/* exercicio.pt — páginas estáticas (SEO). Usa os tokens de styles.css. */
* { box-sizing: border-box; }
body { margin: 0; background: var(--surface-page); color: var(--text-1); font-family: var(--font-text); }
a { color: inherit; }
img { display: block; max-width: 100%; }

.shdr { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; background: color-mix(in srgb, var(--surface-page) 92%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-hairline); }
.brand { font-weight: 800; font-size: 20px; letter-spacing: -0.03em; text-decoration: none; color: var(--text-1); }
.brand span { color: var(--accent); }
.shdr .brand { flex: none; }
.shdr nav { display: flex; gap: 16px; min-width: 0; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.shdr nav::-webkit-scrollbar { display: none; }
.shdr nav a { font: var(--type-label); color: var(--text-2); text-decoration: none; padding: 6px 0; }
.shdr nav a:hover { color: var(--accent); }
@media (max-width: 480px) { .shdr { gap: 12px; padding: 12px 16px; } .shdr nav { gap: 12px; } }

.wrap { max-width: 860px; margin: 0 auto; padding: 24px 20px 56px; }
.wrap.wide { max-width: 1080px; }
.crumb { font: var(--type-caption); color: var(--text-3); margin-bottom: 14px; }
.crumb a { color: var(--text-3); text-decoration: none; }
.crumb a:hover { color: var(--accent); }

h1.t { font: var(--type-h1); margin: 0 0 12px; }
.lead { font: var(--type-body-lg); color: var(--text-2); margin: 0 0 22px; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 22px; }
.badge { display: inline-flex; align-items: center; font: 700 11px/1 var(--font-text); letter-spacing: var(--tracking-wide); text-transform: uppercase; padding: 6px 10px; border-radius: var(--radius-xs); background: var(--surface-2); border: 1px solid var(--border-subtle); color: var(--text-2); }
.badge.accent { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); }

.hero-img { width: 100%; height: clamp(220px, 42vw, 380px); object-fit: cover; border-radius: var(--radius-xl); border: 1px solid var(--border-subtle); margin-bottom: 22px; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 22px; }
.gallery img { width: 100%; height: clamp(160px, 30vw, 260px); object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--border-subtle); }

h2.s { font: var(--type-h3); margin: 30px 0 14px; }
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.steps li { display: flex; gap: 12px; align-items: flex-start; }
.steps .n { flex: none; width: 28px; height: 28px; border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-line); display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px; }
.steps p { margin: 0; padding-top: 3px; font: var(--type-body); color: var(--text-2); }

.note { display: flex; gap: 12px; padding: 16px; border-radius: var(--radius-lg); background: var(--surface-1); border: 1px solid var(--border-subtle); margin-top: 18px; }
.note.warn { background: rgba(255,194,61,0.10); border-color: rgba(255,194,61,0.4); }
.note .nt { font: var(--type-label); margin-bottom: 4px; }
.note p { margin: 0; font: var(--type-body-sm); color: var(--text-2); }

.cta { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0; }
.btn { display: inline-flex; align-items: center; gap: 8px; font: 700 15px/1 var(--font-text); padding: 14px 22px; border-radius: var(--radius-sm); text-decoration: none; cursor: pointer; text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.secondary { background: var(--surface-2); color: var(--text-1); border: 1px solid var(--border-subtle); }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .grid { grid-template-columns: repeat(4, 1fr); } }
.exc { display: block; text-decoration: none; background: var(--surface-1); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base); }
.exc:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.exc img { width: 100%; height: 120px; object-fit: cover; }
.exc .b { padding: 12px 14px; }
.exc .m { font: var(--type-caption); color: var(--accent); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-weight: 800; }
.exc .h { font: var(--type-h4); color: var(--text-1); margin: 4px 0 0; }

.sfoot { border-top: 1px solid var(--border-hairline); margin-top: 40px; padding: 28px 20px 40px; max-width: 1080px; margin-left: auto; margin-right: auto; }
.sfoot p { font: var(--type-body-sm); color: var(--text-3); max-width: 560px; line-height: 1.6; }
.sfoot .links { display: flex; gap: 18px; flex-wrap: wrap; margin: 12px 0; }
.sfoot a { font: var(--type-label); color: var(--text-2); text-decoration: none; }
.sfoot .c { font: var(--type-caption); color: var(--text-3); margin-top: 12px; }

/* Nome em inglês + glossário */
.en-name { font: var(--type-body-sm); color: var(--text-3); font-style: italic; margin: -6px 0 14px; }
.gloss { padding: 16px 0; border-top: 1px solid var(--border-hairline); }
.gloss h3 { font: var(--type-h4); color: var(--text-1); margin: 0 0 6px; }
.gloss p { font: var(--type-body); color: var(--text-2); margin: 0; line-height: 1.6; }
.gloss .rel { font: var(--type-caption); color: var(--text-3); margin-top: 8px; }
.gloss .rel a { color: var(--accent); text-decoration: none; }