:root {
    --colour-navy: #031a4a;
    --colour-red: #f05556;
    --colour-blue: #1473e6;
    --colour-blue-dark: #1161bc;
    --colour-blue-light: #e7f1fc;
    --colour-yellow: #f7c758;
    --colour-surface: #f6f7f8;
    --colour-border: #e8e8e8;
    --colour-white: #fff;
    --colour-black: #000;
    --column-width: 157px;
    --column-gap: 10px;
}

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

body {
    margin: 0;
    padding: 70px 0 100px;
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    font-size: 16px;
    line-height: 19px;
    color: var(--colour-navy);
    background: var(--colour-white);
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 80px;
}

.hero {
    text-align: center;
}

.hero > * {
    margin: 0;
}

.hero > * + * {
    margin-top: 16px;
}

.hero__title {
    margin: 0;
    font-size: 35px;
    line-height: 42px;
    font-weight: 500;
}

.hero__intro {
    max-width: 906px;
    margin-left: auto;
    margin-right: auto;
    font-size: 18px;
    line-height: 22px;
    font-weight: 400;
}

.hero__includes-heading {
    font-size: 18px;
    line-height: 22px;
    font-weight: 500;
}

.hero__includes {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.hero__includes-icon {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--colour-blue);
    border-radius: 50%;
    background: var(--colour-blue-light);
}

.hero__includes-text {
    font-size: 16px;
    line-height: 19px;
}

.hero__includes-emphasis {
    font-weight: 500;
}

.tooltip {
    position: relative;
    display: flex;
}

.tooltip__trigger {
    width: 18px;
    height: 18px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--colour-navy);
    border-radius: 50%;
    background: none;
    color: var(--colour-navy);
    cursor: pointer;
}

.tooltip__bubble {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    z-index: 2;
    width: 274px;
    max-width: calc(100vw - 40px);
    padding: 10px;
    transform: translateX(-50%);
    border-radius: 5px;
    background: var(--colour-navy);
    color: var(--colour-white);
    font-size: 14px;
    line-height: 17px;
    text-align: left;
    visibility: hidden;
    opacity: 0;
    transition:
        opacity 0.15s ease,
        visibility 0.15s ease;
}

.tooltip__trigger:hover + .tooltip__bubble,
.tooltip__trigger:focus-visible + .tooltip__bubble,
.tooltip__bubble:hover,
.tooltip.is-open .tooltip__bubble {
    visibility: visible;
    opacity: 1;
}

.catalogue {
    margin-top: 50px;
}

.catalogue__columns {
    display: grid;
    grid-template-columns: repeat(6, var(--column-width));
    justify-content: space-between;
    gap: var(--column-gap);
    margin: 0 0 15px auto;
    padding: 0 23px;
    width: calc(100% - 240px);
    font-weight: 400;
}

.catalogue__column-label:first-child {
    grid-column: 2;
}

.catalogue__body {
    display: flex;
    align-items: flex-start;
    gap: 60px;
}

.filters {
    flex: 0 0 180px;
    width: 180px;
}

.filters__heading {
    margin: 0 0 25px;
    font-size: 18px;
    line-height: 22px;
    font-weight: 500;
}

.filters__group {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.filters__group + .filters__group {
    margin-top: 24.5px;
    padding-top: 24.5px;
    border-top: 1px solid var(--colour-border);
}

.filters__legend {
    display: block;
    margin: 0 0 10px;
    font-size: 16px;
    line-height: 19px;
    font-weight: 500;
    color: var(--colour-black);
}

.filters__options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filters__actions {
    margin-top: 25px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.checkbox__control {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    margin: 0;
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--colour-border);
    border-radius: 5px;
    background: var(--colour-white);
    cursor: pointer;
}

.checkbox__control:checked {
    border-color: var(--colour-blue);
    background: var(--colour-blue) url("/images/icon-tick-white.svg") no-repeat
        center;
    background-size: 10px 7px;
}

.checkbox__control:focus-visible {
    outline: 2px solid var(--colour-blue);
    outline-offset: 2px;
}

.checkbox__label {
    font-size: 16px;
    line-height: 19px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    line-height: 17px;
    font-weight: 500;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        color 0.15s ease;
}

.button--outline {
    width: 100%;
    border-color: var(--colour-navy);
    background: transparent;
    color: var(--colour-navy);
}

.button--outline:hover {
    background: var(--colour-navy);
    color: var(--colour-white);
}

.button--primary {
    border-color: var(--colour-blue);
    background: var(--colour-blue);
    color: var(--colour-white);
}

.button--primary:hover {
    border-color: var(--colour-blue-dark);
    background: var(--colour-blue-dark);
}

.catalogue__list {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
    min-width: 0;
}

.server {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, var(--column-width));
    justify-content: space-between;
    align-items: start;
    gap: var(--column-gap);
    padding: 28px 21px;
    border: 2px solid transparent;
    border-radius: 20px;
    background: var(--colour-surface);
    cursor: pointer;
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease;
}

.server--selected {
    border-color: var(--colour-blue);
}

.server:hover {
    border-color: var(--colour-red);
    background: var(--colour-red);
}

.server__badge {
    position: absolute;
    top: -12px;
    left: 21px;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 13px;
    line-height: 16px;
    font-weight: 500;
}

.badge--feature {
    background: var(--colour-red);
    color: var(--colour-white);
}

.badge--new {
    background: var(--colour-yellow);
    color: var(--colour-black);
}

.server__cell {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.server__cell--price {
    gap: 0;
}

.server__logo {
    align-self: flex-start;
    height: 19px;
    width: auto;
}

.server__logo--amd {
    height: 11px;
}

.server__name {
    font-size: 18px;
    line-height: 22px;
    font-weight: 500;
}

.server__primary {
    font-size: 16px;
    line-height: 19px;
    font-weight: 500;
}

.server__secondary {
    font-size: 14px;
    line-height: 17px;
    font-weight: 400;
}

.server__price-period {
    font-size: 13px;
    line-height: 16px;
    color: var(--colour-navy);
}

.server__price-emphasis {
    color: var(--colour-red);
}

.server:hover .server__price-emphasis {
    color: var(--colour-navy);
}

.server__price {
    font-size: 35px;
    line-height: 42px;
    font-weight: 500;
    color: var(--colour-red);
}

.server:hover .server__price {
    color: var(--colour-navy);
}

.server__price-suffix {
    font-size: 14px;
    line-height: 17px;
    color: var(--colour-navy);
}

.server__price-standard {
    font-size: 13px;
    line-height: 16px;
}

.server:hover .button--primary {
    border-color: var(--colour-white);
    background: var(--colour-white);
    color: var(--colour-blue);
}

.server:hover .button--primary:hover {
    border-color: var(--colour-blue-light);
    background: var(--colour-blue-light);
}

.catalogue__empty {
    padding: 40px 0;
    font-size: 18px;
    line-height: 22px;
}

@media (max-width: 1439px) {
    .container {
        padding: 0 40px;
    }

    .catalogue__columns,
    .server {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .catalogue__columns {
        display: none;
    }
}

@media (max-width: 1100px) {
    .catalogue__body {
        gap: 40px;
    }

    .filters {
        flex: 0 0 160px;
        width: 160px;
    }

    .server {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        row-gap: 25px;
    }

    .server__cell:last-child {
        justify-content: center;
    }
}

@media (max-width: 880px) {
    .catalogue__body {
        gap: 30px;
    }

    .server {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    body {
        padding: 40px 0 60px;
    }

    .container {
        padding: 0 20px;
    }

    .hero__title {
        font-size: 28px;
        line-height: 34px;
    }

    .hero__intro,
    .hero__includes-heading {
        font-size: 16px;
        line-height: 20px;
    }

    .hero__includes {
        display: block;
    }

    .hero__includes-icon,
    .hero__includes .tooltip {
        display: inline-flex;
        vertical-align: middle;
    }

    .hero__includes {
        position: relative;
    }

    .hero__includes .tooltip {
        position: static;
    }

    .hero__includes .tooltip__bubble {
        left: 50%;
        right: auto;
        width: 274px;
        max-width: 100%;
        transform: translateX(-50%);
    }

    .catalogue {
        margin-top: 30px;
    }

    .catalogue__body {
        flex-direction: column;
        align-items: stretch;
        gap: 30px;
    }

    .filters {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 25px;
        flex: 1 1 auto;
        width: 100%;
    }

    .filters__heading {
        grid-column: 1 / -1;
        margin-bottom: 0;
    }

    .filters__group + .filters__group {
        margin-top: 0;
        padding-top: 0;
        padding-left: 25px;
        border-top: 0;
        border-left: 1px solid var(--colour-border);
    }

    .filters__options {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px 25px;
    }

    .filters__actions {
        grid-column: 1 / -1;
        margin-top: 0;
    }

    .filters__actions .button--outline {
        width: auto;
    }

    .server__cell:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 520px) {
    .filters {
        gap: 20px;
    }

    .filters__group + .filters__group {
        padding-left: 15px;
    }

    .filters__options {
        gap: 10px 15px;
    }

    .checkbox {
        gap: 10px;
    }
}

@media (max-width: 440px) {
    .filters__group + .filters__group {
        padding-left: 12px;
    }

    .filters__options {
        gap: 10px 12px;
    }

    .checkbox {
        gap: 8px;
    }
}

@media (max-width: 400px) {
    .filters__options {
        flex-direction: column;
    }
}

@media (max-width: 380px) {
    .server {
        grid-template-columns: 1fr;
    }

    .server__cell:last-child {
        grid-column: auto;
    }
}

@media (hover: none) {
    .server:hover {
        border-color: transparent;
        background: var(--colour-surface);
    }

    .server--selected:hover {
        border-color: var(--colour-blue);
    }

    .server:hover .server__price {
        color: var(--colour-red);
    }

    .server:hover .server__price-emphasis {
        color: var(--colour-red);
    }

    .server:hover .button--primary {
        border-color: var(--colour-blue);
        background: var(--colour-blue);
        color: var(--colour-white);
    }
}

.back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 19px;
    color: var(--colour-navy);
    text-decoration: none;
}

.back:hover {
    text-decoration: underline;
}

.detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    padding: 40px;
    border: 2px solid var(--colour-blue);
    border-radius: 20px;
    background: var(--colour-surface);
}

.detail__identity {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.detail__logo {
    height: 48px;
    width: auto;
}

.detail__logo--amd {
    height: 28px;
}

.detail__name {
    margin: 0;
    font-size: 35px;
    line-height: 42px;
    font-weight: 500;
}

.detail__badge {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 13px;
    line-height: 16px;
    font-weight: 500;
}

.detail__includes {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 16px;
    line-height: 19px;
}

.detail__panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.detail__heading {
    margin: 0;
    font-size: 18px;
    line-height: 22px;
    font-weight: 500;
}

.spec {
    margin: 0;
    display: flex;
    flex-direction: column;
}

.spec__row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
    padding: 12px 0;
    border-bottom: 1px solid var(--colour-border);
}

.spec__term {
    margin: 0;
    font-size: 14px;
    line-height: 19px;
    color: var(--colour-navy);
}

.spec__value {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 0;
    font-size: 16px;
    line-height: 19px;
    font-weight: 500;
}

.spec__value span {
    font-size: 14px;
    line-height: 17px;
    font-weight: 400;
}

.detail__pricing {
    display: flex;
    flex-direction: column;
}

.detail__action {
    align-self: flex-start;
    width: 100%;
}

.detail__action[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
}

.detail__note {
    margin: -16px 0 0;
    font-size: 13px;
    line-height: 16px;
    color: var(--colour-navy);
}

@media (max-width: 900px) {
    .detail {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 28px;
    }
}

@media (max-width: 700px) {
    .detail__name {
        font-size: 28px;
        line-height: 34px;
    }

    .spec__row {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}