:root {
      --paper: #f5f4f0;
      --surface: #fffefb;
      --surface-soft: #eeece6;
      --ink: #142033;
      --muted: #5f6978;
      --line: #dcd9d1;
      --blue: #3f5e89;
      --blue-deep: #142033;
      --orange: #d87837;
      --orange-soft: #f3dfce;
      --yellow: #f2c94c;
      --display: "Fraunces", Georgia, serif;
      --body: "Manrope", system-ui, sans-serif;
      --radius: 18px;
      --wrap: 1160px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: var(--body);
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
    }
    body.menu-open { overflow: hidden; }
    a { color: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    svg { display: block; }

    .wrap { width: min(calc(100% - 48px), var(--wrap)); margin-inline: auto; }
    .section { padding: 104px 0; }
    .section-line { border-top: 1px solid var(--line); }
    .surface { background: var(--surface); }
    .eyebrow {
      display: flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 14px;
      color: var(--blue);
      font-size: .76rem;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
    }
    .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--orange); }
    h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 600; text-wrap: balance; }
    h1 { max-width: 650px; font-size: clamp(2.45rem, 4.8vw, 4.15rem); line-height: 1.04; letter-spacing: -.03em; }
    .hero-copy h1 { font-size: clamp(2.1rem, 4vw, 3.15rem); line-height: 1.12; max-width: 600px; }
    h2 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.025em; }
    h3 { font-size: 1.35rem; line-height: 1.2; }
    p { margin: 0; }
    .lead { max-width: 650px; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.16rem); }
    .marker {
      background: linear-gradient(transparent 64%, rgba(216, 120, 55, .28) 64%);
      color: inherit;
    }
    .btn {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 21px;
      border: 1px solid transparent;
      border-radius: 999px;
      font: 700 .88rem/1 var(--body);
      text-decoration: none;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { background: var(--orange); color: #fff; }
    .btn-secondary { border-color: var(--line); background: rgba(255,255,255,.48); }
    .btn-secondary:hover { border-color: var(--blue); }
    .btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

    /* Header */
    .site-header {
      position: sticky;
      z-index: 30;
      top: 0;
      border-bottom: 1px solid rgba(220,217,209,.8);
      background: rgba(245,244,240,.88);
      backdrop-filter: blur(14px);
    }
    .nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; text-decoration: none; }
    .brand-logo { display: block; width: auto; height: 31px; }
    .nav-links { display: flex; align-items: center; gap: 30px; }
    .nav-links > a:not(.btn) { color: var(--muted); font-size: .87rem; font-weight: 600; text-decoration: none; }
    .nav-links > a:not(.btn):hover { color: var(--ink); }
    .menu-button { display: none; width: 44px; height: 44px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); }
    .menu-button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }

    /* Hero */
    .hero { padding: 56px 0 64px; overflow: hidden; }
    .hero-layout { display: grid; grid-template-columns: minmax(0, 600px) 1fr; align-items: center; gap: 56px; }
    .hero-copy { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
    .hero .lead { margin-top: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
    .trust-line { margin-top: 16px; color: var(--muted); font-size: .82rem; }
    .trust-line strong { color: var(--ink); }

    .product-stage {
      position: relative;
      margin: 0;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: var(--surface-soft);
    }
    .paper {
      position: relative;
      overflow: hidden;
      padding: 30px 28px 28px 64px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background-color: var(--surface);
      background-image: repeating-linear-gradient(transparent, transparent 34px, #e9e5dc 35px);
      box-shadow: 0 24px 55px -40px rgba(20,32,51,.45);
    }
    .paper::before { content: ""; position: absolute; top: 0; bottom: 0; left: 43px; width: 1px; background: #e8b7a1; }
    .paper-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--blue); font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
    .paper h3 { margin-top: 22px; }
    .student-text { max-width: 690px; margin-top: 15px; color: #4f5968; line-height: 2.12; }
    .highlight { background: linear-gradient(transparent 18%, rgba(242,201,76,.55) 18%, rgba(242,201,76,.55) 88%, transparent 88%); }
    .teacher-note { position: relative; margin: 23px 0 0 14%; color: var(--blue); font: 500 1.05rem/1.4 var(--display); font-style: italic; }
    .rubrics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
    .chip { padding: 7px 11px; border-radius: 999px; background: #e8edf3; color: var(--blue); font-size: .72rem; font-weight: 700; }
    .chip.attention { background: var(--orange-soft); color: #8d4b1d; }
    .metrics {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      margin-top: 24px;
      padding: 16px 0 0;
      border-top: 1px solid var(--line);
    }
    .metric { padding: 0 30px; border-right: 1px solid var(--line); text-align: center; }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: var(--ink); font: 600 clamp(1.5rem, 2.6vw, 2.1rem)/1 var(--display); letter-spacing: -.03em; }
    .metric span { display: block; margin-top: 6px; color: var(--muted); font-size: .72rem; font-weight: 600; }
    @media (max-width: 860px) {
      .metrics { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
      .metric:nth-child(3) { border-right: 0; }
    }
    @media (max-width: 560px) {
      .metrics { grid-template-columns: 1fr; row-gap: 0; }
      .metric { padding: 16px 0; border-right: 0; border-bottom: 1px solid var(--line); }
      .metric:last-child { border-bottom: 0; }
    }

    /* Two product pillars */
    .section-heading { display: grid; grid-template-columns: 1fr .82fr; align-items: end; gap: 60px; margin-bottom: 50px; }
    .section-heading .lead { justify-self: end; }
    .pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding-top: 8px; }
    .pillar { padding: 32px 0 4px; border-top: 3px solid var(--orange); }
    .pillar.dark { border-color: var(--blue); }
    .pillar-number { display: block; margin-bottom: 34px; color: var(--muted); font: 700 .74rem var(--body); letter-spacing: .08em; text-transform: uppercase; }
    .pillar h3 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
    .pillar p { max-width: 490px; margin-top: 15px; color: var(--muted); }
    .feature-icons { display: grid; gap: 16px; margin-top: 28px; }
    .feature-icons .f-item { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: flex-start; }
    .feature-icons .f-icon { width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid; place-items: center; background: var(--orange-soft); color: #8d4b1d; }
    .pillar.dark .feature-icons .f-icon { background: #e8edf3; color: var(--blue); }
    .feature-icons .f-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
    .feature-icons span { padding-top: 6px; color: var(--ink); font-size: .84rem; font-weight: 600; line-height: 1.4; }

    /* Em breve badge + pillars */
    .badge-soon { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 16px; padding: 5px 12px; border-radius: 999px; background: var(--orange-soft); color: #8d4b1d; font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    .pillar.soon { border-top-style: dashed; }
    .soon-note { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
    .soon-note p { max-width: 520px; color: var(--muted); font-size: .92rem; }

    /* Flow */
    .flow { margin-top: 56px; border-top: 1px solid var(--line); }
    .flow-item { display: grid; grid-template-columns: 82px 1fr 1fr; gap: 34px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
    .flow-number { color: var(--orange); font: 600 1.6rem var(--display); }
    .flow-item h3 { font-family: var(--body); font-size: 1rem; }
    .flow-item p { color: var(--muted); font-size: .92rem; }

    /* Assistente pedagógico */
    .planner-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
    .benefits { display: grid; gap: 28px; margin-top: 38px; }
    .benefit { display: grid; grid-template-columns: 29px 1fr; gap: 15px; }
    .benefit-icon { width: 29px; height: 29px; display: grid; place-items: center; border: 1px solid #ddbaa0; border-radius: 50%; color: #8d4b1d; font-size: .78rem; font-weight: 700; }
    .benefit h3 { font: 700 .94rem var(--body); }
    .benefit p { margin-top: 5px; color: var(--muted); font-size: .88rem; }
    .assistant-note { padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
    .assistant-note h3 { max-width: 510px; font-size: clamp(1.45rem, 2.5vw, 2rem); }
    .assistant-note p { margin-top: 18px; color: var(--muted); }
    .assistant-note ul { display: grid; gap: 14px; margin: 28px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); list-style: none; }
    .assistant-note li { display: flex; gap: 12px; color: var(--ink); font-size: .86rem; }
    .assistant-note li::before { content: "✓"; color: var(--orange); font-weight: 700; }

    /* Adoption / support */
    .adoption-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 40px; margin-top: 44px; }
    .adoption-item { display: grid; grid-template-columns: 44px 1fr; gap: 16px; }
    .adoption-icon { width: 44px; height: 44px; flex: none; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); display: grid; place-items: center; color: var(--blue); }
    .adoption-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
    .adoption-item h3 { font: 700 .96rem var(--body); }
    .adoption-item p { margin-top: 5px; color: var(--muted); font-size: .86rem; }
    @media (max-width: 680px) { .adoption-grid { grid-template-columns: 1fr; } }

    /* Network */
    .network-panel { overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; border-radius: 24px; background: var(--blue-deep); color: #f7f5ef; }
    .network-copy { padding: 60px; }
    .network-copy .eyebrow { color: #b8c8dc; }
    .network-copy .lead { margin-top: 22px; color: #b8c3d2; }
    .network-list { display: grid; border-left: 1px solid #334157; }
    .network-item { display: grid; grid-template-columns: 32px 1fr; gap: 16px; align-content: center; padding: 30px 38px; border-bottom: 1px solid #334157; }
    .network-item:last-child { border-bottom: 0; }
    .network-item b { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--orange); font-size: .72rem; }
    .network-item h3 { font: 700 .94rem var(--body); color: white; }
    .network-item p { margin-top: 4px; color: #aeb9ca; font-size: .83rem; }

    /* Human review */
    .human { display: grid; grid-template-columns: .88fr 1.12fr; gap: 90px; align-items: start; }
    .human .lead { margin-top: 22px; }
    .principles { border-top: 1px solid var(--line); }
    .principle { display: grid; grid-template-columns: 24px 1fr; gap: 15px; padding: 23px 0; border-bottom: 1px solid var(--line); }
    .principle svg { width: 19px; height: 19px; margin-top: 2px; fill: none; stroke: var(--orange); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .principle h3 { font: 700 .92rem var(--body); }
    .principle p { margin-top: 5px; color: var(--muted); font-size: .84rem; }

    /* CTA and footer */
    .cta { padding: 90px 0; text-align: center; }
    .cta-box { position: relative; overflow: hidden; padding: 70px 40px; border-radius: 24px; background: var(--orange-soft); }
    .cta-box h2, .cta-box p, .cta-box a { position: relative; z-index: 1; }
    .cta-box h2 { max-width: 720px; margin-inline: auto; }
    .cta-box p { max-width: 560px; margin: 20px auto 30px; color: #6c5b4e; }
    footer { padding: 38px 0; border-top: 1px solid var(--line); }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .footer-row p { color: var(--muted); font-size: .77rem; }
    .footer-links { display: flex; gap: 20px; }
    .footer-links a { color: var(--muted); font-size: .76rem; font-weight: 600; text-decoration: none; }

    @media (max-width: 900px) {
      .section { padding: 78px 0; }
      .nav-links {
        position: fixed;
        inset: 72px 0 auto;
        display: none;
        align-items: stretch;
        padding: 22px 24px 28px;
        border-bottom: 1px solid var(--line);
        background: var(--paper);
        box-shadow: 0 20px 35px -32px rgba(20,32,51,.5);
      }
      .nav-links.open { display: grid; }
      .nav-links > a:not(.btn) { padding: 10px 4px; }
      .menu-button { display: grid; }
      .hero { padding-top: 70px; }
      .hero-layout, .section-heading, .planner-grid, .human { grid-template-columns: 1fr; gap: 42px; }
      .hero-copy { max-width: 730px; }
      .product-stage { max-width: 760px; }
      .section-heading .lead { justify-self: start; }
      .network-panel { grid-template-columns: 1fr; }
      .network-list { border-top: 1px solid #334157; border-left: 0; }
    }

    @media (max-width: 680px) {
      .wrap { width: min(calc(100% - 32px), var(--wrap)); }
      .section { padding: 66px 0; }
      h1 { font-size: clamp(2.55rem, 13vw, 3.8rem); }
      .hero { padding: 58px 0 70px; }
      .hero-actions { width: 100%; }
      .hero-actions .btn { width: 100%; }
      .product-stage { padding: 12px; border-radius: 18px; }
      .paper { padding: 25px 20px 24px 44px; }
      .paper::before { left: 30px; }
      .paper-meta { display: grid; gap: 4px; }
      .student-text { font-size: .84rem; line-height: 2.2; }
      .teacher-note { margin-left: 8%; font-size: 1rem; }
      .pillars { grid-template-columns: 1fr; }
      .pillar { padding: 26px 0 4px; }
      .pillar-number { margin-bottom: 24px; }
      .flow-item { grid-template-columns: 48px 1fr; gap: 15px; }
      .flow-item p { grid-column: 2; }
      .network-copy { padding: 40px 28px; }
      .network-item { padding: 25px 28px; }
      .cta { padding: 64px 0; }
      .cta-box { padding: 58px 24px; }
      .footer-row { align-items: flex-start; flex-direction: column; }
      .footer-links { flex-wrap: wrap; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; }
    }

    /* Ajustes funcionais: preservar a identidade e os textos da página original. */
    section[id] { scroll-margin-top: 96px; }
    .footer-row, .footer-links { flex-wrap: wrap; }
    .nav-links > a { flex-shrink: 0; }

    @media (max-width: 900px) {
      html:not(.menu-ready) .site-header { position: relative; }
      html:not(.menu-ready) .nav { flex-wrap: wrap; padding-block: 20px; }
      html:not(.menu-ready) .nav-links {
        position: static;
        display: grid;
        width: 100%;
        padding: 0;
        border: 0;
        box-shadow: none;
        order: 1;
      }
      html:not(.menu-ready) .menu-button { display: none; }
      .menu-ready .nav-links.open { max-height: calc(100dvh - 72px); overflow-y: auto; }
    }