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

.portfolio-section {
    position: relative;
    overflow: hidden;
}

.portfolio-carousel {
    position: relative;
    width: 100%;
    margin-top: 50px;
    display: flex;
    align-items: center;
    gap: 14px;
}

/* =========================================================
   HORIZONTAL TRACK
========================================================= */

.portfolio-track {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-wrap: nowrap;
    gap: 24px;

    overflow-x: scroll;
    overflow-y: hidden;

    padding: 10px max(24px, calc((100vw - 1200px) / 2)) 30px;

    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    scroll-padding-left: max(24px, calc((100vw - 1200px) / 2));

    /* Desktop */
    cursor: grab;

    /* Firefox */
    scrollbar-width: none;

    /* Prevent browser from blocking horizontal gesture */
    touch-action: pan-x;
    overscroll-behavior-x: contain;

    -webkit-overflow-scrolling: touch;
}

.portfolio-track::-webkit-scrollbar {
    display: none;
}

.portfolio-track.dragging {
    cursor: grabbing;
    scroll-behavior: auto;
}

/* =========================================================
   CARD
========================================================= */

.portfolio-card {
    position: relative;

    flex: 0 0 370px;
    width: 370px;
    min-width: 370px;

    background: #ffffff;

    border: 1px solid #e5eaf0;
    border-radius: 20px;

    overflow: hidden;

    scroll-snap-align: start;

    box-shadow: 0 15px 40px rgba(10, 25, 45, 0.07);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-6px);

    box-shadow:
        0 22px 55px rgba(10, 25, 45, 0.12);
}

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

.portfolio-image {
    position: relative;

    width: 100%;
    height: 235px;

    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            #1a2d65,
            #37517e
        );
}

.portfolio-image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    transition: transform 0.5s ease;
}

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

/* =========================================================
   IMAGE OVERLAY
========================================================= */

.portfolio-overlay {
    position: absolute;

    inset: 0;

    display: flex;
    align-items: flex-end;

    padding: 20px;

    background:
        linear-gradient(
            to top,
            rgba(5, 15, 30, 0.75),
            rgba(5, 15, 30, 0)
        );
}

.portfolio-overlay span {
    display: inline-flex;

    padding: 7px 11px;

    border-radius: 999px;

    background: rgba(255, 255, 255, 0.12);

    border: 1px solid rgba(255, 255, 255, 0.2);

    color: #ffffff;

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.12em;

    backdrop-filter: blur(8px);
}

/* =========================================================
   CONTENT
========================================================= */

.portfolio-info {
    padding: 25px;
}

.portfolio-type {
    display: block;

    margin-bottom: 9px;

    color: #37517e;

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 0.1em;

    text-transform: uppercase;
}

.portfolio-info h3 {
    margin: 0 0 12px;

    color: #1a2d65;

    font-size: 22px;
    line-height: 1.25;
}

.portfolio-info p {
    margin: 0;

    color: #667085;

    font-size: 14px;
    line-height: 1.7;

    min-height: 72px;
}

/* =========================================================
   TAGS
========================================================= */

.portfolio-meta {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;

    margin-top: 20px;
}

.portfolio-meta span {
    display: inline-flex;

    padding: 7px 10px;

    border-radius: 7px;

    background: #f2f6fb;

    color: #526174;

    font-size: 11px;
    font-weight: 700;
}

/* =========================================================
   ARROWS
========================================================= */

.portfolio-arrow {
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid #d8e1ec;
    border-radius: 50%;
    background: #fff;
    color: #14243a;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(11, 30, 58, .08);
    transition: .2s ease;
    z-index: 2;
}

.portfolio-arrow:hover {
    border-color: #9db9e5;
    background: #f5f9ff;
    transform: translateY(-1px);
}

.portfolio-arrow:disabled {
    opacity: 0.35;

    cursor: not-allowed;

    pointer-events: none;
}

.portfolio-prev {
    order: -1;
}

.portfolio-next {
    order: 1;
}

/* =========================================================
   BOTTOM
========================================================= */

.portfolio-bottom {
    display: flex;

    justify-content: space-between;
    align-items: center;

    gap: 20px;

    margin-top: 10px;
}

.portfolio-note {
    color: #7a8797;

    font-size: 12px;
}

.portfolio-note span {
    color: #ff5757;

    margin-right: 7px;
}

.portfolio-scroll-hint {
    color: #37517e;

    font-size: 12px;
    font-weight: 700;
}

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

@media (max-width: 768px) {

    .portfolio-carousel {
        margin-top: 35px;
        gap: 7px;
    }

    .portfolio-track {
        width: auto;

        gap: 16px;

        padding-top: 10px;
        padding-right: 20px;
        padding-bottom: 25px;
        padding-left: 20px;

        scroll-padding-left: 20px;

        overflow-x: auto;
        overflow-y: hidden;

        scroll-snap-type: x mandatory;

        touch-action: pan-x;

        cursor: grab;
    }

    .portfolio-card {
        flex: 0 0 82vw;

        width: 82vw;
        min-width: 82vw;

        border-radius: 17px;

        scroll-snap-align: start;
    }

    .portfolio-image {
        height: 205px;
    }

    .portfolio-info {
        padding: 21px;
    }

    .portfolio-info h3 {
        font-size: 20px;
    }

    .portfolio-info p {
        min-height: auto;
    }

    .portfolio-arrow {
        flex-basis: 38px;
        width: 40px;
        height: 40px;

        font-size: 23px;
    }

    .portfolio-bottom {
        flex-direction: column;

        align-items: flex-start;

        margin-top: 5px;
    }

    .portfolio-scroll-hint {
        display: block;
    }
}

/* =========================================================
   VERY SMALL MOBILE
========================================================= */

@media (max-width: 480px) {

    .portfolio-track {
        gap: 14px;

        padding-left: 16px;
        padding-right: 16px;

        scroll-padding-left: 16px;
    }

    .portfolio-card {
        flex: 0 0 88vw;

        width: 88vw;
        min-width: 88vw;
    }

    .portfolio-image {
        height: 190px;
    }

    .portfolio-info {
        padding: 18px;
    }

    .portfolio-info h3 {
        font-size: 19px;
    }

    .portfolio-info p {
        font-size: 13px;
    }

    .portfolio-arrow {
        flex-basis: 34px;
        width: 34px;
        height: 34px;

        font-size: 21px;
    }
}

/* Mobile layout and motion refinements */
@media (max-width: 900px) {
    .hero {
        min-height: min(680px, 100svh);
        height: auto;
        padding: 100px 0 92px;
    }

    .hero-content {
        min-height: 430px;
    }

    .hero-copy {
        width: auto;
        padding-top: 0;
    }

    .hero h1 {
        max-width: 13ch;
        font-size: clamp(38px, 9vw, 62px);
        letter-spacing: -.045em;
    }

    .hero p {
        max-width: 56ch;
        font-size: 16px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
    }

    .slider-prev { left: 12px; }
    .slider-next { right: 12px; }

    .section { padding: 72px 0; }
    .about { gap: 32px; }
    .cta-box { padding: 36px; }
}

@media (max-width: 600px) {
    .hero {
        min-height: 620px;
        min-height: min(720px, 100svh);
        padding: 88px 0 100px;
    }

    .hero-content { min-height: 450px; }
    .hero h1 { font-size: clamp(36px, 10vw, 48px); }
    .hero p { margin: 18px 0 24px; font-size: 15px; }
    .actions { display: grid; grid-template-columns: 1fr; }
    .actions .btn { width: 100%; text-align: center; }
    .slider-arrow { top: auto; bottom: 22px; transform: none; }
    .slider-prev { left: 20px; }
    .slider-next { right: 20px; }
    .slider-controls { bottom: 39px; }

    .about-panel { min-height: 320px; padding: 26px; }
    .seal { margin-top: 70px; }
    .points { grid-template-columns: 1fr; gap: 18px; }
    .project, .project.large { min-height: 260px; padding: 22px; }
    .process { grid-template-columns: 1fr; }
    .step, .step:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
    .step:last-child { border-bottom: 0; }
    .cta { padding: 42px 0; }
    .cta-box { align-items: stretch; flex-direction: column; padding: 28px 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .container { width: min(100% - 32px, 1180px); }
}

@media (prefers-reduced-motion: reduce) {
    .portfolio-track { animation: none !important; }
    .hero-slide, .portfolio-card, .portfolio-image img { transition: none !important; }
    html { scroll-behavior: auto; }
}


.portfolio-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 36px 40px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--soft);
}

.portfolio-link-card h2 {
    margin: 6px 0 8px;
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.2;
}

.portfolio-link-card p {
    color: var(--muted);
}

@media (max-width: 640px) {
    .portfolio-link-card {
        align-items: flex-start;
        flex-direction: column;
        padding: 28px 24px;
    }
}


/* Vertical portfolio gallery on the dedicated portfolio page */
.portfolio-section .portfolio-carousel {
    display: block;
    max-width: 1180px;
    margin: 42px auto 0;
}

.portfolio-section .portfolio-arrow {
    display: none;
}

.portfolio-section .portfolio-track {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 0 0 24px;
    overflow: visible;
    cursor: default;
    scroll-snap-type: none;
}

.portfolio-section .portfolio-card {
    width: auto;
    min-width: 0;
    height: 100%;
}

.portfolio-section .portfolio-image {
    height: auto;
    aspect-ratio: 16 / 10;
}

@media (max-width: 900px) {
    .portfolio-section .portfolio-track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }
}

@media (max-width: 600px) {
    .portfolio-section .portfolio-track {
        grid-template-columns: 1fr;
        width: min(100% - 32px, 520px);
        gap: 20px;
    }
}


.technical-portfolio .section-head {
    margin-bottom: 42px;
}

.technical-portfolio h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.15;
}

.technical-gallery-category h2 {
    margin-bottom: 22px;
    color: var(--ink);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.technical-gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.technical-gallery-item {
    display: block;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    cursor: default;
    background: var(--soft);
    aspect-ratio: 4 / 3;
}

.technical-gallery-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.technical-gallery-empty {
    color: var(--muted);
}

@media (max-width: 900px) {
    .technical-gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .technical-gallery-grid {
        grid-template-columns: 1fr;
    }
}