/* ════════════════════════════════════════════════
   Altus Construtora — site 2026
   Paleta tirada do logo: navy #1F3864 · ardósia #7E8C9F · creme #F3EEE4
   Sem dourado — o dourado é da Benate, e a Altus precisa não parecer derivada.
   Marca desenhada em SVG no próprio HTML: nítida em qualquer tamanho, sem arquivo.
   Sem fonte de CDN, sem dependência externa.
   ════════════════════════════════════════════════ */

:root {
  --papel:    #FFFFFF;
  --papel-2:  #F4F5F7;   /* concreto claro */
  --papel-3:  #E8EBF0;
  --tinta:    #14181F;   /* grafite */
  --tinta-2:  #2A313C;
  --navy:     #1F3864;   /* fundo do logo */
  --navy-2:   #16294A;
  --azul:     #2E5496;
  --slate:    #7E8C9F;   /* o desenho da marca */
  --slate-2:  #A9B5C4;
  --creme:    #F3EEE4;   /* o wordmark */
  --dim:      #5C6672;
  --linha:    #DCE0E7;
  --linha-2:  #C3C9D3;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Didot", "Bodoni 72", "Playfair Display", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Roboto Mono", monospace;

  --wrap: 74rem;
  --pad: clamp(1.15rem, 5vw, 3.5rem);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta-2);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--azul); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--azul); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad); }

.skip {
  position: absolute; left: -9999px;
  background: var(--navy); color: var(--creme);
  padding: .7rem 1rem; z-index: 100; font-weight: 600;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ── marca ─────────────────────────────────────── */
.marca { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.marca__mk { width: 2.15rem; height: 2.15rem; flex: none; color: var(--slate); }
.marca__txt { display: flex; flex-direction: column; line-height: 1; }
.marca__nome {
  font-family: var(--serif); font-size: 1.28rem; font-weight: 500;
  letter-spacing: .17em; color: var(--navy);
}
.marca__sub {
  font-size: .53rem; font-weight: 600; letter-spacing: .3em;
  color: var(--dim); margin-top: .3rem; padding-left: .12em;
}
/* versão sobre fundo navy */
.marca--luz .marca__nome { color: var(--creme); }
.marca--luz .marca__sub  { color: var(--slate-2); }
.marca--luz .marca__mk   { color: var(--slate); }

/* ── tipos ─────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--azul); margin: 0 0 1.5rem;
}
.eyebrow--luz { color: var(--slate-2); }

h1, h2, h3 { font-family: var(--sans); font-weight: 700; letter-spacing: -.022em; text-wrap: balance; color: var(--tinta); }
h1 { font-size: clamp(2.3rem, 5.6vw, 4.1rem); line-height: 1.05; margin: 0; }
h2 { font-size: clamp(1.65rem, 3.4vw, 2.5rem); line-height: 1.15; margin: 0; }
h3 { font-size: 1.08rem; line-height: 1.32; margin: 0 0 .5rem; font-weight: 650; }
p  { margin: 0; }

.btn {
  display: inline-block;
  font-size: .87rem; font-weight: 650; letter-spacing: .01em;
  padding: .85rem 1.7rem; text-decoration: none;
  background: var(--navy); color: var(--creme); border: 1px solid var(--navy);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--azul); border-color: var(--azul); }
.btn--creme { background: var(--creme); border-color: var(--creme); color: var(--navy); }
.btn--creme:hover { background: transparent; color: var(--creme); }
.btn--vazio { background: transparent; color: var(--navy); }
.btn--vazio:hover { background: var(--navy); color: var(--creme); }

/* ── nav ───────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linha);
}
.nav__in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 4.6rem; }
.nav__links { display: flex; align-items: center; gap: 1.75rem; }
.nav__links a { color: var(--tinta-2); text-decoration: none; font-size: .85rem; font-weight: 550; }
.nav__links a:hover { color: var(--azul); }
.nav__links .nav__cta { border: 1px solid var(--linha-2); padding: .48rem 1.05rem; color: var(--navy); font-weight: 650; }
.nav__links .nav__cta:hover { border-color: var(--navy); background: var(--navy); color: var(--creme); }

.nav__burger { display: none; background: none; border: 0; color: var(--tinta); font-size: 1.35rem; cursor: pointer; padding: .3rem .5rem; }
.nav__mob { display: none; flex-direction: column; border-top: 1px solid var(--linha); background: var(--papel); }
.nav__mob a { padding: .95rem var(--pad); color: var(--tinta-2); text-decoration: none; border-bottom: 1px solid var(--linha); font-size: .95rem; }

/* ── hero ──────────────────────────────────────── */
.hero {
  position: relative; background: var(--navy); color: var(--creme);
  overflow: hidden; isolation: isolate;
  padding: clamp(3.6rem, 9vw, 7rem) 0 clamp(1.5rem, 3vw, 2.2rem);
}
.hero__malha {                       /* malha estrutural em CSS — funciona sem foto */
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(to right, rgba(243,238,228,.075) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(243,238,228,.075) 1px, transparent 1px);
  background-size: 5.5rem 5.5rem;
  mask-image: linear-gradient(to bottom right, #000 5%, transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom right, #000 5%, transparent 78%);
}
.hero__img { position: absolute; inset: 0; z-index: -3; width: 100%; height: 100%; object-fit: cover; }
.hero__veu { position: absolute; inset: 0; z-index: -2; background: linear-gradient(to top, rgba(31,56,100,.97) 12%, rgba(31,56,100,.8) 60%, rgba(31,56,100,.62) 100%); }

.hero h1 { color: var(--creme); max-width: 20ch; }
.hero__lead { color: var(--slate-2); font-size: 1.06rem; line-height: 1.6; max-width: 49ch; margin-top: 1.5rem; }
.hero__foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.2rem 1.6rem; flex-wrap: wrap;
  padding-top: 1.9rem; margin-top: clamp(2.6rem, 6vw, 4rem);
  border-top: 1px solid rgba(243,238,228,.22);
}
.hero__foot p { font-family: var(--mono); font-size: .71rem; letter-spacing: .15em; text-transform: uppercase; color: var(--slate-2); }
.hero__ctas { display: flex; gap: .7rem; flex-wrap: wrap; }
.hero__ctas .btn--vazio { color: var(--creme); border-color: rgba(243,238,228,.45); }
.hero__ctas .btn--vazio:hover { background: var(--creme); color: var(--navy); border-color: var(--creme); }

/* ── seções ────────────────────────────────────── */
.sec { padding: clamp(3.6rem, 8vw, 6.2rem) 0; border-bottom: 1px solid var(--linha); }
.sec--cinza { background: var(--papel-2); }
.sec--navy { background: var(--navy); color: var(--slate-2); border-bottom-color: var(--navy); }
.sec--navy h2, .sec--navy h3 { color: var(--creme); }

.fz { display: grid; grid-template-columns: 1.05fr 1fr; gap: 1.6rem 3.5rem; align-items: end; margin-bottom: clamp(2.4rem, 5vw, 3.6rem); }
.fz__lead { color: var(--dim); font-size: 1.04rem; line-height: 1.62; max-width: 46ch; }
.sec--navy .fz__lead { color: var(--slate-2); }
.sec__h2 { margin-bottom: .8rem; }

/* ── cards numerados ───────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr)); gap: 2.4rem; }
.card { border-top: 2px solid var(--navy); padding-top: 1.3rem; }
.card__n { font-family: var(--mono); font-size: .68rem; letter-spacing: .18em; color: var(--azul); display: block; margin-bottom: .85rem; }
.card p { color: var(--dim); font-size: .93rem; line-height: 1.58; }
.card p + p { margin-top: .7rem; }

/* ── os quatro pilares ─────────────────────────── */
.modelo { border-top: 1px solid var(--linha-2); }
.modelo__i {
  display: grid; grid-template-columns: 3.2rem 15rem 1fr;
  gap: .4rem 2rem; align-items: baseline;
  padding: 1.5rem 0; border-bottom: 1px solid var(--linha);
}
.modelo__n { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; color: var(--azul); }
.modelo__t { font-size: 1.04rem; font-weight: 650; color: var(--tinta); letter-spacing: -.012em; }
.modelo__d { color: var(--dim); font-size: .94rem; line-height: 1.58; }
.modelo__d strong { color: var(--tinta); font-weight: 620; }

/* ── blocos de consequência ────────────────────── */
.conseq { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1px; background: var(--linha); border: 1px solid var(--linha); }
.conseq__i { background: var(--papel); padding: 1.8rem 1.65rem; }
.conseq__i p { color: var(--dim); font-size: .93rem; line-height: 1.57; }
.sec--cinza .conseq { background: var(--linha-2); border-color: var(--linha-2); }

/* ── obras ─────────────────────────────────────── */
.obras__lead { color: var(--dim); font-size: .94rem; margin-bottom: clamp(2rem, 4vw, 2.8rem); }
.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr)); gap: 1.6rem; }

.cardobra {
  appearance: none; border: 0; padding: 0; margin: 0;
  background: transparent; color: inherit; font: inherit;
  text-align: left; cursor: pointer;
  display: flex; flex-direction: column; position: relative;
}
.cardobra__img { display: block; overflow: hidden; background: var(--papel-3); }
.cardobra__img img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  transition: transform .5s cubic-bezier(.2,.7,.3,1), filter .35s ease;
  filter: brightness(.96);
}
.cardobra:hover .cardobra__img img,
.cardobra:focus-visible .cardobra__img img { transform: scale(1.035); filter: brightness(1); }
.cardobra__txt { display: flex; flex-direction: column; gap: .25rem; padding: 1rem .1rem 0; }
.cardobra__nome { font-size: 1.16rem; font-weight: 650; color: var(--tinta); letter-spacing: -.015em; }
.cardobra__meta { font-family: var(--mono); font-size: .67rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
/* grade de execução: mais itens por linha, legenda curta de etapa */
.grade--exec { grid-template-columns: repeat(auto-fill, minmax(14.5rem, 1fr)); gap: 1.1rem; }
.cardobra--exec .cardobra__img img { aspect-ratio: 3 / 4; }
.cardobra--exec .cardobra__txt { padding: .75rem .1rem 0; }
.cardobra__etapa {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--tinta-2);
}
.cardobra--exec:hover .cardobra__etapa { color: var(--azul); }

.cardobra__n {
  position: absolute; top: .8rem; right: .8rem;
  font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--creme); background: rgba(31,56,100,.82);
  padding: .3rem .55rem; backdrop-filter: blur(4px);
}

/* ── lightbox ──────────────────────────────────── */
.lb {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(12,18,32,.985); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(2.6rem, 6vw, 4rem) clamp(1rem, 7vw, 5rem);
}
.lb[hidden] { display: none; }
.lb__fig { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; gap: 1rem; }
.lb__fig img { max-width: 100%; max-height: calc(100vh - 11rem); object-fit: contain; margin: 0 auto; }
.lb__cap { display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem; }
.lb__cap span:first-child { font-size: 1.05rem; font-weight: 650; color: var(--creme); }
.lb__cont { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; color: var(--slate-2); font-variant-numeric: tabular-nums; }
.lb__x, .lb__nav {
  position: absolute; z-index: 2; appearance: none; background: none; border: 0; cursor: pointer;
  color: var(--slate-2); line-height: 1; transition: color .18s ease;
}
.lb__x:hover, .lb__nav:hover { color: var(--creme); }
.lb__x { top: 1.4rem; right: 1.6rem; font-size: 1.4rem; padding: .5rem; }
.lb__nav { top: 50%; transform: translateY(-50%); font-size: clamp(2.4rem, 6vw, 3.4rem); padding: .4rem 1rem; }
.lb__nav--prev { left: 0; }
.lb__nav--next { right: 0; }
.lb__nav[hidden] { display: none; }

/* ── números ───────────────────────────────────── */
.num { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1px; background: rgba(243,238,228,.18); border: 1px solid rgba(243,238,228,.18); }
.num__i { background: var(--navy); padding: 1.9rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; }
.num__i strong { font-size: clamp(2.2rem, 5vw, 3rem); line-height: 1; color: var(--creme); font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.num__i span { font-size: .84rem; color: var(--slate-2); line-height: 1.45; }
.num__nota { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; color: var(--slate); margin-top: 1.4rem; }

/* ── praças ────────────────────────────────────── */
.pracas { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1px; background: var(--linha); border: 1px solid var(--linha); }
.praca { background: var(--papel); padding: 1.9rem 1.7rem; }
.praca__tag { font-family: var(--mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--azul); display: block; margin-bottom: .7rem; }
.praca p { color: var(--dim); font-size: .93rem; line-height: 1.57; }
.praca p + p { margin-top: .65rem; }

/* ── trabalhe conosco ──────────────────────────── */
.vagas { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.pacote { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--linha-2); }
.pacote li {
  display: grid; grid-template-columns: 1.1rem 1fr; gap: .9rem; align-items: baseline;
  padding: .85rem 0; border-bottom: 1px solid var(--linha);
  font-size: .95rem; color: var(--tinta-2);
}
.pacote li::before { content: "—"; color: var(--azul); font-family: var(--mono); font-size: .8rem; }
.pacote strong { font-weight: 650; color: var(--tinta); }

.funcoes { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.3rem 0 0; }
.funcoes span {
  font-family: var(--mono); font-size: .69rem; letter-spacing: .09em; text-transform: uppercase;
  border: 1px solid var(--linha-2); color: var(--tinta-2); padding: .42rem .75rem; background: var(--papel);
}

.vagas__cx { background: var(--papel); border: 1px solid var(--linha); padding: clamp(1.6rem, 3vw, 2.1rem); }
.vagas__cx p { color: var(--dim); font-size: .94rem; line-height: 1.58; }
.vagas__cx p + p { margin-top: .8rem; }
.vagas__cx .btn { margin-top: 1.4rem; }

/* ── contato: dois caminhos ────────────────────── */
.portas { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: 1px; background: var(--linha); border: 1px solid var(--linha); margin-top: clamp(2rem, 4vw, 2.8rem); }
.porta { background: var(--papel); padding: clamp(1.7rem, 3.5vw, 2.4rem); display: flex; flex-direction: column; }
.porta__tag { font-family: var(--mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--azul); display: block; margin-bottom: .8rem; }
.porta h3 { font-size: 1.22rem; margin-bottom: .6rem; }
.porta > p { color: var(--dim); font-size: .94rem; line-height: 1.57; }
.porta__vias { display: flex; flex-direction: column; gap: .6rem; margin-top: 1.5rem; }
.porta__vias a { color: var(--tinta); text-decoration: none; font-size: .99rem; font-weight: 550; border-bottom: 1px solid var(--linha-2); padding-bottom: .35rem; }
.porta__vias a:hover { color: var(--azul); border-color: var(--azul); }

/* ── rodapé ────────────────────────────────────── */
.rodape { padding: 2.8rem 0; background: var(--navy-2); }
.rodape__in { display: flex; justify-content: space-between; align-items: center; gap: 1.4rem 2rem; flex-wrap: wrap; }
.rodape p { font-size: .78rem; color: var(--slate-2); line-height: 1.65; max-width: 52ch; }
.rodape a { color: var(--slate-2); }
.rodape a:hover { color: var(--creme); }

/* ── responsivo ────────────────────────────────── */
@media (max-width: 940px) {
  .vagas { grid-template-columns: 1fr; }
  .modelo__i { grid-template-columns: 2.6rem 1fr; }
  .modelo__d { grid-column: 2; }
}
@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .nav__mob:not([hidden]) { display: flex; }
  .fz { grid-template-columns: 1fr; align-items: start; }
  .hero__foot { flex-direction: column; align-items: flex-start; }
  .lb { padding: 3.4rem .6rem; }
  .lb__nav { font-size: 2.2rem; padding: .4rem .5rem; }
  .lb__fig img { max-height: calc(100vh - 12rem); }
}