/* ═══════════════════════════════════════════
   LN CONTABILIDADE — style.css
════════════════════════════════════════════ */

:root {
  --stone:  #1c1a17;
  --warm:   #2e2b26;
  --bronze: #8a6f4e;
  --gold:   #b8923a;
  --sand:   #f2ede4;
  --parchm: #faf8f4;
  --linen:  #ede8df;
  --muted:  #7a7368;
  --rule:   rgba(28,26,23,0.1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--parchm);
  color: var(--stone);
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300; line-height: 1.1; letter-spacing: -0.01em;
}
h1 { font-size: clamp(3rem, 5.5vw, 5.8rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.9rem); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 200;
  padding: 1.5rem 5vw;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(250,248,244,0.94); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule);
  animation: fadeDown .8s ease both;
}
.logo { display: flex; align-items: center; gap: .9rem; text-decoration: none; color: var(--stone); }
.logo-mark {
  width: 34px; height: 34px; border: 1.5px solid var(--stone);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif; font-size: .95rem; font-weight: 600; letter-spacing: .04em;
  transition: background .3s, color .3s, border-color .3s;
}
.logo:hover .logo-mark { background: var(--stone); color: var(--parchm); }
.logo-text { font-family: 'Cormorant Garamond', serif; font-size: 1rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; line-height: 1.25; transition: color .25s; }
.logo:hover .logo-text { color: var(--bronze); }
.logo-text small { display: block; font-family: 'Jost', sans-serif; font-weight: 300; font-size: .58rem; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--muted);
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  transition: color .25s;
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px;
  background: var(--bronze); transition: width .3s ease;
}
.nav-links a:hover { color: var(--stone); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--stone); text-decoration: none;
  border-bottom: 1px solid var(--stone); padding-bottom: 1px;
  transition: color .25s, border-color .25s, letter-spacing .25s;
}
.nav-cta:hover { color: var(--gold); border-color: var(--gold); letter-spacing: .2em; }

/* ── HERO ── */
#hero {
  min-height: 100vh; padding: 13rem 5vw 7rem;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 6vw; align-items: end;
  position: relative;
}
.hero-grain {
  position: absolute; inset: 0; pointer-events: none; opacity: .025; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 180px;
}
.hero-line-v {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 1px;
  background: linear-gradient(to bottom, transparent 10%, var(--rule) 40%, var(--rule) 65%, transparent 90%);
  pointer-events: none;
}
.hero-left { position: relative; z-index: 1; }
.hero-eyebrow {
  font-family: 'Jost', sans-serif; font-weight: 300;
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--bronze);
  margin-bottom: 2rem;
  animation: fadeUp .9s .1s both;
}
h1 { animation: fadeUp .9s .2s both; }
h1 em { font-style: italic; font-weight: 300; }
.hero-sub {
  margin-top: 2rem; font-size: 1rem; line-height: 1.85; color: var(--muted); max-width: 42ch;
  animation: fadeUp .9s .35s both;
}
.hero-actions {
  margin-top: 3rem; display: flex; align-items: center; gap: 2rem;
  animation: fadeUp .9s .48s both;
}
.btn-solid {
  display: inline-block; padding: .85rem 2.2rem;
  background: var(--stone); color: var(--parchm);
  font-family: 'Jost', sans-serif; font-weight: 400; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none;
  transition: background .25s, letter-spacing .25s, transform .2s;
  position: relative; overflow: hidden;
}
.btn-solid::after {
  content: ''; position: absolute; inset: 0;
  background: var(--bronze); transform: translateX(-101%);
  transition: transform .35s ease;
}
.btn-solid:hover { letter-spacing: .18em; transform: translateY(-1px); }
.btn-solid:hover::after { transform: translateX(0); }
.btn-solid span { position: relative; z-index: 1; }
.btn-text {
  font-family: 'Jost', sans-serif; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  display: flex; align-items: center; gap: .5rem;
  transition: color .25s, gap .3s;
}
.btn-text:hover { color: var(--stone); gap: .9rem; }

.hero-right { position: relative; z-index: 1; animation: fadeUp .9s .3s both; padding-bottom: .5rem; }
.hero-aside-label {
  font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; color: var(--bronze);
  margin-bottom: 1.5rem; padding-bottom: .75rem; border-bottom: 1px solid var(--rule);
}
.pain-list { display: flex; flex-direction: column; gap: 0; }
.pain-item {
  padding: 1.2rem 0; border-bottom: 1px solid var(--rule);
  display: grid; grid-template-columns: 1.2rem 1fr; gap: 1rem; align-items: start;
  transition: background .25s, padding-left .25s;
  border-radius: 2px;
}
.pain-item:last-child { border-bottom: none; }
.pain-item:hover { padding-left: .5rem; }
.pain-num {
  font-family: 'Cormorant Garamond', serif; font-size: .85rem; color: var(--bronze);
  padding-top: .1rem; transition: color .25s;
}
.pain-item:hover .pain-num { color: var(--gold); }
.pain-item p { font-size: .88rem; line-height: 1.65; color: var(--stone); }
.pain-item p span { display: block; font-size: .78rem; color: var(--muted); margin-top: .2rem; }
.hero-cta-aside {
  margin-top: 1.8rem; padding: 1.4rem 1.6rem;
  background: var(--linen); border-left: 2px solid var(--gold);
  transition: border-color .25s, background .25s;
}
.hero-cta-aside:hover { background: var(--sand); border-color: var(--bronze); }
.hero-cta-aside p { font-size: .82rem; line-height: 1.7; color: var(--muted); }
.hero-cta-aside a { color: var(--stone); font-weight: 400; transition: color .2s; }
.hero-cta-aside a:hover { color: var(--bronze); }

/* ── DIVIDER ── */
.section-rule { border: none; border-top: 1px solid var(--rule); margin: 0 5vw; }

/* ── SECTION SHARED ── */
.sec-label {
  font-family: 'Jost', sans-serif; font-size: .68rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--bronze); margin-bottom: 1.2rem;
}

/* ── QUEM ATENDEMOS ── */
#publico { padding: 8rem 5vw; }
.publico-header { display: grid; grid-template-columns: 1fr 1fr; gap: 5vw; align-items: end; margin-bottom: 5rem; }
.publico-header h2 { max-width: 22ch; }
.publico-header p { color: var(--muted); font-size: .95rem; line-height: 1.85; max-width: 38ch; }

.publico-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--rule); }
.publico-card {
  padding: 2.2rem 1.8rem; border-right: 1px solid var(--rule);
  position: relative; overflow: hidden;
  transition: background .35s;
  cursor: default;
}
.publico-card:last-child { border-right: none; }
.publico-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform .45s ease;
}
.publico-card:hover { background: var(--linen); }
.publico-card:hover::after { transform: scaleX(1); }
.publico-card.featured { background: var(--stone); }
.publico-card.featured .pub-icon,
.publico-card.featured h4,
.publico-card.featured p,
.publico-card.featured .pub-tag { color: var(--parchm) !important; }
.publico-card.featured p { color: rgba(250,248,244,.55) !important; }
.publico-card.featured:hover { background: var(--warm); }
.publico-card.featured::after { background: var(--gold); }
.pub-icon { font-size: 1.6rem; margin-bottom: 1.4rem; transition: transform .3s; }
.publico-card:hover .pub-icon { transform: scale(1.15); }
.publico-card h4 { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 600; margin-bottom: .7rem; }
.publico-card p { font-size: .82rem; color: var(--muted); line-height: 1.75; }
.pub-tag { display: inline-block; margin-top: 1rem; font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bronze); }
.pub-focus-badge {
  display: inline-block; font-size: .58rem; letter-spacing: .12em; text-transform: uppercase;
  background: var(--gold); color: var(--parchm);
  padding: .15rem .5rem; margin-bottom: 1rem;
}

.publico-rest {
  margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--rule);
  display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap;
}
.publico-rest-label { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); flex-shrink: 0; }
.publico-rest-items { display: flex; gap: 1rem; flex-wrap: wrap; }
.rest-item {
  font-size: .8rem; color: var(--muted);
  padding: .3rem .9rem; border: 1px solid var(--rule);
  transition: border-color .25s, color .25s, background .25s;
  cursor: default;
}
.rest-item:hover { border-color: var(--bronze); color: var(--stone); background: var(--linen); }

/* ── PROBLEMAS ── */
#problemas { padding: 8rem 5vw; background: var(--stone); color: var(--parchm); }
#problemas .sec-label { color: rgba(184,146,58,.8); }
#problemas h2 { color: var(--parchm); max-width: 28ch; margin-bottom: 4rem; }
.prob-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid rgba(250,248,244,.08); }
.prob-card {
  padding: 2.2rem 2rem 2.2rem 0; border-bottom: 1px solid rgba(250,248,244,.08);
  display: grid; grid-template-columns: 2.5rem 1fr; gap: 1.2rem;
  transition: opacity .25s, background .25s;
  position: relative;
}
.prob-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--gold); transform: scaleY(0); transform-origin: top;
  transition: transform .4s ease;
}
.prob-card:hover::before { transform: scaleY(1); }
.prob-card:nth-child(even) { padding-left: 2rem; border-left: 1px solid rgba(250,248,244,.08); }
.prob-card:nth-child(even)::before { left: 2rem; }
.prob-card:hover { opacity: 1 !important; background: rgba(250,248,244,.03); }
.prob-n { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; color: rgba(184,146,58,.4); font-weight: 300; line-height: 1; padding-top: .1rem; transition: color .3s; }
.prob-card:hover .prob-n { color: rgba(184,146,58,.8); }
.prob-card h4 { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; font-weight: 600; color: var(--parchm); margin-bottom: .5rem; }
.prob-card p { font-size: .82rem; color: rgba(250,248,244,.5); line-height: 1.8; }

/* ── COMO FUNCIONA ── */
#como { padding: 8rem 5vw; }
.como-header { margin-bottom: 5rem; }
.como-header h2 { max-width: 26ch; }
.steps-list { display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.steps-list::before {
  content: ''; position: absolute;
  top: 1rem; left: calc(12.5% + 1rem); right: calc(12.5% + 1rem);
  height: 1px; background: linear-gradient(90deg, var(--bronze), rgba(184,146,58,.2));
}
.step { padding-right: 2rem; }
.step-marker {
  width: 2rem; height: 2rem; border: 1px solid var(--stone);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif; font-size: .9rem;
  margin-bottom: 1.8rem; position: relative; z-index: 1;
  background: var(--parchm);
  transition: background .3s, color .3s, transform .3s, border-color .3s;
}
.step:hover .step-marker { background: var(--stone); color: var(--parchm); transform: scale(1.1); border-color: var(--stone); }
.step h4 { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; font-weight: 600; margin-bottom: .6rem; transition: color .25s; }
.step:hover h4 { color: var(--bronze); }
.step p { font-size: .82rem; color: var(--muted); line-height: 1.75; }

/* ── DIFERENCIAIS ── */
#diferenciais { padding: 8rem 5vw; background: var(--linen); }
.dif-header { display: grid; grid-template-columns: 1fr 1fr; gap: 5vw; align-items: end; margin-bottom: 4.5rem; }
.dif-header h2 { max-width: 22ch; }
.dif-header p { color: var(--muted); font-size: .95rem; line-height: 1.85; }
.dif-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.dif-card {
  background: var(--parchm); padding: 2.4rem 2rem;
  transition: background .3s, transform .25s;
  position: relative; overflow: hidden;
}
.dif-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--bronze);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.dif-card:hover { background: var(--sand); }
.dif-card:hover::after { transform: scaleX(1); }
.dif-icon { font-size: 1.2rem; margin-bottom: 1.2rem; opacity: .7; transition: opacity .25s, transform .3s; }
.dif-card:hover .dif-icon { opacity: 1; transform: scale(1.1); }
.dif-card h4 { font-family: 'Cormorant Garamond', serif; font-size: 1.25rem; font-weight: 600; margin-bottom: .6rem; }
.dif-card p { font-size: .82rem; color: var(--muted); line-height: 1.8; }

/* ── FAQ ── */
#faq { padding: 8rem 5vw; }
.faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 6vw; align-items: start; }
.faq-left h2 { max-width: 18ch; }
.faq-left p { margin-top: 1.2rem; font-size: .88rem; color: var(--muted); line-height: 1.85; max-width: 30ch; }
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-q {
  padding: 1.4rem 0; display: flex; justify-content: space-between; align-items: flex-start; gap: 1.5rem;
  cursor: pointer; font-size: .92rem; line-height: 1.5; color: var(--stone);
  transition: color .25s; user-select: none;
}
.faq-q:hover { color: var(--bronze); }
.faq-toggle {
  font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; font-weight: 300;
  color: var(--bronze); line-height: 1; transition: transform .35s, color .25s; flex-shrink: 0; margin-top: -.1rem;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); color: var(--stone); }
.faq-a { display: none; padding: 0 2rem 1.4rem 0; font-size: .85rem; color: var(--muted); line-height: 1.85; }
.faq-item.open .faq-a { display: block; animation: fadeUp .3s ease both; }

/* ── CONTATO / FORMULÁRIO ── */
#contato {
  padding: 9rem 5vw;
  display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; align-items: center;
  position: relative; overflow: hidden;
}
.contato-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 50% 70% at 70% 50%, rgba(184,146,58,.06) 0%, transparent 70%);
}
.contato-left { position: relative; z-index: 1; }
.contato-left h2 { max-width: 22ch; margin-bottom: 1.4rem; }
.contato-left p { font-size: .92rem; color: var(--muted); line-height: 1.85; max-width: 40ch; }
.contato-right { position: relative; z-index: 1; }

/* estados do formulário */
.form-success {
  display: none; text-align: center; padding: 3rem 2rem;
  border: 1px solid var(--rule); background: var(--linen);
}
.form-success h3 { font-family: 'Cormorant Garamond', serif; font-size: 1.8rem; font-weight: 300; margin-bottom: .8rem; }
.form-success p { font-size: .85rem; color: var(--muted); line-height: 1.8; }
.form-success .check { font-size: 2rem; margin-bottom: 1rem; }

.form-group { display: flex; flex-direction: column; gap: .65rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }

.form-group input,
.form-group select,
.form-group textarea {
  padding: .9rem 1rem;
  background: transparent; border: 1px solid var(--rule);
  font-family: 'Jost', sans-serif; font-weight: 300; font-size: .85rem;
  color: var(--stone); outline: none;
  transition: border-color .25s, background .25s;
}
.form-group select { appearance: none; cursor: pointer; color: var(--muted); }
.form-group input::placeholder { color: var(--muted); }
.form-group input:focus,
.form-group select:focus { border-color: var(--bronze); background: rgba(250,248,244,.6); }
.form-group select:focus { color: var(--stone); }
.form-group select option { color: var(--stone); }

.form-group button {
  margin-top: .4rem; padding: 1rem;
  background: var(--stone); color: var(--parchm);
  border: none; font-family: 'Jost', sans-serif; font-weight: 400;
  font-size: .75rem; letter-spacing: .14em; text-transform: uppercase;
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: letter-spacing .25s;
}
.form-group button::after {
  content: ''; position: absolute; inset: 0;
  background: var(--bronze); transform: translateX(-101%);
  transition: transform .35s ease;
}
.form-group button:hover { letter-spacing: .2em; }
.form-group button:hover::after { transform: translateX(0); }
.form-group button span { position: relative; z-index: 1; }
.form-group button:disabled { opacity: .6; cursor: not-allowed; }
.form-group button:disabled::after { display: none; }

.form-note { font-size: .68rem; color: var(--muted); letter-spacing: .06em; margin-top: .4rem; }
.form-error { font-size: .72rem; color: #c0392b; letter-spacing: .04em; display: none; }
.field-error { border-color: #c0392b !important; }

/* ── FOOTER ── */
footer {
  padding: 3rem 5vw; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.2rem;
}
.footer-logo { font-family: 'Cormorant Garamond', serif; font-size: 1rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; transition: color .25s; }
.footer-logo:hover { color: var(--bronze); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a {
  font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  transition: color .25s; position: relative; padding-bottom: 2px;
}
.footer-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px;
  background: var(--bronze); transition: width .3s;
}
.footer-links a:hover { color: var(--stone); }
.footer-links a:hover::after { width: 100%; }
.footer-copy { font-size: .68rem; color: var(--muted); letter-spacing: .06em; }

/* ── WHATSAPP ── */
.wa {
  position: fixed; bottom: 1.8rem; right: 1.8rem; z-index: 300;
  width: 50px; height: 50px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; text-decoration: none;
  box-shadow: 0 4px 20px rgba(37,211,102,.35);
  transition: transform .25s, box-shadow .25s;
  animation: fadeUp 1s 1.2s both;
}
.wa:hover { transform: scale(1.12); box-shadow: 0 6px 28px rgba(37,211,102,.5); }
.wa-ring { position: absolute; width: 100%; height: 100%; border-radius: 50%; background: rgba(37,211,102,.3); animation: ripple 2.2s ease-out infinite; }
@keyframes ripple { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }

/* ── ANIMATIONS ── */
@keyframes fadeDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
@keyframes fadeUp   { from { opacity: 0; transform: translateY(20px);  } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  #hero { grid-template-columns: 1fr; padding-top: 8rem; }
  .hero-line-v { display: none; }
  .publico-grid { grid-template-columns: 1fr 1fr; }
  .prob-grid { grid-template-columns: 1fr; }
  .prob-card:nth-child(even) { padding-left: 0; border-left: none; }
  .prob-card:nth-child(even)::before { left: 0; }
  .steps-list { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .steps-list::before { display: none; }
  .dif-grid { grid-template-columns: 1fr 1fr; }
  .faq-wrap { grid-template-columns: 1fr; }
  #contato { grid-template-columns: 1fr; }
  .publico-header, .dif-header { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .publico-grid { grid-template-columns: 1fr; }
  .dif-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .steps-list { grid-template-columns: 1fr; }
}