/* =============================================
   CARDS INFINITOS - DARK TECH PREMIUM
   Design: Cyberpunk UI + Glassmorphism
   ============================================= */

:root {
  --bg-base: #0D0D0D;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --cyan: #00F5D4;
  --cyan-dim: rgba(0,245,212,0.15);
  --cyan-glow: rgba(0,245,212,0.3);
  --violet: #7B2FFF;
  --violet-dim: rgba(123,47,255,0.15);
  --accent: #FF3E6C;
  --text-primary: #F0F0F0;
  --text-secondary: #888;
  --text-muted: #555;
  --border: rgba(255,255,255,0.08);
  --border-cyan: rgba(0,245,212,0.25);
  --font-mono: 'Space Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── UTILITIES ─────────────────────────────── */
.container { width: 100%; max-width: 900px; margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }
.br-desktop { display: none; }

.text-gradient {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── ANIMATIONS ─────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px var(--cyan-glow); }
  50%       { box-shadow: 0 0 40px var(--cyan-glow), 0 0 80px rgba(0,245,212,0.15); }
}
@keyframes scanline {
  from { background-position: 0 0; }
  to   { background-position: 0 100%; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.animate-fade-up { animation: fadeUp 0.7s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }
.delay-5 { animation-delay: 0.65s; }

/* ── GLASS CARD ─────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.glass-card:hover {
  border-color: var(--border-cyan);
  background: var(--bg-card-hover);
}

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: 100px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn--cyan {
  background: var(--cyan);
  color: #0D0D0D;
  text-shadow: none;
}
.btn--cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--cyan-glow), 0 0 0 1px var(--cyan);
}

.btn--sm  { padding: 10px 22px; font-size: 0.85rem; }
.btn--lg  { padding: 18px 40px; font-size: 1.05rem; }
.btn--xl  { padding: 22px 48px; font-size: 1.15rem; letter-spacing: 0.01em; width: 100%; max-width: 480px; animation: pulseGlow 2.5s ease infinite; }

/* ── BRAND LOGO ──────────────────────────────── */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  transition: opacity var(--transition);
}
.brand-logo:hover { opacity: 0.8; }

.brand-logo__text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.brand-logo__accent {
  color: var(--cyan);
  font-size: 1.1em;
  margin: 0 1px;
  display: inline-block;
  transform: scaleX(1.3);
}

.brand-logo__img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Wordmark hero */
.hero__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.hero__logo-img {
  height: auto;
  width: clamp(280px, 60vw, 480px);
  max-width: 100%;
  display: block;
  object-fit: contain;
}


/* ── STICKY BAR ─────────────────────────────── */
.sticky-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(13,13,13,0.9);
  border-bottom: 1px solid var(--border-cyan);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.sticky-bar.visible { transform: translateY(0); }
.sticky-bar__text { font-size: 0.85rem; color: var(--text-secondary); }

/* ── SECTION BASE ───────────────────────────── */
.section { padding: 80px 0; position: relative; }
.section--dark { background: rgba(255,255,255,0.015); }
.section--cta { padding: 100px 0; overflow: hidden; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid var(--border-cyan);
  border-radius: 100px;
}
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}
.section-desc { color: var(--text-secondary); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-start;
  padding: 48px 0 48px;
  overflow: hidden;
  text-align: center;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,212,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
}

.hero__noise {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% -10%, rgba(0,245,212,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  padding: 8px 18px;
  border: 1px solid var(--border-cyan);
  border-radius: 100px;
  margin-bottom: 16px;
  background: var(--cyan-dim);
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulseGlow 1.5s ease infinite;
}

.hero__title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero__counter { color: var(--cyan); }

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 40px;
  font-weight: 300;
}

/* VSL */
.vsl-wrapper { margin: 0 auto 40px; max-width: 380px; }
.vsl-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-cyan);
  aspect-ratio: 9/16;
  background: #111;
  box-shadow: 0 0 40px rgba(0,245,212,0.1);
}
.vsl-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  cursor: pointer;
  background: radial-gradient(ellipse at center, rgba(0,245,212,0.05), transparent 70%);
}
.vsl-play-btn {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--cyan);
  color: #0D0D0D;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: float 3s ease infinite;
}
.vsl-play-btn:hover { transform: scale(1.1); box-shadow: 0 0 32px var(--cyan-glow); }
.vsl-label { font-size: 0.8rem; color: var(--text-secondary); font-family: var(--font-mono); }
.vsl-iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Hero CTA */
.hero__cta { margin-bottom: 48px; }
.hero__price-hint { margin-top: 14px; font-size: 0.9rem; color: var(--text-muted); }

/* Hero Stats */
.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
}
.stat-item { text-align: center; }
.stat-number { display: block; font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700; color: var(--cyan); }
.stat-label  { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ═══════════════════════════════════════════════
   MATH GRID
═══════════════════════════════════════════════ */
.math-grid { display: grid; gap: 20px; }

.math-card {
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}
.math-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.math-card:hover::after { opacity: 1; }
.math-card--highlight { border-color: rgba(123,47,255,0.4); }
.math-card--highlight::after { background: linear-gradient(90deg, transparent, var(--violet), transparent); }

.math-card__icon { margin-bottom: 16px; }
.math-card__label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.math-card__value { font-family: var(--font-mono); font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.math-card__value span { font-size: 1rem; color: var(--text-secondary); }
.math-card__desc { font-size: 0.9rem; color: var(--text-secondary); }

/* ═══════════════════════════════════════════════
   PROOF
═══════════════════════════════════════════════ */
.proof-container { max-width: 640px; margin: 0 auto; }
.proof-frame { padding: 24px; }
.proof-dots { display: flex; gap: 6px; margin-bottom: 20px; }
.proof-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.proof-dots span:first-child { background: #FF3E6C; }
.proof-dots span:nth-child(2) { background: #FFB800; }
.proof-dots span:nth-child(3) { background: #00F5D4; }

.proof-metric-row { display: flex; gap: 24px; justify-content: center; margin-bottom: 24px; }
.proof-metric { text-align: center; flex: 1; }
.proof-metric__num { display: block; font-family: var(--font-mono); font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 700; color: var(--cyan); }
.proof-metric__lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.proof-caption { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); text-align: center; padding: 16px; border-top: 1px solid var(--border); }

/* ═══════════════════════════════════════════════
   DELIVERABLES
═══════════════════════════════════════════════ */
.deliverables-grid { display: grid; gap: 20px; }

.deliverable-card { padding: 36px 28px; position: relative; overflow: hidden; }
.deliverable-card--glow { border-color: rgba(123,47,255,0.35); box-shadow: 0 0 40px rgba(123,47,255,0.08); }

.deliverable-card__num {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 16px; right: 24px;
  line-height: 1;
  user-select: none;
}
.deliverable-card__icon { margin-bottom: 20px; }
.deliverable-card__title { font-family: var(--font-mono); font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.deliverable-card__desc { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 20px; }
.deliverable-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  border: 1px solid var(--border-cyan);
  border-radius: 100px;
  padding: 4px 12px;
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════════
   CURRICULUM
═══════════════════════════════════════════════ */
.curriculum { display: grid; gap: 16px; }

.curriculum-module { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition); }
.curriculum-module:hover { border-color: var(--border-cyan); }
.curriculum-module--highlight { border-color: rgba(0,245,212,0.2); }

.curriculum-module__header {
  padding: 20px 24px;
  background: rgba(255,255,255,0.02);
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
}
.curriculum-module__header h3 { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 700; }

.module-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--border-cyan);
  border-radius: 100px;
  white-space: nowrap;
}

.curriculum-lessons { list-style: none; padding: 8px 0; }
.curriculum-lessons li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: color var(--transition), background var(--transition);
}
.curriculum-lessons li:last-child { border-bottom: none; }
.curriculum-lessons li:hover { color: var(--text-primary); background: rgba(255,255,255,0.02); }

.lesson-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border-radius: 4px;
  padding: 3px 8px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════ */
.faq-list { display: grid; gap: 12px; max-width: 700px; margin: 0 auto; }
.faq-item { overflow: hidden; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--cyan); }

.faq-icon { flex-shrink: 0; transition: transform var(--transition); color: var(--text-muted); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); color: var(--cyan); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.faq-answer.open { max-height: 200px; }
.faq-answer p { padding: 0 24px 22px; font-size: 0.95rem; color: var(--text-secondary); }

/* ═══════════════════════════════════════════════
   CTA FINAL
═══════════════════════════════════════════════ */
.cta-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,212,0.06), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}

.guarantee {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  margin-bottom: 56px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  border-color: var(--border-cyan);
}
.guarantee__icon { flex-shrink: 0; margin-top: 4px; }
.guarantee__title { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.guarantee__text { font-size: 0.95rem; color: var(--text-secondary); }

.price-box { text-align: center; }
.price-box__from { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; }
.price-box__main { display: flex; align-items: flex-start; justify-content: center; gap: 4px; margin-bottom: 8px; }
.price-box__currency { font-family: var(--font-mono); font-size: 1.8rem; color: var(--text-secondary); padding-top: 12px; }
.price-box__amount { font-family: var(--font-mono); font-size: clamp(5rem, 18vw, 8rem); font-weight: 700; color: var(--text-primary); line-height: 1; }
.price-box__cents { font-family: var(--font-mono); font-size: 1.8rem; color: var(--text-secondary); padding-top: 12px; }
.price-box__installments { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 36px; }
.price-box__installments strong { color: var(--text-primary); }

.price-box .btn--xl { margin: 0 auto; display: flex; }

.trust-row { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 24px; flex-wrap: wrap; }
.trust-badge { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: var(--text-muted); }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.footer { padding: 32px 0; border-top: 1px solid var(--border); text-align: center; }
.footer__text { font-size: 0.8rem; color: var(--text-muted); }

/* ═══════════════════════════════════════════════
   RESPONSIVE — TABLET
═══════════════════════════════════════════════ */
@media (min-width: 640px) {
  .math-grid { grid-template-columns: repeat(3, 1fr); }
  .deliverables-grid { grid-template-columns: repeat(3, 1fr); }
  .br-desktop { display: inline; }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — DESKTOP
═══════════════════════════════════════════════ */
@media (min-width: 1024px) {
  .section { padding: 100px 0; }
  .hero { padding: 120px 0 80px; }
  .vsl-wrapper { max-width: 320px; }
}

/* ═══════════════════════════════════════════════
   ACESSIBILIDADE
═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; border-radius: 4px; }