:root {
  --papel: #F4F5F1;
  --tinta: #15203A;
  --lacre: #C4122F;
  --nevoa: #DDE2E8;
  --grafite: #4A5468;
  --branco: #FFFFFF;
  --wa: #1A8F4C;
  --wa-hover: #157A40;

  --font: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.5rem, 1.2rem + 1vw, 1.95rem);
  --step-3: clamp(1.9rem, 1.4rem + 2vw, 2.75rem);
  --step-4: clamp(2.2rem, 1.5rem + 3vw, 3.6rem);

  --gutter: clamp(1rem, 4vw, 2.5rem);
  --max: 76rem;
  --header-h: 4.25rem;
  --dock-h: 0px;
  --radius-sm: 6px;
  --radius-pill: 999px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

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

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  font-variation-settings: "wdth" 100;
  padding-bottom: var(--dock-h);
  overflow-x: clip;
}

img, svg, iframe { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.12; text-wrap: balance; }
p { text-wrap: pretty; }
a { color: inherit; }

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

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

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--tinta); color: var(--branco);
  padding: .6rem 1rem; border-radius: var(--radius-sm);
}
.skip:focus { top: 1rem; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.muted { color: var(--grafite); max-width: 36rem; }

/* ---------- Botões ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 2.75rem;
  padding: .6rem 1.15rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  font: inherit; font-weight: 600; font-size: var(--step--1);
  text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .15s;
}
.btn:active { transform: scale(.97); }
.btn-lg { min-height: 3.25rem; padding: .8rem 1.5rem; font-size: 1rem; }
.btn-wa { background: var(--wa); color: var(--branco); }
.btn-wa:hover { background: var(--wa-hover); }
.btn-ghost { border-color: var(--tinta); color: var(--tinta); background: transparent; }
.btn-ghost:hover { background: var(--tinta); color: var(--papel); }
.btn-light { background: var(--papel); color: var(--tinta); }
.btn-light:hover { background: var(--branco); }

.icon { width: 1.25em; height: 1.25em; flex: none; }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: border-color .25s;
}
/* O desfoque fica num pseudo-elemento: backdrop-filter no próprio header
   prenderia o menu mobile (position: fixed) dentro dele */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--papel) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
}
.site-header.is-scrolled { border-bottom-color: var(--nevoa); }

.header-inner {
  display: flex; align-items: center; gap: 1.25rem;
  height: var(--header-h);
}

.brand {
  display: flex; align-items: center; gap: .65rem;
  text-decoration: none; color: var(--lacre);
  margin-right: auto;
}
.brand-mark { width: 3.4rem; height: auto; transition: width .25s var(--ease); }
.is-scrolled .brand-mark { width: 3rem; }
.brand-name {
  color: var(--tinta); font-size: .9rem; font-weight: 500; line-height: 1.15;
  max-width: 6.5rem;
}

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  position: relative;
  padding: .5rem .7rem;
  text-decoration: none; font-size: .95rem; font-weight: 500;
  color: var(--grafite);
  border-radius: var(--radius-sm);
  transition: color .2s;
}
.nav a:hover, .nav a.is-active { color: var(--tinta); }
.nav a::after {
  content: ""; position: absolute; left: .7rem; right: .7rem; bottom: .2rem;
  height: 2px; background: var(--lacre);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a.is-active::after { transform: scaleX(1); }
.nav .nav-call { display: none; }

.menu-toggle {
  display: none;
  width: 2.75rem; height: 2.75rem;
  border: 0; border-radius: var(--radius-pill);
  background: transparent; color: var(--tinta); cursor: pointer;
  position: relative;
}
.menu-bars, .menu-bars::before {
  position: absolute; left: 50%; top: 50%;
  width: 1.3rem; height: 2px; background: currentColor;
  transition: transform .3s var(--ease);
}
.menu-bars { transform: translate(-50%, -4px); }
.menu-bars::before { content: ""; left: 0; top: 0; transform: translateY(8px); }
.menu-toggle[aria-expanded="true"] .menu-bars { transform: translate(-50%, 0) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bars::before { transform: rotate(-90deg); }

@media (max-width: 1099px) {
  .menu-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 1rem var(--gutter) calc(2rem + var(--dock-h));
    background: var(--papel);
    overflow-y: auto;
    visibility: hidden; opacity: 0;
    transform: translateY(-.75rem);
    transition: opacity .25s var(--ease), transform .3s var(--ease), visibility 0s .3s;
  }
  .nav.is-open {
    visibility: visible; opacity: 1; transform: none;
    transition: opacity .25s var(--ease), transform .3s var(--ease);
  }
  .nav a {
    padding: 1rem 0;
    font-size: var(--step-2); font-weight: 600; color: var(--tinta);
    font-variation-settings: "wdth" 88;
    border-bottom: 1px solid var(--nevoa);
    border-radius: 0;
  }
  .nav a::after { display: none; }
  .nav a.is-active { color: var(--lacre); }
  .nav .nav-call { display: block; border-bottom: 0; color: var(--grafite); font-size: var(--step-1); }
  body.menu-open { overflow: hidden; }
}

@media (max-width: 767px) {
  .header-wa { display: none; }
  .brand-name { font-size: .8rem; }
}

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

.hero { padding-block: clamp(2rem, 6vw, 5rem) clamp(3rem, 7vw, 6rem); }

.mark-field { margin-bottom: clamp(2rem, 5vw, 3.5rem); }

.mark-label {
  display: block;
  font-size: var(--step--1); font-weight: 500; color: var(--grafite);
  margin-bottom: .25rem;
}

.mark-line {
  display: flex; align-items: flex-start;
  border-bottom: 2px solid var(--tinta);
  padding-bottom: .1em;
  font-size: clamp(3.25rem, 17vw, 10.5rem);
  min-width: 0;
}

.mark-input {
  --w: 100;
  --fit: 1;
  font: inherit;
  font-size: calc(1em * var(--fit));
  font-weight: 800;
  font-variation-settings: "wdth" var(--w);
  font-stretch: calc(var(--w) * 1%);
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--tinta);
  background: transparent;
  border: 0; padding: .08em 0 0; margin: 0 0 -.12em;
  width: 4ch; max-width: 100%;
  min-width: 1ch;
  outline: none;
  caret-color: var(--lacre);
}
.mark-input::placeholder { color: var(--tinta); opacity: .3; }
.mark-field:focus-within .mark-line { border-bottom-color: var(--lacre); }

.mark-reg {
  flex: none;
  font-size: .32em; font-weight: 500;
  color: var(--lacre);
  line-height: 1;
  margin-top: .3em; margin-left: .06em;
}

.mark-status {
  margin-top: .75rem;
  font-size: var(--step--1); color: var(--grafite);
  min-height: 1.6em;
}

.hero-grid {
  display: grid; gap: 1.5rem 3rem;
  grid-template-columns: 1fr;
}
.hero-title {
  font-size: var(--step-4); font-weight: 700;
  font-variation-settings: "wdth" 92;
  letter-spacing: -.02em;
  max-width: 16ch;
}
.lead { font-size: var(--step-1); line-height: 1.5; max-width: 34rem; color: var(--grafite); }
.hero-side { display: grid; gap: 1.5rem; align-content: start; }
.proof { font-size: var(--step--1); color: var(--grafite); padding-left: .85rem; border-left: 3px solid var(--lacre); }

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 7fr 5fr; align-items: start; }
  .hero-side { padding-top: .5rem; }
}

/* ---------- Seções ---------- */

.section { padding-block: clamp(3.5rem, 9vw, 7rem); }
.section h2 {
  font-size: var(--step-4); font-weight: 700;
  font-variation-settings: "wdth" 92;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}

.split { display: grid; gap: 2rem 4rem; }
@media (min-width: 900px) {
  .split { grid-template-columns: 4fr 8fr; }
  .split-head { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
}

/* Lista expansível (serviços e dúvidas) */

.services, .faq { border-top: 1px solid var(--tinta); }
.services details, .faq details { border-bottom: 1px solid var(--nevoa); }
.services details:last-child, .faq details:last-child { border-bottom-color: var(--tinta); }

summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.15rem 0;
  min-height: 3.5rem;
  cursor: pointer; list-style: none;
}
summary::-webkit-details-marker { display: none; }
.s-name {
  font-size: var(--step-2); font-weight: 600;
  font-variation-settings: "wdth" 96;
  line-height: 1.2;
  transition: color .2s;
}
.faq .s-name { font-size: var(--step-1); }
summary:hover .s-name { color: var(--lacre); }

.s-plus { position: relative; width: 1.1rem; height: 1.1rem; flex: none; }
.s-plus::before, .s-plus::after {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 100%; height: 2px; background: currentColor;
  transition: transform .3s var(--ease);
}
.s-plus::after { transform: rotate(90deg); }
details[open] .s-plus::after { transform: rotate(0deg); }
details[open] .s-name { color: var(--lacre); }

.s-body p { padding: 0 0 1.4rem; max-width: 40rem; color: var(--grafite); }

details::details-content {
  block-size: 0; overflow: clip;
  transition: block-size .35s var(--ease), content-visibility .35s allow-discrete;
}
details[open]::details-content { block-size: auto; }

/* Como funciona */

.section-ink { background: var(--tinta); color: var(--papel); }
.section-ink h2 { color: var(--branco); }
.lead-ink { color: color-mix(in srgb, var(--papel) 78%, var(--tinta)); margin-bottom: clamp(2rem, 5vw, 3.5rem); }

.steps {
  list-style: none; margin: 0 0 clamp(2rem, 5vw, 3rem); padding: 0;
  display: grid; gap: 0;
  counter-reset: passo;
}
.steps li {
  counter-increment: passo;
  display: grid; grid-template-columns: 3.25rem 1fr; gap: 0 1rem; align-content: start;
  padding: 1.25rem 0;
  border-top: 1px solid color-mix(in srgb, var(--papel) 22%, transparent);
}
.steps li::before {
  content: counter(passo);
  grid-row: span 2;
  font-size: 2.6rem; font-weight: 800; line-height: .9;
  font-variation-settings: "wdth" 70;
  color: var(--lacre);
  -webkit-text-stroke: 0;
}
.steps h3 { font-size: var(--step-1); font-weight: 600; margin-bottom: .35rem; color: var(--branco); }
.steps p { color: color-mix(in srgb, var(--papel) 75%, var(--tinta)); font-size: 1rem; }

@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
  .steps li { grid-template-columns: 1fr; padding-top: 1.5rem; border-top-width: 2px; }
  .steps li::before { font-size: 4.5rem; margin-bottom: 1rem; grid-row: auto; }
}

/* Empresa */

.about { display: grid; gap: 1.25rem; max-width: 42rem; }
.about-lede {
  font-size: var(--step-2); font-weight: 500; line-height: 1.35;
  font-variation-settings: "wdth" 96;
}
.about p:not(.about-lede) { color: var(--grafite); }
.signature { margin: 1rem 0 0; padding-top: 1.25rem; border-top: 1px solid var(--nevoa); }
.signature figcaption { display: grid; gap: .15rem; }
.signature strong { font-size: var(--step-1); }
.signature span { font-size: var(--step--1); color: var(--grafite); }

/* Clientes: parede tipográfica */

.section-mist { background: var(--nevoa); }

.wall {
  list-style: none; margin: clamp(2rem, 5vw, 3rem) 0 0; padding: 0;
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: .4rem 1.6rem;
}
.wall li {
  --w: 100; --wg: 600;
  font-size: var(--fs, 1.5rem);
  font-weight: var(--wg);
  font-variation-settings: "wdth" var(--w);
  font-style: var(--fst, normal);
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--tinta);
}
.wall li::after {
  content: "®";
  font-size: .45em; font-weight: 500; font-style: normal;
  color: var(--lacre);
  vertical-align: super;
  margin-left: .08em;
}

/* Contato */

.contact {
  display: grid; gap: 2.5rem 4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contact { grid-template-columns: 5fr 7fr; }
  .map { grid-column: 1 / -1; }
}

.channels { margin: 2rem 0 0; display: grid; gap: 1.25rem; }
.channels div { display: grid; gap: .1rem; }
.channels dt { font-size: var(--step--1); color: var(--grafite); }
.channels dd { margin: 0; font-size: var(--step-1); font-weight: 600; line-height: 1.35; }
.channels a { text-decoration: none; background: linear-gradient(var(--lacre), var(--lacre)) 0 100% / 0 2px no-repeat; transition: background-size .3s var(--ease); }
.channels a:hover { background-size: 100% 2px; }

.contact-form {
  display: grid; gap: 1.1rem; align-content: start;
  background: var(--branco);
  padding: clamp(1.25rem, 4vw, 2.25rem);
  border-radius: 14px;
  border: 1px solid var(--nevoa);
}
.field { display: grid; gap: .35rem; }
.field-row { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field label { font-size: var(--step--1); font-weight: 600; }
.field input, .field textarea {
  width: 100%;
  font: inherit; font-size: 1rem; color: var(--tinta);
  background: var(--papel);
  border: 1.5px solid var(--nevoa);
  border-radius: var(--radius-sm);
  padding: .75rem .85rem;
  min-height: 3rem;
  transition: border-color .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 7.5rem; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--tinta); background: var(--branco); }
.field [aria-invalid="true"] { border-color: var(--lacre); }
.form-error { color: var(--lacre); font-size: var(--step--1); font-weight: 600; }

.map { border-radius: 14px; overflow: hidden; border: 1px solid var(--nevoa); background: var(--nevoa); }
.map iframe { width: 100%; height: clamp(16rem, 40vw, 24rem); border: 0; }

/* Rodapé */

.site-footer {
  background: var(--tinta); color: color-mix(in srgb, var(--papel) 75%, var(--tinta));
  padding-block: 3rem;
  font-size: var(--step--1);
}
.footer-inner { display: grid; gap: 1.5rem; }
.footer-brand { color: var(--branco); font-weight: 700; font-size: var(--step-1); margin-bottom: .25rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.footer-nav a { text-decoration: none; padding-block: .5rem; }
.footer-nav a:hover { color: var(--branco); }
@media (min-width: 900px) {
  .footer-inner { grid-template-columns: 1fr auto auto; align-items: center; gap: 3rem; }
}

/* ---------- Dock de contato fixo ---------- */

.dock {
  position: fixed; z-index: 60;
  transition: transform .4s var(--ease), opacity .3s;
}
.dock.is-hidden { opacity: 0; pointer-events: none; }

.dock-btn {
  display: flex; align-items: center; justify-content: center; gap: .45rem;
  text-decoration: none; font-weight: 600;
}

@media (max-width: 767px) {
  :root { --dock-h: calc(4rem + env(safe-area-inset-bottom)); }
  .dock {
    left: 0; right: 0; bottom: 0;
    display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: .5rem;
    padding: .5rem .75rem calc(.5rem + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--papel) 92%, transparent);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--nevoa);
  }
  .dock.is-hidden { transform: translateY(110%); }
  .dock-btn {
    min-height: 3rem; border-radius: var(--radius-pill);
    font-size: .95rem; color: var(--tinta);
    border: 1.5px solid var(--nevoa); background: var(--branco);
  }
  .dock-wa { background: var(--wa); border-color: var(--wa); color: var(--branco); }
}

@media (min-width: 768px) {
  .dock { right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); }
  .dock.is-hidden { transform: scale(.8); }
  .dock-btn:not(.dock-wa) { display: none; }
  .dock-wa {
    height: 3.75rem; padding: 0 1.4rem 0 1.15rem;
    border-radius: var(--radius-pill);
    background: var(--wa); color: var(--branco);
    box-shadow: 0 10px 30px -8px rgba(21, 32, 58, .45);
    transition: background-color .2s, transform .2s var(--ease);
  }
  .dock-wa:hover { background: var(--wa-hover); transform: translateY(-2px); }
  .dock-wa .icon { width: 1.6rem; height: 1.6rem; }
}

/* ---------- Transições de navegação ---------- */

@view-transition { navigation: auto; }

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

@media (max-width: 559px) {
  .hero .actions .btn, .contact-form .actions .btn { flex: 1 1 100%; }
}