/* =========================================================
   LEVI — AULAS PARTICULARES DE IDIOMAS
   Arquivo principal de estilos
   ---------------------------------------------------------
   Alterações rápidas:
   - Cores: variáveis em :root
   - Tipografia: --font-display / --font-body
   - Largura máxima: --container
   ========================================================= */

:root {
  --bg: #080808;
  --bg-2: #101010;
  --bg-3: #151515;
  --paper: #eae5da;
  --paper-dim: #bdb7aa;
  --muted: #8f897d;
  --gold: #b99a56;
  --gold-deep: #806a3a;
  --line: rgba(185, 154, 86, 0.22);
  --line-soft: rgba(234, 229, 218, 0.09);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --radius: 2px;
  --container: 1180px;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(185, 154, 86, 0.055), transparent 25%),
    linear-gradient(180deg, #070707 0%, var(--bg) 35%, #090909 100%);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
::selection { background: var(--gold); color: #090909; }

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 9999;
  padding: 10px 14px;
  background: var(--paper);
  color: #111;
}
.skip-link:focus { top: 16px; }

.container { width: min(calc(100% - 36px), var(--container)); margin: 0 auto; }
.section-pad { padding: 96px 0; }
.section-border { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section-soft { background: linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,.007)); }
.hidden { display: none !important; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8,8,8,.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-deep);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1;
}
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-family: var(--font-display); font-size: 21px; letter-spacing: .14em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav > a { color: #cfc9bd; font-size: 13px; letter-spacing: .06em; transition: color .25s ease; }
.site-nav > a:hover { color: var(--paper); }
.site-nav .nav-cta { padding: 10px 16px; border: 1px solid var(--line); color: var(--gold); }
.menu-toggle { display: none; border: 0; background: transparent; color: white; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 25px; height: 1px; margin: 6px 0; background: currentColor; }

.eyebrow {
  display: inline-block;
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.section-index {
  display: inline-block;
  margin-bottom: 10px;
  color: #5c574f;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .22em;
}
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 500; line-height: 1.04; }
h1 { font-size: clamp(3.4rem, 7vw, 6.7rem); max-width: 930px; letter-spacing: -.035em; }
h2 { font-size: clamp(2.6rem, 4.8vw, 4.9rem); letter-spacing: -.03em; }
h3 { font-size: clamp(1.7rem, 2.3vw, 2.2rem); }
p { color: #c8c2b8; }

.hero { min-height: calc(100vh - 78px); display: flex; align-items: center; padding-top: 78px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(290px, .65fr); gap: 76px; align-items: end; }
.hero-copy .eyebrow { margin-bottom: 24px; }
.hero-lead { max-width: 790px; margin: 30px 0 0; font-size: 18px; line-height: 1.8; }
.language-line { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; color: #9f998f; font-size: 12px; letter-spacing: .14em; }
.language-line .dot { color: var(--gold-deep); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 38px; }
.btn {
  min-height: 52px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 14px 22px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: transform .25s ease, border-color .25s ease, background .25s ease, color .25s ease, box-shadow .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--gold); color: #090909; box-shadow: 0 10px 35px rgba(185,154,86,.10); }
.btn-primary:hover { background: #c7a764; box-shadow: 0 16px 38px rgba(185,154,86,.15); }
.btn-ghost { border-color: var(--line); color: var(--paper); }
.btn-ghost:hover { border-color: rgba(185,154,86,.5); color: var(--gold); }
.btn.full { width: 100%; }
.microcopy { margin-top: 18px; color: #777169; font-size: 11px; letter-spacing: .04em; }

.hero-card {
  position: relative;
  min-height: 420px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, rgba(255,255,255,.025), rgba(255,255,255,.008));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(185,154,86,.11);
  pointer-events: none;
}
.hero-card::after {
  content: "";
  position: absolute;
  width: 230px;
  height: 230px;
  right: -90px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(185,154,86,.12), transparent 67%);
}
.roman { position: relative; z-index: 1; color: var(--gold); font-family: var(--font-display); font-size: 18px; letter-spacing: .12em; }
.quote { position: relative; z-index: 1; margin: 50px 0; color: var(--paper); font-family: var(--font-display); font-size: clamp(2.2rem, 3.2vw, 3.1rem); line-height: 1.08; }
.hero-card-foot { position: relative; z-index: 1; display: flex; gap: 14px; flex-wrap: wrap; color: #716c63; font-size: 9px; letter-spacing: .2em; }

.section-heading { max-width: 710px; }
.section-heading .eyebrow { display: block; margin-bottom: 18px; }
.section-heading.compact { max-width: 820px; margin-bottom: 44px; }
.split-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 96px; align-items: center; }
.align-start { align-items: start; }
.section-copy > p:first-child { margin-top: 0; }
.section-copy p { font-size: 17px; }
.access-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 34px; }
.access-grid span, .learning-grid span {
  padding: 13px 14px;
  border: 1px solid var(--line-soft);
  color: #a9a398;
  text-align: center;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: rgba(255,255,255,.01);
}

.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.comparison-card { min-height: 280px; padding: 34px; border: 1px solid var(--line-soft); }
.muted-card { background: rgba(255,255,255,.012); }
.featured-card { background: linear-gradient(145deg, rgba(185,154,86,.06), rgba(255,255,255,.01)); border-color: var(--line); }
.card-kicker { display: block; margin-bottom: 40px; color: var(--gold); font-size: 10px; letter-spacing: .18em; }
.comparison-card h3 { margin-bottom: 18px; }

.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 50px; }
.process-card { min-height: 290px; padding: 26px; border-top: 1px solid var(--gold-deep); border-bottom: 1px solid var(--line-soft); background: rgba(255,255,255,.01); transition: transform .25s ease, background .25s ease; }
.process-card:hover { transform: translateY(-5px); background: rgba(185,154,86,.035); }
.process-card > span { color: var(--gold); font-family: var(--font-display); }
.process-card h3 { margin-top: 52px; font-size: 1.75rem; }
.process-card p { font-size: 14px; }
.center-cta { margin-top: 42px; text-align: center; }

.learning-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.learning-grid span { padding: 25px 16px; font-family: var(--font-display); font-size: 20px; letter-spacing: .07em; }

.language-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.language-card { min-height: 300px; padding: 26px; border: 1px solid var(--line-soft); background: rgba(255,255,255,.01); }
.language-card.primary-language { background: linear-gradient(180deg, rgba(185,154,86,.06), rgba(255,255,255,.01)); border-color: var(--line); }
.status { display: inline-block; color: var(--gold); font-size: 9px; letter-spacing: .16em; }
.status.subtle { color: #777169; }
.language-card h3 { margin: 68px 0 18px; font-size: 2.8rem; }
.language-card p { font-size: 14px; }

.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 26px; }
.check-list p { position: relative; margin: 0; padding: 18px 0 18px 30px; border-bottom: 1px solid var(--line-soft); }
.check-list p::before { content: "—"; position: absolute; left: 0; color: var(--gold); }

.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-soft); border-left: 1px solid var(--line-soft); }
.benefit-grid div { min-height: 112px; padding: 24px; display: flex; align-items: center; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); color: #c9c3b9; font-size: 14px; }

.about { background: linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,0)); }
.about-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: start; }
.portrait-wrap { position: sticky; top: 115px; }
.portrait-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0d0d0d;
  box-shadow: 0 28px 70px rgba(0,0,0,.28);
}
.portrait-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.025), inset 0 -90px 100px rgba(0,0,0,.18);
}
.portrait-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 42%;
  filter: saturate(.88) contrast(1.02);
  transition: transform .8s ease, filter .8s ease;
}
.portrait-wrap:hover .portrait-photo img {
  transform: scale(1.015);
  filter: saturate(.96) contrast(1.03);
}
.portrait-caption { padding-top: 18px; display: grid; border-top: 1px solid var(--line-soft); margin-top: 18px; }
.portrait-caption strong { font-family: var(--font-display); font-size: 28px; letter-spacing: .08em; }
.portrait-caption span { color: #aaa49a; font-size: 12px; }
.portrait-caption small { color: var(--gold-deep); margin-top: 4px; }
.about-copy h2 { margin-bottom: 28px; }
.about-copy p { font-size: 16px; }
.about-copy blockquote { margin: 42px 0; padding: 28px 0 28px 28px; border-left: 1px solid var(--gold); color: var(--paper); font-family: var(--font-display); font-size: clamp(2rem, 3.8vw, 3.4rem); line-height: 1.05; }
.about-copy h3 { margin-top: 46px; margin-bottom: 18px; color: var(--paper); }
.about-close { margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--line-soft); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.price-card { position: relative; padding: 30px; border: 1px solid var(--line-soft); background: #0d0d0d; display: flex; flex-direction: column; }
.price-card.highlighted { border-color: rgba(185,154,86,.48); background: linear-gradient(180deg, rgba(185,154,86,.06), #0d0d0d 40%); transform: translateY(-10px); }
.recommendation { position: absolute; top: 0; left: 0; right: 0; padding: 9px; background: var(--gold); color: #080808; text-align: center; font-size: 9px; font-weight: 700; letter-spacing: .13em; }
.highlighted .price-label { margin-top: 24px; }
.price-label { color: var(--gold); font-size: 10px; letter-spacing: .16em; }
.price-card h3 { margin-top: 20px; }
.duration { margin-top: 7px; color: #827d74; font-size: 13px; }
.price { margin-top: 34px; font-family: var(--font-display); font-size: 3.4rem; line-height: 1; }
.price span { font-family: var(--font-body); font-size: 12px; color: #918b81; }
.per-class { color: #777169; font-size: 12px; }
.price-card ul { padding: 0; margin: 28px 0 32px; list-style: none; flex: 1; }
.price-card li { padding: 10px 0; color: #bdb7ad; border-bottom: 1px solid var(--line-soft); font-size: 13px; }

.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; align-items: start; }
.accordion details { border-top: 1px solid var(--line-soft); }
.accordion details:last-child { border-bottom: 1px solid var(--line-soft); }
.accordion summary { list-style: none; cursor: pointer; padding: 22px 46px 22px 0; position: relative; color: var(--paper); font-family: var(--font-display); font-size: 22px; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 0; color: var(--gold); font-family: var(--font-body); font-size: 20px; transition: transform .25s ease; }
.accordion details[open] summary::after { transform: rotate(45deg); }
.accordion details p { margin: 0; padding: 0 50px 24px 0; font-size: 14px; }

.final-cta { text-align: center; background: radial-gradient(circle at 50% 50%, rgba(185,154,86,.07), transparent 42%); }
.final-cta-inner { max-width: 900px; }
.final-cta h2 { margin: 20px auto 0; }
.final-cta p { max-width: 650px; margin: 24px auto 32px; }

.site-footer { padding: 60px 0 24px; background: #060606; border-top: 1px solid var(--line-soft); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .65fr 1fr; gap: 50px; }
.footer-brand { margin-bottom: 18px; }
.site-footer p { max-width: 420px; color: #7f796f; font-size: 13px; }
.footer-links, .footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-links a, .footer-contact a, .footer-contact span { color: #8f897f; font-size: 12px; }
.footer-links a:hover, .footer-contact a:hover { color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line-soft); color: #5f5a53; font-size: 11px; }

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gold);
  color: #080808;
  box-shadow: 0 14px 30px rgba(0,0,0,.4);
  transition: transform .25s ease;
}
.whatsapp-float:hover { transform: translateY(-3px); }
.whatsapp-float svg { width: 28px; height: 28px; fill: currentColor; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1020px) {
  .section-pad { padding: 82px 0; }
  .hero-grid, .about-grid, .split-grid, .faq-grid { grid-template-columns: 1fr; gap: 52px; }
  .hero { min-height: auto; }
  .hero-card { min-height: 320px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-card:last-child { grid-column: 1 / -1; }
  .language-cards { grid-template-columns: 1fr 1fr; }
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .portrait-wrap { position: static; max-width: 560px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 720px; margin: 0 auto; }
  .price-card.highlighted { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    left: 18px;
    right: 18px;
    top: 86px;
    padding: 24px;
    display: grid;
    gap: 0;
    background: rgba(12,12,12,.98);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: .25s ease;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav > a { padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
  .site-nav .nav-cta { border: 0; border-bottom: 0; color: var(--gold); }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section-pad { padding: 68px 0; }
  .nav-wrap { min-height: 70px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-copy strong { font-size: 18px; }
  .brand-copy small { font-size: 9px; }
  .hero { padding-top: 48px; }
  h1 { font-size: clamp(3.25rem, 14vw, 4.7rem); }
  h2 { font-size: clamp(2.65rem, 11vw, 3.7rem); }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; }
  .hero-actions .btn { width: 100%; }
  .hero-card { min-height: 310px; padding: 26px; }
  .quote { font-size: 2.35rem; }
  .access-grid, .learning-grid, .comparison-grid, .language-cards, .check-list, .benefit-grid, .process-grid { grid-template-columns: 1fr; }
  .process-card:last-child { grid-column: auto; }
  .process-card { min-height: auto; }
  .process-card h3 { margin-top: 34px; }
  .language-card { min-height: 250px; }
  .language-card h3 { margin-top: 48px; }
  .benefit-grid { border-right: 1px solid var(--line-soft); }
  .about-copy blockquote { padding-left: 20px; font-size: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .whatsapp-float { width: 50px; height: 50px; right: 14px; bottom: 14px; }
}

@media (max-width: 390px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .section-pad { padding: 58px 0; }
  .hero-lead { line-height: 1.65; }
  .btn { width: 100%; padding-inline: 16px; text-align: center; }
  .language-line { gap: 7px; font-size: 10px; }
  .portrait-photo { aspect-ratio: 4 / 5; }
}