/* /root/style.css */

/* --- НОВАЯ ЦВЕТОВАЯ ПАЛИТРА И ШРИФТЫ (на основе Android-приложения) --- */
:root {
    /* Цвета темной темы */
    --color-dark-bg: #0A051A; /* DeepSpaceBlue */
    --color-text-light: #E0E5FF; /* LightPeriwinkle */
    --color-text-secondary: #E0E5FC; /* SlateGray */
    --color-text-on-gradient: #0A051A;
    --color-glass-bg: rgba(10, 5, 26, 0.4); /* GlassBackgroundDark */
    --color-glass-border: rgba(224, 229, 255, 0.15);
    --color-card-bg: rgba(10, 5, 26, 0.6);

    /* Акцентные неоновые цвета */
    --color-yellow: #F8DA3E;
    --color-green: #76FF93;
    --color-cyan: #1CFBFA;
    --color-blue: #3498DB; /* Оставим для некоторых элементов */
    --color-error: #FF8A80;

    /* Градиенты */
    --gradient-accent: linear-gradient(135deg, var(--color-yellow), var(--color-green), var(--color-cyan));
    --gradient-border: linear-gradient(135deg, rgba(248, 218, 62, 0.6), rgba(118, 255, 147, 0.4), rgba(28, 251, 250, 0.6));

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden; /* ИСПРАВЛЕНО: Предотвращает горизонтальный скролл от фоновых элементов */
}

body {
    font-family: var(--font-body);
    color: var(--color-text-light);
    background-color: var(--color-dark-bg);
    line-height: 1.6;
    overflow-x: hidden; /* Важно для предотвращения горизонтальной прокрутки из-за скрытого меню */
    position: relative; /* Для псевдо-элементов */
}

/* --- НОВЫЙ ФОН "АВРОРА" --- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background:
        radial-gradient(circle at 10% 20%, rgba(248, 218, 62, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(28, 251, 250, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(118, 255, 147, 0.1) 0%, transparent 35%);
    animation: aurora-glow 25s ease-in-out infinite alternate;
}

@keyframes aurora-glow {
    0% { transform: scale(1, 1) rotate(0deg); opacity: 0.8; }
    50% { transform: scale(1.2, 1.5) rotate(10deg); opacity: 1; }
    100% { transform: scale(1, 1) rotate(0deg); opacity: 0.8; }
}

a {
    color: var(--color-cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-yellow);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-light);
    margin-bottom: 0.8em;
    line-height: 1.2;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

h1 { font-size: 3.5em; }
h2 { font-size: 2.5em; }
h3 { font-size: 1.8em; }

section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- НОВЫЙ СТИЛЬ КНОПОК --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 12px;
    background: var(--gradient-accent);
    color: var(--color-text-on-gradient);
    font-family: var(--font-heading);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    background-size: 200% auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-decoration: none;
}

.btn:hover {
    background-position: right center;
    color: var(--color-text-on-gradient);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(28, 251, 250, 0.2);
}

.btn.disabled, .btn:disabled, .btn.disabled-btn {
    opacity: 0.6;
    pointer-events: none;
    background: #3a3a50;
    color: rgba(255,255,255,0.6);
    box-shadow: none;
    cursor: not-allowed;
}

/* --- НОВЫЙ СТИЛЬ ШАПКИ --- */
.header {
    background-color: rgba(10, 5, 26, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(28, 251, 250, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.8em;
    font-weight: bold;
    color: var(--color-text-light);
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-light);
    font-size: 1.8em;
    cursor: pointer;
    padding: 5px 10px;
    z-index: 1001;
}

.nav {
    display: flex;
    flex-grow: 1;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.nav-group {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-group-toggle {
    background-color: transparent;
    border: none;
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.1em;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-group-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-group-toggle .fas {
    transition: transform 0.3s ease;
}

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

body.is-main-site .nav-main-group .nav-links,
body.is-storycraft-spa .nav-storycraft-group .nav-links {
    display: flex;
}

body.is-main-site .main-toggle,
body.is-storycraft-spa .storycraft-toggle {
    display: none;
}

.nav-group.expanded .nav-links { display: flex; }
.nav-group.expanded .nav-group-toggle .fas { transform: rotate(180deg); }

.nav a {
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.1em;
    position: relative;
    padding: 5px 0;
}

.nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.4s ease;
}

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

.footer {
    background-color: transparent; /* Сделаем прозрачным, фон от body */
    color: var(--color-text-secondary);
    padding: 40px 20px;
    text-align: center;
    font-size: 0.9em;
    border-top: 1px solid rgba(28, 251, 250, 0.2);
}

.footer .social-links a {
    margin: 0 15px;
    font-size: 1.5em;
    color: var(--color-text-secondary);
    transition: transform 0.3s ease, color 0.3s ease;
}

.footer .social-links a:hover {
    color: var(--color-cyan);
    transform: translateY(-3px);
}

.hero {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 80px 20px;
    background-color: transparent;
    color: var(--color-text-light);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
    animation: fade-in-up 1.2s ease-out forwards;
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
    font-size: 4em; /* Немного уменьшил для баланса */
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(28, 251, 250, 0.3);
}

.hero p {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 700px;
    color: var(--color-text-secondary);
}

/* --- НОВЫЙ УТИЛИТАРНЫЙ КЛАСС ДЛЯ СТЕКЛЯННЫХ КАРТОЧЕК --- */
.glass-card {
    background-color: var(--color-glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    border: 1.5px solid transparent;
    background-clip: padding-box;
    border-image: var(--gradient-border) 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 30px;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.project-card {
    background-color: var(--color-glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    border: 1.5px solid transparent;
    background-clip: padding-box;
    border-image: var(--gradient-border) 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 30px;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.project-card h3 {
    font-size: 1.8em;
    margin-bottom: 10px;
    color: var(--color-yellow);
}

.project-card p {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
}

.project-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: auto;
}
.project-card-actions .btn {
    flex-grow: 1;
    width: auto;
}

.app-details {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.detail-section {
    display: flex;
    align-items: center;
    gap: 40px;
    text-align: left;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.detail-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.detail-section:nth-child(even) {
    flex-direction: row-reverse;
}

.detail-section-text {
    flex: 1;
}

.detail-section-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.detail-section-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.detail-section-image img:hover {
    transform: scale(1.02);
}

.app-features ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.app-features li {
    background-color: var(--color-card-bg);
    padding: 25px;
    border-radius: 12px;
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    border: 1px solid var(--color-glass-border);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.app-features li:hover {
    transform: translateY(-5px);
    background-color: rgba(10, 5, 26, 0.8);
}

.app-features li .fas {
    font-size: 1.5em;
    margin-top: 5px;
    min-width: 24px;
    color: var(--color-yellow);
}

.app-mockups {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.mockup-item {
    width: 280px;
    background-color: var(--color-card-bg);
    border-radius: 16px;
    border: 1px solid var(--color-glass-border);
    padding: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mockup-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.mockup-item img {
    max-width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
}

.download-section {
    background-color: var(--color-glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    border: 1.5px solid transparent;
    background-clip: padding-box;
    border-image: var(--gradient-border) 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    padding: 60px 20px;
    margin-top: 60px;
    text-align: center;
}

.download-section h2 {
    color: var(--color-yellow);
    margin-bottom: 30px;
}

.download-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    justify-content: center;
}

.download-option-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--color-glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.download-option-card:hover {
    transform: translateY(-5px);
    background-color: rgba(10, 5, 26, 0.9);
}

.download-option-card h3 {
    color: var(--color-cyan);
    margin-bottom: 15px;
    font-size: 1.6em;
}

.download-option-card p {
    color: var(--color-text-secondary);
    margin-bottom: 25px;
    flex-grow: 1;
}

.download-option-card .btn {
    width: 100%;
    margin-top: auto;
}

.small-text {
    font-size: 0.8em;
    color: var(--color-text-secondary);
    margin-top: 10px;
}

#contact .social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

#contact .contact-text-before-button {
    margin-bottom: 25px;
}

/* Адаптивность */
@media (max-width: 900px) {
    h1 { font-size: 2.8em; }
    h2 { font-size: 2.2em; }
    .hero h1 { font-size: 3em; }
    .hero p { font-size: 1.1em; }

    .detail-section {
        flex-direction: column;
        text-align: center;
    }
    .detail-section:nth-child(even) {
        flex-direction: column;
    }
    .app-features ul { grid-template-columns: 1fr; }

    .mobile-menu-toggle { display: block; }
    
    /* ИСПРАВЛЕНО: Скрытие мобильного меню */
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: #0A051A;
        border-left: 1px solid rgba(28, 251, 250, 0.2);
        z-index: 999;
        overflow-y: auto;
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 20px 20px 20px;
        gap: 0;
        justify-content: flex-start;
        
        /* Используем transform и visibility для более надежного скрытия */
        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), visibility 0.4s;
    }

    .nav.active {
        transform: translateX(0);
        visibility: visible;
    }

    .nav-group {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 20px;
    }
    .nav-group:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .nav-group-toggle {
        display: flex;
        width: 100%;
        justify-content: space-between;
        font-size: 1.3em;
        padding: 10px 0;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin-top: 15px;
    }

    .nav-group.expanded .nav-links { display: flex; }
    .nav-group.expanded .nav-group-toggle .fas { transform: rotate(180deg); }

    .nav a { font-size: 1.1em; width: 100%; padding: 8px 0; }
    .nav a::after { display: none; }
}

@media (max-width: 600px) {
    h1 { font-size: 2.2em; }
    h2 { font-size: 1.8em; }
    .hero h1 { font-size: 2.5em; }
    .hero p { font-size: 1em; }
    .logo { font-size: 1.5em; }

    section { padding: 60px 15px; }

    .btn { padding: 12px 25px; font-size: 0.9em; }

    .download-options-grid, .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card-actions {
        flex-direction: column;
        gap: 10px;
    }
    .project-card-actions .btn {
        width: 100%;
    }
}