:root {
      --bg:        #F5F0E8;
      --surface:   #FFFFFF;
      --dark:      #1E1710;
      --primary:   #44372A;
      --accent:    #C4A265;
      --gold:      #C4A265;
      --gold-light:#D4B478;
      --muted:     #8A7D6B;
      --border:    #D9D0C3;
      --light:     #EDE8DF;
      --serif: 'Source Serif 4', Georgia, serif;
      --sans:  'Inter', system-ui, sans-serif;
      --ease: cubic-bezier(.22,1,.36,1);
    }
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--dark);
      font-family: var(--sans);
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
    }
    ::selection { background: rgba(196,162,101,.2); }
    h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; }

    /* NAV */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 200;
      height: 64px; padding: 0 56px;
      display: flex; justify-content: space-between; align-items: center;
      background: rgba(26,19,13,.97);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(196,162,101,.1);
      transition: box-shadow .4s var(--ease);
    }
    .nav-logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
    .nav-mark { height: 34px; width: auto; display: block; }
    .nav-wordmark {
      font-family: var(--sans); font-size: 14px; font-weight: 500;
      letter-spacing: .22em; text-transform: uppercase;
      color: #EFE6D8; white-space: nowrap;
    }
    .nav-tagline {
      font-family: var(--sans); font-size: 7.5px; letter-spacing: .18em;
      text-transform: uppercase; color: rgba(212,180,120,.75); line-height: 1.6;
      padding-left: 14px; border-left: 1px solid rgba(255,255,255,.12);
      white-space: nowrap;
    }
    @media (max-width: 1260px) { .nav-tagline { display: none; } }
    @media (max-width: 600px) {
      .nav-wordmark { font-size: 12px; letter-spacing: .16em; }
      .nav-mark { height: 28px; }
      nav .lang-switch { display: none; }
    }
    .nav-right { display: flex; align-items: center; gap: 36px; }
    .nav-links { display: flex; gap: 28px; list-style: none; }
    .nav-links a {
      font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
      color: rgba(255,255,255,.55); text-decoration: none;
      transition: color .3s var(--ease);
    }
    .nav-links a:hover { color: #FFFFFF; }
    .nav-links a.active { color: #FFFFFF; }
    .nav-cta {
      font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
      color: var(--dark); text-decoration: none;
      background: var(--gold); padding: 10px 22px;
      transition: background .3s var(--ease), transform .2s var(--ease);
    }
    .nav-cta:hover { background: var(--gold-light); transform: translateY(-1px); }

    /* HAMBURGER */
    .hamburger {
      display: none; background: none; border: none; cursor: pointer;
      width: 28px; height: 20px; position: relative; z-index: 210;
    }
    .hamburger span {
      display: block; width: 100%; height: 1.5px; background: #FFFFFF;
      position: absolute; left: 0; transition: all .3s var(--ease);
    }
    .hamburger span:nth-child(1) { top: 0; }
    .hamburger span:nth-child(2) { top: 9px; }
    .hamburger span:nth-child(3) { top: 18px; }
    .hamburger.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

    .mobile-menu {
      display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: var(--dark); z-index: 199;
      flex-direction: column; align-items: center; justify-content: center; gap: 28px;
    }
    .mobile-menu.active { display: flex; }
    .mobile-menu a {
      font-family: var(--serif); font-size: 22px; color: rgba(255,255,255,.7);
      text-decoration: none; transition: color .2s var(--ease);
    }
    .mobile-menu a:hover { color: var(--gold-light); }

    /* SHARED */
    .eyebrow {
      font-family: var(--sans); font-size: 10px; letter-spacing: .22em;
      text-transform: uppercase; color: var(--accent);
      display: flex; align-items: center; gap: 14px; margin-bottom: 24px;
    }
    .eyebrow::before { content: ''; width: 32px; height: 1px; background: currentColor; flex-shrink: 0; }
    section { padding: 120px 56px; }
    hr { border: none; border-top: 1px solid var(--border); }
    .section-link {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
      color: var(--gold); text-decoration: none;
      transition: gap .3s var(--ease), color .3s var(--ease);
    }
    .section-link:hover { gap: 14px; color: var(--dark); }
    .section-link svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
    .section-link:hover svg { transform: translateX(3px); }

    /* LANGUAGE SWITCHER */
    .lang-switch {
      display: flex; align-items: center; gap: 0;
      border: 1px solid rgba(255,255,255,.15); background: transparent;
      flex-shrink: 0; overflow: hidden;
    }
    .lang-switch button {
      background: none; border: none; cursor: pointer;
      padding: 7px 12px; font-family: var(--sans);
      font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
      color: rgba(255,255,255,.4); transition: background .25s, color .25s;
      line-height: 1;
    }
    .lang-switch button.active { background: var(--gold); color: var(--dark); }
    .lang-switch button:hover:not(.active) { color: #FFFFFF; }
    .lang-switch-divider {
      width: 1px; height: 16px; background: rgba(255,255,255,.15); flex-shrink: 0;
    }
    .mobile-lang-switch {
      display: flex; align-items: center; gap: 0;
      border: 1px solid rgba(255,255,255,.15); margin-top: 12px;
    }
    .mobile-lang-switch button {
      background: none; border: none; cursor: pointer;
      padding: 10px 20px; font-family: var(--sans);
      font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
      color: rgba(255,255,255,.4); transition: background .25s, color .25s;
    }
    .mobile-lang-switch button.active { background: var(--gold); color: var(--dark); }
    .mobile-lang-switch .lang-switch-divider {
      width: 1px; height: 22px; background: rgba(255,255,255,.15); flex-shrink: 0;
    }

    /* === METODO PAGE HERO === */
    .met-hero {
      min-height: 70vh;
      padding: 160px 56px 100px;
      background: var(--dark);
      position: relative; overflow: hidden;
      display: flex; flex-direction: column; justify-content: center;
    }
    .met-hero-arc {
      position: absolute; right: -60px; top: 50%;
      transform: translateY(-50%);
      width: 600px; height: 600px; opacity: .04;
      pointer-events: none;
    }
    .met-hero-content { position: relative; z-index: 2; max-width: 720px; }
    .met-hero .eyebrow { color: var(--gold-light); }
    .met-hero h1 {
      font-size: clamp(36px, 4.2vw, 60px);
      line-height: 1.1; letter-spacing: -.02em;
      color: var(--surface); margin-bottom: 24px;
    }
    .met-hero h1 em { font-style: italic; color: var(--gold-light); }
    .met-hero-sub {
      font-size: 18px; font-weight: 300; color: rgba(255,255,255,.62);
      line-height: 1.8; max-width: 600px;
    }

    /* === PREMISSA === */
    .premissa-section { background: var(--surface); }
    .premissa-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 80px; align-items: start;
    }
    .premissa-text h2 {
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.18; margin-bottom: 32px;
    }
    .premissa-text h2 em { font-style: italic; color: var(--gold); }
    .premissa-text p {
      font-size: 15px; color: var(--muted); line-height: 1.85;
      margin-bottom: 20px;
    }
    .premissa-quote {
      font-family: var(--serif); font-size: 20px;
      font-style: italic; color: var(--primary);
      line-height: 1.55; border-left: 2px solid var(--gold);
      padding-left: 24px; margin-top: 40px;
    }

    /* === PILARES === */
    .pilares-section { background: var(--bg); }
    .pilares-header { margin-bottom: 64px; }
    .pilares-header h2 {
      font-size: clamp(28px, 3.5vw, 48px);
      line-height: 1.15; margin-bottom: 16px;
    }
    .pilares-header h2 em { font-style: italic; color: var(--gold); }
    .pilares-header-sub {
      font-size: 16px; color: var(--muted); max-width: 560px; line-height: 1.7;
    }

    .pilar-block {
      display: grid; grid-template-columns: 280px 1fr;
      gap: 0; margin-bottom: 2px;
      background: var(--surface);
      transition: background .3s var(--ease);
    }
    .pilar-block:hover { background: var(--light); }
    .pilar-block-header {
      padding: 48px 40px;
      border-right: 1px solid var(--border);
      display: flex; flex-direction: column; justify-content: flex-start;
    }
    .pilar-block-num {
      font-family: var(--serif); font-size: 56px;
      color: var(--border); line-height: 1; margin-bottom: 16px;
    }
    .pilar-block-header h3 {
      font-size: 22px; line-height: 1.25; color: var(--dark);
    }
    .pilar-block-body {
      padding: 48px 44px;
    }
    .pilar-block-body p {
      font-size: 15px; color: var(--muted); line-height: 1.85;
      margin-bottom: 16px;
    }
    .pilar-block-body p:last-child { margin-bottom: 0; }
    .pilar-detail-label {
      font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
      color: var(--gold); margin-bottom: 10px; margin-top: 24px;
      display: flex; align-items: center; gap: 10px;
    }
    .pilar-detail-label::before {
      content: ''; width: 20px; height: 1px; background: var(--gold); flex-shrink: 0;
    }
    .pilar-block-body .detail-text {
      font-size: 14px; color: var(--muted); line-height: 1.8;
    }

    /* === COMO É ENSINADO === */
    .ensinado-section {
      background: var(--dark); position: relative; overflow: hidden;
    }
    .ensinado-section .eyebrow { color: var(--gold-light); }
    .ensinado-content { max-width: 680px; }
    .ensinado-content h2 {
      font-size: clamp(26px, 3vw, 40px);
      color: var(--surface); line-height: 1.18; margin-bottom: 24px;
    }
    .ensinado-content h2 em { font-style: italic; color: var(--gold-light); }
    .ensinado-content p {
      font-size: 15px; color: rgba(255,255,255,.58); line-height: 1.85;
      margin-bottom: 20px;
    }
    .ensinado-content .section-link {
      color: var(--gold-light); margin-top: 16px;
    }
    .ensinado-content .section-link:hover { color: #FFFFFF; }

    /* === CTA FINAL === */
    .met-cta-section {
      background: var(--dark);
      border-top: 1px solid rgba(255,255,255,.06);
      text-align: center;
      padding: 100px 56px;
    }
    .met-cta-section h2 {
      font-size: clamp(24px, 2.8vw, 36px);
      color: var(--surface); line-height: 1.25; margin-bottom: 32px;
    }
    .met-cta-section h2 em { font-style: italic; color: var(--gold-light); }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 16px 32px;
      font-family: var(--sans); font-size: 11px;
      letter-spacing: .14em; text-transform: uppercase;
      text-decoration: none; border: none; cursor: pointer;
      background: var(--gold); color: var(--dark);
      transition: all .3s var(--ease);
    }
    .btn-primary:hover {
      background: var(--gold-light); transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(196,162,101,.25);
    }

    /* === FOOTER === */
    footer {
      background: var(--dark); padding: 64px 56px 36px;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr;
      gap: 48px; margin-bottom: 48px;
    }
    .footer-brand {
      font-family: var(--serif); font-size: 18px;
      color: #FFFFFF; margin-bottom: 14px;
    }
    .footer-brand span { color: var(--gold-light); }
    .footer-desc {
      font-size: 13px; color: rgba(255,255,255,.48); line-height: 1.7;
    }
    .footer-col h5 {
      font-family: var(--sans); font-size: 10px; letter-spacing: .14em;
      text-transform: uppercase; color: rgba(255,255,255,.62);
      margin-bottom: 18px; font-weight: 500;
    }
    .footer-col a {
      display: block; font-size: 13px; color: rgba(255,255,255,.4);
      text-decoration: none; padding: 5px 0;
      transition: color .3s var(--ease);
    }
    .footer-col a:hover { color: var(--gold-light); }
    .footer-col p {
      font-size: 13px; color: rgba(255,255,255,.48); line-height: 1.6;
    }
    .footer-bottom {
      display: flex; justify-content: space-between; align-items: center;
      padding-top: 24px; border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-copy { font-size: 11px; color: rgba(255,255,255,.2); }

    /* === ANIMATIONS === */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(28px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .met-hero-content .eyebrow      { opacity: 0; animation: fadeUp .9s var(--ease) .15s forwards; }
    .met-hero-content h1            { opacity: 0; animation: fadeUp .9s var(--ease) .3s forwards; }
    .met-hero-content .met-hero-sub { opacity: 0; animation: fadeUp .9s var(--ease) .45s forwards; }
    .reveal {
      opacity: 0; transform: translateY(24px);
      transition: opacity .8s var(--ease), transform .8s var(--ease);
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    .reveal-d1 { transition-delay: .1s; }
    .reveal-d2 { transition-delay: .2s; }
    .reveal-d3 { transition-delay: .3s; }
    .reveal-d4 { transition-delay: .4s; }

    .reveal .pilar-block {
      opacity: 0; transform: translateY(16px);
      transition: opacity .6s var(--ease), transform .6s var(--ease);
    }
    .reveal.visible .pilar-block {
      opacity: 1; transform: translateY(0);
    }
    .reveal .pilar-block:nth-child(2) { transition-delay: .12s; }
    .reveal .pilar-block:nth-child(3) { transition-delay: .24s; }
    .reveal .pilar-block:nth-child(4) { transition-delay: .36s; }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0ms !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
      }
      .reveal, .met-hero-content .eyebrow, .met-hero-content h1,
      .met-hero-content .met-hero-sub,
      .reveal .pilar-block {
        opacity: 1 !important; transform: none !important;
      }
    }

    /* === RESPONSIVE === */
    @media (max-width: 1100px) {
      nav { padding: 0 24px; }
      .nav-links { display: none; }
      .nav-cta { padding: 9px 14px; letter-spacing: .1em; }
      .hamburger { display: block; }
      section { padding: 80px 24px; }
      .met-hero { padding: 120px 24px 72px; min-height: auto; }
      .met-hero-arc { display: none; }
      .premissa-grid { grid-template-columns: 1fr; gap: 40px; }
      .pilar-block { grid-template-columns: 1fr; }
      .pilar-block-header { border-right: none; border-bottom: 1px solid var(--border); padding: 32px 24px; }
      .pilar-block-body { padding: 32px 24px; }
      .met-cta-section { padding: 72px 24px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
      .lang-switch { order: -1; }
    }
    @media (max-width: 600px) {
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    }
