/* CSS Variables */
:root {
    --color-primary: #00a1c9;
    --color-primary-dark: #008ab0;
    --color-text: #222222;
    --color-text-light: #757575;
    --color-bg: #ffffff;
    --color-bg-gray: #f5f5f5;
    --color-border: #eeeeee;
    --font-family: 'Roboto', sans-serif;
    --container-max: 1200px;
    --container-padding: 20px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section Title */
.section-title {
    font-size: 36px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 50px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.50);
    z-index: 1000;
    padding: 15px 0;
}

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

.header__logo img {
    min-width: 200px;
    max-height: 40px;
}

.header__nav {
    display: flex;
    align-items: center;
}

.header__menu {
    display: flex;
    gap: 30px;
}

.header__menu a {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--color-text);
    transition: color 0.2s ease;
}

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

.header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.header__menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.hero__content {
    position: relative;
    text-align: center;
    color: #ffffff;
    z-index: 1;
}

.hero__subtitle {
    font-size: 22px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero__title {
    font-size: 60px;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero__description {
    font-size: 24px;
    font-weight: 300;
}

.hero__arrow {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bounce 2s infinite;
}

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

/* About Section */
.about {
    padding: 45px 0 60px;
}

.about__content {
    max-width: 900px;
    margin: 0 auto;
}

.about__content p {
    font-size: 24px;
    color: var(--color-text-light);
}

/* Advantages Section */
.advantages {
    padding: 120px 0 150px;
    background-color: var(--color-bg-gray);
}

.advantages__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
}

.advantages__item {
    text-align: center;
}

.advantages__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.advantages__title {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 15px;
}

.advantages__text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Gallery Section */
.gallery {
    padding: 0;
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.gallery__item {
    overflow: hidden;
}

.gallery__item--large {
    grid-column: span 1;
    grid-row: span 2;
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery__item:hover img {
    transform: scale(1.05);
}

/* Services Section */
.services {
    padding: 30px 0;
}

.services__header {
    text-align: center;
    margin-bottom: 40px;
}

.services__subtitle {
    font-size: 24px;
    color: var(--color-text-light);
}

.services__note {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 30px 0;
}

.services .btn {
    display: block;
    max-width: 300px;
    margin: 40px auto 0;
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion__item {
    border-top: 1px solid var(--color-border);
}

.accordion__item:last-child {
    border-bottom: 1px solid var(--color-border);
}

.accordion__header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}

.accordion__title {
    font-size: 20px;
    font-weight: 500;
}

.accordion__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.accordion__item.active .accordion__icon {
    transform: rotate(45deg);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion__item.active .accordion__content {
    max-height: 2000px;
}

.accordion__text {
    padding-bottom: 25px;
}

.accordion__text p {
    font-size: 16px;
    line-height: 2;
}

/* Reviews Section */
.reviews {
    padding: 60px 0 45px;
    background-color: var(--color-bg-gray);
}

.reviews__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.reviews__item {
    background-color: var(--color-bg);
    padding: 30px;
    border-radius: 8px;
}

.reviews__text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.reviews__author {
    font-size: 14px;
    color: var(--color-text-light);
    font-weight: 500;
}

/* Contacts Section */
.contacts {
    padding: 75px 0;
}

.contacts__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contacts__phone,
.contacts__email {
    font-size: 18px;
    margin-bottom: 15px;
}

.contacts__phone a,
.contacts__email a {
    color: var(--color-primary);
}

.contacts__delivery {
    margin-top: 30px;
    margin-bottom: 15px;
}

.contacts__delivery-list {
    list-style: disc;
    padding-left: 20px;
}

.contacts__delivery-list li {
    margin-bottom: 10px;
    color: var(--color-text-light);
}

/* Order Form */
.order-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 14px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-note {
    font-size: 12px;
    color: var(--color-text-light);
    text-align: center;
}

/* Footer */
.footer {
    padding: 40px 0;
    background-color: var(--color-bg-gray);
}

.footer__content {
    text-align: center;
}

.footer__text {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.footer__text--bold {
    font-weight: 500;
    color: var(--color-text);
}

/* Active Menu Item */
.header__menu a.active {
    color: var(--color-primary);
}

/* Business Page - Hero */
.hero--business .hero__overlay--dark {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.80), rgba(0, 0, 0, 0.90));
}

/* Business Page - About */
.about--business {
    padding: 180px 0;
}

.about--business .section-title {
    margin-bottom: 40px;
}

/* Why Choose Us Section */
.why-us {
    padding: 165px 0 195px;
    background-color: #f0f0f0;
}

.why-us__subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    text-align: center;
    max-width: 600px;
    margin: -30px auto 60px;
}

.why-us__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.why-us__item {
    text-align: center;
}

.why-us__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
}

.why-us__title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 15px;
}

.why-us__text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Benefits Section */
.benefits {
    padding: 165px 0 150px;
    background-color: #f0f0f0;
}

.benefits__list {
    max-width: 800px;
    margin: 0 auto;
}

.benefits__item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    padding: 30px 0;
}

.benefits__item + .benefits__item {
    border-top: 1px solid var(--color-border);
}

.benefits__checkmark {
    flex-shrink: 0;
}

.benefits__title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 10px;
}

.benefits__text {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Contact Dark Section */
.contact-dark {
    padding: 180px 0;
    background-color: #242424;
}

.contact-dark__content {
    text-align: center;
}

.contact-dark__title {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    color: #ffffff;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.contact-dark__info {
    margin-bottom: 40px;
}

.contact-dark__email,
.contact-dark__phone {
    display: block;
    font-size: 32px;
    font-weight: 300;
    color: #ffffff;
    margin-bottom: 15px;
}

.contact-dark__email:hover,
.contact-dark__phone:hover {
    color: var(--color-primary);
}

.contact-dark__social {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.social-link:hover {
    opacity: 1;
}

/* Order Section */
.order-section {
    padding: 105px 0;
}

.order-section__wrapper {
    max-width: 800px;
    margin: 0 auto;
}

/* Dark Button */
.btn--dark {
    background-color: #000000;
    color: #ffffff;
}

.btn--dark:hover {
    background-color: #333333;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 992px) {
    .section-title {
        font-size: 30px;
    }

    .hero__title {
        font-size: 48px;
    }

    .advantages__list {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery__item--large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .contacts__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .why-us {
        padding: 120px 0;
    }

    .why-us__list {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .benefits {
        padding: 120px 0;
    }

    .contact-dark {
        padding: 120px 0;
    }

    .contact-dark__email,
    .contact-dark__phone {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 15px;
    }

    .header__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 20px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
    }

    .header__menu.active {
        right: 0;
    }

    .header__menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .header__menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .header__menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .section-title {
        font-size: 26px;
        margin-bottom: 30px;
    }

    .hero__title {
        font-size: 36px;
    }

    .hero__subtitle {
        font-size: 18px;
    }

    .hero__description {
        font-size: 20px;
    }

    .about__content p {
        font-size: 18px;
    }

    .advantages {
        padding: 60px 0 80px;
    }

    .advantages__list {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .gallery__grid {
        grid-template-columns: 1fr;
    }

    .gallery__item--large {
        grid-column: span 1;
    }

    .reviews__list {
        grid-template-columns: 1fr;
    }

    .accordion__title {
        font-size: 16px;
    }

    .btn {
        padding: 14px 30px;
        font-size: 14px;
    }

    .about--business {
        padding: 100px 0;
    }

    .why-us {
        padding: 80px 0;
    }

    .why-us__list {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .benefits {
        padding: 80px 0;
    }

    .benefits__item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .contact-dark {
        padding: 80px 0;
    }

    .contact-dark__email,
    .contact-dark__phone {
        font-size: 22px;
    }

    .order-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 28px;
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .hero__description {
        font-size: 18px;
    }

    .advantages__title {
        font-size: 20px;
    }
}