/* ============================================================
   HORIZONTZ • LP Clínicas Odontológicas — TEMA LIGHT / SAÚDE
   Paleta: azul clínico + verde esmeralda + branco minimalista
   Stack: Vanilla CSS + Keyframes + IntersectionObserver
   ============================================================ */

:root {
  /* Superfícies */
  --bg: #F7FAFC;
  --bg-2: #FFFFFF;
  --bg-3: #EFF6FB;
  --bg-tint: #F0F9FF;

  /* Tinta / tipografia */
  --ink: #0B1B2B;
  --ink-dim: #475569;
  --ink-mute: #94A3B8;
  --ink-soft: #CBD5E1;

  /* Linhas */
  --line: rgba(15,23,42,0.08);
  --line-strong: rgba(15,23,42,0.14);
  --line-hover: rgba(14,165,233,0.35);

  /* Cores de marca — saúde */
  --primary: #0EA5E9;         /* azul clínico / sky */
  --primary-deep: #0369A1;
  --primary-soft: #E0F2FE;
  --mint: #10B981;             /* verde saúde / emerald */
  --mint-soft: #D1FAE5;
  --teal: #06B6D4;
  --violet: #6366F1;
  --coral: #F43F5E;
  --amber: #F59E0B;

  --grad: linear-gradient(100deg, #0EA5E9 0%, #06B6D4 55%, #10B981 100%);
  --grad-soft: linear-gradient(100deg, #E0F2FE 0%, #D1FAE5 100%);

  /* Utilitários */
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.03);
  --shadow: 0 4px 12px rgba(15,23,42,0.06), 0 2px 4px rgba(15,23,42,0.04);
  --shadow-lg: 0 20px 40px -12px rgba(14,165,233,0.15), 0 8px 20px -8px rgba(15,23,42,0.08);
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container { width: min(1180px, 92%); margin: 0 auto; }
.container-narrow { width: min(820px, 92%); margin: 0 auto; }
.section { padding: 120px 0; position: relative; }
.section-dark {
  background: linear-gradient(180deg, var(--bg-tint) 0%, #FFFFFF 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { text-align: center; max-width: 820px; margin: 0 auto 72px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--primary-deep);
  padding: 8px 14px;
  border: 1px solid var(--primary-soft);
  border-radius: 999px;
  background: #F0F9FF;
  margin-bottom: 22px;
}
.h2 {
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.08; letter-spacing: -0.025em; font-weight: 700;
  margin: 0 0 18px; color: var(--ink);
}
.lead { font-size: 18px; color: var(--ink-dim); max-width: 720px; margin: 0 auto; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px;
  font-weight: 600; font-size: 14.5px; letter-spacing: 0.01em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-primary {
  color: #FFFFFF; background: var(--grad);
  box-shadow: 0 8px 20px rgba(14,165,233,.30), 0 0 0 1px rgba(255,255,255,.2) inset;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(14,165,233,.38); }
.btn-outline {
  border: 1px solid var(--line-strong); color: var(--ink);
  background: #FFFFFF;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-deep); }
.btn-ghost {
  border: 1px solid var(--line-strong); color: var(--ink);
  padding: 10px 16px; font-size: 13px;
  background: #FFFFFF;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-deep); }
.btn-lg { padding: 16px 28px; font-size: 16px; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(255,255,255,0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: min(1180px, 92%); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: -0.015em; font-size: 17px;
  color: var(--ink);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14px; color: var(--ink-dim); transition: color .2s; font-weight: 500; }
.nav-links a:hover { color: var(--primary-deep); }
@media (max-width: 840px) { .nav-links { display: none; } }

/* ============================================================
   HERO
   ============================================================ */
.hero.hero-b {
  position: relative; overflow: hidden;
  min-height: 100vh;
  padding: 120px 0 100px;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(16,185,129,0.10), transparent 60%),
    radial-gradient(1000px 500px at 10% 30%, rgba(14,165,233,0.12), transparent 60%),
    linear-gradient(180deg, #FFFFFF 0%, var(--bg-tint) 100%);
  isolation: isolate;
}
#particles, #particlesCta {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.85; z-index: 0;
  animation: bgFadeIn 1.2s ease-out both;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.hero-inner {
  position: relative; z-index: 2;
  width: min(1180px, 92%); margin: 0 auto;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--primary-deep);
  padding: 9px 16px; border: 1px solid var(--primary-soft);
  border-radius: 999px; background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(40px, 6.2vw, 82px);
  line-height: 1.04; letter-spacing: -0.035em;
  font-weight: 800; margin: 0 auto 24px;
  max-width: 13ch; color: var(--ink);
}
.hero-title span { display: block; }
.hero-accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub {
  max-width: 720px; margin: 0 auto 36px;
  font-size: clamp(16px, 1.6vw, 20px); color: var(--ink-dim);
}
.hero-sub b { color: var(--ink); font-weight: 600; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

/* Terminal — light */
.hero-terminal {
  max-width: 780px; margin: 0 auto 56px;
  text-align: left;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #FFFFFF;
  box-shadow: var(--shadow-lg);
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: #F8FAFC;
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; }
.term-dot.red { background: #FCA5A5; }
.term-dot.yellow { background: #FCD34D; }
.term-dot.green { background: #6EE7B7; }
.term-title {
  margin-left: 8px; font-family: var(--mono); font-size: 12px; color: var(--ink-mute);
  flex: 1;
}
.term-live {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px; color: var(--mint);
  text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600;
}
.term-body {
  padding: 22px 24px; font-family: var(--mono); font-size: 13.5px; line-height: 1.85;
  background: #FFFFFF;
}
.term-body p { margin: 0; color: var(--ink); }
.t-muted { color: var(--ink-mute); }
.t-ai { color: var(--primary-deep); font-weight: 500; }
.t-warn { color: #B45309; }
.shine {
  background: linear-gradient(90deg, #0369A1, #0EA5E9 40%, #10B981 60%, #0369A1);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: aiShimmer 3s linear infinite;
  font-weight: 600;
}
.cursor {
  display: inline-block; width: 9px; height: 16px; vertical-align: -3px;
  background: var(--primary); margin-left: 2px;
  animation: termBlink 1s steps(2) infinite;
}

/* Hero metrics */
.hero-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  max-width: 780px; margin: 0 auto;
}
@media (max-width: 720px) { .hero-metrics { grid-template-columns: 1fr; } }
.metric {
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #FFFFFF;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, transform .3s;
}
.metric:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.m-num {
  font-family: var(--mono); font-size: 40px; font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.m-suf {
  font-family: var(--mono); font-size: 24px; color: var(--primary); margin-left: 2px; font-weight: 600;
}
.metric p { margin: 8px 0 0; color: var(--ink-dim); font-size: 14px; }

/* Globe — mais sutil no light */
.globe-wrap {
  position: absolute; right: -140px; top: 50%;
  width: 700px; height: 700px; transform: translateY(-50%);
  opacity: 0.25; z-index: 0; pointer-events: none;
}
.globe-spin { animation: globeSpin 32s linear infinite; transform-origin: 200px 200px; }
.globe-ring-spin { animation: globeRingSpin 14s linear infinite; transform-origin: 200px 200px; }
@media (max-width: 1100px) { .globe-wrap { display: none; } }

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust {
  padding: 48px 0 56px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #FFFFFF;
}
.trust-label {
  text-align: center; color: var(--ink-mute); font-family: var(--mono);
  font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase;
  margin: 0 0 22px;
}
.trust-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  max-width: 980px; margin: 0 auto;
}
.trust-row span {
  padding: 10px 18px; border: 1px solid var(--line-strong);
  border-radius: 999px; font-size: 13.5px; color: var(--ink-dim);
  background: #FFFFFF; font-weight: 500;
  transition: border-color .3s, color .3s;
}
.trust-row span:hover { border-color: var(--primary); color: var(--primary-deep); }

/* ============================================================
   PROBLEMA
   ============================================================ */
.pain-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
@media (max-width: 960px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pain-grid { grid-template-columns: 1fr; } }

.pain {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.pain:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--line-hover); }
.pain::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(500px 200px at var(--mx,50%) var(--my,0%), rgba(14,165,233,0.08), transparent 60%);
  transition: opacity .3s; pointer-events: none;
}
.pain:hover::before { opacity: 1; }
.pain-icn {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary-deep);
  margin-bottom: 16px;
}
.pain-icn svg { width: 22px; height: 22px; }
.pain h3 { font-size: 18px; margin: 0 0 8px; letter-spacing: -0.015em; color: var(--ink); }
.pain p { color: var(--ink-dim); font-size: 14.5px; margin: 0 0 14px; }
.pain-stat {
  display: inline-block; padding: 6px 10px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em;
  color: #B91C1C; background: #FEE2E2;
  border-radius: 8px; font-weight: 600;
}
.pain-cta {
  text-align: center; margin-top: 56px;
  font-size: 17px; color: var(--ink-dim);
}
.pain-cta b { color: var(--ink); }

/* ============================================================
   SOLUCAO / STACK
   ============================================================ */
.stack-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-bottom: 72px;
}
@media (max-width: 960px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .stack-grid { grid-template-columns: 1fr; } }

.stack {
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.stack:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--line-hover); }
.stack::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--mint), transparent);
  animation: lineReveal 4s ease-in-out infinite;
}
.stack-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em;
  color: var(--primary-deep); text-transform: uppercase;
  padding: 6px 12px; border: 1px solid var(--primary-soft);
  background: var(--primary-soft); border-radius: 999px;
  margin-bottom: 16px; font-weight: 600;
}
.stack h3 { font-size: 20px; margin: 0 0 10px; letter-spacing: -0.015em; color: var(--ink); }
.stack > p { color: var(--ink-dim); font-size: 14.5px; margin: 0 0 16px; }
.check { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.check li {
  position: relative; padding-left: 24px; color: var(--ink-dim); font-size: 13.5px;
}
.check li::before {
  content: ''; position: absolute; left: 0; top: 5px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--mint-soft);
  border: 1.5px solid var(--mint);
}
.check li::after {
  content: ''; position: absolute; left: 4px; top: 9px;
  width: 6px; height: 3px;
  border-left: 1.5px solid var(--mint);
  border-bottom: 1.5px solid var(--mint);
  transform: rotate(-45deg);
}

/* Live feed */
.live-feed {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.feed-head {
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-dim);
  letter-spacing: 0.06em;
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-tint);
}
.feed-head b { color: var(--ink); }
.feed-track {
  display: flex; flex-direction: column;
  animation: feedScroll 28s linear infinite;
}
.feed-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 13px; color: var(--ink-dim);
}
.feed-row b { color: var(--ink); font-weight: 600; }
.f-time { color: var(--ink-mute); min-width: 44px; }
.f-tag {
  font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 6px; font-weight: 700;
}
.f-tag.green { color: #047857; background: #D1FAE5; }
.f-tag.cyan { color: #0369A1; background: #E0F2FE; }
.f-tag.purple { color: #4F46E5; background: #E0E7FF; }
.f-tag.orange { color: #B45309; background: #FEF3C7; }

/* ============================================================
   PROCESSO / STEPS
   ============================================================ */
.steps {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch; gap: 12px;
}
@media (max-width: 960px) { .steps { grid-template-columns: 1fr; } .step-line { display: none; } }

.step {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.step:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--line-hover); }
.step-n {
  font-family: var(--mono); font-size: 13px;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: 0.18em; margin-bottom: 14px; font-weight: 700;
}
.step h3 { font-size: 19px; margin: 0 0 10px; letter-spacing: -0.015em; color: var(--ink); }
.step p { color: var(--ink-dim); font-size: 14px; margin: 0 0 14px; }
.step-tag {
  display: inline-block; padding: 4px 10px; font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.08em; color: var(--primary-deep);
  border: 1px solid var(--primary-soft); background: var(--primary-soft);
  border-radius: 6px; font-weight: 600;
}
.step-line {
  align-self: center;
  width: 36px; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--mint));
  position: relative; opacity: 0.6; border-radius: 2px;
}
.step-line::after {
  content: ''; position: absolute; top: 50%; left: 0; width: 8px; height: 8px;
  background: var(--primary); border-radius: 50%; transform: translateY(-50%);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.2);
  animation: spokeFlow 3s linear infinite;
}

/* ============================================================
   KPIs
   ============================================================ */
.kpis {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 72px;
}
@media (max-width: 960px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .kpis { grid-template-columns: 1fr; } }

.kpi {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-tint) 100%);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, transform .3s;
}
.kpi:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.kpi-top {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em;
  color: var(--ink-dim); text-transform: uppercase; margin-bottom: 14px; font-weight: 600;
}
.kpi-big {
  font-family: var(--mono); font-weight: 700; font-size: 54px;
  letter-spacing: -0.03em; line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 10px;
  animation: mrrPop .9s ease-out;
}
.kpi p { margin: 0; color: var(--ink-dim); font-size: 13.5px; }

/* Quotes */
.quotes {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
@media (max-width: 960px) { .quotes { grid-template-columns: 1fr; } }

.quote {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.quote:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--line-hover); }
.q-mark { width: 26px; height: 26px; color: var(--primary); opacity: 0.4; margin-bottom: 14px; }
.quote p { font-size: 16px; line-height: 1.55; margin: 0 0 22px; color: var(--ink); }
.q-author { display: flex; align-items: center; gap: 12px; }
.q-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--grad); color: #FFFFFF;
  display: grid; place-items: center; font-weight: 700; font-size: 14px;
}
.q-author b { display: block; font-size: 14.5px; color: var(--ink); }
.q-author span { font-size: 12.5px; color: var(--ink-mute); }

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.diff-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
@media (max-width: 960px) { .diff-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .diff-grid { grid-template-columns: 1fr; } }

.diff {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.diff:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--line-hover); }
.diff svg {
  width: 28px; height: 28px; margin-bottom: 14px;
  padding: 8px; box-sizing: content-box;
  border-radius: 10px;
  color: var(--primary-deep); background: var(--primary-soft);
}
.diff h4 { font-size: 16.5px; margin: 0 0 8px; letter-spacing: -0.01em; color: var(--ink); }
.diff p { color: var(--ink-dim); font-size: 13.5px; margin: 0; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #FFFFFF;
  padding: 4px 22px;
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.faq-item:hover { border-color: var(--line-hover); box-shadow: var(--shadow-sm); }
.faq-item[open] { background: var(--bg-tint); border-color: var(--primary-soft); }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 0;
  font-weight: 600; font-size: 16px; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 22px; color: var(--primary-deep); font-weight: 300;
  transition: transform .3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--ink-dim); font-size: 14.5px; padding: 0 0 18px; margin: 0; }

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final {
  position: relative; overflow: hidden;
  padding: 120px 0;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(14,165,233,0.12), transparent 60%),
    radial-gradient(800px 400px at 50% 100%, rgba(16,185,129,0.10), transparent 60%),
    linear-gradient(180deg, var(--bg-tint) 0%, #FFFFFF 100%);
  border-top: 1px solid var(--line);
}
.cta-box {
  max-width: 780px; margin: 0 auto; text-align: center;
  position: relative; z-index: 2;
  padding: 56px 48px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
}
@media (max-width: 600px) { .cta-box { padding: 40px 24px; } }
.cta-box .kicker { margin-bottom: 20px; }
.cta-box .h2 { margin-bottom: 14px; }
.cta-box .lead { margin-bottom: 32px; }

.form { display: flex; flex-direction: column; gap: 12px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row.single { grid-template-columns: 1fr; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form input, .form select {
  width: 100%; padding: 14px 16px;
  background: #FFFFFF;
  border: 1px solid var(--line-strong); border-radius: 10px;
  color: var(--ink); font-size: 14.5px; font-family: inherit;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.form input::placeholder { color: var(--ink-mute); }
.form select { color: var(--ink-dim); }
.form input:focus, .form select:focus {
  outline: none; border-color: var(--primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(14,165,233,0.12);
}
.form .btn { justify-content: center; margin-top: 8px; }
.form-legal { text-align: center; color: var(--ink-mute); font-size: 12px; margin: 6px 0 0; }
.form-success {
  margin: 10px 0 0; text-align: center;
  color: #047857; font-size: 14px; font-weight: 600;
  padding: 12px; background: var(--mint-soft);
  border: 1px solid var(--mint); border-radius: 10px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  padding: 72px 0 32px;
  border-top: 1px solid var(--line);
  background: #FFFFFF;
}
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }
.brand-foot { margin-bottom: 14px; }
.foot-tag { color: var(--ink-dim); font-size: 14px; max-width: 320px; }
.foot h5 { font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-dim); margin: 0 0 18px; font-weight: 600; }
.foot a { display: block; color: var(--ink-dim); font-size: 14px; margin-bottom: 10px; transition: color .2s; }
.foot a:hover { color: var(--primary-deep); }
.foot-bottom {
  padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--ink-mute); font-size: 12.5px;
}

/* ============================================================
   LIVE DOT SYSTEM
   ============================================================ */
.dot-live {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--mint); position: relative;
  box-shadow: 0 0 0 0 rgba(16,185,129,0.6);
  animation: livePulse 1.8s ease-out infinite;
}
.dot-live.red { background: var(--coral); box-shadow: 0 0 0 0 rgba(244,63,94,0.6); animation: dotPulseRed 1.8s ease-out infinite; }

/* ============================================================
   KEYFRAMES (49)
   ============================================================ */
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
@keyframes termBlink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes aiShimmer { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
@keyframes systemShimmer { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }
@keyframes bgFadeIn { from { opacity: 0; } to { opacity: 0.85; } }

@keyframes globeSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes globeRingSpin { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }
@keyframes gMeridians { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -400; } }
@keyframes gParallels { from { stroke-dashoffset: 0; } to { stroke-dashoffset: 400; } }
@keyframes spokeFlow {
  0% { transform: translateY(-50%) translateX(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(-50%) translateX(28px); opacity: 0; }
}
@keyframes ringPulse { 0% { transform: scale(1); opacity: 0.6; } 100% { transform: scale(1.6); opacity: 0; } }
@keyframes rippleExpand { 0% { transform: scale(0.5); opacity: 0.8; } 100% { transform: scale(2.2); opacity: 0; } }
@keyframes waveEmit { 0%, 100% { transform: translateY(0); opacity: 0.6; } 50% { transform: translateY(-4px); opacity: 1; } }

@keyframes hrRise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hrRiseSmooth { from { opacity: 0; transform: translateY(18px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes hrBlurRise { from { opacity: 0; transform: translateY(20px); filter: blur(10px); } to { opacity: 1; transform: translateY(0); filter: blur(0); } }
@keyframes hrFade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hrScale { from { opacity: 0; transform: scale(0.94); } to { opacity: 1; transform: scale(1); } }
@keyframes hrSlideRight { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes hlDraw { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes lineReveal {
  0% { opacity: 0; transform: translateX(-100%); }
  50% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(100%); }
}
@keyframes osLineIn { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }
@keyframes strikeIn { from { width: 0; opacity: 0; } to { width: 100%; opacity: 1; } }

@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(14,165,233,0.6); }
  100% { box-shadow: 0 0 0 12px rgba(14,165,233,0); }
}
@keyframes dotPulseRed {
  0% { box-shadow: 0 0 0 0 rgba(244,63,94,0.6); }
  100% { box-shadow: 0 0 0 12px rgba(244,63,94,0); }
}
@keyframes dotGlowPulse {
  0%, 100% { filter: drop-shadow(0 0 4px var(--primary)); }
  50% { filter: drop-shadow(0 0 10px var(--primary)); }
}
@keyframes dotReveal { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes dotRing {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(2.4); opacity: 0; }
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(16,185,129,0.55); }
  70%, 100% { box-shadow: 0 0 0 10px rgba(16,185,129,0); }
}
@keyframes cPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes etPulse { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } }
@keyframes etPulseText { 0%, 100% { letter-spacing: 0.12em; } 50% { letter-spacing: 0.18em; } }
@keyframes etReveal { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes etShine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes cardBreath {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
@keyframes cardBreathe {
  0%, 100% { opacity: 0.96; }
  50% { opacity: 1; }
}
@keyframes cardWave {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes tileBreathe {
  0%, 100% { opacity: 0.85; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-2px); }
}
@keyframes tileGlow {
  0%, 100% { box-shadow: 0 0 0 1px rgba(14,165,233,0.08); }
  50% { box-shadow: 0 0 0 1px rgba(14,165,233,0.25), 0 0 18px rgba(14,165,233,0.12); }
}
@keyframes lotePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.03); } }
@keyframes loteShimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

@keyframes mrrPop {
  0% { opacity: 0; transform: scale(0.5) translateY(12px); }
  60% { opacity: 1; transform: scale(1.06) translateY(-2px); }
  100% { transform: scale(1) translateY(0); }
}
@keyframes mrrWave { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes moneyFloat {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-40px); opacity: 0; }
}
@keyframes recFloat { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-8px) rotate(4deg); } }
@keyframes setupPop {
  0% { opacity: 0; transform: scale(0.7); }
  50% { opacity: 1; transform: scale(1.1); }
  100% { transform: scale(1); }
}
@keyframes installShock {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}
@keyframes feedScroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
@keyframes slide { from { transform: translateX(-20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ============================================================
   HERO ENTRANCE (on-load)
   ============================================================ */
.hrRise { animation: hrRise .9s cubic-bezier(.2,.9,.2,1) both; }
.hrRiseSmooth { animation: hrRiseSmooth 1s cubic-bezier(.2,.9,.2,1) both; }
.hrBlurRise { animation: hrBlurRise 1.1s cubic-bezier(.2,.9,.2,1) both; }
.hrFade { animation: hrFade 1s ease-out both; }
.hrScale { animation: hrScale 1s cubic-bezier(.2,.9,.2,1) both; }
.hrSlideRight { animation: hrSlideRight 1s cubic-bezier(.2,.9,.2,1) both; }

/* Staggered delays */
.d1 { animation-delay: .08s; }
.d2 { animation-delay: .16s; }
.d3 { animation-delay: .26s; }
.d4 { animation-delay: .38s; }
.d5 { animation-delay: .5s; }
.d6 { animation-delay: .62s; }
.d7 { animation-delay: .74s; }

/* Breathing (mais sutil no light — 6s com apenas translate) */
.card-breath { animation: cardBreath 7s ease-in-out infinite; }
.tile-breathe { animation: tileBreathe 5s ease-in-out infinite; }

/* ============================================================
   SCROLL REVEAL — IntersectionObserver
   ============================================================ */
.section .kicker,
.section .h2,
.section .lead,
.section .pain,
.section .stack,
.section .step,
.section .step-line,
.section .kpi,
.section .quote,
.section .diff,
.section .faq-item,
.trust-row span,
.live-feed,
.pain-cta,
.cta-box {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2,.9,.2,1), transform .9s cubic-bezier(.2,.9,.2,1);
}
.in-view {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.reveal-stagger > * { transition-delay: calc(var(--i, 0) * 60ms); }

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  #particles, #particlesCta { display: none; }
}

/* ============================================================
   SELECTION / SCROLLBAR
   ============================================================ */
::selection { background: var(--primary-soft); color: var(--primary-deep); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--ink-soft); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-mute); }