/* =========================================================
   AARON KINGSLIEN — EXPERIENCE PAGE
   ========================================================= */


/* -------------------------
   PAGE INTRODUCTION
------------------------- */

.experience-hero {
    overflow: hidden;
    padding-top: 10rem;
    padding-bottom: 5.5rem;
}

.experience-hero__background {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.experience-hero__grid {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(
            rgba(23, 54, 95, 0.045) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(23, 54, 95, 0.045) 1px,
            transparent 1px
        );
    background-size: 54px 54px;
    mask-image:
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.85),
            transparent 95%
        );
}

.experience-hero__ring {
    position: absolute;
    border: 1px solid rgba(23, 54, 95, 0.07);
    border-radius: 50%;
}

.experience-hero__ring--one {
    top: -22rem;
    right: -12rem;
    width: 42rem;
    height: 42rem;
}

.experience-hero__ring--two {
    bottom: -30rem;
    left: 12%;
    width: 46rem;
    height: 46rem;
}

.experience-hero__title {
    max-width: 940px;
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5.8vw, 5.8rem);
    font-weight: 600;
    letter-spacing: -0.065em;
    line-height: 0.98;
}

.experience-hero__summary {
    max-width: 760px;
    margin-top: 1.6rem;
    color: var(--color-text-soft);
    font-size: clamp(1rem, 1.25vw, 1.12rem);
    line-height: 1.85;
}


/* -------------------------
   TIMELINE
------------------------- */

.timeline-section {
    position: relative;
    padding: 2rem 0 7rem;
}

.experience-timeline {
    position: relative;
    display: grid;
    gap: 5.5rem;
    padding-block: 1rem;
}

.experience-timeline::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background:
        linear-gradient(
            to bottom,
            rgba(23, 54, 95, 0.12),
            rgba(213, 170, 50, 0.72) 15%,
            rgba(23, 54, 95, 0.22) 85%,
            rgba(23, 54, 95, 0.06)
        );
    content: "";
    transform: translateX(-50%);
}

.timeline-entry {
    position: relative;
    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        130px
        minmax(0, 1fr);
    align-items: start;
    min-height: 8rem;
}

/*
   IMPORTANT:
   The date and dot intentionally occupy DIFFERENT vertical positions.
   The date pill sits above the dot so the yellow node can never cover text.
*/

.timeline-entry__date {
    position: absolute;
    top: 0.35rem;
    left: 50%;
    z-index: 5;
    width: max-content;
    transform: translateX(-50%);
}

.timeline-entry__date span {
    display: inline-flex;
    min-height: 2rem;
    align-items: center;
    justify-content: center;
    padding: 0.42rem 0.78rem;
    border: 1px solid var(--color-border-dark);
    border-radius: 999px;
    background: var(--color-background);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.065em;
    line-height: 1;
    white-space: nowrap;
}

.timeline-entry__marker {
    position: absolute;
    top: 3.25rem;
    left: 50%;
    z-index: 4;
    display: grid;
    width: 1.15rem;
    height: 1.15rem;
    place-items: center;
    border: 3px solid var(--color-background);
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow:
        0 0 0 1px rgba(23, 54, 95, 0.16),
        0 6px 18px rgba(23, 54, 95, 0.12);
    transform: translateX(-50%);
}

.timeline-entry__marker span {
    width: 0.28rem;
    height: 0.28rem;
    border-radius: 50%;
    background: var(--color-primary-dark);
}

.timeline-entry--left .timeline-card {
    grid-column: 1;
    grid-row: 1;
    margin-right: 1.7rem;
}

.timeline-entry--right .timeline-card {
    grid-column: 3;
    grid-row: 1;
    margin-left: 1.7rem;
}


/* -------------------------
   EXPERIENCE CARD
------------------------- */

.timeline-card {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    box-shadow: var(--shadow-medium);
    transition:
        border-color var(--transition-standard),
        box-shadow var(--transition-standard),
        transform var(--transition-standard);
}

.timeline-entry.is-visible .timeline-card {
    border-color: rgba(23, 54, 95, 0.24);
    box-shadow: var(--shadow-large);
}

.timeline-card:hover {
    border-color: rgba(23, 54, 95, 0.28);
}

.timeline-card__header {
    padding: 1.55rem 1.65rem 1.35rem;
}

.experience-type {
    display: inline-flex;
    min-height: 1.65rem;
    align-items: center;
    padding: 0.35rem 0.58rem;
    border-radius: 999px;
    font-size: 0.59rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.experience-type--research {
    background: rgba(40, 87, 132, 0.10);
    color: var(--color-primary-light);
}

.experience-type--industry {
    background: rgba(213, 170, 50, 0.14);
    color: #8b6b12;
}

.experience-type--leadership {
    background: rgba(44, 122, 82, 0.11);
    color: #226541;
}

.experience-type--professional {
    background: rgba(96, 105, 121, 0.11);
    color: var(--color-text-soft);
}

.timeline-card h2 {
    margin-top: 0.85rem;
    font-family: var(--font-heading);
    font-size: clamp(1.65rem, 2.2vw, 2.25rem);
    font-weight: 600;
    letter-spacing: -0.045em;
    line-height: 1.08;
}

.timeline-card__role {
    margin-top: 0.45rem;
    color: var(--color-text-light);
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1.55;
}

.timeline-card__image-wrap {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-surface-soft);
}

.timeline-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.timeline-card:hover .timeline-card__image {
    transform: scale(1.025);
}

.timeline-card__body {
    padding: 1.55rem 1.65rem 1.7rem;
}

.timeline-card__body > p {
    color: var(--color-text-soft);
    font-size: 0.86rem;
    line-height: 1.78;
}

.timeline-card__body > p + p {
    margin-top: 0.9rem;
}


/* -------------------------
   KEY CONTRIBUTIONS
------------------------- */

.timeline-card__contributions {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.timeline-card__contributions h3 {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.timeline-card__contributions ul {
    display: grid;
    gap: 0.72rem;
    margin-top: 0.9rem;
}

.timeline-card__contributions li {
    position: relative;
    padding-left: 1rem;
    color: var(--color-text-soft);
    font-size: 0.78rem;
    line-height: 1.6;
}

.timeline-card__contributions li::before {
    position: absolute;
    top: 0.64rem;
    left: 0;
    width: 0.34rem;
    height: 0.34rem;
    border-radius: 50%;
    background: var(--color-accent);
    content: "";
}


/* -------------------------
   TOOLS & SKILLS
------------------------- */

.timeline-card__tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.55rem;
    margin-top: 1.45rem;
    padding-top: 1.15rem;
    border-top: 1px solid var(--color-border);
}

.timeline-card__tools strong {
    width: 100%;
    margin-bottom: 0.15rem;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
}

.timeline-card__tools span {
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-primary-light);
    font-size: 0.59rem;
    font-weight: 800;
    line-height: 1;
}


/* -------------------------
   WHAT'S NEXT
------------------------- */

.experience-next {
    padding-top: 2rem;
    padding-bottom: 4.5rem;
    background: var(--color-background);
}

.experience-next__card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4rem;
    align-items: center;
    overflow: hidden;
    padding: clamp(2.5rem, 5vw, 4.5rem);
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            130deg,
            var(--color-primary-dark),
            var(--color-primary)
        );
    color: var(--color-white);
    box-shadow: var(--shadow-large);
}

.experience-next__card::before,
.experience-next__card::after {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    content: "";
}

.experience-next__card::before {
    top: -10rem;
    right: 12%;
    width: 24rem;
    height: 24rem;
}

.experience-next__card::after {
    right: -7rem;
    bottom: -10rem;
    width: 21rem;
    height: 21rem;
}

.experience-next__content,
.experience-next__actions {
    position: relative;
    z-index: 2;
}

.experience-next__card .eyebrow {
    color: rgba(255, 255, 255, 0.67);
}

.experience-next__card h2 {
    max-width: 760px;
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4vw, 4rem);
    letter-spacing: -0.055em;
    line-height: 1.05;
}

.experience-next__content > p:last-child {
    max-width: 650px;
    margin-top: 1.1rem;
    color: rgba(255, 255, 255, 0.68);
}

.experience-next__actions {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}


/* -------------------------
   CONTINUE TO LEADERSHIP
------------------------- */

.experience-continue {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    padding-top: 2.75rem;
    padding-bottom: 0.5rem;
}

.experience-continue .button {
    min-width: 250px;
}


/* -------------------------
   RESPONSIVE
------------------------- */

@media screen and (max-width: 1080px) {
    .experience-timeline {
        gap: 4.5rem;
    }

    .timeline-entry {
        grid-template-columns:
            minmax(0, 1fr)
            105px
            minmax(0, 1fr);
    }

    .timeline-entry--left .timeline-card {
        margin-right: 1rem;
    }

    .timeline-entry--right .timeline-card {
        margin-left: 1rem;
    }

    .timeline-card__header,
    .timeline-card__body {
        padding-inline: 1.35rem;
    }
}

@media screen and (max-width: 820px) {
    .experience-hero {
        padding-top: 8.5rem;
        padding-bottom: 4rem;
    }

    .experience-timeline {
        gap: 3rem;
        padding-left: 2.2rem;
    }

    .experience-timeline::before {
        left: 0.72rem;
        transform: none;
    }

    .timeline-entry {
        display: block;
        min-height: 0;
    }

    .timeline-entry__date {
        position: static;
        width: max-content;
        margin-bottom: 1rem;
        transform: none;
    }

    .timeline-entry__marker {
        top: 3.15rem;
        left: -1.48rem;
        transform: none;
    }

    .timeline-entry--left .timeline-card,
    .timeline-entry--right .timeline-card {
        margin: 0;
    }

    .timeline-card__image-wrap {
        aspect-ratio: 16 / 10;
    }

    .experience-next__card {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .experience-next__actions {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

@media screen and (max-width: 620px) {
    .experience-hero__title {
        font-size: clamp(2.7rem, 12vw, 4rem);
    }

    .experience-timeline {
        padding-left: 1.7rem;
    }

    .experience-timeline::before {
        left: 0.48rem;
    }

    .timeline-entry__marker {
        left: -1.26rem;
    }

    .timeline-card__header {
        padding: 1.25rem 1.15rem 1rem;
    }

    .timeline-card__body {
        padding: 1.25rem 1.15rem 1.35rem;
    }

    .timeline-card h2 {
        font-size: 1.65rem;
    }

    .timeline-card__body > p {
        font-size: 0.83rem;
    }

    .timeline-card__contributions li {
        font-size: 0.75rem;
    }

    .experience-next__actions {
        flex-direction: column;
    }

    .experience-next__actions .button {
        width: 100%;
    }

    .experience-continue {
        padding-top: 2rem;
    }

    .experience-continue .button {
        width: 100%;
        max-width: 320px;
        min-width: 0;
    }
}

@media screen and (max-width: 480px) {
    .timeline-card {
        border-radius: var(--radius-small);
    }

    .timeline-card__image-wrap {
        aspect-ratio: 4 / 3;
    }

    .timeline-card__tools span {
        font-size: 0.56rem;
    }
}


/* -------------------------
   REDUCED MOTION
------------------------- */

@media (prefers-reduced-motion: reduce) {
    .timeline-card__image {
        transition: none;
    }
}