/* Portfolio listing, project detail and the 404 page. */

.pf-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.pf-hero {
    position: relative;
    overflow: hidden;
    color: #ffffff;
    padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(3.5rem, 7vw, 5.5rem);
    background:
        radial-gradient(720px 380px at 88% -8%, rgba(37, 99, 235, 0.38), transparent 70%),
        radial-gradient(520px 320px at 2% 110%, rgba(6, 182, 212, 0.12), transparent 70%),
        var(--dark-bg);
}

.pf-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
    mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

.pf-hero .container {
    position: relative;
}

.pf-hero-inner {
    max-width: 780px;
}

.pf-hero-title {
    font-size: clamp(2.25rem, 6vw, 3.9rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.08;
    margin-bottom: 1.1rem;
    overflow-wrap: break-word;
}

.pf-hero-lead {
    max-width: 62ch;
    font-size: clamp(1.02rem, 1.6vw, 1.18rem);
    line-height: 1.65;
    color: #cbd5e1;
}

.pf-hero-eyebrow {
    margin-bottom: 0.75rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #93c5fd;
}

.pf-hero-client {
    margin: -0.4rem 0 1rem;
    font-weight: 600;
    color: #e2e8f0;
}

.pf-hero--project {
    padding-top: clamp(2rem, 4vw, 3rem);
    padding-bottom: clamp(7.5rem, 17vw, 14rem);
}

.pf-breadcrumb {
    margin-bottom: clamp(2rem, 4vw, 3rem);
    font-size: 0.9rem;
}

.pf-breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.55rem;
    color: #cbd5e1;
}

.pf-breadcrumb li + li::before {
    content: '/';
    margin-right: 0.55rem;
    color: #64748b;
}

.pf-breadcrumb a {
    color: #cbd5e1;
    text-decoration: underline;
    text-decoration-color: rgba(203, 213, 225, 0.35);
    text-underline-offset: 3px;
}

.pf-breadcrumb a:hover {
    color: #ffffff;
    text-decoration-color: currentColor;
}

.pf-breadcrumb [aria-current] {
    color: #ffffff;
    font-weight: 600;
}

.pf-breadcrumb a:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
    border-radius: 3px;
}

.pf-concept-note {
    display: inline-flex;
    align-items: flex-start;
    gap: 0.55rem;
    margin-top: 1.4rem;
    padding: 0.6rem 1rem;
    background: rgba(147, 197, 253, 0.12);
    border: 1px solid rgba(147, 197, 253, 0.35);
    border-radius: var(--radius-md);
    color: #e0f2fe;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.5;
}

.pf-concept-note svg {
    flex: none;
    margin-top: 0.15rem;
    color: #93c5fd;
}

.pf-preview-bar {
    padding: 0.7rem 1.5rem;
    background: #fef3c7;
    color: #78350f;
    text-align: center;
    font-size: 0.92rem;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Listing
   -------------------------------------------------------------------------- */
.pf-listing {
    padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
    background: var(--light-bg);
}

.pf-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.pf-filter[hidden] {
    display: none;
}

.pf-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-pill);
    background: #ffffff;
    color: var(--light-text-head);
    font-size: 0.92rem;
    font-weight: 600;
    transition: background-color var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.pf-chip:hover {
    border-color: var(--primary);
    color: var(--primary-hover);
    background: var(--primary-light);
}

.pf-chip[aria-pressed="true"] {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.pf-chip:focus-visible {
    outline: 3px solid var(--primary-hover);
    outline-offset: 2px;
}

.pf-chip-count {
    min-width: 1.45rem;
    padding: 0 0.35rem;
    border-radius: var(--radius-pill);
    background: #eef2f7;
    color: var(--light-text-body);
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.45rem;
    text-align: center;
}

.pf-chip[aria-pressed="true"] .pf-chip-count {
    background: rgba(255, 255, 255, 0.22);
    color: #ffffff;
}

.pf-grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.25rem, 2.6vw, 2.25rem);
}

.pf-grid-item[hidden] {
    display: none;
}

.pf-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) ease;
}

.pf-card:hover,
.pf-card:focus-within {
    border-color: var(--border-hover);
    box-shadow: 0 24px 44px -18px rgba(15, 23, 42, 0.24);
}

.pf-card:focus-within {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.pf-card:has(.pf-card-link:focus:not(:focus-visible)) {
    outline: none;
}

.pf-card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #0d152a, #172554);
}

.pf-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-slow) var(--ease-out);
}

@media (prefers-reduced-motion: no-preference) {
    .pf-card:hover .pf-card-media img,
    .pf-card:focus-within .pf-card-media img {
        transform: scale(1.05);
    }
}

.pf-card-fallback {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.22);
}

.pf-tag {
    position: absolute;
    top: 0.9rem;
    left: 0.9rem;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-pill);
    background: rgba(7, 13, 30, 0.86);
    color: #ffffff;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.pf-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: clamp(1.25rem, 2.2vw, 1.75rem);
}

.pf-eyebrow {
    margin-bottom: 0.4rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--primary-hover);
}

.pf-card-title {
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.25;
    color: var(--light-text-head);
    margin-bottom: 0.6rem;
}

.pf-card-link {
    color: inherit;
    outline: none;
}

/* The whole card is the link's click area */
.pf-card-link::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
}

.pf-card-summary {
    color: var(--light-text-body);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 1.1rem;
}

.pf-card-more {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: auto;
    color: var(--primary-hover);
    font-size: 0.92rem;
    font-weight: 700;
}

.pf-card-more svg {
    transition: transform var(--dur-base) var(--ease-out);
}

@media (prefers-reduced-motion: no-preference) {
    .pf-card:hover .pf-card-more svg {
        transform: translateX(4px);
    }
}

.pf-empty {
    max-width: 560px;
    margin: 0 auto;
    padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 4vw, 3rem);
    text-align: center;
    background: var(--light-bg-alt);
    border: 1px dashed var(--border-hover);
    border-radius: var(--radius-lg);
}

.pf-empty-icon {
    display: inline-grid;
    place-items: center;
    width: 60px;
    height: 60px;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary);
}

.pf-empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light-text-head);
    margin-bottom: 0.6rem;
}

.pf-empty-text {
    margin-bottom: 1.5rem;
}

.pf-empty-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   Project detail
   -------------------------------------------------------------------------- */
.pf-cover {
    position: relative;
    margin-top: calc(-1 * clamp(5.5rem, 14vw, 11.5rem));
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-lg);
    background: var(--dark-card);
    box-shadow: 0 30px 60px -22px rgba(7, 13, 30, 0.55);
}

.pf-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pf-detail {
    padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.pf-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: clamp(2rem, 6vw, 5.5rem);
    align-items: start;
}

.pf-detail-grid--solo {
    grid-template-columns: minmax(0, 1fr);
}

.pf-prose {
    max-width: 68ch;
    font-size: 1.08rem;
    line-height: 1.78;
    color: var(--light-text-body);
    overflow-wrap: break-word;
}

.pf-prose > :first-child {
    margin-top: 0;
}

.pf-prose > p:first-child {
    font-size: 1.2rem;
    line-height: 1.65;
    color: var(--light-text-head);
}

.pf-prose h2 {
    margin: 2.5rem 0 0.8rem;
    font-size: clamp(1.4rem, 2.4vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.25;
    color: var(--light-text-head);
}

.pf-prose h3 {
    margin: 2rem 0 0.6rem;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--light-text-head);
}

.pf-prose p,
.pf-prose ul,
.pf-prose ol,
.pf-prose blockquote {
    margin-bottom: 1.1rem;
}

.pf-prose ul,
.pf-prose ol {
    padding-left: 1.35rem;
}

.pf-prose li {
    margin-bottom: 0.45rem;
    padding-left: 0.25rem;
}

.pf-prose li::marker {
    color: var(--primary);
    font-weight: 700;
}

.pf-prose a {
    color: var(--primary-hover);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.pf-prose a:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

.pf-prose strong {
    color: var(--light-text-head);
}

.pf-prose blockquote {
    padding-left: 1.2rem;
    border-left: 3px solid var(--primary);
    color: var(--light-text-head);
    font-style: italic;
}

.pf-prose img {
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
}

.pf-aside {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    display: grid;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--light-bg-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.pf-detail-grid--solo .pf-aside {
    position: static;
    max-width: 480px;
}

.pf-facts {
    display: grid;
    gap: 1rem;
    margin-bottom: 0.25rem;
}

.pf-facts:empty {
    display: none;
}

.pf-facts dt {
    margin-bottom: 0.1rem;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--light-text-body);
}

.pf-facts dd {
    font-weight: 600;
    color: var(--light-text-head);
}

.pf-facts a {
    color: var(--primary-hover);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.pf-facts a:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

.pf-aside-btn {
    width: 100%;
    background: #ffffff;
}

.pf-aside-btn:focus-visible,
.pf-empty-actions .btn:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

.pf-gallery-wrap {
    margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.pf-section-heading {
    margin-bottom: 1.25rem;
    font-size: clamp(1.4rem, 2.4vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--light-text-head);
}

.pf-gallery {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 1rem;
}

.pf-gallery-item {
    display: block;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    background: var(--light-bg-alt);
    cursor: zoom-in;
}

.pf-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-slow) var(--ease-out);
}

@media (prefers-reduced-motion: no-preference) {
    .pf-gallery-item:hover img,
    .pf-gallery-item:focus-visible img {
        transform: scale(1.05);
    }
}

.pf-gallery-item:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

/* Lightbox */
.pf-lightbox {
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    padding: clamp(0.75rem, 3vw, 2rem);
    border: 0;
    background: rgba(7, 13, 30, 0.94);
    color: #ffffff;
}

.pf-lightbox[open] {
    display: grid;
    place-items: center;
}

.pf-lightbox::backdrop {
    background: rgba(7, 13, 30, 0.94);
}

html:has(.pf-lightbox[open]) {
    overflow: hidden;
}

.pf-lightbox-figure {
    display: grid;
    gap: 0.75rem;
    justify-items: center;
    max-width: min(1200px, 100%);
}

.pf-lightbox-figure img {
    max-width: 100%;
    max-height: calc(100dvh - 8rem);
    width: auto;
    height: auto;
    border-radius: var(--radius-sm);
}

.pf-lightbox-caption {
    max-width: 70ch;
    padding: 0 3.5rem;
    text-align: center;
    color: #e2e8f0;
    font-size: 0.92rem;
}

.pf-lightbox-btn {
    position: fixed;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    transition: background-color var(--dur-fast) ease;
}

.pf-lightbox-btn:hover {
    background: rgba(255, 255, 255, 0.28);
}

.pf-lightbox-btn:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}

.pf-lightbox-close {
    top: 1rem;
    right: 1rem;
}

.pf-lightbox-prev,
.pf-lightbox-next {
    top: 50%;
    transform: translateY(-50%);
}

.pf-lightbox-prev {
    left: 1rem;
}

.pf-lightbox-next {
    right: 1rem;
}

/* Prev / next */
.pf-pager {
    padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.pf-pager-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding-top: clamp(2rem, 4vw, 3rem);
    border-top: 1px solid var(--border-subtle);
}

.pf-pager-link {
    display: grid;
    gap: 0.2rem;
    padding: 1.15rem 1.35rem;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.pf-pager-link:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.pf-pager-link:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

.pf-pager-next {
    text-align: right;
}

.pf-pager-label {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--light-text-body);
}

.pf-pager-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--light-text-head);
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */
.pf-notfound {
    position: relative;
    display: flex;
    align-items: center;
    min-height: calc(100vh - var(--header-height) - 6rem);
    overflow: hidden;
    padding: clamp(3.5rem, 9vw, 7rem) 0;
    color: #ffffff;
    background:
        radial-gradient(680px 380px at 50% -10%, rgba(37, 99, 235, 0.4), transparent 70%),
        var(--dark-bg);
}

.pf-notfound-inner {
    position: relative;
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.pf-notfound-code {
    position: absolute;
    left: 50%;
    top: -0.32em;
    transform: translateX(-50%);
    z-index: 0;
    font-size: clamp(9rem, 30vw, 19rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
    color: rgba(147, 197, 253, 0.09);
    pointer-events: none;
    user-select: none;
}

.pf-notfound-inner > :not(.pf-notfound-code) {
    position: relative;
    z-index: 1;
}

.pf-notfound-title {
    font-size: clamp(2rem, 5.5vw, 3.25rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.12;
    margin-bottom: 1rem;
}

.pf-notfound-text {
    margin-bottom: 2rem;
    font-size: 1.08rem;
    color: #cbd5e1;
}

.pf-notfound-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.pf-notfound-actions .btn:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
    .pf-detail-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .pf-aside {
        position: static;
    }
}

@media (max-width: 720px) {
    .pf-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .pf-cover {
        aspect-ratio: 4 / 3;
    }

    .pf-pager-link {
        padding: 1rem;
    }

    .pf-pager-title {
        font-size: 0.98rem;
    }

    .pf-lightbox-prev,
    .pf-lightbox-next {
        top: auto;
        bottom: 1rem;
        transform: none;
    }

    .pf-lightbox-figure img {
        max-height: calc(100dvh - 11rem);
    }

    .pf-lightbox-figure {
        padding-bottom: 4rem;
    }

    .pf-lightbox-caption {
        padding: 0 0.5rem;
    }
}