.projects-page { width: min(1240px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(3rem, 7vw, 6rem) 0; }
.projects-header { display: grid; grid-template-columns: 1fr minmax(300px, 0.75fr); align-items: end; gap: clamp(2rem, 7vw, 6rem); margin-bottom: 3rem; }
.projects-header__eyebrow { margin: 0 0 0.75rem; color: var(--color-primary); font-size: 0.8rem; font-weight: 750; letter-spacing: 0.13em; text-transform: uppercase; }
.projects-header h1 { margin: 0; font-size: clamp(2.8rem, 7vw, 5.2rem); line-height: 1; letter-spacing: -0.04em; }
.projects-header > p { margin: 0; color: var(--color-muted); font-size: 1.05rem; line-height: 1.75; }

.projects-toolbar { display: grid; grid-template-columns: minmax(240px, 1fr) auto; align-items: center; gap: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: 0.9rem; background: var(--color-surface); box-shadow: 0 10px 32px var(--shadow-soft); }
.projects-search input { width: 100%; padding: 0.8rem 1rem; border: 1px solid var(--color-input-border); border-radius: 0.55rem; background: var(--color-background); color: var(--color-text); font: inherit; }
.projects-search input:focus { border-color: var(--color-primary); outline: 3px solid color-mix(in srgb, var(--color-primary) 18%, transparent); }
.projects-search input:disabled { cursor: not-allowed; opacity: 0.65; }

.projects-filter-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 2.8rem; padding: 0.7rem 1rem; border: 1px solid var(--color-border); border-radius: 0.55rem; background: var(--color-background); color: var(--color-text); cursor: pointer; font: inherit; font-weight: 700; }
.projects-filter-toggle:hover, .projects-filter-toggle:focus-visible { border-color: var(--color-primary); }
.projects-filter-toggle > span:not(.projects-filter-toggle__chevron) { display: inline-grid; min-width: 1.45rem; min-height: 1.45rem; padding: 0.1rem; place-items: center; border-radius: 999px; background: var(--color-primary); color: var(--color-on-primary); font-size: 0.72rem; }
.projects-filter-toggle__chevron { transition: transform 160ms ease; }
.projects-filter-toggle[aria-expanded="true"] .projects-filter-toggle__chevron { transform: rotate(180deg); }
.projects-filter-toggle:disabled { cursor: not-allowed; opacity: 0.65; }

.projects-filter-panel { margin-top: 1rem; padding: clamp(1rem, 2.5vw, 1.5rem); border: 1px solid var(--color-border); border-radius: 0.9rem; background: var(--color-surface); box-shadow: 0 12px 32px var(--shadow-soft); }
.projects-filter-panel > header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.projects-filter-panel > header strong { color: var(--color-text); font-size: 1rem; }
.projects-filter-panel > header p { margin: 0.3rem 0 0; color: var(--color-muted); font-size: 0.85rem; }
.projects-filter-panel > header button { border: 0; background: transparent; color: var(--color-primary); cursor: pointer; font: inherit; font-size: 0.85rem; font-weight: 700; white-space: nowrap; }
.projects-filter-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; gap: 0.75rem; }
.projects-filter-group { overflow: hidden; border: 1px solid var(--color-border); border-radius: 0.65rem; background: var(--color-background); }
.projects-filter-group__toggle { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 0.55rem; width: 100%; padding: 0.8rem; border: 0; background: transparent; color: var(--color-text); cursor: pointer; font: inherit; font-weight: 700; text-align: left; }
.projects-filter-group__toggle:hover, .projects-filter-group__toggle:focus-visible { background: var(--color-primary-soft); }
.projects-filter-group__toggle small { display: inline-grid; min-width: 1.35rem; min-height: 1.35rem; place-items: center; border-radius: 999px; background: var(--color-surface); color: var(--color-muted); font-size: 0.68rem; }
.projects-filter-group__options { display: grid; gap: 0.15rem; padding: 0.25rem 0.55rem 0.65rem; border-top: 1px solid var(--color-border); }
.projects-filter-group__options label { display: flex; align-items: center; gap: 0.55rem; padding: 0.5rem 0.3rem; border-radius: 0.4rem; color: var(--color-muted); cursor: pointer; font-size: 0.86rem; }
.projects-filter-group__options label:hover { background: var(--color-surface); color: var(--color-text); }
.projects-filter-group__options input, .projects-primary-filter input { width: 1rem; height: 1rem; flex: 0 0 auto; margin: 0; accent-color: var(--color-primary); }
.projects-filter-group__options .projects-filter-group__all { color: var(--color-text); font-weight: 700; }
.projects-filter-group__options p { margin: 0.45rem 0.3rem; color: var(--color-muted); font-size: 0.8rem; }
.projects-primary-filter { display: flex; align-items: center; gap: 0.65rem; margin-top: 1rem; padding: 0.85rem; border-radius: 0.55rem; background: var(--color-primary-soft); color: var(--color-text); cursor: pointer; font-size: 0.88rem; }
.projects-primary-filter input:focus-visible { outline: 3px solid color-mix(in srgb, var(--color-primary) 18%, transparent); outline-offset: 3px; }

.projects-results { display: flex; align-items: center; justify-content: space-between; min-height: 4rem; color: var(--color-muted); font-size: 0.88rem; }
.projects-results p { margin: 0; }
.projects-results strong { color: var(--color-text); }
.projects-results button, .projects-empty button { border: 0; background: transparent; color: var(--color-primary); cursor: pointer; font: inherit; font-weight: 700; }
.projects-technology-warning { margin: -0.5rem 0 1.5rem; color: var(--color-muted); font-size: 0.88rem; }
.projects-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 2rem); }
.projects-empty { display: grid; min-height: 280px; place-content: center; justify-items: center; border: 1px dashed var(--color-border); border-radius: 1rem; color: var(--color-muted); text-align: center; }
.projects-empty strong { color: var(--color-text); font-size: 1.25rem; }
.projects-empty p { margin: 0.5rem 0 1rem; }
.projects-state { display: grid; min-height: 280px; place-content: center; justify-items: center; margin-top: 1rem; border: 1px solid var(--color-border); border-radius: 1rem; background: var(--color-surface); color: var(--color-muted); text-align: center; }
.projects-state strong { color: var(--color-text); font-size: 1.2rem; }
.projects-state p { margin: 0.5rem 0 1rem; }
.projects-state button { border: 0; background: transparent; color: var(--color-primary); cursor: pointer; font: inherit; font-weight: 700; }
.projects-state--error { border-color: color-mix(in srgb, var(--color-danger, #c94b4b) 45%, var(--color-border)); }

@media (max-width: 900px) {
    .projects-header, .projects-toolbar { grid-template-columns: 1fr; }
    .projects-filter-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
    .projects-grid, .projects-filter-groups { grid-template-columns: 1fr; }
    .projects-toolbar { padding: 0.8rem; }
    .projects-filter-toggle { width: 100%; }
    .projects-filter-panel > header { align-items: stretch; flex-direction: column; }
    .projects-filter-panel > header button { align-self: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    .projects-filter-toggle__chevron { transition: none; }
}