Button (скрыт на десктопе) */
.burger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 101;
}

.burger-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Анимация бургера в крестик */
.burger-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
    background: var(--accent-secondary);
}

.burger-btn.active span:nth-child(2) {
    opacity: 0;
}

.burger-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
    background: var(--accent-secondary);
}

        /* --- MOBILE ADAPTIVE --- */
@media (max-width: 768px) {
    .scroll-arrow { height: 60px; }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    .grid-3 { grid-template-columns: 1fr; }
    .step-item { flex-direction: column; }
    .step-number { margin-bottom: 10px; }
    .avatar-wrapper {width: 120px; height: 120px; margin: 0 auto 25px;}
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 100vh; /* На весь экран вниз */
        
 
        background: rgba(5, 5, 5, 0.92);
      
        opacity: 0;
        visibility: hidden;
        pointer-events: none;         
        transition: opacity 0.4s ease, visibility 0.4s ease;
        z-index: 99;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);

    }

    /* Класс, который мы вешаем через JS при открытии */
    .main-nav.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-list {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 80%; /* Центрируем контент */
        gap: 30px;
        list-style: none;
        padding: 0;
        margin: 0;
        /* Анимация появления ссылок */
        transform: translateY(-20px);
        transition: transform 0.4s ease 0.1s;
        opacity: 0;
    }

    /* Когда меню активно, ссылки выезжают */
    .main-nav.active .nav-list {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-list a {
        font-size: 1.3rem;
        font-weight: 600;
        color: #fff;
        text-decoration: none;
    }

    .burger-btn {
        display: flex;
    }
    
    header .btn {
        display: none; 
    }
}

/* --- PROMO BLOCK WRAPPER --- */
.promo-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center; /* Центрирует всё по горизонтали */
    justify-content: center;
    text-align: center;
    margin: 40px auto;
    max-width: 800px;
    position: relative;
}

.promo-wrapper h1 {
    margin-bottom: 20px; /* Отступ до кнопки */
    line-height: 1.2;
}

/* --- COPY BUTTON STYLES --- */
.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px; /* Расстояние между иконкой и текстом */
    
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 50px; /* Овальная форма */
    padding: 12px 24px;
    
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    
    outline: none;
    user-select: none;
}

/* Ховер эффект (наведение) */
.copy-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
    /*transform: translateY(-2px);*/
}

.copy-btn:active {
    transform: translateY(0);
}

/* Иконки внутри кнопки */
.copy-btn svg {
    width: 20px;
    height: 20px;
    transition: all 0.3s ease;
}

/* Скрываем галочку по умолчанию */
.icon-check {
    display: none;
    color: #4ade80; /* Зеленый цвет успеха */
}

/* Состояние "Скопировано" */
.copy-btn.copied {
    border-color: #4ade80;
    color: #4ade80;
    box-shadow: 0 0 15px rgba(74, 222, 128, 0.3);
}

.copy-btn.copied .icon-copy {
    display: none;
}

.copy-btn.copied .icon-check {
    display: block;
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Анимация появления галочки */
@keyframes popIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Текст кнопки скрываем при успехе (опционально, можно оставить) */
.copy-btn.copied .btn-text {
    content: "Скопировано!";
}
/* Хак для смены текста через CSS невозможен без JS, поэтому меняем текст в JS ниже */

/* --- TOAST NOTIFICATION --- */
#copy-toast {
    position: fixed;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--accent-primary);
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
    white-space: nowrap;
}

#copy-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Адаптив не нужен для расположения, так как flex-direction: column уже стоит. 
   Но можно чуть уменьшить кнопку на очень мелких экранах */
@media (max-width: 480px) {
    .copy-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        width: 80%; /* На совсем узких экранах кнопка будет широкой */
    }
}