/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #f5e6f5 0%, #e8d5f0 50%, #f0e0f5 100%);
    color: #2a1a3a;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Декоративный фон */
.bg-decoration {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.circle-1 {
    width: 500px;
    height: 500px;
    background: #d4a5e8;
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: #e8a5c8;
    bottom: 200px;
    left: -150px;
}

.circle-3 {
    width: 350px;
    height: 350px;
    background: #c8a5e8;
    top: 50%;
    right: 10%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn--primary {
    background: linear-gradient(135deg, #c43d6e 0%, #a8305c 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(196, 61, 110, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(196, 61, 110, 0.4);
}

.btn--large {
    padding: 20px 50px;
    font-size: 16px;
}

/* Header */
.header {
    padding: 25px 0;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo__icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: #c43d6e;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    background-image: 
        linear-gradient(45deg, transparent 45%, #e0d0e8 45%, #e0d0e8 55%, transparent 55%);
}

.logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo__title {
    font-size: 16px;
    font-weight: 800;
    color: #2a1a3a;
    letter-spacing: 0.5px;
}

.logo__subtitle {
    font-size: 14px;
    font-weight: 700;
    color: #c43d6e;
    letter-spacing: 1px;
}

.nav__list {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav__link {
    color: #2a1a3a;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s;
}

.nav__link:hover {
    color: #c43d6e;
}

/* Hero */
.hero {
    padding: 60px 0 40px;
    text-align: center;
}

.hero__title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.accent {
    color: #c43d6e;
}

.hero__subtitle {
    font-size: 17px;
    color: #4a3a5a;
    line-height: 1.5;
    margin-bottom: 50px;
}

/* Compare */
.compare {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.compare__item {
    position: relative;
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    max-width: 500px;
    aspect-ratio: 4/5;
}

.compare__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.compare__item--transparent {
    background: 
        linear-gradient(45deg, #e8d5f0 25%, transparent 25%),
        linear-gradient(-45deg, #e8d5f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e8d5f0 75%),
        linear-gradient(-45deg, transparent 75%, #e8d5f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-color: white;
}

.compare__item--transparent img {
    /* Имитация удалённого фона */
    mix-blend-mode: normal;
}

.compare__label {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.compare__divider {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #c43d6e, #a8305c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(196, 61, 110, 0.4);
    flex-shrink: 0;
}

/* Upload */
.upload {
    margin-bottom: 40px;
}

/* Features */
.features {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: #2a1a3a;
}

.feature__icon {
    width: 28px;
    height: 28px;
    border: 2px solid #c43d6e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c43d6e;
    font-weight: 700;
    font-size: 14px;
}

/* Reviews */
.reviews {
    padding: 80px 0;
}

.reviews__slider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    position: relative;
}

.review {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.review--side {
    flex: 1;
    max-width: 320px;
    opacity: 0.4;
    transform: scale(0.9);
}

.review--active {
    flex: 1;
    max-width: 450px;
    background: white;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    padding-top: 60px;
}

.review__avatar {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.review__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review__text {
    font-size: 14px;
    line-height: 1.6;
    color: #4a3a5a;
    margin-bottom: 20px;
}

.review__author {
    font-weight: 700;
    color: #c43d6e;
}

.slider__btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    border: none;
    font-size: 24px;
    color: #c43d6e;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    flex-shrink: 0;
}

.slider__btn:hover {
    background: #c43d6e;
    color: white;
}

.slider__dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #c8b5d8;
    cursor: pointer;
    transition: all 0.3s;
}

.dot--active {
    background: #c43d6e;
    width: 30px;
    border-radius: 5px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.footer__col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__link {
    color: #2a1a3a;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer__link:hover {
    color: #c43d6e;
}

.footer__bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    font-size: 13px;
    color: #6a5a7a;
}

.socials {
    display: flex;
    gap: 15px;
}

.social {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #c43d6e;
    font-weight: 700;
    font-size: 12px;
    transition: all 0.3s;
}

.social:hover {
    background: #c43d6e;
    color: white;
}

/* Chat button */
.chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #c43d6e, #a8305c);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(196, 61, 110, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 100;
}

.chat-btn:hover {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav__list {
        gap: 20px;
    }
    
    .hero__title {
        font-size: 48px;
    }
    
    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header__inner {
        flex-wrap: wrap;
    }
    
    .nav {
        order: 3;
        width: 100%;
    }
    
    .nav__list {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero__title {
        font-size: 36px;
    }
    
    .compare {
        flex-direction: column;
    }
    
    .compare__divider {
        transform: rotate(90deg);
    }
    
    .features {
        gap: 25px;
        flex-direction: column;
        align-items: center;
    }
    
    .reviews__slider {
        flex-direction: column;
    }
    
    .review--side {
        display: none;
    }
    
    .footer__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__col {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 28px;
    }
    
    .btn--large {
        padding: 16px 30px;
        font-size: 14px;
    }
    
    .logo__title,
    .logo__subtitle {
        font-size: 12px;
    }
}