/* ═══════════════════════════════════════════════════════════════════════
   Orbe — anel inteligente de titânio
   Tokens medidos ao vivo no apple.com (handoff/design-dna/tokens.css).
   Sem frameworks, sem fontes remotas, sem gradients decorativos.
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  /* ── superfícies (só três: branco, near-white, preto) ── */
  --bg:            #ffffff;
  --bg-tertiary:   #f5f5f7;
  --bg-dark:       #000000;
  /* pretos de estúdio: medidos nos cantos de cada foto, para a imagem
     fundir no fundo da seção sem nenhuma emenda visível */
  --bg-studio:       #0b0e13;  /* hero-orbe.png    */
  --bg-studio-warm:  #0a0d0e;  /* orbe-finishes.png */
  --bg-studio-deep:  #060708;  /* orbe-sensors.png  */
  --nav-bg:        rgba(255, 255, 255, 0.72);
  --nav-bg-solid:  rgba(255, 255, 255, 0.88);

  /* ── tinta ── */
  --fg:            #1d1d1f;
  --fg-secondary:  #6e6e73;
  --fg-on-dark:    #f5f5f7;
  --fg-on-dark-2:  #a1a1a6;
  --fg-footer:     rgba(0, 0, 0, 0.56);
  --fg-footer-link: rgba(0, 0, 0, 0.72);

  /* ── acento ── */
  --accent:        #0066cc;
  --accent-dark:   #2997ff;
  --accent-fill:   #0071e3;
  --accent-fill-h: #0077ed;
  --focus-ring:    #0071e3;

  /* ── tipografia (SF Pro → system stack, zero download) ── */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;

  --ls-display:    -0.374px;
  --ls-ui:         -0.12px;
  --fw-semibold:   600;
  --fw-regular:    400;

  /* ── estrutura ── */
  --nav-height:    48px;
  --container:     1280px;
  --copy-width:    468px;

  /* ── ritmo vertical (respiro Apple) ── */
  --section-y:     clamp(72px, 9vw, 130px);
  --gutter:        clamp(22px, 5vw, 48px);

  /* ── movimento ── */
  --ease-nav:      cubic-bezier(0.4, 0, 0.6, 1);
  --ease-reveal:   cubic-bezier(0.28, 0.11, 0.32, 1);
  --dur-medium:    320ms;
  --dur-slow:      800ms;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-display);
  color: var(--fg);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--accent-fill); color: #fff; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 2px;
}

/* barra de rolagem discreta (WebKit) */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(110, 110, 115, 0.4);
  border: 3px solid transparent;
  background-clip: content-box;
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(110, 110, 115, 0.7); background-clip: content-box; }

/* ═══ NAV GLOBAL — fina, fixa, translúcida ═════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(1.8) blur(20px);
  backdrop-filter: saturate(1.8) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background var(--dur-medium) var(--ease-nav),
              border-color var(--dur-medium) var(--ease-nav);
}
.nav.is-scrolled { background: var(--nav-bg-solid); border-bottom-color: rgba(0, 0, 0, 0.12); }

/* sobre seção escura a nav inverte — o mesmo blur, tinta invertida */
.nav.is-over-dark {
  background: rgba(0, 0, 0, 0.66);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.nav.is-over-dark .nav__brand { color: rgba(255, 255, 255, 0.92); }
.nav.is-over-dark .nav__items a { color: rgba(255, 255, 255, 0.86); }
.nav.is-over-dark .nav__items a:hover { color: rgba(255, 255, 255, 0.5); }
.nav.is-over-dark .nav__mark { border-color: rgba(255, 255, 255, 0.86); }

.nav__inner {
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
}

.nav__brand {
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-ui);
  color: rgba(0, 0, 0, 0.88);
  white-space: nowrap;
  transition: opacity var(--dur-medium) var(--ease-nav);
}
.nav__brand:hover { opacity: 0.6; }

.nav__items {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 30px);
  margin-left: auto;
}
.nav__items a {
  font-size: 12px;
  line-height: 1.33;
  letter-spacing: var(--ls-ui);
  color: rgba(0, 0, 0, 0.8);
  white-space: nowrap;
  transition: color var(--dur-medium) var(--ease-nav);
}
.nav__items a:hover { color: rgba(0, 0, 0, 0.45); }

.nav__mark {
  width: 13px; height: 13px;
  border: 1.5px solid rgba(0, 0, 0, 0.8);
  border-radius: 50%;
  flex: none;
}

/* botão-hambúrguer: só existe no mobile (ver bloco ≤600px) */
.nav__toggle { display: none; }

/* ═══ PRIMITIVAS DE TEXTO ══════════════════════════════════════════════ */
.h-display {
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.07;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-display);
  text-wrap: balance;
}

.sub {
  font-size: clamp(19px, 1.65vw, 21px);
  line-height: 1.28;
  font-weight: var(--fw-regular);
  max-width: 620px;
}
.sub--wide   { max-width: 700px; }
.sub--narrow { max-width: var(--copy-width); }

.tile--dark .sub,
.water .sub { color: var(--fg-on-dark); }

/* CTAs — link de texto com chevron (Apple) + pill de compra */
.link {
  display: inline-flex;
  align-items: center;
  font-size: 17px;
  color: var(--accent);
  transition: opacity var(--dur-medium) var(--ease-nav);
}
.link:hover { text-decoration: underline; text-underline-offset: 3px; }
.link--dark { color: var(--accent-dark); }
.chev {
  margin-left: 3px;
  transform: translateX(0);
  transition: transform 260ms var(--ease-reveal);
}
.link:hover .chev { transform: translateX(3px); }

.btn--pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 980px;
  background: var(--accent-fill);
  color: #fff;
  font-size: 17px;
  line-height: 1;
  letter-spacing: var(--ls-display);
  transition: background var(--dur-medium) var(--ease-nav),
              transform 260ms var(--ease-reveal);
}
.btn--pill:hover { background: var(--accent-fill-h); }
.btn--pill:active { transform: scale(0.975); }

/* ═══ HERO ═════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  background: var(--bg-studio);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: center;
  align-items: center;
  row-gap: clamp(8px, 1.6vh, 20px);
  padding: calc(var(--nav-height) + clamp(30px, 5.5vh, 62px)) var(--gutter) clamp(40px, 6vh, 68px);
  overflow: hidden;
  isolation: isolate;
}

/* o produto ocupa a faixa central: sem cover, sem corte, sem colidir com o texto */
.hero__media {
  grid-row: 2;
  position: relative;
  z-index: 0;
  width: 100vw;               /* sangra até as bordas: sem faixa lateral */
  margin-left: calc(50% - 50vw);
  height: 100%;
  min-height: 0;
  will-change: transform;
}
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 52%;
  /* o anel domina o viewport; o corte vertical do estúdio se dissolve
     no fundo da seção — sem emenda */
  --hero-scale: 1.12;
  transform: scale(var(--hero-scale));
  opacity: 0;
  animation: heroIn 1700ms var(--ease-reveal) 100ms forwards;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 15%, #000 91%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, #000 15%, #000 91%, transparent 100%);
}
@keyframes heroIn {
  from { opacity: 0; transform: scale(calc(var(--hero-scale) * 0.94)); }
  to   { opacity: 1; transform: scale(var(--hero-scale)); }
}

.hero__copy {
  grid-row: 1;
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  max-width: 900px;
}

.hero__eyebrow {
  font-size: 21px;
  font-weight: var(--fw-semibold);
  color: var(--fg-on-dark-2);
  margin-bottom: 10px;
}
.hero__headline {
  font-size: clamp(44px, 7.2vw, 96px);
  line-height: 1.03;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.hero__sub {
  margin: 18px auto 0;
  max-width: 620px;
  font-size: clamp(19px, 1.9vw, 25px);
  line-height: 1.28;
  color: var(--fg-on-dark);
}
.hero__offer {
  margin: 20px auto 0;
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid rgba(245, 245, 247, 0.28);
  border-radius: 980px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--fg-on-dark-2);
}

.hero__actions {
  grid-row: 3;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ═══ TILE GENÉRICO ════════════════════════════════════════════════════ */
.tile {
  position: relative;
  padding: var(--section-y) var(--gutter);
  overflow: hidden;
}
.tile--dark      { background: var(--bg-studio-warm); color: #fff; }
.tile--light     { background: var(--bg); color: var(--fg); }
.tile--tertiary  { background: var(--bg-tertiary); color: var(--fg); }

.tile__head {
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}
.tile__head .sub { margin: 18px auto 0; color: var(--fg-on-dark); }

/* imagem de estúdio escura funde com o fundo preto (máscara nas bordas) */
.tile__media {
  max-width: 1180px;
  margin: clamp(18px, 3vw, 42px) auto 0;
}
.tile__media img { width: 100%; }

/* bordas das fotos de estúdio dissolvem no fundo da seção — zero emenda */
.tile__media img,
.split__media img {
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 9%, #000 91%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 9%, #000 91%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 9%, #000 91%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 9%, #000 91%, transparent 100%);
  mask-composite: intersect;
}

/* ── acabamentos ── */
.finishes {
  max-width: var(--container);
  margin: clamp(10px, 2vw, 28px) auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 52px);
}
.finishes h3 {
  font-size: 21px;
  font-weight: var(--fw-semibold);
  margin-bottom: 7px;
}
.finishes p {
  font-size: 17px;
  line-height: 1.47;
  color: var(--fg-on-dark-2);
  max-width: 34ch;
}
.finishes li { position: relative; padding-top: 20px; }
.finishes li::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 34px; height: 1px;
  background: rgba(245, 245, 247, 0.32);
}

/* ═══ BANDA DE TEXTURA (parallax) ══════════════════════════════════════ */
.band {
  position: relative;
  height: clamp(300px, 46vh, 520px);
  background: var(--bg-dark);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.band__media {
  position: absolute;
  inset: -14% 0;
  will-change: transform;
}
.band__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.72;
}
.band__line {
  position: relative;
  z-index: 1;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.07;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-display);
  color: #fff;
  text-align: center;
  padding: 0 var(--gutter);
  text-shadow: 0 1px 40px rgba(0, 0, 0, 0.55);
}

/* ═══ SAÚDE — split 50/50, imagem sangrando ════════════════════════════ */
#saude { background: var(--bg-studio-deep); }

/* full-bleed com conteúdo centrado no container — o fundo nunca é cortado */
.split, .sleep, .pay {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-left: max(var(--gutter), calc((100% - var(--container)) / 2));
  padding-right: max(var(--gutter), calc((100% - var(--container)) / 2));
}
.split { gap: clamp(28px, 5vw, 84px); }
.split__media img { width: 100%; }
.split__copy .sub { margin-top: 18px; }

.features { margin-top: clamp(26px, 3vw, 44px); display: grid; gap: 22px; }
.feature { border-top: 1px solid rgba(245, 245, 247, 0.16); padding-top: 14px; }
.feature dt {
  font-size: 17px;
  font-weight: var(--fw-semibold);
  margin-bottom: 4px;
}
.feature dd { font-size: 17px; line-height: 1.47; color: var(--fg-on-dark-2); }

/* ═══ SONO — tipografia + gráfico autoral ══════════════════════════════ */
.sleep { gap: clamp(30px, 5vw, 80px); }
.sleep__copy .sub { margin-top: 18px; color: var(--fg-secondary); }

.sleep__chart {
  background: var(--bg);
  border: 1px solid #e8e8ed;
  padding: clamp(24px, 3vw, 40px);
}
.score { display: flex; align-items: baseline; gap: 10px; margin-bottom: 30px; }
.score__num {
  font-size: clamp(52px, 6vw, 80px);
  line-height: 1;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.score__label { font-size: 14px; color: var(--fg-secondary); }

.stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: end;
  height: 190px;
}
.stage { display: flex; flex-direction: column; justify-content: flex-end; height: 100%; gap: 10px; }
.stage span {
  display: block;
  height: var(--h);
  background: var(--fg);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--dur-slow) var(--ease-reveal);
}
.stage:nth-child(2) span { background: var(--accent-fill); transition-delay: 90ms; }
.stage:nth-child(3) span { background: #6e6e73; transition-delay: 180ms; }
.stage:nth-child(4) span { background: #c7c7cc; transition-delay: 270ms; }
.sleep__chart.is-visible .stage span { transform: scaleY(1); }
.stage em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: var(--ls-ui);
  color: var(--fg-secondary);
}

/* ═══ BATERIA / ÁGUA — full-bleed ══════════════════════════════════════ */
.water {
  min-height: 92svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--section-y) + 10px);
  padding-bottom: calc(var(--section-y) + 10px);
}
.water__media {
  position: absolute;
  inset: -8% 0;
  z-index: 0;
  will-change: transform;
}
.water__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 78% center;
}
/* scrim de conteúdo (camada de leitura, não decoração): abre um campo
   escuro à esquerda para o texto — o respingo continua íntegro à direita */
.water::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(100deg,
    rgba(0, 0, 0, 0.94) 0%,
    rgba(0, 0, 0, 0.82) 30%,
    rgba(0, 0, 0, 0.38) 50%,
    rgba(0, 0, 0, 0) 68%);
}
.water__copy {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}
.water .h-display,
.water .sub { max-width: 460px; }
.water .h-display { margin-bottom: 4px; }
.water__stats {
  margin-top: clamp(34px, 4.5vw, 62px);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(34px, 6vw, 96px);
}
.bigstat { display: flex; flex-direction: column; gap: 6px; }
.bigstat__num {
  font-size: clamp(46px, 6.4vw, 88px);
  line-height: 1;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.025em;
  color: #fff;
}
.bigstat__label { font-size: 17px; color: var(--fg-on-dark-2); }

/* ═══ PAGAMENTO — branco + ondas NFC ═══════════════════════════════════ */
.pay { gap: clamp(30px, 5vw, 80px); }
.pay__copy .sub { margin-top: 18px; color: var(--fg-secondary); }

.pay__nfc {
  position: relative;
  height: clamp(220px, 26vw, 320px);
  display: grid;
  place-items: center;
}
.pay__nfc .ring {
  width: 74px; height: 74px;
  border: 6px solid var(--fg);
  border-radius: 50%;
}
.pay__nfc .ripple {
  position: absolute;
  width: 74px; height: 74px;
  border: 1.5px solid var(--accent-fill);
  border-radius: 50%;
  opacity: 0;
}
.pay.is-visible .ripple { animation: ripple 3s var(--ease-reveal) infinite; }
.pay.is-visible .ripple:nth-child(2) { animation-delay: 1s; }
.pay.is-visible .ripple:nth-child(3) { animation-delay: 2s; }
@keyframes ripple {
  0%   { transform: scale(1);   opacity: 0.7; }
  70%  { opacity: 0.12; }
  100% { transform: scale(3.6); opacity: 0; }
}

/* ═══ STATS — grid 2-up ════════════════════════════════════════════════ */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 12px;
  background: var(--bg-tertiary);
}
.stat {
  padding: clamp(34px, 4.5vw, 68px) clamp(26px, 3.4vw, 52px);
  min-height: clamp(260px, 26vw, 360px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stat--light { background: var(--bg); color: var(--fg); }
.stat--dark  { background: var(--bg-dark); color: #fff; }

.stat__label {
  font-size: 12px;
  line-height: 1.33;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-secondary);
}
.stat--dark .stat__label { color: var(--fg-on-dark-2); }

.stat__value {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(56px, 8vw, 112px);
  line-height: 1;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  margin: clamp(20px, 3vw, 40px) 0;
}
.stat__unit {
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-display);
  color: var(--fg-secondary);
}
.stat--dark .stat__unit { color: var(--fg-on-dark-2); }

.stat__caption { font-size: 17px; line-height: 1.47; max-width: 34ch; color: var(--fg-secondary); }
.stat--dark .stat__caption { color: var(--fg-on-dark); }

/* ═══ CTA FINAL ════════════════════════════════════════════════════════ */
.cta {
  background: var(--bg);
  padding: clamp(90px, 12vw, 170px) var(--gutter);
  text-align: center;
}
.cta__headline {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.07;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-display);
  text-wrap: balance;
}
.cta__price { margin-top: 26px; display: flex; flex-direction: column; gap: 4px; }
.cta__full {
  font-size: clamp(24px, 2.4vw, 28px);
  font-weight: var(--fw-semibold);
}
.cta__installment { font-size: 17px; color: var(--fg-secondary); }

.cta__actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
}
.cta__subline { margin-top: 26px; font-size: 14px; color: var(--fg-secondary); }

/* ═══ FOOTER ═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-tertiary);
  padding: clamp(34px, 4vw, 52px) var(--gutter) clamp(30px, 3.4vw, 44px);
  font-size: 12px;
  line-height: 1.33;
  color: var(--fg-footer);
}
.footer__inner { max-width: var(--container); margin: 0 auto; }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid #d2d2d7;
}
.footer__col h3 {
  font-size: 12px;
  font-weight: var(--fw-semibold);
  color: var(--fg-footer);
  margin-bottom: 10px;
}
.footer__col li { margin-bottom: 8px; }
.footer__col a {
  color: var(--fg-footer-link);
  transition: color var(--dur-medium) var(--ease-nav);
}
.footer__col a:hover { color: var(--fg); text-decoration: underline; text-underline-offset: 2px; }

.footer__disclaimer {
  padding: 18px 0;
  max-width: 760px;
  border-bottom: 1px solid #d2d2d7;
}
.footer__bar {
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__brand { color: var(--fg-footer-link); }

/* ═══ REVEAL NO SCROLL ═════════════════════════════════════════════════ */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  transition: opacity 700ms var(--ease-reveal), transform 700ms var(--ease-reveal);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ═══ RESPONSIVO ═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .finishes { grid-template-columns: 1fr; gap: 26px; }
  .finishes p { max-width: 60ch; }
}

@media (max-width: 834px) {
  :root { --nav-height: 46px; }

  .nav__items { gap: 12px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
  .nav__items::-webkit-scrollbar { display: none; }
  .nav__mark { display: none; }

  .split, .sleep, .pay { grid-template-columns: 1fr; }
  .split__media { order: -1; }
  .sleep__chart { order: 2; }

  .hero { row-gap: clamp(14px, 3vh, 32px); }
  .hero__media img { --hero-scale: 1.35; object-position: center 55%; }

  .stats { grid-template-columns: 1fr; }
  .stat { min-height: 0; }

  .water { min-height: 0; }
  .water__media img { object-position: 66% center; opacity: 0.72; }

  .footer__cols { grid-template-columns: 1fr 1fr; gap: 22px 18px; }
}

/* mobile: a régua de links colapsa num menu — nada de link fora do viewport */
@media (max-width: 600px) {
  .nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    width: 34px; height: 34px;
    margin-right: -8px;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .nav__toggle-bars,
  .nav__toggle-bars::before,
  .nav__toggle-bars::after {
    content: '';
    display: block;
    width: 17px; height: 1.5px;
    border-radius: 2px;
    background: rgba(0, 0, 0, 0.85);
    transition: transform var(--dur-medium) var(--ease-nav),
                opacity var(--dur-medium) var(--ease-nav),
                background var(--dur-medium) var(--ease-nav);
  }
  .nav__toggle-bars::before { transform: translateY(-5px); }
  .nav__toggle-bars::after  { transform: translateY(3.5px); }
  .nav.is-over-dark .nav__toggle-bars,
  .nav.is-over-dark .nav__toggle-bars::before,
  .nav.is-over-dark .nav__toggle-bars::after { background: rgba(255, 255, 255, 0.88); }

  .nav.is-menu-open .nav__toggle-bars { background: transparent; }
  .nav.is-menu-open .nav__toggle-bars::before { transform: translateY(0) rotate(45deg); }
  .nav.is-menu-open .nav__toggle-bars::after  { transform: translateY(-1.5px) rotate(-45deg); }

  .nav__items {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    display: block;
    margin-left: 0;
    padding: 4px var(--gutter) 14px;
    /* painel sólido: aninhado na nav, o backdrop-filter não pega o fundo da página */
    background: #fafafc;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    overflow: hidden auto;
    max-height: calc(100dvh - var(--nav-height));
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--dur-medium) var(--ease-nav),
                transform var(--dur-medium) var(--ease-nav),
                visibility var(--dur-medium) var(--ease-nav);
  }
  .nav.is-over-dark .nav__items {
    background: #0c0c0e;
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  .nav.is-menu-open .nav__items {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav__items li + li { border-top: 1px solid rgba(0, 0, 0, 0.08); }
  .nav.is-over-dark .nav__items li + li { border-top-color: rgba(255, 255, 255, 0.1); }
  .nav__items a {
    display: block;
    padding: 13px 0;
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .nav__brand { font-size: 12px; }
  .hero__actions { flex-direction: column; align-items: stretch; text-align: center; width: 100%; max-width: 420px; }
  .hero__actions .link { justify-content: center; }
  .btn--pill { width: 100%; }
  .cta__actions { flex-direction: column; }
  .footer__cols { grid-template-columns: 1fr; }
  .stages { height: 150px; }
}

/* ═══ ACESSIBILIDADE — movimento reduzido ══════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__media img { opacity: 1; }
  .stage span { transform: scaleY(1); }
}