/* ==========================================================================
   Portfolio LIST — 2026 cinematic-dark rebuild (v3)
   Ink canvas, hairline rules, JetBrains Mono eyebrows, Fraunces italic display,
   Ferrari red accent. Mirrors the visual system of services/ai-research.css.

   All selectors are body-scoped (body.portfolio-page ...) so this file fully
   overrides /css/main.css regardless of import order. Cache-bust version
   tag at top so the bundle is identifiable.
   v20260512d
   ========================================================================== */

/* ==================== BODY OVERRIDE (high specificity, foolproof) ==================== */
body.portfolio-page {
    background: var(--ink);
    color: var(--on-black);
    font-family: var(--font-body);
}

body.portfolio-page main,
body.portfolio-page .portfolio-main {
    background: var(--ink);
    color: var(--on-black);
}

/* Accessibility helper used in the markup */
body.portfolio-page .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

body.portfolio-page .skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--red);
    color: var(--bone);
    padding: 8px 16px;
    z-index: 9999;
}
body.portfolio-page .skip-link:focus { left: 0; }

/* ==================== BREADCRUMB ==================== */
body.portfolio-page .tnaado-breadcrumb-bar {
    background: var(--ink);
    border-bottom: 1px solid var(--rule-on-black);
    padding: 18px 32px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--on-black-mute);
    max-width: 1280px;
    margin: 0 auto;
}

body.portfolio-page .tnaado-breadcrumb-bar a {
    color: var(--on-black-mute);
    text-decoration: none;
    transition: color 160ms ease;
}

body.portfolio-page .tnaado-breadcrumb-bar a:hover {
    color: var(--red);
}

/* ==================== MAIN ==================== */
body.portfolio-page .portfolio-main {
    position: relative;
    overflow: hidden;
}

/* ==================== HERO ==================== */
.portfolio-hero {
    position: relative;
    padding: 144px 32px 96px;
    background: var(--ink);
    isolation: isolate;
    overflow: hidden;
}

/* Background video uses the shared .section-bg-video class (main.css):
   position:absolute, inset:0, object-fit:cover, z-index:0. The overlay below
   uses .section-bg-overlay so it isn't caught by main.css's
   ".has-video > *" content-lift rule; we only override its gradient here. */

/* Visible red/black gradient + dark backing behind the text for readability */
.portfolio-hero .section-bg-overlay.portfolio-hero__scrim {
    background:
        /* readability: strong dark wash on the left, where the text sits */
        linear-gradient(
            95deg,
            rgba(6, 6, 6, 0.92) 0%,
            rgba(6, 6, 6, 0.70) 30%,
            rgba(6, 6, 6, 0.30) 58%,
            transparent 82%
        ),
        /* clearly visible red glow from the top-right */
        radial-gradient(
            120% 95% at 85% 0%,
            rgba(200, 16, 46, 0.65) 0%,
            rgba(200, 16, 46, 0.26) 36%,
            transparent 66%
        ),
        /* red -> black wash so the whole frame reads dark-red */
        linear-gradient(
            155deg,
            rgba(150, 18, 36, 0.50) 0%,
            rgba(30, 8, 12, 0.55) 50%,
            rgba(8, 8, 8, 0.72) 100%
        ),
        /* strong fade to solid ink along the lower half */
        linear-gradient(
            to bottom,
            transparent 28%,
            rgba(8, 8, 8, 0.50) 62%,
            rgba(10, 10, 10, 0.90) 86%,
            var(--ink) 100%
        );
}

.portfolio-hero.has-video .portfolio-hero__inner {
    z-index: 2;
}

/* Red ember atmosphere from upper-right, held back */
.portfolio-hero::after {
    content: "";
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 70%;
    background: radial-gradient(
        ellipse at center,
        rgba(200, 16, 46, 0.10) 0%,
        rgba(200, 16, 46, 0.03) 45%,
        transparent 75%
    );
    pointer-events: none;
    z-index: 0;
    filter: blur(48px);
}

.portfolio-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.portfolio-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 11px;
    line-height: 1;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--red);
    margin: 0;
}

.portfolio-hero__eyebrow::before {
    content: "";
    width: 36px;
    height: 1px;
    background: var(--red);
    display: inline-block;
}

.portfolio-hero__headline {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.04;
    letter-spacing: -0.015em;
    color: var(--on-black);
    margin: 0;
    max-width: 920px;
}

.portfolio-hero__headline em {
    font-style: italic;
    color: var(--red);
}

.portfolio-hero__lede {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(17px, 1.55vw, 21px);
    line-height: 1.55;
    color: var(--on-black-mute);
    margin: 0;
    max-width: 680px;
}

.portfolio-hero__lede em {
    font-style: italic;
    color: var(--on-black);
}

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 96px 20px 64px;
    }
}

/* ==================== FILTER BAR ==================== */
.portfolio-filters {
    background: var(--ink);
    border-top: 1px solid var(--rule-on-black);
    border-bottom: 1px solid var(--rule-on-black);
    padding: 32px;
}

.portfolio-filters__inner {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 32px;
    align-items: center;
}

/* Section anchor — mono chapter code */
.portfolio-anchor.section-anchor {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: var(--font-mono);
    color: var(--on-black-mute);
}

.portfolio-anchor .anchor-figure {
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--red);
    font-weight: 500;
}

.portfolio-anchor .anchor-label {
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--on-black-mute);
}

.portfolio-filters__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* Chips */
.portfolio-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border: 1px solid var(--rule-on-black);
}

.portfolio-chip {
    appearance: none;
    background: transparent;
    border: 0;
    border-right: 1px solid var(--rule-on-black);
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--on-black-mute);
    cursor: pointer;
    transition: background 160ms ease, color 160ms ease;
}

.portfolio-chip:last-child {
    border-right: 0;
}

.portfolio-chip:hover {
    color: var(--on-black);
    background: rgba(245, 241, 232, 0.04);
}

.portfolio-chip.is-active {
    background: var(--red);
    color: var(--bone);
}

/* Search */
.portfolio-search {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--rule-on-black);
    padding: 0 14px;
    min-width: 280px;
    flex: 0 1 360px;
    background: rgba(245, 241, 232, 0.02);
}

.portfolio-search__icon {
    font-family: var(--font-mono);
    color: var(--on-black-mute);
    font-size: 14px;
}

.portfolio-search__input {
    appearance: none;
    background: transparent;
    border: 0;
    outline: 0;
    padding: 12px 0;
    flex: 1;
    color: var(--on-black);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.portfolio-search__input::placeholder {
    color: var(--on-black-mute);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.portfolio-search:focus-within {
    border-color: var(--red);
}

@media (max-width: 768px) {
    .portfolio-filters {
        padding: 24px 20px;
    }
    .portfolio-filters__inner {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .portfolio-anchor.section-anchor {
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    .portfolio-chips {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
    }
    .portfolio-chip {
        flex: 0 0 auto;
    }
    .portfolio-search {
        width: 100%;
        min-width: 0;
    }
}

/* ==================== GRID ==================== */
.portfolio-grid-section {
    padding: 80px 32px 120px;
    background: var(--ink);
}

.portfolio-grid {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--rule-on-black);
    border: 1px solid var(--rule-on-black);
}

@media (max-width: 960px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .portfolio-grid-section {
        padding: 56px 20px 80px;
    }
}

/* ==================== CARD ==================== */
.portfolio-card {
    background: var(--ink);
    position: relative;
    transition: background 200ms ease;
}

.portfolio-card:hover {
    background: rgba(245, 241, 232, 0.02);
}

.portfolio-card__link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.portfolio-card__media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--ink, #0a0a0a);
    border-bottom: 1px solid var(--rule-on-black);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-card__img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    transition: transform 600ms ease, filter 600ms ease;
    filter: grayscale(0.15) contrast(1.02);
}

.portfolio-card:hover .portfolio-card__img {
    transform: scale(1.04);
    filter: grayscale(0) contrast(1.05);
}

.portfolio-card__img-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #161616 100%);
    border-bottom: 1px solid var(--rule-on-black);
}

.portfolio-card__monogram {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 64px;
    color: rgba(245, 241, 232, 0.18);
    letter-spacing: -0.02em;
}

.portfolio-card__body {
    padding: 28px 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.portfolio-card__topline {
    display: flex;
    align-items: baseline;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--on-black-mute);
}

.portfolio-card__code {
    color: var(--red);
    font-weight: 500;
}

.portfolio-card__classification {
    color: var(--on-black-mute);
}

.portfolio-card__title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 28px;
    line-height: 1.12;
    letter-spacing: -0.01em;
    color: var(--on-black);
    margin: 0;
}

.portfolio-card__title em {
    font-style: italic;
    color: var(--red);
}

.portfolio-card__desc {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.55;
    color: var(--on-black-mute);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-card__meta {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--rule-on-black);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-black-mute);
}

.portfolio-card__meta-item { white-space: nowrap; }
.portfolio-card__meta-sep { color: rgba(245, 241, 232, 0.30); }

.portfolio-card__link:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: -2px;
}

/* Red bottom accent on hover */
.portfolio-card::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 320ms ease;
    pointer-events: none;
}

.portfolio-card:hover::after {
    transform: scaleX(1);
}

/* ==================== STATES (loading / empty / error) ==================== */
.portfolio-loading {
    grid-column: 1 / -1;
    padding: 80px 32px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--on-black-mute);
    margin: 0;
    background: var(--ink);
}

.portfolio-empty {
    max-width: 1180px;
    margin: 24px auto 0;
    padding: 80px 32px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--on-black-mute);
    border: 1px solid var(--rule-on-black);
}

.portfolio-error {
    max-width: 1180px;
    margin: 24px auto 0;
    padding: 40px 32px;
    border: 1px solid rgba(200, 16, 46, 0.40);
    background: rgba(200, 16, 46, 0.06);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.portfolio-error__eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--red);
    margin: 0;
}

.portfolio-error__message {
    font-family: var(--font-display);
    font-size: 22px;
    line-height: 1.3;
    color: var(--on-black);
    margin: 0;
    max-width: 720px;
}

.portfolio-error__detail {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    color: var(--on-black-mute);
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--rule-on-black);
    padding: 14px 16px;
    max-width: 100%;
    overflow-x: auto;
}

.portfolio-error__retry {
    appearance: none;
    background: var(--red);
    color: var(--bone);
    border: 0;
    padding: 12px 24px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    cursor: pointer;
    align-self: flex-start;
    transition: background 160ms ease;
}

.portfolio-error__retry:hover {
    background: var(--red-deep);
}

/* ==================== STATUS FILTER (second-row chips) ==================== */
.portfolio-filters__statuses {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border: 1px solid var(--rule-on-black);
    margin-top: 12px;
}

.portfolio-status-chip {
    appearance: none;
    background: transparent;
    border: 0;
    border-right: 1px solid var(--rule-on-black);
    padding: 10px 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--on-black-mute);
    cursor: pointer;
    transition: background 160ms ease, color 160ms ease;
}

.portfolio-status-chip:last-child {
    border-right: 0;
}

.portfolio-status-chip:hover {
    color: var(--on-black);
    background: rgba(245, 241, 232, 0.04);
}

.portfolio-status-chip.is-active {
    background: var(--red);
    color: var(--bone);
}

/* ==================== CARD — EXTRA FIELDS (FEATURED / STATUS / LOGO / SERVICES) ==================== */
.portfolio-card__media {
    /* allow the logo overlay positioning */
    /* (parent already has overflow: hidden) */
}

.portfolio-card__logo {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.78);
    border: 1px solid var(--rule-on-black);
    padding: 4px;
    z-index: 2;
}

.portfolio-card__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    filter: brightness(1.05);
}

.portfolio-card__featured-tag {
    align-self: flex-start;
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--red);
    padding: 4px 8px;
    border: 1px solid var(--red);
    background: rgba(200, 16, 46, 0.06);
}

.portfolio-card__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.portfolio-card__status {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid var(--red);
    color: var(--red);
    background: transparent;
}

.portfolio-card__status--active {
    color: var(--bone);
    background: var(--red);
}

.portfolio-card__status--launching-soon {
    color: var(--red);
    background: rgba(200, 16, 46, 0.08);
}

.portfolio-card__status--on-hold {
    color: var(--on-black-mute);
    border-color: var(--rule-on-black);
    background: transparent;
}

.portfolio-card__funding {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid var(--rule-on-black);
    color: var(--on-black-mute);
}

.portfolio-card__services {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px dashed var(--rule-on-black);
}

.portfolio-card__service-chip {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--on-black-mute);
    padding: 3px 8px;
    border: 1px solid var(--rule-on-black);
    background: rgba(245, 241, 232, 0.02);
}

.portfolio-card__visit {
    margin-top: 4px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--red);
    align-self: flex-start;
}

.portfolio-card__link:hover .portfolio-card__visit {
    color: var(--bone);
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
    .portfolio-card__img,
    .portfolio-card::after {
        transition: none;
    }
    .portfolio-card:hover .portfolio-card__img {
        transform: none;
    }
}