/* ============================================================
   R2 LUZ — Landing Page
   Paleta:  #000000 (preto) · #FAEE00 (amarelo) · #FFFFFF (branco)
   Tipografia: Montserrat
   ------------------------------------------------------------
   Sumário
   1.  Tokens / variáveis
   2.  Reset e base
   3.  Utilitários (eyebrow, títulos, botões, âncoras)
   4.  Header / navegação
   5.  Hero + card de formulário
   6.  Faixa introdutória (linhas)
   7.  Seções de categoria (painéis, iluminação, sonorização, LEDs)
   8.  Diferenciais + faixa de vantagens
   9.  Sobre a R2 Luz
   10. CTA final
   11. Rodapé
   12. Botão flutuante de WhatsApp
   13. Animações de entrada
   14. Responsividade
   ============================================================ */

/* ------------------------------------------------------------
   1. TOKENS
   ------------------------------------------------------------ */
:root {
  --black: #000000;
  --ink: #0a0a0a;
  --ink-2: #141414;
  --ink-3: #1d1d1d;
  --yellow: #faee00;
  --yellow-deep: #d9ce00;
  --white: #ffffff;

  --text-dark: #1a1a1a;
  --text-muted-light: #5c5c5c;
  --text-muted-dark: rgba(255, 255, 255, 0.72);

  --line-on-dark: rgba(255, 255, 255, 0.14);
  --line-on-light: rgba(0, 0, 0, 0.1);

  --font: 'Montserrat', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --navbar-h: 100px;
  --container-pad: 24px;
  --ease: 0.28s ease;
}

/* ------------------------------------------------------------
   2. RESET / BASE
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.15; margin: 0; }

p { margin: 0; line-height: 1.75; }

ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.container { padding-left: var(--container-pad); padding-right: var(--container-pad); }

/* ------------------------------------------------------------
   3. UTILITÁRIOS
   ------------------------------------------------------------ */
.r2-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1.4rem;
}

.r2-eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--yellow);
  display: block;
}

.r2-eyebrow--dark { color: var(--text-dark); }
.r2-eyebrow--dark::before { background: var(--yellow-deep); }

.r2-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.r2-title--section { margin-bottom: 1.3rem; }

.r2-lead {
  font-size: 1.06rem;
  font-weight: 400;
  line-height: 1.75;
}

.r2-text { font-size: 1rem; line-height: 1.8; margin-bottom: 1.1rem; }
.r2-text:last-child { margin-bottom: 0; }

.on-dark { color: var(--white); }
.on-dark .r2-text,
.on-dark .r2-lead { color: var(--text-muted-dark); }
.on-light .r2-text,
.on-light .r2-lead { color: var(--text-muted-light); }

/* Botões */
.r2-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 16px 34px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
}

.r2-btn i { font-size: 1.05em; }

.r2-btn--primary {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}

.r2-btn--primary:hover,
.r2-btn--primary:focus-visible {
  background: var(--black);
  color: var(--yellow);
  border-color: var(--yellow);
  transform: translateY(-2px);
}

.r2-btn--ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.r2-btn--ghost-light:hover,
.r2-btn--ghost-light:focus-visible {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
  transform: translateY(-2px);
}

.r2-btn--ghost-dark {
  background: transparent;
  color: var(--black);
  border-color: rgba(0, 0, 0, 0.25);
}

.r2-btn--ghost-dark:hover,
.r2-btn--ghost-dark:focus-visible {
  background: var(--black);
  color: var(--yellow);
  border-color: var(--black);
  transform: translateY(-2px);
}

/* Seção base */
.r2-section { padding: clamp(64px, 9vw, 118px) 0; }
.r2-section--ink { background: var(--ink); color: var(--white); }
.r2-section--white { background: var(--white); }
.r2-section--gray { background: #f4f4f2; }

/* Moldura de imagem de produto */
.r2-shot {
  position: relative;
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(180deg, #ffffff, #f0f0ee);
  border: 1px solid var(--line-on-light);
}

.r2-shot::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 6px;
  background: var(--yellow);
}

.r2-shot img { width: 100%; height: auto; mix-blend-mode: multiply; }

/* ------------------------------------------------------------
   4. HEADER / NAVEGAÇÃO
   ------------------------------------------------------------ */
.r2-nav {
  height: var(--navbar-h);
  padding: 0;
  background: transparent;
  transition: background var(--ease), box-shadow var(--ease), height var(--ease);
  z-index: 1050;
}

.r2-nav--scrolled {
  background: var(--black);
  box-shadow: 0 1px 0 var(--line-on-dark);
}

.r2-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.r2-nav__logo { height: 40px; width: auto; }

.r2-nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.r2-nav__link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  position: relative;
  transition: color var(--ease);
}

.r2-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}

.r2-nav__link:hover,
.r2-nav__link:focus-visible { color: var(--white); }
.r2-nav__link:hover::after { transform: scaleX(1); }

.r2-nav__cta {
  margin-left: 12px;
  padding: 12px 24px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--yellow);
  color: var(--black);
  transition: background var(--ease), color var(--ease);
}

.r2-nav__cta:hover,
.r2-nav__cta:focus-visible { background: var(--white); }

/* Hambúrguer */
.r2-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.r2-nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: transform var(--ease), opacity var(--ease);
}

.r2-nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.r2-nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.r2-nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 991.98px) {
  .r2-nav { background: var(--black); }
  .r2-nav__toggle { display: flex; }

  .r2-nav__menu {
    position: fixed;
    inset: var(--navbar-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--black);
    border-top: 1px solid var(--line-on-dark);
    padding: 12px 24px 26px;
    transform: translateY(calc(-100% - var(--navbar-h) - 8px));
    transition: transform 0.32s ease;
    max-height: calc(100vh - var(--navbar-h));
    overflow-y: auto;
  }

  .r2-nav__menu.is-open { transform: translateY(0); }

  .r2-nav__link {
    padding: 14px 4px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .r2-nav__link::after { display: none; }

  .r2-nav__cta {
    margin: 18px 0 0;
    text-align: center;
    padding: 15px 24px;
  }
}

/* ------------------------------------------------------------
   5. HERO
   ------------------------------------------------------------ */
.r2-hero {
  position: relative;
  display: flex;
  align-items: center;
  padding-top: calc(var(--navbar-h) + 56px);
  padding-bottom: 72px;
  overflow: hidden;
  background: var(--black);
}

.r2-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.r2-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.5) 42%, rgba(0, 0, 0, 0.14) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.05));
}

.r2-hero__inner { position: relative; z-index: 2; width: 100%; }

.r2-hero__title {
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.3rem;
}

.r2-hero__title mark {
  background: transparent;
  color: var(--yellow);
}

.r2-hero__sub {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  max-width: 40ch;
  margin-bottom: 2rem;
}

.r2-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 2.4rem;
}

.r2-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
  border: 1px solid var(--line-on-dark);
  padding: 8px 14px;
}

.r2-hero__badge i { color: var(--yellow); font-size: 0.95rem; }

/* Card do formulário */
.r2-form-card {
  background: var(--white);
  padding: clamp(26px, 3vw, 40px);
  border-top: 5px solid var(--yellow);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.r2-form-card__title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.r2-form-card__text {
  font-size: 0.9rem;
  color: var(--text-muted-light);
  line-height: 1.6;
  margin-bottom: 1.6rem;
}

/* ------------------------------------------------------------
   Estilo do formulário PHP herdado (apenas visual)
   ------------------------------------------------------------ */
.r2-form-card .form-floating > .form-control,
.r2-form-card .form-floating > textarea.form-control {
  font-family: var(--font);
  font-size: 0.92rem;
  border: 1px solid #d5d5d5;
  border-radius: 0;
  background-color: #fafafa;
}

.r2-form-card .form-floating > label {
  font-family: var(--font);
  font-size: 0.9rem;
  color: #8a8a8a;
}

.r2-form-card .form-control:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(250, 238, 0, 0.45);
  background-color: var(--white);
}

.r2-form-card .form-control.is-invalid,
.r2-form-card .was-validated .form-control:invalid {
  border-color: #d33;
  box-shadow: none;
}

.r2-form-card .btn-custom-primary,
.r2-form-card #submit-button-form {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 22px;
  border-radius: 0;
  border: 2px solid var(--black);
  background: var(--black);
  color: var(--yellow);
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.r2-form-card .btn-custom-primary:hover:not(:disabled),
.r2-form-card #submit-button-form:hover:not(:disabled) {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--black);
  transform: translateY(-2px);
}

.r2-form-card #submit-button-form:disabled { opacity: 0.55; cursor: not-allowed; }

.r2-form-card .alert { border-radius: 0; font-size: 0.9rem; }

/* ------------------------------------------------------------
   6. FAIXA INTRODUTÓRIA (linhas)
   ------------------------------------------------------------ */
.r2-intro {
  border-bottom: 1px solid var(--line-on-dark);
  background:
    linear-gradient(rgba(10, 10, 10, 0.55), rgba(10, 10, 10, 0.62)),
    url("../images/banner-r2-luz-dark-1.jpg") center / cover no-repeat;
}

.r2-intro .col-lg-10 { margin: 0 auto; text-align: center; }

.r2-intro__title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  color: var(--white);
  margin-bottom: 1.4rem;
}

.r2-intro__closer {
  margin-top: 1.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--yellow);
}

/* ------------------------------------------------------------
   7. SEÇÕES DE CATEGORIA
   ------------------------------------------------------------ */
.r2-cat__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 84px);
  align-items: center;
}

.r2-cat__grid--media-left .r2-cat__media { order: -1; }

.r2-cat__body .r2-btn { margin-top: 1.8rem; }

.r2-subtitle-note {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 1.6rem 0 0.9rem;
}
.on-dark .r2-subtitle-note { color: var(--white); }
.on-light .r2-subtitle-note { color: var(--text-dark); }

/* Lista com marcador (checagem) */
.r2-check-list { display: grid; gap: 2px; }
.r2-check-list--cols { grid-template-columns: 1fr 1fr; gap: 2px 28px; }

.r2-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.5;
  border-bottom: 1px solid var(--line-on-light);
}

.on-dark .r2-check-list li { border-bottom-color: var(--line-on-dark); color: var(--white); }

.r2-check-list li::before {
  content: "\F633"; /* bi-check-lg */
  font-family: "bootstrap-icons";
  color: var(--yellow-deep);
  font-size: 1rem;
  line-height: 1.4;
  flex-shrink: 0;
}
.on-dark .r2-check-list li::before { color: var(--yellow); }

/* Lista em chips */
.r2-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.r2-chip-list li {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 16px;
  border: 1px solid var(--line-on-light);
}

.on-dark .r2-chip-list li {
  border-color: var(--line-on-dark);
  color: var(--white);
}

.r2-chip-list li:hover {
  border-color: var(--yellow-deep);
  background: rgba(250, 238, 0, 0.12);
}

/* Callout */
.r2-callout {
  margin-top: 1.8rem;
  padding: 22px 24px;
  border-left: 4px solid var(--yellow);
  background: rgba(250, 238, 0, 0.1);
}

.on-light .r2-callout { background: #f6f4dd; }

.r2-callout p { font-size: 0.98rem; line-height: 1.6; }
.r2-callout p + p { margin-top: 0.4rem; font-weight: 700; }

/* ------------------------------------------------------------
   8. DIFERENCIAIS
   ------------------------------------------------------------ */
#diferenciais {
  background:
    linear-gradient(rgba(10, 10, 10, 0.32), rgba(10, 10, 10, 0.42)),
    url("../images/banner-r2-luz-dark-2.jpg") center / cover no-repeat;
}

#diferenciais .r2-diff__item { background: rgba(10, 10, 10, 0.3); }
#diferenciais .r2-diff__item:hover { background: rgba(29, 29, 29, 0.45); }
#diferenciais .r2-perk { background: rgba(20, 20, 20, 0.34); }

.r2-diff__head { max-width: 760px; margin: 0 auto clamp(36px, 5vw, 60px); text-align: center; }

.r2-diff__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-on-dark);
  border: 1px solid var(--line-on-dark);
}

.r2-diff__item {
  background: var(--ink);
  padding: 34px 28px;
  transition: background var(--ease);
}

.r2-diff__item:hover { background: var(--ink-3); }

.r2-diff__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--yellow);
  color: var(--yellow);
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}

.r2-diff__title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
}

.r2-diff__cta { margin-top: clamp(36px, 5vw, 56px); text-align: center; }

/* Faixa de vantagens */
.r2-perks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-on-dark);
  border: 1px solid var(--line-on-dark);
  margin-top: 1px;
}

.r2-perk {
  background: var(--ink-2);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.r2-perk:nth-child(5) { grid-column: 2 / 3; }
.r2-perk:nth-child(6) { grid-column: 3 / 4; }

.r2-perk i {
  font-size: 1.5rem;
  color: var(--yellow);
  flex-shrink: 0;
}

.r2-perk strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
}

.r2-perk span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted-dark);
  margin-top: 2px;
}

/* ------------------------------------------------------------
   9. SOBRE A R2 LUZ
   ------------------------------------------------------------ */
.r2-about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.r2-about__media { position: relative; }
.r2-about__media img { width: 100%; border: 1px solid var(--line-on-light); }
.r2-about__media::before {
  content: "";
  position: absolute;
  left: -16px;
  top: -16px;
  width: 90px;
  height: 90px;
  border-left: 4px solid var(--yellow);
  border-top: 4px solid var(--yellow);
}

.r2-about__quote {
  margin-top: 1.8rem;
  padding-left: 20px;
  border-left: 4px solid var(--yellow);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.45;
}

/* ------------------------------------------------------------
   10. CTA FINAL
   ------------------------------------------------------------ */
.r2-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 12vw, 150px) 0;
  background: var(--black);
  text-align: center;
}

.r2-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  opacity: 0.9;
}

.r2-cta__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.55) 100%);
}

.r2-cta__inner { position: relative; z-index: 2; max-width: 780px; margin: 0 auto; }

.r2-cta__title {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

.r2-cta__title mark { background: transparent; color: var(--yellow); }

.r2-cta__text {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ------------------------------------------------------------
   11. RODAPÉ
   ------------------------------------------------------------ */
.r2-footer {
  background: var(--black);
  color: var(--text-muted-dark);
  padding: clamp(56px, 8vw, 88px) 0 0;
  border-top: 1px solid var(--line-on-dark);
}

.r2-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
}

.r2-footer__logo { height: 44px; width: auto; margin-bottom: 1.2rem; }

.r2-footer__brand {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.r2-footer__tagline { font-size: 0.9rem; line-height: 1.7; max-width: 42ch; }

.r2-footer__col h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1.1rem;
}

.r2-footer__col p,
.r2-footer__col li {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 0.7rem;
}

.r2-footer__col a { transition: color var(--ease); }
.r2-footer__col a:hover { color: var(--yellow); }

.r2-footer__social {
  display: flex;
  gap: 12px;
  margin-top: 0.4rem;
}

.r2-footer__social a {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-on-dark);
  font-size: 1.05rem;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.r2-footer__social a:hover {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}

.r2-footer__bottom {
  margin-top: clamp(40px, 6vw, 64px);
  padding: 22px 0;
  border-top: 1px solid var(--line-on-dark);
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ------------------------------------------------------------
   12. WHATSAPP FLUTUANTE
   ------------------------------------------------------------ */
.r2-wa {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 900;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--yellow);
  color: var(--black);
  border-radius: 50%;
  font-size: 1.7rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transition: transform var(--ease);
}

.r2-wa:hover { transform: scale(1.08); color: var(--black); }

/* ------------------------------------------------------------
   13. ANIMAÇÕES DE ENTRADA
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .js [data-reveal].is-visible { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------
   14. RESPONSIVIDADE
   ------------------------------------------------------------ */
@media (max-width: 991.98px) {
  :root { --navbar-h: 84px; }

  .r2-cat__grid,
  .r2-about__grid { grid-template-columns: 1fr; }

  .r2-cat__grid--media-left .r2-cat__media { order: -1; }
  .r2-cat__media { order: -1; }

  .r2-about__quote { font-size: 1.05rem; }

  .r2-diff__grid { grid-template-columns: repeat(2, 1fr); }
  .r2-perks { grid-template-columns: repeat(2, 1fr); }
  .r2-perk:nth-child(5), .r2-perk:nth-child(6) { grid-column: auto; }

  .r2-footer__grid { grid-template-columns: 1fr 1fr; }
  .r2-footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 767.98px) {
  .r2-hero { padding-top: calc(var(--navbar-h) + 40px); }
  .r2-hero__title { font-size: 2rem; }
  .r2-hero__inner .row { --bs-gutter-y: 2.5rem; }

  .r2-check-list--cols { grid-template-columns: 1fr; }

  .r2-diff__grid { grid-template-columns: 1fr; }
  .r2-perks { grid-template-columns: 1fr; }
  .r2-perk:nth-child(5), .r2-perk:nth-child(6) { grid-column: auto; }

  .r2-footer__grid { grid-template-columns: 1fr; }
  .r2-footer__social { justify-content: flex-start; }

  .r2-btn { width: 100%; }
  .r2-nav__cta { width: auto; }
}

@media (max-width: 400px) {
  .r2-hero__title { font-size: 1.75rem; }
  .r2-title { font-size: 1.6rem; }
}

/* ------------------------------------------------------------
   Compat: classe herdada do scaffold
   ------------------------------------------------------------ */
.btn-custom-primary {
  background-color: var(--black);
  border-color: var(--black);
  color: var(--yellow);
}