/* =========================================================
   OCAM — Ventilação Mecânica Clínica
   Design tokens
   ========================================================= */
:root{
  --bg-deep: #08151F;
  --bg-panel: #0F2438;
  --bg-panel-alt: #122A42;
  --ink: #EAF1F6;
  --ink-muted: #9FB4C4;
  --ink-dim: #6E869B;
  --accent: #FF6A3D;
  --accent-strong: #FF7F4D;
  --accent-ink: #2A0D02;
  --wave: #3FD6C4;
  --line: rgba(234,241,246,0.09);
  --line-strong: rgba(234,241,246,0.16);
  --shadow-soft: 0 20px 60px rgba(0,0,0,0.35);

  --font-display: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --content-w: 1180px;
  --measure: 640px;

  --radius-s: 6px;
  --radius-m: 10px;

  --ease: cubic-bezier(.16,.8,.32,1);
}

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

html{
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--bg-deep);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a{ color: inherit; text-decoration: none; }

h1, h2, h3, h4{
  margin: 0 0 0.5em 0;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

p{ margin: 0 0 1em 0; color: var(--ink-muted); }

ul{ margin: 0; padding: 0; list-style: none; }

button{ font-family: inherit; cursor: pointer; }

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

/* Focus visibility — accessibility floor */
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline: 2px solid var(--wave);
  outline-offset: 3px;
  border-radius: 4px;
}

.container{
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 24px;
}

.measure{ max-width: var(--measure); }

section{
  padding: 88px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 720px){
  section{ padding: 64px 0; }
}

.section-panel{ background: var(--bg-panel); }

.kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--accent-strong);
  margin-bottom: 18px;
}
.kicker::before{
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,106,61,0.18);
}

h2.section-title{
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  max-width: 20ch;
}

.section-lead{
  max-width: var(--measure);
  font-size: 1.05rem;
  color: var(--ink-muted);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: var(--radius-s);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease);
  min-height: 48px;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: var(--accent);
  color: #17090180;
  color: #1B0A02;
}
.btn-primary:hover{ background: var(--accent-strong); }

.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover{ border-color: var(--wave); color: var(--wave); }

.btn-block{ width: 100%; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8,21,31,0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.logo-mark{
  width: 30px; height: 30px;
  border-radius: 7px;
  background: linear-gradient(145deg, var(--wave), #1c8f83);
  display: flex; align-items: center; justify-content: center;
  color: #04211d;
  font-weight: 700;
  font-size: 13px;
}
.nav-links{
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  color: var(--ink-muted);
}
.nav-links a:hover{ color: var(--ink); }
.header-actions{ display: flex; align-items: center; gap: 18px; }
.nav-toggle{ display: none; }

@media (max-width: 860px){
  .nav-links{ display: none; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position: relative;
  padding: 64px 0 80px;
  overflow: hidden;
  border-top: none;
}

.hero-wave-bg{
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}
.hero-wave-bg svg{ width: 100%; height: 100%; }
.wave-line{
  fill: none;
  stroke: var(--wave);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.5;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: draw-wave 2.4s var(--ease) forwards 0.2s;
}
.wave-line.wave-loop{
  animation: draw-wave 2.4s var(--ease) forwards 0.2s, scroll-wave 7s linear infinite 2.6s;
}
@keyframes draw-wave{
  to{ stroke-dashoffset: 0; }
}
@keyframes scroll-wave{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

.hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; gap: 40px; }
}

.hero-title{
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.15rem);
  max-width: 15ch;
}
.hero-sub{
  font-size: 1.12rem;
  max-width: 46ch;
  color: var(--ink-muted);
}

.hero-cta-row{
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 30px 0 26px;
}

.hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-dim);
}
.hero-meta li{ display: flex; align-items: center; gap: 8px; }
.hero-meta svg{ flex-shrink: 0; color: var(--wave); }

.hero-visual{ position: relative; }
.hero-visual-frame{
  position: relative;
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--line-strong);
  aspect-ratio: 1 / 1;
  background: var(--bg-panel);
}
.hero-visual-frame img{
  width: 100%; height: 100%; object-fit: cover;
}
.hero-readout{
  position: absolute;
  bottom: 18px;
  left: 18px;
  right: 18px;
  display: flex;
  gap: 10px;
  background: rgba(8,21,31,0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  padding: 10px 14px;
  font-family: var(--font-mono);
}
.hero-readout div{ flex: 1; text-align: center; }
.hero-readout .rl{ font-size: 10px; color: var(--ink-dim); letter-spacing: 0.03em; }
.hero-readout .rv{ font-size: 15px; color: var(--wave); font-weight: 600; }
@media (max-width: 500px){
  .hero-readout{ display: none; }
}

/* =========================================================
   Trust strip
   ========================================================= */
.trust-strip{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}
.trust-row{
  display: flex;
  flex-wrap: wrap;
  gap: 28px 44px;
  justify-content: space-between;
  align-items: center;
}
.trust-item{
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--ink-muted);
}
.trust-item strong{
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--ink);
  font-weight: 600;
}

/* =========================================================
   Problem section
   ========================================================= */
.problem-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 44px;
}
@media (max-width: 860px){
  .problem-grid{ grid-template-columns: 1fr; }
}
.problem-card{
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-panel-alt);
}
.problem-card h3{ font-size: 1.05rem; }
.problem-card p{ font-size: 0.95rem; margin-bottom: 0; }
.problem-card .glyph{
  width: 38px; height: 38px;
  margin-bottom: 16px;
  color: var(--accent-strong);
}

/* =========================================================
   Method — 4 steps
   ========================================================= */
.method-flow{
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
@media (max-width: 920px){
  .method-flow{ grid-template-columns: 1fr; gap: 22px; }
}
.method-step{
  position: relative;
  padding: 0 26px 0 0;
}
.method-step:not(:last-child)::after{
  content: '';
  position: absolute;
  top: 22px;
  right: -2px;
  width: 24px;
  height: 1px;
  background: var(--line-strong);
}
@media (max-width: 920px){
  .method-step:not(:last-child)::after{ display: none; }
  .method-step{ padding-right: 0; }
}
.method-num{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-strong);
  border: 1px solid var(--line-strong);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  margin-bottom: 18px;
}
.method-step h3{ font-size: 1.08rem; }
.method-step p{ font-size: 0.93rem; margin-bottom: 0; }

/* =========================================================
   Pillars
   ========================================================= */
.pillars-grid{
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
}
@media (max-width: 920px){
  .pillars-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px){
  .pillars-grid{ grid-template-columns: 1fr; }
}
.pillar .glyph{
  width: 34px; height: 34px;
  color: var(--wave);
  margin-bottom: 16px;
}
.pillar h3{ font-size: 1rem; }
.pillar p{ font-size: 0.92rem; margin-bottom: 0; }

/* =========================================================
   Curriculum accordion
   ========================================================= */
.curriculum-wrap{
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.module{
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-panel-alt);
  overflow: hidden;
}
.module > summary{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  cursor: pointer;
}
.module > summary::-webkit-details-marker{ display: none; }
.module-num{
  font-family: var(--font-mono);
  color: var(--accent-strong);
  font-size: 0.85rem;
  min-width: 26px;
}
.module-title{
  flex: 1;
  font-weight: 500;
  font-size: 0.98rem;
}
.module-chevron{
  color: var(--ink-dim);
  transition: transform 0.2s var(--ease);
  flex-shrink: 0;
}
.module[open] .module-chevron{ transform: rotate(180deg); }
.module-body{
  padding: 0 22px 20px 66px;
  font-size: 0.92rem;
  color: var(--ink-muted);
}
@media (max-width: 560px){
  .module-body{ padding-left: 22px; }
}

.bonus-row{
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 780px){
  .bonus-row{ grid-template-columns: 1fr; }
}
.bonus-card{
  padding: 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-m);
}
.bonus-tag{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--wave);
  margin-bottom: 10px;
  display: block;
}
.bonus-card h4{ font-size: 0.96rem; margin-bottom: 6px; }
.bonus-card p{ font-size: 0.88rem; margin-bottom: 0; }

/* =========================================================
   Instructor
   ========================================================= */
.instructor-grid{
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 780px){
  .instructor-grid{ grid-template-columns: 1fr; }
}
.instructor-photo{
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  aspect-ratio: 1/1;
}
.instructor-credentials{
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.instructor-credentials li{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--ink-muted);
}
.instructor-credentials svg{ flex-shrink: 0; margin-top: 3px; color: var(--wave); }

/* =========================================================
   Pricing / Investimento
   ========================================================= */
.pricing-grid{
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px){
  .pricing-grid{ grid-template-columns: 1fr; gap: 36px; }
}

.pricing-value-list{
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.pricing-value-item{
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pricing-value-icon{
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(63,214,196,0.1);
  border: 1px solid rgba(63,214,196,0.28);
  color: var(--wave);
}
.pricing-value-item h4{ font-size: 1rem; margin-bottom: 4px; }
.pricing-value-item p{ font-size: 0.92rem; margin-bottom: 0; }

.pricing-note{
  margin-top: 8px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-dim);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.pricing-note svg{ flex-shrink: 0; margin-top: 2px; color: var(--ink-dim); }

/* --- Card --- */
.pricing-card{
  position: relative;
  padding: 2px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(255,106,61,0.55), rgba(63,214,196,0.35) 55%, rgba(255,255,255,0.06));
}
.pricing-card-inner{
  border-radius: 16px;
  background: linear-gradient(175deg, #102842, var(--bg-panel-alt) 60%);
  padding: 38px 34px;
  text-align: center;
  box-shadow: 0 30px 80px -20px rgba(255,106,61,0.18), var(--shadow-soft);
}

.pricing-badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--accent-strong);
  background: rgba(255,106,61,0.12);
  border: 1px solid rgba(255,106,61,0.3);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.pricing-price-line{
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.pricing-times{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-muted);
}
.pricing-amount{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.5rem, 1.9rem + 2.4vw, 3.4rem);
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.01em;
}
.pricing-cash{
  margin-top: 8px;
  font-size: 0.92rem;
  color: var(--ink-muted);
}
.pricing-cash strong{
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 600;
}
.pricing-perday{
  margin: 14px 0 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--wave);
}

.pricing-stack{
  text-align: left;
  margin: 28px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.pricing-stack li{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--ink-muted);
}
.pricing-stack svg{ flex-shrink: 0; margin-top: 3px; color: var(--wave); }
.pricing-stack strong{ color: var(--ink); font-weight: 600; }

.pricing-cta{ margin-top: 28px; }
.pricing-cta .btn{ font-size: 1.02rem; padding: 17px 26px; }
.pricing-microcopy{
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 12px;
}

/* Escassez/urgência real — opcional, ver comentário no HTML antes de ativar */
.pricing-urgency{
  margin-bottom: 22px;
  padding: 12px 16px;
  border-radius: var(--radius-s);
  border: 1px dashed rgba(255,106,61,0.4);
  background: rgba(255,106,61,0.07);
  font-size: 0.88rem;
  color: var(--accent-strong);
}

.guarantee-box{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  padding: 36px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, var(--bg-panel-alt), var(--bg-panel));
}
@media (max-width: 640px){
  .guarantee-box{ grid-template-columns: 1fr; text-align: left; }
}
.guarantee-badge{
  width: 84px; height: 84px;
  border-radius: 50%;
  border: 1.5px solid var(--wave);
  display: flex; align-items: center; justify-content: center;
  color: var(--wave);
  flex-shrink: 0;
}
.guarantee-box h3{ font-size: 1.15rem; }
.guarantee-box p{ margin-bottom: 0; font-size: 0.95rem; }

/* =========================================================
   FAQ
   ========================================================= */
.faq-list{
  margin-top: 40px;
  max-width: var(--measure);
}
.faq-item{
  border-bottom: 1px solid var(--line);
}
.faq-item > summary{
  list-style: none;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  font-weight: 500;
}
.faq-item > summary::-webkit-details-marker{ display: none; }
.faq-item .module-chevron{ transition: transform 0.2s var(--ease); }
.faq-item[open] .module-chevron{ transform: rotate(180deg); }
.faq-item p{
  padding-bottom: 20px;
  font-size: 0.94rem;
  max-width: 62ch;
}

/* =========================================================
   Final CTA
   ========================================================= */
.final-cta{
  text-align: left;
  background: radial-gradient(120% 160% at 15% 0%, rgba(255,106,61,0.14), transparent 60%), var(--bg-panel);
}
.final-cta-inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.final-cta h2{ font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); max-width: 18ch; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  padding: 48px 0 36px;
  font-size: 0.85rem;
  color: var(--ink-dim);
}
.footer-top{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.footer-links{
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a:hover{ color: var(--ink-muted); }
.footer-fine{ max-width: 70ch; line-height: 1.6; }

/* =========================================================
   Reveal-on-scroll (single, restrained pattern)
   ========================================================= */
/* Sem JS (ou antes do JS carregar), o conteúdo fica sempre visível.
   O efeito de entrada só é aplicado quando <html class="has-js">
   existe, escrita de forma síncrona no <head> — assim nunca há
   risco de conteúdo preso em opacity:0 por falha de script. */
.has-js .reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.has-js .reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .has-js .reveal{ opacity: 1; transform: none; }
}

/* Skip link */
.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--accent);
  color: #1B0A02;
  padding: 12px 18px;
  border-radius: var(--radius-s);
  z-index: 100;
  font-weight: 600;
}
.skip-link:focus{
  left: 24px;
  top: 12px;
}