/* ============================================================
   NVS Comex — Design System
   Paleta: preto tinta / grafite / bronze-cobre / osso / fumaça
   Tipografia: Archivo (variável, wdth+wght) + IBM Plex Mono
   ============================================================ */

@font-face {
  font-family: 'Archivo';
  src: url('../fonts/Archivo-normal-100-900.woff2') format('woff2');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-normal-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-normal-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #0A0908;
  --graphite: #16130F;
  --graphite-2: #1E1A15;
  --hairline: #2C261F;
  --bronze: #C08552;
  --bronze-bright: #D9A778;
  --bronze-deep: #9C6B45;
  --bone: #EDEAE6;
  --smoke: #98908A;
  --smoke-dim: #6E6660;

  --grad-copper: linear-gradient(135deg, #D9A778 0%, #C08552 45%, #8C5A3C 100%);

  --font-sans: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;

  --w-max: 1200px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
  --sec-y: clamp(4.5rem, 10vw, 8.5rem);

  --ease-out: cubic-bezier(.22, .8, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 380;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

::selection { background: rgba(192, 133, 82, .35); }

/* ---------- utilitários ---------- */

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--bronze);
  color: var(--ink);
  padding: .75rem 1.25rem;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bronze);
  display: flex;
  align-items: center;
  gap: .75rem;
}
.eyebrow::before {
  content: '';
  width: 2rem;
  height: 1px;
  background: var(--bronze);
  flex: none;
}

/* ---------- tipografia ---------- */

h1, h2, h3 {
  font-family: var(--font-sans);
  font-stretch: 112%;
  font-weight: 640;
  line-height: 1.08;
  letter-spacing: -.015em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.25rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); font-stretch: 106%; }

.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  line-height: 1.6;
  color: var(--smoke);
  max-width: 38em;
}

p { color: var(--smoke); max-width: 62ch; }
p strong { color: var(--bone); font-weight: 560; }

.text-copper {
  background: var(--grad-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 9, 8, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4.5rem;
}

.brand { display: flex; align-items: center; gap: .7rem; flex: none; }
.brand-mark { width: 2.15rem; height: 2.15rem; }
.brand-text { line-height: 1.1; }
.brand-name {
  font-size: 1.18rem;
  font-weight: 700;
  font-stretch: 108%;
  letter-spacing: .01em;
  color: var(--bronze);
}
.brand-name span { font-weight: 340; color: var(--bronze-bright); }
.brand-tag {
  font-size: .5rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--smoke);
  font-weight: 450;
}

.main-nav { display: flex; align-items: center; gap: 1.9rem; }
.main-nav a {
  font-size: .92rem;
  font-weight: 470;
  color: var(--smoke);
  transition: color .2s;
  padding: .35rem 0;
}
.main-nav a:hover { color: var(--bone); }
.main-nav a[aria-current="page"] {
  color: var(--bronze-bright);
  box-shadow: 0 1px 0 0 var(--bronze);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  overflow: hidden;
  flex: none;
}
.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--smoke);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .08em;
  padding: .42rem .68rem;
  cursor: pointer;
  transition: color .2s, background .2s;
}
.lang-switch button:hover { color: var(--bone); }
.lang-switch button[aria-pressed="true"] {
  background: var(--bronze);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  appearance: none;
  background: none;
  border: 1px solid var(--hairline);
  border-radius: .5rem;
  color: var(--bone);
  width: 2.6rem;
  height: 2.6rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 1000px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    inset: 4.5rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--graphite);
    border-bottom: 1px solid var(--hairline);
    padding: .5rem 0 1rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all .25s var(--ease-out);
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav a { padding: .85rem var(--pad-x); font-size: 1.05rem; }
  .main-nav a[aria-current="page"] { box-shadow: inset 3px 0 0 0 var(--bronze); }
  .brand-tag { display: none; }
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(5rem, 12vw, 9.5rem) clamp(5rem, 11vw, 8.5rem);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.hero-conduits {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(58vw, 760px);
  height: auto;
  pointer-events: none;
  opacity: .9;
}

.hero-content { position: relative; max-width: 44rem; }
.hero-content h1 { margin: 1.4rem 0 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.4rem; }

/* linhas de conduíte animadas */
.conduit-line {
  fill: none;
  stroke: var(--bronze);
  stroke-width: 2;
}
@media (prefers-reduced-motion: no-preference) {
  .conduit-line {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    animation: conduit-draw 2.4s var(--ease-out) forwards;
  }
  .conduit-line:nth-child(2) { animation-delay: .25s; }
  .conduit-line:nth-child(3) { animation-delay: .5s; }
  .conduit-line:nth-child(4) { animation-delay: .75s; }
}
@keyframes conduit-draw { to { stroke-dashoffset: 0; } }

/* ---------- botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 560;
  font-size: .98rem;
  padding: .85rem 1.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s var(--ease-out), box-shadow .18s, background .2s, color .2s, border-color .2s;
  min-height: 44px;
}
.btn:active { transform: scale(.97); }

.btn-copper {
  background: var(--grad-copper);
  color: #241206;
}
.btn-copper:hover { box-shadow: 0 6px 28px rgba(192, 133, 82, .35); }

.btn-ghost {
  border-color: var(--hairline);
  color: var(--bone);
}
.btn-ghost:hover { border-color: var(--bronze); color: var(--bronze-bright); }

/* ---------- seções ---------- */

.section { padding-block: var(--sec-y); }
.section + .section { border-top: 1px solid var(--hairline); }
.section-head { margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head h2 { margin-top: 1.3rem; }
.section-head .lead { margin-top: 1.1rem; }

/* chapa corrugada de contêiner, bem sutil */
.section-alt {
  background:
    repeating-linear-gradient(90deg,
      rgba(255, 255, 255, .014) 0 2px,
      transparent 2px 30px,
      rgba(0, 0, 0, .3) 30px 32px,
      transparent 32px 60px),
    var(--graphite);
}

/* placas estilo marcação de contêiner */
.plate-row {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 2.6rem;
}
.plate {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--smoke);
  border: 1px solid var(--hairline);
  padding: .48rem .85rem;
  white-space: nowrap;
}
.plate b { color: var(--bronze-bright); font-weight: 500; }

/* marcas de canto (estêncil de volume/caixa) */
.crate { position: relative; }
.crate::before,
.crate::after {
  content: '';
  position: absolute;
  width: 1.15rem;
  height: 1.15rem;
  pointer-events: none;
}
.crate::before {
  top: .85rem;
  left: .85rem;
  border-top: 1.5px solid var(--bronze-deep);
  border-left: 1.5px solid var(--bronze-deep);
}
.crate::after {
  bottom: .85rem;
  right: .85rem;
  border-bottom: 1.5px solid var(--bronze-deep);
  border-right: 1.5px solid var(--bronze-deep);
}

/* metadado técnico de etapa / cartão */
.step-meta, .card-code {
  font-family: var(--font-mono);
  font-size: .67rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--smoke-dim);
}
.step-meta { margin-top: 1rem; }
.card-code { margin-top: .4rem; color: var(--bronze-deep); }

/* ---------- divisões (home) ---------- */

.division-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 1.5rem;
}

.division-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  background: var(--graphite);
  border: 1px solid var(--hairline);
  border-radius: 1.25rem;
  padding: clamp(1.8rem, 4vw, 2.8rem);
  overflow: hidden;
  transition: border-color .25s, transform .25s var(--ease-out);
}
.division-card:hover {
  border-color: var(--bronze-deep);
  transform: translateY(-4px);
}
.division-card .division-art {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .5rem;
}
.division-card h3 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); }
.division-card p { font-size: .99rem; }
.division-link {
  margin-top: auto;
  padding-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--bronze-bright);
  font-weight: 540;
  font-size: .96rem;
}
.division-link svg { transition: transform .2s var(--ease-out); }
.division-card:hover .division-link svg { transform: translateX(4px); }

.division-num {
  position: absolute;
  top: 1.4rem;
  right: 1.6rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--smoke-dim);
}

/* ---------- processo em degraus ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 0;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 1.8rem 1.6rem 0 0;
  border-top: 2px solid var(--hairline);
}
.step::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 3.2rem;
  height: 2px;
  background: var(--grad-copper);
}
.step-k {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--bronze);
  display: block;
  margin-bottom: .9rem;
}
.step h3 { margin-bottom: .55rem; }
.step p { font-size: .95rem; }

/* degraus sobem: cada passo desce um pouco menos */
@media (min-width: 980px) {
  .steps { align-items: start; }
  .step:nth-child(1) { margin-top: 7.5rem; }
  .step:nth-child(2) { margin-top: 5rem; }
  .step:nth-child(3) { margin-top: 2.5rem; }
  .step:nth-child(4) { margin-top: 0; }
}

/* ---------- listas de destaque ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.5rem;
}
.feature {
  border: 1px solid var(--hairline);
  border-radius: 1rem;
  padding: 1.7rem 1.6rem;
  background: rgba(255, 255, 255, .015);
}
.feature .f-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: .7rem;
  background: rgba(192, 133, 82, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  color: var(--bronze-bright);
}
.feature h3 { font-size: 1.08rem; margin-bottom: .45rem; }
.feature p { font-size: .93rem; }

/* ---------- página de divisão ---------- */

.page-hero {
  position: relative;
  padding-block: clamp(4rem, 9vw, 7rem);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}
.page-hero .hero-conduits { width: min(46vw, 560px); opacity: .55; }
.page-hero h1 { margin: 1.3rem 0 1.2rem; font-size: clamp(2.1rem, 4.8vw, 3.4rem); }

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1.1fr .9fr; }
}
.split-art {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--graphite);
  border: 1px solid var(--hairline);
  border-radius: 1.25rem;
  min-height: 320px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}
.spec-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--bronze);
  padding-bottom: 1rem;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--hairline);
}
.spec-table th {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--smoke);
}
.spec-table td { color: var(--bone); font-weight: 420; }
.spec-table td.dim { color: var(--smoke); }
.table-scroll { overflow-x: auto; }

.tag-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.tag {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--bronze-bright);
  border: 1px solid var(--bronze-deep);
  border-radius: 999px;
  padding: .38rem .85rem;
  background: rgba(192, 133, 82, .07);
}

/* estado vazio do portfólio */
.portfolio-soon {
  border: 1px dashed var(--hairline);
  border-radius: 1.25rem;
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.portfolio-soon svg { color: var(--bronze-deep); }
.portfolio-soon p { max-width: 34em; font-size: .97rem; }

/* ---------- faixa CTA ---------- */

.cta-band {
  position: relative;
  background: var(--graphite);
  border-top: 1px solid var(--hairline);
  overflow: hidden;
}
.cta-band .wrap {
  padding-block: clamp(4rem, 9vw, 6.5rem);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.6rem;
}
.cta-band h2 { max-width: 20em; }
.cta-band .hero-conduits { opacity: .4; }

/* cartão de responsável comercial nas páginas de divisão */
.division-contact {
  margin-top: 1rem;
  max-width: 26rem;
  background: rgba(255, 255, 255, .02);
}
.division-contact a { display: block; }
.division-contact a:hover { color: var(--bronze-bright); }

/* ---------- contato ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.5rem;
}
.contact-card {
  border: 1px solid var(--hairline);
  border-radius: 1rem;
  padding: 1.8rem 1.6rem;
  background: var(--graphite);
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.contact-card .c-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: .6rem;
}
.contact-card a.c-value:hover { color: var(--bronze-bright); }
.contact-card .c-value { font-size: 1.05rem; font-weight: 500; color: var(--bone); word-break: break-word; }
.contact-card .c-sub { font-size: .9rem; color: var(--smoke); }

.map-frame {
  margin-top: 2.5rem;
  border: 1px solid var(--hairline);
  border-radius: 1.25rem;
  overflow: hidden;
  aspect-ratio: 16 / 7;
  min-height: 320px;
}
.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: grayscale(1) invert(.92) contrast(.9) sepia(.18);
}

.map-fallback {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.1rem;
  color: var(--bronze-bright);
  font-size: .92rem;
  font-weight: 520;
}
.map-fallback:hover { color: var(--bone); }

@media (max-width: 700px) {
  .hero-conduits { opacity: .35; width: 78vw; }
  .page-hero .hero-conduits { opacity: .25; }
}

/* ---------- rodapé ---------- */

.site-footer {
  border-top: 1px solid var(--hairline);
  background: #070605;
  padding-block: 3.5rem 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-col .f-title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--smoke-dim);
  margin-bottom: 1rem;
}
.footer-col a, .footer-col address {
  display: block;
  font-style: normal;
  color: var(--smoke);
  font-size: .93rem;
  line-height: 1.9;
  transition: color .2s;
}
.footer-col a:hover { color: var(--bronze-bright); }
.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: .8rem;
  color: var(--smoke-dim);
}

/* ---------- WhatsApp flutuante ---------- */

.wa-float {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 90;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--grad-copper);
  color: #241206;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .5), 0 2px 10px rgba(192, 133, 82, .3);
  transition: transform .2s var(--ease-out);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float:active { transform: scale(.96); }

/* ---------- reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(22px); }
.reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}