/* ==========================================================================
   COMPONENTS - botões, cards, tags, marca, WhatsApp flutuante
   Blocos reutilizáveis para expandir a LP com facilidade.
   ========================================================================== */

/* ---------- Botões ---------- */
.btn {
  --btn-bg: var(--ink-900);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 600;
  font-size: .98rem;
  letter-spacing: -.01em;
  line-height: 1.1;
  max-width: 100%;
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), border-color var(--t);
  white-space: nowrap;
}
/* em telas pequenas, textos longos de botão podem quebrar (evita overflow) */
@media (max-width: 480px) {
  .btn { white-space: normal; text-align: center; }
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { --btn-bg: var(--brand); --btn-fg: var(--ink-900); box-shadow: var(--sh-brand); }
.btn--primary:hover { --btn-bg: var(--brand-strong); box-shadow: 0 16px 34px rgba(0, 150, 180,.45); }

.btn--dark { --btn-bg: var(--ink-900); --btn-fg: #fff; }
.btn--dark:hover { --btn-bg: var(--ink-700); box-shadow: var(--sh-md); }

.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink-900);
  border-color: var(--line-2);
}
.btn--ghost:hover { --btn-bg: var(--surface-2); border-color: var(--ink-900); }

.btn--sm  { padding: 10px 16px; font-size: .9rem; }
.btn--lg  { padding: 15px 26px; font-size: 1rem; }
.btn--xl  { padding: 18px 34px; font-size: 1.08rem; }
.btn--block { width: 100%; }

.ico-wa { width: 19px; height: 19px; fill: currentColor; flex: 0 0 auto; }
.btn--xl .ico-wa { width: 22px; height: 22px; }

/* ---------- Link com seta ---------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  color: var(--ink-900);
  margin-top: auto;
}
.link-arrow span { transition: transform var(--t); color: var(--brand-strong); }
.link-arrow:hover span { transform: translateX(5px); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xs);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
  border-color: var(--line-2);
}

.card-float {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
}

/* ---------- Tag ---------- */
.tag {
  position: absolute;
  top: 14px; left: 14px;
  padding: 6px 12px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: var(--r-pill);
  background: rgba(13,14,17,.72);
  color: #fff;
  backdrop-filter: blur(6px);
}
.tag--brand { background: var(--brand); color: var(--ink-900); }

/* ---------- Lista de features ---------- */
.feature-list { display: grid; gap: 9px; margin: 4px 0 22px; }
.feature-list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink-500);
  font-size: .95rem;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--brand-soft);
  box-shadow: inset 0 0 0 1.5px var(--brand);
}
.feature-list li::after {
  content: "";
  position: absolute;
  left: 5px; top: 8px;
  width: 6px; height: 3.5px;
  border-left: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(-45deg);
}

.ico-check { width: 18px; height: 18px; fill: var(--brand-strong); flex: 0 0 auto; }

/* ---------- Marca ---------- */
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background:
    linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 150, 180,.4);
  flex: 0 0 auto;
}
.brand__mark::after {
  content: "";
  position: absolute; inset: 9px;
  border: 3px solid var(--ink-900);
  border-radius: 3px;
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 60%, 60% 100%, 0 100%);
}
.brand__text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: .02em;
  color: var(--ink-900);
  line-height: .95;
  display: flex;
  flex-direction: column;
}
.brand__sub {
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .32em;
  color: var(--ink-400);
}
.brand--light .brand__text { color: #fff; }
.brand--light .brand__sub { color: rgba(255,255,255,.55); }

/* Logo em imagem (header + footer) */
.brand__logo { height: 46px; width: auto; display: block; }
.site-header .brand__logo--dark { display: none; }            /* sobre a hero: versão clara */
.site-header.is-stuck .brand__logo--light { display: none; }  /* sólida: versão colorida */
.site-header.is-stuck .brand__logo--dark { display: block; }
@media (max-width: 560px) { .brand__logo { height: 42px; } }

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px; height: 60px;
  background: var(--wa);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 14px 32px rgba(37,211,102,.42);
  transform: translateY(0);
  transition: transform var(--t), box-shadow var(--t), background var(--t);
  animation: floatIn .6s var(--ease) .8s both;
}
.wa-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--wa);
  z-index: -1;
  animation: waPing 2.6s var(--ease) infinite;
}
.wa-float:hover { background: var(--wa-strong); transform: translateY(-3px) scale(1.04); box-shadow: 0 18px 40px rgba(37,211,102,.5); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

@keyframes floatIn {
  from { opacity: 0; transform: translateY(20px) scale(.9); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes waPing {
  0%   { transform: scale(1); opacity: .5; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

@media (max-width: 560px) {
  .wa-float { width: 56px; height: 56px; right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .wa-float, .wa-float::before { animation: none; }
  .btn:hover, .card:hover, .wa-float:hover { transform: none; }
}