@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --color-primary: hsl(0, 0%, 95%);
    --color-primary-dark: hsl(0, 0%, 85%);
    --color-success: hsl(140, 70%, 55%);
    --color-danger: hsl(0, 70%, 60%);
    --color-background: hsl(220, 15%, 8%);
    --color-surface: hsl(216, 12%, 12%);
    --color-border: hsla(0, 0%, 100%, 0.1);
    --color-text-primary: hsl(0, 0%, 95%);
    --color-text-secondary: hsl(220, 8%, 65%);
    --color-white: hsl(0, 0%, 10%);
    --gradient-primary: linear-gradient(110deg, var(--color-primary), var(--color-primary-dark));
    --gradient-surface: linear-gradient(180deg, hsla(0, 0%, 100%, 0.03), hsla(0, 0%, 100%, 0));

    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: clamp(0.8rem, 0.17vw + 0.76rem, 0.89rem);
    --font-size-base: clamp(1rem, 0.34vw + 0.91rem, 1.19rem);
    --font-size-md: clamp(1.25rem, 0.61vw + 1.1rem, 1.58rem);
    --font-size-lg: clamp(1.56rem, 1vw + 1.31rem, 2.11rem);
    --font-size-xl: clamp(1.95rem, 1.56vw + 1.56rem, 2.81rem);
    --font-size-xxl: clamp(2.44rem, 2.38vw + 1.85rem, 3.75rem);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;

    --radius: 12px;
    --shadow: 0 10px 30px hsla(0, 0%, 0%, 0.25);
    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 8rem;
}

body {
    font-family: var(--font-family-base), serif;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: -20vh;
    left: -20vw;
    width: 140vw;
    height: 140vh;
    background-image: radial-gradient(circle at 10% 20%, hsla(0, 0%, 100%, 0.2), transparent 30%),
    radial-gradient(circle at 90% 80%, hsla(220, 15%, 8%, 0.15), transparent 40%);
    filter: blur(100px);
    z-index: -1;
}

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

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

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

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.button, .cart-empty__button, .add-to-cart, .cart-summary__checkout-btn, .coupon-box__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    background: var(--gradient-primary);
    border: none;
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 15px hsla(0, 0%, 80%, 0.3);
    transition: all var(--transition);
}

.button:hover, .cart-empty__button:hover, .add-to-cart:hover, .cart-summary__checkout-btn:hover, .coupon-box__button:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px hsla(0, 0%, 100%, 0.2);
}

.form-input, .form-textarea {
    width: 100%;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 0.8rem 1rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition);
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 4px 15px hsla(0, 0%, 100%, 0.2);
    outline: none;
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group {
    margin-bottom: var(--space-md);
}

.projects__item {
    background: var(--gradient-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: 0 4px 15px hsla(0, 0%, 0%, 0.1);
}

.projects__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px hsla(0, 0%, 0%, 0.2);
    border-color: hsla(0, 0%, 100%, 0.2);
}

.projects__image {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.projects__details {
    padding: var(--space-md);
}

.projects__brand {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.projects__product-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin: var(--space-xs) 0;
}

.projects__price {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cart-page {
    padding: var(--space-xl) 0;
}

.cart-page__title {
    font-size: var(--font-size-xxl);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.cart-empty {
    text-align: center;
    padding: var(--space-xl);
    background-color: var(--color-surface);
    border-radius: var(--radius);
}

.cart-empty p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

.cart-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
    align-items: flex-start;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto auto 30px;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.cart-item:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow);
}

.cart-item__image img {
    border-radius: 8px;
}

.cart-item__name {
    font-size: var(--font-size-md);
    font-weight: 600;
}

.cart-item__size, .cart-item__price {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.cart-item__subtotal {
    font-weight: 700;
    font-size: var(--font-size-md);
    text-align: right;
}

.cart-item__actions {
    text-align: center;
}

.cart-item__remove-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 0;
}

.cart-item__remove-btn:hover {
    color: var(--color-danger);
    transform: scale(1.1);
}

.cart-summary {
    position: sticky;
    top: 8rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
}

.cart-summary__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
}

.cart-summary__row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.cart-summary__total {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-lg);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
    margin-top: var(--space-md);
    font-weight: 700;
}

.coupon-box {
    display: flex;
    margin: var(--space-lg) 0;
}

.coupon-box__button {
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: var(--font-size-sm);
}


.checkout-page {
    padding: var(--space-xl) 0;
    margin-top: 4vh;
}

.checkout-page__title {
    font-size: var(--font-size-xxl);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.checkout-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
    align-items: flex-start;
}

.checkout-section-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-sm);
}

.checkout-form-container {
    background-color: var(--color-surface);
    padding: var(--space-lg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.form-step {
    border: none;
    padding: 0;
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-lg);
}

.form-step:last-of-type {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.form-step__title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    display: block;
    width: 100%;
}

.form-grid {
    display: grid;
    gap: var(--space-md);
}

.form-grid-col-2 {
    grid-template-columns: 1fr 1fr;
}

.form-group--checkbox, .radio-option {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.form-group-radio {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.invoice-details {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    margin-top: 0;
    border-top: 1px solid transparent;
    transition: all 0.5s ease-in-out;
}

.invoice-details.is-visible {
    max-height: 800px;
    opacity: 1;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.invoice-details__info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.order-summary {
    position: sticky;
    top: 8rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-md);
    border-top: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    margin-top: var(--space-md);
    font-weight: 700;
}

.summary-total span {
    color: var(--color-text-primary);
    font-size: var(--font-size-md);
}

.checkout-step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--space-lg);
}

.checkout-step__title {
    font-size: var(--font-size-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
}

.checkout-step__content {
    padding: var(--space-md);
}

.form-grid {
    display: grid;
    gap: var(--space-md);
}

.form-grid-col-2 {
    grid-template-columns: 1fr 1fr;
}

.option-box {
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    transition: all var(--transition);
    margin-bottom: 1rem;
}

.option-box:hover {
    border-color: hsla(0, 0%, 100%, 0.4);
}

.option-box--selected {
    border-color: var(--color-primary);
    background-color: var(--color-primary-glow);
}

.option-box input[type="radio"] {
    display: none;
}

.option-box__label {
    display: flex;
    align-items: center;
    padding: 1rem;
    cursor: pointer;
    gap: 1.5rem;
}

.option-box__icon {
    flex-shrink: 0;
    width: 70px;
    height: 50px;
    display: grid;
    padding: 10px;
    place-items: center;
    background-color: var(--color-text-primary);
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition);
    border-radius: var(--radius);
}

.option-box__icon:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
    box-shadow: 0 4px 15px hsla(0, 0%, 100%, 0.2);
    cursor: pointer;
}

.option-box__icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition);
}

.option-box--selected .option-box__icon {
    filter: grayscale(0%);
    opacity: 1;
}

.option-box--selected .option-box__icon img {
    filter: grayscale(0%);
    opacity: 1;
}

.option-box__info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.option-box__title {
    font-weight: 600;
    color: var(--color-text-primary);
}

.option-box__price {
    margin-left: auto;
    font-weight: 700;
    font-size: 1.1rem;
}

.option-box__desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.radio-option input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    margin: 0;
    width: 0;
    height: 0;
    opacity: 0;
    position: absolute;
}

.radio-option label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    color: var(--color-text-primary);
}

.radio-option label::before {
    content: '';
    display: block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    background-color: var(--color-surface);
    transition: all var(--transition);
}

.radio-option input[type="radio"]:checked + label::before {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.radio-option label::after {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-surface);
    position: absolute;
    left: 20px;
    transform: scale(0);
    transition: all var(--transition);
}

.radio-option input[type="radio"]:checked + label::after {
    transform: scale(1);
}

.order-summary {
    position: sticky;
    top: 8rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
}

.checkout-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--gradient-primary);
    border: none;
    color: var(--color-white);
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    width: 100%;
    margin-top: var(--space-xs);
    padding: var(--space-md);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px hsla(0, 0%, 100%, 0.2);
}

.checkout-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 15px hsla(0, 0%, 80%, 0.3);
}

.checkout-button:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px hsla(0, 0%, 100%, 0.2);
}

.checkout-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: var(--space-md);
}

.form-group .error-message {
    color: var(--color-danger);
    font-size: 0.8rem;
    padding-top: 0.25rem;
    display: block;
    min-height: 1.2em;
}

.form-group.has-error .form-input,
.form-group.has-error .form-textarea {
    border-color: var(--color-danger);
}

.terms-group {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.terms-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    cursor: pointer;
    user-select: none;
}

.terms-label a {
    text-decoration: underline;
    color: var(--color-text-primary);
}

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

.terms-label input[type="checkbox"] {
    display: none;
}

.custom-checkbox {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    margin-top: 2px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    background-color: var(--color-surface);
    display: grid;
    place-items: center;
    transition: all var(--transition);
}

.custom-checkbox svg {
    width: 14px;
    height: 14px;
    stroke: var(--color-white);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition);
}

.terms-label input[type="checkbox"]:checked ~ .custom-checkbox {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.terms-label input[type="checkbox"]:checked ~ .custom-checkbox svg {
    opacity: 1;
    transform: scale(1);
}


.terms-label:hover .custom-checkbox {
    border-color: var(--color-primary);
}

.checkout-button:disabled {
    background: var(--color-surface-light);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    color: var(--color-text-muted);
}

.summary-page {
    padding: 4rem 0;
}

.summary-page__title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.summary-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
    align-items: flex-start;
}

.summary-details {
    display: grid;
    gap: 1.5rem;
}

.summary-block {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.summary-block__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.summary-block__title {
    font-size: 1.2rem;
    margin: 0;
}

.summary-block__change-link {
    font-size: 0.9rem;
    font-weight: 500;
}

.summary-block__content p {
    margin: 0 0 0.5rem;
    color: var(--color-text-secondary);
}

.summary-block__content p:last-child {
    margin-bottom: 0;
}

.summary-block__content strong {
    color: var(--color-text-primary);
}

.inpost-widget-container {
    display: none;
    margin-top: 1rem;
    width: 100%;
}
.inpost-widget-container.is-visible {
    display: block;
}

inpost-geowidget {
    display: block;
    width: 100%;
    height: 600px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.selected-locker-info {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding: 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    line-height: 1.5;
    transition: opacity 0.3s ease-in-out;
}
.selected-locker-info:empty {
    display: none;
}
.selected-locker-info strong {
    color: var(--color-text-primary);
}
.selected-locker-info strong {
    color: var(--color-text-primary);
}
.button-courier {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    margin-top: 1rem;
}
.payment-methods-icons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}
.payment-methods-icons img {
    max-height: 25px;
    max-width: 40px;
    opacity: 0.8;
}
@media (max-width: 992px) {
    .summary-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .checkout-wrapper {
        grid-template-columns: 1fr;
    }

    .order-summary {
        position: static;
    }
}

@media (max-width: 576px) {
    .form-grid-col-2 {
        grid-template-columns: 1fr;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .product__wrapper, .cart-wrapper, .checkout-wrapper {
        grid-template-columns: 1fr;
    }

    .product__gallery, .cart-summary, .order-summary {
        position: static;
    }
}

@media (max-width: 576px) {
    .cart-item {
        grid-template-columns: 80px 1fr;
        grid-template-rows: auto auto auto;
        position: relative;
        row-gap: var(--space-xs);
    }

    .cart-item__image {
        grid-row: 1 / 4;
    }

    .cart-item__details {
        grid-column: 2;
    }

    .cart-item__quantity, .cart-item__subtotal {
        grid-column: 2;
    }

    .cart-item__subtotal {
        text-align: right;
        font-size: var(--font-size-base);
    }

    .cart-item__actions {
        position: absolute;
        top: var(--space-xs);
        right: var(--space-xs);
    }

    .form-grid-col-2 {
        grid-template-columns: 1fr;
    }
    .coupon-box{
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
    .coupon-box__button {
        border-radius: var(--radius) !important;
    }
    .coupon-box__input {
        border-radius: 1px !important;
    }

}