/* =====================================================
   Nutryforza — Folha de estilo principal
   Organização: variáveis › base › animações › componentes
   › responsividade (tablet e mobile no final)
   ===================================================== */

:root {
  --navy:   #26326E;
  --blue:   #2E6DB4;
  --cyan:   #4FB3D9;
  --accent: #2456A6;
  --ink:    #161C2B;
  --ink2:   #4A5266;
  --muted:  #8A93A6;
  --bg:     #ffffff;
  --line:   #E8ECF2;

  --maxw: 1200px;
  --header-h: 80px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Mulish', sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: #CFE2F4; color: #161C2B; }

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

section[id], footer[id] { scroll-margin-top: var(--header-h); }

em { font-style: normal; } /* destaques recebem fonte serifada via classes */

/* scrollbar dos carrosséis */
.nf-scroll { scrollbar-width: thin; scrollbar-color: #C3D2E6 transparent; }
.nf-scroll::-webkit-scrollbar { height: 8px; }
.nf-scroll::-webkit-scrollbar-thumb { background: #C3D2E6; border-radius: 99px; }
.nf-scroll::-webkit-scrollbar-track { background: transparent; }

/* ===================== ANIMAÇÕES DE SCROLL ===================== */
/*  As classes .reveal começam ocultas e o JS adiciona .is-visible
    quando o elemento entra na viewport (IntersectionObserver).      */
.reveal {
  opacity: 0;
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1);
  will-change: opacity, transform;
}
.reveal--up   { transform: translateY(42px); }
.reveal--fade { transform: none; }
.reveal--zoom { transform: scale(.92); }
.reveal--left { transform: translateX(-42px); }
.reveal--right{ transform: translateX(42px); }

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* atraso escalonado para cards em sequência */
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===================== ELEMENTOS COMUNS ===================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow--center { justify-content: center; }
.eyebrow__line { width: 30px; height: 1.5px; background: var(--accent); }

.section-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: clamp(38px, 4.4vw, 58px);
  line-height: .94;
  letter-spacing: -.025em;
}
.section-title em {
  font-family: 'Newsreader', serif;
  font-weight: 500;
  font-style: italic;
}
.section-title--center { text-align: center; }

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .28s ease, box-shadow .28s ease, border-color .28s ease;
  background: transparent;
  border-bottom: 1px solid transparent;
}
.header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header__logo { display: flex; align-items: center; }
.header__logo img {
  height: 38px;
  width: auto;
  transition: filter .28s ease;
  filter: brightness(0) invert(1); /* logo branco sobre o hero */
}

.nav { display: flex; align-items: center; gap: 30px; }
.nav__link {
  font-family: 'Mulish', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, .4);
  transition: color .2s ease;
}
.nav__link--cta {
  padding: 11px 22px;
  border-radius: 999px;
  color: var(--accent);
  background: #fff;
  text-shadow: none;
}

/* estado "rolado": fundo claro translúcido */
.header.is-scrolled {
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 8px 30px -22px rgba(38, 50, 110, .55);
  border-bottom: 1px solid rgba(255, 255, 255, .55);
}
.header.is-scrolled .header__logo img { filter: none; }
.header.is-scrolled .nav__link { color: var(--ink); text-shadow: none; }
.header.is-scrolled .nav__link--cta { color: #fff; background: var(--accent); }

/* botão hambúrguer (escondido no desktop) */
.header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.header__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease, background .28s ease;
}
.header.is-scrolled .header__toggle span { background: var(--ink); }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  overflow: hidden;
  background: #0E1730;
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10, 18, 40, .55), rgba(10, 18, 40, .45) 45%, rgba(10, 18, 40, .7));
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  padding: 140px 32px 150px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: clamp(44px, 7vw, 90px);
  line-height: .95;
  letter-spacing: -.025em;
  color: #fff;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.hero__title em {
  font-family: 'Newsreader', serif;
  font-weight: 500;
  font-style: italic;
  color: #fff;
}
.hero__text {
  margin-top: 26px;
  max-width: 520px;
  font-size: 19px;
  line-height: 1.6;
  color: #E8EEF6;
  text-shadow: 0 1px 16px rgba(0, 0, 0, .4);
}
.hero__cta {
  margin-top: 36px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  background: #fff;
  border-radius: 999px;
  padding: 18px 36px;
  text-decoration: none;
  box-shadow: 0 18px 44px -18px rgba(0, 0, 0, .55);
  transition: transform .2s ease, box-shadow .2s ease;
}
.hero__cta:hover { transform: translateY(-2px); box-shadow: 0 24px 50px -18px rgba(0, 0, 0, .6); }
.hero__cta span { font-size: 17px; }

/* ===================== EXPLORE ===================== */
.explore {
  background: #fff;
  padding: 90px 0 84px;
  border-top: 1px solid var(--line);
}
.explore__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 0 0 32px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.explore__intro { flex: 0 0 300px; max-width: 300px; }
.explore__lead {
  margin-top: 20px;
  font-size: 15px;
  color: var(--ink2);
  line-height: 1.6;
}
.explore__track {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 8px 60px 24px;
  scroll-snap-type: x proximity;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 90px, #000 calc(100% - 30px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 90px, #000 calc(100% - 30px), transparent 100%);
}

.product-card {
  flex: 0 0 auto;
  width: 328px;
  scroll-snap-align: center;
}
.product-card__link,
.product-card__img-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.product-card__media {
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
  min-height: 380px;
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 22px 50px -34px rgba(38, 50, 110, .4);
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.product-card:hover .product-card__media {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -34px rgba(38, 50, 110, .55);
}
.product-card__badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  background: #F3F6FB;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
  margin-bottom: 12px;
}
.product-card__comp-panel {
  width: 100%;
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-bottom: 0;
  transition: grid-template-rows .4s ease, opacity .3s ease, margin-bottom .4s ease;
}
.product-card__comp-panel.is-open {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-bottom: 12px;
}
.product-card__comp-panel-inner {
  overflow: hidden;
  padding: 0 16px;
  background: #F3F6FB;
  border-radius: 16px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink2);
  transition: padding .4s ease;
}
.product-card__comp-panel.is-open .product-card__comp-panel-inner {
  padding: 14px 16px;
}
.product-card__comp-panel-inner p + p { margin-top: 8px; }
.product-card__comp-panel-inner strong { color: var(--ink); }
.product-card__allergens { font-size: 11.5px; }
.product-card__comp-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent);
  padding: 6px 14px;
  white-space: nowrap;
  margin-bottom: 14px;
}
.product-card__comp-toggle span {
  display: inline-block;
  transition: transform .2s ease;
  font-weight: 400;
}
.product-card__comp-toggle[aria-expanded="true"] span {
  transform: rotate(45deg);
}
.product-card__img-link {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 312px;
  margin-top: auto;
}
.product-card__media img {
  height: 312px;
  width: auto;
  filter: drop-shadow(0 16px 22px rgba(20, 40, 80, .16));
}
.product-card__img-link[data-select="eros"] img {
  height: 258px;
}
.product-card__name {
  text-align: center;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-top: 18px;
}
.product-card__desc {
  text-align: center;
  font-size: 15px;
  color: var(--ink2);
  margin-top: 6px;
  line-height: 1.5;
}

/* ===================== QUEM SOMOS ===================== */
.about {
  background: #F7F9FC;
  padding: 90px 0 84px;
  border-top: 1px solid var(--line);
}
.about__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px 0 0;
  display: flex;
  align-items: center;
  gap: 36px;
}
.about__track {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: stretch;
  gap: 22px;
  overflow-x: auto;
  padding: 24px 60px 24px 32px;
  scroll-snap-type: x proximity;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 30px, #000 calc(100% - 90px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 30px, #000 calc(100% - 90px), transparent 100%);
}
.about__intro { flex: 0 0 320px; max-width: 320px; }
.about__lead {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink2);
}

.value-card {
  flex: 0 0 auto;
  width: 330px;
  scroll-snap-align: start;
  background: #fff;
  border-radius: 22px;
  padding: 34px 32px;
  border: 1px solid var(--line);
  box-shadow: 0 22px 50px -34px rgba(38, 50, 110, .4);
  display: flex;
  flex-direction: column;
}
.value-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 18px;
}
.value-card__title {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 23px;
  margin: 20px 0 10px;
}
.value-card__text { font-size: 15px; line-height: 1.6; color: var(--ink2); }
.value-card__list { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-top: 4px; }
.value-card__list li {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  color: var(--ink2);
}
.value-card__list span { color: var(--accent); font-weight: 800; }

/* ===================== BEST SELLERS ===================== */
.best {
  background: #fff;
  padding: 84px 0 80px;
  border-top: 1px solid var(--line);
}
.best__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.best__head { text-align: center; margin-bottom: 14px; }

.best__tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 26px 0 30px;
}
.tab {
  font-family: 'Mulish', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
  background: #fff;
  color: var(--ink2);
  border: 1.5px solid #E2E8F1;
}
.tab.is-active { color: #fff; }

.best__track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 6px 50px 22px;
  scroll-snap-type: x proximity;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 60px, #000 calc(100% - 60px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 60px, #000 calc(100% - 60px), transparent 100%);
}
/* aba com um único kit (Degustação): centraliza o card e dispensa a máscara */
.best__track--single {
  justify-content: center;
  -webkit-mask-image: none;
  mask-image: none;
}
.kit-card {
  flex: 0 0 auto;
  width: 288px;
  scroll-snap-align: start;
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 44px -34px rgba(38, 50, 110, .45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.kit-card__media {
  position: relative;
  background: #fff;
  height: 272px;
  padding: 18px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.kit-card__badge {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 5;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  background: #F3F6FB;
  padding: 6px 12px;
  border-radius: 999px;
}
.kit-card__cluster { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; width: 100%; }
.kit-card__cluster img { filter: drop-shadow(0 6px 12px rgba(20, 40, 80, .1)); position: relative; }
.kit-card__body { padding: 22px 24px 26px; }
.kit-card__name {
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.kit-card__months { font-size: 14px; color: var(--ink2); margin-top: 6px; line-height: 1.4; }
.kit-card__price {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 34px;
  letter-spacing: -.03em;
  color: var(--ink);
  line-height: 1;
  margin-top: 16px;
}
.kit-card__parc { font-size: 13px; color: var(--muted); margin-top: 6px; }
.kit-card__buy {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 14px;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.kit-card__buy:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
/* botão sem link de checkout definido */
.kit-card__buy--soon { opacity: .45; cursor: not-allowed; }
.kit-card__buy--soon:hover { background: #fff; border-color: var(--ink); color: var(--ink); }

/* ===================== SAÚDE SEM LIMITES ===================== */
.limits {
  background: #fff;
  padding: 90px 0;
  border-top: 1px solid var(--line);
}
.limits__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.limits__intro { position: relative; }
.limits__glow {
  position: absolute;
  left: -110px; top: 50%;
  transform: translateY(-50%);
  width: 476px; height: 476px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 179, 217, .16), rgba(46, 109, 180, .07) 40%, transparent 78%);
  z-index: 0;
  pointer-events: none;
}
.limits__title {
  position: relative;
  z-index: 1;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: clamp(54px, 8vw, 104px);
  line-height: .95;
  letter-spacing: -.03em;
  color: var(--ink);
}
.limits__title em {
  display: inline-block;
  font-family: 'Newsreader', serif;
  font-weight: 500;
  font-style: italic;
  text-transform: none;
  font-size: .9em;
  color: var(--accent);
  line-height: 1;
  margin: 0 .3em 0 0;
}
.limits__lead {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  max-width: 380px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink2);
}
.limits__features { display: flex; flex-direction: column; gap: 16px; }
.feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  box-shadow: 0 18px 44px -32px rgba(38, 50, 110, .5);
}
.feature__check {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 999px;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
}
.feature__kicker {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 21px;
  color: var(--ink2);
}
.feature__title { font-weight: 800; font-size: 14px; margin-top: 8px; }
.feature__text { font-size: 14px; color: var(--muted); margin-top: 3px; line-height: 1.5; }

/* ===================== QUIZ ===================== */
.quiz {
  background: #F7F9FC;
  padding: 84px 0;
  border-top: 1px solid var(--line);
}
.quiz__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 48px;
  align-items: center;
}
.quiz__title { /* reaproveita .section-title */ }
.section-title em.quiz__accent { color: var(--accent); }
.quiz__lead {
  margin-top: 24px;
  max-width: 380px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink2);
}
.quiz__card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 40px 40px 36px;
  color: var(--ink);
  box-shadow: 0 30px 70px -50px rgba(38, 50, 110, .5);
  min-height: 380px;
}
.quiz__step { font-size: 13px; color: var(--muted); letter-spacing: .05em; }
.quiz__question {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 28px;
  margin: 10px 0 26px;
  line-height: 1.2;
}
.quiz__options { display: flex; flex-direction: column; gap: 12px; }
.quiz__option {
  font-family: 'Mulish', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 17px;
  cursor: pointer;
  color: var(--ink);
  text-align: center;
  transition: all .15s ease;
}
.quiz__option:hover {
  border-color: #2456A6;
  color: #2456A6;
  box-shadow: 0 10px 24px -16px rgba(38, 50, 110, .6);
}
.quiz__back {
  font-family: 'Mulish', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px;
  cursor: pointer;
}
.quiz__result { text-align: center; }
.quiz__result-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
}
.quiz__result-img { display: flex; justify-content: center; margin: 14px 0 8px; }
.quiz__result-img img { height: 200px; filter: drop-shadow(0 18px 26px rgba(0, 0, 0, .22)); }
.quiz__result-name {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 30px;
  letter-spacing: -.02em;
}
.quiz__result-desc {
  font-size: 15px;
  color: var(--ink2);
  margin: 10px auto 22px;
  max-width: 330px;
  line-height: 1.55;
}
.quiz__result-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 999px;
  text-decoration: none;
}
.quiz__restart {
  margin-top: 16px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: 'Mulish', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ===================== FOOTER ===================== */
.footer {
  background: #fff;
  color: var(--ink);
  padding: 70px 0 30px;
  border-top: 1px solid var(--line);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
}
.footer__logo { height: 42px; }
.footer__about {
  margin-top: 20px;
  max-width: 300px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink2);
}
.footer__social { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }
.social {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 999px;
}
.social--ig { color: var(--ink); background: #F4F7FB; }
.social--wa { color: #fff; background: #25D366; }

.footer__heading {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer__heading--pay { margin: 26px 0 14px; }
.footer__heading-line { flex: 0 0 24px; height: 1.5px; background: var(--accent); }
.footer__links { display: flex; flex-direction: column; gap: 12px; font-size: 15px; }
.footer__links a { color: var(--ink2); text-decoration: none; }
.footer__links a:hover { color: var(--accent); }
.footer__sac { display: flex; flex-direction: column; gap: 12px; font-size: 15px; color: var(--ink2); }
.footer__pay { max-width: 100%; width: 200px; height: auto; }

.footer__bottom {
  max-width: var(--maxw);
  margin: 40px auto 0;
  padding: 22px 32px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--muted);
}
.footer__credit {
  max-width: var(--maxw);
  margin: 16px auto 0;
  padding: 0 32px;
  font-size: 13px;
  color: var(--muted);
}

/* ===================== WHATSAPP FLUTUANTE ===================== */
.wa-float {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 60;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px -8px rgba(37, 211, 102, .7);
  text-decoration: none;
  transition: transform .2s ease;
}
.wa-float:hover { transform: scale(1.06); }

/* =====================================================
   RESPONSIVIDADE
   ===================================================== */

/* ---------- Tablet (≤ 980px) ---------- */
@media (max-width: 980px) {
  /* seções de duas colunas viram coluna única */
  .explore__inner,
  .about__inner {
    flex-direction: column;
    align-items: stretch;
    padding: 0 24px;
    gap: 28px;
  }
  .explore__intro,
  .about__intro {
    flex: none;
    max-width: 640px;
  }
  /* no "sobre" o texto deve vir antes dos cards */
  .about__intro { order: -1; }

  .explore__track,
  .about__track {
    padding: 8px 24px 24px;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .limits__inner,
  .quiz__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .limits__glow { left: -60px; width: 360px; height: 360px; }
}

/* ---------- Mobile (≤ 720px) ---------- */
@media (max-width: 720px) {
  :root { --header-h: 68px; }

  /* menu hambúrguer */
  .header__toggle { display: flex; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 18px 40px -24px rgba(38, 50, 110, .5);
    padding: 8px 0 14px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height .3s ease, opacity .25s ease;
  }
  .nav.is-open { max-height: 380px; opacity: 1; pointer-events: auto; }
  .nav__link {
    color: var(--ink);
    text-shadow: none;
    padding: 14px 24px;
  }
  .nav__link--cta {
    margin: 8px 24px 0;
    text-align: center;
    color: #fff;
    background: var(--accent);
  }
  /* hambúrguer segue a cor do header: branco no topo, escuro ao rolar
     (regra base + .is-scrolled). Com o menu aberto fica sempre escuro,
     pois o painel claro aparece logo abaixo. */
  .header.nav-open .header__toggle span { background: var(--ink); }
  .header:not(.is-scrolled) .header__inner { padding: 12px 20px; }

  /* hambúrguer vira "X" quando aberto */
  .header.nav-open .header__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header.nav-open .header__toggle span:nth-child(2) { opacity: 0; }
  .header.nav-open .header__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero__content { padding: 120px 22px 110px; }
  .hero__text { font-size: 17px; }

  .explore, .about, .best, .limits, .quiz { padding-left: 0; padding-right: 0; }
  .explore { padding-top: 70px; padding-bottom: 64px; }
  .about, .best, .limits, .quiz { padding-top: 64px; padding-bottom: 60px; }

  .best__inner, .limits__inner, .quiz__inner { padding: 0 20px; }
  .best__track { padding: 6px 20px 22px; -webkit-mask-image: none; mask-image: none; }

  .quiz__card { padding: 30px 24px 28px; }
  .quiz__question { font-size: 24px; }

  .footer__inner { grid-template-columns: 1fr; gap: 36px; padding: 0 22px; }
  .footer__bottom { padding: 22px 22px 0; }
  .footer__credit { padding: 0 22px; }

  .wa-float { right: 16px; bottom: 16px; }
}

/* ---------- Mobile pequeno (≤ 420px) ---------- */
@media (max-width: 420px) {
  .product-card { width: 84vw; }
  .value-card { width: 80vw; }
  .kit-card { width: 78vw; }
  .footer__social { flex-direction: column; }
  .social { justify-content: center; }
}