/* =========================================================
   Berton Contabilidade — sistema visual "cinemático"
   Fundo escuro, luz quente pontual, tipografia de alto
   contraste e grão sutil — números com apresentação de
   produção, não planilha.
   ========================================================= */
:root {
  --bg: #0c0b0a;
  --bg-elevated: #18150f;
  --bg-card: #1c1812;
  --paper: #f5f0e6;
  --ink: #f5f0e6;
  --ink-70: rgba(245, 240, 230, 0.72);
  --ink-45: rgba(245, 240, 230, 0.48);
  --line: rgba(245, 240, 230, 0.12);
  --line-strong: rgba(245, 240, 230, 0.24);
  --gold: #d9a441;
  --gold-bright: #f0c274;
  --teal: #3c8f88;
  --teal-bright: #58b3ab;
  --shadow-lift: 0 30px 60px rgba(0, 0, 0, 0.5);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);

  --font-display: "Bodoni Moda", "Didot", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  --container: 1180px;
  --radius: 10px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; margin: 0 0 .5em; color: var(--ink); }
p { margin: 0 0 1em; color: var(--ink-70); }
button { font: inherit; background: none; border: none; color: inherit; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 3px;
}

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link {
  position: absolute; top: -60px; left: 12px; z-index: 3000;
  background: var(--gold); color: #1a1305; padding: 10px 16px; font-weight: 600;
  border-radius: 4px; transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* =========================================================
   Textura de grão de filme — leve, cobre a página inteira
   ========================================================= */
.grain {
  position: fixed; inset: 0; z-index: 2;
  pointer-events: none;
  opacity: .05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   Reveal ao rolar a página
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--reveal-index, 0) * 90ms);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   Tipografia utilitária
   ========================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-bright);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--gold); }
.eyebrow.center { justify-content: center; }
.eyebrow.center::before { display: none; }

.section-title {
  font-size: clamp(1.8rem, 1.3rem + 2vw, 2.75rem);
  letter-spacing: -.01em;
}
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { max-width: 640px; margin-inline: auto; text-align: center; }
.section-head p.lead { margin-top: 16px; }

.lead { font-size: 1.12rem; color: var(--ink-70); }

.text-gold { color: var(--gold-bright); }
.italic { font-style: italic; }

/* =========================================================
   Botões
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600; font-size: .92rem;
  letter-spacing: .01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  white-space: nowrap;
  position: relative;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; transition: transform .3s var(--ease); }
.btn-gold { background: var(--gold); color: #1a1305; }
.btn-gold:hover { background: var(--gold-bright); transform: translateY(-3px); box-shadow: 0 16px 32px rgba(217,164,65,.25); }
.btn-gold:hover svg { transform: translateX(4px); }
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-bright); transform: translateY(-3px); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .55; cursor: progress; }

/* =========================================================
   Cabeçalho
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 22px 0;
  transition: background-color .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(12, 11, 10, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  padding: 14px 0;
  border-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold-bright);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.2rem;
  flex-shrink: 0;
}
.brand-name { font-family: var(--font-display); font-size: 1.25rem; color: var(--ink); }
.brand-name small { display: block; font-family: var(--font-mono); font-size: .6rem; letter-spacing: .16em; color: var(--ink-45); text-transform: uppercase; font-weight: 500; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a:not(.btn) {
  padding: 10px 16px; font-size: .92rem; font-weight: 500;
  color: var(--ink-70); position: relative; transition: color .25s ease;
}
.nav-links a:not(.btn):hover { color: var(--gold-bright); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 5px;
  border-bottom: 1px solid var(--gold);
}
.nav-cta { margin-left: 10px; }

.nav-toggle {
  display: none; width: 44px; height: 44px;
  border: 1px solid var(--line-strong); border-radius: 50%;
  align-items: center; justify-content: center; color: var(--ink);
}
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; inset: 76px 0 0 0;
    background: rgba(12,11,10,.98); backdrop-filter: blur(10px);
    flex-direction: column; align-items: stretch; padding: 8px 24px 32px;
    transform: translateY(-10px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  }
  .nav-links.open { opacity: 1; transform: translateY(0); visibility: visible; pointer-events: auto; }
  .nav-links a:not(.btn) { padding: 18px 4px; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-cta { margin: 18px 4px 0; }
  .nav-cta .btn { width: 100%; justify-content: center; }
}

/* =========================================================
   Hero — spotlight que segue o cursor + revelação de texto
   ========================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -3; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.55) saturate(1.05); }
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(12,11,10,.55) 0%, rgba(12,11,10,.75) 55%, var(--bg) 100%),
    linear-gradient(120deg, rgba(60,143,136,.28), transparent 55%, rgba(217,164,65,.22));
}
.hero-spotlight {
  position: absolute; inset: 0; z-index: -2;
  background: radial-gradient(520px circle at var(--sx, 50%) var(--sy, 30%), rgba(217,164,65,.16), transparent 60%);
  transition: background .1s linear;
}
.hero-content { position: relative; max-width: 760px; }
.hero h1 {
  font-size: clamp(2.6rem, 1.9rem + 3.4vw, 4.6rem);
  letter-spacing: -.01em;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line span {
  display: inline-block;
  transform: translateY(110%);
  animation: lineUp .9s var(--ease) forwards;
}
.hero h1 .line:nth-child(1) span { animation-delay: .15s; }
.hero h1 .line:nth-child(2) span { animation-delay: .3s; }
.hero h1 .line:nth-child(3) span { animation-delay: .45s; }
@keyframes lineUp { to { transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .hero h1 .line span { animation: none; transform: none; }
}

.hero .lead { max-width: 48ch; margin: 26px 0 36px; font-size: 1.18rem; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-since {
  position: absolute; left: 0; bottom: -56px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .08em; color: var(--ink-45);
}
.hero-since .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px var(--gold); }

.scroll-cue {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; color: var(--ink-45);
  text-transform: uppercase;
}
.scroll-cue svg { width: 14px; height: 14px; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* =========================================================
   Faixa de destaque (marquee) — leve, contínua
   ========================================================= */
.marquee {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg-elevated);
  overflow: hidden;
  padding: 18px 0;
}
.marquee-track {
  display: flex; width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-45); white-space: nowrap; position: relative; padding-right: 48px;
}
.marquee span::after { content: "—"; color: var(--gold); position: absolute; right: 0; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* =========================================================
   Seções
   ========================================================= */
.section { padding: 120px 0; position: relative; }
.section.tight { padding: 88px 0; }
.section-elevated { background: var(--bg-elevated); }

.page-header {
  padding: 168px 0 80px;
  text-align: center;
  position: relative;
}
.page-header .eyebrow { justify-content: center; }
.page-header .eyebrow::before { display: none; }
.page-header h1 { font-size: clamp(2.3rem, 1.7rem + 2vw, 3.4rem); max-width: 16ch; margin-inline: auto; }
.page-header p { max-width: 56ch; margin: 0 auto; }

/* Grades */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* Cartões com leve inclinação 3D ao passar o mouse (via JS) */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: border-color .3s ease, box-shadow .3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-soft); }
.card-icon {
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(217,164,65,.1);
  color: var(--gold-bright);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3, .card h4 { font-size: 1.25rem; margin-bottom: 10px; }
.card ul { margin-top: 18px; }
.card ul li {
  padding: 8px 0 8px 20px; position: relative; font-size: .92rem; color: var(--ink-45);
  border-top: 1px solid var(--line);
}
.card ul li:first-child { border-top: none; }
.card ul li::before { content: ""; position: absolute; left: 0; top: 16px; width: 8px; height: 1px; background: var(--gold); }
.card-link {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 20px;
  font-weight: 600; font-size: .9rem; color: var(--gold-bright);
}
.card-link svg { width: 14px; height: 14px; transition: transform .25s var(--ease); }
.card-link:hover svg { transform: translateX(4px); }

/* =========================================================
   Estatísticas — números grandes estilo "resultado de bilheteria"
   ========================================================= */
.stats {
  position: relative; isolation: isolate;
  padding: 100px 0;
}
.stats-bg { position: absolute; inset: 0; z-index: -2; }
.stats-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.3) brightness(.35); }
.stats-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--bg), rgba(12,11,10,.85) 40%, var(--bg)); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: rgba(12,11,10,.55); padding: 40px 24px; text-align: center; }
.stat-number {
  font-family: var(--font-display); font-variant-numeric: tabular-nums;
  font-size: clamp(2.2rem, 1.7rem + 1.8vw, 3.2rem);
  color: var(--gold-bright); margin: 0 0 8px;
}
.stat-label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-45); margin: 0; }
@media (max-width: 760px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

/* =========================================================
   Molduras de imagem — proporção fixa + grade teal/laranja
   ========================================================= */
.frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
}
.frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(60,143,136,.22), transparent 45%, rgba(217,164,65,.16));
  mix-blend-mode: color;
  pointer-events: none;
}
.frame::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(12,11,10,.55), transparent 40%);
  pointer-events: none;
  z-index: 1;
}
.frame.ratio-portrait { aspect-ratio: 4 / 5; }
.frame.ratio-wide { aspect-ratio: 16 / 9; }
.frame-caption {
  position: absolute; left: 18px; bottom: 16px; z-index: 2;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--paper); display: flex; align-items: center; gap: 8px;
}
.frame-caption .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

/* =========================================================
   Sobre / imagem + texto
   ========================================================= */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.split.reverse { grid-template-columns: 1.1fr .9fr; }
.split.reverse .split-media { order: 2; }
@media (max-width: 900px) {
  .split, .split.reverse { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-media { order: 0; }
}

.check-list li { display: flex; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.check-list li:first-child { border-top: none; }
.check-list svg { width: 20px; height: 20px; color: var(--gold-bright); flex-shrink: 0; margin-top: 3px; }
.check-list h4 { margin-bottom: 4px; font-size: 1.02rem; }
.check-list p { margin: 0; font-size: .92rem; }

/* =========================================================
   CTA
   ========================================================= */
.cta {
  position: relative; isolation: isolate;
  text-align: center; padding: 110px 0;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(700px circle at 50% 30%, rgba(217,164,65,.14), transparent 65%), var(--bg-elevated);
}
.cta h2 { font-size: clamp(2rem, 1.6rem + 1.8vw, 3rem); max-width: 18ch; margin-inline: auto; }
.cta p { max-width: 46ch; margin: 18px auto 34px; }

/* =========================================================
   Formulário
   ========================================================= */
.form-field { margin-bottom: 22px; }
.form-field label { display: block; font-size: .84rem; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.form-field .req { color: var(--gold-bright); }
.form-field input, .form-field textarea {
  width: 100%; padding: 14px 16px;
  background: var(--bg-card); border: 1px solid var(--line-strong); border-radius: 8px;
  font: inherit; color: var(--ink);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--ink-45); }
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(217,164,65,.15); outline: none;
}
.form-field input:invalid:not(:placeholder-shown),
.form-field textarea:invalid:not(:placeholder-shown) { border-color: #c05a4f; }
.form-hint { font-size: .78rem; color: var(--ink-45); margin-top: 10px; }
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-top: 18px; padding: 14px 18px; border-radius: 8px; font-size: .9rem; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(60,143,136,.12); color: var(--teal-bright); border: 1px solid rgba(60,143,136,.3); }
.form-status.err { background: rgba(192,90,79,.12); color: #e08a80; border: 1px solid rgba(192,90,79,.35); }

.contact-info-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.info-row { display: flex; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.info-row:first-child { border-top: none; }
.info-row svg { width: 20px; height: 20px; color: var(--gold-bright); flex-shrink: 0; margin-top: 2px; }
.info-row a:hover { color: var(--gold-bright); }

.social-row { display: flex; gap: 12px; margin-top: 24px; }
.social-icon {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--line);
  color: var(--ink-70);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .25s ease, color .25s ease, transform .25s ease, border-color .25s ease;
}
.social-icon svg { width: 17px; height: 17px; }
.social-icon:hover { background: var(--gold); color: #1a1305; border-color: var(--gold); transform: translateY(-4px); }

.map-frame { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: 26px; filter: grayscale(.4) invert(.9) contrast(.9); }
.map-frame iframe { display: block; width: 100%; height: 260px; border: 0; }

/* =========================================================
   Rodapé
   ========================================================= */
.site-footer { background: var(--bg-elevated); border-top: 1px solid var(--line); padding: 80px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 52px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 40px; } }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand span { font-family: var(--font-display); font-size: 1.2rem; color: var(--ink); }
.site-footer h5 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-45); margin-bottom: 20px; font-weight: 600; }
.footer-links li { margin-bottom: 12px; font-size: .95rem; color: var(--ink-70); }
.footer-links a:hover { color: var(--gold-bright); }
.footer-bottom {
  margin-top: 60px; padding-top: 26px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: .78rem; color: var(--ink-45); font-family: var(--font-mono);
}

/* Botão voltar ao topo */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gold); color: #1a1305;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px) scale(.9);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  box-shadow: 0 12px 28px rgba(217,164,65,.3);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.back-to-top svg { width: 18px; height: 18px; }
.back-to-top:hover { transform: translateY(-4px) scale(1.05); }

@media (max-width: 600px) {
  .section { padding: 84px 0; }
  .page-header { padding: 140px 0 60px; }
  .hero { padding: 130px 0 80px; }
  .hero-since { position: static; margin-top: 32px; }
}