/* =========================================================
   Project Hero
========================================================= */

.project-hero {
    padding-block:
        clamp(4rem, 8vw, 7rem) clamp(5rem, 10vw, 9rem);
}

.project-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: clamp(3rem, 7vw, 6rem);
    color: var(--color-text-faint);
    font-size: 0.72rem;
    font-weight: 650;
}

.project-breadcrumb a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.project-breadcrumb a:hover {
    color: var(--color-accent);
}

.project-hero-grid {
    display: grid;
    grid-template-columns:
        minmax(0, 1.45fr) minmax(280px, 0.55fr);
    align-items: end;
    gap: clamp(3rem, 9vw, 8rem);
}

.project-hero-content h1 {
    max-width: 900px;
    margin-bottom: 1.8rem;
    font-size: clamp(3.4rem, 7vw, 7rem);
    line-height: 0.95;
    letter-spacing: -0.065em;
}

.project-hero-lead {
    max-width: 810px;
    margin-bottom: 0;
    color: var(--color-text-soft);
    font-size: clamp(1.08rem, 1.8vw, 1.4rem);
    line-height: 1.72;
}

.project-summary {
    border-top: 1px solid var(--color-border-strong);
}

.project-summary dl {
    margin: 0;
}

.project-summary div {
    border-bottom: 1px solid var(--color-border);
    padding-block: 1.25rem;
}

.project-summary dt {
    margin-bottom: 0.35rem;
    color: var(--color-text-faint);
    font-size: 0.64rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.project-summary dd {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 0.9rem;
    line-height: 1.55;
}


/* =========================================================
   Shared Project Section Heading
========================================================= */

.project-section-heading {
    max-width: 850px;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.project-section-heading h2 {
    margin-bottom: 0;
}


/* =========================================================
   Project Overview
========================================================= */

.project-overview-section {
    border-block: 1px solid var(--color-border);
    background:
        linear-gradient(135deg,
            rgba(140, 169, 255, 0.03),
            transparent 55%);
}

.project-overview-grid {
    display: grid;
    grid-template-columns:
        minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 9vw, 8rem);
}

.project-overview-grid h2 {
    max-width: 620px;
    margin-bottom: 0;
}

.project-overview-content {
    max-width: 720px;
}

.project-overview-content .large-text {
    margin-bottom: 1.7rem;
}

.project-overview-content p:last-child {
    margin-bottom: 0;
}


/* =========================================================
   Challenge
========================================================= */

.project-challenge-section {
    border-bottom: 1px solid var(--color-border);
}

.project-challenge-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.project-challenge-card {
    min-height: 330px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    background:
        linear-gradient(145deg,
            rgba(140, 169, 255, 0.05),
            transparent 48%),
        var(--color-surface);
}

.project-challenge-card>span {
    display: block;
    margin-bottom: 4rem;
    color: var(--color-accent);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.14em;
}

.project-challenge-card h3 {
    max-width: 300px;
    margin-bottom: 1rem;
    font-size: clamp(1.45rem, 2.3vw, 1.9rem);
}

.project-challenge-card p {
    margin-bottom: 0;
    font-size: 0.91rem;
    line-height: 1.72;
}


/* =========================================================
   Responsibilities
========================================================= */

.project-responsibility-section {
    background: var(--color-background-soft);
}

.project-responsibility-grid {
    display: grid;
    grid-template-columns:
        minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(3rem, 9vw, 8rem);
}

.project-sticky-heading {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    align-self: start;
}

.project-sticky-heading h2 {
    max-width: 600px;
    margin-bottom: 1.4rem;
}

.project-sticky-heading>p:last-child {
    max-width: 540px;
    margin-bottom: 0;
}

.responsibility-list article {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1.5rem;
    border-top: 1px solid var(--color-border);
    padding-block: 2rem;
}

.responsibility-list article:last-child {
    border-bottom: 1px solid var(--color-border);
}

.responsibility-list article>span {
    color: var(--color-accent);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.13em;
}

.responsibility-list h3 {
    margin-bottom: 0.6rem;
    font-size: 1.35rem;
}

.responsibility-list p {
    max-width: 620px;
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.75;
}


/* =========================================================
   Solution
========================================================= */

.project-solution-section {
    border-top: 1px solid var(--color-border);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.solution-card {
    min-height: 300px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    background: var(--color-surface);
    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal);
}

.solution-card:hover {
    transform: translateY(-4px);
    border-color: rgba(140, 169, 255, 0.4);
}

.solution-label {
    margin-bottom: 3rem;
    color: var(--color-accent);
    font-size: 0.67rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.solution-card h3 {
    max-width: 440px;
    margin-bottom: 1rem;
    font-size: clamp(1.45rem, 2.5vw, 2rem);
}

.solution-card p:last-child {
    max-width: 510px;
    margin-bottom: 0;
    font-size: 0.93rem;
    line-height: 1.74;
}


/* =========================================================
   Process
========================================================= */

.project-process-section {
    border-top: 1px solid var(--color-border);
    background: var(--color-background-soft);
}

.project-process-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-process-list li {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: clamp(2rem, 6vw, 6rem);
    border-top: 1px solid var(--color-border);
    padding-block: 2rem;
}

.project-process-list li:last-child {
    border-bottom: 1px solid var(--color-border);
}

.project-process-list>li>span {
    color: rgba(255, 255, 255, 0.2);
    font-size: 2.2rem;
    font-weight: 750;
    letter-spacing: -0.06em;
}

.project-process-list h3 {
    margin-bottom: 0.5rem;
}

.project-process-list p {
    max-width: 680px;
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.75;
}


/* =========================================================
   Outcome
========================================================= */

.project-outcome-section {
    border-top: 1px solid var(--color-border);
}

.project-outcome-grid {
    display: grid;
    grid-template-columns:
        minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 9vw, 8rem);
}

.project-outcome-grid h2 {
    max-width: 620px;
    margin-bottom: 0;
}

.project-outcome-content {
    max-width: 720px;
}

.project-outcome-content .large-text {
    margin-bottom: 2rem;
}

.project-outcome-content ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-outcome-content li {
    position: relative;
    border-top: 1px solid var(--color-border);
    padding: 0.85rem 0 0.85rem 1.2rem;
    color: var(--color-text-soft);
    font-size: 0.9rem;
}

.project-outcome-content li:last-child {
    border-bottom: 1px solid var(--color-border);
}

.project-outcome-content li::before {
    content: "";
    position: absolute;
    top: 1.35rem;
    left: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
}


/* =========================================================
   Skills
========================================================= */

.project-skills-section {
    border-block: 1px solid var(--color-border);
    padding-block: clamp(3rem, 6vw, 5rem);
    background: var(--color-background-soft);
}

.project-skills-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
}

.project-skills-grid .section-label {
    margin-bottom: 0;
}

.project-skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-skill-list li {
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.65rem 1rem;
    background: var(--color-surface);
    color: var(--color-text-soft);
    font-size: 0.78rem;
}


/* =========================================================
   Disclosure
========================================================= */

.project-disclosure-section {
    padding-block: 2.5rem;
}

.project-disclosure-section p {
    max-width: 850px;
    margin: 0;
    color: var(--color-text-faint);
    font-size: 0.76rem;
    line-height: 1.7;
}


/* =========================================================
   Project Navigation
========================================================= */

.project-navigation {
    border-top: 1px solid var(--color-border);
}

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

.project-navigation a {
    min-height: 220px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    padding: 2.5rem;
    transition: background-color var(--transition-normal);
}

.project-navigation a:hover {
    background: var(--color-surface);
}

.project-navigation-back {
    border-right: 1px solid var(--color-border);
}

.project-navigation-next {
    align-items: flex-end;
    text-align: right;
}

.project-navigation span {
    margin-bottom: 0.6rem;
    color: var(--color-accent);
    font-size: 0.67rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.project-navigation strong {
    max-width: 430px;
    color: var(--color-text);
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    line-height: 1.2;
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 980px) {

    .project-hero-grid,
    .project-overview-grid,
    .project-responsibility-grid,
    .project-outcome-grid {
        grid-template-columns: 1fr;
    }

    .project-summary {
        max-width: 720px;
    }

    .project-sticky-heading {
        position: static;
    }

    .project-challenge-grid {
        grid-template-columns: 1fr;
    }

    .project-challenge-card {
        min-height: auto;
    }

    .project-challenge-card>span {
        margin-bottom: 2rem;
    }

}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 700px) {

    .project-hero {
        padding-block: 3.5rem 5rem;
    }

    .project-breadcrumb {
        margin-bottom: 3rem;
    }

    .project-hero-content h1 {
        font-size: clamp(2.8rem, 13vw, 4.5rem);
        line-height: 1;
    }

    .solution-grid {
        grid-template-columns: 1fr;
    }

    .solution-card {
        min-height: auto;
        padding: 1.8rem;
    }

    .responsibility-list article {
        grid-template-columns: 42px 1fr;
        gap: 1rem;
    }

    .project-process-list li {
        grid-template-columns: 50px 1fr;
        gap: 1rem;
    }

    .project-process-list>li>span {
        font-size: 1.4rem;
    }

    .project-skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-navigation-grid {
        grid-template-columns: 1fr;
    }

    .project-navigation a {
        min-height: 170px;
        padding: 2rem 0;
    }

    .project-navigation-back {
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .project-navigation-next {
        align-items: flex-start;
        text-align: left;
    }

}


/* =========================================================
   Small Screens
========================================================= */

@media (max-width: 420px) {

    .project-hero-content h1 {
        font-size: 2.7rem;
    }

    .project-challenge-card,
    .solution-card {
        padding: 1.55rem;
    }

}