/* ============================================================
   Portal das Universidades (by M60) — layout da v6 (a versão aprovada como base),
   com a paleta do M60 no tema claro (azul, teal, laranja; branco e cinza, sem creme)
   e padrões de catálogo do pll.harvard.edu/catalog/free:
   filtros em menus, filtros ativos removíveis, rodapé de dados no cartão.
   ============================================================ */

@font-face { font-family: 'Neulis Sans'; src: url('../fonts/neulis-sans-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Neulis Sans'; src: url('../fonts/neulis-sans-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Neulis Sans'; src: url('../fonts/neulis-sans-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Neulis Sans'; src: url('../fonts/neulis-sans-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }

:root {
  /* M60, tema dia */
  --bg: #F4F6F8;
  --surface: #FFFFFF;
  --surface-2: #EFF3F7;
  --ink: #101010;
  --ink-2: #4A4E52;
  --ink-3: #62686E;
  --line: rgba(16, 16, 16, 0.09);
  --line-2: rgba(16, 16, 16, 0.16);
  --blue: #2B7495;
  --blue-bright: #49A6CA;
  --blue-soft: rgba(46, 125, 160, 0.10);
  --teal: #00A98F;
  --teal-text: #00755F;
  --teal-soft: rgba(0, 169, 143, 0.11);
  --orange: #F07818;
  --orange-text: #A45000;
  --orange-soft: rgba(232, 111, 12, 0.11);

  --font: 'Neulis Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 20px;
  --radius-sm: 13px;
  --shadow-soft: 0 1px 2px rgba(16, 16, 16, 0.05), 0 6px 18px rgba(16, 16, 16, 0.05);
  --shadow-lift: 0 2px 6px rgba(16, 16, 16, 0.06), 0 14px 32px rgba(16, 16, 16, 0.09);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--ink-2); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 2px; }
svg.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
[hidden] { display: none !important; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- Topo ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.brand-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(240, 120, 24, 0.16); flex: none; }
.topnav { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 600; color: var(--ink-2); }
.saved-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border: 1px solid var(--line-2); border-radius: 100px; background: var(--surface); font-weight: 600; color: var(--ink-2); }
.saved-toggle.active { border-color: var(--teal); background: var(--teal-soft); color: var(--teal-text); }
.saved-count { min-width: 20px; padding: 0 6px; border-radius: 100px; background: var(--surface-2); font-size: 12.5px; line-height: 20px; text-align: center; font-variant-numeric: tabular-nums; }
.saved-toggle.active .saved-count { background: var(--teal); color: #FFFFFF; }

/* ---------- Topo da página ---------- */
.hero { background: var(--surface); border-bottom: 1px solid var(--line); padding: 72px 0 64px; text-align: center; }
.hero .wrap { display: flex; flex-direction: column; align-items: center; }
.hero-title { max-width: 900px; margin: 0 auto 16px; font-size: clamp(36px, 5.6vw, 64px); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; color: var(--ink); text-wrap: balance; }
.accent-text { background: linear-gradient(95deg, var(--blue) 0%, var(--blue-bright) 55%, var(--teal) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { max-width: 640px; margin: 0 auto 32px; font-size: 18px; color: var(--ink-2); text-wrap: balance; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px; padding: 15px 30px; border-radius: 100px;
  background: var(--blue); color: #FFFFFF; font-size: 16px; font-weight: 600;
  box-shadow: 0 4px 14px rgba(43, 116, 149, 0.28); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.hero-stats { display: flex; margin-top: 44px; padding: 20px 8px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-soft); }
.stat { padding: 0 34px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat strong { display: block; font-size: 30px; font-weight: 700; line-height: 1.15; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat span { font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- Biblioteca ---------- */
.library { padding-top: 64px; }
.section-title { margin-bottom: 24px; font-size: clamp(28px, 4vw, 40px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); text-align: center; }
.panel { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-soft); }
.search { display: flex; align-items: center; gap: 12px; height: 54px; padding: 0 18px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--ink-3); }
.search:focus-within { border-color: var(--blue-bright); background: var(--surface); }
.search input { flex: 1; min-width: 0; border: 0; background: none; outline: none; font-size: 16px; color: var(--ink); }
.search input::placeholder { color: var(--ink-3); }
.filters { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.select {
  width: 100%; height: 44px; padding: 0 34px 0 14px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  background-color: var(--surface); color: var(--ink); font-size: 14px; font-weight: 500; cursor: pointer;
  appearance: none; -webkit-appearance: none; text-overflow: ellipsis;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2362686E' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.select.is-set { border-color: var(--blue); color: var(--blue); font-weight: 600; }

.results-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 22px 0 16px; }
.results-meta { font-size: 15px; font-weight: 600; color: var(--ink); }
.active-filters { display: contents; }
.filter-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px 4px 12px; border: 1px solid var(--line-2); border-radius: 100px; background: var(--surface); font-size: 13.5px; font-weight: 600; color: var(--ink); }
.filter-chip .i { width: 14px; height: 14px; color: var(--ink-3); }
.clear-link { border: 0; background: none; font-size: 13.5px; font-weight: 600; color: var(--blue); }

/* ---------- Cartão ---------- */
.courses-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card {
  display: flex; flex-direction: column; padding: 22px 22px 18px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-soft); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-area { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.card-area .i { width: 16px; height: 16px; color: var(--blue); }
.fav-btn { display: grid; width: 34px; height: 34px; margin: -6px -8px -6px 0; place-items: center; border: 0; border-radius: 50%; background: none; color: var(--ink-3); }
.fav-btn.active { color: var(--teal); }
.fav-btn.active svg { fill: currentColor; }
.card-title { margin-top: 12px; font-size: 18.5px; font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; color: var(--ink); }
.card-org { display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; font-size: 14.5px; font-weight: 600; color: var(--ink-2); }
.org-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tag { padding: 3px 10px; border-radius: 100px; background: var(--surface-2); font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.tag.lv-iniciante { background: var(--teal-soft); color: var(--teal-text); }
.tag.lv-intermediario { background: var(--orange-soft); color: var(--orange-text); }
.tag.lv-avancado { background: var(--blue-soft); color: var(--blue); }
.tag.t-pt { background: var(--blue-soft); color: var(--blue); }
.tag.t-cert { background: var(--teal-soft); color: var(--teal-text); }
.card-foot { margin-top: auto; padding-top: 18px; }
.card-cta { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--line); font-size: 15px; font-weight: 600; color: var(--blue); }
.card-cta .i { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.more-row { display: flex; justify-content: center; margin-top: 28px; }
.btn-ghost { padding: 12px 26px; border: 1px solid var(--line-2); border-radius: 100px; background: var(--surface); font-size: 15px; font-weight: 600; color: var(--ink); box-shadow: var(--shadow-soft); }
.empty-state { padding: 56px 0; text-align: center; }
.empty-state p { margin-bottom: 16px; font-size: 17px; color: var(--ink); }

/* ---------- Trilhas ---------- */
.trails { padding-top: 88px; }
.trails-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
.trail-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-soft); }
.trail-icon { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; background: var(--blue-soft); color: var(--blue); }
.trail-icon .i { width: 20px; height: 20px; }
.trail-title { margin: 14px 0 16px; font-size: 20px; font-weight: 700; line-height: 1.25; color: var(--ink); }
.trail-steps { list-style: none; position: relative; }
.trail-steps::before { content: ''; position: absolute; left: 12px; top: 14px; bottom: 14px; width: 2px; background: var(--surface-2); }
.trail-step a { position: relative; display: grid; grid-template-columns: 26px 1fr; gap: 12px; padding: 7px 0; }
.step-num { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; background: var(--blue); color: #FFFFFF; font-size: 12.5px; font-weight: 700; }
.step-title { display: block; font-size: 15px; font-weight: 600; line-height: 1.35; color: var(--ink); }
.step-meta { display: block; margin-top: 2px; font-size: 13px; color: var(--ink-3); }

.footer { margin-top: 96px; padding: 32px 0 40px; border-top: 1px solid var(--line); background: var(--surface); }
.footer .wrap { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 15px; font-weight: 600; color: var(--ink-2); }

/* ---------- Hover só com mouse (no toque, o estado fica preso) ---------- */
@media (hover: hover) {
  .topnav a:hover { color: var(--blue); }
  .saved-toggle:hover { border-color: var(--teal); color: var(--teal-text); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(43, 116, 149, 0.34); }
  .select:hover { border-color: var(--blue-bright); }
  .filter-chip:hover { border-color: var(--blue); }
  .clear-link:hover { text-decoration: underline; }
  .card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: var(--line-2); }
  .fav-btn:hover { background: var(--surface-2); color: var(--ink); }
  .card:hover .card-cta .i { transform: translateX(3px); }
  .btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
  .trail-step a:hover .step-title { color: var(--blue); }
}

/* ---------- Responsivo ---------- */
@media (max-width: 1000px) {
  .courses-grid, .trails-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .topbar .wrap { height: 58px; }
  .topnav { gap: 16px; font-size: 14px; }
  .topnav a[href="#biblioteca"] { display: none; }
  .hero { padding: 44px 0 40px; }
  .hero-sub { font-size: 16px; margin-bottom: 26px; }
  .hero-stats { display: flex; margin-top: 32px; padding: 16px 4px; }
  .stat { flex: 1; padding: 0 8px; }
  .stat strong { font-size: 24px; }
  .stat span { font-size: 11px; }
  .library { padding-top: 48px; }
  .panel { padding: 14px; }
  .filters { grid-template-columns: 1fr 1fr; }
  .filters .select:last-child { grid-column: 1 / -1; }
  .courses-grid, .trails-grid { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 18px 18px 16px; }
  .trails { padding-top: 64px; }
  .footer { margin-top: 64px; }
  .footer .wrap { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .card, .card:hover { transition: none; transform: none; } }

/* ---------- Entrada (só alunos do M60) ---------- */
.gate-on, .gate-on body { overflow: hidden; }
.gate { position: fixed; inset: 0; z-index: 1000; display: flex; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 16px; background: var(--bg); }
.gate-card { margin: auto; width: 100%; max-width: 420px; display: flex; flex-direction: column; gap: 14px; padding: 32px 28px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-lift); }
.gate-card .brand { margin-bottom: 6px; }
.gate-title { font-size: 26px; line-height: 1.15; font-weight: 700; color: var(--ink); }
.gate-label { font-size: 15px; color: var(--ink-2, #4A4E52); }
.gate-input { width: 100%; padding: 14px 16px; font: inherit; font-size: 16px; color: var(--ink); background: var(--surface); border: 1px solid var(--line-2, rgba(16,16,16,.16)); border-radius: var(--radius-sm); outline: none; }
.gate-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.gate-btn:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.gate-erro { font-size: 14px; color: var(--orange-text); }
.gate-btn { justify-content: center; border: 0; cursor: pointer; font: inherit; font-weight: 600; }

/* ---------- Marca: Portal das Universidades / by M60 ---------- */
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-by { font-size: 12px; font-weight: 600; letter-spacing: 0.02em; color: var(--ink-3); margin-top: 2px; }
@media (max-width: 520px) { .brand { font-size: 16px; } .brand-by { font-size: 11px; } }