:root {
    --primary: #2c7be0;
    --primary-dark: #1a68c0;
    --primary-light: #5a9eff;
    --secondary: #00d97e;
    --accent: #6b5eae;
    --dark: #12263f;
    --gray: #95aac9;
    --light: #f9fbfd;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-hover: linear-gradient(135deg, var(--primary-dark), #00b86b);
    --shadow: 0 0.75rem 1.5rem rgba(18, 38, 63, 0.03);
    --shadow-hover: 0 1rem 2.5rem rgba(18, 38, 63, 0.1);
    --transition: all 0.3s ease;
    --radius: 1rem;
    --radius-sm: 0.5rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--light);
    position: relative;
}

/* Градиентный фон */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
}

.sphere-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -100px;
    left: -100px;
    animation: float 20s ease-in-out infinite;
}

.sphere-2 {
    width: 600px;
    height: 600px;
    background: var(--secondary);
    bottom: -200px;
    right: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.sphere-3 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Прелоадер */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--gradient);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader__spinner {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.preloader__text {
    font-size: 24px;
    font-weight: 700;
    color: white;
    letter-spacing: 4px;
    animation: pulse 1.5s ease infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Шапка */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo__img {
    height: 40px;
    width: auto;
}

.logo__text {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav__list {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav__link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

.nav__link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary);
}

.nav__link:hover:after,
.nav__link.active:after {
    width: 100%;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
}

.header__phone i {
    color: var(--primary);
}

/* Кнопки */
.btn {
    padding: 12px 28px;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover:before {
    width: 300px;
    height: 300px;
}

.btn--primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(44, 123, 224, 0.3);
}

.btn--primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 123, 224, 0.4);
}

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

.btn--outline:hover {
    background: var(--gradient);
    color: white;
    border-color: transparent;
}

.btn--large {
    padding: 16px 36px;
    font-size: 16px;
}

/* Бургер */
.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.burger span {
    width: 25px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Мобильное меню */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: white;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu__list {
    list-style: none;
}

.mobile-menu__list li {
    margin: 15px 0;
}

.mobile-menu__list a {
    color: var(--dark);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
}

.mobile-menu__phone {
    font-size: 20px !important;
    color: var(--primary) !important;
    display: block;
    margin: 20px 0;
}

/* Hero секция */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.1;
}

.hero__content {
    max-width: 800px;
    position: relative;
}

.hero__subtitle {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.hero__title {
    font-size: clamp(40px, 6vw, 64px);
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero__title-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero__text {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 30px;
    max-width: 600px;
}

.hero__stats {
    display: flex;
    gap: 50px;
    margin: 40px 0;
}

.hero__stat-number {
    font-size: 42px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.hero__stat-label {
    color: var(--gray);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero__buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    cursor: pointer;
    animation: bounce 2s infinite;
}

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

/* Секции */
.section {
    padding: 80px 0;
    position: relative;
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__subtitle {
    font-size: 16px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.section__title {
    font-size: 40px;
    margin: 10px 0;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section__text {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Баннер преимуществ */
.banner {
    padding: 60px 0;
}

.banner__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.banner__item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.banner__item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.banner__icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.banner__item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark);
}

.banner__item p {
    color: var(--gray);
    font-size: 14px;
}

/* Калькулятор */
.calculator {
    background: white;
}

.calculator__wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.calculator__progress {
    height: 8px;
    background: #eef2f6;
    border-radius: 4px;
    margin-bottom: 40px;
    overflow: hidden;
}

.calculator__progress-bar {
    height: 100%;
    background: var(--gradient);
    transition: width 0.3s;
}

.calculator__step {
    display: none;
}

.calculator__step.active {
    display: block;
    animation: fadeIn 0.5s;
}

.calculator__step h3 {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--dark);
}

.calculator__options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.calculator__option {
    display: block;
    cursor: pointer;
}

.calculator__option input {
    display: none;
}

.calculator__option-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 30px 20px;
    background: var(--light);
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.calculator__option-card i {
    font-size: 32px;
    color: var(--primary);
    transition: var(--transition);
}

.calculator__option input:checked + .calculator__option-card {
    background: var(--gradient);
    color: white;
    border-color: var(--primary);
    transform: scale(1.05);
}

.calculator__option input:checked + .calculator__option-card i {
    color: white;
}

.calculator__nav {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.calculator__result-item {
    padding: 40px;
    background: var(--gradient);
    color: white;
    border-radius: var(--radius);
    text-align: center;
    margin-bottom: 30px;
}

.calculator__result-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.calculator__result-item p {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

/* Каталог */
.catalog__filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.catalog__filter {
    padding: 12px 28px;
    background: white;
    border: 1px solid #eef2f6;
    border-radius: 50px;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.catalog__filter:hover,
.catalog__filter.active {
    background: var(--gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.catalog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.02);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-card__badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
    text-transform: uppercase;
}

.product-card__badge.hit {
    background: #e63757;
    color: white;
}

.product-card__badge.new {
    background: #00d97e;
    color: white;
}

.product-card__badge.sale {
    background: #f6c343;
    color: white;
}

.product-card__image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

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

.product-card:hover .product-card__image img {
    transform: scale(1.1);
}

.product-card__content {
    padding: 20px;
}

.product-card__category {
    color: var(--primary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.product-card__title {
    font-size: 18px;
    margin: 10px 0;
    font-weight: 700;
}

.product-card__specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 15px 0;
    padding: 15px 0;
    border-top: 1px solid #eef2f6;
    border-bottom: 1px solid #eef2f6;
}

.product-card__spec {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray);
}

.product-card__spec i {
    color: var(--secondary);
    font-size: 12px;
}

.product-card__price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.product-card__price-current {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.product-card__price-old {
    font-size: 14px;
    color: var(--gray);
    text-decoration: line-through;
}

/* Отзывы */
.reviews {
    background: white;
}

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

.review-card {
    background: var(--light);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
}

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

.review-card__header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.review-card__avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.review-card__name {
    font-size: 18px;
    margin-bottom: 5px;
    font-weight: 700;
}

.review-card__role {
    color: var(--gray);
    font-size: 14px;
}

.review-card__stars {
    color: #f6c343;
    margin-bottom: 15px;
    font-size: 18px;
}

/* Партнеры */
.partners {
    background: white;
}

.partners__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    align-items: center;
}

.partners__grid img {
    width: 100%;
    max-width: 150px;
    margin: 0 auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: var(--transition);
}

.partners__grid img:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* Футер */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 20px;
    position: relative;
    overflow: hidden;
}

.footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--gradient);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer__logo img {
    height: 40px;
}

.footer__logo span {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer__col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.8;
}

.footer__social {
    display: flex;
    gap: 15px;
}

.footer__social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
    text-decoration: none;
}

.footer__social a:hover {
    background: var(--gradient);
    transform: translateY(-3px);
}

.footer__col h4 {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 700;
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin: 12px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__list a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer__list a:hover {
    color: white;
    padding-left: 5px;
}

.footer__list i {
    color: var(--secondary);
    width: 20px;
}

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Страницы (доставка, монтаж, контакты) */
.page-hero {
    padding: 140px 0 60px;
    background: var(--gradient);
    position: relative;
    overflow: hidden;
    color: white;
    text-align: center;
}

.page-hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/pattern.png') repeat;
    opacity: 0.1;
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 15px;
    position: relative;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.breadcrumbs a {
    color: white;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

/* Доставка */
.delivery-methods {
    padding: 60px 0;
}

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

.method-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.method-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.method-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.method-icon i {
    font-size: 32px;
    color: white;
}

.method-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

.method-card p {
    color: var(--gray);
    margin-bottom: 20px;
}

.method-card ul {
    list-style: none;
    text-align: left;
}

.method-card ul li {
    margin: 10px 0;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-card ul li:before {
    content: '✓';
    color: var(--secondary);
    font-weight: 700;
}

/* Таблица цен */
.delivery-price {
    background: var(--light);
}

.price-table {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.price-table table {
    width: 100%;
    border-collapse: collapse;
}

.price-table th {
    text-align: left;
    padding: 15px;
    background: var(--light);
    color: var(--dark);
    font-weight: 600;
}

.price-table td {
    padding: 15px;
    border-bottom: 1px solid #eef2f6;
}

.price-table tr:last-child td {
    border-bottom: none;
}

.price-note {
    margin-top: 20px;
    color: var(--gray);
    font-size: 14px;
    text-align: center;
}

/* Способы оплаты */
.payment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.payment-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.payment-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.payment-item i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 15px;
}

.payment-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark);
}

.payment-item p {
    color: var(--gray);
}

/* Монтаж */
.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.step-content {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    flex: 1;
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

.step-content p {
    color: var(--gray);
}

/* Цены на монтаж */
.price-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.price-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.price-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient);
    color: white;
    padding: 5px 40px;
    font-size: 14px;
    font-weight: 600;
    transform: rotate(45deg);
}

.price-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--dark);
}

.price-card .price {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 30px;
}

.price-card ul {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.price-card ul li {
    margin: 10px 0;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-card ul li:before {
    content: '✓';
    color: var(--secondary);
    font-weight: 700;
}

/* Портфолио */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 300px;
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: white;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h4 {
    font-size: 20px;
    margin-bottom: 5px;
}

/* Контакты */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-details {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eef2f6;
}

.contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--dark);
}

.contact-item p,
.contact-item a {
    color: var(--gray);
    text-decoration: none;
    line-height: 1.8;
}

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

.contact-map {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 450px;
}

/* Форма обратной связи */
.contact-form-section {
    background: var(--light);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #eef2f6;
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 123, 224, 0.1);
}

.contact-form textarea {
    margin: 20px 0;
    resize: vertical;
}

/* Реквизиты */
.requisites-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.requisites-grid p {
    margin: 10px 0;
    color: var(--gray);
}

.requisites-grid strong {
    color: var(--dark);
    font-size: 18px;
}

/* Чат */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chat-widget__toggle {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(44, 123, 224, 0.3);
    transition: var(--transition);
    position: relative;
}

.chat-widget__toggle:hover {
    transform: scale(1.1);
}

.chat-widget__badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #e63757;
    color: white;
    font-size: 12px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.chat-widget__window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 320px;
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: none;
    overflow: hidden;
}

.chat-widget__window.active {
    display: block;
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-widget__header {
    background: var(--gradient);
    color: white;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-widget__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.chat-widget__close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
}

.chat-widget__messages {
    height: 250px;
    overflow-y: auto;
    padding: 15px;
}

.chat-message {
    margin: 10px 0;
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 80%;
    word-wrap: break-word;
}

.chat-message--bot {
    background: var(--light);
    margin-right: auto;
    border-bottom-left-radius: 5px;
}

.chat-message--user {
    background: var(--gradient);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 5px;
}

.chat-widget__form {
    padding: 15px;
    border-top: 1px solid #eef2f6;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-widget__input {
    padding: 12px;
    border: 1px solid #eef2f6;
    border-radius: 25px;
    outline: none;
    font-size: 14px;
}

.chat-widget__input:focus {
    border-color: var(--primary);
}

.chat-widget__send {
    background: var(--gradient);
    border: none;
    border-radius: 25px;
    color: white;
    padding: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.chat-widget__send:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(44, 123, 224, 0.3);
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal__content {
    position: relative;
    background: white;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: auto;
    padding: 40px;
    z-index: 1;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
}

.modal__close:hover {
    color: #e63757;
    transform: rotate(90deg);
}

.modal__body h3 {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
    color: var(--dark);
}

.form__input {
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    border: 1px solid #eef2f6;
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 123, 224, 0.1);
}

.btn--block {
    width: 100%;
    justify-content: center;
}

/* Адаптивность */
@media (max-width: 1200px) {
    .banner__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .methods-grid,
    .price-cards,
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav__list {
        display: none;
    }
    
    .burger {
        display: flex;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero__stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .section__title {
        font-size: 32px;
    }
    
    .banner__grid,
    .methods-grid,
    .price-cards,
    .portfolio-grid,
    .payment-grid,
    .reviews__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .requisites-grid {
        grid-template-columns: 1fr;
    }
    
    .page-hero h1 {
        font-size: 36px;
    }
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s, transform 0.6s;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}