/* style.css - Основные стили лендинга (Светлая тема) */

/* ===== СБРОС СТИЛЕЙ И БАЗОВЫЕ НАСТРОЙКИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Светлая цветовая палитра */
    --color-primary: #FFFFFF;           /* белый */
    --color-secondary: #F8FAFC;         /* светло-серый фон */
    --color-accent: #EF4444;           /* ярко-красный акцент */
    --color-accent2: #3B82F6;          /* синий */
    --color-text: #1E293B;             /* темно-синий текст */
    --color-text-secondary: #64748B;   /* серый текст */
    --color-border: #E2E8F0;           /* светлые границы */
    --color-success: #10B981;          /* зеленый */
    --color-warning: #F59E0B;          /* желтый */
    
    /* Тени (легкие для светлой темы) */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    
    /* Закругления */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Отступы */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-primary);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== ТИПОГРАФИЯ ===== */
h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h2.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    text-align: center;
    position: relative;
    color: var(--color-text);
}

h2.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin: var(--spacing-sm) auto var(--spacing-lg);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.highlight {
    color: var(--color-accent);
}

/* ===== КНОПКИ ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: #DC2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent2);
    border: 2px solid var(--color-accent2);
}

.btn-secondary:hover {
    background-color: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== HERO СЕКЦИЯ ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    position: relative;
    z-index: 10;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
}

.logo:hover {
    color: #DC2626;
}

.nav-phone {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.nav-phone:hover {
    color: var(--color-accent);
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 5;
}

.hero h1 {
    font-size: 3rem;
    max-width: 800px;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 1;
    object-fit: cover;
    opacity: 0.3;
    filter: brightness(1.2);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.7) 100%);
    z-index: 2;
}

.scroll-down {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-accent);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    z-index: 5;
    text-decoration: none;
    background: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== О СТУДИИ ===== */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.stat-text {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ===== УСЛУГИ ===== */
.services {
    padding: var(--spacing-xl) 0;
}

.dev-services {
    background-color: var(--color-primary);
}

.promo-services {
    background-color: var(--color-secondary);
}

.support-services {
    background-color: var(--color-primary);
}

.design-services {
    background-color: var(--color-secondary);
}

.add-services {
    background-color: var(--color-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Продвижение - широкие карточки */
.promo-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.wide-card {
    grid-column: span 1;
}

/* ===== ДИЗАЙН И КОНТЕНТ ===== */
.design-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.design-column {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.design-column:hover {
    transform: translateY(-3px);
}

.design-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.design-header i {
    font-size: 1.5rem;
}

.design-list {
    list-style: none;
}

.design-list li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-text);
    font-size: 0.95rem;
}

.design-list li i {
    color: var(--color-success);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ УСЛУГИ ===== */
.addon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.addon-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.addon-card.accent {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
    border-left: 4px solid var(--color-accent);
}

.addon-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.addon-icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.addon-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.addon-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.addon-list {
    list-style: none;
}

.addon-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.addon-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ===== ФУТЕР И КОНТАКТЫ ===== */
.footer {
    background-color: #1E293B;
    border-top: 1px solid #334155;
}

.footer-top {
    padding: var(--spacing-xl) 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.footer-column {
    padding: var(--spacing-md);
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: #CBD5E1;
}

.contact-item i {
    color: var(--color-accent);
    margin-top: 0.25rem;
    min-width: 20px;
}

.contact-item a {
    color: #E2E8F0;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
}

.contact-item a:hover {
    color: var(--color-accent);
}

.contact-item div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.social-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
    color: white;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
}

.form-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #475569;
    border-radius: var(--radius-sm);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94A3B8;
}

.form-group select option {
    background: #1E293B;
    color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.form-message {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    display: block;
}

.map-container {
    height: 100%;
    min-height: 250px;
}

.map-placeholder {
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #475569;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #CBD5E1;
}

.map-placeholder i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.map-placeholder h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.map-placeholder p {
    color: #94A3B8;
    font-size: 0.875rem;
    max-width: 200px;
}

.map-dots {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.map-dots .dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.map-dots .dot:nth-child(2) { animation-delay: 0.5s; }
.map-dots .dot:nth-child(3) { animation-delay: 1s; }
.map-dots .dot:nth-child(4) { animation-delay: 1.5s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.5); opacity: 1; }
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding: var(--spacing-md) 0;
    background-color: #0F172A;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright,
.requisites {
    color: #94A3B8;
    font-size: 0.875rem;
}

/* ===== МОДАЛЬНОЕ ОКНО ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    z-index: 1001;
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--color-accent);
}

.modal-content h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-text);
}

.modal-content .form-group input,
.modal-content .form-group textarea {
    background: white;
    border-color: var(--color-border);
    color: var(--color-text);
}

.modal-content .form-group input:focus,
.modal-content .form-group textarea:focus {
    background: white;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2.section-title { font-size: 2rem; }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
    
    h1 { font-size: 2rem; }
    h2.section-title { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .hero h1 { font-size: 2rem; }
    .hero-subtitle { font-size: 1.125rem; }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .services-grid,
    .addon-grid,
    .design-content {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2.section-title { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .service-card,
    .addon-card,
    .design-column,
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        padding: var(--spacing-lg);
    }
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ===== */
::selection {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-text);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #F1F5F9;
}

::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Анимация появления элементов */
.service-card,
.stat-card,
.addon-card,
.design-column {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Задержки для анимации */
.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }
.service-card:nth-child(7) { animation-delay: 0.7s; }
.service-card:nth-child(8) { animation-delay: 0.8s; }
.service-card:nth-child(9) { animation-delay: 0.9s; }
.service-card:nth-child(10) { animation-delay: 1s; }

/* Плавные переходы */
a, button, input, textarea, select {
    transition: all 0.3s ease;
}

/* Улучшение читаемости */
p, li, .service-desc, .addon-desc {
    line-height: 1.6;
}

/* Улучшение контрастности для доступности */
.btn-primary:focus,
.btn-secondary:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Печатные стили */
@media print {
    .hero-bg,
    .hero-overlay,
    .scroll-down,
    .modal,
    .hero-buttons .btn-secondary {
        display: none !important;
    }
    
    body {
        color: black !important;
        background: white !important;
    }
    
    .service-card,
    .stat-card,
    .addon-card {
        break-inside: avoid;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
}