/* ==========================================================================
   IA NA PRÁTICA — Landing Page
   ========================================================================== */

:root {
  --navy-dark: #05060f;
  --navy: #0a0e1f;
  --navy-light: #131a34;
  --navy-card: #121729;
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --purple-glow: rgba(124, 58, 237, 0.35);
  --yellow: #f5c518;
  --yellow-light: #ffe27a;
  --white: #ffffff;
  --gray: #a4acc9;
  --gray-dim: #6b7391;
  --border: rgba(255, 255, 255, 0.08);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --container: 1180px;
  --ff-heading: "Sora", sans-serif;
  --ff-body: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  background: var(--navy-dark);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { font-family: var(--ff-heading); line-height: 1.2; font-weight: 800; }

h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 14px; }
h3 { font-size: 19px; margin-bottom: 8px; }

p { color: var(--gray); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 100px;
  cursor: pointer;
  border: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--yellow), var(--yellow-light));
  color: #16130a;
  box-shadow: 0 10px 30px rgba(245, 197, 24, 0.35);
}
.btn--primary:hover { transform: translateY(-3px) scale(1.02); filter: brightness(1.05); }
.btn--large { padding: 19px 44px; font-size: 18px; }
.btn--small { padding: 11px 22px; font-size: 14px; }

.pulse { animation: pulse 2.4s infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(245, 197, 24, 0.35); }
  50% { box-shadow: 0 10px 40px rgba(245, 197, 24, 0.65); }
}

/* ---------- Eyebrow / section head ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--ff-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--yellow);
  background: rgba(245, 197, 24, 0.1);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head p { font-size: 17px; }

.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

section { padding: 100px 0; position: relative; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5, 6, 15, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo { font-family: var(--ff-heading); font-weight: 800; font-size: 20px; color: var(--white); }
.logo span { color: var(--yellow); }
.nav { display: flex; gap: 32px; }
.nav a { font-size: 15px; font-weight: 500; color: var(--gray); transition: color 0.2s; }
.nav a:hover { color: var(--yellow); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  padding-top: 170px;
  padding-bottom: 100px;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, var(--purple-glow), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 20%, rgba(245, 197, 24, 0.12), transparent 60%),
    var(--navy);
  overflow: hidden;
}
.hero__bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  z-index: 0;
  animation: floatBlob 12s ease-in-out infinite;
}
.hero__bg-glow--1 { width: 420px; height: 420px; background: var(--purple); top: -100px; left: -120px; }
.hero__bg-glow--2 { width: 360px; height: 360px; background: var(--yellow); bottom: -140px; right: -80px; animation-delay: 3s; }
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--yellow), #ff8a00);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 10px 24px;
  border-radius: 100px;
  font-family: var(--ff-heading);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #1a1200;
  margin-bottom: 24px;
  text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(245, 197, 24, 0.45), 0 0 0 4px rgba(245, 197, 24, 0.1);
  animation: tagPulse 2.2s ease-in-out infinite;
}
@keyframes tagPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 8px 24px rgba(245, 197, 24, 0.45), 0 0 0 4px rgba(245, 197, 24, 0.1); }
  50% { transform: scale(1.045); box-shadow: 0 10px 32px rgba(245, 197, 24, 0.65), 0 0 0 8px rgba(245, 197, 24, 0.16); }
}

.hero__title {
  font-size: clamp(34px, 5vw, 58px);
  margin-bottom: 20px;
  background: linear-gradient(120deg, #ffffff 40%, var(--yellow-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle { font-size: 19px; color: var(--gray); max-width: 560px; margin-bottom: 34px; }

.hero__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}
.hero__price-old { font-size: 20px; color: var(--gray-dim); text-decoration: line-through; }
.hero__price-new { font-family: var(--ff-heading); font-size: 40px; font-weight: 800; color: var(--yellow); }
.hero__price-save {
  align-self: center;
  font-size: 13px;
  font-weight: 700;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.12);
  padding: 5px 14px;
  border-radius: 100px;
}

.hero__cta-block { margin-bottom: 30px; }
.hero__micro { margin-top: 12px; font-size: 14px; color: var(--gray-dim); }

.countdown {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
  max-width: fit-content;
}
.countdown__label { font-size: 14px; font-weight: 600; color: var(--gray); }
.countdown__timer { display: flex; gap: 8px; }
.countdown__box {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  min-width: 46px;
  text-align: center;
  font-family: var(--ff-heading);
}
.countdown__box span { font-size: 20px; font-weight: 800; color: var(--yellow); display: block; }
.countdown__box small { font-size: 10px; color: var(--gray-dim); }

.badges { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 100px;
  color: var(--gray);
}

.hero__visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero__card-glow {
  position: absolute;
  width: 90%;
  height: 90%;
  background: radial-gradient(circle, var(--purple-glow), transparent 70%);
  filter: blur(40px);
  z-index: 0;
}
.hero__cover {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transition: transform 0.4s ease;
  max-width: 380px;
  width: 100%;
}
.hero__cover:hover { transform: perspective(1000px) rotateY(-2deg) rotateX(1deg) scale(1.02); }

/* ==========================================================================
   PAIN
   ========================================================================== */
.pain { background: var(--navy-dark); }
.pain-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.pain-card:hover { transform: translateY(-6px); border-color: rgba(245, 197, 24, 0.3); }
.pain-card__icon { font-size: 32px; margin-bottom: 14px; }
.pain-card p { font-size: 15px; }

.pain-closing {
  text-align: center;
  max-width: 700px;
  margin: 56px auto 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--white);
}

/* ==========================================================================
   SOLUTION
   ========================================================================== */
.solution {
  background: linear-gradient(180deg, var(--navy-dark), var(--navy-light) 50%, var(--navy-dark));
}
.solution__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.solution__text p { font-size: 17px; margin-bottom: 26px; }
.solution__text strong { color: var(--yellow); }

.check-list { margin-bottom: 34px; }
.check-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
  font-size: 16px;
  color: var(--white);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--yellow);
  color: #16130a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}

.solution__visual {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  margin: 0 auto;
}
.orbit-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), #4c1d95);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-heading);
  font-weight: 800;
  font-size: 26px;
  box-shadow: 0 0 60px var(--purple-glow);
}
.orbit-icon {
  position: absolute;
  top: 50%; left: 50%;
  width: 58px; height: 58px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  transform-origin: 0 0;
  animation: orbitSpin 18s linear infinite;
  animation-delay: calc(var(--i) * -3s);
}
@keyframes orbitSpin {
  from { transform: translate(-50%, -50%) rotate(0deg) translateX(160px) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg) translateX(160px) rotate(-360deg); }
}

/* ==========================================================================
   MODULES
   ========================================================================== */
.modules { background: var(--navy-dark); }
.modules-grid { grid-template-columns: repeat(5, 1fr); }
.module-card {
  position: relative;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.module-card:hover { transform: translateY(-6px); border-color: var(--purple-light); }
.module-card__num {
  position: absolute;
  top: 14px; right: 18px;
  font-family: var(--ff-heading);
  font-weight: 800;
  font-size: 26px;
  color: rgba(255, 255, 255, 0.06);
}
.module-card__icon { font-size: 28px; margin-bottom: 12px; }
.module-card p { font-size: 14px; }

/* ==========================================================================
   TRANSFORMATION
   ========================================================================== */
.transformation { background: var(--navy-light); }
.transform-table {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}
.transform-col {
  background: var(--navy-card);
  border-radius: var(--radius);
  padding: 34px 30px;
  border: 1px solid var(--border);
}
.transform-col--before { border-color: rgba(239, 68, 68, 0.3); }
.transform-col--after { border-color: rgba(34, 197, 94, 0.35); }
.transform-col h3 { text-align: center; margin-bottom: 20px; letter-spacing: 1px; }
.transform-col--before h3 { color: #f87171; }
.transform-col--after h3 { color: #4ade80; }
.x-list li, .ok-list li { position: relative; padding-left: 28px; margin-bottom: 12px; font-size: 15px; }
.x-list li::before { content: "✕"; position: absolute; left: 0; color: #f87171; font-weight: 800; }
.ok-list li::before { content: "✓"; position: absolute; left: 0; color: #4ade80; font-weight: 800; }
.transform-arrow { font-size: 30px; color: var(--yellow); font-weight: 800; }

/* ==========================================================================
   BONUSES
   ========================================================================== */
.bonuses { background: var(--navy-dark); }
.bonus-card {
  background: linear-gradient(160deg, var(--navy-card), var(--navy-light));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: transform 0.3s ease;
}
.bonus-card:hover { transform: translateY(-6px); }
.bonus-card__icon {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  background: rgba(245, 197, 24, 0.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
}
.bonus-card p { font-size: 14px; margin-bottom: 16px; }
.bonus-card__value {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  width: 100%;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials { background: var(--navy-light); }
.testimonial-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.stars { color: var(--yellow); font-size: 16px; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-card p { font-size: 14.5px; color: var(--white); margin-bottom: 18px; font-style: italic; }
.testimonial-card__author { font-size: 14px; font-weight: 700; color: var(--yellow); }
.testimonial-card__author span { display: block; font-size: 12.5px; font-weight: 400; color: var(--gray-dim); margin-top: 2px; }

/* ==========================================================================
   OFFER
   ========================================================================== */
.offer {
  background: radial-gradient(ellipse 70% 60% at 50% 0%, var(--purple-glow), transparent 60%), var(--navy);
}
.offer__inner { text-align: center; }
.offer__card {
  max-width: 520px;
  margin: 40px auto 0;
  background: var(--navy-card);
  border: 1px solid rgba(245, 197, 24, 0.3);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}
.offer__prices { display: flex; flex-direction: column; align-items: center; gap: 6px; margin-bottom: 6px; }
.offer__old { font-size: 20px; color: var(--gray-dim); text-decoration: line-through; }
.offer__new { font-family: var(--ff-heading); font-size: 52px; font-weight: 800; color: var(--yellow); }
.offer__save {
  display: inline-block;
  background: rgba(74, 222, 128, 0.12);
  color: #4ade80;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  margin-top: 4px;
}
.offer__installment { font-size: 14px; color: var(--gray-dim); margin-bottom: 26px; }
.offer__includes { text-align: left; margin: 0 auto 30px; max-width: 320px; }
.offer__includes li { font-size: 15px; margin-bottom: 10px; color: var(--white); }
.offer__secure { margin-top: 16px; font-size: 13px; color: var(--gray-dim); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { background: var(--navy-light); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--yellow);
  margin-left: 12px;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 14px; font-size: 14.5px; }

/* ==========================================================================
   FINAL CTA
   ========================================================================== */
.final-cta {
  background: linear-gradient(135deg, #1a0f3d, var(--navy-dark));
  text-align: center;
}
.final-cta__inner { max-width: 700px; margin: 0 auto; }
.final-cta h2 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 16px; }
.final-cta p { font-size: 18px; margin-bottom: 34px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--navy-dark); border-top: 1px solid var(--border); padding: 56px 0 100px; }
.footer__inner { text-align: center; }
.footer__disclaimer { max-width: 720px; margin: 20px auto; font-size: 12.5px; color: var(--gray-dim); line-height: 1.7; }
.footer__links { display: flex; justify-content: center; gap: 24px; margin-bottom: 18px; flex-wrap: wrap; }
.footer__links a { font-size: 13px; color: var(--gray); }
.footer__links a:hover { color: var(--yellow); }
.footer__copy { font-size: 12px; color: var(--gray-dim); }

/* ==========================================================================
   STICKY MOBILE CTA
   ========================================================================== */
.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(10, 14, 31, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  padding: 14px 20px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta__price { font-size: 13px; color: var(--gray); }
.sticky-cta__price span { display: block; font-family: var(--ff-heading); font-size: 20px; font-weight: 800; color: var(--yellow); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__cta-block, .countdown, .badges, .hero__price { margin-left: auto; margin-right: auto; justify-content: center; }
  .hero__visual { margin-top: 40px; }
  .solution__inner { grid-template-columns: 1fr; text-align: center; }
  .check-list li { text-align: left; }
  .solution__visual { margin-top: 40px; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  section { padding: 70px 0; }
  .grid--5, .grid--4, .grid--3 { grid-template-columns: 1fr 1fr; }
  .transform-table { grid-template-columns: 1fr; }
  .transform-arrow { transform: rotate(90deg); text-align: center; }
  .sticky-cta { display: flex; }
  .header .cta-button.btn--small { display: none; }
}

@media (max-width: 480px) {
  .grid--5, .grid--4, .grid--3 { grid-template-columns: 1fr; }
  .offer__card { padding: 36px 24px; }
  .offer__new { font-size: 42px; }
}