/* Стили для лендинга ModuLux */

/* CSS-переменные и настройка темы */
:root {
    --bg-primary: #0a0b0d;
    --bg-secondary: #131518;
    --bg-glass: rgba(19, 21, 24, 0.75);
    --accent: #d4af37; /* Warm Gold */
    --accent-rgb: 212, 175, 55;
    --accent-hover: #f1c40f;
    --text-primary: #f5f5f7;
    --text-secondary: #8d929a;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(212, 175, 55, 0.4);
    
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Montserrat', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.25s ease;
}

/* Сброс базовых стилей */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-ui);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    transition: var(--transition-fast);
}

/* Утилитарные контейнеры */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Шапка и Навигация */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    background: transparent;
    transition: var(--transition-smooth);
}

.header.scrolled {
    padding: 14px 0;
    background: rgba(10, 11, 13, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--accent);
    margin-right: 1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.phone-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}

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

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition-smooth);
    letter-spacing: 0.3px;
}

.btn-primary {
    background-color: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.25);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background-color: var(--accent);
    color: #000;
}

.btn-block {
    width: 100%;
}

/* Меню-бургер */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 110;
}

.burger-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

.burger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.burger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Мобильное меню наложения */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-primary);
    z-index: 95;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.mobile-phone-link {
    margin-top: 16px;
    font-size: 1.2rem;
    color: var(--accent);
}

/* Секция Hero */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    background-image: url('assets/images/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 11, 13, 0.95) 0%, rgba(10, 11, 13, 0.7) 40%, rgba(10, 11, 13, 0.2) 70%, rgba(10, 11, 13, 0.8) 100%), 
                linear-gradient(0deg, rgba(10, 11, 13, 1) 0%, rgba(10, 11, 13, 0) 30%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: calc(100vh - 220px);
}

.hero-content {
    max-width: 680px;
    margin-top: auto;
    margin-bottom: auto;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--accent);
    display: block;
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 48px;
    margin-top: auto;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
    max-width: 750px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-num {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Общие стили секций */
section {
    padding: 100px 0;
    scroll-margin-top: 80px; /* Offset for sticky header */
}

.section-header {
    max-width: 640px;
    margin-bottom: 60px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-tag {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.3px;
}

.section-subtitle {
    margin-top: 16px;
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Карточки с эффектом стекла (Glassmorphism) */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
}

/* Секция "О технологии" */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-left .section-header {
    margin-bottom: 0;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    height: 380px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.about-image-wrapper:hover .about-img {
    transform: scale(1.05);
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 11, 13, 0) 50%, rgba(10, 11, 13, 0.7) 100%);
    pointer-events: none;
}

.about-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.about-card:hover, .about-card.active {
    border-color: var(--accent);
    transform: translateX(8px);
    background-color: rgba(212, 175, 55, 0.02);
    transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.about-card.active {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.about-card-num {
    font-family: var(--font-serif); /* Montserrat */
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--accent);
    line-height: 1;
    flex-shrink: 0;
    border-bottom: 1.5px solid var(--accent);
    padding-bottom: 2px;
    letter-spacing: -1px;
}

.about-image-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(10, 11, 13, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--text-secondary);
    text-transform: uppercase;
    pointer-events: none;
}

.about-card-content-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.about-card-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 500;
}

.about-card-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Секция интерактивного разреза */
.cutaway-section {
    background-color: var(--bg-secondary);
}

.cutaway-container {
    width: 100%;
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

.cutaway-wrapper {
    position: relative;
    max-width: 1000px;
    width: 100%;
    background-color: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

.cutaway-img {
    width: 100%;
    height: auto;
    display: block;
    user-select: none;
}

.cutaway-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

.svg-zone {
    fill: rgba(var(--accent-rgb), 0);
    stroke: rgba(var(--accent-rgb), 0.25);
    stroke-width: 1;
    stroke-dasharray: 4 4;
    transition: var(--transition-fast);
    cursor: pointer;
}

.svg-zone:hover, .svg-zone.highlighted {
    fill: rgba(var(--accent-rgb), 0.15);
    stroke: var(--accent);
    stroke-dasharray: 0;
    stroke-width: 2.5;
}

/* Горячие точки (Hotspots) на HTML */
.hotspot {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(10, 11, 13, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--accent);
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    z-index: 15;
    transform: translate(-50%, -50%);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hotspot:hover, .hotspot.hovered {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: 0 8px 30px rgba(var(--accent-rgb), 0.4);
}

.hotspot-label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    pointer-events: none;
    text-transform: uppercase;
}

/* Секция калькулятора / конфигуратора */
.calc-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    align-items: start;
}

.calc-step {
    margin-bottom: 40px;
}

.calc-step:last-child {
    margin-bottom: 0;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.step-num {
    color: var(--accent);
    font-family: var(--font-serif);
    font-size: 1.3rem;
    border-bottom: 1px solid var(--accent);
}

/* Группа радиокнопок (карточки выбора) */
.radio-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.radio-card {
    display: block;
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
}

.radio-card input[type="radio"] {
    display: none;
}

.radio-card-content {
    display: flex;
    flex-direction: column;
    padding: 20px;
    position: relative;
}

.model-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 4px;
}

.model-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.model-price-tag {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--accent);
}

.radio-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background-color: rgba(255, 255, 255, 0.04);
}

.radio-card.selected {
    border-color: var(--accent);
    background-color: rgba(212, 175, 55, 0.04);
}

/* Группа горизонтальных радиокнопок */
.radio-group-horizontal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.radio-card-btn {
    cursor: pointer;
}

.radio-card-btn input[type="radio"] {
    display: none;
}

.radio-card-btn .btn-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    text-align: center;
    transition: var(--transition-fast);
}

.radio-card-btn:hover .btn-inner {
    border-color: rgba(255, 255, 255, 0.15);
}

.radio-card-btn.selected .btn-inner {
    border-color: var(--accent);
    color: var(--accent);
    background-color: rgba(212, 175, 55, 0.04);
}

/* Группа чекбоксов (карточки доп. опций) */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-card {
    display: flex;
    align-items: center;
    padding: 18px 20px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.checkbox-card input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 1px solid var(--text-secondary);
    border-radius: 3px;
    margin-right: 16px;
    position: relative;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--accent);
    border-color: var(--accent);
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid #000;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.addon-content {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 0.95rem;
}

.addon-name {
    color: var(--text-primary);
}

.addon-price {
    font-weight: 500;
    color: var(--accent);
}

.checkbox-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.checkbox-card.selected {
    border-color: rgba(212, 175, 55, 0.3);
    background-color: rgba(212, 175, 55, 0.01);
}

/* Панель детального чека сметы */
.calc-summary-panel {
    position: sticky;
    top: 100px;
}

.calc-preview-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1; /* Соотношение сторон 1:1 под квадратные ИИ-изображения */
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    background-color: #0c0d0f;
}

.calc-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Заполняет всю область без искажений и пустых полей */
    background-color: #0c0d0f;
    transition: var(--transition-smooth);
}

.preview-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(10, 11, 13, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
    pointer-events: none;
}

.summary-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.summary-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.summary-value {
    color: var(--text-primary);
    font-weight: 500;
}

.list-addons {
    flex-direction: column;
    gap: 8px;
}

.addons-sublist {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 12px;
    border-left: 1px solid var(--accent);
    margin-top: 4px;
}

.no-addons {
    font-style: italic;
    font-size: 0.85rem;
}

.addon-subitem {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.summary-total {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.total-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.total-price {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--accent);
}

.summary-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 16px;
    text-align: center;
}

/* Секция преимуществ */
.benefits-section {
    border-top: 1px solid var(--border-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-icon {
    font-size: 2rem;
}

.benefit-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
}

.benefit-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Подвал (Footer) */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.footer-logo {
    font-size: 1.3rem;
    margin-bottom: 12px;
    display: inline-block;
}

.footer-copy {
    font-size: 0.85rem;
}

.footer-contacts {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

/* Базовые стили модальных окон */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 11, 13, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 12px;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 2rem;
    color: var(--text-secondary);
    z-index: 10;
    transition: var(--transition-fast);
}

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

.modal-body {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
}

/* Модальное окно для деталей разреза */
.modal-img-container {
    border-radius: 6px;
    overflow: hidden;
    height: 350px;
    background-color: #000;
}

.modal-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-tag {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--accent);
    font-size: 1.05rem;
    margin-bottom: 8px;
    display: block;
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 16px;
}

.modal-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.modal-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.9rem;
}

.modal-features li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

/* Малое модальное окно для формы заявки */
.modal-small {
    max-width: 480px;
    padding: 40px;
}

.modal-form-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 12px;
    text-align: center;
}

.modal-form-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.5;
    margin-bottom: 28px;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: var(--transition-fast);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    background-color: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(255,255,255,0.06);
}

.form-consent {
    margin: -6px 0 0;
    font-size: 0.76rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.form-error {
    display: none;
    padding: 12px 14px;
    border: 1px solid rgba(214, 92, 92, 0.45);
    border-radius: 4px;
    background-color: rgba(214, 92, 92, 0.12);
    color: #ffb7b7;
    font-size: 0.85rem;
    line-height: 1.45;
}

.form-error.active {
    display: block;
}

.hidden-config {
    display: none;
}

/* Окно успешной отправки */
.success-message {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(46, 204, 113, 0.1);
    color: #2ecc71;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.success-message h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 8px;
}

.success-message p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Адаптивные медиа-запросы */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .calc-summary-panel {
        position: static;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-wrapper {
        height: 300px;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-img-container {
        height: 250px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .nav {
        display: none;
    }
    
    .header-actions {
        display: none;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .hero-section {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-container {
        min-height: auto;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding-top: 30px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .about-card {
        padding: 20px;
        gap: 16px;
    }
    
    /* Интерактивный разрез на мобильных */
    .hotspot {
        padding: 6px 14px;
        border-radius: 3px;
    }
    
    .hotspot-label {
        font-size: 0.72rem;
        letter-spacing: 0.3px;
    }
    
    /* Калькулятор на мобильных */
    .radio-card-content {
        padding: 16px;
    }
    
    .model-price-tag {
        position: static;
        transform: none;
        display: block;
        margin-top: 8px;
        font-size: 1.05rem;
    }
    
    .radio-group-horizontal {
        grid-template-columns: 1fr;
    }
    
    .checkbox-card {
        padding: 14px 16px;
    }
    
    .addon-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .addon-price {
        font-size: 0.85rem;
        color: var(--accent);
    }
    
    .glass-card {
        padding: 24px 20px;
    }
    
    /* Модальные окна на мобильных */
    .modal-content {
        width: 92%;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-close {
        top: 12px;
        right: 16px;
        font-size: 1.8rem;
    }
    
    .modal-info {
        padding-top: 10px;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .modal-text {
        font-size: 0.9rem;
    }
    
    .modal-features li {
        font-size: 0.85rem;
    }

    .footer-container {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-contacts {
        text-align: center;
    }
}