/* ==========================================================================
   LUX&GO — How It Works / Join · Book · Use
   ========================================================================== */

.hiw-process {
    padding-block: clamp(70px, 6vw, 90px);
    background-color: var(--color-off-white);
}

/* Header ----------------------------------------------------------------------- */

.hiw-process__header {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns), 1fr);
    column-gap: var(--grid-gap);
    align-items: end;
    margin-bottom: clamp(44px, 3.8vw, 68px);
}

.hiw-process__heading {
    grid-column: 1 / 8;
}

.hiw-process__eyebrow {
    font-family: var(--font-body);
    font-weight: var(--fw-semibold);
    font-size: clamp(0.6875rem, 0.65rem + 0.1vw, 0.8125rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-lux-blue);
}

.hiw-process__title {
    margin-top: clamp(12px, 1.1vw, 18px);
    font-family: var(--font-heading);
    font-weight: var(--fw-medium);
    font-size: clamp(2.375rem, 2rem + 1.05vw, 3rem);
    line-height: 1.06;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--color-text);
}

.hiw-process__intro {
    grid-column: 9 / 13;
    font-family: var(--font-body);
    font-weight: var(--fw-regular);
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    color: var(--color-text-muted);
}

/* Horizontal flow -------------------------------------------------------------- */

/*
   Three steps on one row, joined by a hairline that runs from each marker into
   the next column. Column gap is carried by the step's own padding so the
   connector can bridge it — never three separate cards.
*/
.hiw-process__flow {
    --flow-pad: clamp(28px, 2.8vw, 60px);

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hiw-process__step {
    padding-right: var(--flow-pad);
}

.hiw-process__step:last-child {
    padding-right: 0;
}

.hiw-process__number {
    font-family: var(--font-heading);
    font-weight: var(--fw-medium);
    font-size: clamp(2.5rem, 2.1rem + 1.2vw, 3.5rem);
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--color-lux-blue);
}

.hiw-process__track {
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.1vw, 20px);
    margin-top: clamp(20px, 1.8vw, 30px);
}

.hiw-process__marker {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: clamp(48px, 3.8vw, 60px);
    height: clamp(48px, 3.8vw, 60px);
    border: var(--border-thin);
    border-radius: 50%;
    background-color: var(--color-white);
}

.hiw-process__icon {
    display: block;
    width: 20px;
    height: 20px;
}

/* Reaches past the step's own padding to meet the next marker, then fades out. */
.hiw-process__connector {
    flex: 1;
    height: 1px;
    margin-right: calc(-1 * var(--flow-pad));
    background: linear-gradient(
        to right,
        var(--color-border) 0%,
        var(--color-border) 72%,
        rgba(228, 230, 232, 0) 100%
    );
}

.hiw-process__step-title {
    margin-top: clamp(22px, 2vw, 34px);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: clamp(1rem, 0.94rem + 0.2vw, 1.25rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text);
}

.hiw-process__step-copy {
    max-width: 300px;
    margin-top: clamp(8px, 0.8vw, 12px);
    font-family: var(--font-body);
    font-weight: var(--fw-regular);
    font-size: clamp(0.875rem, 0.85rem + 0.08vw, 0.9375rem);
    line-height: 1.6;
    color: var(--color-text-muted);
}

/* Tablet and mobile ------------------------------------------------------------- */

/*
   The horizontal flow becomes a vertical timeline. The track already groups the
   marker and the connector, so turning it into a column gives the left rail
   directly — the connector then runs from each icon down to the next.
*/
@media (max-width: 1023px) {
    .hiw-process {
        padding-block: clamp(48px, 10vw, 70px);
    }

    .hiw-process__header {
        grid-template-columns: minmax(0, 1fr);
        row-gap: clamp(14px, 2.4vw, 22px);
        margin-bottom: clamp(30px, 5vw, 44px);
    }

    .hiw-process__heading,
    .hiw-process__intro {
        grid-column: 1 / -1;
        max-width: 560px;
    }

    .hiw-process__flow {
        grid-template-columns: minmax(0, 1fr);
    }

    .hiw-process__step {
        --step-gap: clamp(30px, 5vw, 44px);

        display: grid;
        grid-template-columns: 44px minmax(0, 1fr);
        column-gap: clamp(14px, 2.6vw, 20px);
        padding-right: 0;
        padding-bottom: var(--step-gap);
    }

    .hiw-process__step:last-child {
        padding-bottom: 0;
    }

    /* span, not -1: these rows are implicit and a negative line has nothing to
       resolve against. */
    .hiw-process__track {
        grid-column: 1;
        grid-row: 1 / span 3;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-top: 0;
    }

    .hiw-process__marker {
        width: 44px;
        height: 44px;
    }

    /* flex: 1 from the base rule fills the rail; only the axis changes. */
    .hiw-process__connector {
        width: 1px;
        height: auto;
        margin-right: 0;
        margin-bottom: calc(-1 * var(--step-gap));
        background: linear-gradient(
            to bottom,
            var(--color-border) 0%,
            var(--color-border) 82%,
            rgba(228, 230, 232, 0) 100%
        );
    }

    .hiw-process__number {
        grid-column: 2;
        grid-row: 1;
        align-self: center;
        font-size: clamp(2rem, 1.8rem + 0.9vw, 2.5rem);
    }

    .hiw-process__step-title {
        grid-column: 2;
        grid-row: 2;
        margin-top: clamp(10px, 1.8vw, 14px);
    }

    .hiw-process__step-copy {
        grid-column: 2;
        grid-row: 3;
        max-width: none;
    }
}

@media (max-width: 767px) {
    .hiw-process__title {
        font-size: clamp(1.875rem, 1.6rem + 1.2vw, 2.375rem);
    }

    .hiw-process__step-title {
        font-size: clamp(1.125rem, 1.05rem + 0.3vw, 1.375rem);
    }
}