/* Section: process steps. */

.process-steps {
    /* One Figma pixel of the 1352 content box, shrinking with the viewport. */
    --u: min(1px, (100vw - 2 * var(--container-pad)) / 1352);
    /* Where the site's content column starts and ends; the section is its own
       inline-size container so this ignores the page scrollbar. */
    --edge: max(var(--container-pad), (100cqi - var(--container-max)) / 2);

    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 629fr) minmax(0, 883fr);
    overflow: clip;
    isolation: isolate;
    container-type: inline-size;
    color: var(--color-dark);
}

/* Intro panel */

.process-steps__hero {
    background: var(--color-primary);
    color: var(--color-white);
}

.process-steps__hero-inner {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    gap: calc(40 * var(--u));
    padding: calc(80 * var(--u)) calc(80 * var(--u)) calc(80 * var(--u)) var(--edge);
}

.process-steps__title {
    display: grid;
    gap: calc(16 * var(--u));
    margin: 0;
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: var(--fw-bold);
}

.process-steps__title em {
    font-size: calc(80 * var(--u));
    font-style: italic;
    line-height: 1.1;
}

.process-steps__title span {
    font-size: calc(56 * var(--u));
    line-height: 1.1429;
}

.process-steps__intro {
    margin: 0;
    font-size: max(1rem, calc(20 * var(--u)));
    line-height: 1.6;
    letter-spacing: -0.5px;
}

.process-steps__timing {
    display: flex;
    flex-direction: column;
    gap: calc(12 * var(--u));
}

.process-steps__duration {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: calc(8 * var(--u));
    margin: 0;
}

.process-steps__icon {
    flex: none;
    width: max(1.5rem, calc(32 * var(--u)));
    height: auto;
    margin-right: calc(4 * var(--u));
    color: var(--color-accent-01);
}

.process-steps__duration-label {
    font-size: max(1rem, calc(20 * var(--u)));
    line-height: 1.6;
    letter-spacing: -0.5px;
}

.process-steps__duration-value {
    color: var(--color-accent-01);
    font-family: var(--font-body);
    font-size: max(1.125rem, calc(24 * var(--u)));
    font-weight: var(--fw-semibold);
    line-height: 1.667;
    letter-spacing: -0.75px;
}

.process-steps__note {
    margin: 0;
    color: var(--color-secondary);
    font-size: max(1rem, calc(20 * var(--u)));
    font-style: italic;
    line-height: 1.6;
    letter-spacing: -0.5px;
}

.process-steps__note-mark {
    font-size: 1rem;
    font-style: normal;
    font-weight: var(--fw-semibold);
}

/* Step cards */

.process-steps__main {
    position: relative;
    padding: calc(80 * var(--u)) var(--edge) calc(80 * var(--u)) var(--container-pad);
}

.process-steps__pattern {
    position: absolute;
    top: 298px;
    right: -134px;
    z-index: 0;
    display: block;
    width: 522px;
    height: auto;
    aspect-ratio: 1;
    opacity: 0.65;
    pointer-events: none;
}

.process-steps__list {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: min(100%, 41.5rem);
    margin: 0 0 0 auto;
    padding: 0;
    list-style: none;
}

/* The frame draws the border inside the card, so the padding gives up its width. */
.process-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: calc(2.5rem - 1px);
    border: 1px solid var(--color-secondary);
    border-radius: 12px;
    background: var(--color-white);
}

.process-card__header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.process-card__number {
    display: grid;
    flex: none;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    background: var(--color-accent-01);
    color: #0f172a;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: var(--fw-bold);
    line-height: 1.1875;
    letter-spacing: -1px;
}

.process-card--accent-02 .process-card__number {
    background: var(--color-accent-02);
}

.process-card--accent-03 .process-card__number {
    background: var(--color-accent-03);
    color: var(--color-light);
}

.process-card--primary .process-card__number {
    background: var(--color-primary);
    color: var(--color-light);
}

.process-card__title {
    margin: 0;
    color: var(--color-dark);
    font-family: var(--font-display);
    font-size: 1.625rem;
    font-weight: var(--fw-bold);
    line-height: 1.1154;
}

.process-card__duration {
    flex: none;
    margin: 0;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    background: var(--color-secondary);
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: var(--fw-bold);
    line-height: 1.375rem;
    white-space: nowrap;
}

.process-card__duration--footer {
    display: none;
}

.process-card__panel-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.process-card__desc {
    margin: 0;
    color: #374151;
    font-size: 1.25rem;
    line-height: 1.6;
    letter-spacing: -0.5px;
}

.process-card__deliverables {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.process-card__label {
    margin: 0;
    color: var(--color-dark);
    font-size: 1rem;
    font-weight: var(--fw-semibold);
    line-height: 1.5;
    text-transform: uppercase;
}

.process-card__items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.process-card__items li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: #374151;
    font-size: 1rem;
    line-height: 1.5;
}

.process-card__items li::before {
    content: "";
    flex: none;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent-01);
}

/* Entrance: each card's header, copy and list rise in turn as it scrolls in.
   Armed from script, so the cards stay put without it. */
.process-card__header,
.process-card__desc,
.process-card__deliverables {
    transition:
        opacity 0.45s ease,
        transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-card__desc {
    transition-duration: 0.42s, 0.58s;
    transition-delay: 0.1s;
}

.process-card__deliverables {
    transition-duration: 0.4s, 0.56s;
    transition-delay: 0.2s;
}

.process-steps.is-armed .process-card:not(.is-revealed) .process-card__header {
    opacity: 0;
    transform: translateY(30px);
}

.process-steps.is-armed .process-card:not(.is-revealed) .process-card__desc {
    opacity: 0;
    transform: translateY(22px);
}

.process-steps.is-armed .process-card:not(.is-revealed) .process-card__deliverables {
    opacity: 0;
    transform: translateY(16px);
}

/* Tablet: the intro panel stacks over the cards and stops sticking. */
@media (max-width: 1024px) {
    .process-steps {
        grid-template-columns: minmax(0, 1fr);
    }

    .process-steps__hero-inner {
        position: static;
        gap: 2rem;
        padding: 4rem var(--gutter);
    }

    /* Stepped, every screen lands flush with the section's top edge, which
       the floating header sits over, so the title starts clear of it. */
    .has-screen-scroll .process-steps__hero-inner {
        padding-top: 7.5rem;
    }

    .process-steps__title {
        gap: 0.75rem;
    }

    .process-steps__title em {
        font-size: 2.5rem;
        line-height: 1.2;
        letter-spacing: -0.5px;
    }

    .process-steps__title span {
        font-size: 1.5rem;
        line-height: 1.333;
        letter-spacing: -0.5px;
    }

    .process-steps__intro {
        font-size: 1rem;
        line-height: 1.5;
        letter-spacing: 0;
    }

    .process-steps__timing {
        gap: 0.5rem;
    }

    .process-steps__duration {
        gap: 0.625rem;
    }

    .process-steps__icon {
        width: 1.5rem;
        margin-right: 0;
    }

    .process-steps__duration-label {
        font-size: 1rem;
        line-height: 1.5;
        letter-spacing: 0;
    }

    .process-steps__duration-value {
        font-size: 1.125rem;
        font-weight: var(--fw-bold);
        line-height: 1.667;
        letter-spacing: -0.25px;
    }

    .process-steps__note {
        font-size: 1rem;
        line-height: 1.5;
        letter-spacing: 0;
    }

    .process-steps__main {
        padding: 2.5rem var(--gutter);
    }

    .process-steps__list {
        width: 100%;
        max-width: 41.5rem;
        margin-inline: auto;
    }

    .process-steps__pattern {
        display: none;
    }
}

/* Phone: the cards fold into an accordion (see initProcessSteps), with the
   step's duration moved to the foot of the card. */
@media (max-width: 768px) {
    .process-steps__list {
        gap: 1.25rem;
    }

    .process-card {
        gap: 1.5rem;
        padding: calc(1.5rem - 1px);
        transition: padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .process-card__title {
        font-size: 1.5rem;
        line-height: 1.333;
        letter-spacing: -0.5px;
    }

    .process-card__header .process-card__duration {
        display: none;
    }

    .process-card__duration--footer {
        display: block;
        align-self: flex-end;
    }

    .process-card__panel-inner {
        gap: 1.5rem;
    }

    .process-card__desc {
        font-size: 1rem;
        line-height: 1.5;
        letter-spacing: 0;
    }

    .process-card__label {
        font-size: 0.875rem;
        line-height: 1.375rem;
    }

    .process-card__deliverables {
        gap: 0.5rem;
    }

    .process-card__items {
        gap: 0.25rem;
    }

    .process-card__header[role="button"] {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .process-card__header[role="button"]:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 4px;
        border-radius: 999px;
    }

    /* Rows animate from 1fr to 0fr; the panel stays visible until it has
       finished closing, and turns visible at once when opening. */
    .process-card__panel {
        display: grid;
        grid-template-rows: 1fr;
        transition:
            grid-template-rows 0.4s cubic-bezier(0.16, 1, 0.3, 1),
            margin-top 0.4s cubic-bezier(0.16, 1, 0.3, 1),
            visibility 0s linear 0s;
    }

    .process-card__panel-inner {
        min-height: 0;
        overflow: hidden;
    }

    .process-card.is-collapsed {
        padding-block: calc(1rem - 1px);
    }

    /* The negative margin takes back the card's gap above the folded panel. */
    .process-card.is-collapsed .process-card__panel {
        grid-template-rows: 0fr;
        margin-top: -1.5rem;
        visibility: hidden;
        transition:
            grid-template-rows 0.4s cubic-bezier(0.16, 1, 0.3, 1),
            margin-top 0.4s cubic-bezier(0.16, 1, 0.3, 1),
            visibility 0s linear 0.4s;
    }
}

@media (prefers-reduced-motion: reduce) {
    .process-card,
    .process-card__panel,
    .process-card.is-collapsed .process-card__panel {
        transition: none;
    }
}