/* Vostok · areia quente, painéis petróleo arredondados, mostarda para ação, títulos estendidos finos. */
:root {
  --sand: #ede8e0;
  --card: #fbfaf8;
  --ink: #051115;
  --petrol: #0a262c;
  --petrol-2: #154a5a;
  --teal: #20738c;
  --pupil: #ebc354;
  --night: var(--petrol);
  --white: #fbfaf8;
  /* tokens de superfície: componentes usam estes; painéis e cartões trocam o escopo */
  --ground: var(--sand);
  --raised: var(--card);
  --text: var(--ink);
  --text-2: #4f5759;
  --line: #d9d1c5;
  --shadow: 0 1px 2px rgba(5, 17, 21, .05), 0 24px 48px -28px rgba(5, 17, 21, .28);
  --r: 20px;
  --max: 1200px;
  --f: "Figtree", system-ui, sans-serif;
  --fd: "Archivo", "Figtree", system-ui, sans-serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --z-top: 10;
  --z-float: 20;
  --z-skip: 30;
}
/* cartão claro: OS, formulários, fichas */
.paper, .sheet, .os {
  --ground: var(--card);
  --raised: #f3eee6;
  --text: var(--ink);
  --text-2: #4f5759;
  --line: #e4dbd0;
  background: var(--ground);
  color: var(--text);
}
/* painéis petróleo: hero, faixa, rodapé */
.hero, .band, .foot {
  --ground: var(--petrol);
  --raised: #12343c;
  --text: var(--white);
  --text-2: rgba(251, 250, 248, .72);
  --line: rgba(251, 250, 248, .16);
  color: var(--text);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--line) var(--ground); }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 400 17px/1.6 var(--f);
  caret-color: var(--teal);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--pupil); color: var(--ink); }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
h1, h2, h3, .os-head strong {
  font-family: var(--fd);
  font-variation-settings: "wdth" 125;
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.2rem, 4.6vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.3vw, 2.75rem); }
h3 { font-size: 1.25rem; line-height: 1.2; font-weight: 500; }
p { margin: 0 0 1em; text-wrap: pretty; }
.num, .ledger, .os { font-variant-numeric: tabular-nums; }

.wrap { width: min(var(--max), 100% - 40px); margin-inline: auto; }
.section { padding: clamp(72px, 10vw, 128px) 0 clamp(80px, 11vw, 144px); }
.muted { color: var(--text-2); }
.lead { font-size: 1.2rem; color: var(--text-2); max-width: 34em; }
.small { font-size: .82rem; color: var(--text-2); }
.label {
  font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--white); color: var(--night); padding: 10px 14px; z-index: var(--z-skip); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 2px; }

/* header */
.top { position: sticky; top: 0; z-index: var(--z-top); padding: 12px 12px 0; }
.top .wrap { width: min(var(--max) + 48px, 100%); display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 64px; padding: 0 20px 0 24px; background: #fff; border-radius: 14px; box-shadow: var(--shadow); }
.top .btn-primary { background: var(--petrol); border-color: var(--petrol); color: var(--white); }
.top .btn-primary:hover { background: var(--teal); border-color: var(--teal); }
.logo { display: inline-flex; }
.logo img { height: 20px; width: auto; }
.nav { display: flex; gap: 28px; font-size: .95rem; font-weight: 500; }
.nav a { text-decoration: none; color: var(--text-2); padding: 6px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav a:hover { color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); border-color: var(--teal); }
@media (max-width: 860px) { .nav { display: none; } }

/* buttons: primário é o azul do ponto da logo */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 10px;
  font: 600 .98rem/1 var(--f);
  text-decoration: none; border: 1.5px solid var(--text); cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s, color .2s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--pupil); border-color: var(--pupil); color: var(--ink); }
.btn-primary:hover { background: #f2d27c; border-color: #f2d27c; }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: var(--text); color: var(--ground); }
.btn-sm { min-height: 42px; padding: 0 18px; font-size: .9rem; }
.link {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600; text-decoration: none;
  border-bottom: 1.5px solid var(--text); padding: 4px 0;
}
.link:hover { border-color: var(--teal); }
.hero .link:hover, .band .link:hover { border-color: var(--pupil); }
.arrow::after {
  content: ""; width: 18px; height: 12px; flex: none; background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 12'%3E%3Cpath d='M0 6h16M11 1l5 5-5 5' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 12'%3E%3Cpath d='M0 6h16M11 1l5 5-5 5' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .25s var(--ease);
}
a:hover > .arrow::after, a.arrow:hover::after { transform: translateX(4px); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }

/* hero: painel petróleo arredondado, texto à esquerda */
.hero { margin: 12px; border-radius: 24px; overflow: hidden; display: grid; align-items: center; min-height: min(calc(100dvh - 100px), 760px); padding: clamp(64px, 9vw, 120px) 0; background: linear-gradient(160deg, var(--petrol-2) 0%, #0f3a45 50%, var(--petrol) 100%); }
.hero h1 { max-width: 15em; }
.hero .lead { margin-bottom: 34px; }
.hero-meta { margin: 38px 0 0; color: var(--text-2); }
.hero-meta span + span::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--pupil); margin: 0 12px .15em; }
.page-hero h1 { max-width: 16em; }
.h1-a { display: block; color: var(--text-2); }

/* OS: ficha branca sobre a noite */
.os {
  position: relative; padding: 26px 26px 22px; border-radius: var(--r); box-shadow: var(--shadow);
}
.os-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding-bottom: 14px; border-bottom: 2px solid var(--text); }
.os-head strong { font-size: 1.45rem; font-weight: 400; line-height: 1.05; font-family: var(--fd); }
.os-head .label { color: var(--text-2); }
.barcode {
  width: 96px; height: 30px; flex: none;
  background: repeating-linear-gradient(90deg, var(--text) 0 2px, transparent 2px 4px, var(--text) 4px 5px, transparent 5px 8px, var(--text) 8px 11px, transparent 11px 13px);
}
.os ol { list-style: none; margin: 0; padding: 0; }
.os li { display: grid; grid-template-columns: 34px 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.os li b { display: block; font-size: 1.1rem; line-height: 1.2; }
.os li span { display: block; font-size: .88rem; color: var(--text-2); line-height: 1.35; }
.os .code { font-weight: 700; font-size: .85rem; color: var(--text-2); }
.os .mark { width: 26px; height: 26px; border: 1.5px solid var(--text); border-radius: 50%; display: grid; place-items: center; }
.os .mark svg { width: 14px; animation: stamp .5s var(--ease) both; animation-delay: calc(var(--i, 0) * 180ms + 300ms); }
.os-foot { margin: 14px 0 0; font-size: .85rem; color: var(--text-2); }
@keyframes stamp { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@media (prefers-reduced-motion: reduce) { .os .mark svg { animation: none; } html { scroll-behavior: auto; } }

/* stations (serviços) */
.head { display: grid; gap: 12px 48px; grid-template-columns: minmax(0, 1fr) minmax(0, 26em); align-items: end; margin-bottom: 48px; }
.head p { margin: 0; }
@media (max-width: 800px) { .head { grid-template-columns: 1fr; } }
.stations { border-top: 1.5px solid var(--text); }
.station {
  display: grid; grid-template-columns: minmax(0, 13em) minmax(0, 1fr) 48px; gap: 12px 40px; align-items: center;
  padding: 30px 8px; border-bottom: 1px solid var(--line); text-decoration: none;
  transition: background-color .25s, padding .25s var(--ease);
}
.station:hover { background: var(--raised); border-radius: 14px; padding-inline: 20px 12px; }
.station h3 { margin: 0 0 6px; font-size: clamp(1.35rem, 2.2vw, 1.75rem); }
.station p { margin: 0; color: var(--text-2); max-width: 36em; }
.station .label { color: var(--text-2); }
.station .go { width: 48px; height: 48px; border: 1.5px solid var(--text); border-radius: 50%; display: grid; place-items: center; transition: background-color .2s, color .2s; }
.station:hover .go { background: var(--pupil); border-color: var(--pupil); color: var(--ink); }
@media (max-width: 700px) {
  .station { grid-template-columns: 1fr 44px; }
  .station .label { grid-column: 1 / -1; }
}

/* diferencial */
.split { display: grid; gap: 48px 72px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.sheet { border-radius: var(--r); box-shadow: var(--shadow); }
.checklist { list-style: none; margin: 0; padding: 8px 28px; }
.checklist li { display: grid; grid-template-columns: 30px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.checklist li:last-child { border-bottom: 0; }
.checklist b { display: block; font-size: 1.1rem; }
.checklist span { color: var(--text-2); }
.box { width: 26px; height: 26px; border: 1.5px solid var(--text); border-radius: 50%; margin-top: 2px; display: grid; place-items: center; background: var(--pupil); }
.box svg { width: 14px; }
.stamp {
  display: inline-block; margin-top: 28px; padding: 8px 14px; border: 1.5px solid var(--teal); border-radius: 10px;
  color: var(--teal); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; font-size: .8rem;
}

/* ledger (resultados) */
.ledger { border-top: 1.5px solid var(--text); margin-bottom: 32px; }
.ledger-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 24px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--line); }
.ledger-row strong { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 300; font-variation-settings: "wdth" 125; line-height: 1; font-family: var(--fd); color: var(--text-2); }
.ledger-row p { margin: 0; font-size: 1.15rem; }
.tag {
  display: inline-block; font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; margin-top: 6px;
}

/* form (OS de Raio X) */
.form { display: grid; gap: 20px; padding: 0 28px 28px; }
.form-head { margin: 0 -28px 8px; padding: 18px 28px; background: var(--petrol); color: var(--white); border-radius: var(--r) var(--r) 0 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.form-head strong { font-size: 1.2rem; font-weight: 400; font-variation-settings: "wdth" 125; font-family: var(--fd); }
.form-head .label { color: var(--pupil); }
label { font-size: .88rem; font-weight: 600; color: var(--text); display: grid; gap: 4px; }
input, select, textarea {
  font: 400 1.05rem var(--f); color: var(--text); background: transparent;
  border: 0; border-bottom: 1.5px solid var(--line); border-radius: 0; padding: 10px 2px; width: 100%;
  transition: border-color .2s;
}
input::placeholder { color: var(--text-2); }
select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230a1228' stroke-width='2'/%3E%3C/svg%3E") right 4px center / 12px no-repeat; padding-right: 24px; }
input:hover, select:hover { border-color: var(--text-2); }
input:focus, select:focus { outline: none; border-color: var(--text); box-shadow: 0 2px 0 var(--teal); }
input:user-invalid { border-color: #b3261e; }
.two { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .two { grid-template-columns: 1fr; } }
.form .btn { width: 100%; margin-top: 8px; }
.form .small { margin: 0; }

.check { list-style: none; padding: 0; margin: 24px 0 0; }
.check li { position: relative; padding: 14px 0 14px 32px; border-bottom: 1px dashed var(--line); }
.check b { display: block; }
.check li span { display: block; color: var(--text-2); font-size: .95rem; }
.check li::before { content: ""; position: absolute; left: 0; top: 17px; width: 16px; height: 16px; border: 1.5px solid var(--text); border-radius: 50%; background: var(--pupil); box-shadow: inset 0 0 0 4px var(--ground); }

/* faq */
.faq-grid { display: grid; gap: 32px 72px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); align-items: start; }
@media (max-width: 800px) { .faq-grid { grid-template-columns: 1fr; } }
.faq { border-top: 1.5px solid var(--text); }
details { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; align-items: center;
  padding: 22px 0; font-weight: 600; font-size: 1.12rem;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; width: 14px; height: 14px; flex: none; background: linear-gradient(var(--teal) 0 0) center / 100% 2px no-repeat, linear-gradient(var(--teal) 0 0) center / 2px 100% no-repeat; transition: rotate .25s var(--ease); }
details[open] summary::after { rotate: 45deg; }
summary:hover { color: var(--text-2); }
details p { color: var(--text-2); margin: 0 0 22px; max-width: 40em; }

/* faixa (indicação, CTA final): noite mais funda, número grande em branco */
.band { margin: 12px; border-radius: 24px; background: var(--petrol); }
.band .wrap { display: grid; gap: 24px 64px; grid-template-columns: auto minmax(0, 1fr); align-items: center; padding: clamp(56px, 7vw, 96px) 0; }
.band .big { margin: 0; }
.band h2 { font-size: clamp(1.4rem, 2.6vw, 2.1rem); margin-bottom: .4em; }
.band p { color: var(--text-2); max-width: 30em; }
@media (max-width: 760px) { .band .wrap { grid-template-columns: 1fr; } }

/* cards de case */
.cases { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.case { padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.case h3 { margin: 0; }
.case .num { font-size: 2.2rem; font-weight: 300; font-variation-settings: "wdth" 125; line-height: 1; font-family: var(--fd); color: var(--text-2); }
.case p { margin: 0; color: var(--text-2); }
.case .tag { align-self: flex-start; margin: 0 0 6px; }

/* footer */
.foot { margin: 12px; border-radius: 24px; background: var(--petrol); padding: 64px 0 32px; color: var(--text-2); font-size: .94rem; }
.foot-grid { display: grid; gap: 40px 64px; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); }
.foot .logo img { height: 22px; }
.foot-brand .logo { margin-bottom: 20px; }
.foot-brand p { max-width: 32em; }
.foot-brand p:not(.small) { color: var(--text); }
.foot-h { margin: 0 0 14px; font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--text-2); }
.foot nav, .foot-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.foot nav a, .foot-contact a { text-decoration: none; font-weight: 500; color: var(--text); }
.foot nav a:hover, .foot-contact a:hover { color: var(--pupil); }
.foot-contact p { margin: 6px 0 0; }
.foot-base { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: .85rem; }
.foot-base p { margin: 0; }
.foot-base a { color: var(--text-2); }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 420px) { .foot-grid { grid-template-columns: 1fr; } }

/* whatsapp flutuante: botão padrão verde, sempre visível */
.wa-float {
  position: fixed; right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); z-index: var(--z-float);
  width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; box-shadow: 0 4px 12px rgba(0, 0, 0, .35);
  transition: transform .2s var(--ease), background-color .2s;
}
.wa-float:hover { background: #1ebe5b; transform: scale(1.06); }
.wa-float:active { transform: scale(.97); }
.wa-float svg { width: 32px; height: 32px; }
@media (min-width: 861px) { .wa-float { right: 24px; bottom: 24px; } }
.prose { max-width: 720px; }
.prose h2 { font-size: 1.5rem; margin-top: 1.4em; }
.prose p, .prose li { color: var(--text-2); }

/* páginas internas */
.big { margin: 0; font-size: clamp(3.2rem, 9vw, 6.8rem); font-weight: 300; line-height: .9; letter-spacing: -.02em; font-variation-settings: "wdth" 125; font-family: var(--fd); }
.h-sub { font-size: clamp(1.4rem, 2.6vw, 2.1rem); margin-top: 20px; }
.page-hero .hero-meta { margin-top: 28px; }

/* comparação: agência genérica apagada à esquerda, ficha Vostok em papel à direita */
.versus { display: grid; gap: 32px 56px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); align-items: center; }
.versus h3 { font-size: 1.15rem; margin: 0 0 18px; }
.versus-them { color: var(--text-2); }
.versus-them h3 { color: var(--text-2); }
.versus-them ul { list-style: none; margin: 0; padding: 0; }
.versus-them li { position: relative; padding: 14px 0 14px 30px; border-bottom: 1px solid var(--line); text-decoration: line-through; text-decoration-color: rgba(79, 87, 89, .45); }
.versus-them li::before, .versus-them li::after { content: ""; position: absolute; left: 4px; top: 25px; width: 13px; height: 1.5px; background: currentColor; rotate: 45deg; }
.versus-them li::after { rotate: -45deg; }
.versus-us { padding-top: 26px; }
.versus-us h3 { margin: 0 28px; padding-bottom: 14px; border-bottom: 2px solid var(--text); }
@media (max-width: 860px) { .versus { grid-template-columns: 1fr; } }

/* CTA final */
.final { padding: clamp(80px, 11vw, 144px) 0; }
.final h2 { font-size: clamp(2rem, 4.6vw, 3.8rem); max-width: 14em; }
.final .lead { margin-bottom: 32px; }

.btn { white-space: nowrap; }
@media (max-width: 480px) {
  .top .logo img { height: 15px; }
  .top .btn-sm { padding: 0 14px; font-size: .85rem; }
}
.foot { padding-bottom: 104px; }
@media (max-width: 600px) { .hero, .band, .foot { margin: 8px; border-radius: 18px; } .top { padding: 8px 8px 0; } .top .wrap { padding: 0 12px 0 16px; } }