/* ORION — central de tutoriais (/tutorials). Requer tokens.css, orion.css e demos.css. */

.tut-hero { padding: 150px 0 clamp(30px, 5vw, 56px); background: radial-gradient(60% 80% at 50% 0%, rgba(59, 130, 246, .16), transparent 70%); }
.tut-hero h1 { font-size: clamp(36px, 6vw, 72px); letter-spacing: -.04em; line-height: 1; max-width: 16ch; }
.tut-hero p { margin-top: 22px; max-width: 58ch; font-size: clamp(16px, 1.6vw, 19px); color: var(--text-2); }
.tut-filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.tut-filtros button { height: 36px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: var(--r-pill); background: transparent; color: var(--text-2); font-size: 14px; cursor: pointer; transition: color .2s, background .2s, border-color .2s; }
.tut-filtros button:hover { color: var(--text); border-color: rgba(255, 255, 255, .28); }
.tut-filtros button.on { color: #03121a; border-color: transparent; background: var(--grad); font-weight: 600; }

.tut-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; padding-bottom: clamp(48px, 7vw, 90px); }
.tut { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); transition: border-color .3s, transform .4s var(--ease), box-shadow .4s; }
.tut:hover, .tut:focus-visible, .tut.tocando { border-color: rgba(6, 182, 212, .5); box-shadow: 0 30px 70px -40px rgba(6, 182, 212, .55); transform: translateY(-3px); }
.tut[hidden] { display: none; }
.tut-demo { position: relative; border-bottom: 1px solid var(--line); }
.tut-meta { align-items: center; }
.tut-dica { margin-left: auto; color: var(--muted); font-size: 12.5px; transition: opacity .3s; }
.so-toque { display: none; }
@media (hover: none) { .so-hover { display: none; } .so-toque { display: inline; } }
.tut:hover .tut-dica, .tut:focus-visible .tut-dica, .tut.tocando .tut-dica { opacity: 0; }
.tut-corpo { display: grid; gap: 12px; align-content: start; padding: 22px 24px 26px; }
.tut-meta { display: flex; gap: 8px; }
.tut h2 { font-size: clamp(20px, 2vw, 25px); letter-spacing: -.025em; line-height: 1.15; }
.tut ol { margin: 4px 0 0; padding-left: 22px; display: grid; gap: 9px; color: var(--text-2); font-size: 15px; }
.tut ol li::marker { color: var(--cyan); font-family: var(--mono); font-size: .9em; }
.tut ol b { color: var(--text); font-weight: 500; }
.tut ol a, .tut-nota a, .tut-fim a { color: #93c5fd; border-bottom: 1px solid rgba(147, 197, 253, .35); }
.tut-nota { margin: 2px 0 0; font-size: 13.5px; color: var(--muted); }
.tut code.inline { font-family: var(--mono); font-size: .88em; padding: 1px 6px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--surface-2); color: var(--text); }
.tut-wide { grid-column: 1 / -1; flex-direction: row; }
.tut-wide .tut-demo { flex: 1.15; border-bottom: 0; border-right: 1px solid var(--line); }
.tut-wide .tut-corpo { flex: 1; align-content: center; }

.tut-fim { padding-bottom: clamp(60px, 9vw, 110px); }
.tut-fim-in { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: clamp(36px, 6vw, 70px) 24px; text-align: center; border: 1px solid var(--line); border-radius: 28px; background: radial-gradient(70% 90% at 50% 0%, rgba(59, 130, 246, .16), transparent 70%), var(--surface); }
.tut-fim h2 { font-size: clamp(26px, 4vw, 42px); }
.tut-fim p { color: var(--muted); max-width: 52ch; }

.tut-rodape { border-top: 1px solid var(--line); padding: 28px 0; }
.tut-rodape .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.tut-rodape nav { display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.tut-rodape nav a:hover { color: var(--text); }

@media (max-width: 900px) {
  .tut-grid { grid-template-columns: 1fr; }
  .tut-wide { flex-direction: column; }
  .tut-wide .tut-demo { border-right: 0; border-bottom: 1px solid var(--line); }
  .tut-hero { padding-top: 124px; }
}
@media (prefers-reduced-motion: reduce) { .tut, .tut:hover { transform: none; } }