/* ══════════════════════════════════════════════════════════
   Próvision — lp-kit components (extraido de lp-kit-guilherme.html)
   Requer design-tokens.css. Carregar DEPOIS dos outros css.
   ══════════════════════════════════════════════════════════ */

/* 1. Hooks base (opt-in via classe .lp-kit no <body>) */
.lp-kit, .lp-kit * { -webkit-font-smoothing: antialiased; box-sizing: border-box; }
.lp-kit {
  font-family: var(--font-body-lp);
  background: var(--color-base);
  color: var(--color-txt);
  font-feature-settings: "ss01", "cv11";
}
.lp-kit h1, .lp-kit h2, .lp-kit h3,
.lp-kit h4, .lp-kit h5, .lp-kit h6 {
  font-family: var(--font-heading-lp);
  letter-spacing: -0.01em;
}
.lp-kit code, .lp-kit kbd, .lp-kit pre,
.lp-kit .font-mono { font-family: var(--font-mono-lp); }

/* 2. Accent line (shimmer text + amber underline) */
.accent-line {
  display: inline-block;
  position: relative;
  background: linear-gradient(90deg, var(--color-txt) 0%, var(--color-blue-light) 50%, var(--color-txt) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}
.accent-line::after {
  content: ''; position: absolute; bottom: -6px; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-amber) 30%, var(--color-amber) 70%, transparent 100%);
  border-radius: 2px;
}

/* 3. Glass tiers */
.glass-nav  { background: var(--glass-nav-bg);  backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%); }
.glass-card { background: var(--glass-card-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--glass-hairline); }
.glass-soft { background: var(--glass-soft-bg); backdrop-filter: blur(8px);  -webkit-backdrop-filter: blur(8px); }
@supports not (backdrop-filter: blur(1px)) {
  .glass-nav, .glass-card, .glass-soft { background: var(--color-surface); }
}

/* 4. Card hover glow */
.card-glow { transition: box-shadow .35s ease, border-color .35s ease, transform .35s ease; }
.card-glow:hover {
  box-shadow: var(--glow-blue-card);
  border-color: rgba(59, 130, 246, 0.25);
  transform: translateY(-2px);
}

/* 5. Button glows */
.btn-glow        { box-shadow: var(--glow-blue-rest);  transition: box-shadow .3s, transform .2s; }
.btn-glow:hover  { box-shadow: var(--glow-blue-hover); transform: translateY(-1px); }
.btn-amber-glow       { box-shadow: var(--glow-amber-rest);  transition: box-shadow .3s, transform .2s; }
.btn-amber-glow:hover { box-shadow: var(--glow-amber-hover); transform: translateY(-1px); }

/* 6. Badge (JetBrains Mono uppercase pill) */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .6875rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 100px;
  font-family: var(--font-mono-lp);
}

/* 7. Hero background (gradient + radial glow, imagem opt-in via --hero-image) */
.hero-bg {
  position: relative;
  background:
    linear-gradient(180deg, rgba(11,17,32,0.78) 0%, rgba(11,17,32,0.92) 55%, var(--color-base) 100%),
    var(--hero-image, none) center/cover no-repeat;
}
.hero-bg::before {
  content: ''; position: absolute; top: -10%; left: 50%;
  transform: translateX(-50%);
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(59,130,246,0.13) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}
.hero-bg > * { position: relative; z-index: 1; }

/* 8. FAQ accordion */
.faq-answer { display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-chevron { transition: transform .25s; }

/* 9. Chat bubbles */
.bubble-user {
  background: var(--color-blue-deep); color: #F8FAFC;
  border-radius: 18px 18px 4px 18px;
  box-shadow: 0 4px 16px rgba(29,78,216,0.25);
}
.bubble-sofia {
  background: rgba(15,23,42,0.85); color: #E2E8F0;
  border-radius: 18px 18px 18px 4px;
  border: 1px solid rgba(148,163,184,0.08);
}

/* 10. Sofia pulse + typing */
.sofia-pulse-wrap { position: relative; display: inline-flex; align-items: center; justify-content: center; }
.sofia-pulse-wrap::after {
  content: ''; position: absolute; inset: -3px; border-radius: 50%;
  border: 2px solid var(--color-blue);
  animation: sofiaPulseRing 2.5s ease-in-out infinite;
  pointer-events: none; opacity: 0;
}
.sofia-active .sofia-pulse-wrap::after { opacity: 0.6; }
.sofia-typing-dot { animation: sofiaTyping 1.4s ease-in-out infinite; }

/* 11. Scroll reveal (apenas opacity) */
.reveal { opacity: 0; transition: opacity .65s ease; }
.reveal.visible { opacity: 1; }

/* 12. Selection + scrollbar */
::selection { background: rgba(59,130,246,0.35); color: #F8FAFC; }
.lp-kit ::-webkit-scrollbar { width: 10px; height: 10px; }
.lp-kit ::-webkit-scrollbar-track { background: var(--color-base); }
.lp-kit ::-webkit-scrollbar-thumb { background: var(--color-surface-raised); border-radius: 8px; }
.lp-kit ::-webkit-scrollbar-thumb:hover { background: #334155; }

/* 13. Nav scrolled state (igual lp-kit) */
nav.scrolled {
  background: rgba(11,17,32,0.95);
  border-bottom-color: rgba(148,163,184,0.10);
}

/* 14. Keyframes */
@keyframes shimmer {
  0%, 100% { background-position: -200% center; }
  50%      { background-position:  200% center; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}
@keyframes sofiaTyping {
  0%, 100% { opacity: 0.25; }
  50%      { opacity: 0.85; }
}
@keyframes sofiaPulseRing {
  0%   { opacity: 0.6; transform: scale(1); }
  50%  { opacity: 0;   transform: scale(1.65); }
  100% { opacity: 0;   transform: scale(1.65); }
}
