/* ==========================================================================
   AUGUSTO IGOR — DESIGN SYSTEM MASTER CSS (Apple Minimal + Tech Premium)
   Dominio: oaugustoigor.com.br
   ========================================================================== */

:root {
  /* Cores Base Escuras */
  --bg-primary: #080808;
  --bg-surface: #121212;
  --bg-surface-elevated: #18181b;
  --bg-surface-hover: #202024;
  --bg-card: #111113;
  --bg-card-border: #27272a;
  
  /* Cores de Contraste Claras (Seções Estratégicas) */
  --bg-light: #ffffff;
  --bg-light-soft: #f4f5f8;
  --bg-light-card: #ffffff;
  --bg-light-border: #e4e4e7;
  --text-light-ink: #09090b;
  --text-light-body: #3f3f46;
  --text-light-muted: #71717a;

  /* Textos Escuros */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-inverse: #080808;

  /* Acentos */
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-blue-light: #60a5fa;
  --accent-blue-pale: rgba(37, 99, 235, 0.12);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  /* Bordas e Divisores */
  --border-subtle: #1e1e24;
  --border-default: #27272a;
  --border-strong: #3f3f46;
  --border-accent: rgba(37, 99, 235, 0.4);

  /* Tipografia */
  --font-main: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --container-max: 1180px;
  --header-height: 72px;

  /* Transicoes */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 32px rgba(37, 99, 235, 0.25);
  --shadow-glow-strong: 0 0 48px rgba(37, 99, 235, 0.45);
}

/* Reset Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   TIPOGRAFIA & HIERARQUIA
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
}

.headline-hero {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}

.headline-section {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.headline-card {
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.subheadline-hero {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 2rem auto;
}

.subheadline-section {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 660px;
  margin-bottom: 2.5rem;
}

.text-gradient {
  background: linear-gradient(180deg, #ffffff 15%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-blue {
  color: var(--accent-blue-light);
}

/* ==========================================================================
   LAYOUT & CONTAINERS
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 860px;
}

.section {
  padding-top: clamp(4.5rem, 9vw, 7.5rem);
  padding-bottom: clamp(4.5rem, 9vw, 7.5rem);
  position: relative;
}

.section-tight {
  padding-top: clamp(3rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Seção Contraste Branco */
.section-light {
  background-color: var(--bg-light);
  color: var(--text-light-ink);
}

.section-light h1,
.section-light h2,
.section-light h3,
.section-light h4 {
  color: var(--text-light-ink);
}

.section-light .subheadline-section,
.section-light .text-secondary {
  color: var(--text-light-body);
}

/* ==========================================================================
   COMPONENTES DE NAVEGAÇÃO & HEADER
   ========================================================================== */

.topbar-ticker {
  background: #0f121d;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
  position: relative;
  z-index: 50;
}

.topbar-ticker a {
  color: var(--accent-blue-light);
  font-weight: 600;
  margin-left: 0.5rem;
}

.topbar-ticker a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-height);
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue);
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active {
  position: relative;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 2px;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  color: #ffffff;
  padding: 0.5rem;
  border-radius: 6px;
}

/* ==========================================================================
   BOTÕES & CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  padding: 0.8125rem 1.625rem;
  border-radius: 9999px;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-lg {
  font-size: 1.0625rem;
  padding: 1rem 2.25rem;
  font-weight: 700;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid var(--border-default);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-dark {
  background: #09090b;
  color: #ffffff;
  border: 1px solid #27272a;
}

.btn-dark:hover {
  background: #18181b;
  transform: translateY(-1px);
}

.btn-white {
  background: #ffffff;
  color: #080808;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
  background: #f4f4f5;
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   BADGES & PILLS
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.badge-blue {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-blue-light);
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.badge-dark {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   CARDS & GRIDS
   ========================================================================== */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.card-feature {
  background: linear-gradient(180deg, #141416 0%, #0d0d0f 100%);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  padding: 2rem;
}

.card-feature:hover {
  border-color: rgba(37, 99, 235, 0.4);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.25);
  color: var(--accent-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-light {
  background: #ffffff;
  border: 1px solid var(--bg-light-border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card-light:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   CHECKOUT & OFERTA BOX (APPLE STYLE PRICING TIER)
   ========================================================================== */

.offer-box {
  background: linear-gradient(180deg, #151518 0%, #0c0c0e 100%);
  border: 2px solid var(--accent-blue);
  border-radius: 24px;
  padding: clamp(2rem, 5vw, 3.5rem);
  box-shadow: var(--shadow-glow);
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}

.offer-tag-floating {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-blue);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.35rem 1.25rem;
  border-radius: 9999px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.price-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.5rem 0 0.5rem 0;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.price-amount {
  font-size: clamp(3rem, 7vw, 4.25rem);
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  letter-spacing: -0.04em;
}

.price-terms {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.offer-features-list {
  text-align: left;
  margin: 2rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.offer-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: #d4d4d8;
}

.check-icon {
  color: var(--accent-blue-light);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   ACCORDION FAQ (Nativo, limpo, acessível)
   ========================================================================== */

.faq-container {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  cursor: pointer;
  user-select: none;
}

.faq-chevron {
  transition: transform var(--transition-normal);
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-blue-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), opacity var(--transition-normal);
  opacity: 0;
}

.faq-item.active .faq-answer {
  max-height: 600px;
  opacity: 1;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 1rem;
}

/* ==========================================================================
   MOCKUPS & VISUAIS EM CSS/SVG
   ========================================================================== */

.mockup-window {
  background: #111114;
  border: 1px solid var(--border-default);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.mockup-header {
  background: #18181c;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3f3f46;
}

.mockup-dot.red { background: #ef4444; }
.mockup-dot.yellow { background: #f59e0b; }
.mockup-dot.green { background: #10b981; }

.mockup-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: 0.5rem;
}

.mockup-body {
  padding: 1.5rem;
}

/* Comparativo visual: Sem Método vs Com Método */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-default);
}

.comparison-table th,
.comparison-table td {
  padding: 1.15rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table th {
  background: #151518;
  font-size: 0.9375rem;
  font-weight: 700;
}

.comparison-col-good {
  background: rgba(37, 99, 235, 0.05);
  border-left: 1px solid rgba(37, 99, 235, 0.2);
}

/* ==========================================================================
   FORMULÁRIO DE CANDIDATURA (MENTORIA)
   ========================================================================== */

.application-form {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 20px;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #e4e4e7;
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: #09090b;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: #ffffff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

.form-consent {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 1.25rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-consent input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--accent-blue);
}

/* ==========================================================================
   MODAL DE AVISO / STATUS (CHECKOUT SEGURO)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: #141417;
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  max-width: 480px;
  width: 100%;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--text-muted);
  padding: 0.5rem;
  border-radius: 6px;
}

.modal-close-btn:hover {
  color: #ffffff;
}

/* ==========================================================================
   RODAPÉ
   ========================================================================== */

.site-footer {
  background: #040405;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2.5rem 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* ==========================================================================
   ANIMAÇÕES REVEAL (INTERSECTION OBSERVER)
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }

@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;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   RESPONSIVIDADE (360px, 390px, 768px, 1024px)
   ========================================================================== */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #0d0d0f;
    border-bottom: 1px solid var(--border-default);
    padding: 1.5rem;
    gap: 1.25rem;
  }
  .mobile-menu-btn {
    display: block;
  }
}

@media (max-width: 640px) {
  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
  .card, .card-feature, .card-light {
    padding: 1.5rem;
  }
  .offer-box {
    padding: 2rem 1.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}