:root {
  --night: #080c12;
  --night-raised: #0d131d;
  --night-card: #111a26;
  --night-inset: #091019;
  --ink: #f4f7fb;
  --ink-soft: #b9c4d3;
  --ink-muted: #7f8da0;
  --line: rgba(255, 255, 255, .1);
  --line-soft: rgba(255, 255, 255, .06);
  --cyan: #38bdf8;
  --cyan-bright: #7dd3fc;
  --green: #34d399;
  --amber: #fbbf24;
  --danger: #fb7185;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shell: min(1160px, calc(100% - 40px));
  color-scheme: dark;
  font-family: 'Karla', sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 70% -12%, rgba(56, 189, 248, .12), transparent 30rem),
    var(--night);
  font-size: 1.0625rem;
  line-height: 1.55;
}

a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 20;
  padding: .75rem 1rem; border-radius: var(--radius-sm);
  color: var(--night); background: var(--cyan-bright); font-weight: 700;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: relative; z-index: 4;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(8, 12, 18, .82);
  backdrop-filter: blur(16px);
}
.header-shell { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.15rem; font-weight: 700; text-decoration: none; }
.brand-mark {
  display: grid; width: 34px; height: 34px; place-items: center;
  border: 1px solid rgba(56, 189, 248, .6); border-radius: 10px;
  color: var(--cyan-bright); background: rgba(15, 22, 34, .9);
  font-size: .75rem; letter-spacing: .08em;
  overflow: hidden;
  padding: 3px;
}
.brand-mark img { width: 100%; height: 100%; display: block; }
.volt-bolt-icon {
  display: inline-block;
  vertical-align: middle;
  height: 1.15em;
  width: 1.15em;
  flex-shrink: 0;
}
.brand-text { display: inline-flex; align-items: center; }
.brand-divider { color: rgba(255, 255, 255, .3); margin-inline: .35rem; font-weight: 300; }
.brand-volt { color: var(--cyan-bright); font-weight: 700; letter-spacing: -.01em; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 1.2rem; }
.site-nav a { color: var(--ink-muted); font-size: .9rem; text-decoration: none; transition: color 180ms ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--cyan-bright); }
.nav-home-link {
  color: var(--cyan-bright) !important;
  opacity: .85;
  font-size: .86rem !important;
  padding-right: .6rem;
  border-right: 1px solid var(--line);
}
.nav-home-link:hover { opacity: 1; text-decoration: underline; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr); gap: clamp(3rem, 8vw, 7rem); align-items: center; padding-block: clamp(4.5rem, 10vw, 8rem) 5.5rem; }
.eyebrow, .section-kicker, .flow-kicker {
  margin: 0 0 1rem; color: var(--cyan-bright); font-size: .76rem;
  font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.hero h1, h2, h3 { font-family: 'Bricolage Grotesque', sans-serif; line-height: 1.08; text-wrap: balance; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.8rem, 6vw, 5.8rem); letter-spacing: -.055em; }
.hero h1 em { color: var(--cyan-bright); font-style: normal; }
.hero-lede { max-width: 680px; margin: 1.8rem 0 0; color: var(--ink-soft); font-size: clamp(1.15rem, 2vw, 1.4rem); line-height: 1.45; }
.hero-note { display: flex; align-items: center; gap: .6rem; margin: 1.5rem 0 0; color: var(--ink-muted); font-size: .92rem; }
.hero-note::before { content: ''; width: .55rem; height: .55rem; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(52, 211, 153, .1); }

.flow-panel {
  position: relative; overflow: hidden; padding: clamp(1.35rem, 4vw, 2rem);
  border: 1px solid rgba(125, 211, 252, .25); border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(17, 26, 38, .98), rgba(13, 19, 29, .98));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .02), 0 24px 80px rgba(0, 0, 0, .28);
}
.flow-panel::before { content: ''; position: absolute; width: 12rem; height: 12rem; right: -6rem; top: -6rem; border-radius: 50%; background: rgba(56, 189, 248, .1); filter: blur(12px); pointer-events: none; }
.flow-header, .flow-step, .flow-success { position: relative; z-index: 1; }
.flow-header h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.25rem); letter-spacing: -.03em; }
.flow-header p { margin: .8rem 0 0; color: var(--ink-soft); }
.flow-progress { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-bottom: 1.6rem; }
.progress-step { display: flex; align-items: center; gap: .5rem; color: var(--ink-muted); font-size: .8rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.progress-step::before { content: ''; display: grid; flex: 0 0 1.7rem; width: 1.7rem; height: 1.7rem; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--ink-muted); font-size: .7rem; }
.progress-step:nth-child(1)::before { content: '01'; }
.progress-step:nth-child(2)::before { content: '02'; }
.progress-step.is-active { color: var(--cyan-bright); }
.progress-step.is-active::before { border-color: var(--cyan); color: var(--night); background: var(--cyan); }
.progress-step.is-done { color: var(--green); }
.progress-step.is-done::before { content: '✓'; border-color: var(--green); color: var(--night); background: var(--green); }
.flow-step[hidden], .flow-success[hidden] { display: none; }
.flow-step { animation: step-in 260ms cubic-bezier(.23, 1, .32, 1); }
@keyframes step-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.flow-step h3 { margin: 0 0 1.2rem; font-size: 1.2rem; }
.field { display: grid; gap: .42rem; margin-top: 1rem; }
.field:first-of-type { margin-top: 0; }
.field label, .survey-question legend, .survey-question label { color: var(--ink-soft); font-size: .9rem; font-weight: 600; }
.required { color: var(--cyan-bright); }
.field input, .field textarea {
  width: 100%; border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius-sm);
  color: var(--ink); background: var(--night-inset); outline: 0; padding: .82rem .9rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.field input::placeholder, .field textarea::placeholder { color: #5f6d7e; }
.field input:focus, .field textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(56, 189, 248, .17); }
.field textarea { min-height: 5.8rem; resize: vertical; }
.field-error { min-height: 1.2em; color: var(--danger); font-size: .82rem; }
.is-invalid { border-color: var(--danger) !important; }
.honeypot { position: absolute !important; left: -10000px !important; top: -10000px !important; width: 1px !important; height: 1px !important; margin: -1px !important; padding: 0 !important; border: 0 !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; opacity: 0.001 !important; pointer-events: none !important; z-index: -9999 !important; }
.form-action { display: grid; gap: .7rem; margin-top: 1.25rem; }
.button {
  display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; gap: .55rem;
  padding: .75rem 1.1rem; border: 1px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer; font-weight: 700; text-decoration: none; transition: transform 160ms ease, background-color 180ms ease, border-color 180ms ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: scale(.98); }
.button:focus-visible { outline: 3px solid rgba(125, 211, 252, .38); outline-offset: 2px; }
.button-primary { color: #04111a; background: var(--cyan-bright); }
.button-primary:hover { background: #bae6fd; }
.button-secondary { color: var(--ink); border-color: var(--line); background: transparent; }
.button-secondary:hover { border-color: rgba(125, 211, 252, .6); background: rgba(125, 211, 252, .08); }
.form-microcopy { margin: 0; color: var(--ink-muted); font-size: .82rem; text-align: center; }
.form-status { min-height: 1.3em; margin: .9rem 0 0; color: var(--danger); font-size: .88rem; }
.form-status[data-kind='success'] { color: var(--green); }
.is-loading { cursor: wait; opacity: .72; }
.is-loading::after { content: ''; width: .9rem; height: .9rem; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 650ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.proof-strip { border-block: 1px solid var(--line-soft); background: rgba(13, 19, 29, .55); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.proof-item { min-height: 110px; display: grid; align-content: center; gap: .15rem; padding: 1rem 1.2rem; border-inline: 1px solid var(--line-soft); }
.proof-value { color: var(--cyan-bright); font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.8rem; font-weight: 700; letter-spacing: -.04em; }
.proof-label { color: var(--ink-muted); font-size: .85rem; }

.section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.section-header { max-width: 740px; }
.section-header h2 { margin: 0; font-size: clamp(2rem, 4.2vw, 3.4rem); letter-spacing: -.045em; }
.section-header p { margin: 1.2rem 0 0; color: var(--ink-soft); font-size: 1.12rem; }
.split { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2rem, 8vw, 7rem); align-items: start; }
.manifesto { padding-top: .8rem; border-top: 1px solid var(--cyan); }
.manifesto strong { color: var(--cyan-bright); font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.2rem; }
.manifesto p { color: var(--ink-soft); font-size: 1.1rem; }
.bullet-list { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.bullet-list li { position: relative; padding-left: 1.8rem; color: var(--ink-soft); }
.bullet-list li::before { content: '→'; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.bullet-list strong { color: var(--ink); }

.method-section { background: var(--night-raised); }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 3rem; }
.method-card, .module-card { padding: 1.5rem; border: 1px solid var(--line-soft); border-radius: var(--radius-md); background: var(--night-card); }
.method-card { border-top-color: var(--cyan); }
.card-index { color: var(--cyan); font-size: .78rem; font-weight: 700; letter-spacing: .12em; }
.method-card h3, .module-card h3 { margin: .8rem 0 .55rem; font-size: 1.35rem; }
.method-card p, .module-card p { margin: 0; color: var(--ink-muted); }
.modules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 3rem; }
.module-card { display: grid; align-content: start; gap: .9rem; min-height: 250px; }
.module-card .module-tag { color: var(--amber); font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.module-card ul { display: grid; gap: .5rem; margin: 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: .92rem; }

.authority { border-top: 1px solid var(--line-soft); }
.authority-copy { max-width: 760px; }
.authority-copy p { color: var(--ink-soft); }
.quote { margin: 2rem 0 0; padding: 1.5rem 0 1.5rem 1.5rem; border-left: 2px solid var(--green); color: var(--ink); font-family: 'Bricolage Grotesque', sans-serif; font-size: clamp(1.3rem, 2.4vw, 2rem); line-height: 1.25; }
.faq-list { display: grid; gap: .7rem; margin-top: 2.5rem; }
.faq-list details { border-bottom: 1px solid var(--line-soft); }
.faq-list summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.1rem 0; cursor: pointer; color: var(--ink); font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.1rem; font-weight: 600; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; color: var(--cyan); font-size: 1.4rem; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { max-width: 760px; margin: 0 0 1.2rem; color: var(--ink-muted); }
.closing { padding-top: 1rem; text-align: center; }
.closing h2 { margin: 0; font-size: clamp(2.1rem, 5vw, 4.5rem); letter-spacing: -.05em; }
.survey-anchor { position: relative; top: -1.5rem; visibility: hidden; }
.survey-notice-banner {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1rem 1.2rem;
  margin-bottom: 1.4rem;
  border: 1px solid rgba(52, 211, 153, .45);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(52, 211, 153, .14), rgba(13, 19, 29, .9));
  box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
  animation: banner-pop 280ms cubic-bezier(.23, 1, .32, 1);
}
@keyframes banner-pop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.survey-notice-icon {
  display: grid;
  flex: 0 0 1.7rem;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border-radius: 50%;
  color: var(--night);
  background: var(--green);
  font-size: .9rem;
  font-weight: 800;
  margin-top: .15rem;
}
.survey-notice-content strong {
  display: block;
  color: var(--green);
  font-size: 1rem;
  line-height: 1.3;
}
.survey-notice-content p {
  margin: .3rem 0 0;
  color: var(--ink);
  font-size: .9rem;
  line-height: 1.45;
}

.survey-question {
  display: grid;
  gap: 0.42rem;
  margin: 0;
  padding: 0;
  border: 0;
}
.survey-question + .survey-question { margin-top: 1.1rem; }
.survey-question legend { margin-bottom: .45rem; }
.survey-question label {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.35;
}

.select-wrapper {
  position: relative;
  display: block;
  width: 100%;
}

.survey-question select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  min-height: 2.95rem;
  padding: 0.65rem 2.5rem 0.65rem 0.95rem;
  border-radius: var(--radius-sm);
  background: var(--night-inset);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  box-sizing: border-box;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.survey-question select:hover {
  border-color: rgba(125, 211, 252, 0.4);
}

.survey-question select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
  outline: none;
  background: rgba(15, 23, 42, 0.95);
}

.survey-question select option {
  background: #0f172a;
  color: #f8fafc;
  padding: 0.5rem;
}

.select-arrow {
  position: absolute;
  right: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.survey-question textarea {
  width: 100%;
  min-height: 6.8rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f8fafc;
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  resize: vertical;
  box-sizing: border-box;
  transition: all 0.2s ease;
}
.survey-question textarea:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
  background: rgba(15, 23, 42, 0.9);
  outline: none;
}
.survey-question textarea::placeholder {
  color: #64748b;
  font-style: italic;
}

.voice-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.voice-header-row label {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0;
  flex: 1 1 200px;
}

.btn-voice-record {
  display: none; /* Oculto no desktop web por padrão */
  position: relative;
  align-items: center;
  gap: 0.45rem;
  border-radius: 9999px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(14, 165, 233, 0.08);
  color: #38bdf8;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem 0.25rem 0.35rem;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.2;
  flex-shrink: 0;
}

@media (max-width: 768px), (pointer: coarse) {
  .btn-voice-record {
    display: inline-flex; /* Visível somente no celular e dispositivos touch */
  }
}
.btn-voice-record:hover {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.6);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.22);
}
.audio-icon-wrapper {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  box-shadow: 0 2px 5px rgba(2, 132, 199, 0.4);
  flex-shrink: 0;
}
.audio-pulse-ring {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid rgba(56, 189, 248, 0.45);
  opacity: 0;
  pointer-events: none;
}
.btn-voice-record:hover .audio-pulse-ring {
  animation: audio-ring-pulse 1.6s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.btn-voice-record.is-recording {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
  color: #fca5a5;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.3);
}
.btn-voice-record.is-recording .audio-icon-wrapper {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.5);
}
.btn-voice-record.is-recording .audio-pulse-ring {
  border-color: rgba(239, 68, 68, 0.8);
  animation: audio-ring-pulse 1.1s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes audio-ring-pulse {
  0% {
    transform: scale(0.92);
    opacity: 0.9;
  }
  70% {
    transform: scale(1.45);
    opacity: 0;
  }
  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}
.audio-wave-icon {
  display: block;
}
.btn-voice-record.is-recording .audio-wave-icon path:nth-child(1) { animation: wave-pulse 0.75s ease-in-out infinite alternate; }
.btn-voice-record.is-recording .audio-wave-icon path:nth-child(2) { animation: wave-pulse 0.55s ease-in-out infinite 0.12s alternate; }
.btn-voice-record.is-recording .audio-wave-icon path:nth-child(3) { animation: wave-pulse 0.85s ease-in-out infinite 0.25s alternate; }
.btn-voice-record.is-recording .audio-wave-icon path:nth-child(4) { animation: wave-pulse 0.65s ease-in-out infinite 0.08s alternate; }
.btn-voice-record.is-recording .audio-wave-icon path:nth-child(5) { animation: wave-pulse 0.8s ease-in-out infinite 0.2s alternate; }
@keyframes wave-pulse {
  0% { transform: scaleY(0.4); transform-origin: center; }
  100% { transform: scaleY(1.3); transform-origin: center; }
}
.option-grid { display: grid; gap: .55rem; }
.option-card { position: relative; display: flex; align-items: flex-start; gap: .65rem; padding: .75rem .8rem; border: 1px solid var(--line-soft); border-radius: var(--radius-sm); cursor: pointer; color: var(--ink-soft); background: rgba(9, 16, 25, .7); font-size: .9rem; transition: border-color 180ms ease, background-color 180ms ease; }
.option-card:hover { border-color: rgba(125, 211, 252, .5); }
.option-card:has(input:checked) { border-color: var(--cyan); color: var(--ink); background: rgba(56, 189, 248, .1); }
.option-card input { width: 1rem; height: 1rem; margin: .15rem 0 0; accent-color: var(--cyan); }
.survey-help { margin: .7rem 0 0; color: var(--ink-muted); font-size: .82rem; }
.success-icon { display: grid; width: 3.4rem; height: 3.4rem; place-items: center; margin-bottom: 1rem; border-radius: 50%; color: var(--night); background: var(--green); font-size: 1.5rem; font-weight: 800; }
.flow-success h2 { margin: 0; font-size: 2rem; }
.flow-success p { color: var(--ink-soft); }
.success-next { display: grid; gap: .7rem; margin-top: 1.4rem; }
.vip-link.is-disabled { pointer-events: none; opacity: .55; }
.site-footer { padding-block: 2rem; border-top: 1px solid var(--line-soft); color: var(--ink-muted); font-size: .85rem; }
.site-footer p { margin: 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 3.5rem; }
  .hero-copy { max-width: 780px; }
  .flow-panel { max-width: 680px; }
  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  :root { --shell: min(100% - 28px, 580px); }
  .header-shell { min-height: 66px; }
  .site-nav { display: none; }
  .hero { padding-top: 3.5rem; }
  .hero h1 { font-size: clamp(2.65rem, 13vw, 4.2rem); }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-item { min-height: 96px; padding: .8rem; }
  .card-grid, .modules-grid { grid-template-columns: 1fr; }
  .method-card, .module-card { min-height: auto; }
  .section { padding-block: 4.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}