/* Password gate + case study grid (portfolio.html) */
body.portfolio-page {
    max-width: none;
}

.portfolio-page main {
    max-width: min(72rem, 100%);
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    /* Space below fixed header */
    padding-top: clamp(2.25rem, 4.5vw, 3.25rem);
}

/* Tighter than .experience-section .name — main already reserves space for the header */
body.portfolio-page h1.name.portfolio-page__title {
    margin-top: 1.75rem;
    margin-bottom: 1.5rem;
}

/* Lead line uses main width; default .intro caps at 40rem */
body.portfolio-page .intro.intro--full-width {
    max-width: none;
}

/* —— Gate —— */
.portfolio-gate {
    width: 100%;
    max-width: none;
    margin: 2rem 0 3rem;
    padding: 1.75rem clamp(1rem, 3vw, 1.5rem);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-toggle-bg);
    box-sizing: border-box;
}

.portfolio-gate__access {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-footer);
    margin: 0 0 1.25rem;
}

.portfolio-gate__access a {
    color: var(--color-link);
    word-break: break-all;
}

.portfolio-gate__row {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.65rem 1rem;
    width: 100%;
    min-width: 0;
}

.portfolio-gate__label {
    flex-shrink: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-heading);
}

.portfolio-gate__input {
    font-family: "Poppins", system-ui, sans-serif;
    font-size: 1rem;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-text);
    box-sizing: border-box;
    flex: 0 1 15rem;
    width: 15rem;
    max-width: 100%;
    min-width: 0;
}

.portfolio-gate__input:focus {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

.portfolio-gate__submit {
    font-family: "Poppins", system-ui, sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.65rem 1.35rem;
    border: 1px solid var(--color-heading);
    border-radius: 9999px;
    background: var(--color-heading);
    color: var(--color-bg);
    cursor: pointer;
    width: auto;
    flex-shrink: 0;
    white-space: nowrap;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.portfolio-gate__submit:hover {
    background: var(--color-link-hover);
    border-color: var(--color-link-hover);
    color: var(--color-bg);
}

.portfolio-gate__error {
    font-size: 0.875rem;
    color: #e57373;
    margin: 0.85rem 0 0;
    min-height: 1.25em;
}

[data-theme="light"] .portfolio-gate__error {
    color: #c62828;
}

.portfolio-gate__error:empty {
    margin-top: 0;
    min-height: 0;
}

.portfolio-gate[hidden] {
    display: none !important;
}

/* —— Request access (case study gate) —— */
.portfolio-gate__request {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
}

.portfolio-gate__request-label {
    font-size: 0.8125rem;
    line-height: 1.4;
    color: var(--color-footer);
    margin: 0;
}

.portfolio-gate__request-btn {
    font-family: "Poppins", system-ui, sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.55rem 1.15rem;
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    background: transparent;
    color: var(--color-heading);
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.portfolio-gate__request-btn:hover {
    border-color: var(--color-link-hover);
    color: var(--color-link-hover);
}

.portfolio-gate__request-btn:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

/* —— Grid —— */
.portfolio-content[hidden],
#case-study-content[hidden] {
    display: none !important;
}

.portfolio-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: clamp(1.25rem, 3vw, 1.75rem);
    grid-template-columns: 1fr;
}

@media (min-width: 560px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.portfolio-tile {
    position: relative;
    display: block;
    border-radius: 6px;
    overflow: hidden;
    text-decoration: none;
    border: none;
    color: var(--color-heading);
    aspect-ratio: 16 / 10;
    background: var(--color-toggle-bg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

[data-theme="light"] .portfolio-tile {
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.06);
}

.portfolio-tile:hover,
.portfolio-tile:focus-visible {
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
    outline: none;
}

.portfolio-tile:focus-visible {
    box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-link);
}

.portfolio-tile__media {
    position: absolute;
    inset: 0;
}

.portfolio-tile__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* ~20% desaturation vs full colour; hover keeps black shade overlay below */
    filter: saturate(0.8);
    transition: transform 0.45s ease, filter 0.45s ease;
}

.portfolio-tile:hover .portfolio-tile__media img,
.portfolio-tile:focus-visible .portfolio-tile__media img {
    transform: scale(1.03);
}

.portfolio-tile__shade {
    position: absolute;
    inset: 0;
    background: #000;
    opacity: 0.22;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.portfolio-tile:hover .portfolio-tile__shade,
.portfolio-tile:focus-visible .portfolio-tile__shade {
    opacity: 0.62;
}

.portfolio-tile__placeholder {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        145deg,
        var(--color-toggle-bg) 0%,
        var(--color-border) 100%
    );
}

.portfolio-tile__title {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1rem 1.1rem 1.1rem;
    font-family: "EB Garamond", Georgia, serif;
    font-size: clamp(1.35rem, 3.5vw, 1.65rem);
    font-weight: 500;
    line-height: 1.2;
    color: #f5f5f5;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.65);
    z-index: 1;
    transition: color 0.25s ease, text-shadow 0.25s ease;
}

.portfolio-tile:hover .portfolio-tile__title,
.portfolio-tile:focus-visible .portfolio-tile__title {
    color: #ffffff;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.85);
}

.portfolio-noscript {
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-footer);
}

/* —— Public startups index (startups.html) —— */
.projects-page__intro {
    font-size: 0.9375rem;
    color: var(--color-footer);
    margin: -0.5rem 0 1.75rem;
    max-width: 36rem;
}

.portfolio-tile--soon {
    cursor: default;
}

.portfolio-tile--soon:hover,
.portfolio-tile--soon:focus-visible {
    transform: none;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.portfolio-tile--soon:hover .portfolio-tile__shade,
.portfolio-tile--soon:focus-visible .portfolio-tile__shade {
    opacity: 0.22;
}

[data-theme="light"] .portfolio-tile--soon:hover,
[data-theme="light"] .portfolio-tile--soon:focus-visible {
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.06);
}

/* Projects tiles: meta hidden until hover/focus — title eases up as meta reveals */
.portfolio-tile__title:has(.portfolio-tile__meta) {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.portfolio-tile__title-line {
    display: block;
    transition: transform 0.42s cubic-bezier(0.33, 1.1, 0.68, 1);
}

.portfolio-tile:hover .portfolio-tile__title-line,
.portfolio-tile:focus-visible .portfolio-tile__title-line {
    transform: translateY(-0.28rem);
}

.portfolio-tile__meta {
    display: block;
    max-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(0.4rem);
    font-family: "Poppins", system-ui, sans-serif;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    line-height: 1.35;
    text-transform: uppercase;
    color: rgba(245, 245, 245, 0.92);
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
    transition:
        max-height 0.48s cubic-bezier(0.33, 1.1, 0.68, 1),
        opacity 0.32s ease,
        transform 0.45s cubic-bezier(0.33, 1.1, 0.68, 1),
        margin 0.35s ease;
}

.portfolio-tile:hover .portfolio-tile__meta,
.portfolio-tile:focus-visible .portfolio-tile__meta {
    max-height: 5.5rem;
    margin-top: 0.35rem;
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .portfolio-tile__title-line {
        transition: none;
        transform: none;
    }

    .portfolio-tile:hover .portfolio-tile__title-line,
    .portfolio-tile:focus-visible .portfolio-tile__title-line {
        transform: none;
    }

    .portfolio-tile__meta {
        max-height: none;
        margin-top: 0.35rem;
        opacity: 1;
        transform: none;
        transition: none;
    }
}