:root {
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --color-bk: #00bc81;
    --color-text: #364153;
}

* {
    font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

img {
    pointer-events: none;
    -webkit-user-drag: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background: linear-gradient(135deg, #edfbf582, #edfdf66e 100%) no-repeat;
    background-attachment: fixed;
}

a {
    text-decoration: none;
}

.container-header {
    min-height: 90px;
    box-shadow: #a6d9c08a 0px 2px 3px;
    position: relative;
    z-index: 1000; 
    background: white;
    width: 100%;
    opacity: 0;
    animation: sliderHeader 0.6s ease forwards;
}

.container-header__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 90px;
    max-width: 1550px; 
    margin: 0 auto;
}

.container-header__text-logo {
    font-size: 30px;
    background: linear-gradient(90deg, #00cb89, #00b5db);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #009967;
    font-weight: 700;
}

.container-header__nav ul {
    display: flex;
    align-items: center;
    gap: 10px;
}

.container-header__nav li {
    list-style: none;
}

.container-header__nav a {
    display: inline-block;
    font-size: 16px;
    padding: 10px 25px;
    color: var(--color-text);
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 50px;
    white-space: nowrap;
}

.container-header__nav a:hover {
    background: #00bc811a;
    box-shadow: 0 4px 8px rgba(0, 188, 129, 0.15);
}

.container-header__nav a.active {
    background: var(--color-bk);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0, 188, 129, 0.3);
}

.burger-toggle-input {
    display: none;
}

.burger-btn {
    display: none; 
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    cursor: pointer;
    z-index: 1002;
    -webkit-tap-highlight-color: transparent;
}

.burger-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-bk); 
    border-radius: 3px;
    transition: all 0.3s ease;
}

.cart-wrapper {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 900;
    width: 70px;
    height: 70px;
    opacity: 0;
    transform: scale(0) rotate(0deg);
    animation: rotationCart 1s ease forwards;
    pointer-events: none;
    animation-fill-mode: forwards;
    pointer-events: auto;
}

.cart-icon {
    width: 100%;
    height: 100%;
    background: var(--color-bk);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 5px 15px rgba(0, 188, 129, 0.4);
}

.cart-icon img {
    max-width: 30px;
    filter: brightness(0) invert(1);
}

.cart-icon:hover {
    transform: scale(1.1) rotate(25deg);
}

.container-main {
    min-height: 100dvh;
}

.error {
    color: #dc2626;
    background-color: #fee2e2;
    padding: 10px;
    border-radius: 8px;
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
}

.error ul {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
}

@keyframes rotationCart {
    0% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
    }

    100% {
        opacity: 1;
        transform: scale(1) rotate(-360deg);
    }
}

@keyframes sliderHeader {
    0% {
        opacity: 0;
        transform: translateY(-100px);
    }

    100% {
        opacity: 1;
        transform: translateY(0px);
    }
}

@media (max-width: 1024px) {
    .container-header__wrapper {
        padding: 0 20px;
    }

    .burger-btn {
        display: flex;
    }

    .container-header__nav {
        position: absolute;
        top: 100%; 
        left: 0;
        width: 100%;
        background-color: white;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-in-out, box-shadow 0.3s;
        box-shadow: none; 
    }

    .burger-toggle-input:checked ~ .container-header__nav {
        max-height: 600px; 
        box-shadow: 0 15px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid #eee;
    }

    .container-header__nav ul {
        flex-direction: column;
        align-items: stretch; 
        padding: 20px;
        gap: 10px;
    }

    .container-header__nav a {
        display: block;
        width: 100%;
        text-align: left;
        padding: 12px 20px;
        border-radius: 12px; 
        font-size: 16px;
    }

    .container-header__nav a:hover {
        background: #f5f5f5;
        box-shadow: none;
    }

    .container-header__nav a.active {
        background: var(--color-bk);
        color: white;
        box-shadow: 0 4px 10px rgba(0, 188, 129, 0.25);
    }

    .burger-toggle-input:checked ~ .burger-btn span:nth-child(1) {
        transform: translateY(9.5px) rotate(45deg);
    }

    .burger-toggle-input:checked ~ .burger-btn span:nth-child(2) {
        opacity: 0;
    }

    .burger-toggle-input:checked ~ .burger-btn span:nth-child(3) {
        transform: translateY(-9.5px) rotate(-45deg);
    }
}