/* ============================================================
   AssistVale — Sistema de design
   Estética editorial minimalista, inspirada em grandes marcas
   de tecnologia. Paleta neutra + um azul discreto de ação.
   ============================================================ */

:root {
  --paper: #ffffff;
  --paper-2: #f5f5f7;
  --ink: #0a0a0b;
  --ink-2: #1d1d1f;
  --gray-700: #424245;
  --gray-500: #5a5a5f;
  --gray-300: #b8b8bd;
  --line: #d9d9de;
  --line-dark: rgba(255, 255, 255, 0.16);
  --accent: #0071e3;
  --accent-ink: #0060c0;
  --wa: #0e7038;
  --wa-bright: #1fae55;
  --radius: 18px;
  --radius-sm: 12px;
  --header-h: 56px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-soft: 0 12px 40px rgba(10, 10, 11, 0.08);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

[id] { scroll-margin-top: calc(var(--header-h) + 20px); }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 650;
  letter-spacing: -0.022em;
  line-height: 1.08;
}

p { margin: 0; }

a { color: var(--accent); text-decoration: none; }

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */

.container {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}

.section { padding: 112px 0; }
.section--tight { padding: 72px 0; }
.section--gray { background: var(--paper-2); }
.section--dark { background: var(--ink); color: #f5f5f7; }
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 14px;
}
.section--dark .eyebrow { color: var(--gray-300); }

.h-xl { font-size: clamp(2.6rem, 6.4vw, 4.6rem); font-weight: 700; letter-spacing: -0.03em; }
.h-lg { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.h-md { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.55;
  color: var(--gray-500);
  margin-top: 18px;
}
.section--dark .lead { color: #b8b8bd; }

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 980px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:active { transform: scale(0.97); }

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-ink); }

.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #2a2a2e; }

.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #e9e9ee; }

.btn--ghost {
  border-color: var(--line);
  color: var(--ink-2);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--gray-500); }
.section--dark .btn--ghost,
.hero .btn--ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.section--dark .btn--ghost:hover,
.hero .btn--ghost:hover { border-color: #fff; }

.btn--wa { background: var(--wa); color: #fff; }
.btn--wa:hover { background: #0a5a2d; }

.btn--sm { padding: 9px 18px; font-size: 14px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.section-head--center .btn-row { justify-content: center; }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--accent-ink);
}
.section--dark .link-more { color: #5eb1f7; }
.link-more::after { content: "›"; font-size: 20px; line-height: 1; transition: transform 0.25s var(--ease); }
.link-more:hover::after { transform: translateX(4px); }

/* ---------- Cabeçalho ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(16, 16, 18, 0.62);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(16, 16, 18, 0.82);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { height: 30px; width: auto; }
.brand-name {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.main-nav ul { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s var(--ease);
}
.main-nav a:hover,
.main-nav a[aria-current="page"] { color: #fff; }

.header-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 130;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  position: absolute;
  left: 50%;
  width: 20px;
  height: 1.6px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span { top: 50%; transform: translate(-50%, -50%); }
.nav-toggle span::before { top: -6px; left: 0; }
.nav-toggle span::after { top: 6px; left: 0; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(10, 10, 11, 0.86);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  backdrop-filter: blur(28px) saturate(160%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 96px 32px 48px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s linear 0.35s;
}
.mobile-menu::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 55% at 50% -10%, rgba(255, 255, 255, 0.13), transparent 62%);
  pointer-events: none;
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.mobile-menu ul { display: grid; gap: 6px; }
.mobile-menu a:not(.btn) {
  display: block;
  padding: 12px 0;
  color: #f5f5f7;
  font-size: clamp(1.6rem, 7vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.mobile-menu .btn { margin-top: 28px; width: 100%; }

body.menu-open { overflow: hidden; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: center;
  background: var(--ink);
  color: #f5f5f7;
  padding: calc(var(--header-h) + 72px) 0 88px;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  opacity: 0.62;
  transform: scale(1.04);
  animation: hero-drift 18s var(--ease) forwards;
}
@keyframes hero-drift {
  from { transform: scale(1.12); }
  to { transform: scale(1.04); }
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(6, 6, 8, 0.92) 8%, rgba(6, 6, 8, 0.55) 48%, rgba(6, 6, 8, 0.25) 100%);
}

.hero__content { position: relative; z-index: 1; max-width: 660px; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(245, 245, 247, 0.82); }
.hero .eyebrow { color: rgba(245, 245, 247, 0.7); }

/* Hero de páginas internas (claro) */
.page-hero {
  padding: calc(var(--header-h) + 84px) 0 72px;
  background: var(--paper-2);
}
.page-hero--dark { background: var(--ink); color: #f5f5f7; }
.page-hero--dark h1 { color: #fff; }
.page-hero--dark .lead { color: #b8b8bd; }
.page-hero--dark .eyebrow { color: #98989d; }
.page-hero--dark .btn--ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.page-hero--dark .btn--ghost:hover { border-color: #fff; }

/* ---------- Faixa de confiança ---------- */

.trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.trust li {
  padding: 0;
}
.trust h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.trust p { font-size: 14.5px; color: var(--gray-500); line-height: 1.5; }
.trust .num {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
  color: #6e6e73;
  margin-bottom: 12px;
}

/* ---------- Cards de serviço ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 36px 34px;
  display: flex;
  flex-direction: column;
}

.card__tag {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 14px;
}
.card h3 { font-size: 1.5rem; margin-bottom: 12px; }
.card p { color: var(--gray-500); font-size: 15.5px; }

.card ul { margin: 18px 0 24px; display: grid; gap: 9px; }
.card li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--gray-700);
}
.card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-300);
}
.card .link-more { margin-top: auto; }

.check-list { margin: 18px 0 24px; display: grid; gap: 9px; }
.check-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--gray-700);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-300);
}

/* ---------- Linhas editoriais (expertise) ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}
.split + .split { margin-top: 96px; }
.split--rev .split__media { order: 2; }

.split__media img,
.split__media .ph {
  width: 100%;
  border-radius: var(--radius);
}
.split__media img { aspect-ratio: 4 / 3; object-fit: cover; }

.split__body h2, .split__body h3 { margin-bottom: 16px; }
.split__body p { color: var(--gray-500); }
.section--dark .split__body p { color: #b8b8bd; }
.split__body .link-more { margin-top: 22px; }

/* ---------- Placeholder de imagem ---------- */

.ph {
  position: relative;
  aspect-ratio: var(--ph-ratio, 4 / 3);
  width: 100%;
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, #ececef 0%, #e0e0e5 55%, #d7d7dc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(10, 10, 11, 0.14);
  border-radius: calc(var(--radius) - 6px);
}
.ph__label {
  position: relative;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  text-align: center;
  padding: 0 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.ph--dark { background: linear-gradient(160deg, #1c1c1f 0%, #141416 60%, #101012 100%); }
.ph--dark::before { border-color: rgba(255, 255, 255, 0.16); }
.ph--dark .ph__label { color: var(--gray-500); }

/* ---------- Aparelhos / catálogo ---------- */

.devices {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.device {
  display: block;
  background: var(--paper);
  border-radius: var(--radius);
  padding: 18px 18px 22px;
  text-align: center;
  color: var(--ink-2);
}
.device .ph,
.device img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  display: block;
}
.device h3 { font-size: 16px; font-weight: 600; }
.device span { font-size: 13px; color: var(--gray-500); }

.gen-nav {
  position: sticky;
  top: calc(var(--header-h) + 12px);
  z-index: 40;
  background: transparent;
  padding: 10px 0;
  margin-bottom: 48px;
}


/* Abas de categorias do catálogo (apenas com JS; sem JS, todos os painéis ficam visíveis) */
.cat-tabs { display: none; }
.js .cat-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.cat-tabs::-webkit-scrollbar { display: none; }
.cat-tabs button {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 980px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gray-700);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.cat-tabs button:hover { border-color: var(--gray-500); }
.cat-tabs button[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.gen-nav .container {
  background: rgba(255, 255, 255, 0.62);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 22px;
  padding: 8px;
  box-shadow: 0 10px 30px rgba(10, 10, 11, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.75);
}
.gen-nav ul {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px;
}
.gen-nav ul::-webkit-scrollbar { display: none; }
.gen-nav a {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 980px;
  border: 1px solid rgba(10, 10, 11, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.gen-nav a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.gen { margin-bottom: 64px; scroll-margin-top: calc(var(--header-h) + 76px); }
.gen__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 26px;
}
.gen__head h3 { font-size: 1.5rem; }
.gen__head span { font-size: 13.5px; color: var(--gray-500); }

.models {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.model {
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.model h4 { font-size: 16.5px; font-weight: 600; }
.model span { font-size: 13px; color: var(--gray-500); margin-bottom: 12px; }
.model .btn { margin-top: auto; width: 100%; }

.note {
  font-size: 14px;
  color: var(--gray-500);
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-top: 28px;
}

/* ---------- Diferenciais ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 32px;
}
.feature h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature p { font-size: 15px; color: var(--gray-500); }
.section--dark .feature p { color: #b8b8bd; }
.feature .idx {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
  color: #98989d;
  margin-bottom: 14px;
}

/* ---------- Galeria ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery img,
.gallery .ph { border-radius: var(--radius-sm); width: 100%; height: 100%; }
.gallery img { aspect-ratio: 4 / 3; object-fit: cover; }

/* ---------- Equipe ---------- */

.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.member {
  background: var(--paper-2);
  border-radius: var(--radius);
  overflow: hidden;
}
.member img { aspect-ratio: 3 / 3.4; object-fit: cover; object-position: center 30%; width: 100%; }
.member__body { padding: 22px 24px 26px; }
.member h3 { font-size: 1.1rem; }
.member .role {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin: 6px 0 12px;
}
.member p { font-size: 14.5px; color: var(--gray-500); }

/* ---------- Valores ---------- */

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.value h3 { font-size: 1.15rem; margin-bottom: 10px; }
.value p { font-size: 15px; color: var(--gray-500); }

/* ---------- Contato ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-list { display: grid; gap: 14px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  color: var(--ink-2);
}
.contact-item .ico {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
}
.contact-item .ico svg { width: 18px; height: 18px; stroke: var(--ink-2); }
.contact-item h3 { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.contact-item p, .contact-item a { font-size: 15px; color: var(--gray-500); }
.contact-item a:hover { color: var(--accent); }

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 20px;
}
.map-wrap iframe { display: block; width: 100%; height: 300px; border: 0; }

/* Formulário */
.form {
  background: var(--paper-2);
  border-radius: var(--radius);
  padding: 34px;
}
.form h2 { font-size: 1.4rem; margin-bottom: 6px; }
.form > p { color: var(--gray-500); font-size: 15px; margin-bottom: 26px; }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 7px;
  color: var(--ink-2);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.field textarea { min-height: 110px; resize: vertical; }
.field ::placeholder { color: #6e6e73; opacity: 1; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.16);
}
.field .err {
  display: none;
  font-size: 13px;
  color: #c0392b;
  margin-top: 6px;
}
.field.invalid input,
.field.invalid select,
.field.invalid textarea { border-color: #c0392b; background: #fff; }
.field.invalid .err { display: block; }

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 15px;
  background: #eaf7ee;
  border: 1px solid #bfe3cb;
  color: #14602f;
}
.form-status.show { display: block; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  color: #fff;
  text-align: center;
  padding: 104px 0;
}
.cta-band h2 { color: #fff; }
.cta-band .lead { color: #b8b8bd; margin-inline: auto; max-width: 560px; }
.cta-band .eyebrow { color: #98989d; }
.cta-band .btn--ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.cta-band .btn--ghost:hover { border-color: #fff; }

/* ---------- Rodapé ---------- */

.site-footer {
  background: #060607;
  color: #b8b8bd;
  padding: 72px 0 36px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-grid h3 {
  color: #f5f5f7;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-grid ul { display: grid; gap: 10px; }
.footer-grid a { color: #b8b8bd; }
.footer-grid a:hover { color: #fff; }
.footer-brand img { height: 34px; margin-bottom: 16px; }
.footer-brand p { max-width: 300px; line-height: 1.6; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 13px;
  color: #98989d;
}

/* ---------- Botão flutuante WhatsApp ---------- */

.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(18, 140, 75, 0.55);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: grid;
  place-items: center;
  box-shadow: 0 12px 32px rgba(14, 112, 56, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -8px 16px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s var(--ease);
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 28px; height: 28px; fill: #fff; }

/* ---------- Animações de entrada ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; }

/* Entrada escalonada dos itens de uma mesma grade */
.js .cards .reveal:nth-child(2),
.js .features .reveal:nth-child(2) { transition-delay: 0.08s; }
.js .cards .reveal:nth-child(3),
.js .features .reveal:nth-child(3) { transition-delay: 0.16s; }
.js .cards .reveal:nth-child(4),
.js .features .reveal:nth-child(4) { transition-delay: 0.24s; }
.js .features .reveal:nth-child(5) { transition-delay: 0.32s; }
.js .features .reveal:nth-child(6) { transition-delay: 0.4s; }
.js .trust .reveal:nth-child(2) { transition-delay: 0.08s; }
.js .trust .reveal:nth-child(3) { transition-delay: 0.16s; }
.js .trust .reveal:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__media img { animation: none; transform: scale(1); }
}

::selection { background: rgba(0, 113, 227, 0.22); color: var(--ink); }

/* Fallback sólido quando não há suporte a backdrop-filter */
@supports not ((backdrop-filter: blur(4px)) or (-webkit-backdrop-filter: blur(4px))) {
  .site-header { background: rgba(10, 10, 11, 0.96); }
  .mobile-menu { background: rgba(10, 10, 11, 0.98); }
  .gen-nav .container { background: rgba(245, 245, 247, 0.97); }
  .wa-float { background: var(--wa); }
}

/* ============================================================
   Responsivo
   ============================================================ */

@media (max-width: 1024px) {
  .trust { grid-template-columns: repeat(2, 1fr); }
  .devices { grid-template-columns: repeat(3, 1fr); }
  .models { grid-template-columns: repeat(3, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .header-cta .btn { display: none; }

  .section { padding: 72px 0; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split + .split { margin-top: 72px; }
  .split--rev .split__media { order: 0; }
  .cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .team { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; }
  .values { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .models { grid-template-columns: repeat(2, 1fr); }
  .devices { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: 82vh; }
  .hero__media img { object-position: 70% center; opacity: 0.5; }
  .hero__media::after {
    background: linear-gradient(180deg, rgba(6, 6, 8, 0.72) 0%, rgba(6, 6, 8, 0.55) 45%, rgba(6, 6, 8, 0.88) 100%);
  }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { width: calc(100% - 40px); }
  .section { padding: 60px 0; }
  .trust { grid-template-columns: 1fr; gap: 28px; }
  .trust li { padding: 0; }
  .models { grid-template-columns: 1fr 1fr; gap: 12px; }
  .model { padding: 18px 16px; }
  .devices { gap: 12px; }
  .gallery { grid-template-columns: 1fr; }
  .form { padding: 26px 22px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .gen__head { flex-direction: column; gap: 4px; }
  .wa-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .cta-band { padding: 80px 0; }
}
/* ============================================================
   AssistVale — Adaptação Responsiva (Tablets e Smartphones)
   ============================================================ */

/* ---------- Tablets e Telas Médias (até 900px) ---------- */
@media (max-width: 900px) {
  .main-nav,
  .header-cta .btn {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .section { padding: 80px 0; }
  .section--tight { padding: 56px 0; }
  .section-head { margin-bottom: 40px; }

  /* Faixa de confiança: 2x2 no tablet */
  .trust {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 24px;
  }

  /* Linhas editoriais (imagem + texto empilhados) */
  .split {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .split + .split { margin-top: 64px; }
  .split--rev .split__media { order: 0; }

  /* Grade de modelos do catálogo: 2 colunas no tablet */
  .models {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ---------- Smartphones (até 600px) ---------- */
@media (max-width: 600px) {
  body { font-size: 16px; }

  .container {
    width: min(1120px, 100% - 32px);
  }

  .section { padding: 64px 0; }
  .section--tight { padding: 44px 0; }
  .section-head { margin-bottom: 32px; }

  .eyebrow {
    font-size: 12px;
    margin-bottom: 10px;
  }

  .lead { margin-top: 14px; }

  /* Cabeçalho */
  .brand img { height: 26px; }
  .brand-name { font-size: 16px; }

  /* Botões em largura total para toque confortável */
  .btn-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 24px;
  }
  .btn-row .btn { width: 100%; }

  /* Hero principal e interno */
  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 48px) 0 56px;
  }
  .hero__media img {
    object-position: center;
  }
  .hero__media::after {
    background: linear-gradient(180deg, rgba(6, 6, 8, 0.72) 0%, rgba(6, 6, 8, 0.88) 100%);
  }

  .page-hero {
    padding: calc(var(--header-h) + 48px) 0 48px;
  }

  /* Faixa de confiança: 1 coluna */
  .trust {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .trust .num { margin-bottom: 6px; }

  /* Cards de serviço: 1 coluna */
  .cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .card {
    padding: 26px 22px;
    border-radius: var(--radius-sm);
  }
  .card h3 { font-size: 1.3rem; }

  /* Linhas editoriais (expertise) */
  .split + .split { margin-top: 48px; }
  .split__media img,
  .split__media .ph {
    border-radius: var(--radius-sm);
  }

  /* Aparelhos: Carrossel horizontal com snap (resolve o número ímpar de fotos) */
  .devices {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 12px;
    padding-bottom: 6px;
    margin-inline: -16px;
    padding-inline: 16px;
    scrollbar-width: none;
  }
  .devices::-webkit-scrollbar { display: none; }

  .device {
    flex: 0 0 64%;
    scroll-snap-align: start;
    padding: 14px 14px 18px;
    border-radius: var(--radius-sm);
  }
  .device .ph,
  .device img {
    margin-bottom: 10px;
  }
  .device h3 { font-size: 15px; }
  .device span { font-size: 12.5px; }

  /* Navegação fixa de gerações no catálogo */
  .gen-nav {
    top: calc(var(--header-h) + 8px);
    margin-bottom: 32px;
  }
  .gen-nav .container {
    border-radius: 16px;
    padding: 6px;
  }
  .gen-nav a {
    padding: 7px 14px;
    font-size: 13px;
  }

  /* Cabeçalho de cada geração e grade de modelos */
  .gen {
    margin-bottom: 44px;
    scroll-margin-top: calc(var(--header-h) + 64px);
  }
  .gen__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .gen__head h3 { font-size: 1.25rem; }

  .models {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .model {
    padding: 18px 16px;
  }

  /* Diferenciais (caso seja grid no desktop) */
  .features {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}