/* ================================================
   AI GRAVITY — PREMIUM DESIGN SYSTEM
   Referência: iarevolution.com.br
   Paleta: Preto + Azul Elétrico
   ================================================ */

:root {
  --bg: #000000;
  --bg-alt: #060612;
  --bg-card: #0a0a1a;
  --bg-card-border: rgba(79, 70, 229, 0.15);
  --accent: #4f6bff;
  /* azul elétrico principal */
  --accent-bright: #6b83ff;
  /* azul mais claro para glow */
  --accent-glow: rgba(79, 107, 255, 0.25);
  --text: #ffffff;
  --text-muted: #8b8caa;
  --text-dim: #5a5b7a;
  --border: rgba(255, 255, 255, 0.06);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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


/* ---- UTILS ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.accent {
  color: var(--accent);
}


/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  opacity: 1;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 0 32px rgba(79, 107, 255, 0.35);
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(79, 107, 255, 0.55);
}

.btn-arrow {
  font-size: 1.2em;
  transition: transform 0.2s;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-large {
  font-size: 1.2rem;
  padding: 20px 48px;
}

.btn-nav {
  display: inline-block;
  background: transparent;
  border: 1px solid rgba(79, 107, 255, 0.5);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 24px;
  border-radius: 100px;
  transition: all 0.2s;
}

.btn-nav:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}


/* ---- NAVBAR ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 18px 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
}


/* ---- HERO ---- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -10%;
  left: 30%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle at center, rgba(79, 107, 255, 0.18) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.hero-layout {
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
}

.hero-content {
  flex: 1;
  position: relative;
  z-index: 2;
  text-align: left;
}

.hero-visual-col {
  flex: 0 0 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  background: rgba(79, 107, 255, 0.12);
  border: 1px solid rgba(79, 107, 255, 0.35);
  color: var(--accent-bright);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 4.5vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 0 36px;
  line-height: 1.7;
}

.hero-sub strong {
  color: #fff;
}

.hero-obs {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.hero-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 50px rgba(120, 80, 255, 0.3));
}

/* Hero Visual Image */
.hero-visual-placeholder {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: auto;
  aspect-ratio: 1;
  z-index: 1;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(79, 107, 255, 0.35));
  animation: float-img 5s ease-in-out infinite;
}

@keyframes float-img {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-14px);
  }
}


/* ---- MARQUEE ---- */
.marquee-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: rgba(79, 107, 255, 0.06);
  border-top: 1px solid rgba(79, 107, 255, 0.15);
  border-bottom: 1px solid rgba(79, 107, 255, 0.15);
  padding: 18px 0;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}

.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
  gap: 0;
}

.marquee-track span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0 24px;
  white-space: nowrap;
  color: var(--accent-bright);
}

.marquee-track .separator {
  color: rgba(79, 107, 255, 0.4);
  padding: 0;
  font-size: 0.7rem;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}


/* ---- SECTION BASE ---- */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 5px 14px;
  border-radius: 4px;
  background: rgba(79, 107, 255, 0.08);
  border: 1px solid rgba(79, 107, 255, 0.2);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 60px;
}


/* ---- WHO ---- */
.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.who-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color 0.3s, transform 0.3s;
}

.who-card:hover {
  border-color: rgba(79, 107, 255, 0.4);
  transform: translateY(-4px);
}

.who-icon {
  color: var(--accent);
  font-weight: 900;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.who-card p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}


/* ---- LEARN ---- */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.learn-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 20px;
  padding: 36px 30px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.learn-card:hover {
  border-color: rgba(79, 107, 255, 0.5);
  box-shadow: 0 0 40px rgba(79, 107, 255, 0.12);
  transform: translateY(-5px);
}

.learn-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(79, 107, 255, 0.2);
  margin-bottom: 16px;
  line-height: 1;
}

.learn-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.learn-card p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.93rem;
}


/* ---- CURRICULUM PLACEHOLDER ---- */
.curriculum-placeholder {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 2px dashed rgba(79, 107, 255, 0.3);
  border-radius: 20px;
  padding: 60px 40px;
  text-align: center;
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.placeholder-text {
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.placeholder-sub {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}


/* ---- MODULES GRID ---- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

/* ---- CURRICULUM CTA ---- */
.curriculum-cta {
  margin-top: 64px;
  padding: 56px 48px;
  background: linear-gradient(135deg, rgba(79, 107, 255, 0.08) 0%, rgba(10, 10, 26, 0.9) 100%);
  border: 1px solid rgba(79, 107, 255, 0.3);
  border-radius: 28px;
  text-align: center;
  box-shadow: 0 0 60px rgba(79, 107, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.curriculum-cta-sub {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.9;
}

.curriculum-cta-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 680px;
  margin: 0 auto;
}

.curriculum-cta-obs {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
  margin-top: -4px;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 20px;
  padding: 32px 28px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.module-card:hover {
  border-color: rgba(79, 107, 255, 0.5);
  box-shadow: 0 0 40px rgba(79, 107, 255, 0.10);
  transform: translateY(-4px);
}

.module-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(79, 107, 255, 0.25);
  line-height: 1;
  flex-shrink: 0;
  min-width: 48px;
}

.module-content {
  flex: 1;
}

.module-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  opacity: 0.85;
}

.module-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.module-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}


/* ---- COMPARE ---- */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.compare-card {
  border-radius: 20px;
  padding: 36px 32px;
  border: 1px solid var(--border);
}

.compare-card.good {
  background: linear-gradient(135deg, rgba(79, 107, 255, 0.08) 0%, var(--bg-card) 100%);
  border-color: rgba(79, 107, 255, 0.3);
}

.compare-card.bad {
  background: rgba(15, 15, 15, 0.5);
  border-color: rgba(255, 255, 255, 0.05);
}

.compare-header {
  margin-bottom: 28px;
}

.compare-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 8px 18px;
  border-radius: 100px;
}

.good-badge {
  background: rgba(79, 107, 255, 0.2);
  color: var(--accent-bright);
}

.bad-badge {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.check {
  color: var(--accent);
  font-weight: 900;
  flex-shrink: 0;
}

.cross {
  color: #555;
  font-weight: 900;
  flex-shrink: 0;
}


/* ---- OFFER ---- */
.offer-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 640px;
}

.offer-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 12px;
  padding: 18px 24px;
  font-size: 0.97rem;
  color: var(--text);
}

.offer-check {
  color: var(--accent);
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
}

.offer-placeholder {
  opacity: 0.4;
}

.offer-placeholder-text {
  color: var(--text-dim);
  font-style: italic;
}

.offer-bonus {
  color: #a78bfa;
}

.offer-item span strong {
  color: #a78bfa;
  font-weight: 600;
}


/* ---- PRICING ---- */
.section-price {
  position: relative;
  overflow: hidden;
}

.price-glow {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79, 107, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.price-card {
  position: relative;
  z-index: 2;
  max-width: 500px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(79, 107, 255, 0.3);
  border-radius: 28px;
  padding: 56px 48px;
  text-align: center;
  box-shadow: 0 0 60px rgba(79, 107, 255, 0.12);
}

.price-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.price-value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.price-big {
  font-size: 5rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: #fff;
}

.price-obs {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 36px;
}

.price-guarantee {
  margin-top: 16px;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ---- GARANTIA ---- */
.guarantee-container {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.guarantee-badge {
  width: 180px;
  height: auto;
  margin-bottom: 24px;
  filter: drop-shadow(0 0 30px rgba(255, 215, 0, 0.15));
}

.guarantee-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---- FAQ ---- */
.faq-container {
  max-width: 720px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 24px 0;
  text-align: left;
  gap: 16px;
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.3s;
  line-height: 1;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.75;
  padding-bottom: 24px;
}


/* ---- FINAL CTA ---- */
#final-cta {
  overflow: hidden;
}

.final-glow {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(79, 107, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.cta-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.6;
}


/* ---- FOOTER ---- */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo-img {
  height: 28px;
  width: auto;
  display: block;
  opacity: 0.9;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.82rem;
}


/* ---- SCROLL REVEAL (initial states) ---- */
.reveal,
.reveal-delay-1,
.reveal-delay-2,
.reveal-delay-3,
.reveal-delay-4 {
  opacity: 0;
  transform: translateY(28px);
}


/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero-visual-placeholder {
    display: none;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-sub {
    margin: 0 auto 36px;
  }

  .hero-image-wrap {
    order: -1;
  }

  .hero-image {
    max-width: 320px;
  }

  .section {
    padding: 64px 0;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .price-card {
    padding: 40px 28px;
  }

  .price-big {
    font-size: 4rem;
  }

  .learn-grid {
    grid-template-columns: 1fr;
  }
}