/* ==========================================================================
   MULTMAG — Design System
   Controle de acesso e segurança eletrônica
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Azuis — extraídos do logo */
  --navy-900: #081625;
  --navy-800: #0D2338;
  --navy-700: #16324F;   /* cor institucional do logo */
  --navy-600: #1E4368;
  --navy-500: #2A5A8A;

  /* Aço */
  --steel-700: #3F4A56;
  --steel-600: #56636F;
  --steel-500: #77838F;
  --steel-400: #9BA6B2;
  --steel-300: #C4CDD6;
  --steel-200: #DDE4EA;
  --steel-100: #EDF1F5;
  --paper: #F7F9FB;
  --white: #FFFFFF;

  /* Âmbar de sinalização — CTAs e destaques técnicos */
  --amber-600: #C97D06;
  --amber-500: #F5A524;
  --amber-400: #FFBC4D;
  --amber-050: #FFF6E6;

  --whatsapp: #25D366;
  --whatsapp-dark: #1DA851;
  --fire: #D94A28;

  /* Tipografia */
  --font-display: 'Barlow', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-num: 'Barlow Condensed', 'Barlow', sans-serif;

  /* Escala fluida */
  --step--1: clamp(0.82rem, 0.80rem + 0.10vw, 0.88rem);
  --step-0:  clamp(1.00rem, 0.97rem + 0.15vw, 1.08rem);
  --step-1:  clamp(1.19rem, 1.12rem + 0.34vw, 1.40rem);
  --step-2:  clamp(1.41rem, 1.29rem + 0.62vw, 1.82rem);
  --step-3:  clamp(1.69rem, 1.48rem + 1.02vw, 2.37rem);
  --step-4:  clamp(2.00rem, 1.68rem + 1.60vw, 3.08rem);
  --step-5:  clamp(2.38rem, 1.88rem + 2.48vw, 4.00rem);

  /* Espaço */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;
  --sp-4: 1rem;     --sp-5: 1.5rem;   --sp-6: 2rem;
  --sp-7: 3rem;     --sp-8: 4rem;     --sp-9: 6rem;
  --sp-10: 8rem;

  /* Layout */
  --wrap: 1200px;
  --wrap-narrow: 780px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --header-h: 76px;

  /* Superfície */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(8, 22, 37, 0.06), 0 1px 3px rgba(8, 22, 37, 0.08);
  --shadow: 0 4px 12px rgba(8, 22, 37, 0.07), 0 2px 4px rgba(8, 22, 37, 0.05);
  --shadow-lg: 0 18px 40px rgba(8, 22, 37, 0.12), 0 4px 12px rgba(8, 22, 37, 0.07);
  --ring: 0 0 0 3px rgba(245, 165, 36, 0.45);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--steel-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--navy-800);
  text-wrap: balance;
}

h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { text-wrap: pretty; }

a { color: var(--navy-600); text-decoration-thickness: 1px; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--navy-700); color: var(--white); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; top: -100px; left: var(--sp-4); z-index: 999;
  background: var(--navy-700); color: var(--white);
  padding: var(--sp-3) var(--sp-5); border-radius: var(--radius-sm);
  text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: var(--sp-4); }

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--wrap-narrow); }

.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--paper { background: var(--paper); }
.section--steel { background: var(--steel-100); }
.section--dark { background: var(--navy-800); color: var(--steel-300); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }

.stack > * + * { margin-top: var(--sp-4); }
.stack-lg > * + * { margin-top: var(--sp-6); }

.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* --------------------------------------------------------------------------
   4. Tipografia utilitária
   -------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-600);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.eyebrow::before {
  content: '';
  width: 28px; height: 2px;
  background: var(--amber-500);
  flex: none;
}
.section--dark .eyebrow { color: var(--amber-400); }

.lead {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--steel-600);
}
.section--dark .lead { color: var(--steel-300); }

.section-head { max-width: 62ch; margin-bottom: var(--sp-7); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

.muted { color: var(--steel-500); }
.small { font-size: var(--step--1); }

/* --------------------------------------------------------------------------
   5. Botões
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--navy-700);
  --btn-fg: var(--white);
  --btn-bd: var(--navy-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: 0.85rem 1.6rem;
  font-family: var(--font-display);
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid var(--btn-bd);
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease),
              background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn svg { width: 1.15em; height: 1.15em; flex: none; }

.btn--amber { --btn-bg: var(--amber-500); --btn-bd: var(--amber-500); --btn-fg: var(--navy-900); }
.btn--amber:hover { --btn-bg: var(--amber-400); --btn-bd: var(--amber-400); }

.btn--wa { --btn-bg: var(--whatsapp); --btn-bd: var(--whatsapp); --btn-fg: #06301A; }
.btn--wa:hover { --btn-bg: #2EE578; --btn-bd: #2EE578; }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--navy-700); --btn-bd: var(--steel-300); }
.btn--ghost:hover { --btn-bd: var(--navy-700); }

.btn--ghost-light { --btn-bg: transparent; --btn-fg: var(--white); --btn-bd: rgba(255,255,255,0.35); }
.btn--ghost-light:hover { --btn-bd: rgba(255,255,255,0.9); --btn-bg: rgba(255,255,255,0.08); }

.btn--sm { padding: 0.55rem 1.1rem; font-size: var(--step--1); }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

.link-arrow {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-display); font-weight: 600;
  color: var(--navy-600); text-decoration: none;
}
.link-arrow::after { content: '→'; transition: transform 0.2s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   6. Topbar + Header
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--navy-900);
  color: var(--steel-400);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); min-height: 38px; flex-wrap: wrap;
}
.topbar__list { display: flex; gap: var(--sp-5); list-style: none; padding: 0; flex-wrap: wrap; }
.topbar__list li { display: flex; align-items: center; gap: var(--sp-2); }
.topbar svg { width: 13px; height: 13px; opacity: 0.65; flex: none; }
.topbar a { color: inherit; text-decoration: none; }
.topbar a:hover { color: var(--amber-400); }

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--steel-200);
  transition: box-shadow 0.25s var(--ease);
}
.header.is-stuck { box-shadow: var(--shadow); }

.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-5); min-height: var(--header-h);
}

/* Logo original da Multmag — PNG do cliente com o fundo removido.
   Se o cliente enviar o arquivo vetorial (.ai / .eps / .svg), substitua
   img/logo-multmag.png mantendo o mesmo nome e proporção. */
.brand {
  display: flex; align-items: center;
  text-decoration: none;
  flex: none;
}
.brand__logo {
  height: 38px; width: auto;
  display: block;
}
@media (max-width: 600px) {
  .brand__logo { height: 31px; }
}

.nav { display: flex; align-items: center; gap: var(--sp-5); }
.nav__list { display: flex; gap: var(--sp-5); list-style: none; padding: 0; margin: 0; }
.nav__link {
  font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 500;
  color: var(--steel-700); text-decoration: none;
  padding: 0.4rem 0; position: relative;
  white-space: nowrap;
}
.nav__link::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--amber-500);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.22s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--navy-800); font-weight: 600; }

.nav-toggle {
  display: none;
  background: none; border: 1.5px solid var(--steel-300);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.6rem; cursor: pointer; color: var(--navy-700);
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: calc(var(--header-h)) 0 auto 0;
    flex-direction: column; align-items: stretch;
    gap: 0; padding: var(--sp-4) var(--gutter) var(--sp-6);
    background: var(--white);
    border-bottom: 1px solid var(--steel-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px); opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link {
    display: block; padding: 0.9rem 0;
    border-bottom: 1px solid var(--steel-100); font-size: 1.05rem;
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--amber-600); }
  .nav .btn { margin-top: var(--sp-4); }
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--navy-800);
  color: var(--steel-300);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 70% 30%, #000 20%, transparent 75%);
}
.hero::after {
  content: ''; position: absolute; z-index: -1;
  width: 60vw; height: 60vw; max-width: 720px; max-height: 720px;
  top: -22%; right: -12%;
  background: radial-gradient(circle, rgba(42,90,138,0.42), transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
}

.hero h1 { color: var(--white); }
.hero h1 em {
  font-style: normal;
  color: var(--amber-400);
}
.hero__lead {
  font-size: var(--step-1); line-height: 1.55;
  color: var(--steel-300); max-width: 46ch;
  margin-top: var(--sp-5);
}
.hero .btn-row { margin-top: var(--sp-6); }

.hero__specs {
  display: flex; flex-wrap: wrap; gap: var(--sp-6);
  margin-top: var(--sp-7); padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero__spec strong {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700; line-height: 1;
  color: var(--white); letter-spacing: -0.01em;
}
.hero__spec span {
  display: block; font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--steel-400); margin-top: 6px;
}

/* Painel visual do hero */
.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(155deg, #16324F, #081625);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3.4;
  display: grid; place-items: center;
  padding: var(--sp-6);
}
.hero__visual img {
  width: 100%; height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 18px 34px rgba(0,0,0,0.5)) contrast(1.05);
  mix-blend-mode: luminosity;
  opacity: 0.95;
}
.hero__badge {
  position: absolute; left: var(--sp-5); bottom: var(--sp-5);
  display: flex; align-items: center; gap: var(--sp-3);
  background: rgba(8,22,37,0.78);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
}
.hero__badge svg { width: 20px; height: 20px; color: var(--amber-400); flex: none; }
.hero__badge b {
  font-family: var(--font-display); font-size: 0.9rem;
  color: var(--white); display: block; line-height: 1.2;
}
.hero__badge span { font-size: 0.72rem; color: var(--steel-400); }

/* --------------------------------------------------------------------------
   8. Faixa de credibilidade
   -------------------------------------------------------------------------- */
.trustbar { background: var(--navy-900); border-top: 1px solid rgba(255,255,255,0.07); }
.trustbar__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,0.07);
}
.trustbar__item {
  background: var(--navy-900);
  padding: var(--sp-5) var(--sp-4);
  display: flex; align-items: flex-start; gap: var(--sp-3);
}
.trustbar__item svg { width: 22px; height: 22px; color: var(--amber-500); flex: none; margin-top: 2px; }
.trustbar__item b {
  display: block; font-family: var(--font-display); font-weight: 600;
  color: var(--white); font-size: 0.98rem; line-height: 1.25;
}
.trustbar__item span { font-size: 0.82rem; color: var(--steel-500); }

/* --------------------------------------------------------------------------
   9. Cards de produto
   -------------------------------------------------------------------------- */
.card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
              border-color 0.22s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--steel-300);
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--steel-100), var(--steel-200));
  display: grid; place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--steel-200);
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.card:hover .card__media img { transform: scale(1.04); }

.card__tag {
  position: absolute; top: var(--sp-3); left: var(--sp-3);
  background: var(--navy-800); color: var(--white);
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.3rem 0.6rem; border-radius: 4px;
}
.card__tag--fire { background: var(--fire); }
.card__tag--soon { background: var(--steel-600); }

.card__body { padding: var(--sp-5); display: flex; flex-direction: column; flex: 1; gap: var(--sp-3); }
.card__body h3 { font-size: var(--step-1); }
.card__body p { font-size: 0.95rem; color: var(--steel-600); }
.card__body .link-arrow { margin-top: auto; padding-top: var(--sp-2); }

.card__specs { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.card__specs li {
  font-size: 0.87rem; color: var(--steel-600);
  display: flex; align-items: baseline; gap: var(--sp-2);
}
.card__specs li::before {
  content: ''; width: 5px; height: 5px; flex: none;
  background: var(--amber-500); border-radius: 50%;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   10. Escala de força (seletor de kgf)
   -------------------------------------------------------------------------- */
.force-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.force-table caption {
  caption-side: bottom;
  font-size: var(--step--1); color: var(--steel-500);
  text-align: left; padding-top: var(--sp-3);
}
.force-table th, .force-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--steel-200);
  vertical-align: top;
}
.force-table thead th {
  background: var(--navy-800); color: var(--white);
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase;
  border-bottom: none;
}
.force-table tbody tr:last-child th,
.force-table tbody tr:last-child td { border-bottom: none; }
.force-table tbody tr:hover { background: var(--paper); }
.force-table tbody th {
  font-family: var(--font-num);
  font-size: 1.3rem; font-weight: 700;
  color: var(--navy-700); white-space: nowrap;
}
.force-table tbody th small {
  display: block; font-family: var(--font-body);
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--steel-500);
}

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* --------------------------------------------------------------------------
   11. Pilares / features
   -------------------------------------------------------------------------- */
.pillar {
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius);
  padding: var(--sp-5);
  border-top: 3px solid var(--amber-500);
}
.pillar__icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--navy-800); color: var(--amber-400);
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-4);
}
.pillar__icon svg { width: 22px; height: 22px; }
.pillar h3 { font-size: var(--step-1); margin-bottom: var(--sp-2); }
.pillar p { font-size: 0.94rem; color: var(--steel-600); }

/* --------------------------------------------------------------------------
   12. Página de produto
   -------------------------------------------------------------------------- */
.breadcrumb {
  font-size: 0.85rem; color: var(--steel-500);
  padding-block: var(--sp-4);
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--sp-2); padding: 0; margin: 0; }
.breadcrumb li::after { content: '/'; margin-left: var(--sp-2); color: var(--steel-300); }
.breadcrumb li:last-child::after { content: none; }
.breadcrumb a { color: var(--steel-600); text-decoration: none; }
.breadcrumb a:hover { color: var(--navy-700); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--navy-700); font-weight: 500; }

.product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 860px) { .product { grid-template-columns: 1fr; } }

.product__gallery { position: sticky; top: calc(var(--header-h) + var(--sp-5)); }
@media (max-width: 860px) { .product__gallery { position: static; } }

.product__figure {
  background: linear-gradient(160deg, var(--steel-100), var(--steel-200));
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.product__figure img { width: 100%; height: 100%; object-fit: cover; }

.product__thumbs { display: flex; gap: var(--sp-3); margin-top: var(--sp-3); flex-wrap: wrap; }
.product__thumb {
  width: 84px; aspect-ratio: 1;
  border: 1.5px solid var(--steel-200); border-radius: var(--radius-sm);
  background: var(--steel-100); overflow: hidden; cursor: pointer; padding: 0;
  transition: border-color 0.18s var(--ease);
}
.product__thumb img { width: 100%; height: 100%; object-fit: cover; }
.product__thumb[aria-selected="true"] { border-color: var(--amber-500); }
.product__thumb:hover { border-color: var(--navy-500); }

.spec-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--steel-200); }
.spec-list li {
  display: grid;
  grid-template-columns: minmax(140px, 38%) 1fr;
  gap: var(--sp-4);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--steel-200);
  font-size: 0.95rem;
}
.spec-list dt, .spec-list .k {
  font-family: var(--font-display); font-weight: 600; color: var(--navy-700);
}
.spec-list .v { color: var(--steel-600); }
@media (max-width: 480px) {
  .spec-list li { grid-template-columns: 1fr; gap: 2px; }
}

.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--sp-3); }
.check-list li { display: flex; gap: var(--sp-3); align-items: flex-start; font-size: 0.97rem; }
.check-list li::before {
  content: '';
  width: 20px; height: 20px; flex: none; margin-top: 2px;
  background: var(--amber-050);
  border: 1.5px solid var(--amber-500);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C97D06' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px; background-position: center; background-repeat: no-repeat;
}

.notice {
  display: flex; gap: var(--sp-4);
  background: var(--amber-050);
  border: 1px solid var(--amber-400);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  padding: var(--sp-4) var(--sp-5);
  font-size: 0.93rem;
  color: var(--steel-700);
}
.notice svg { width: 20px; height: 20px; color: var(--amber-600); flex: none; margin-top: 2px; }
.notice strong { color: var(--navy-800); }

/* --------------------------------------------------------------------------
   13. Formulário
   -------------------------------------------------------------------------- */
.form { display: grid; gap: var(--sp-4); }
.form__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--sp-4); }

.field { display: grid; gap: 6px; }
.field label {
  font-family: var(--font-display); font-size: 0.88rem; font-weight: 600;
  color: var(--navy-700);
}
.field label .req { color: var(--fire); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: var(--white);
  border: 1.5px solid var(--steel-300);
  border-radius: var(--radius-sm);
  font-size: 0.98rem;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--amber-500);
  box-shadow: var(--ring);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--fire); }
.field .hint { font-size: 0.78rem; color: var(--steel-500); }

.form__note { font-size: 0.82rem; color: var(--steel-500); }

/* Honeypot anti-spam */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* --------------------------------------------------------------------------
   14. CTA / faixas
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-700) 60%, var(--navy-600));
  color: var(--steel-300);
  position: relative; overflow: hidden; isolation: isolate;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(100deg, #000, transparent 70%);
}
.cta-band__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-6); flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); max-width: 22ch; }
.cta-band p { max-width: 52ch; margin-top: var(--sp-3); }

/* Cartões de contato */
.contact-card {
  display: flex; gap: var(--sp-4);
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius);
  padding: var(--sp-5);
}
.contact-card__icon {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  background: var(--navy-800); color: var(--amber-400);
  border-radius: var(--radius-sm);
}
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.contact-card p, .contact-card a { font-size: 0.94rem; color: var(--steel-600); }
.contact-card a { text-decoration: none; }
.contact-card a:hover { color: var(--navy-700); text-decoration: underline; }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.footer { background: var(--navy-900); color: var(--steel-400); padding-block: var(--sp-8) var(--sp-5); }
.footer__grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-7);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid rgba(255,255,255,0.09);
}
.footer .brand__logo { height: 46px; }
.footer h4 {
  color: var(--white); font-size: 0.85rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.footer a { color: var(--steel-400); text-decoration: none; font-size: 0.92rem; }
.footer a:hover { color: var(--amber-400); }
.footer p { font-size: 0.92rem; }

.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--sp-4); flex-wrap: wrap;
  padding-top: var(--sp-5);
  font-size: 0.82rem; color: var(--steel-600);
}

/* Botão flutuante do WhatsApp */
.wa-float {
  position: fixed; right: clamp(1rem, 3vw, 1.75rem); bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--whatsapp); color: #06301A;
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* --------------------------------------------------------------------------
   16. Page header (páginas internas)
   -------------------------------------------------------------------------- */
.page-head {
  background: var(--navy-800);
  color: var(--steel-300);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  position: relative; overflow: hidden; isolation: isolate;
}
.page-head::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 100% at 80% 0%, #000, transparent 70%);
}
.page-head h1 { color: var(--white); font-size: var(--step-4); }
.page-head .lead { margin-top: var(--sp-4); max-width: 58ch; }
.page-head .breadcrumb { color: var(--steel-500); padding-top: 0; }
.page-head .breadcrumb a { color: var(--steel-400); }
.page-head .breadcrumb a:hover { color: var(--white); }
.page-head .breadcrumb [aria-current] { color: var(--amber-400); }
.page-head .breadcrumb li::after { color: var(--steel-600); }

/* --------------------------------------------------------------------------
   17. Animação de entrada
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   18. Impressão
   -------------------------------------------------------------------------- */
@media print {
  .header, .topbar, .wa-float, .cta-band, .footer__grid { display: none; }
  body { color: #000; font-size: 11pt; }
  .section { padding-block: 1rem; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; color: #555; }
}