/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: .975rem; line-height: 1.2; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .15s var(--ease), color .15s, border-color .15s, transform .15s; font-family: var(--font-body); }
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: color-mix(in srgb, var(--color-primary) 85%, #000); color: #fff; }
.btn--secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn--secondary:hover { background: var(--color-primary); color: #fff; }
.btn--on-dark { color: #fff; border-color: rgba(255,255,255,.7); }
.btn--on-dark:hover { background: #fff; color: var(--color-primary); border-color: #fff; }
.btn--accent { background: var(--color-accent); color: #1C2430; }
.btn--accent:hover { background: color-mix(in srgb, var(--color-accent) 85%, #000); color: #1C2430; }
.btn--ghost { background: transparent; border-color: var(--color-line); color: var(--color-ink); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--sm { padding: 8px 16px; font-size: .9rem; }
.btn--lg { padding: 15px 28px; font-size: 1.05rem; }
.btn--block { width: 100%; }
.link-arrow { font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.link-arrow::after { content: "→"; transition: transform .15s var(--ease); }
.link-arrow:hover::after { transform: translateX(3px); }

/* Cards */
.grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 680px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid--3 { grid-template-columns: repeat(3, 1fr); } .grid--4 { grid-template-columns: repeat(4, 1fr); } }
.card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s var(--ease), transform .2s var(--ease); }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card__media { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-bg-muted); }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__placeholder { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); position: relative; }
.card__placeholder::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.25) 1.5px, transparent 1.5px); background-size: 18px 18px; }
.card__placeholder--news { background: linear-gradient(135deg, var(--color-secondary), var(--color-primary)); }
.card__body { padding: var(--space-5); display: flex; flex-direction: column; flex: 1; }
.card__body .link-arrow { margin-top: auto; }
.card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: var(--fs-sm); color: var(--color-muted); margin-bottom: var(--space-3); }
.card__title { font-size: var(--fs-lg); margin-bottom: var(--space-3); }
.card__title a { color: var(--color-ink); text-decoration: none; }
.card__title a:hover { color: var(--color-primary); }
.card__text { color: var(--color-ink-soft); }
.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; background: color-mix(in srgb, var(--color-secondary) 12%, #fff); color: color-mix(in srgb, var(--color-secondary) 60%, #000); font-size: .78rem; font-weight: 600; }
.status { font-size: .78rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--color-bg-muted); }
.status--active { background: #DCFCE7; color: #166534; }
.status--completed { background: #DBEAFE; color: #1E40AF; }
.status--planned { background: #FEF3C7; color: #92400E; }
.project-card__code { position: absolute; top: 14px; left: 14px; background: var(--color-accent); color: var(--color-ink); font-family: var(--font-heading); font-weight: 700; padding: 4px 12px; border-radius: 999px; font-size: .9rem; }

.feature-card { background: #fff; border-radius: var(--radius); padding: var(--space-6) var(--space-5); border: 1px solid var(--color-line); height: 100%; }
.feature-card__icon { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 14px; background: color-mix(in srgb, var(--color-primary) 10%, #fff); color: var(--color-primary); margin-bottom: var(--space-4); }
.feature-card__img { margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-5)) var(--space-5); aspect-ratio: 16/10; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.feature-card__img img { width: 100%; height: 100%; object-fit: cover; }
.feature-card__title { font-size: var(--fs-lg); }
.feature-card p { color: var(--color-ink-soft); margin-bottom: var(--space-3); }

/* Forms */
.form-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: clamp(1.25rem, 1rem + 2vw, 2.5rem); box-shadow: var(--shadow); }
.form-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .span-2 { grid-column: span 2; } }
.form-field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.req { color: var(--color-error); }
.form-control, .form-field input, .form-field select, .form-field textarea { width: 100%; font: inherit; padding: 11px 14px; border: 1px solid #CBD5E1; border-radius: var(--radius-sm); background: #fff; color: var(--color-ink); transition: border-color .15s, box-shadow .15s; }
.form-field textarea { resize: vertical; min-height: 140px; }
.form-control:focus, .form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent); }
.has-error input, .has-error select, .has-error textarea { border-color: var(--color-error); }
.field-error { color: var(--color-error); font-size: .85rem; margin: 6px 0 0; }
.help { color: var(--color-muted); font-size: .85rem; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.5em; font-weight: 500; margin: var(--space-4) 0; }
.form-status.is-success { color: var(--color-success); }
.form-status.is-error { color: var(--color-error); }
.form-note { font-size: .85rem; color: var(--color-muted); margin: var(--space-4) 0 0; }
.flash-stack { margin-top: var(--space-4); }
.flash { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: var(--space-3); border: 1px solid; }
.flash--success { background: #F0FDF4; border-color: #BBF7D0; color: #166534; }
.flash--error { background: #FEF2F2; border-color: #FECACA; color: #991B1B; }
.flash--info, .flash--warning { background: #FFFBEB; border-color: #FDE68A; color: #92400E; }

.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--space-6); }
.chip { border: 1px solid var(--color-line); background: #fff; padding: 7px 16px; border-radius: 999px; font: inherit; font-size: .9rem; color: var(--color-ink); text-decoration: none; cursor: pointer; }
.chip:hover, .chip.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.chip-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 0 0 var(--space-3); }
.chip-list li { font-size: .75rem; background: var(--color-bg-muted); border-radius: 999px; padding: 3px 10px; color: var(--color-ink-soft); }
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-6); }
.filter-bar select { width: auto; min-width: 200px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin-top: var(--space-7); }
.pagination__status { color: var(--color-muted); font-size: var(--fs-sm); }
.empty-note { text-align: center; color: var(--color-muted); padding: var(--space-6); background: var(--color-bg); border: 1px dashed var(--color-line); border-radius: var(--radius); }
.check-list { list-style: none; padding: 0; margin: 0 0 var(--space-5); }
.check-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: var(--fs-md); }
.check-list svg { color: var(--color-secondary); flex-shrink: 0; margin-top: 4px; }
.share-row { display: flex; align-items: center; gap: 12px; margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--color-line); color: var(--color-muted); }
.share-row a { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--color-bg-muted); color: var(--color-ink); }
.share-row a:hover { background: var(--color-primary); color: #fff; }
details summary { cursor: pointer; font-weight: 600; color: var(--color-primary); margin: var(--space-2) 0; }