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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    
    background-color: transparent;
    backdrop-filter: blur(0px);
    
    transition: all 0.3s ease-in-out;
    padding: 20px 0;
}

.header.scrolled {
    background-color: #eeeae8;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
}

.header.scrolled .logo a {
    color: #DC4C14;
}

.header.scrolled .nav__list a {
    color: #DC4C14;
}

.header.scrolled .phone {
    color: #DC4C14;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

/* Логотип */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo__img {
    height: 50px;
    width: auto;
    display: block;
}

.logo a {
    font-size: 28px;
    font-weight: bold;
    text-decoration: none;
    color: white;
    transition: color 0.3s;
    display: inline-block;
    line-height: 1.2;
}

.logo span {
    display: block; 
    font-size: 12px; 
    font-weight: normal;
    opacity: 0.8; 
    margin-top: 4px;
}

/* При скролле меняем цвет текста */
.header.scrolled .logo a {
    color: #DC4C14;
}
.header.scrolled .logo__img {
filter: brightness(0) saturate(100%) invert(39%) sepia(98%) saturate(1234%) hue-rotate(351deg) brightness(96%) contrast(94%);
}

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

.nav__list a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav__list a:hover {
    color: #DC4C14;
}

.header.scrolled .nav__list a:hover {
    color: #671e03;
}

/* Контакты в шапке */
.header__contacts {
    display: flex;
    align-items: center;
    gap: 10px;
}

.phone {
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: color 0.3s;
}

.header__contacts__img {
    width: 22px;
    height: 22px;
    display: block;
    filter: brightness(0) invert(1);
    transition: filter 0.3s;
}

.header.scrolled .phone {
    color: #DC4C14;
}

.header.scrolled .header__contacts__img {
    filter: brightness(0) saturate(100%) invert(39%) sepia(98%) saturate(1234%) hue-rotate(351deg) brightness(96%) contrast(94%);
}

.btn {
    text-decoration: none;
    background-color: #DC4C14;
    color: #fff;
    border: none;
    padding: 10px 35px;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}
.header.scrolled .btn {
    background-color: #DC4C14;
}

.btn--small {
    padding: 8px 20px;
    font-size: 14px;
}

.btn:hover {
    background-color: #671e03;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== БУРГЕР-МЕНЮ (мобильная версия) ===== */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.burger span {
    width: 25px;
    height: 3px;
    background-color: white;
    transition: all 0.3s;
}

.header.scrolled .burger span {
    background-color: #333;
}

/* Анимация открытого бургера */
.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO СЕКЦИЯ (main) ===== */
.hero {
    height: 100vh;
    min-height: 600px;
    
    background-image: url('../images/bgimage.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    position: relative;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); 
    z-index: -1;
}

/* Контент по центру */
.hero__content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 100%;
    padding: 0 20px;
}

.hero__suptitle {
    font-size: 30px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #DC4C14;
    margin-bottom: 20px;
    font-weight: 800;
}
.hero__suptitle_city {
    font-size: 18px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: white;
    margin-bottom: 40px;
    font-weight: 800;
}

.hero__title {
    font-size: 56px;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero__btn {
    
    background-color: #DC4C14;
    color: #fff;
    border: none;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s;
}

.hero__btn:hover {
    background-color: #9b2d04;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* ===== СЕКЦИЯ ПРЕИМУЩЕСТВ ===== */
.advantages {
    padding: 80px 0;
    background-color: #f8f8f8;
}

/* Заголовки секции */
.advantages__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #DC4C14;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    margin-top: 20px;
}

/* Сетка карточек */
.advantages__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* Карточка преимущества */
.advantage-card {
    background-color: white;
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.advantage-card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.advantage-card:nth-child(1) .advantage-card__icon {
    background-image: url('../icons/shield.png');
}
.advantage-card:nth-child(2) .advantage-card__icon {
    background-image: url('../icons/lightning.png');
}
.advantage-card:nth-child(3) .advantage-card__icon {
    background-image: url('../icons/paint-palette.png');
}
.advantage-card:nth-child(4) .advantage-card__icon {
    background-image: url('../icons/spanner.png');
}


/* Заголовок карточки */
.advantage-card__title {
    font-size: 22px;
    font-weight: 700;
    color: #4A413C;
    margin-bottom: 15px;
}

/* Текст карточки */
.advantage-card__text {
    font-size: 15px;
    line-height: 1.6;
    color: #666;
}

/* ===== ГАЛЕРЕЯ-КАРУСЕЛЬ (ЧИСТОВАЯ ВЕРСИЯ) ===== */
.gallery {
    background-color: #f8f8f8;
    padding: 80px 0;
}

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

.gallery__slider {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

/* Контейнер слайдера */
.slider-container {
    overflow: hidden;
    flex: 1;
    border-radius: 20px;
}

/* Трек с карточками */
.slider-track {
    display: flex;
    gap: 30px;
    transition: transform 0.4s ease-in-out;
    will-change: transform;
}

/* Карточка */
.gallery-card {
    flex-shrink: 0;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.gallery-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* Изображение */
.gallery-card__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #f0f0f0;
}

.gallery-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block;
}

.gallery-card:hover .gallery-card__image img {
    transform: scale(1.05);
}

/* Контент карточки */
.gallery-card__content {
    padding: 20px;
}

.gallery-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #4A413C;
    margin-bottom: 10px;
}

.gallery-card__description {
    font-size: 14px;
    line-height: 1.5;
    color: #666;
    margin-bottom: 15px;
}

/* Кнопки навигации - ГЛАВНЫЕ СТИЛИ */
.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #DC4C14;
    color: white;
    border: none;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    display: flex !important;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 100;
    position: relative;
}

.slider-btn:hover {
    background-color: #b83d0f;
    transform: scale(1.05);
}

/* Точки */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 35px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ccc;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    width: 28px;
    border-radius: 5px;
    background-color: #DC4C14;
}

.dot:hover {
    background-color: #4A413C;
}

/* ===== АДАПТИВ ГАЛЕРЕИ ===== */
@media (max-width: 992px) {
    .slider-track {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .gallery {
        padding: 50px 0;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .slider-track {
        gap: 15px;
    }
    
    .gallery-card__image {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 480px) {
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
    
    .gallery-card__image {
        aspect-ratio: 1 / 1;
    }
}

/* ===== КАЛЬКУЛЯТОР ===== */
.calculator {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f8f8 0%, #fff 100%);
}

.calculator__header {
    text-align: center;
    margin-bottom: 50px;
}

/* Карточка калькулятора по центру */
.calculator__card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    padding: 40px;
}

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

.calc-label {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.calc-label__title {
    font-size: 14px;
    font-weight: 600;
    color: #4A413C;
    letter-spacing: 1px;
}

.calc-label__value {
    font-size: 36px;
    font-weight: 800;
    color: #DC4C14;
}

.calc-label__unit {
    font-size: 14px;
    color: #666;
}

/* Ползунок */
.calc-range {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: #e0e0e0;
    border-radius: 10px;
    outline: none;
}

.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    background: #DC4C14;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border: 2px solid white;
}

.calc-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.calc-range__marks {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 11px;
    color: #999;
}

/* Результат */
.result-card {
    background: linear-gradient(145deg, #4A413C 0%, #3a322d 100%);
    border-radius: 24px;
    padding: 35px 30px;
    color: white;
    text-align: center;
}

.result-card__title {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.result-card__price {
    font-size: 48px;
    font-weight: 800;
    color: #DC4C14;
    margin-bottom: 25px;
}

.result-card__details {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 15px 20px;
    margin-bottom: 20px;
    text-align: left;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    opacity: 0.7;
    font-size: 14px;
}

.detail-value {
    font-weight: 700;
    font-size: 16px;
}

.result-card__note {
    font-size: 11px;
    opacity: 0.6;
    margin-bottom: 25px;
    text-align: left;
}

.result-card__btn {
    background-color: #DC4C14;
    color: #4A413C;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border-radius: 40px;
}

.result-card__btn:hover {
    background-color: #c64512;
    transform: translateY(-2px);
}
/* Дополнительные стили для поля ввода */
.calc-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f5f5f5;
    padding: 8px 16px;
    border-radius: 40px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.calc-input-wrapper:focus-within {
    border-color: #c64512;
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.calc-input {
    width: 200px;
    border: none;
    background: transparent;
    font-size: 28px;
    font-weight: 800;
    color: #c64512;
    text-align: center;
    outline: none;
    padding: 0;
}

.calc-input::-webkit-inner-spin-button,
.calc-input::-webkit-outer-spin-button {
    opacity: 0.5;
}

.calc-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.calc-label__title {
    font-size: 14px;
    font-weight: 600;
    color: #4A413C;
    letter-spacing: 1px;
}

.calc-label__unit {
    font-size: 16px;
    color: #666;
    font-weight: normal;
}

/* ===== ПОЧЕМУ МЫ ===== */
.why-we {
    padding: 80px 0;
    background-color: #f8f8f8;
}

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

.why-we__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Карточка */
.why-card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.why-card__number {
    font-size: 42px;
    font-weight: 800;
    color: #DC4C14;
    opacity: 0.3;
    margin-bottom: 15px;
    line-height: 1;
}

.why-card__title {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.why-card__text {
    font-size: 15px;
    line-height: 1.5;
    color: #666;
}
/* ===== КОНТАКТЫ ===== */
.contacts {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f8f8 0%, #fff 100%);
}

.contacts__header {
    text-align: center;
    margin-bottom: 50px;
}

.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: white;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    padding: 40px;
}

/* Левая колонка */
.contacts__info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item__label {
    font-size: 20px;
    font-weight: 600;
    color: #DC4C14;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.contact-item__value {
    font-size: 18px;
    font-weight: 500;
    color: #333;
    line-height: 1.5;
}

.contact-item__value a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item__value a:hover {
    color: #DC4C14;
}

.contact-social {
    display: flex;
    gap: 15px;
    margin-top: 5px;
}

.social-link {
    background: #f0f0f0;
    padding: 8px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 14px;
    color: #333;
    transition: all 0.3s;
}

.social-link:hover {
    background: #DC4C14;
    color: white;
}

/* Правая колонка */
.contacts__map iframe {
    width: 100%;
    height: 400px;
    border-radius: 20px;
}


/* Адаптив */
@media (max-width: 768px) {
    .contacts {
        padding: 50px 0;
    }
    
    .contacts__wrapper {
        grid-template-columns: 1fr;
        padding: 25px;
        gap: 30px;
    }
    
    .contact-item__value {
        font-size: 16px;
    }
    
    .contacts__map iframe {
        height: 250px;
    }
}



/* ===== АДАПТИВ ===== */
@media (max-width: 1024px) {
    .gallery-card {
        flex: 0 0 calc(50% - 15px);
    }
}


/* ===== АДАПТИВ ДЛЯ ПЛАНШЕТОВ ===== */
@media (max-width: 992px) {

    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .section-title {
        font-size: 30px;
    }
}

/* ===== АДАПТИВ ДЛЯ ТЕЛЕФОНОВ ===== */
@media (max-width: 576px) {
    .advantages {
        padding: 50px 0;
    }
    
    .advantages__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .advantage-card__title {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .why-we {
        padding: 50px 0;
    }
    
    .why-we__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .why-card {
        padding: 25px;
    }
    
    .why-card__number {
        font-size: 32px;
    }
    
    .why-card__title {
        font-size: 18px;
    }
    .calculator {
        padding: 50px 0;
    }
    
    .calculator__card {
        padding: 25px;
        margin: 0 15px;
    }
    
    .calc-label__value {
        font-size: 28px;
    }
    
    .result-card__price {
        font-size: 36px;
    }
    
    .result-card {
        padding: 25px 20px;
    }
    .gallery {
        padding: 50px 0;
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 22px;
    }
    
    .gallery-card {
        flex: 0 0 100%;
    }
    
    .gallery-card__image {
        height: 220px;
    }
    .hero__title {
        font-size: 36px;
    }
    
    .hero__suptitle {
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .hero__btn {
        padding: 12px 30px;
        font-size: 14px;
    }
    .burger {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        padding: 80px 30px;
        transition: right 0.3s ease;
        z-index: 1000;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav__list a {
        color: white;
        font-size: 18px;
    }
    
    .header__contacts {
        display: none;
    }
    
    /* Адаптация при скролле на мобильных */
    .header.scrolled .nav {
        background-color: rgba(255, 255, 255, 0.98);
    }
    
    .header.scrolled .nav__list a {
        color: #333;
    }
}
@media (max-width: 480px) {
    .hero__title {
        font-size: 28px;
    }
    
    .hero__suptitle {
        font-size: 12px;
    }
    .calc-label {
        flex-direction: column;
        align-items: stretch;
    }
    
    .calc-input-wrapper {
        justify-content: center;
    }
    
    .calc-input {
        font-size: 24px;
        width: 70px;
    }
}