/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Colors */
    --primary-pink: #FFD6E8;
    --primary-pink-light: #FFF0F7;
    --primary-pink-dark: #FFC1E0;
    --accent-pink: #FF9EC6;
    --text-dark: #2C2C2C;
    --text-gray: #666666;
    --white: #FFFFFF;
    --border-color: #F0F0F0;
    --shadow-light: 0 2px 10px rgba(255, 158, 198, 0.1);
    --shadow-medium: 0 4px 20px rgba(255, 158, 198, 0.15);
    --shadow-strong: 0 8px 30px rgba(255, 158, 198, 0.2);
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 20px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: 48px;
}

h2 {
    font-size: 36px;
}

h3 {
    font-size: 24px;
}

.section__title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
}

.section__subtitle {
    text-align: center;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-medium);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition-normal);
    cursor: pointer;
}

.btn--header,
.btn--footer {
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink-dark));
    color: var(--white);
    box-shadow: var(--shadow-light);
}

.btn--header:hover,
.btn--footer:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn--large {
    padding: 16px 40px;
    font-size: 18px;
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink-dark));
    color: var(--white);
    box-shadow: var(--shadow-medium);
}

.btn--large:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.btn--small {
    padding: 10px 24px;
    font-size: 14px;
    background: var(--accent-pink);
    color: var(--white);
}

.btn--small:hover {
    background: var(--primary-pink-dark);
    transform: scale(1.05);
}

.btn--full {
    width: 100%;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink-dark));
    color: var(--white);
    padding: 14px 28px;
}

.btn--full:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-pink);
}

.header__logo i {
    font-size: 28px;
}

.header__nav {
    display: flex;
    gap: 32px;
}

.header__nav-link {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition-fast);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-pink);
    transition: var(--transition-normal);
}

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

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

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
}

.burger span {
    width: 100%;
    height: 3px;
    background: var(--accent-pink);
    border-radius: 3px;
    transition: var(--transition-normal);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 80px;
    background: linear-gradient(135deg, var(--primary-pink-light) 0%, var(--primary-pink) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-pink) 0%, transparent 70%);
    opacity: 0.1;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-pink-dark) 0%, transparent 70%);
    opacity: 0.1;
    border-radius: 50%;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1490750967868-88aa4486c946?w=1600&h=900&fit=crop') center/cover;
    opacity: 0.05;
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-xl) 0;
    max-width: 900px;
    margin: 0 auto;
}

.hero__title {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero__subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Advantages Section
   ======================================== */
.advantages {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.advantage-card {
    background: var(--primary-pink-light);
    border-radius: var(--radius-large);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
}

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

.advantage-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.advantage-card:hover .advantage-card__icon {
    transform: rotate(360deg);
}

.advantage-card__icon i {
    font-size: 36px;
    color: var(--white);
}

.advantage-card__title {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.advantage-card__text {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
}

/* ========================================
   Catalog Section
   ======================================== */
.catalog {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--primary-pink-light) 100%);
}

.catalog__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.product-card__image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

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

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

.product-card__content {
    padding: var(--spacing-sm);
}

.product-card__title {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-size: 20px;
}

.product-card__description {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    min-height: 42px;
}

.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.product-card__price {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-pink);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.about__content {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.about__content p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-gray);
    text-align: justify;
}

.about__content h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.about__content strong {
    color: var(--accent-pink);
    font-weight: 600;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: var(--spacing-xl) 0;
    background: var(--primary-pink-light);
}

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

.faq__item {
    background: var(--white);
    border-radius: var(--radius-medium);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.faq__item:hover {
    box-shadow: var(--shadow-medium);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.faq__question:hover {
    color: var(--accent-pink);
}

.faq__question i {
    transition: var(--transition-normal);
    color: var(--accent-pink);
}

.faq__item.active .faq__question i {
    transform: rotate(180deg);
}

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

.faq__item.active .faq__answer {
    max-height: 500px;
}

.faq__answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink-dark));
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer__logo i {
    font-size: 32px;
}

.footer__description {
    line-height: 1.7;
    opacity: 0.9;
}

.footer__title {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.footer__contacts,
.footer__schedule {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__contacts li,
.footer__schedule li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    opacity: 0.9;
}

.footer__contacts i {
    margin-top: 3px;
    color: var(--white);
}

.footer__contacts a {
    transition: var(--transition-fast);
}

.footer__contacts a:hover {
    opacity: 0.8;
}

.footer__schedule {
    margin-bottom: var(--spacing-sm);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal__content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-large);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-strong);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary-pink-light);
    color: var(--accent-pink);
    transition: var(--transition-fast);
}

.modal__close:hover {
    background: var(--accent-pink);
    color: var(--white);
    transform: rotate(90deg);
}

.modal__title {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.modal__subtitle {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

.modal__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.form__group label {
    font-weight: 600;
    color: var(--text-dark);
}

.form__group input {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-small);
    font-family: var(--font-body);
    font-size: 16px;
    transition: var(--transition-fast);
}

.form__group input:focus {
    outline: none;
    border-color: var(--accent-pink);
}

.modal__success {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.modal__success i {
    font-size: 64px;
    color: var(--accent-pink);
    margin-bottom: var(--spacing-sm);
}

.modal__success h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.modal__success p {
    color: var(--text-gray);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet (768px - 992px) */
@media (max-width: 992px) {
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 30px;
    }
    
    .header__nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-medium);
    }
    
    .header__nav.active {
        left: 0;
    }
    
    .burger {
        display: flex;
    }
    
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .catalog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* Mobile (max 768px) */
@media (max-width: 768px) {
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .advantages__grid {
        grid-template-columns: 1fr;
    }
    
    .catalog__grid {
        grid-template-columns: 1fr;
    }
    
    .btn--large {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    .section__title {
        margin-bottom: var(--spacing-md);
    }
    
    .about__content p {
        text-align: left;
    }
}

/* Animations for Scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}