/* ============================================================
   PORTFOLIO VIEW
   ============================================================ */

.portfolio-view-header {
    padding-top: clamp(70px, 9vw, 130px);
    padding-bottom: clamp(50px, 7vw, 90px);
}

.portfolio-view-header-content {
    max-width: 950px;
}

.portfolio-back-link {
    display: inline-flex;
    margin-bottom: 32px;
    color: inherit;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.portfolio-back-link:hover {
    transform: translateX(-4px);
    opacity: 0.7;
}

.portfolio-view-category {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}

.portfolio-view-category span {
    display: inline-flex;
    align-items: center;
    padding: 7px 13px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.portfolio-view-header h1 {
    max-width: 900px;
    margin: 0;
    font-size: clamp(2.5rem, 6vw, 6rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.portfolio-view-intro {
    max-width: 780px;
    margin-top: 28px;
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    line-height: 1.75;
    opacity: 0.78;
}


/* ============================================================
   PROJECT IMAGE
   ============================================================ */

.portfolio-view-media {
    padding-top: 0;
}

.portfolio-view-image {
    width: 100%;
    overflow: hidden;
    border-radius: 24px;
    background: #eee;
}

.portfolio-view-image img {
    display: block;
    width: 100%;
    height: clamp(300px, 55vw, 680px);
    object-fit: cover;
    transition: transform 0.8s ease;
}

.portfolio-view-image:hover img {
    transform: scale(1.025);
}


/* ============================================================
   OVERVIEW
   ============================================================ */

.portfolio-view-overview {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(250px, 0.7fr);
    gap: clamp(40px, 8vw, 120px);
    align-items: start;
}

.portfolio-view-main {
    max-width: 850px;
}

.portfolio-view-main h2 {
    margin: 0 0 24px;
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.portfolio-view-main > p:last-child {
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.85;
    opacity: 0.78;
}

.portfolio-view-meta {
    border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.portfolio-meta-item {
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.portfolio-meta-item span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.55;
}

.portfolio-meta-item strong {
    font-size: 0.95rem;
}


/* ============================================================
   CHALLENGE / SOLUTION
   ============================================================ */

.portfolio-view-story {
    background: rgba(0, 0, 0, 0.025);
}

.portfolio-story-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.portfolio-story-card {
    position: relative;
    padding: clamp(28px, 5vw, 55px);
    border: 1px solid rgba(0, 0, 0, 0.09);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.65);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.portfolio-story-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.portfolio-story-number {
    display: block;
    margin-bottom: 45px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    opacity: 0.5;
}

.portfolio-story-card h2 {
    margin: 0 0 20px;
    font-size: clamp(1.6rem, 3vw, 2.7rem);
    line-height: 1.08;
}

.portfolio-story-card p:last-child {
    margin: 0;
    line-height: 1.8;
    opacity: 0.75;
}


/* ============================================================
   RESULTS
   ============================================================ */

.portfolio-results-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.portfolio-result-card {
    min-height: 190px;
    padding: 25px;
    border-top: 2px solid currentColor;
    transition:
        transform 0.3s ease,
        background 0.3s ease;
}

.portfolio-result-card:hover {
    transform: translateY(-5px);
    background: rgba(0, 0, 0, 0.025);
}

.portfolio-result-card span {
    display: block;
    margin-bottom: 55px;
    font-size: 0.75rem;
    font-weight: 800;
    opacity: 0.45;
}

.portfolio-result-card h3 {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.4;
}


/* ============================================================
   SERVICES / TECHNOLOGY
   ============================================================ */

.portfolio-view-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(35px, 7vw, 100px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.portfolio-detail-block h2 {
    margin: 0 0 25px;
    font-size: clamp(1.7rem, 3vw, 2.7rem);
    letter-spacing: -0.03em;
}

.portfolio-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.portfolio-tag-list span {
    padding: 10px 15px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 999px;
    font-size: 0.85rem;
    transition:
        transform 0.25s ease,
        background 0.25s ease;
}

.portfolio-tag-list span:hover {
    transform: translateY(-2px);
    background: rgba(0, 0, 0, 0.04);
}


/* ============================================================
   RELATED PROJECTS
   ============================================================ */

.portfolio-related {
    background: rgba(0, 0, 0, 0.025);
}

.portfolio-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.portfolio-related-card {
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.09);
    border-radius: 20px;
    background: #fff;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.portfolio-related-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.1);
}

.portfolio-related-image {
    display: block;
    overflow: hidden;
}

.portfolio-related-image img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-related-card:hover .portfolio-related-image img {
    transform: scale(1.05);
}

.portfolio-related-content {
    padding: 25px;
}

.portfolio-related-category {
    display: block;
    margin-bottom: 12px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.55;
}

.portfolio-related-content h3 {
    margin: 0 0 12px;
    font-size: 1.35rem;
}

.portfolio-related-content p {
    margin: 0 0 20px;
    line-height: 1.65;
    opacity: 0.7;
}

.portfolio-related-link {
    color: inherit;
    text-decoration: none;
    font-weight: 700;
}


/* ============================================================
   CTA
   ============================================================ */

.portfolio-view-cta {
    padding-top: clamp(70px, 10vw, 140px);
    padding-bottom: clamp(70px, 10vw, 140px);
}

.portfolio-view-cta-inner {
    max-width: 850px;
}

.portfolio-view-cta h2 {
    margin: 0 0 20px;
    font-size: clamp(2.4rem, 5vw, 5rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.portfolio-view-cta p:not(.eyebrow) {
    max-width: 700px;
    margin-bottom: 30px;
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.75;
}


/* ============================================================
   ERROR
   ============================================================ */

.portfolio-view-error {
    min-height: 65vh;
    display: flex;
    align-items: center;
}

.portfolio-view-error-inner {
    max-width: 700px;
}

.portfolio-view-error h1 {
    margin: 0 0 20px;
    font-size: clamp(2.5rem, 6vw, 5rem);
}

.portfolio-view-error p:not(.eyebrow) {
    margin-bottom: 30px;
    line-height: 1.8;
    opacity: 0.75;
}


/* ============================================================
   ANIMATION
   ============================================================ */

@keyframes portfolioFadeUp {

    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }

}

.portfolio-view-header-content,
.portfolio-view-media,
.portfolio-view-overview,
.portfolio-story-card,
.portfolio-result-card,
.portfolio-detail-block,
.portfolio-related-card,
.portfolio-view-cta-inner {
    animation: portfolioFadeUp 0.7s ease both;
}


/* ============================================================
   MOBILE
   ============================================================ */

@media (max-width: 900px) {

    .portfolio-view-overview {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .portfolio-story-grid {
        grid-template-columns: 1fr;
    }

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

    .portfolio-view-details {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

}


@media (max-width: 640px) {

    .portfolio-view-header {
        padding-top: 55px;
        padding-bottom: 45px;
    }

    .portfolio-view-header h1 {
        font-size: clamp(2.4rem, 12vw, 4rem);
    }

    .portfolio-view-intro {
        font-size: 1rem;
        line-height: 1.65;
    }

    .portfolio-view-image {
        border-radius: 16px;
    }

    .portfolio-view-image img {
        height: 280px;
    }

    .portfolio-story-card {
        padding: 25px;
    }

    .portfolio-results-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-result-card {
        min-height: auto;
    }

    .portfolio-result-card span {
        margin-bottom: 30px;
    }

    .portfolio-related-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-related-content {
        padding: 22px;
    }

    .portfolio-view-cta h2 {
        font-size: clamp(2.4rem, 11vw, 4rem);
    }

}