/* =========================================================
   DOUTOR AR — Especialista em Refrigeração
   Design system
   ========================================================= */
:root {
  --navy: #071827;
  --petrol: #0D293D;
  --ice: #F7F9FA;
  --grey: #A7B1BA;
  --tech: #16B8E8;
  --graphite: #17212B;

  --ink: #0E1A24;
  --ink-soft: #4A5865;
  --line-dark: rgba(247, 249, 250, .10);
  --line-light: rgba(7, 24, 39, .09);

  --font-display: "Manrope", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --radius: 6px;
  --radius-lg: 10px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --header-h: 84px;
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ice);
  background: var(--navy);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
p { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }
::selection { background: var(--tech); color: var(--navy); }
:focus-visible { outline: 2px solid var(--tech); outline-offset: 3px; border-radius: 2px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(96px, 12vw, 168px) 0; position: relative; }
.section--light { background: var(--ice); color: var(--ink); }
.section--light + .section--light { padding-top: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--grey);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--tech); }
.section--light .eyebrow { color: var(--ink-soft); }

.section-title { font-size: clamp(34px, 4.6vw, 60px); font-weight: 600; letter-spacing: -.035em; }
.section-lead { font-size: clamp(16px, 1.3vw, 18px); color: var(--grey); max-width: 460px; line-height: 1.7; }
.section--light .section-lead { color: var(--ink-soft); }

.section-head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: end;
  gap: 48px;
  margin-bottom: clamp(56px, 7vw, 96px);
}
.section-head--center { display: block; text-align: center; max-width: 760px; margin-left: auto; margin-right: auto; }
.section-head--center .eyebrow::after { content: ""; width: 28px; height: 1px; background: var(--tech); }

/* ---------- Buttons ---------- */
.btn {
  --h: 46px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--h); padding: 0 22px;
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
  border-radius: var(--radius);
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
}
.btn .ico { width: 16px; height: 16px; transition: transform .35s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }
.btn--lg { --h: 56px; padding: 0 30px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--tech); color: var(--navy); }
.btn--primary:hover { background: #3ac6f0; box-shadow: 0 10px 30px -12px rgba(22, 184, 232, .55); }
.btn--ghost { border: 1px solid rgba(247, 249, 250, .28); color: var(--ice); }
.btn--ghost:hover { border-color: var(--ice); background: rgba(247, 249, 250, .06); }
.btn--light { background: var(--ice); color: var(--navy); }
.btn--shop { background: var(--ice); color: var(--navy); }
.btn--shop .ico { width: 18px; height: 18px; }
.btn--shop:hover { background: #fff; box-shadow: 0 10px 30px -12px rgba(247, 249, 250, .5); }
.btn--shop:hover .ico { transform: none; }
.btn--light:hover { background: #fff; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  height: var(--header-h);
  transition: height .45s var(--ease), background-color .45s var(--ease), border-color .45s var(--ease), backdrop-filter .45s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  --header-h: 68px;
  background: rgba(7, 24, 39, .72);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: var(--line-dark);
}
.header__inner { height: 100%; display: flex; align-items: center; gap: 40px; }

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand__logo { height: 70px; width: auto; transition: height .45s var(--ease); }
.header.is-scrolled .brand__logo { height: 56px; }
.brand--footer .brand__logo { height: 84px; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: clamp(18px, 2vw, 32px); }
.nav__link {
  position: relative; font-size: 14px; color: rgba(247, 249, 250, .72);
  padding: 6px 0; transition: color .3s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--tech); transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.nav__link:hover, .nav__link.is-active { color: var(--ice); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__cta-mobile { display: none; }
.nav__link--shop {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px 8px 14px;
  border: 1px solid rgba(22, 184, 232, .6); border-radius: 40px;
  background: rgba(22, 184, 232, .1); color: var(--ice);
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  animation: shopGlow 3.2s var(--ease) infinite;
}
.nav__link--shop .ico { width: 16px; height: 16px; color: var(--tech); transition: color .35s var(--ease); }
.nav__link--shop::after { display: none; }
.nav__link--shop:hover, .nav__link--shop.is-active { background: var(--tech); border-color: var(--tech); color: var(--navy); animation: none; }
.nav__link--shop:hover .ico, .nav__link--shop.is-active .ico { color: var(--navy); }
@keyframes shopGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22, 184, 232, 0); }
  50% { box-shadow: 0 0 0 5px rgba(22, 184, 232, .12), 0 0 22px -4px rgba(22, 184, 232, .5); }
}
.header__shop { display: none; }
.header__cta { --h: 42px; padding: 0 18px; font-size: 12px; }

.burger { display: none; width: 44px; height: 44px; position: relative; margin-left: auto; flex-shrink: 0; }
.burger span {
  position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ice);
  transition: transform .45s var(--ease-out), top .45s var(--ease-out);
}
.burger span:nth-child(1) { top: 18px; }
.burger span:nth-child(2) { top: 25px; }
.burger[aria-expanded="true"] span:nth-child(1) { top: 21.5px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { top: 21.5px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: calc(var(--header-h) + 60px) 0 48px;
  overflow: hidden; isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 60% 50%;
  background: #071827 url("../assets/video/hero-poster.jpg") center / cover no-repeat;
}
.hero__video::-webkit-media-controls { display: none !important; }
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 24, 39, .5) 0%, rgba(7, 24, 39, 0) 28%, rgba(7, 24, 39, .2) 62%, rgba(7, 24, 39, .95) 100%),
    linear-gradient(90deg, rgba(7, 24, 39, .72) 0%, rgba(7, 24, 39, .25) 45%, rgba(7, 24, 39, 0) 70%);
}
.hero__content { padding-bottom: clamp(40px, 6vh, 80px); }
.hero__title {
  font-size: clamp(44px, min(8.2vw, 10.5vh), 116px);
  font-weight: 500; letter-spacing: -.045em; line-height: .98;
  max-width: 12ch;
}
.hero__title span { color: var(--grey); font-weight: 300; }
.hero__lead { margin-top: 32px; max-width: 480px; font-size: clamp(16px, 1.35vw, 19px); color: rgba(247, 249, 250, .78); line-height: 1.65; }
.hero__actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero__meta {
  display: flex; align-items: flex-end; justify-content: space-between;
  padding-top: 32px; border-top: 1px solid var(--line-dark);
}
.hero__stats { display: flex; gap: clamp(32px, 6vw, 96px); margin: 0; }
.hero__stats dt { font-family: var(--font-display); font-size: clamp(26px, 2.6vw, 36px); font-weight: 500; letter-spacing: -.03em; }
.hero__stats dd { margin: 4px 0 0; font-size: 13px; color: var(--grey); }

.scroll-cue { width: 26px; height: 42px; border: 1px solid rgba(247, 249, 250, .3); border-radius: 14px; position: relative; }
.scroll-cue span { position: absolute; left: 50%; top: 9px; width: 2px; height: 7px; margin-left: -1px; background: var(--ice); border-radius: 2px; animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- Manifesto ---------- */
.manifesto { background: var(--navy); }
.manifesto__grid { display: grid; grid-template-columns: 1fr 3fr; gap: 48px; }
.manifesto__text {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.3vw, 46px);
  font-weight: 400; line-height: 1.28; letter-spacing: -.025em;
  color: rgba(247, 249, 250, .5);
}
.manifesto__text em { font-style: normal; color: var(--ice); }

/* ---------- Services ---------- */
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-light); }
.service {
  position: relative; padding: 44px 32px 48px 0;
  border-right: 1px solid var(--line-light);
  transition: background-color .5s var(--ease);
}
.service + .service { padding-left: 32px; }
.service:last-child { border-right: 0; }
.service::before {
  content: ""; position: absolute; top: -1px; left: 0; height: 1px; width: 100%;
  background: var(--tech); transform: scaleX(0); transform-origin: left;
  transition: transform .7s var(--ease-out);
}
.service:hover::before { transform: scaleX(1); }
.service__num { font-size: 12px; letter-spacing: .14em; color: var(--grey); }
.service__ico {
  width: 40px; height: 40px; margin: 40px 0 32px;
  fill: none; stroke: var(--ink); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round;
  transition: stroke .4s var(--ease), transform .6s var(--ease-out);
}
.service:hover .service__ico { stroke: var(--tech); transform: translateY(-4px); }
.service h3 { font-size: 22px; letter-spacing: -.02em; margin-bottom: 14px; }
.service p { font-size: 15px; color: var(--ink-soft); }
.service__list { margin-top: 28px; display: grid; gap: 10px; }
.service__list li { font-size: 13.5px; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.service__list li::before { content: ""; width: 12px; height: 1px; background: var(--grey); }

/* ---------- Process ---------- */
.process { padding-top: clamp(40px, 6vw, 80px) !important; }
.process__steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; counter-reset: s; position: relative; }
.process__steps::before {
  content: ""; position: absolute; top: 22px; left: 22px; right: 22px; height: 1px;
  background: linear-gradient(90deg, var(--line-light), rgba(7, 24, 39, .18), var(--line-light));
}
.process__steps li { position: relative; }
.process__steps span {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--ice); border: 1px solid rgba(7, 24, 39, .16);
  font-size: 12px; font-weight: 500; letter-spacing: .06em; color: var(--ink);
  margin-bottom: 28px; position: relative;
  transition: border-color .4s var(--ease), color .4s var(--ease), background-color .4s var(--ease);
}
.process__steps li:hover span { border-color: var(--tech); color: var(--navy); background: #fff; }
.process__steps h4 { font-size: 18px; margin-bottom: 10px; }
.process__steps p { font-size: 14.5px; color: var(--ink-soft); max-width: 220px; }

/* ---------- Shop ---------- */
.shop { background: linear-gradient(180deg, var(--navy) 0%, var(--petrol) 100%); }
.tabs { position: relative; display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line-dark); border-radius: 8px; margin-bottom: 48px; }
.tab {
  position: relative; z-index: 1; height: 38px; padding: 0 20px;
  font-size: 13px; color: var(--grey); border-radius: 5px;
  transition: color .35s var(--ease);
}
.tab.is-active { color: var(--navy); }
.tabs__indicator {
  position: absolute; top: 4px; bottom: 4px; left: 0; width: 0;
  background: var(--ice); border-radius: 5px;
  transition: transform .5s var(--ease-out), width .5s var(--ease-out);
}

.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product {
  position: relative; display: flex; flex-direction: column;
  border: 1px solid var(--line-dark); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(247, 249, 250, .035), rgba(247, 249, 250, .01));
  overflow: hidden;
  transition: border-color .5s var(--ease), transform .6s var(--ease-out), opacity .4s var(--ease);
}
.product:hover { border-color: rgba(247, 249, 250, .22); transform: translateY(-4px); }
.product.is-hidden { display: none; }
.product__stage {
  position: relative; aspect-ratio: 16 / 10;
  display: grid; place-items: center; padding: 0 12%;
  background: radial-gradient(90% 70% at 50% 40%, #FFFFFF 0%, #EEF2F5 55%, #DDE3E8 100%);
  overflow: hidden;
}
.product__stage--dark { background: radial-gradient(90% 70% at 50% 40%, #33414E 0%, #1E2934 55%, #131B23 100%); }
.product__stage svg { width: 100%; transition: transform .9s var(--ease-out); }
.product:hover .product__stage svg { transform: scale(1.045); }
.product__tag {
  position: absolute; top: 16px; left: 16px;
  font-size: 10.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 4px;
  background: rgba(7, 24, 39, .88); color: var(--ice);
}
.product__tag--semi { background: rgba(255, 255, 255, .9); color: var(--navy); border: 1px solid rgba(7, 24, 39, .1); }
.product__body { padding: 28px 28px 30px; display: flex; flex-direction: column; flex: 1; }
.product__type { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); }
.product__name { font-size: 22px; margin: 8px 0 18px; letter-spacing: -.02em; }
.product__specs { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13.5px; color: rgba(247, 249, 250, .7); padding-bottom: 24px; border-bottom: 1px solid var(--line-dark); }
.product__specs li { display: flex; align-items: center; gap: 8px; }
.product__specs li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--tech); }
.product__foot { margin-top: auto; padding-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.product__price small { display: block; font-size: 11.5px; color: var(--grey); letter-spacing: .04em; }
.product__price strong { font-family: var(--font-display); font-size: 17px; font-weight: 600; }
.product__link { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ice); border-bottom: 1px solid rgba(247, 249, 250, .3); padding-bottom: 3px; transition: border-color .3s var(--ease), color .3s var(--ease); }
.product__link:hover { color: var(--tech); border-color: var(--tech); }
.product__link svg { width: 14px; height: 14px; }

.shop__note {
  margin-top: 64px; padding: 40px 44px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  border: 1px solid var(--line-dark); border-radius: var(--radius-lg);
  background: linear-gradient(110deg, rgba(22, 184, 232, .07), rgba(22, 184, 232, 0) 55%);
}
.shop__note h3 { font-size: 22px; margin-bottom: 8px; }
.shop__note p { color: var(--grey); font-size: 15px; max-width: 520px; }

/* ---------- Segments ---------- */
.segments { padding-top: clamp(96px, 12vw, 168px) !important; }
.segments__grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 20px; }
.segment {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  min-height: 380px; display: flex; align-items: flex-end; color: var(--ice); isolation: isolate;
}
.segment--lg { grid-column: span 3; min-height: 520px; }
.segment__img {
  position: absolute; inset: 0; z-index: -2;
  background: var(--img) center / cover no-repeat, linear-gradient(135deg, #1a3448, #0D293D 60%, #17212B);
  transition: transform 1.4s var(--ease-out);
}
.segment::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(7, 24, 39, 0) 30%, rgba(7, 24, 39, .88) 100%); }
.segment:hover .segment__img { transform: scale(1.04); }
.segment__body { padding: 36px; max-width: 520px; }
.segment__body span { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--grey); }
.segment__body h3 { font-size: clamp(22px, 2.2vw, 30px); margin: 12px 0 10px; }
.segment--lg .segment__body h3 { font-size: clamp(28px, 3.4vw, 44px); }
.segment__body p { font-size: 15px; color: rgba(247, 249, 250, .75); }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 7vw, 120px); align-items: center; }
.about__visual { position: relative; }
.about__img {
  aspect-ratio: 4 / 5; border-radius: var(--radius-lg);
  background: var(--img) center / cover no-repeat, linear-gradient(160deg, #1a3448, #0D293D 60%, #17212B);
}
.about__badge {
  position: absolute; right: -28px; bottom: 40px; width: 260px;
  padding: 22px 22px 24px; border-radius: var(--radius-lg);
  background: rgba(247, 249, 250, .96); color: var(--ink);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .5);
}
.about__badge svg { width: 100%; margin-bottom: 8px; }
.about__badge p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.about__badge strong { color: var(--ink); font-weight: 600; }
.about__content > p { color: rgba(247, 249, 250, .72); font-size: 16.5px; margin-top: 24px; max-width: 540px; }
.about__content .section-title { font-size: clamp(30px, 3.6vw, 48px); }
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 40px; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line-dark); }
.pillars h4 { font-size: 17px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.pillars h4::before { content: ""; width: 6px; height: 6px; border: 1px solid var(--tech); border-radius: 50%; }
.pillars p { font-size: 14.5px; color: var(--grey); }

/* ---------- Testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote {
  margin: 0; padding: 40px 36px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid var(--line-light);
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  transition: box-shadow .5s var(--ease), transform .6s var(--ease-out);
}
.quote:hover { box-shadow: 0 24px 50px -32px rgba(7, 24, 39, .35); transform: translateY(-3px); }
.quote blockquote { margin: 0; font-family: var(--font-display); font-size: 19px; line-height: 1.5; letter-spacing: -.012em; color: var(--ink); }
.quote figcaption { display: flex; flex-direction: column; font-size: 14px; padding-top: 24px; border-top: 1px solid var(--line-light); }
.quote figcaption strong { font-weight: 600; }
.quote figcaption span { color: var(--ink-soft); font-size: 13px; }

/* ---------- Region ---------- */
.region { background: var(--graphite); }
.region__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.region .section-title { font-size: clamp(30px, 3.6vw, 48px); }
.region .section-lead { margin-top: 24px; }
.cities { display: flex; flex-wrap: wrap; gap: 10px; }
.cities li {
  font-size: 14px; padding: 10px 18px; border-radius: 40px;
  border: 1px solid var(--line-dark); color: rgba(247, 249, 250, .8);
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.cities li:first-child { border-color: var(--tech); color: var(--ice); }
.cities li:hover { border-color: rgba(247, 249, 250, .4); color: var(--ice); }
.cities li a { display: block; margin: -10px -18px; padding: 10px 18px; }
.cities li:has(a) { border-color: rgba(22, 184, 232, .45); }
.cities li:last-child { border-style: dashed; color: var(--grey); }

/* ---------- FAQ ---------- */
.faq { padding-top: clamp(96px, 12vw, 168px) !important; }
.faq__grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; }
.faq__list { border-top: 1px solid var(--line-light); }
.faq details { border-bottom: 1px solid var(--line-light); }
.faq summary {
  list-style: none; cursor: pointer; padding: 28px 48px 28px 0; position: relative;
  font-family: var(--font-display); font-size: 19px; font-weight: 500; letter-spacing: -.015em;
  transition: color .3s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 1.4px; background: var(--ink);
  transition: transform .45s var(--ease-out), background-color .3s;
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq summary:hover { color: var(--petrol); }
.faq details[open] summary::before, .faq details[open] summary::after { background: var(--tech); }
.faq details p { padding: 0 48px 30px 0; color: var(--ink-soft); font-size: 15.5px; max-width: 640px; animation: fadeDown .5s var(--ease-out); }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- Contact ---------- */
.contact { background: radial-gradient(80% 60% at 85% 0%, rgba(22, 184, 232, .08), transparent 60%), var(--navy); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 7vw, 120px); align-items: start; }
.contact .section-lead { margin-top: 24px; }
.contact__list { margin-top: 56px; display: grid; gap: 28px; }
.contact__list li { display: grid; gap: 4px; padding-bottom: 24px; border-bottom: 1px solid var(--line-dark); }
.contact__list span { font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); }
.contact__list a, .contact__list p { font-family: var(--font-display); font-size: 19px; letter-spacing: -.01em; }
.contact__list a { transition: color .3s var(--ease); }
.contact__list a:hover { color: var(--tech); }

.form {
  padding: clamp(28px, 4vw, 48px); border-radius: var(--radius-lg);
  background: rgba(247, 249, 250, .03); border: 1px solid var(--line-dark);
  display: grid; gap: 22px;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { position: relative; display: block; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ice);
  background: transparent; border: 0; border-bottom: 1px solid rgba(247, 249, 250, .2);
  padding: 26px 0 10px; outline: none; border-radius: 0; resize: vertical;
  transition: border-color .35s var(--ease);
}
.field span {
  position: absolute; left: 0; top: 24px; font-size: 15px; color: var(--grey); pointer-events: none;
  transform-origin: left top; transition: transform .35s var(--ease-out), color .35s var(--ease);
}
.field input:focus, .field textarea:focus { border-color: var(--tech); }
.field input:focus + span, .field input:not(:placeholder-shown) + span,
.field textarea:focus + span, .field textarea:not(:placeholder-shown) + span { transform: translateY(-20px) scale(.78); color: var(--tech); }
.field.is-invalid input { border-color: #e36a6a; }
.chips { border: 0; margin: 6px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); margin-bottom: 14px; padding: 0; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span {
  display: inline-block; font-size: 13.5px; padding: 9px 16px; border-radius: 40px; cursor: pointer;
  border: 1px solid var(--line-dark); color: rgba(247, 249, 250, .75);
  transition: all .3s var(--ease);
}
.chips span:hover { border-color: rgba(247, 249, 250, .35); }
.chips input:checked + span { background: var(--ice); color: var(--navy); border-color: var(--ice); }
.chips input:focus-visible + span { outline: 2px solid var(--tech); outline-offset: 2px; }
.form .btn { margin-top: 10px; }
.form .btn .ico { width: 18px; height: 18px; }
.form .btn:hover .ico { transform: none; }
.form__hint { font-size: 12.5px; color: var(--grey); text-align: center; }

/* ---------- Footer ---------- */
.footer { background: #050F19; border-top: 1px solid var(--line-dark); padding: 80px 0 32px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid var(--line-dark); }
.footer__brand p { color: var(--grey); font-size: 14px; margin-top: 20px; max-width: 320px; }
.footer__warranty { display: flex; align-items: center; gap: 10px; color: var(--ice) !important; }
.footer__warranty span { width: 8px; height: 8px; border-radius: 50%; background: var(--tech); box-shadow: 0 0 0 4px rgba(22, 184, 232, .15); }
.footer__col h4 { font-family: var(--font-body); font-size: 11.5px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); margin-bottom: 20px; }
.footer__col ul { display: grid; gap: 12px; }
.footer__col a { font-size: 14.5px; color: rgba(247, 249, 250, .8); transition: color .3s var(--ease); }
.footer__col a:hover { color: var(--tech); }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; font-size: 13px; color: rgba(167, 177, 186, .7); }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ice); color: var(--navy);
  box-shadow: 0 14px 36px -12px rgba(0, 0, 0, .5);
  transform: translateY(20px) scale(.9); opacity: 0; pointer-events: none;
  transition: transform .5s var(--ease-out), opacity .5s var(--ease), background-color .3s;
}
.wa-float.is-visible { transform: none; opacity: 1; pointer-events: auto; }
.wa-float:hover { background: var(--tech); }
.wa-float svg { width: 26px; height: 26px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
  .service:nth-child(2) { border-right: 0; }
  .service:nth-child(3) { padding-left: 0; }
  .service:nth-child(n+3) { border-top: 1px solid var(--line-light); }
  .products { grid-template-columns: 1fr 1fr; }
  .process__steps { grid-template-columns: repeat(3, 1fr); row-gap: 48px; }
  .process__steps::before { display: none; }
  .nav__list { gap: 26px; }
}

@media (max-width: 900px) {
  :root { --header-h: 72px; }
  .burger { display: block; }
  .header__cta { display: none; }
  .nav {
    position: fixed; inset: 0; z-index: -1;
    background: rgba(7, 24, 39, .98);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    display: flex; flex-direction: column; justify-content: center;
    padding: 96px var(--gutter) 48px;
    opacity: 0; visibility: hidden;
    transition: opacity .5s var(--ease), visibility .5s;
  }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list li { border-bottom: 1px solid var(--line-dark); overflow: hidden; }
  .nav__link {
    display: block; padding: 20px 0; font-family: var(--font-display);
    font-size: 30px; font-weight: 500; letter-spacing: -.03em; color: var(--ice);
    transform: translateY(100%); transition: transform .7s var(--ease-out), color .3s;
  }
  .nav__link::after { display: none; }
  .nav.is-open .nav__link { transform: none; }
  .nav.is-open li:nth-child(2) .nav__link { transition-delay: .05s; }
  .nav.is-open li:nth-child(3) .nav__link { transition-delay: .1s; }
  .nav.is-open li:nth-child(4) .nav__link { transition-delay: .15s; }
  .nav.is-open li:nth-child(5) .nav__link { transition-delay: .2s; }
  .nav__cta-mobile { display: inline-flex; margin-top: 40px; height: 56px; }
  .nav__link--shop {
    display: flex; gap: 14px; padding: 20px 0; margin: 0; border: 0; border-radius: 0;
    background: none; color: var(--tech); animation: none; box-shadow: none;
  }
  .nav__link--shop .ico { width: 26px; height: 26px; }
  .nav__link--shop:hover, .nav__link--shop.is-active { background: none; color: var(--tech); }
  .nav__link--shop:hover .ico, .nav__link--shop.is-active .ico { color: var(--tech); }
  .header__shop {
    display: inline-flex; align-items: center; gap: 7px; margin-left: auto;
    height: 36px; padding: 0 14px 0 11px; border-radius: 40px;
    font-size: 13px; font-weight: 500; color: var(--navy); background: var(--tech);
  }
  .header__shop .ico { width: 15px; height: 15px; }
  .burger { margin-left: 6px; }
  body.menu-open .header__shop { opacity: 0; pointer-events: none; }
  body.menu-open { overflow: hidden; }

  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .manifesto__grid, .about__grid, .region__grid, .faq__grid, .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .manifesto__grid .eyebrow { margin-bottom: 0; }
  .segments__grid, .quotes { grid-template-columns: 1fr; }
  .segment--lg { grid-column: auto; min-height: 440px; }
  .about__badge { right: 16px; bottom: -32px; width: 230px; }
  .about__content { margin-top: 32px; }
  .shop__note { flex-direction: column; align-items: flex-start; padding: 32px 28px; }
}

@media (max-width: 640px) {
  .services__grid, .products { grid-template-columns: 1fr; }
  .service, .service + .service { padding: 36px 0 40px; border-right: 0; }
  .service + .service { border-top: 1px solid var(--line-light); }
  .process__steps { grid-template-columns: 1fr; row-gap: 36px; }
  .hero__stats { gap: 24px; }
  .hero__stats dd { font-size: 12px; }
  .scroll-cue { display: none; }
  .hero__actions .btn { width: 100%; }
  .pillars, .form__row { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 6px; }
  .brand__logo, .header.is-scrolled .brand__logo { height: 46px; }
  .brand--footer .brand__logo { height: 64px; }
  .tabs { display: flex; }
  .tab { flex: 1; padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   COMPONENTES — páginas internas, calculadora e loja
   ========================================================= */
.section { --muted: var(--grey); --line: var(--line-dark); --surface: rgba(247, 249, 250, .03); --text: var(--ice); }
.section--light { --muted: var(--ink-soft); --line: var(--line-light); --surface: #fff; --text: var(--ink); }
.section-title--md { font-size: clamp(28px, 3.4vw, 44px); }

.skip { position: fixed; left: 16px; top: -60px; z-index: 300; padding: 10px 16px; background: var(--tech); color: var(--navy); border-radius: var(--radius); font-size: 14px; transition: top .3s; }
.skip:focus { top: 12px; }
.btn--sm { --h: 38px; padding: 0 16px; font-size: 12px; }
.btn--sm .ico { width: 15px; height: 15px; }
.btn--sm:hover .ico { transform: none; }

/* ---------- Dropdown de serviços ---------- */
.nav__item--drop { position: relative; display: flex; align-items: center; gap: 2px; }
.nav__drop-toggle { width: 22px; height: 22px; display: grid; place-items: center; color: rgba(247, 249, 250, .6); transition: transform .35s var(--ease), color .3s; }
.nav__drop-toggle svg { width: 15px; height: 15px; }
.nav__item--drop:hover .nav__drop-toggle, .nav__item--drop.is-open .nav__drop-toggle { color: var(--ice); transform: rotate(180deg); }
.nav__drop {
  position: absolute; top: calc(100% + 18px); left: 50%; width: 620px;
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 8px;
  padding: 22px; border-radius: var(--radius-lg);
  background: rgba(10, 28, 44, .97); border: 1px solid var(--line-dark);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7);
  opacity: 0; visibility: hidden; transform: translate(-50%, 8px);
  transition: opacity .35s var(--ease), transform .45s var(--ease-out), visibility .35s;
}
.nav__drop::before { content: ""; position: absolute; left: 0; right: 0; top: -20px; height: 20px; }
.nav__item--drop:hover .nav__drop, .nav__item--drop.is-open .nav__drop, .nav__item--drop:focus-within .nav__drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__drop-col > p { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); padding: 0 12px 10px; }
.nav__drop-col a { display: block; padding: 10px 12px; border-radius: 6px; font-size: 14px; color: rgba(247, 249, 250, .82); transition: background-color .25s, color .25s; }
.nav__drop-col a:hover { background: rgba(247, 249, 250, .06); color: var(--ice); }
.nav__drop-svc a strong { display: block; font-weight: 500; color: var(--ice); }
.nav__drop-svc a span { display: block; font-size: 12.5px; color: var(--grey); margin-top: 2px; line-height: 1.45; }
.nav__drop-col--cities { border-left: 1px solid var(--line-dark); padding-left: 8px; }

/* ---------- Página interna: hero ---------- */
.page-hero { position: relative; padding: calc(var(--header-h) + clamp(56px, 8vw, 110px)) 0 clamp(64px, 8vw, 110px); overflow: hidden; isolation: isolate; }
.page-hero__bg { position: absolute; inset: 0; z-index: -1; background: var(--img) 70% 60% / cover no-repeat, var(--navy); }
.page-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7, 24, 39, .96) 0%, rgba(7, 24, 39, .8) 50%, rgba(7, 24, 39, .45) 100%), linear-gradient(180deg, rgba(7, 24, 39, .3), rgba(7, 24, 39, .9)); }
.page-hero__title { font-size: clamp(38px, 5.6vw, 76px); font-weight: 500; letter-spacing: -.04em; line-height: 1.02; max-width: 16ch; }
.page-hero__lead { margin-top: 28px; max-width: 600px; font-size: clamp(16px, 1.3vw, 18.5px); color: rgba(247, 249, 250, .78); }
.page-hero__badges { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line-dark); }
.page-hero__badges li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: rgba(247, 249, 250, .8); }
.page-hero__badges li::before { content: ""; width: 14px; height: 8px; border-left: 1.5px solid var(--tech); border-bottom: 1.5px solid var(--tech); transform: rotate(-45deg) translateY(-2px); }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; font-size: 13px; color: var(--grey); }
.crumbs li + li::before { content: "/"; margin-right: 8px; opacity: .5; }
.crumbs a:hover { color: var(--ice); }
.crumbs [aria-current] { color: rgba(247, 249, 250, .9); }
.page-hero--404 { min-height: 80vh; display: flex; align-items: center; }

/* ---------- Blocos de conteúdo ---------- */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.prose p { font-size: 17px; line-height: 1.75; color: var(--muted); }
.section:not(.section--light) .prose p { color: rgba(247, 249, 250, .74); }
.prose p + p { margin-top: 22px; }
.prose a, .faq details a, .calc__note a { color: inherit; text-decoration: underline; text-decoration-color: var(--tech); text-underline-offset: 3px; }
.section--light .prose a { color: var(--ink); }

.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; border-top: 1px solid var(--line); }
.checklist li { position: relative; padding: 20px 0 20px 40px; border-bottom: 1px solid var(--line); font-size: 16px; color: var(--text); }
.checklist li::before { content: ""; position: absolute; left: 4px; top: 25px; width: 14px; height: 8px; border-left: 1.6px solid var(--tech); border-bottom: 1.6px solid var(--tech); transform: rotate(-45deg); }

.cards { display: grid; gap: 20px; }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.card { position: relative; padding: 34px 30px 36px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; transition: border-color .4s var(--ease), transform .5s var(--ease-out), box-shadow .5s var(--ease); }
.card h3 { font-size: 20px; letter-spacing: -.02em; margin-bottom: 12px; color: var(--text); }
.card p { font-size: 15px; color: var(--muted); }
.card--link:hover { transform: translateY(-4px); border-color: rgba(22, 184, 232, .5); box-shadow: 0 24px 50px -32px rgba(7, 24, 39, .35); }
.card__more { margin-top: auto; padding-top: 26px; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--text); }
.card__more .ico { width: 15px; height: 15px; color: var(--tech); transition: transform .35s var(--ease); }
.card--link:hover .card__more .ico { transform: translateX(4px); }
.card--accent { background: var(--navy); border-color: var(--navy); }
.card--accent h3, .card--accent .card__more { color: var(--ice); }
.card--accent p { color: var(--grey); }

.service__more { margin-top: 28px; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); border-bottom: 1px solid rgba(7, 24, 39, .2); padding-bottom: 4px; transition: border-color .3s, color .3s; }
.service__more .ico { width: 14px; height: 14px; transition: transform .35s var(--ease); }
.service__more:hover { color: var(--petrol); border-color: var(--tech); }
.service__more:hover .ico { transform: translateX(3px); }

.related { padding: clamp(56px, 7vw, 96px) 0 !important; }
.related__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.related__list a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); font-size: 15px; color: var(--text); transition: border-color .3s, transform .4s var(--ease-out); }
.related__list a:hover { border-color: var(--tech); transform: translateY(-2px); }
.related__list .ico { width: 16px; height: 16px; color: var(--tech); flex-shrink: 0; }

.cta-band { background: radial-gradient(70% 80% at 90% 10%, rgba(22, 184, 232, .12), transparent 60%), var(--petrol); }
.cta-band__inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.cta-band .section-lead { margin-top: 20px; }
.cta-band__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.region--compact .cities li:first-child { border-color: var(--line-dark); }

/* ---------- Calculadora ---------- */
.calc-section { padding-top: clamp(80px, 10vw, 140px) !important; }
.calc { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; align-items: start; }
.calc__form { display: grid; gap: 14px; }
.calc__group { margin: 0; padding: 26px 28px 28px; border: 1px solid var(--line-light); border-radius: var(--radius-lg); background: #fff; display: grid; gap: 16px; min-width: 0; }
.calc__group--2 { grid-template-columns: 1fr 1fr; }
.calc__group--2 legend { grid-column: 1 / -1; }
.calc__group legend { float: left; width: 100%; display: flex; align-items: center; gap: 12px; padding: 0; margin-bottom: 2px; font-family: var(--font-display); font-size: 17px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); }
.calc__group legend span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 1px solid rgba(7, 24, 39, .18); font-family: var(--font-body); font-size: 12px; font-weight: 500; }
.calc input[type=radio], .calc input[type=checkbox], .filters input[type=radio], .filters input[type=checkbox] { position: absolute; opacity: 0; pointer-events: none; }

.opts { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.opt span { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 14px 6px 12px; border-radius: 8px; border: 1px solid var(--line-light); font-size: 13px; color: var(--ink-soft); text-align: center; cursor: pointer; transition: all .3s var(--ease); }
.opt svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.opt span:hover { border-color: rgba(7, 24, 39, .3); color: var(--ink); }
.opt input:checked + span { border-color: var(--navy); background: var(--navy); color: var(--ice); }
.opt input:checked + span svg { stroke: var(--tech); }
.opt input:focus-visible + span, .seg input:focus-visible + span, .tgl input:focus-visible + span, .pills input:focus-visible + span { outline: 2px solid var(--tech); outline-offset: 2px; }

.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; border-radius: 8px; background: #EEF2F5; }
.seg--3 { grid-template-columns: repeat(3, 1fr); }
.seg span { display: block; padding: 10px 8px; border-radius: 6px; text-align: center; font-size: 13.5px; color: var(--ink-soft); cursor: pointer; transition: all .3s var(--ease); }
.seg input:checked + span { background: #fff; color: var(--ink); box-shadow: 0 2px 8px -3px rgba(7, 24, 39, .25); font-weight: 500; }

.calc__row { display: grid; grid-template-columns: 1fr 120px; gap: 18px; align-items: center; }
.calc__row--2 { grid-template-columns: 1fr 1fr; }
.calc__row[hidden] { display: none; }
.range { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--tech) var(--p, 10%), #DCE3E8 var(--p, 10%)); outline: none; }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 1px solid rgba(7, 24, 39, .2); box-shadow: 0 4px 12px -4px rgba(7, 24, 39, .4); cursor: grab; }
.range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 1px solid rgba(7, 24, 39, .2); box-shadow: 0 4px 12px -4px rgba(7, 24, 39, .4); cursor: grab; }
.unit { position: relative; display: block; }
.unit input, .select select, .stepper input { width: 100%; height: 48px; font: inherit; font-size: 16px; color: var(--ink); background: #F7F9FA; border: 1px solid var(--line-light); border-radius: 8px; padding: 0 14px; outline: none; transition: border-color .3s; }
.unit input { padding-right: 44px; font-weight: 500; }
.unit--full input { padding-right: 120px; }
.unit span { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--ink-soft); pointer-events: none; }
.unit input:focus, .select select:focus, .stepper input:focus { border-color: var(--tech); }
.select { display: grid; gap: 8px; }
.select > span { font-size: 13px; color: var(--ink-soft); }
.select select { -webkit-appearance: none; appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='%234A5865' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; padding-right: 40px; }

.stepper { display: grid; gap: 8px; }
.stepper p { font-size: 13px; color: var(--ink-soft); }
.stepper small { opacity: .75; }
.stepper > div { display: grid; grid-template-columns: 48px 1fr 48px; border: 1px solid var(--line-light); border-radius: 8px; overflow: hidden; background: #F7F9FA; }
.stepper input { border: 0; border-radius: 0; text-align: center; font-weight: 600; -moz-appearance: textfield; background: transparent; }
.stepper input::-webkit-inner-spin-button, .stepper input::-webkit-outer-spin-button { -webkit-appearance: none; }
.stepper button { font-size: 20px; color: var(--ink); transition: background-color .25s; }
.stepper button:hover { background: #E7ECF0; }

.toggles { display: grid; gap: 8px; }
.tgl { display: block; cursor: pointer; }
.tgl span { position: relative; display: block; padding: 14px 70px 14px 16px; border: 1px solid var(--line-light); border-radius: 8px; transition: border-color .3s, background-color .3s; }
.tgl strong { display: block; font-size: 14.5px; font-weight: 500; color: var(--ink); }
.tgl small { display: block; font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }
.tgl span::before { content: ""; position: absolute; right: 16px; top: 50%; width: 38px; height: 22px; margin-top: -11px; border-radius: 22px; background: #D5DDE3; transition: background-color .3s; }
.tgl span::after { content: ""; position: absolute; right: 34px; top: 50%; width: 18px; height: 18px; margin-top: -9px; border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(7, 24, 39, .25); transition: transform .35s var(--ease-out); }
.tgl input:checked + span { border-color: rgba(22, 184, 232, .6); background: rgba(22, 184, 232, .05); }
.tgl input:checked + span::before { background: var(--tech); }
.tgl input:checked + span::after { transform: translateX(16px); }

.calc__result { position: sticky; top: 92px; }
.calc__card { padding: 34px 32px 30px; border-radius: var(--radius-lg); background: linear-gradient(160deg, #0F2E45 0%, var(--navy) 60%); color: var(--ice); box-shadow: 0 40px 80px -40px rgba(7, 24, 39, .6); }
.calc__label { font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--grey); }
.calc__big { display: flex; align-items: baseline; gap: 12px; margin-top: 10px; font-family: var(--font-display); font-size: clamp(46px, 5vw, 66px); font-weight: 500; letter-spacing: -.045em; line-height: 1; }
.calc__big small { font-size: 18px; font-weight: 500; letter-spacing: 0; color: var(--tech); }
.calc__type { margin-top: 12px; font-size: 14.5px; color: rgba(247, 249, 250, .8); }
.calc__scale { margin: 30px 0 8px; }
.calc__bar { position: relative; height: 4px; border-radius: 4px; background: linear-gradient(90deg, rgba(22, 184, 232, .25), rgba(22, 184, 232, .9)); }
.calc__marker { position: absolute; top: 50%; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 0 5px rgba(22, 184, 232, .3); transition: left .6s var(--ease-out); }
.calc__ticks { position: relative; height: 26px; margin-top: 10px; }
.calc__tick { position: absolute; top: 0; transform: translateX(-50%); font-size: 11px; color: rgba(167, 177, 186, .7); transition: color .3s; }
.calc__tick:first-child { transform: none; }
.calc__tick:last-child { transform: translateX(-100%); }
.calc__tick.is-on { color: var(--ice); font-weight: 600; }
.calc__scale.is-over .calc__marker { background: var(--tech); }
.calc__breakdown { margin: 18px 0 0; border-top: 1px solid var(--line-dark); }
.calc__breakdown div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line-dark); font-size: 13.5px; }
.calc__breakdown dt { color: var(--grey); }
.calc__breakdown dd { margin: 0; color: var(--ice); font-variant-numeric: tabular-nums; text-align: right; }
.calc__breakdown .is-total dt, .calc__breakdown .is-total dd { color: var(--ice); font-weight: 600; font-size: 14.5px; }
.calc__energy { margin: 22px 0 24px; padding: 18px 18px 16px; border-radius: 8px; background: rgba(247, 249, 250, .05); border: 1px solid var(--line-dark); display: grid; gap: 8px; font-size: 13.5px; }
.calc__energy > p:first-child { color: var(--grey); font-size: 12.5px; margin-bottom: 2px; }
.calc__energy > div { display: flex; justify-content: space-between; gap: 12px; }
.calc__energy > div span { color: rgba(247, 249, 250, .75); }
.calc__energy strong { font-weight: 500; font-variant-numeric: tabular-nums; }
.calc__eco { margin-top: 6px; padding-top: 10px; border-top: 1px solid var(--line-dark); color: rgba(247, 249, 250, .8); }
.calc__eco strong { color: var(--tech); font-weight: 600; }
.calc__cta .ico { width: 19px; height: 19px; }
.calc__cta:hover .ico { transform: none; }
.calc__cta.is-disabled { opacity: .45; pointer-events: auto; cursor: not-allowed; }
.calc__shop { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 16px; font-size: 13.5px; color: var(--ice); }
.calc__shop[hidden] { display: none; }
.calc__shop .ico { width: 15px; height: 15px; color: var(--tech); transition: transform .35s var(--ease); }
.calc__shop:hover .ico { transform: translateX(3px); }
.calc__note { margin-top: 18px; font-size: 11.5px; line-height: 1.55; color: rgba(167, 177, 186, .8); text-align: center; }
.calc.is-empty .calc__breakdown, .calc.is-empty .calc__energy { opacity: .35; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line-light); border-radius: var(--radius-lg); background: #fff; }
.ref { width: 100%; border-collapse: collapse; font-size: 15px; }
.ref th, .ref td { padding: 16px 24px; text-align: left; border-bottom: 1px solid var(--line-light); }
.ref thead th { font-size: 11.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); background: #F7F9FA; }
.ref tbody tr:last-child td { border-bottom: 0; }
.ref td:not(:first-child) { font-variant-numeric: tabular-nums; }
.ref tbody tr:hover { background: #F7F9FA; }

/* ---------- Loja ---------- */
.product__warranty { position: absolute; top: 16px; right: 16px; font-size: 10.5px; letter-spacing: .08em; padding: 6px 9px; border-radius: 4px; background: rgba(22, 184, 232, .14); color: #0B6F8E; font-weight: 500; }
.product__stage--dark .product__warranty { color: var(--tech); }
.product__actions { display: flex; align-items: center; gap: 14px; }
.product__link--muted { font-size: 13px; color: var(--grey); border-bottom: 1px solid rgba(167, 177, 186, .35); padding-bottom: 2px; cursor: pointer; }
.product__link--muted:hover { color: var(--ice); border-color: var(--ice); }
.product__price strong { white-space: nowrap; }
.shop__more { display: flex; justify-content: center; margin-top: 48px; }

.shop--page { padding-top: clamp(48px, 5vw, 72px); }
.demo-note { display: inline-block; margin-bottom: 28px; padding: 10px 14px; border-radius: 6px; border: 1px dashed rgba(167, 177, 186, .45); font-size: 13px; color: var(--grey); }
.demo-note strong { color: var(--ice); font-weight: 500; }
.demo-note code { font-size: 12px; color: var(--tech); }
.calc-hint { margin-bottom: 28px; padding: 14px 18px; border-radius: 8px; background: rgba(22, 184, 232, .1); border: 1px solid rgba(22, 184, 232, .35); font-size: 14.5px; }
.calc-hint[hidden] { display: none; }
.calc-hint a { color: var(--tech); margin-left: 8px; }
.shop__layout { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }
.filters { position: sticky; top: 92px; display: grid; gap: 26px; padding: 26px; border-radius: var(--radius-lg); border: 1px solid var(--line-dark); background: rgba(247, 249, 250, .025); }
.filters__group > p { font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); margin-bottom: 12px; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pills span { display: inline-block; padding: 7px 13px; border-radius: 40px; border: 1px solid var(--line-dark); font-size: 13px; color: rgba(247, 249, 250, .78); cursor: pointer; transition: all .3s var(--ease); }
.pills span:hover { border-color: rgba(247, 249, 250, .35); }
.pills input:checked + span { background: var(--ice); border-color: var(--ice); color: var(--navy); }
.filters .tgl span { border-color: var(--line-dark); }
.filters .tgl strong { color: var(--ice); font-size: 14px; }
.filters .tgl small { color: var(--grey); }
.filters .tgl span::before { background: rgba(247, 249, 250, .18); }
.filters .tgl input:checked + span { background: rgba(22, 184, 232, .08); }
.filters .select > span { color: var(--grey); }
.filters .select select { background-color: rgba(247, 249, 250, .05); color: var(--ice); border-color: var(--line-dark); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='%23A7B1BA' stroke-width='1.6'/%3E%3C/svg%3E"); }
.filters .select option { color: var(--ink); }
.filters__reset { justify-self: start; font-size: 13px; color: var(--grey); border-bottom: 1px solid rgba(167, 177, 186, .35); padding-bottom: 2px; }
.filters__reset:hover { color: var(--ice); }
.filters__calc { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center; padding: 16px; border-radius: 8px; background: rgba(22, 184, 232, .08); border: 1px solid rgba(22, 184, 232, .3); }
.filters__calc strong { font-size: 14px; font-weight: 500; }
.filters__calc span { grid-column: 1; font-size: 12.5px; color: var(--grey); }
.filters__calc .ico { grid-column: 2; grid-row: 1 / 3; width: 18px; height: 18px; color: var(--tech); }
.catalog__count { font-size: 13px; color: var(--grey); margin-bottom: 16px; }
.products--page { grid-template-columns: repeat(2, 1fr); }
.catalog__empty { padding: 56px 32px; text-align: center; border: 1px dashed var(--line-dark); border-radius: var(--radius-lg); }
.catalog__empty[hidden] { display: none; }
.catalog__empty h3 { font-size: 22px; margin-bottom: 10px; }
.catalog__empty p { color: var(--grey); margin-bottom: 24px; }

.perks { padding: clamp(56px, 7vw, 96px) 0 !important; }
.perks__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.perks__list li { padding-top: 22px; border-top: 1px solid var(--line-light); }
.perks__list strong { display: block; font-family: var(--font-display); font-size: 18px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 8px; }
.perks__list span { font-size: 14.5px; color: var(--ink-soft); }

.modal { width: min(920px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; border: 1px solid var(--line-dark); border-radius: var(--radius-lg); background: var(--petrol); color: var(--ice); overflow: auto; }
.modal::backdrop { background: rgba(3, 10, 18, .72); backdrop-filter: blur(6px); }
.modal[open] { animation: modalIn .5s var(--ease-out); }
@keyframes modalIn { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal__close { position: absolute; top: 12px; right: 14px; z-index: 2; width: 40px; height: 40px; font-size: 26px; line-height: 1; color: var(--ice); border-radius: 50%; }
.modal__close:hover { background: rgba(247, 249, 250, .1); }
.modal__body { display: grid; grid-template-columns: 1fr 1.1fr; }
.modal__stage { display: grid; place-items: center; padding: 48px 32px; background: radial-gradient(90% 70% at 50% 40%, #FFFFFF 0%, #EEF2F5 55%, #DDE3E8 100%); }
.modal__stage.product__stage--dark { background: radial-gradient(90% 70% at 50% 40%, #33414E 0%, #1E2934 55%, #131B23 100%); }
.modal__stage svg { width: 100%; }
.modal__info { padding: 40px 36px 34px; }
.modal__title { font-size: 30px; margin: 8px 0 12px; }
.modal__desc { color: rgba(247, 249, 250, .75); font-size: 15px; }
.spec { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.spec th, .spec td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--line-dark); vertical-align: top; }
.spec th { font-weight: 400; color: var(--grey); width: 44%; }
.spec small { color: var(--grey); font-size: 12px; }
.modal__price { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.modal__price small { display: block; font-size: 12px; color: var(--grey); }
.modal__price strong { font-family: var(--font-display); font-size: 28px; font-weight: 600; }
.modal__note { margin-top: 14px; font-size: 12.5px; color: var(--grey); }

/* ---------- Consentimento ---------- */
.consent { position: fixed; left: 24px; bottom: 24px; z-index: 150; max-width: 420px; padding: 22px 22px 20px; border-radius: var(--radius-lg); background: rgba(13, 41, 61, .97); border: 1px solid var(--line-dark); color: var(--ice); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7); transform: translateY(20px); opacity: 0; transition: transform .5s var(--ease-out), opacity .5s; }
.consent.is-in { transform: none; opacity: 1; }
.consent p { font-size: 13.5px; color: rgba(247, 249, 250, .8); }
.consent__actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* ---------- Responsivo dos componentes ---------- */
@media (max-width: 1280px) {
  .header__cta { padding: 0 14px; font-size: 11.5px; letter-spacing: .06em; }
  .nav__link { font-size: 13.5px; }
}
@media (max-width: 1100px) {
  .calc { grid-template-columns: 1fr; }
  .calc__result { position: static; }
  .opts { grid-template-columns: repeat(3, 1fr); }
  .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .shop__layout { grid-template-columns: 1fr; }
  .filters { position: static; grid-template-columns: repeat(2, 1fr); }
  .filters__calc { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .perks__list { grid-template-columns: repeat(2, 1fr); }
  .header__cta { display: none; }
}
@media (max-width: 900px) {
  .nav { justify-content: flex-start; overflow-y: auto; padding-top: 100px; }
  .nav > * { flex-shrink: 0; }
  .nav__list { align-items: stretch; }
  .nav__cta-mobile { height: 56px !important; }
  .nav__link { font-size: 26px; padding: 16px 0; }
  .nav__link--shop { padding: 16px 0; }
  .nav__item--drop { display: block; }
  .nav__drop-toggle { display: none; }
  .nav__drop { position: static; width: auto; transform: none !important; opacity: 1; visibility: visible; display: block; padding: 0 0 16px; background: none; border: 0; box-shadow: none; backdrop-filter: none; }
  .nav__drop::before { display: none; }
  .nav__drop-col > p, .nav__drop-col--cities, .nav__drop-svc a span { display: none; }
  .nav__drop-col a { padding: 7px 0; font-size: 15px; color: var(--grey); }
  .nav__drop-svc a strong { font-weight: 400; color: rgba(247, 249, 250, .75); }
  .split, .cards--3, .cards--2 { grid-template-columns: 1fr; }
  .checklist { grid-template-columns: 1fr; }
  .modal__body { grid-template-columns: 1fr; }
  .modal__stage { padding: 40px 48px 24px; }
  .modal__close { color: var(--ink); }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .calc__group { padding: 22px 18px 22px; }
  .calc__group--2 { grid-template-columns: 1fr; }
  .opts { grid-template-columns: repeat(3, 1fr); }
  .seg--3 { grid-template-columns: 1fr; }
  .calc__row { grid-template-columns: 1fr 104px; }
  .calc__row--2 { grid-template-columns: 1fr; }
  .calc__card { padding: 28px 20px 24px; }
  .cards--4 { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr; }
  .products--page { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .perks__list { grid-template-columns: 1fr; }
  .cta-band__actions, .cta-band__actions .btn { width: 100%; }
  .page-hero__badges { gap: 10px 18px; }
  .consent { left: 12px; right: 12px; bottom: 12px; max-width: none; }
  .ref th, .ref td { padding: 14px 16px; }
  .product__foot { flex-wrap: wrap; }
}
