/* ==========================================================================
   BragDocument.io – Landing Page CSS
   Design: dark / elegant / minimal
   ========================================================================== */

:root {
  --bg: #0f172a;
  --fg: #e2e8f0;
  --fg-muted: #94a3b8;
  --border: rgba(148,163,184,0.25);
  --border-subtle: rgba(148,163,184,0.15);
  --accent: #78C36D;
  --accent2: #55BA47;
  --danger: #ef4444;
  --surface: rgba(226,232,240,0.04);
  --surface-hover: rgba(226,232,240,0.06);
  --surface-subtle: rgba(226,232,240,0.03);

  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;

  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  --shadow-glow-accent: 0 6px 24px rgba(120,195,109,0.35);
  --shadow-elev-1: 0 6px 20px rgba(0,0,0,0.25);
  --shadow-elev-2: 0 10px 30px rgba(0,0,0,0.35);

  --font: 'Mona Sans', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --content-max: 980px;
  --sidebar-w: 260px;
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  background-image: radial-gradient(circle at top right, rgba(120,195,109,0.08), transparent 60%),
                    radial-gradient(circle at bottom left, rgba(85,186,71,0.05), transparent 70%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--fg);
  font-family: var(--font);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

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

.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section--tight { padding: var(--space-xl) 0; }
.section--hero { padding: calc(var(--space-2xl) + 20px) 0 var(--space-2xl); }

/* ==========================================================================
   Topbar / Navbar
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(120%) blur(8px);
  background: linear-gradient(to bottom, rgba(15,23,42,0.8), rgba(15,23,42,0.6));
  border-bottom: 1px solid var(--border-subtle);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
  font-size: 1.05rem;
}
.logo__mark {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--shadow-glow-accent);
}
.nav__links {
  display: flex; gap: var(--space-lg); align-items: center;
}
.nav__link {
  color: var(--fg-muted);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}
  .nav__link:hover { color: var(--fg); background: var(--surface); }

  /* Mobile nav toggle */
  .nav__toggle { display: none; border: 1px solid var(--border-subtle); background: var(--surface); border-radius: var(--radius-sm); padding: 8px 10px; cursor: pointer; }
  .nav__toggle:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
  .nav__toggle-bars { display: inline-block; width: 22px; height: 2px; background: var(--fg); position: relative; }
  .nav__toggle-bars::before, .nav__toggle-bars::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--fg); }
  .nav__toggle-bars::before { top: -6px; }
  .nav__toggle-bars::after { top: 6px; }

  /* Responsive: collapse nav links on small screens */
  @media (max-width: 768px) {
    .nav__inner { height: 56px; }
    .nav__toggle { display: inline-flex; align-items: center; justify-content: center; height: 40px; }
    .nav__links { display: none; }
    .nav.is-open .nav__links { display: grid; grid-auto-rows: minmax(44px, auto); gap: 6px; position: fixed; top: 56px; left: 0; right: 0; padding: 12px; background: linear-gradient(to bottom, rgba(15,23,42,0.98), rgba(15,23,42,0.92)); border-bottom: 1px solid var(--border-subtle); box-shadow: var(--shadow-md); }
    .nav__link, .nav__links .btn { width: 100%; display: inline-flex; align-items: center; justify-content: center; padding: 12px; font-size: 0.95rem; }
    .logo { font-size: 1rem; }
  }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  text-align: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--fg-muted);
  background: var(--surface-subtle);
  border: 1px solid var(--border-subtle);
}
.hero__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: var(--space-lg) 0 var(--space-md);
  letter-spacing: -0.02em;
}
.hero__title strong { color: var(--accent); }
.hero__desc {
  color: var(--fg-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 760px;
  margin: 0 auto var(--space-xl);
}
.cta-group {
  display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  font-weight: 700;
  letter-spacing: .2px;
  transition: transform .08s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  cursor: pointer;
}
.btn:hover { background: var(--surface-hover); border-color: var(--border); color: var(--accent); }
.btn:active { transform: translateY(1px); }

.btn--accent {
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  border: 1px solid rgba(120,195,109,0.6);
  color: #052e16;
  box-shadow: 0 8px 24px rgba(120,195,109,0.25);
}
.btn--accent:hover { filter: brightness(0.95); }
.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--fg);
}
.btn--danger {
  background: linear-gradient(180deg, #f87171, var(--danger));
  border-color: rgba(239,68,68,0.55);
  color: #3b0a0a;
}

/* ==========================================================================
   Feature Grid / Cards
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--space-lg);
}
.grid--3 {
  grid-template-columns: repeat(3, minmax(0,1fr));
}
.grid--2 {
  grid-template-columns: repeat(2, minmax(0,1fr));
}
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

.card {
  background: linear-gradient(180deg, var(--surface), var(--surface-subtle));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-elev-1);
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elev-2);
  border-color: var(--border);
  background: var(--surface-hover);
}
.card__icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--shadow-glow-accent);
  color: #052e16; font-weight: 900;
  margin-bottom: var(--space-md);
}
.card__title {
  font-size: 1.15rem; margin: 0 0 var(--space-sm);
}
.card__desc {
  color: var(--fg-muted); margin: 0;
}

/* ==========================================================================
   Badges / Labels
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center; gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  font-weight: 700; font-size: 12px;
  color: var(--fg);
}
.badge--accent {
  background: rgba(120,195,109,0.12);
  border-color: rgba(120,195,109,0.35);
  color: var(--accent);
}

/* ==========================================================================
   Inputs / Forms
   ========================================================================== */
.input, .select, .textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--fg);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.input::placeholder, .textarea::placeholder { color: var(--fg-muted); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(120,195,109,0.18);
}
.form-row { display: flex; gap: var(--space-md); }
@media (max-width: 640px) { .form-row { flex-direction: column; } }
.form-hint { font-size: 12px; color: var(--fg-muted); margin-top: 8px; }

/* ==========================================================================
   FAQ / Accordion (CSS-only)
   ========================================================================== */
.faq {
  border-top: 1px solid var(--border-subtle);
}
.faq__item {
  border-bottom: 1px solid var(--border-subtle);
}
.faq__btn {
  width: 100%; text-align: left;
  background: transparent; border: 0; color: var(--fg);
  padding: var(--space-lg) 0;
  font-weight: 700; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq__btn:hover { color: var(--accent); }
.faq__content {
  max-height: 0; overflow: hidden;
  color: var(--fg-muted);
  transition: max-height .3s ease;
}
.faq__item[open] .faq__content { max-height: 400px; padding-bottom: var(--space-lg); }

/* ==========================================================================
   Pricing (simple)
   ========================================================================== */
.pricing {
  display: grid; gap: var(--space-lg);
  grid-template-columns: repeat(3, minmax(0,1fr));
}
@media (max-width: 900px) { .pricing { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .pricing { grid-template-columns: 1fr; } }

.plan {
  background: linear-gradient(180deg, var(--surface), transparent);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}
.plan--highlight {
  border-color: rgba(120,195,109,0.55);
  background: linear-gradient(180deg, rgba(120,195,109,0.1), var(--surface));
  box-shadow: var(--shadow-glow-accent);
}
.plan__name { font-weight: 800; margin: 0 0 var(--space-sm); }
.plan__price { font-size: 2rem; margin: 0 0 var(--space-md); color: var(--accent); }
.plan__small { color: var(--fg-muted); font-size: 0.95rem; }
.plan__list { margin: 0; padding: 0; list-style: none; color: var(--fg-muted); }
.plan__list li { padding-left: 22px; position: relative; margin: 10px 0; }
.plan__list li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--accent);
}

/* ==========================================================================
   Typography / Prose
   ========================================================================== */
.kicker--green { color: var(--accent); background: rgba(120,195,109,0.12); border-color: rgba(120,195,109,0.35); }
.h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin: 0 0 var(--space-md);
}
.subtitle { color: var(--fg-muted); margin: 0 0 var(--space-xl); max-width: 720px; }

/* ==========================================================================
   Dividers / Helpers
   ========================================================================== */
.hr {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  border: 0; margin: var(--space-2xl) 0;
}
.surface {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}
.surface--hover:hover { background: var(--surface-hover); }

.shadow-1 { box-shadow: var(--shadow-elev-1); }
.shadow-2 { box-shadow: var(--shadow-elev-2); }

/* Spacing utilities (limited) */
.mt-0{margin-top:0}.mt-xs{margin-top:var(--space-xs)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.mt-2xl{margin-top:var(--space-2xl)}
.mb-0{margin-bottom:0}.mb-xs{margin-bottom:var(--space-xs)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.mb-2xl{margin-bottom:var(--space-2xl)}
.p-0{padding:0}.p-sm{padding:var(--space-sm)}.p-md{padding:var(--space-md)}.p-lg{padding:var(--space-lg)}.p-xl{padding:var(--space-xl)}

/* Width helpers */
.w-full{width:100%}
.max-w-md{max-width:720px;margin-left:auto;margin-right:auto}

/* ==========================================================================
   Comparison Table (With vs. Without)
   ========================================================================== */
.table-wrap {
  width: 100%;
  overflow-x: auto; /* graceful on small screens */
}

.comparison {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elev-1);
}

.comparison thead th {
  text-align: left;
  font-weight: 800;
  color: var(--fg);
  padding: 14px 16px;
  background: linear-gradient(180deg, var(--surface-hover), var(--surface));
  border-bottom: 1px solid var(--border-subtle);
}

.comparison tbody td {
  padding: 14px 16px;
  color: var(--fg-muted);
  border-top: 1px solid var(--border-subtle);
  vertical-align: top;
}

.comparison tbody tr:nth-child(even) td {
  background: var(--surface-subtle);
}

.comparison tbody tr:hover td {
  background: var(--surface-hover);
}

/* Emphasis inside cells */
.comparison td strong {
  color: var(--fg);
}

/* Compact on small screens (keep horizontal scroll for semantics) */
@media (max-width: 640px) {
  .comparison thead th,
  .comparison tbody td { padding: 12px 14px; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(226,232,240,0.02), transparent);
  padding: var(--space-xl) 0;
  color: var(--fg-muted);
  font-size: 14px;
}
.footer__row {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg);
}
@media (max-width: 720px) {
  .footer__row { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes floatUp {
  from { transform: translateY(8px); opacity: .0; }
  to   { transform: translateY(0); opacity: 1; }
}
.reveal { animation: floatUp .5s ease both; }
.reveal-delay-1 { animation-delay: .07s; }
.reveal-delay-2 { animation-delay: .14s; }
.reveal-delay-3 { animation-delay: .21s; }

/* ==========================================================================
   Focus visible (a11y)
   ========================================================================== */
:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 4px rgba(120,195,109,0.35);
  border-radius: 8px;
}

/* ==========================================================================
   Icons (Font Awesome overrides)
   ========================================================================== */
.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--surface);
  margin: 0 auto var(--space-md) auto;
  box-shadow: var(--shadow-elev-1);
}

.card__icon i {
  font-size: 24px;
  color: var(--accent);
}

/* Variation for different sections */
#platform .card__icon i {
  color: var(--fg-muted);
}

#why .card__icon i {
  color: var(--accent2);
}

#how .card__icon i {
  color: var(--accent);
}

/* Tags (status chips for platform titles) */
.tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 0.75rem;
  line-height: 1.2;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-subtle);
  color: var(--fg-muted);
  vertical-align: middle;
  white-space: nowrap;
}
.tag--now {
  color: #052e16;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  border-color: rgba(120,195,109,0.55);
  box-shadow: var(--shadow-glow-accent);
}
.tag--soon {
  color: var(--fg);
  background: var(--surface);
  border-color: var(--border);
}
.tag--later {
  color: var(--fg-muted);
  background: transparent;
  border-color: var(--border-subtle);
}

/* estado desativado para links/botões */
.btn.is-disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  filter: grayscale(100%);
  cursor: not-allowed;
  pointer-events: none; /* bloqueia cliques */
  box-shadow: none;
}

/* garante que hover/focus não reativem estilos */
.btn.is-disabled:hover,
.btn.is-disabled:focus,
.btn[aria-disabled="true"]:hover,
.btn[aria-disabled="true"]:focus {
  opacity: 0.45;
  filter: grayscale(100%);
  box-shadow: none;
  outline: none;
}