/* ==========================================================================
   Vai de Venda — Landing Page
   HTML / CSS / JS puro (sem dependências de framework)
   ========================================================================== */

:root {
  --radius: 0.5rem;

  --color-background: oklch(1 0 0);
  --color-ink: oklch(0.15 0 0);
  --color-brand: oklch(0.58 0.22 27);
  --color-brand-foreground: oklch(1 0 0);
  --color-secondary: oklch(0.97 0 0);
  --color-muted-foreground: oklch(0.45 0 0);
  --color-border: oklch(0.92 0 0);

  --font-display: "Anton", "Impact", sans-serif;
  --font-sans: "Inter", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  border-color: var(--color-border);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 0.95;
  font-weight: 400;
}

p {
  margin: 0;
}

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

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

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

svg {
  flex-shrink: 0;
}

.text-brand {
  color: var(--color-brand);
}

.text-white {
  color: #fff;
}

.text-center {
  text-align: center;
}

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 48rem;
}

.container-md {
  max-width: 56rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: transform 0.2s ease, filter 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-md {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-brand {
  background-color: var(--color-brand);
  color: var(--color-brand-foreground);
  box-shadow: 0 8px 24px -8px var(--color-brand);
}

.btn-brand:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-ink {
  background-color: var(--color-ink);
  color: #fff;
}

.btn-ink:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-ghost:hover {
  color: var(--color-brand);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--color-border);
  background-color: color-mix(in oklch, var(--color-background) 90%, transparent);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.main-nav {
  display: none;
  gap: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.main-nav a:hover {
  color: var(--color-brand);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  height: 1.75rem;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  text-transform: uppercase;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
}

.hero-glow {
  pointer-events: none;
  position: absolute;
  right: -10rem;
  top: -10rem;
  height: 24rem;
  width: 24rem;
  border-radius: 50%;
  background-color: color-mix(in oklch, var(--color-brand) 10%, transparent);
  filter: blur(64px);
}

.hero-inner {
  position: relative;
  display: grid;
  gap: 3rem;
  padding: 2rem 1.5rem;
}

.eyebrow {
  display: inline-block;
  border-radius: 9999px;
  border: 1px solid color-mix(in oklch, var(--color-brand) 30%, transparent);
  background-color: color-mix(in oklch, var(--color-brand) 5%, transparent);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-brand);
}

.hero-title {
  margin-top: 1.5rem;
  font-size: 2.75rem;
}

.hero-subtitle {
  margin-top: 1.5rem;
  max-width: 32rem;
  font-size: 1.125rem;
  color: var(--color-muted-foreground);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-stats {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-muted-foreground);
}

.dot {
  height: 0.25rem;
  width: 0.25rem;
  border-radius: 50%;
  background-color: var(--color-brand);
}

.hero-video-wrap {
  position: relative;
}

.hero-video-glow {
  position: absolute;
  inset: -0.75rem;
  border-radius: 1rem;
  background-color: color-mix(in oklch, var(--color-brand) 20%, transparent);
  filter: blur(24px);
}

.hero-video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 1rem;
  border: 2px solid var(--color-ink);
  background-color: var(--color-ink);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.hero-video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.hero-video-placeholder {
  display: flex;
  height: 100%;
  width: 100%;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

.play-btn {
  margin: 0 auto 0.75rem;
  display: flex;
  height: 4rem;
  width: 4rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-brand);
  color: #fff;
  font-size: 1.5rem;
}

.play-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.play-sublabel {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- Section shell ---------- */

.section {
  padding: 2rem 0;
}

.section-alt {
  border-top: 1px solid var(--color-border);
  background-color: color-mix(in oklch, var(--color-secondary) 40%, transparent);
}

.section-dark {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-ink);
  color: #fff;
}

.section-head {
  max-width: 42rem;
}

.section-title {
  margin-top: 1rem;
  font-size: 2.25rem;
}

.section-desc {
  margin-top: 1rem;
  color: var(--color-muted-foreground);
}

.kicker {
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.kicker-center {
  justify-content: center;
}

.kicker-num {
  display: flex;
  height: 2rem;
  width: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-brand);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-brand-foreground);
}

.kicker-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-brand);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

/* ---------- Proposta de valor ---------- */

.value-grid {
  margin-top: 3.5rem;
}

.value-card {
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  padding: 2rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.value-card:hover {
  border-color: var(--color-brand);
  box-shadow: 0 20px 40px -20px var(--color-brand);
}

.value-icon {
  margin-bottom: 1.5rem;
  display: flex;
  height: 10rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background-color: var(--color-secondary);
  color: var(--color-brand);
  font-family: var(--font-display);
  font-size: 3.75rem;
}

.value-card h3 {
  font-size: 1.5rem;
}

.value-card p {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

/* ---------- Recursos ---------- */

.feature-grid {
  margin-top: 3.5rem;
  gap: 2.5rem;
  text-align: center;
}

.feature-icon {
  margin: 0 auto 1.25rem;
  display: flex;
  height: 4rem;
  width: 4rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-ink);
  color: var(--color-brand);
}

.feature-icon svg {
  height: 1.75rem;
  width: 1.75rem;
}

.feature-card h3 {
  font-size: 1.25rem;
}

.feature-card p {
  margin: 0.5rem auto 0;
  max-width: 20rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

/* ---------- Frentes da mentoria ---------- */

.topic-list {
  margin-top: 3.5rem;
  display: grid;
  gap: 1.5rem;
}

.topic-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  padding: 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.topic-item:hover {
  border-color: var(--color-brand);
  box-shadow: 0 20px 40px -20px var(--color-brand);
}

.topic-icon {
  flex-shrink: 0;
  display: flex;
  height: 3rem;
  width: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  border: 1px solid color-mix(in oklch, var(--color-brand) 35%, transparent);
  color: var(--color-brand);
}

.topic-icon svg {
  height: 1.5rem;
  width: 1.5rem;
}

.topic-num {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-muted-foreground);
}

.topic-content h3 {
  font-size: 1.25rem;
}

.topic-content p {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

/* ---------- Prova social ---------- */

.testimonial-grid {
  margin-top: 3.5rem;
}

.testimonial-card {
  margin: 0;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
}

.quote-icon {
  height: 1.5rem;
  width: 1.5rem;
  color: var(--color-brand);
}

.testimonial-card blockquote {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.testimonial-card figcaption {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  height: 2.5rem;
  width: 2.5rem;
  border-radius: 50%;
  background-color: color-mix(in oklch, var(--color-brand) 30%, transparent);
}

.testimonial-name {
  font-size: 0.875rem;
  font-weight: 600;
}

.testimonial-role {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.logo-cloud {
  margin-top: 3.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem 3rem;
  opacity: 0.6;
}

.logo-cloud span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.15em;
}

/* ---------- Estudos de caso ---------- */

.case-list {
  margin-top: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.case-item {
  display: grid;
  gap: 2rem;
}

.case-image {
  overflow: hidden;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
}

.case-image img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.case-content h3 {
  font-size: 1.875rem;
}

.case-content > p {
  margin-top: 1rem;
  color: var(--color-muted-foreground);
}

.case-metric {
  margin-top: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  border-left: 4px solid var(--color-brand);
  padding-left: 1rem;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-brand);
}

.metric-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-muted-foreground);
}

.case-checklist {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.case-checklist li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-checklist svg {
  height: 1rem;
  width: 1rem;
  color: var(--color-brand);
}

/* ---------- Fundador ---------- */

.founder-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.founder-image {
  overflow: hidden;
  border-radius: 1rem;
  background-color: var(--color-brand);
}

.founder-image img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

/* ---------- FAQ ---------- */

.faq-list {
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
}

.faq-chevron {
  height: 1.25rem;
  width: 1.25rem;
  flex-shrink: 0;
  color: var(--color-brand);
  transition: transform 0.2s ease;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding-bottom: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* ---------- CTA final ---------- */

.cta-final {
  background-color: var(--color-brand);
  color: var(--color-brand-foreground);
}

.cta-title {
  color: var(--color-brand-foreground);
  font-size: 3rem;
}

.cta-title em {
  font-style: italic;
}

.cta-desc {
  margin: 1.5rem auto 0;
  max-width: 36rem;
  color: color-mix(in oklch, var(--color-brand-foreground) 90%, transparent);
}

.cta-actions {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

/* ---------- Formulário de aplicação ---------- */

.form-intro {
  margin-left: auto;
  margin-right: auto;
}

.lead-form {
  margin-top: 2.5rem;
  text-align: left;
}

.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-field label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted-foreground);
}

.form-field input,
.form-field select {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-brand) 25%, transparent);
}

.form-submit {
  margin-top: 1.75rem;
  width: 100%;
}

.form-success {
  margin-top: 1.25rem;
  text-align: center;
  font-weight: 600;
  color: var(--color-brand);
}

.cta-final .form-field label {
  color: color-mix(in oklch, var(--color-brand-foreground) 75%, transparent);
}

.cta-final .form-success {
  color: var(--color-brand-foreground);
}

@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-field-full {
    grid-column: 1 / -1;
  }
}

/* ---------- CTA fixo mobile ---------- */

.mobile-sticky-cta {
  display: none;
}

@keyframes pulse-cta {
  0%, 100% {
    box-shadow: 0 0 0 0 color-mix(in oklch, var(--color-brand) 55%, transparent), 0 12px 30px -8px var(--color-brand);
  }
  50% {
    box-shadow: 0 0 0 10px color-mix(in oklch, var(--color-brand) 0%, transparent), 0 12px 30px -8px var(--color-brand);
  }
}

@media (max-width: 767px) {
  body {
    padding-bottom: 5rem;
  }

  .mobile-sticky-cta {
    display: flex;
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 50;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 9999px;
    background-color: var(--color-brand);
    color: var(--color-brand-foreground);
    padding: 1rem 1.5rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: pulse-cta 2.2s ease-in-out infinite;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

/* ==========================================================================
   Responsive — breakpoint alinhado ao "md" (768px) do design original
   ========================================================================== */

@media (min-width: 768px) {
  .main-nav {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 7rem 1.5rem;
  }

  .hero-title {
    font-size: 3.75rem;
  }

  .section-title {
    font-size: 3rem;
  }

  .value-grid,
  .feature-grid,
  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .topic-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-item,
  .founder-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-item-reverse .case-image {
    order: 2;
  }

  .cta-title {
    font-size: 3.75rem;
  }

  .footer-inner {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.value-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius, 0.5rem);
}

.value-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none; 
}