/* ============================================================
   ANMAG Performance Industrial — styles.css  v2 (UI upgrade)
   Design de autoridade industrial premium. Mobile-first.
   Paleta: Grafite #1d1f21 · Aço/prata · Laranja #F4801F
   Tipografia: Saira Condensed (display) + Inter (corpo)
   ============================================================ */

:root {
  --laranja:    #F4801F;
  --laranja-d:  #d96e10;
  --laranja-l:  #ff9c3f;
  --ink:        #1d1f21;
  --grafite:    #2E2E2E;
  --grafite-2:  #34373a;
  --aco:        #aeb2b6;
  --aco-100:    #eceeef;
  --aco-50:     #f5f6f7;
  --branco:     #ffffff;

  --bg:         #ffffff;
  --bg-alt:     #f3f4f5;
  --texto:      #26282b;
  --muted:      #5f6870;

  --linha:      #dde0e4;
  --linha-d:    rgba(255,255,255,.09);

  --r:          8px;
  --r-sm:       6px;
  --sh-1:       0 1px 3px rgba(0,0,0,.07);
  --sh-2:       0 2px 6px rgba(0,0,0,.05), 0 14px 44px rgba(0,0,0,.10);
  --sh-3:       0 4px 12px rgba(0,0,0,.07), 0 28px 64px rgba(0,0,0,.14);
  --maxw:       1200px;

  --ff-title:   'Saira Condensed','Arial Narrow',Arial,sans-serif;
  --ff-body:    'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --ff-mono:    'Courier New',Courier,monospace;

  --sec-pad:    clamp(72px, 9vw, 116px);
}

/* ---- reset / base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-body);
  color: var(--texto);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img   { max-width: 100%; display: block; }
a     { color: inherit; text-decoration: none; }
p     { margin: 0; }
h1, h2, h3, h4 {
  font-family: var(--ff-title);
  font-weight: 700;
  margin: 0;
  line-height: 1.1;
  letter-spacing: -.003em;
}
.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.container  { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ============================================================
   ÍCONES (linha técnica, currentColor)
   ============================================================ */
.ico {
  width: 24px; height: 24px; flex: 0 0 auto; display: inline-block;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round; vertical-align: middle;
}
.ico-sm  { width: 18px; height: 18px; }
.ico-lg  { width: 36px; height: 36px; stroke-width: 1.4; }
.ico-orange { color: var(--laranja); }

/* ============================================================
   KICKER / EYEBROW
   ============================================================ */
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-body); font-weight: 600; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .22em; color: var(--muted);
  margin-bottom: 18px;
}
.kicker-num {
  font-family: var(--ff-title); font-weight: 700;
  font-size: .9rem; letter-spacing: 0; color: var(--laranja-d);
}
.kicker-rule { width: 36px; height: 1px; background: var(--laranja); opacity: .5; }
.kicker-light { color: rgba(174,178,182,.7); }
.kicker-light .kicker-num  { color: var(--laranja-l); }
.kicker-light .kicker-rule { opacity: .35; }

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--ff-body); font-weight: 600; font-size: .96rem;
  padding: 14px 28px; border-radius: var(--r-sm); cursor: pointer;
  border: 1.5px solid transparent;
  transition:
    background   .18s ease,
    color        .18s ease,
    border-color .18s ease,
    box-shadow   .18s ease,
    transform    .12s ease;
  line-height: 1; white-space: nowrap;
}
.btn .ico    { stroke-width: 1.9; }
.btn:active  { transform: translateY(1px); }

.btn-primary {
  background: var(--laranja); color: #fff;
  box-shadow: 0 2px 10px rgba(244,128,31,.30);
}
.btn-primary:hover {
  background: var(--laranja-d);
  box-shadow: 0 4px 18px rgba(244,128,31,.42);
}
.btn-ghost {
  background: transparent; color: var(--grafite);
  border-color: var(--linha);
}
.btn-ghost:hover { border-color: var(--grafite); background: rgba(0,0,0,.02); }
.btn-ghost-light {
  background: rgba(255,255,255,.06); color: #fff;
  border-color: rgba(255,255,255,.22);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.4);
}
.btn-sm    { padding: 11px 20px; font-size: .9rem; }
.btn-block { width: 100%; }
.ico-brand { flex: 0 0 auto; }

/* link de cotação (dentro dos cards de produto) */
.link-cta {
  display: flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: .88rem; color: var(--grafite);
  border-top: 1px solid var(--linha);
  padding: 14px 20px 18px;
  width: 100%;
  margin-top: auto;
  transition: color .18s ease, background .18s ease;
}
.link-cta .ico   { stroke-width: 2; transition: transform .22s ease; }
.link-cta:hover  { color: var(--laranja-d); background: rgba(244,128,31,.03); }
.link-cta:hover .ico { transform: translateX(5px); color: var(--laranja); }

/* ============================================================
   HEADER — sticky, vidro escuro
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(26,28,30,.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 2px 28px rgba(0,0,0,.35);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; gap: 18px;
}
.brand       { display: flex; align-items: center; }
.brand-logo  { height: 36px; width: auto; }
.main-nav    { display: none; }

.nav-toggle {
  display: flex; background: none; border: 0; cursor: pointer;
  padding: 10px; flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 26px; height: 2px;
  background: #fff; border-radius: 2px; transition: .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* nav mobile */
.main-nav {
  position: fixed; top: 70px; left: 0; right: 0;
  background: rgba(18,20,22,.98);
  flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transform: translateY(-130%);
  transition: transform .28s ease;
  box-shadow: 0 32px 64px rgba(0,0,0,.6);
}
.main-nav.open { display: flex; transform: translateY(0); }
.main-nav a {
  color: #c4c8cc; font-size: 1rem; font-weight: 500;
  padding: 16px 24px; border-bottom: 1px solid rgba(255,255,255,.05);
  transition: color .15s, background .15s;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,.03); }
.main-nav .nav-cta {
  background: var(--laranja); color: #fff;
  margin: 12px 24px 8px; text-align: center;
  border-radius: var(--r-sm); font-weight: 600; border-bottom: 0;
}
.main-nav .nav-cta:hover { background: var(--laranja-d); }

/* ============================================================
   HERO — full-bleed com foto industrial
   ============================================================ */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    linear-gradient(
      160deg,
      rgba(12,14,16,.92)  0%,
      rgba(20,22,24,.80) 50%,
      rgba(29,31,33,.65) 100%
    ),
    url(assets/hero-industrial.webp) center / cover no-repeat;
  min-height: clamp(300px, 44vh, 460px);
  padding: clamp(64px,8vw,120px) 0 clamp(40px,5vw,64px);
  display: flex;
  align-items: flex-start;
}

/* grade de engenharia sobre a foto */
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .28;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(130% 110% at 70% 5%, #000 18%, transparent 72%);
          mask-image: radial-gradient(130% 110% at 70% 5%, #000 18%, transparent 72%);
}

/* conteúdo do hero */
.hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; gap: 0;
  width: 100%;
}
.hero-copy {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.hero-copy::before { display: none; }

.hero h1 {
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -.008em;
  line-height: 1.06;
  text-shadow: 0 2px 24px rgba(0,0,0,.5);
}
.hero h1 .hl { color: var(--laranja-l); }

.hero-sub {
  color: rgba(208,214,220,.88);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.72;
  text-shadow: 0 1px 10px rgba(0,0,0,.3);
}

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }

.hero-points {
  list-style: none; padding: 0;
  margin: 0 auto 28px;
  display: flex; flex-direction: column; gap: 13px;
  align-items: center; width: fit-content;
}
.hero-points li {
  display: flex; align-items: flex-start; gap: 12px;
  color: rgba(218,222,226,.88); font-size: .97rem;
  text-shadow: 0 1px 6px rgba(0,0,0,.25);
}
.hero-points .ico { margin-top: 2px; flex-shrink: 0; }

/* badge "+30 anos" — encorpado, credencial */
.hero-credit {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .88rem; color: rgba(174,178,182,.9);
  padding: 11px 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-sm);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  width: fit-content;
}
.hero-credit strong { color: #fff; font-weight: 700; }

/* painel técnico (compatibilidade — não-usado no hero atual) */
.hero-art   { display: flex; justify-content: center; }
.tech-panel {
  position: relative; width: 100%; max-width: 380px;
  background: linear-gradient(180deg,rgba(255,255,255,.04),rgba(0,0,0,.2)),var(--grafite);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r);
  padding: 30px 26px 22px;
}
.panel-media {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 240px;
}
.tank-svg  { width: 100%; height: auto; max-height: 300px; filter: drop-shadow(0 18px 26px rgba(0,0,0,.45)); }
.panel-ruler {
  position: absolute; left: 26px; right: 26px; top: 18px; height: 8px; pointer-events: none;
  background-image: repeating-linear-gradient(90deg,rgba(255,255,255,.28) 0 1px,transparent 1px 13px);
  -webkit-mask-image: linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
          mask-image: linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
}
.panel-caption {
  display: flex; flex-direction: column; gap: 3px; margin-top: 14px;
  padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12);
}
.cap-code { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--laranja-l); font-weight: 600; }
.cap-name { font-family: var(--ff-title); font-weight: 600; font-size: 1.05rem; color: #eceeef; letter-spacing: .01em; }

/* cantoneiras de engenharia */
.corner                  { position: absolute; width: 14px; height: 14px; border: 1.5px solid rgba(244,128,31,.65); pointer-events: none; }
.corner.tl               { top:    10px; left:  10px; border-right: 0; border-bottom: 0; }
.corner.tr               { top:    10px; right: 10px; border-left:  0; border-bottom: 0; }
.corner.bl               { bottom: 10px; left:  10px; border-right: 0; border-top:    0; }
.corner.br               { bottom: 10px; right: 10px; border-left:  0; border-top:    0; }

/* ============================================================
   BANDA DE CREDIBILIDADE — números premium
   ============================================================ */
.trust-strip {
  background: var(--ink);
  border-top:    2px solid var(--laranja);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.trust-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,.09);  /* gap vira divisor hairline */
  padding: 0;
}
.trust-item {
  display: flex; flex-direction: column; gap: 3px;
  padding: 18px 22px;
  background: var(--ink);
}
.trust-item strong {
  font-family: var(--ff-title);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--laranja);
  display: block;
}
.trust-item span {
  color: #8b9096;
  font-size: .74rem;
  line-height: 1.35;
  font-weight: 500;
}

/* ============================================================
   SEÇÃO BASE
   ============================================================ */
.section {
  padding: var(--sec-pad) 0;
  border-top: 1px solid var(--linha);
}
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin: 0 0 clamp(44px,5.5vw,64px); }
.section-head h2 {
  font-size: clamp(1.9rem, 5.6vw, 3rem);
  color: var(--ink);
  max-width: 18ch;
  line-height: 1.06;
}
.section-lead {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.04rem;
  max-width: 60ch;
  line-height: 1.72;
}
.section-head-light h2 { color: #fff; max-width: 22ch; }

/* ============================================================
   LINHA DE PRODUTOS — cards premium
   ============================================================ */
.product-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

.product-card {
  background: #fff;
  border: 1px solid var(--linha);
  border-radius: var(--r);
  padding: 0;
  display: flex; flex-direction: column; gap: 0;
  overflow: hidden;
  transition:
    border-color .28s ease,
    box-shadow   .28s ease,
    transform    .28s ease;
}
.product-card:hover {
  border-color: rgba(244,128,31,.42);
  box-shadow: var(--sh-3);
  transform: translateY(-5px);
}

/* imagem full-bleed com zoom no hover */
.pc-media { position: relative; overflow: hidden; }
.pc-media-img {
  height: auto;
  aspect-ratio: 16 / 9;
  padding: 0;
  background: #0e1012;
  overflow: hidden;
  border-radius: 0;
}
.pc-media-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .65s cubic-bezier(.25,.46,.45,.94);
  border-radius: 0;
}
.product-card:hover .pc-media-img img { transform: scale(1.05); }

/* conteúdo textual dentro do card */
.pc-pill {
  align-self: flex-start;
  font-family: var(--ff-title);
  font-weight: 700; font-size: 1.18rem;
  color: var(--ink); letter-spacing: .005em; line-height: 1.15;
  padding: 18px 20px 0;
  margin: 0;
}
.pc-desc {
  color: var(--muted); font-size: .91rem; flex: 1;
  padding: 10px 20px 0;
  line-height: 1.65; margin: 0;
}
.pc-note {
  position: absolute; bottom: 8px; right: 9px;
  font-size: .62rem; letter-spacing: .06em; text-transform: uppercase;
  color: #9aa0a4; background: rgba(255,255,255,.82);
  padding: 3px 8px; border-radius: 5px; border: 1px solid var(--linha);
}
.tank-mini { width: 66%; height: auto; filter: drop-shadow(0 10px 14px rgba(0,0,0,.12)); }

/* ============================================================
   ESPECIFICAÇÃO TÉCNICA — ficha de engenharia
   ============================================================ */
.spec-std-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--linha);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--sh-1);
}
.spec-std {
  background: #fff;
  border-bottom: 1px solid var(--linha);
  border-radius: 0;
  padding: 15px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background .15s;
}
.spec-std:last-child  { border-bottom: none; }
.spec-std:hover       { background: #fafbfb; }
.spec-std span {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--laranja-d);
  font-weight: 700;
}
.spec-std b {
  color: var(--ink);
  font-weight: 600;
  font-size: .93rem;
  font-family: var(--ff-mono);
  letter-spacing: .01em;
}

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--linha);
  border: 1px solid var(--linha);
  border-radius: var(--r);
  overflow: hidden;
}
.feature-card {
  background: #fff;
  padding: 30px 26px;
  transition: background .18s ease;
}
.feature-card:hover { background: #fafbfb; }

.feat-ico {
  width: 50px; height: 50px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--laranja); margin-bottom: 18px;
  border: 1px solid rgba(255,255,255,.07);
  box-shadow: 0 2px 10px rgba(0,0,0,.22);
}
.feat-ico .ico { width: 22px; height: 22px; }

.feature-card h3 { font-size: 1.22rem; color: var(--ink); margin-bottom: 8px; }
.feature-card p  { color: var(--muted); font-size: .91rem; line-height: 1.65; }

/* ============================================================
   SETORES — fundo escuro
   ============================================================ */
.section-dark {
  background: linear-gradient(140deg, #252829 0%, var(--ink) 60%);
  color: #fff;
  border-top-color: rgba(255,255,255,.07);
}
.sector-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sector-chip {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--r-sm);
  padding: 18px 18px;
  font-family: var(--ff-title); font-weight: 600; font-size: 1.06rem;
  letter-spacing: .01em;
  transition: border-color .22s ease, background .22s ease, transform .22s ease;
}
.sector-chip .ico { color: var(--laranja-l); }
.sector-chip:hover {
  border-color: rgba(244,128,31,.5);
  background: rgba(244,128,31,.07);
  transform: translateY(-2px);
}

/* ============================================================
   COMO FUNCIONA (processo) — 4 etapas
   ============================================================ */
.steps { display: grid; grid-template-columns: 1fr; gap: 16px; }
.step {
  position: relative; background: #fff;
  border: 1px solid var(--linha);
  border-radius: var(--r);
  padding: 28px 24px;
  transition: border-color .22s ease, box-shadow .22s ease;
}
.step:hover { border-color: rgba(244,128,31,.35); box-shadow: var(--sh-2); }

.step-num {
  position: absolute; top: 18px; right: 20px;
  font-family: var(--ff-title); font-weight: 800;
  font-size: 2.2rem; color: rgba(220,224,228,.55); line-height: 1;
  letter-spacing: -.02em;
}
.step-ico {
  width: 48px; height: 48px; border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--laranja); margin-bottom: 18px;
  border: 1px solid rgba(255,255,255,.06);
  box-shadow: 0 2px 10px rgba(0,0,0,.22);
}
.step-ico .ico { width: 22px; height: 22px; }
.step h3 { font-size: 1.22rem; color: var(--ink); margin-bottom: 8px; }
.step p  { color: var(--muted); font-size: .91rem; line-height: 1.65; }

/* ============================================================
   AUTORIDADE — bloco escuro com credenciais em destaque
   ============================================================ */
#autoridade {
  background: linear-gradient(148deg, #222527 0%, var(--ink) 65%);
  border-top: 1px solid rgba(255,255,255,.07);
}
/* sobrescreve section-alt para darkmode */
#autoridade .kicker           { color: rgba(174,178,182,.65); }
#autoridade .kicker-num       { color: var(--laranja-l); }
#autoridade .kicker-rule      { opacity: .32; }
#autoridade .section-head h2  { color: #fff; }

.authority { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center; }

.authority-copy h2 {
  font-size: clamp(2.1rem, 6.5vw, 3.6rem);
  color: #fff; margin: 0 0 20px;
  line-height: 1.02; max-width: 16ch;
}
.authority-copy p           { color: #9ba1a7; margin-bottom: 16px; line-height: 1.74; }
.authority-copy p strong    { color: var(--laranja-l); font-weight: 700; }
.authority-copy .btn        { margin-top: 12px; }

.authority-proof { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.proof-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-sm); overflow: hidden;
}
.proof-ph {
  aspect-ratio: 3/4; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
  text-align: center; padding: 18px;
  background: rgba(255,255,255,.03);
  color: rgba(174,178,182,.45); font-size: .78rem; font-weight: 500;
}
.proof-ph .ico { color: rgba(174,178,182,.28); }

/* ============================================================
   FORMULÁRIO DE COTAÇÃO
   ============================================================ */
.section-form { background: var(--bg-alt); }
.form-wrap  { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: start; }

.form-intro h2 { font-size: clamp(1.65rem, 5vw, 2.5rem); color: var(--ink); margin: 0 0 16px; }
.form-intro p  { color: var(--muted); margin-bottom: 20px; line-height: 1.72; }

.form-bullets {
  list-style: none; padding: 0; margin: 0 0 24px;
  display: flex; flex-direction: column; gap: 11px;
}
.form-bullets li {
  display: flex; align-items: flex-start; gap: 10px;
  color: var(--texto); font-size: .95rem;
}
.form-bullets .ico { margin-top: 2px; }

.quote-form {
  background: #fff;
  border: 1px solid var(--linha);
  border-radius: var(--r);
  padding: 28px 26px;
  box-shadow: var(--sh-2);
}
.field         { margin-bottom: 16px; display: flex; flex-direction: column; }
.field-row     { display: grid; grid-template-columns: 1fr; gap: 0; }
.field label   {
  font-size: .73rem; font-weight: 700; color: var(--ink);
  margin-bottom: 7px; letter-spacing: .1em; text-transform: uppercase;
}
.field input,
.field select,
.field textarea {
  font-family: var(--ff-body); font-size: .95rem; color: var(--texto);
  padding: 12px 14px;
  border: 1.5px solid var(--linha);
  border-radius: var(--r-sm); background: #fff;
  transition: border-color .15s, box-shadow .15s; width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--laranja);
  box-shadow: 0 0 0 3px rgba(244,128,31,.13);
}
.field textarea { resize: vertical; }
.form-note {
  text-align: center; font-size: .78rem; color: var(--muted); margin-top: 14px;
}
.form-success {
  margin-top: 16px; background: #eef7f1; border: 1px solid #bfe2cc;
  color: #1c7a42; border-radius: var(--r-sm);
  padding: 14px 16px; font-size: .92rem; font-weight: 600; text-align: center;
}

/* ============================================================
   PRODUTO DETALHADO (detail-card — compatibilidade)
   ============================================================ */
.detail-card {
  display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center;
  background: #fff; border: 1px solid var(--linha); border-radius: var(--r);
  padding: 18px; margin-bottom: 18px; scroll-margin-top: 84px;
}
.detail-card:last-child { margin-bottom: 0; }
.detail-media {
  position: relative;
  background: linear-gradient(150deg,#fafbfb,#e7ebec);
  border: 1px solid var(--linha); border-radius: var(--r-sm);
  min-height: 220px; display: flex; align-items: center; justify-content: center; padding: 24px;
}
.detail-media .corner { border-color: rgba(46,46,46,.28); }
.tank-detail  { width: 100%; height: auto; max-height: 220px; filter: drop-shadow(0 14px 18px rgba(0,0,0,.12)); }
.detail-body h3   { font-size: clamp(1.4rem,4.4vw,1.85rem); color: var(--ink); margin-bottom: 10px; }
.detail-intro     { color: var(--muted); margin-bottom: 20px; }
.info-box         { background: var(--bg-alt); border: 1px solid var(--linha); border-radius: var(--r-sm); padding: 18px 20px; margin-bottom: 20px; }
.info-box-head    { display: flex; align-items: center; gap: 9px; font-family: var(--ff-title); font-weight: 700; font-size: 1.12rem; color: var(--ink); margin-bottom: 6px; }
.info-cod         { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--laranja-d); font-weight: 600; margin-bottom: 14px; }
.spec-list        { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 8px 18px; }
.spec-list li     { position: relative; padding-left: 22px; font-size: .9rem; color: var(--texto); }
.spec-list li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 9px; height: 5px;
  border-left: 2px solid var(--laranja); border-bottom: 2px solid var(--laranja);
  transform: rotate(-45deg);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--linha); border-radius: var(--r);
  overflow: hidden; background: #fff;
  box-shadow: var(--sh-1);
}
.faq-item           { border-bottom: 1px solid var(--linha); }
.faq-item:last-child{ border-bottom: 0; }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 20px 22px;
  font-family: var(--ff-title); font-weight: 600;
  font-size: 1.14rem; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  transition: background .15s;
}
.faq-item summary:hover         { background: #fafbfb; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 1.6rem; color: var(--laranja);
  transition: transform .22s ease; line-height: 1; flex-shrink: 0;
}
.faq-item[open] summary::after  { transform: rotate(45deg); }
.faq-item[open] summary         { background: #fafbfb; }
.faq-a { padding: 0 22px 22px; color: var(--muted); font-size: .95rem; line-height: 1.72; }

/* ============================================================
   RODAPÉ
   ============================================================ */
.site-footer {
  background: #14171a;
  color: #bec3c7;
  border-top: 3px solid var(--laranja);
}
.footer-inner {
  display: grid; grid-template-columns: 1fr;
  gap: 36px; padding: 52px 22px 40px;
}
.footer-logo { height: 38px; width: auto; margin-bottom: 18px; }
.footer-brand p { font-size: .9rem; max-width: 320px; color: #828689; line-height: 1.74; }

.footer-col h4 {
  font-family: var(--ff-body);
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: #fff; margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-weight: 700;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a,
.footer-col li   { font-size: .88rem; color: #8a9096; transition: color .15s; }
.footer-col a:hover { color: var(--laranja-l); }

.footer-bar { border-top: 1px solid rgba(255,255,255,.07); padding: 18px 0; }
.footer-bar .container {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 8px;
}
.footer-bar span { font-size: .76rem; color: #5e6266; }

/* ============================================================
   WHATSAPP FLUTUANTE
   ============================================================ */
.whats-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 26px rgba(37,211,102,.50);
  transition: transform .2s ease, box-shadow .2s ease;
}
.whats-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 36px rgba(37,211,102,.60);
}

/* ============================================================
   BREAKPOINTS — mobile-first
   ============================================================ */
@media (min-width: 560px) {
  .container   { padding: 0 30px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .steps        { grid-template-columns: 1fr 1fr; }
  .sector-grid  { grid-template-columns: repeat(3, 1fr); }
  .field-row    { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; }

  /* spec: linha horizontal com label esquerda + valor direita */
  .spec-std {
    flex-direction: row;
    align-items: baseline;
    gap: 0;
    padding: 16px 26px;
  }
  .spec-std span {
    flex: 0 0 170px;
    border-right: 2px solid rgba(244,128,31,.18);
    padding-right: 20px;
    margin-right: 20px;
  }
  .spec-std b { flex: 1; }
}

@media (min-width: 880px) {
  .nav-toggle { display: none; }
  .main-nav {
    position: static; display: flex; flex-direction: row;
    align-items: center; gap: 30px;
    background: none; transform: none; padding: 0; border: 0; box-shadow: none;
  }
  .main-nav a { border: 0; padding: 0; color: #c4c8cc; font-size: .92rem; }
  .main-nav a:hover { color: #fff; background: none; }
  .main-nav .nav-cta { margin: 0; padding: 9px 18px; }
  .header-inner { height: 74px; }
  .brand-logo   { height: 38px; }

  /* hero: volta ao bloco (sem column) */
  .hero-inner { display: block; }
  .hero-copy  { max-width: 900px; }

  /* grids: banda de números e produtos no desktop */
  .trust-inner   { grid-template-columns: repeat(4, 1fr); }
  .product-grid  { grid-template-columns: repeat(3, 1fr); }
  .feature-grid  { grid-template-columns: repeat(3, 1fr); }
  .steps         { grid-template-columns: repeat(4, 1fr); }

  /* detail-card (compatibilidade) */
  .detail-card   { grid-template-columns: .92fr 1.08fr; gap: 34px; padding: 26px; }
  .detail-reverse .detail-media { order: 2; }
  .spec-list     { grid-template-columns: 1fr 1fr; }

  /* autoridade */
  .authority      { grid-template-columns: 1fr; gap: 48px; }
  .authority-copy { max-width: 840px; }

  /* formulário */
  .form-wrap { grid-template-columns: .88fr 1.12fr; gap: 52px; }

  /* footer */
  .footer-inner { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding: 62px 30px 46px; }
}

@media (min-width: 1080px) {
  .hero h1 { font-size: 3.6rem; }
  .spec-std span { flex: 0 0 190px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration:      .01ms !important;
    animation-iteration-count: 1  !important;
    transition-duration:     .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- grupos da linha de produtos ---- */
.prod-group{
  font-family:var(--ff-title);font-weight:700;
  font-size:clamp(1.15rem,3.2vw,1.55rem);color:var(--ink);
  display:flex;align-items:center;gap:14px;margin:6px 0 18px;letter-spacing:.01em;
}
.prod-group span{white-space:nowrap;}
.prod-group::after{content:"";flex:1;height:1px;background:var(--linha);}
.product-grid + .prod-group{margin-top:44px;}

/* ---- banners full-width: reservatórios de água ---- */
.product-wide-grid{display:grid;grid-template-columns:1fr;gap:22px;}
.product-wide{padding:0;overflow:hidden;}
.product-wide .pc-media-img{aspect-ratio:16/9;}
.pw-body{padding:18px 22px;display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.pw-text{display:flex;flex-direction:column;gap:8px;}
.pw-body .btn{align-self:flex-start;}
@media(min-width:760px){
  .product-wide-grid{grid-template-columns:1fr 1fr;}
}

/* ---- botão voltar ao topo ---- */
.to-top{
  position:fixed; right:20px; bottom:86px; z-index:60;
  width:50px; height:50px; border-radius:50%;
  background:var(--ink); color:#fff; border:1px solid rgba(255,255,255,.16);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  box-shadow:0 6px 22px rgba(0,0,0,.35);
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease, background .2s ease, border-color .2s ease;
}
.to-top.show{opacity:1; visibility:visible; transform:translateY(0);}
.to-top:hover{background:var(--laranja); border-color:var(--laranja);}

/* ============================================================
   TELAS — rolagem por seção, sem quebra no meio
   ============================================================ */
/* âncora dos links do menu cai exatamente abaixo do cabeçalho (offset único) */
html{ scroll-padding-top: 74px; }

/* TELA 1: cabeçalho + banner + faixa preenchem a tela (faixa colada no rodapé, sem borda branca) */
.screen-top{
  min-height: calc(100vh - 74px);
  min-height: calc(100dvh - 74px);
  display: flex; flex-direction: column;
}
.screen-top .hero{ flex: 1 1 auto; min-height: 0; }
.screen-top .trust-strip{ flex: 0 0 auto; }

/* seções que preenchem a tela, com o conteúdo iniciando no TOPO */
#produtos, #diferenciais, #setores, #processo{
  min-height: calc(100vh - 74px);
  min-height: calc(100dvh - 74px);
  display: flex; flex-direction: column; justify-content: flex-start;
  padding-top: clamp(24px, 3.5vw, 44px);
}