/* ============================================================
   SOMBRA ESTÉTICA AUTOMOTIVA
   Paleta extraída da marca: preto quente + laranja-ember + ouro.
   Tema único e escuro por escolha de marca (Sombra = trabalho
   silencioso, o resultado é o que aparece).
   ============================================================ */

:root {
  --bg: #0a0908;
  --bg-panel: #141009;
  --bg-panel-2: #1c160e;
  --ink: #f3ede1;
  --ink-dim: #cfc3ad;
  --ink-muted: #93866f;
  --ember: #ef5f0e;
  --ember-deep: #b8420a;
  --ember-soft: rgba(239, 95, 14, 0.14);
  --gold: #eba63c;
  --line: rgba(243, 237, 225, 0.1);
  --line-strong: rgba(243, 237, 225, 0.22);

  --font-display: "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --wrap: 1180px;
  --cut: 14px; /* corner-clip size used on cards & buttons */
}

/* -------------------- reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* filmic grain — ties the whole page together, kept faint */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 300;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  text-wrap: balance;
  margin: 0;
}

p { margin: 0; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ember);
  color: #100b06;
  padding: 12px 18px;
  z-index: 999;
  font-family: var(--font-mono);
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

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

/* -------------------- shared bits -------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--ember);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  margin-bottom: 16px;
}
.section-lede {
  color: var(--ink-dim);
  font-size: 1.02rem;
  max-width: 56ch;
}

.section { padding: 96px 0; }
.section--alt { background: var(--bg-panel); }

.blade-divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--line-strong) 15%,
    var(--gold) 50%,
    var(--line-strong) 85%,
    transparent 100%);
  opacity: 0.55;
}

/* clipped-corner shape used across buttons / cards for an
   industrial "stamped metal" edge instead of rounded corners */
.clip-corner {
  clip-path: polygon(
    var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)
  );
}

/* -------------------- buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 12px 22px;
  white-space: nowrap;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }

.btn-cta {
  background: var(--ember);
  color: #140d06;
}
.btn-cta:hover { background: var(--gold); }

.btn-line {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-line:hover { border-color: var(--ember); color: var(--ember); }

.btn-lg { padding: 15px 28px; font-size: 0.88rem; }

/* -------------------- header -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 9, 8, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 30px -20px rgba(0, 0, 0, 0);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled {
  border-color: var(--line-strong);
  box-shadow: 0 16px 32px -18px rgba(0, 0, 0, 0.65);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.brand-mark {
  border-radius: 50%;
  object-fit: cover;
  background: #000;
  border: 1px solid var(--line-strong);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.brand:hover .brand-mark {
  border-color: var(--ember);
  box-shadow: 0 0 0 3px rgba(239, 95, 14, 0.14);
}
.brand-word { display: flex; flex-direction: column; line-height: 1.15; gap: 2px; }
.brand-word strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.brand-word em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  gap: 36px;
  font-size: 0.92rem;
  color: var(--ink-dim);
}
.main-nav a { position: relative; padding: 4px 0; transition: color 0.2s ease; }
.main-nav a:hover { color: var(--ink); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.is-active { color: var(--ember); }
.main-nav a.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 14px; }

.header-actions .btn-cta {
  box-shadow: 0 0 0 rgba(239, 95, 14, 0);
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.25s ease;
}
.header-actions .btn-cta:hover {
  box-shadow: 0 6px 24px -6px rgba(239, 95, 14, 0.55);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1px;
  margin: 0 8px;
  background: var(--ink);
}

/* -------------------- hero -------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 96px;
  isolation: isolate;
}

.hero-shadows {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}
.hero-shadows span {
  position: absolute;
  bottom: -35%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.28) 45%, transparent 72%);
  filter: blur(20px);
  animation: rise-shadow linear infinite;
  will-change: transform;
}
.hero-shadows span:nth-child(1) { left: 4%;  width: 220px; height: 220px; animation-duration: 26s; animation-delay: -2s; }
.hero-shadows span:nth-child(2) { left: 24%; width: 340px; height: 340px; animation-duration: 34s; animation-delay: -18s; }
.hero-shadows span:nth-child(3) { left: 48%; width: 200px; height: 200px; animation-duration: 22s; animation-delay: -9s; }
.hero-shadows span:nth-child(4) { left: 68%; width: 300px; height: 300px; animation-duration: 30s; animation-delay: -24s; }
.hero-shadows span:nth-child(5) { left: 87%; width: 240px; height: 240px; animation-duration: 27s; animation-delay: -13s; }

@keyframes rise-shadow {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  12%  { opacity: 0.75; }
  88%  { opacity: 0.45; }
  100% { transform: translateY(-135vh) translateX(24px); opacity: 0; }
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 78% 28%, var(--ember-soft), transparent 60%),
              linear-gradient(180deg, transparent 0%, var(--bg) 96%);
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 3.9rem);
  margin-bottom: 26px;
}
.accent-word, .accent-dot { color: var(--ember); }

.hero-sub {
  color: var(--ink-dim);
  font-size: 1.1rem;
  max-width: 52ch;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-promises {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.hero-promises li { position: relative; padding-left: 16px; }
.hero-promises li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.45em;
  width: 7px; height: 7px;
  background: var(--ember);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ---- hero visual: drag-to-compare panel ---- */
.hero-visual { position: relative; }

.reveal-panel {
  position: relative;
  height: clamp(360px, 38vw, 480px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #030201;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}
.reveal-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 60px 8px rgba(0, 0, 0, 0.55);
  pointer-events: none;
  z-index: 2;
}

.reveal-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.reveal-after {
  background: linear-gradient(150deg, #050403 0%, #1c1006 42%, #3d2004 62%, #070502 100%);
}
.reveal-after::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(243, 237, 225, 0.5) 48%, rgba(235, 166, 60, 0.65) 53%, transparent 70%);
  mix-blend-mode: screen;
}
.reveal-after .reveal-tag { color: rgba(243, 237, 225, 0.75); }

.reveal-before {
  background:
    repeating-linear-gradient(112deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 6px),
    repeating-linear-gradient(64deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 8px),
    radial-gradient(ellipse 70% 55% at 50% 38%, rgba(255, 255, 255, 0.07), transparent 72%),
    #171009;
  filter: saturate(0.5) brightness(0.78);
  clip-path: inset(0 calc(100% - var(--split) * 1%) 0 0);
}

.reveal-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--ink-muted);
  position: relative;
  z-index: 1;
}

.reveal-seal {
  position: absolute;
  top: 16px; right: 16px;
  width: 44px; height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  z-index: 2;
}
.reveal-seal img { width: 100%; height: 100%; object-fit: cover; }

.reveal-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: calc(var(--split) * 1%);
  z-index: 2;
}
.reveal-handle::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: -1px;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
}
.reveal-handle span {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 32px; height: 32px;
  background: var(--ember);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  box-shadow: 0 0 0 4px var(--bg), 0 0 18px rgba(239, 95, 14, 0.55);
}

.reveal-range {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  appearance: none;
  z-index: 3;
}

.reveal-caption {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.seal--ghost { background: transparent; border: 1px solid var(--ember); color: var(--ember); }

/* -------------------- dossier grid (serviços) -------------------- */
.dossier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.dossier-card {
  position: relative;
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background-color 0.2s ease;
  overflow: hidden;
}
.dossier-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ember), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.dossier-card:hover { background: var(--bg-panel); }
.dossier-card:hover::after { transform: scaleX(1); }
.dossier-card--wide { grid-column: span 3; }

.dossier-icon {
  width: 38px; height: 38px;
  color: var(--ember);
}
.dossier-icon svg { width: 100%; height: 100%; }

.dossier-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.dossier-head h3 {
  font-size: 1.12rem;
}

.seal {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--bg);
  background: var(--ember);
  padding: 3px 8px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.dossier-card p { color: var(--ink-dim); font-size: 0.95rem; }
.dossier-tag {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.86rem !important;
  color: var(--ink-muted) !important;
}
.dossier-tag strong { color: var(--ink-dim); font-weight: 600; }

/* -------------------- método -------------------- */
.method-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.method-list::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--line-strong);
}
.method-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.method-index {
  position: absolute;
  top: -22px;
  left: 0;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--ember);
  color: var(--ember);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}
.method-step > div { padding-top: 24px; }
.method-step h3 { font-size: 1.15rem; margin-bottom: 10px; }
.method-step p { color: var(--ink-dim); font-size: 0.94rem; }

/* -------------------- a sombra -------------------- */
.sombra-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.sombra-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  overflow: hidden;
}
.sombra-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.sombra-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 80px 10px rgba(0,0,0,0.6);
  border: 1px solid var(--ember);
  opacity: 0.35;
}

.sombra-copy h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 20px; }
.sombra-copy p { color: var(--ink-dim); max-width: 62ch; margin-bottom: 16px; }

.promise-grid {
  list-style: none;
  margin: 32px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.promise-grid h3 { font-size: 0.98rem; margin-bottom: 8px; color: var(--ink); }
.promise-grid p { font-size: 0.88rem; color: var(--ink-muted); margin: 0; }

/* -------------------- contato -------------------- */
.contato-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
}
.contato-copy h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 16px; }
.contato-copy .section-lede { margin-bottom: 32px; }

.contato-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 40px;
}
.contato-list { margin: 0; display: flex; flex-direction: column; gap: 28px; }
.contato-list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 8px;
}
.contato-list dd { margin: 0; color: var(--ink-dim); }
.muted-note { color: var(--ink-muted); font-size: 0.8rem; }

/* -------------------- footer -------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 32px;
  background: var(--bg-panel);
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}
.brand--footer .brand-word strong { font-size: 0.95rem; }
.footer-nav { display: flex; gap: 24px; font-size: 0.88rem; color: var(--ink-dim); }
.footer-nav a:hover { color: var(--ember); }
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

/* -------------------- reveal on scroll -------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* -------------------- responsive -------------------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; }
  .dossier-grid { grid-template-columns: repeat(2, 1fr); }
  .dossier-card--wide { grid-column: span 2; }
  .method-list { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .sombra-grid { grid-template-columns: 1fr; }
  .sombra-visual { max-width: 420px; }
  .contato-grid { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-cta span { display: none; }
  .header-actions .btn-cta::after { content: "WhatsApp"; }

  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 80px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .site-header.nav-open .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }

  .dossier-grid { grid-template-columns: 1fr; }
  .dossier-card--wide { grid-column: span 1; }
  .method-list { grid-template-columns: 1fr; gap: 40px; }
  .promise-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .contato-card { padding: 28px; }
}