.portfolio-hero { padding: 120px 24px 60px; text-align: center; }
.categories-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 40px; }
.category-card { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); padding: 28px 20px; text-align: center; text-decoration: none; color: var(--text-primary); transition: all var(--transition-smooth); }
.category-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 0 30px var(--accent-glow); }
.category-card__icon { font-size: 2rem; margin-bottom: 12px; }
.category-card__title { font-weight: 700; font-size: 1.1rem; color: #fff; }
.featured-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; margin-top: 32px; }
.featured-card { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); padding: 28px; transition: all var(--transition-smooth); }
.featured-card:hover { border-color: rgba(12,192,223,0.5); }
.featured-card__partner { font-size: 0.85rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.featured-card__title { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.featured-card__desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; }
.stack-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.stack-tag { font-size: 0.7rem; padding: 3px 10px; border-radius: 20px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-subtle); color: var(--text-secondary); font-family: var(--font-mono); }
.testimonials { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-top: 40px; }
.testimonial-card { background: var(--bg-card); border-right: 3px solid var(--accent); padding: 24px; border-radius: var(--radius-md); }
.testimonial-card p { font-style: italic; color: var(--text-secondary); margin-bottom: 12px; }
.testimonial-card .author { font-weight: 700; color: #fff; }
.sub-nav { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px; }
.sub-nav a { padding: 8px 18px; border: 1px solid var(--border-card); border-radius: 50px; color: var(--text-secondary); text-decoration: none; font-size: 0.88rem; transition: all var(--transition-fast); }
.sub-nav a:hover, .sub-nav a.active { border-color: var(--accent); color: #fff; background: var(--accent-subtle); }
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 24px; margin-top: 32px; }
.project-card { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); padding: 28px; transition: all var(--transition-smooth); }
.project-card:hover { border-color: rgba(12,192,223,0.5); }
.project-card h3 { font-size: 1.2rem; color: #fff; margin-bottom: 8px; }
.project-card .partner { color: var(--accent); font-weight: 600; font-size: 0.85rem; margin-bottom: 12px; }
.project-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
.stack-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.stack-tag { font-size: 0.7rem; padding: 3px 10px; border-radius: 20px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-subtle); color: var(--text-secondary); font-family: var(--font-mono); }
.sub-nav { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px; }
.sub-nav a { padding: 8px 18px; border: 1px solid var(--border-card); border-radius: 50px; color: var(--text-secondary); text-decoration: none; font-size: 0.88rem; transition: all var(--transition-fast); }
.sub-nav a:hover, .sub-nav a.active { border-color: var(--accent); color: #fff; background: var(--accent-subtle); }
.project-card.featured-style {
    padding: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: box-shadow 0.4s;
    position: relative;
}
.project-card.featured-style:hover {
    box-shadow: 0 0 40px rgba(12,192,223,0.3);
}
.project-card.featured-style::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(12,192,223,0.5), transparent 40%, transparent 60%, rgba(12,192,223,0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 2;
}
.project-card__image {
    height: 260px;
    background-color: #1a1a2e;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 20px;
}
.project-card__logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    backdrop-filter: blur(8px);
    z-index: 3;
}
.project-card__body {
    padding: 24px 28px 28px;
}
.project-card__partner {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 6px;
}
.project-card h3 a,
.project-card__body h3 a,
.featured-slide__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}
.project-card h3 a:hover,
.project-card__body h3 a:hover,
.featured-slide__title a:hover {
    color: var(--accent);
}
.project-card .partner a {
    color: inherit;
    text-decoration: none;
}
.project-card .partner a:hover {
    text-decoration: underline;
}
.project-card__logo img,
.featured-slide__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: inherit;
    display: block;
}

/* Shared project imagery, with manually controlled screenshot galleries. */
.project-media {
    overflow: hidden;
    background: radial-gradient(circle at 30% 30%, rgba(12,192,223,0.2), transparent 70%), linear-gradient(135deg, #15152b, #0d0d1a);
}
.project-media__gallery {
    position: absolute;
    inset: 0;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    direction: ltr;
}
.project-media__slide {
    flex: 0 0 100%;
    min-width: 0;
    height: 100%;
    scroll-snap-align: start;
}
.project-media__slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}
.project-media .project-card__logo,
.project-media .featured-slide__logo {
    position: absolute;
    inset-block-start: 16px;
    inset-inline-end: 16px;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    overflow: hidden;
}
.project-media__controls {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    direction: ltr;
    gap: 6px;
    padding: 4px;
    border-radius: 24px;
    background: rgba(13,13,26,0.85);
    z-index: 3;
}
.project-media .project-media__logo--dark {
    background: #15152b;
    padding: 8px;
}
.project-media__controls button {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 50%;
    background: transparent;
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-size: 0.85rem;
}
.project-media__controls button[aria-pressed="true"] {
    background: var(--accent);
    color: #0d0d1a;
}
.project-media__controls button:focus-visible,
.project-media__gallery:focus-visible,
.project-media__slide:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: -3px;
}
.project-media--logo {
    align-items: center;
    justify-content: center;
}
.project-media--logo .project-card__logo {
    position: static;
    width: 180px;
    height: 180px;
    font-size: 1.5rem;
}