:root {
  --yellow: #ffd429;
  --yellow-2: #ffb800;
  --orange: #ff8d00;
  --orange-dark: #f36d00;
  --blue: #0754a6;
  --blue-dark: #0c1d56;
  --purple: #7457c8;
  --pink: #ff5d95;
  --green: #49b66e;
  --paper: #fff9e8;
  --white: #ffffff;
  --ink: #152049;
  --muted: #64708f;
  --shadow: 0 24px 70px rgba(12, 29, 86, .18);
  --shadow-soft: 0 16px 42px rgba(12, 29, 86, .12);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body {
  margin: 0;
  font-family: "Arial Rounded MT Bold", "Trebuchet MS", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 255, 255, .55), transparent 24%),
    radial-gradient(circle at 90% 20%, rgba(255, 93, 149, .12), transparent 24%),
    linear-gradient(180deg, #fff5c7 0%, #fffaf0 45%, #fff6d8 100%);
}

body::after {
  content: "✏️  📚  ⭐  💡  🎲  🏆  ✨  🧠  📖  🚀";
  position: fixed;
  inset: auto auto 0 0;
  width: 200%;
  height: 100%;
  z-index: -1;
  font-size: 48px;
  line-height: 2.2;
  letter-spacing: 32px;
  opacity: .035;
  transform: rotate(-10deg) translateX(-10%);
  pointer-events: none;
}

img { display: block; max-width: 100%; }
section[id],
header[id],
footer[id] { scroll-margin-top: 120px; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.section-padding { padding: 96px 0; }

/* ===========================
   HEADER & BRAND
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(20px, 5vw, 70px);
  background: rgba(255, 212, 41, .92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, .5);
  box-shadow: 0 10px 30px rgba(12, 29, 86, .08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: max-content;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--blue);
  font-weight: 1000;
  font-size: clamp(28px, 3.5vw, 46px);
  line-height: 1;
  filter: drop-shadow(0 3px 0 rgba(255,255,255,.5));
}

.brand-letter {
  letter-spacing: -1px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.brand-q {
  width: 0.68em;
  height: 0.68em;
  object-fit: contain;
  margin-top: 0.06em;
  margin-inline: 0.01em;
  filter: drop-shadow(0 2px 0 rgba(255,255,255,.35));
  flex-shrink: 0;
}

.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 15px; }
.brand-copy small { color: rgba(21, 32, 73, .72); font-size: 11px; margin-top: 3px; }

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px;
  background: rgba(255, 255, 255, .42);
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 999px;
}

.main-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(21, 32, 73, .78);
  font-size: 14px;
  transition: .25s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: var(--white);
  color: var(--blue);
  outline: none;
  box-shadow: 0 8px 22px rgba(12, 29, 86, .12);
}

/* Header right group */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 900;
  border: 0;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
  text-align: center;
}

.header-cta {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 12px 30px rgba(7, 84, 166, .25);
}

.btn:hover,
.header-cta:hover,
.btn:focus-visible,
.header-cta:focus-visible {
  transform: translateY(-3px);
  outline: none;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 18px 40px rgba(7, 84, 166, .28);
}

.btn-secondary {
  color: var(--blue-dark);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(7, 84, 166, .16);
  box-shadow: 0 16px 36px rgba(12, 29, 86, .09);
}

.btn-dark { color: var(--white); background: var(--blue-dark); }
.btn-light { color: var(--blue-dark); background: var(--white); }

/* ===========================
   HAMBURGER BUTTON
   =========================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255,255,255,.55);
  border-radius: 14px;
  cursor: pointer;
  padding: 0;
  transition: background .2s ease;
  flex-shrink: 0;
}

.hamburger:hover { background: rgba(255,255,255,.8); }

.hamburger span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--blue-dark);
  border-radius: 999px;
  transition: transform .3s ease, opacity .3s ease;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===========================
   MOBILE MENU DRAWER
   =========================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.mobile-menu.is-open {
  pointer-events: all;
}

.mobile-menu-overlay {
  position: absolute;
  inset: 0;
  background: rgba(12, 29, 86, .55);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .35s ease;
}

.mobile-menu.is-open .mobile-menu-overlay {
  opacity: 1;
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 88vw);
  background: linear-gradient(160deg, #fff9e8, #fffdf5);
  border-left: 1px solid rgba(255,255,255,.6);
  box-shadow: -24px 0 80px rgba(12,29,86,.22);
  display: flex;
  flex-direction: column;
  padding: 0 0 32px;
  transform: translateX(100%);
  transition: transform .38s cubic-bezier(.2,.8,.2,1);
  overflow-y: auto;
}

.mobile-menu.is-open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid rgba(12,29,86,.07);
  background: rgba(255,212,41,.18);
}

.mobile-menu-brand {
  font-size: 32px;
  color: var(--blue);
  filter: none;
}

.menu-close {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(12,29,86,.08);
  border-radius: 12px;
  font-size: 22px;
  color: var(--ink);
  cursor: pointer;
  transition: background .2s ease;
}

.menu-close:hover { background: rgba(12,29,86,.14); }

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
  border-bottom: 1px solid rgba(12,29,86,.06);
  transition: background .2s ease, color .2s ease;
}

.mobile-nav-link:hover {
  background: rgba(255,212,41,.18);
  color: var(--blue);
}

.mobile-menu-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 24px 24px 0;
  padding: 16px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: var(--white);
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 16px 36px rgba(7,84,166,.28);
  transition: transform .22s ease, box-shadow .22s ease;
}

.mobile-menu-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 44px rgba(7,84,166,.32);
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 760px;
  padding: 78px 0 86px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.55), transparent 20%),
    radial-gradient(circle at 75% 30%, rgba(255,93,149,.18), transparent 22%),
    linear-gradient(135deg, #ffd429 0%, #ffc100 48%, #fff1a2 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    radial-gradient(rgba(12, 29, 86, .12) 1.4px, transparent 1.4px),
    radial-gradient(rgba(255, 255, 255, .4) 1.4px, transparent 1.4px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
  opacity: .35;
}

.hero-bg span {
  position: absolute;
  font-size: clamp(34px, 5vw, 76px);
  opacity: .16;
  animation: floatY 7s ease-in-out infinite;
}
.hero-bg span:nth-child(1) { left: 6%; top: 22%; animation-delay: -1s; }
.hero-bg span:nth-child(2) { left: 36%; top: 14%; animation-delay: -2s; }
.hero-bg span:nth-child(3) { right: 10%; top: 20%; animation-delay: -.5s; }
.hero-bg span:nth-child(4) { left: 12%; bottom: 16%; animation-delay: -3s; }
.hero-bg span:nth-child(5) { right: 36%; bottom: 14%; animation-delay: -4s; }
.hero-bg span:nth-child(6) { right: 8%; bottom: 20%; animation-delay: -2.5s; }

.hero-grid {
  display: grid;
  grid-template-columns: .96fr 1.04fr;
  gap: clamp(34px, 5vw, 72px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-bottom: 18px;
  padding: 9px 14px;
  color: var(--blue);
  background: rgba(255, 255, 255, .7);
  border: 1px solid rgba(255, 255, 255, .76);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.eyebrow::before { content: "✨"; }

.hero h1,
.section-heading h2,
.cta-band h2 { margin: 0; line-height: .98; letter-spacing: -0.055em; }
.hero h1 { max-width: 640px; font-size: clamp(46px, 6.4vw, 82px); }
.hero h1 .hero-line { display: block; }
.hero h1 .hero-line-highlight { color: var(--blue); text-shadow: 0 5px 0 rgba(255, 255, 255, .65); }
.lead {
  max-width: 600px;
  margin: 22px 0 0;
  color: rgba(21, 32, 73, .82);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-actions .btn { box-shadow: 0 18px 42px rgba(12, 29, 86, .16); }

/* ===========================
   BENEFIT CHIPS
   =========================== */
.hero-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin-top: 30px;
}

.benefit-chip {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 126px;
  padding: 16px 15px 15px;
  border-radius: 20px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 10px 28px rgba(12, 29, 86, .09);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}

.benefit-chip:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(12, 29, 86, .14);
}

.benefit-chip::before {
  content: "";
  position: absolute;
  inset: -120% auto auto -40%;
  width: 55%;
  height: 260%;
  transform: rotate(20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  opacity: 0;
  transition: opacity .35s ease, transform .6s ease;
  pointer-events: none;
}

.benefit-chip:hover::before {
  opacity: 1;
  transform: rotate(20deg) translateX(240%);
}

.benefit-icon {
  display: grid;
  place-items: center;
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, #fff6bf, #ffffff);
  box-shadow: 0 8px 18px rgba(255, 184, 0, .18);
  font-size: 24px;
}

.benefit-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.benefit-chip strong {
  display: block;
  color: var(--blue);
  font-size: 15px;
  line-height: 1.1;
}

.benefit-chip small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.benefit-chip:nth-child(1)::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; border-radius: 4px 0 0 4px; background: var(--blue); }
.benefit-chip:nth-child(2)::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; border-radius: 4px 0 0 4px; background: var(--pink); }
.benefit-chip:nth-child(3)::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; border-radius: 4px 0 0 4px; background: var(--green); }

/* ===========================
   HERO STAGE (desktop)
   =========================== */
.hero-stage {
  position: relative;
  min-height: 610px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 0;
}

.hero-showcase {
  position: relative;
  width: min(100%, 640px);
  min-height: 570px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.showcase-glow {
  position: absolute;
  inset: 38px 12px 26px;
  z-index: -2;
  border-radius: 44px;
  background:
    radial-gradient(circle at 28% 18%, rgba(255,255,255,.95), transparent 25%),
    radial-gradient(circle at 80% 72%, rgba(255,93,149,.32), transparent 27%),
    linear-gradient(135deg, rgba(7,84,166,.22), rgba(116,87,200,.24));
  filter: blur(2px);
  box-shadow: 0 34px 95px rgba(12,29,86,.18);
}

.showcase-glow::after {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: 36px;
  border: 2px dashed rgba(255,255,255,.5);
}

.showcase-card {
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,.95), rgba(255,255,255,.74));
  border: 1px solid rgba(255,255,255,.86);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.showcase-desktop {
  width: 88%;
  padding: 14px;
  border-radius: 32px;
  transform: rotate(1.5deg) translateX(-14px);
}

.showcase-screen {
  overflow: hidden;
  border-radius: 22px;
  background: #eef1ff;
  aspect-ratio: 4 / 3;
  box-shadow: inset 0 0 0 1px rgba(12,29,86,.08);
}

.showcase-screen img,
.hero-phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.showcase-phone {
  position: absolute;
  right: 10px;
  bottom: 84px;
  width: 162px;
  padding: 12px 10px 10px;
  border-radius: 34px;
  background: linear-gradient(180deg, #1f2856, #0d1331);
  transform: rotate(-4deg);
  z-index: 4;
  box-shadow: 0 26px 58px rgba(12,29,86,.28);
}

.hero-phone-screen {
  border-radius: 22px;
  aspect-ratio: 10 / 19.8;
  border: 1px solid rgba(255,255,255,.16);
  overflow: hidden;
}

.floating-card {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 245px;
  padding: 14px 16px;
  border-radius: 22px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(255,255,255,.86);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  animation: floatY 6.5s ease-in-out infinite;
}

.floating-card span {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 15px;
  background: linear-gradient(135deg, #fff3af, #ffffff);
  font-size: 23px;
}

.floating-card strong { display: block; color: var(--blue); font-size: 15px; line-height: 1.1; }
.floating-card small { display: block; color: var(--muted); font-size: 12px; line-height: 1.35; margin-top: 2px; }
.floating-progress { left: 0; top: 74px; transform: rotate(-4deg); }
.floating-points { right: 18px; top: 30px; transform: rotate(5deg); animation-delay: -2.2s; }

.reading-path {
  position: absolute;
  left: 34px;
  right: 86px;
  bottom: 20px;
  z-index: 6;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border-radius: 999px;
  background: rgba(12,29,86,.86);
  color: var(--white);
  box-shadow: 0 18px 44px rgba(12,29,86,.22);
}

.reading-path span {
  display: grid;
  place-items: center;
  min-height: 34px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  font-size: 12px;
  font-weight: 1000;
}

.reading-path span:nth-child(1) { background: rgba(255,212,41,.92); color: var(--blue-dark); }

/* HERO MOBILE VISUAL — oculto no desktop */
.hero-mobile-visual { display: none; }

/* ===========================
   DEVICE MOCKUP (hero antigo)
   =========================== */
.device-top { display: flex; gap: 8px; padding: 6px 6px 14px; }
.device-top span { width: 12px; height: 12px; border-radius: 50%; background: var(--yellow-2); }
.device-top span:nth-child(2) { background: var(--pink); }
.device-top span:nth-child(3) { background: var(--green); }

/* ===========================
   SECTION HEADING
   =========================== */
.section-heading { max-width: 770px; margin: 0 auto 48px; text-align: center; }
.section-heading.align-left { margin-inline: 0; text-align: left; }
.section-heading h2,
.cta-band h2 { font-size: clamp(38px, 5vw, 64px); }
.section-heading p,
.cta-band p { margin: 20px 0 0; color: var(--muted); font-size: 18px; line-height: 1.65; }

/* ===========================
   AUDIENCE
   =========================== */
.audience-grid,
.books-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.audience-card,
.value-card,
.book-card,
.faq-list details,
.timeline-item,
.desktop-feature {
  position: relative;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(255, 255, 255, .84);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.audience-card,
.value-card,
.book-card,
.faq-list details { padding: 28px; }

.audience-card::before,
.value-card::before,
.book-card::before,
.desktop-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 212, 41, .45), transparent 38%);
  pointer-events: none;
}

.audience-card::after,
.value-card::after,
.book-card::after,
.desktop-feature::after,
.timeline-item::after {
  content: "";
  position: absolute;
  inset: -120% auto auto -40%;
  width: 55%;
  height: 260%;
  transform: rotate(20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  opacity: 0;
  transition: opacity .35s ease, transform .6s ease;
  pointer-events: none;
}

.audience-card:hover::after,
.value-card:hover::after,
.book-card:hover::after,
.desktop-feature:hover::after,
.timeline-item:hover::after {
  opacity: 1;
  transform: rotate(20deg) translateX(240%);
}

.icon-bubble,
.value-card span {
  position: relative;
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--yellow), #fff5b8);
  box-shadow: 0 12px 28px rgba(255, 184, 0, .22);
  font-size: 28px;
}

.audience-card h3,
.value-card h3,
.book-card h3,
.desktop-feature h3 { position: relative; margin: 20px 0 10px; font-size: 24px; line-height: 1.08; }
.audience-card p,
.value-card p,
.book-card p,
.desktop-feature p { position: relative; margin: 0; color: var(--muted); line-height: 1.6; }

/* ===========================
   JOURNEY / TIMELINE
   =========================== */
.journey { background: linear-gradient(135deg, rgba(7,84,166,.08), rgba(116,87,200,.11)); }
.journey-grid,
.pedagogy-grid,
.game-grid,
.cta-grid,
.faq-grid {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: 48px;
  align-items: center;
}

.timeline { position: relative; display: grid; gap: 18px; }
.timeline::before {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 27px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(var(--blue), var(--orange));
  opacity: .18;
}
.timeline-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.timeline-item:hover { transform: translateY(-6px); box-shadow: 0 20px 45px rgba(12,29,86,.12); }
.timeline-item > span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 6px solid var(--white);
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(7, 84, 166, .25);
  font-size: 24px;
  font-weight: 1000;
}
.timeline-item h3 { margin-top: 4px; margin-bottom: 8px; font-size: 20px; }
.timeline-item p { margin: 0; color: var(--muted); line-height: 1.6; }

/* ===========================
   SYSTEM — SLIDESHOW
   =========================== */
.system { position: relative; }

.slideshow-wrapper {
  position: relative;
  background:
    radial-gradient(circle at 18% 16%, rgba(255,212,41,.22), transparent 25%),
    radial-gradient(circle at 88% 78%, rgba(7,84,166,.1), transparent 26%),
    rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.slideshow-tabs {
  display: flex;
  gap: 0;
  background: linear-gradient(135deg, #f0f4ff, #fff8e0);
  border-bottom: 2px solid rgba(12,29,86,.07);
  padding: 0 24px;
  overflow-x: auto;
}

.tab-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 18px 24px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  color: var(--muted);
  font-family: inherit;
  font-size: 15px;
  font-weight: 1000;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--blue); }

.tab-btn.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.slideshow-panel {
  display: none;
  padding: 34px clamp(20px, 4vw, 38px) 26px;
}

.slideshow-panel.active { display: block; }

.slideshow-track { position: relative; }

.slide {
  display: none;
  grid-template-columns: minmax(0, 1.16fr) minmax(280px, .84fr);
  gap: 36px;
  align-items: center;
}

.slide.active { display: grid; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
.slide.anim-in  { animation: slideIn .4s cubic-bezier(.2,.8,.2,1) forwards; }
.slide.anim-out { animation: slideInLeft .4s cubic-bezier(.2,.8,.2,1) forwards; }

.slide-device { width: 100%; }

.desktop-device .device-shell {
  background: linear-gradient(180deg, #1f2856, #0d1331);
  border-radius: 22px;
  padding: 14px;
  box-shadow: 0 24px 56px rgba(12, 29, 86, .22);
}
.desktop-device .shell-top { display: flex; gap: 6px; padding-bottom: 10px; }
.desktop-device .shell-top span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); }
.desktop-device .shell-screen {
  overflow: hidden;
  border-radius: 14px;
  background: #eef1ff;
  border: 1px solid rgba(255,255,255,.12);
  aspect-ratio: 4 / 3;
}
.desktop-device .shell-screen img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  background: #f4f4fb;
}

.mobile-device {
  display: flex;
  justify-content: center;
}
.mobile-device .device-shell {
  background: linear-gradient(180deg, #1f2856, #0d1331);
  border-radius: 34px;
  padding: 14px 12px 12px;
  box-shadow: 0 24px 56px rgba(12, 29, 86, .22);
  width: min(100%, 268px);
}
.phone-notch {
  width: 80px;
  height: 11px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.32);
}
.phone-screen {
  overflow: hidden;
  border-radius: 22px;
  background: #eef1ff;
  border: 1px solid rgba(255,255,255,.12);
  aspect-ratio: 10 / 19.8;
}
.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  background: #f4f4fb;
}

.slide-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  border-radius: 26px;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(255,255,255,.72);
}
.slide-info .kicker {
  display: inline-flex;
  color: var(--pink);
  font-weight: 1000;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.slide-info h3 { margin: 0; font-size: clamp(22px, 2.5vw, 30px); line-height: 1.1; }
.slide-info p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }

.slideshow-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(12,29,86,.06);
}

.slide-prev,
.slide-next {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(7,84,166,.18);
  background: rgba(255,255,255,.9);
  color: var(--blue);
  font-size: 20px;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.slide-prev:hover,
.slide-next:hover {
  background: var(--blue);
  color: var(--white);
  transform: scale(1.1);
  box-shadow: 0 8px 22px rgba(7,84,166,.25);
}

.slide-dots { display: flex; gap: 8px; }
.slide-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(7,84,166,.2);
  border: none;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.slide-dot.active {
  background: var(--blue);
  transform: scale(1.3);
}

/* Compatibilidade device-shell genérico */
.device-shell {
  position: relative;
  background: linear-gradient(180deg, #1f2856, #0d1331);
  border-radius: 28px;
  padding: 14px;
  box-shadow: 0 24px 56px rgba(12, 29, 86, .22);
}
.shell-top { display: flex; gap: 6px; padding-bottom: 12px; }
.shell-top span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); }
.shell-screen {
  overflow: hidden;
  border-radius: 18px;
  background: #eef1ff;
  border: 1px solid rgba(255,255,255,.12);
}
.desktop-screen { aspect-ratio: 4 / 3; }
.desktop-screen img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  background: #f4f4fb;
}
.glow-shell { box-shadow: 0 24px 56px rgba(12,29,86,.22), 0 0 0 1px rgba(255,255,255,.05), 0 0 40px rgba(116,87,200,.15); }

/* ===========================
   PEDAGOGY
   =========================== */
.pedagogy {
  background:
    radial-gradient(circle at 5% 15%, rgba(255,212,41,.42), transparent 26%),
    radial-gradient(circle at 90% 80%, rgba(255,93,149,.12), transparent 24%),
    #fffaf0;
}
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

/* ===========================
   BOOKS
   =========================== */
.books-grid { grid-template-columns: repeat(4, 1fr); }
.book-card { display: flex; min-height: 430px; flex-direction: column; }
.book-art {
  position: relative;
  min-height: 215px;
  font-size: 24px;
  font-weight: 1000;
  display: grid;
  place-items: center;
  padding: 18px;
  border-radius: 18px 18px 0 0;
  color: var(--white);
  text-align: center;
  line-height: 1.02;
  text-transform: uppercase;
  text-shadow: 0 4px 0 rgba(12, 29, 86, .18);
  box-shadow: inset 0 0 0 5px rgba(255,255,255,.32);
}
.book-card.sun .book-art { background: linear-gradient(180deg, #ffd429 0 48%, #1684c7 48% 100%); }
.book-card.green .book-art { background: linear-gradient(145deg, #32af66 0 58%, #ff8d00 58% 100%); }
.book-card.coral .book-art { background: linear-gradient(145deg, #f4524b 0 58%, #52c8ca 58% 100%); }
.book-card.blue .book-art { background: linear-gradient(145deg, #5969b5 0 58%, #a8d33c 58% 100%); }
.book-card h3 { padding: 0 20px; }
.book-card p { padding: 0 20px 20px; }

/* ===========================
   GAME LAB
   =========================== */
.game-lab {
  position: relative;
  background: linear-gradient(135deg, var(--blue-dark), #243d94 50%, var(--purple));
  color: var(--white);
  overflow: hidden;
}
.game-lab::before {
  content: "";
  position: absolute;
  inset: -10% -20%;
  background: radial-gradient(circle at 20% 30%, rgba(255,255,255,.08), transparent 20%), radial-gradient(circle at 80% 70%, rgba(255,212,41,.15), transparent 18%);
  animation: drift 18s linear infinite;
}
.game-lab .section-heading p,
.game-lab .check-list { color: rgba(255,255,255,.78); }
.game-lab .eyebrow { color: var(--blue-dark); }
.game-grid { grid-template-columns: .95fr 1.05fr; }

.game-wheel {
  position: relative;
  width: min(88vw, 470px);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background:
    conic-gradient(from 20deg, #fff 0 2deg, transparent 2deg 25%, #fff 25% 25.8%, transparent 25.8% 50%, #fff 50% 50.8%, transparent 50.8% 75%, #fff 75% 75.8%, transparent 75.8% 100%),
    conic-gradient(from 20deg, #0d235d 0 25%, #0754a6 25% 50%, #0d235d 50% 75%, #ff8d00 75% 100%);
  border: 10px solid rgba(255,255,255,.88);
  box-shadow: 0 30px 90px rgba(0,0,0,.25);
  animation: slowSpin 24s linear infinite;
}
.game-wheel::before {
  content: "";
  position: absolute;
  inset: 50% auto auto -34px;
  transform: translateY(-50%);
  border-top: 26px solid transparent;
  border-bottom: 26px solid transparent;
  border-right: 46px solid rgba(255,255,255,.92);
}
.wheel-center {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--white);
  color: var(--blue-dark);
  font-size: 24px;
  font-weight: 1000;
  box-shadow: inset 0 0 0 8px rgba(12, 29, 86, .08);
}
.slice {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 42%;
  transform-origin: 0 0;
  color: rgba(255,255,255,.92);
  font-size: 20px;
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.slice-one { transform: rotate(-70deg) translate(42px, -10px); }
.slice-two { transform: rotate(18deg) translate(50px, -10px); }
.slice-three { transform: rotate(112deg) translate(54px, -10px); }
.slice-four { transform: rotate(204deg) translate(56px, -12px); }

.check-list { display: grid; gap: 12px; margin: 26px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before { content: "✔"; position: absolute; left: 0; top: 0; color: var(--yellow); font-weight: 1000; }

/* Game mobile cards — oculto no desktop */
.game-mobile-cards { display: none; }

/* ===========================
   CTA BAND
   =========================== */
.cta-band {
  padding: 88px 0;
  background: linear-gradient(135deg, #ffda34 0%, #ffbf1a 35%, #7457c8 100%);
  color: var(--white);
}
.cta-band .eyebrow { color: var(--blue-dark); }
.cta-band p { color: rgba(255,255,255,.85); }
.cta-actions { display: flex; flex-direction: column; gap: 16px; justify-self: end; width: min(100%, 320px); }

/* ===========================
   FAQ
   =========================== */
.faq-list { display: grid; gap: 16px; }
.faq-list details {
  position: relative;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(255, 255, 255, .84);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  padding: 28px;
}
.faq-list summary { cursor: pointer; list-style: none; font-size: 20px; font-weight: 1000; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p { margin-top: 14px; color: var(--muted); line-height: 1.6; }

/* ===========================
   FOOTER
   =========================== */
.footer { padding: 26px 0; background: #0d1331; color: rgba(255,255,255,.82); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { margin-bottom: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }

.footer .brand-mark { font-size: clamp(22px, 3vw, 36px); filter: none; }
.footer .brand-letter { color: var(--yellow); }
.footer .brand-q { filter: brightness(0) invert(1); }

.footer-credits {
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  padding: 14px 0 4px;
  margin-top: 18px;
}
.footer-credits p {
  margin: 0;
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.footer-credits a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-weight: 700;
  transition: color .2s ease;
}
.footer-credits a:hover { color: var(--yellow); }

/* ===========================
   SCROLL REVEAL
   =========================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1);
}
.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   HOVER UTILITIES
   =========================== */
.hover-lift,
.hover-float { transition: transform .28s ease, box-shadow .28s ease; }
.hover-lift:hover { transform: translateY(-8px); box-shadow: 0 28px 56px rgba(12,29,86,.16); }
.hover-float:hover { transform: rotate(1deg) translateY(-8px); }

/* ===========================
   KEYFRAMES
   =========================== */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes slowSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes drift {
  from { transform: translateX(-2%) translateY(0); }
  50% { transform: translateX(2%) translateY(2%); }
  to { transform: translateX(-2%) translateY(0); }
}

/* ===========================
   RESPONSIVE — TABLET (1150px)
   =========================== */
@media (max-width: 1150px) {
  .hero-grid,
  .journey-grid,
  .pedagogy-grid,
  .game-grid,
  .cta-grid,
  .faq-grid { grid-template-columns: 1fr; }
  .books-grid,
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-benefits { max-width: 640px; }
  .cta-actions { justify-self: start; }
  .slide { grid-template-columns: 1fr; }
  .slide-info { max-width: 760px; margin-inline: auto; text-align: center; }
  .mobile-device { justify-content: center; }
  .hero-content { text-align: center; }
  .hero h1, .lead { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-benefits { margin-inline: auto; }
  .hero-stage { min-height: 560px; }
  .slideshow-panel[data-panel="mobile"] .slide { grid-template-columns: 1fr; }
}

/* ===========================
   RESPONSIVE — TABLET SM (860px)
   =========================== */
@media (max-width: 860px) {
  .section-padding { padding: 76px 0; }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow: auto;
  }
  .hero-stage { min-height: auto; padding-top: 20px; gap: 14px; }
  .library-preview,
  .value-grid,
  .books-grid,
  .audience-grid { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; align-items: flex-start; }
  .slideshow-tabs { padding: 0 12px; }
  .tab-btn { padding: 14px 16px; font-size: 13px; }
  .hero-showcase { min-height: 500px; }
  .showcase-desktop { width: 94%; transform: rotate(0deg); }
  .showcase-phone { width: 142px; right: 2px; bottom: 78px; }
  .floating-progress { left: 8px; top: 42px; }
  .floating-points { right: 8px; top: auto; bottom: 20px; }
  .reading-path { left: 18px; right: 18px; bottom: 76px; }
  .slide-info { padding: 20px; }
  .slideshow-controls { margin-top: 18px; padding-top: 16px; }
}

/* ===========================
   RESPONSIVE — MOBILE (560px)
   REDESIGN COMPLETO MOBILE-FIRST
   =========================== */
@media (max-width: 560px) {
  html { scroll-padding-top: 80px; }
  section[id],
  header[id],
  footer[id] { scroll-margin-top: 80px; }

  .container { width: min(var(--container), calc(100% - 28px)); }
  .section-padding { padding: 56px 0; }

  /* ── HEADER MOBILE ── */
  .site-header {
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 0;
    padding: 12px 16px;
  }

  .brand { gap: 10px; min-width: 0; }
  .brand-mark { font-size: 30px; }
  .brand-copy { display: grid; }
  .brand-copy strong { font-size: 13px; }
  .brand-copy small { font-size: 10px; }

  .main-nav { display: none; }

  .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  .header-cta {
    min-height: 36px;
    padding: 7px 12px;
    font-size: 11px;
    white-space: nowrap;
    letter-spacing: -.01em;
  }

  .hamburger { display: flex; }

  /* ── HERO MOBILE ── */
  .hero {
    min-height: auto;
    padding: 32px 0 48px;
    align-items: start;
  }

  .hero-bg { display: none; }

  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .hero-content {
    text-align: left;
    max-width: 100%;
    order: 1;
  }

  .hero .eyebrow {
    margin-bottom: 14px;
    font-size: 11px;
    padding: 7px 12px;
    letter-spacing: .04em;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(30px, 9.5vw, 38px);
    line-height: 1.05;
    letter-spacing: -.03em;
    margin-inline: 0;
  }

  .lead {
    max-width: 100%;
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.62;
    margin-inline: 0;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 22px;
  }

  .hero-actions .btn {
    min-height: 48px;
    padding: 12px 10px;
    font-size: 13px;
    width: 100%;
  }

  .hero-benefits {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 22px;
    max-width: 100%;
    margin-inline: 0;
    order: 2;
  }

  .benefit-chip {
    min-height: auto;
    padding: 14px 16px;
    border-radius: 18px;
    align-items: center;
  }

  .benefit-icon {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .benefit-chip strong { font-size: 15px; }
  .benefit-chip small { font-size: 13px; }

  /* Ocultar hero-stage desktop no mobile */
  .hero-stage { display: none !important; }

  /* ── HERO MOBILE VISUAL ── */
  .hero-mobile-visual {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    order: 3;
    margin-top: 28px;
    padding: 20px 16px;
    border-radius: 28px;
    background: rgba(255,255,255,.42);
    border: 1px solid rgba(255,255,255,.65);
    box-shadow: 0 16px 40px rgba(12,29,86,.1);
  }

  .hero-mobile-phone {
    flex-shrink: 0;
    width: 110px;
    background: linear-gradient(180deg, #1f2856, #0d1331);
    border-radius: 24px;
    padding: 10px 8px 8px;
    box-shadow: 0 18px 44px rgba(12,29,86,.28);
  }

  .hero-mobile-notch {
    width: 44px;
    height: 8px;
    margin: 0 auto 8px;
    border-radius: 999px;
    background: rgba(255,255,255,.32);
  }

  .hero-mobile-screen {
    overflow: hidden;
    border-radius: 16px;
    aspect-ratio: 10 / 19.8;
    background: #eef1ff;
  }

  .hero-mobile-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
  }

  .hero-mobile-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
  }

  .hero-mobile-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255,255,255,.7);
    border: 1px solid rgba(255,255,255,.9);
    box-shadow: 0 6px 16px rgba(12,29,86,.07);
  }

  .hero-mobile-stat > span {
    font-size: 22px;
    flex-shrink: 0;
  }

  .hero-mobile-stat strong {
    display: block;
    font-size: 13px;
    color: var(--blue);
    line-height: 1.1;
  }

  .hero-mobile-stat small {
    display: block;
    font-size: 11px;
    color: var(--muted);
    margin-top: 2px;
  }

  .hero-mobile-path {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(12,29,86,.88);
    flex-wrap: nowrap;
    overflow: hidden;
  }

  .path-step {
    flex: 1;
    text-align: center;
    font-size: 10px;
    font-weight: 900;
    color: rgba(255,255,255,.75);
    padding: 4px 2px;
    border-radius: 8px;
    background: rgba(255,255,255,.1);
    white-space: nowrap;
  }

  .path-step.active-step {
    background: rgba(255,212,41,.92);
    color: var(--blue-dark);
  }

  .path-arrow {
    color: rgba(255,255,255,.4);
    font-size: 12px;
    flex-shrink: 0;
  }

  /* ── SECTION HEADINGS MOBILE ── */
  .section-heading {
    margin: 0 0 28px;
    text-align: left;
  }

  .section-heading h2,
  .cta-band h2 {
    font-size: clamp(26px, 8.5vw, 36px);
    line-height: 1.06;
    letter-spacing: -.03em;
  }

  .section-heading p,
  .cta-band p {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.62;
  }

  /* ── AUDIENCE MOBILE ── */
  .audience-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .audience-card {
    padding: 22px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-direction: row;
  }

  .audience-card .icon-bubble {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    font-size: 24px;
  }

  .audience-card-body { flex: 1; }

  .audience-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
  }

  .audience-card p {
    font-size: 14px;
    line-height: 1.55;
  }

  /* ── JOURNEY MOBILE ── */
  .journey-grid { gap: 28px; }

  .timeline { gap: 12px; }
  .timeline::before { display: none; }

  .timeline-item {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px;
  }

  .timeline-item > span {
    width: 48px;
    height: 48px;
    min-width: 48px;
    font-size: 20px;
    border-width: 4px;
  }

  .timeline-item h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 17px;
  }

  .timeline-item p {
    font-size: 14px;
    line-height: 1.55;
  }

  /* ── SLIDESHOW MOBILE ── */
  .slideshow-wrapper { border-radius: var(--radius-lg); overflow: hidden; }

  .slideshow-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    padding: 0;
    overflow: hidden;
  }

  .tab-btn {
    justify-content: center;
    padding: 14px 8px;
    font-size: 12px;
    gap: 4px;
    border-radius: 0;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
  }

  .tab-btn.active {
    background: rgba(255,255,255,.5);
    border-bottom-color: var(--blue);
  }

  .slideshow-panel { padding: 20px 16px 16px; }

  .slide {
    display: none;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .slide.active { display: grid; }

  .slide-info {
    text-align: left;
    padding: 18px;
    border-radius: 20px;
    order: -1;
  }

  .slide-info h3 { font-size: 20px; }
  .slide-info p { font-size: 14px; }

  .desktop-device .device-shell {
    padding: 10px;
    border-radius: 18px;
  }
  .desktop-device .shell-screen { border-radius: 12px; }

  .mobile-device .device-shell,
  .slideshow-panel[data-panel="mobile"] .mobile-device .device-shell {
    width: min(72vw, 240px);
  }

  .slideshow-controls {
    margin-top: 16px;
    padding-top: 14px;
  }

  .slide-prev, .slide-next {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  /* ── PEDAGOGY MOBILE ── */
  .pedagogy-grid { gap: 28px; }

  .value-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .value-card {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
  }

  .value-card span {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    font-size: 24px;
  }

  .value-card h3 {
    margin: 0 0 6px;
    font-size: 17px;
  }

  .value-card p {
    font-size: 14px;
    line-height: 1.55;
  }

  /* ── BOOKS MOBILE ── */
  .books-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .book-card {
    min-height: auto;
    border-radius: 20px;
  }

  .book-art {
    min-height: 150px;
    font-size: 16px;
    border-radius: 16px 16px 0 0;
    padding: 14px;
  }

  .book-card h3 {
    padding: 14px 16px 6px;
    font-size: 15px;
    margin: 0;
  }

  .book-card p {
    padding: 0 16px 16px;
    font-size: 13px;
    line-height: 1.5;
  }

  /* ── GAME LAB MOBILE ── */
  .game-grid { display: none; }

  .game-mobile-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 32px;
    position: relative;
    z-index: 1;
  }

  .game-mobile-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.22);
    backdrop-filter: blur(8px);
    transition: background .2s ease, transform .2s ease;
  }

  .game-mobile-card:hover {
    background: rgba(255,255,255,.22);
    transform: translateY(-3px);
  }

  .gmc-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(255,255,255,.18);
  }

  .gmc-body strong {
    display: block;
    font-size: 15px;
    color: var(--white);
    line-height: 1.1;
  }

  .gmc-body small {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,.65);
    margin-top: 3px;
    line-height: 1.35;
  }

  /* Game lab section heading no mobile */
  .game-lab .section-heading {
    text-align: center;
    margin: 0 0 0;
    padding: 0 4px;
  }

  .game-lab .section-heading h2 {
    font-size: clamp(26px, 8.5vw, 36px);
  }

  .game-lab .check-list {
    display: none;
  }

  /* ── SYSTEM SLIDESHOW MOBILE PHONE ── */
  .slideshow-panel[data-panel="mobile"] .slide {
    display: none;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .slideshow-panel[data-panel="mobile"] .slide.active {
    display: grid;
  }

  /* ── CTA BAND MOBILE ── */
  .cta-band { padding: 56px 0; }

  .cta-grid { gap: 28px; }

  .cta-band h2 {
    font-size: clamp(24px, 8vw, 34px);
    line-height: 1.08;
  }

  .cta-actions {
    width: 100%;
    justify-self: stretch;
    gap: 12px;
  }

  .cta-actions .btn {
    width: 100%;
    min-height: 52px;
    font-size: 16px;
    padding: 14px 20px;
  }

  /* ── FAQ MOBILE ── */
  .faq-grid { gap: 24px; }

  .faq-list details {
    padding: 20px;
    border-radius: 20px;
  }

  .faq-list summary {
    font-size: 16px;
    line-height: 1.4;
  }

  .faq-list p {
    font-size: 14px;
    line-height: 1.6;
    margin-top: 12px;
  }

  /* ── FOOTER MOBILE ── */
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .footer-links {
    gap: 12px;
  }

  .footer-links a {
    font-size: 14px;
  }
}

/* ===========================
   RESPONSIVE — MOBILE XS (380px)
   =========================== */
@media (max-width: 380px) {
  .hero-actions {
    grid-template-columns: 1fr;
  }

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

  .game-mobile-cards {
    grid-template-columns: 1fr;
  }

  .hero-mobile-visual {
    flex-direction: column;
    align-items: center;
  }

  .hero-mobile-phone {
    width: 130px;
  }

  .hero-mobile-info {
    width: 100%;
  }
}