/* ===== Betão — base.css : variáveis, reset, tipografia, utilitários ===== */
:root {
  --color-dark: #121316;
  --color-bg: #16181C;
  --color-surface: #20232A;
  --color-primary: #F26101;
  --color-primary-hover: #FF7A22;
  --color-accent: #1DB954;
  --color-accent-hover: #23D462;
  --color-odds: #22C55E;
  --color-live: #EF4444;
  --color-text: #F2F3F5;
  --color-muted: #8A8F98;
  --color-border: #2C3038;
  --color-chip: #1A1D22;
  --font-sans: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .28);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, .38);
  --shadow-lg: 0 22px 55px rgba(0, 0, 0, .48);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --container: 1180px;
  --header-h: 64px;
  --bottomnav-h: 62px;
  --transition: .22s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  min-height: 100vh;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover { color: var(--color-primary-hover); }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  line-height: 1.22;
  font-weight: 800;
  color: var(--color-text);
}

h1 { font-size: clamp(1.75rem, 4.2vw, 2.75rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.45rem, 3vw, 2.05rem); letter-spacing: -.015em; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.45rem); font-weight: 700; }
h4 { font-size: 1.08rem; font-weight: 700; }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25rem; }
li { margin-bottom: .45rem; }
li:last-child { margin-bottom: 0; }

strong, b { color: var(--color-text); font-weight: 700; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-7) 0;
  scroll-margin-top: calc(var(--header-h) + 14px);
}

.section--tight { padding: var(--space-6) 0; }

.section__label {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .32rem .85rem;
  border-radius: var(--radius-pill);
  background: rgba(242, 97, 1, .13);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section__lead {
  font-size: 1.08rem;
  color: var(--color-muted);
  max-width: 760px;
}

.section--alt { background: #1A1D22; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 46px;
  padding: .72rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: .95rem;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(.97); }
.btn:focus-visible { outline: 3px solid rgba(242, 97, 1, .55); outline-offset: 2px; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(242, 97, 1, .32);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-2px);
}

.btn--green {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 22px rgba(29, 185, 84, .28);
}
.btn--green:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--dark:hover { border-color: var(--color-accent); color: var(--color-accent); }

.btn--sm { min-height: 40px; padding: .55rem 1rem; font-size: .86rem; }
.btn--block { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---- Badges / chips ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  padding: .34rem .8rem;
  border-radius: var(--radius-pill);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.badge--green { background: rgba(29, 185, 84, .14); color: var(--color-accent); border-color: rgba(29, 185, 84, .3); }
.badge--orange { background: rgba(242, 97, 1, .14); color: var(--color-primary); border-color: rgba(242, 97, 1, .3); }
.badge--live { background: rgba(239, 68, 68, .16); color: var(--color-live); border-color: rgba(239, 68, 68, .35); }
.badge--muted { background: rgba(138, 143, 152, .12); color: var(--color-muted); border-color: rgba(138, 143, 152, .22); }
.badge--18 {
  width: 38px; height: 38px;
  min-width: 38px;
  justify-content: center;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--color-live);
  color: var(--color-live);
  background: transparent;
  font-size: .82rem;
  font-weight: 800;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card--hover {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(242, 97, 1, .35);
}

/* ---- Tables ---- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.table-responsive table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  margin: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: .85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  font-size: .94rem;
}

th {
  background: #1A1D22;
  color: var(--color-text);
  font-weight: 700;
  white-space: nowrap;
}

tr:last-child td { border-bottom: 0; }
tr:hover td { background: rgba(255, 255, 255, .02); }

td .badge { margin-right: .35rem; }

/* ---- Utilities ---- */
.text-muted { color: var(--color-muted); }
.text-orange { color: var(--color-primary); }
.text-green { color: var(--color-accent); }
.text-odds { color: var(--color-odds); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.check-list {
  list-style: none;
  padding-left: 0;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: .65rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .38rem;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: rgba(29, 185, 84, .18);
  border: 1.5px solid var(--color-accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-4.8' fill='none' stroke='%231DB954' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 70%;
  background-repeat: no-repeat;
  background-position: center;
}

.cross-list { list-style: none; padding-left: 0; }
.cross-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: .65rem;
}
.cross-list li::before {
  content: "✕";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-live);
  font-weight: 700;
}

.note-box {
  background: rgba(242, 97, 1, .08);
  border: 1px solid rgba(242, 97, 1, .28);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  margin: var(--space-5) 0;
  font-size: .95rem;
}

.note-box--green {
  background: rgba(29, 185, 84, .08);
  border-color: rgba(29, 185, 84, .28);
  border-left-color: var(--color-accent);
}

.note-box--alert {
  background: rgba(239, 68, 68, .08);
  border-color: rgba(239, 68, 68, .28);
  border-left-color: var(--color-live);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.media-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  margin: var(--space-5) 0;
}
.media-frame img { width: 100%; height: auto; }

.media-caption {
  padding: .7rem 1rem;
  font-size: .84rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  background: #1A1D22;
}

/* ---- Content prose ---- */
.prose h2 {
  margin-top: var(--space-7);
  padding-top: var(--space-2);
}
.prose h3 { margin-top: var(--space-5); }
.prose a { text-decoration: underline; text-underline-offset: 3px; }

.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
}
.toc h2 { font-size: 1.15rem; margin-bottom: var(--space-3); }
.toc ol { columns: 1; margin: 0; padding-left: 1.2rem; }
.toc a { color: var(--color-text); text-decoration: none; }
.toc a:hover { color: var(--color-primary); }

@media (min-width: 700px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .toc ol { columns: 2; column-gap: 2rem; }
}

@media (min-width: 1025px) {
  body { font-size: 16.5px; }
  .container { padding: 0 var(--space-5); }
  .section { padding: var(--space-8) 0; }
}

/* Mobile bottom padding so fixed bottom-nav never covers content */
body { padding-bottom: 0; }
@media (max-width: 860px) {
  body { padding-bottom: calc(var(--bottomnav-h) + 12px); }
}