    :root {
      --river: #071712;
      --river-deep: #04100c;
      --river-soft: #10281f;
      --river-lift: #17382c;
      --sun: #f36b21;
      --sun-hover: #ff8240;
      --sun-light: #ffc47c;
      --foam: #f5f8f2;
      --mist: #c5d1c9;
      --line: rgba(245, 248, 242, .16);
      --focus: #ffd18d;
      --max: 1180px;
      --header: 76px;
      --font-display: Charter, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
      --font-body: "Avenir Next", Avenir, "Segoe UI", sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html {
      scroll-behavior: smooth;
      scroll-padding-top: calc(var(--header) + env(safe-area-inset-top, 0px) + 18px);
      -webkit-text-size-adjust: 100%;
      text-size-adjust: 100%;
    }
    body {
      margin: 0;
      color: var(--foam);
      background: var(--river);
      font-family: var(--font-body);
      font-kerning: normal;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    body.menu-open { overflow: hidden; }
    img { display: block; max-width: 100%; }
    a { color: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    :focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
    .skip-link {
      position: fixed; top: 10px; left: 10px; z-index: 1000;
      padding: 10px 14px; color: var(--river-deep); background: var(--focus);
      transform: translateY(-150%); transition: transform .2s ease;
    }
    .skip-link:focus { transform: translateY(0); }
    .wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
    .section { padding: clamp(72px, 10vw, 132px) 0; }
    .section-compact { padding: clamp(52px, 7vw, 88px) 0; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 9px;
      margin: 0 0 18px; color: var(--sun-light); font-size: .78rem;
      font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
    }
    .eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--sun); }
    h1, h2, h3 {
      margin: 0; font-family: var(--font-display);
      font-weight: 700; line-height: 1.02; text-wrap: balance;
    }
    h1 { max-width: 940px; font-size: clamp(3.25rem, 8.4vw, 5.8rem); letter-spacing: -.035em; }
    h2 { max-width: 820px; font-size: clamp(2.45rem, 5.4vw, 4.5rem); letter-spacing: -.025em; }
    h3 { font-size: clamp(1.55rem, 2.7vw, 2.25rem); letter-spacing: -.015em; }
    p { margin: 0; text-wrap: pretty; }
    .lead { max-width: 680px; color: #e1e8e2; font-size: clamp(1.08rem, 1.8vw, 1.3rem); line-height: 1.7; }
    .muted { color: var(--mist); }
    .btn {
      min-height: 52px; display: inline-flex; align-items: center; justify-content: center;
      gap: 10px; padding: 13px 20px; border: 1px solid var(--line); border-radius: 8px;
      color: var(--foam); background: transparent; font-weight: 800; text-decoration: none;
      transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    }
    .btn:hover { border-color: var(--foam); transform: translateY(-2px); }
    .btn-primary { color: #1b0b03; background: var(--sun); border-color: var(--sun); }
    .btn-primary:hover { color: #140803; background: var(--sun-hover); border-color: var(--sun-hover); }
    .btn-arrow::after { content: "→"; font-size: 1.2em; }
    .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

    .topbar {
      position: sticky; top: 0; z-index: 100;
      height: calc(var(--header) + env(safe-area-inset-top, 0px));
      background: rgba(4, 16, 12, .96); border-bottom: 1px solid var(--line);
    }
    .nav { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: env(safe-area-inset-top, 0px); }
    .logo { flex: 0 0 auto; text-decoration: none; }
    .logo img { width: 176px; height: auto; }
    .nav-links { display: flex; align-items: center; gap: clamp(16px, 2.3vw, 30px); }
    .nav-links a { color: #dce5de; font-size: .92rem; font-weight: 700; text-decoration: none; }
    .nav-links a:hover { color: var(--sun-light); }
    .menu-toggle {
      display: none; width: 48px; height: 48px; padding: 0; border: 1px solid var(--line);
      border-radius: 8px; color: var(--foam); background: transparent; font: inherit; font-weight: 800;
    }

    .hero {
      position: relative; min-height: calc(100svh - var(--header)); display: grid; align-items: end;
      isolation: isolate; overflow: hidden;
    }
    .hero-media { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; }
    .hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 46%; }
    .hero::after {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(90deg, rgba(4,16,12,.96) 0%, rgba(4,16,12,.78) 48%, rgba(4,16,12,.2) 78%),
                  linear-gradient(0deg, rgba(4,16,12,.92) 0%, transparent 58%);
    }
    .hero-copy { padding: clamp(72px, 10vw, 126px) 0 clamp(56px, 8vw, 96px); }
    .hero h1 span { display: block; color: var(--sun-light); }
    .hero .lead { margin-top: 24px; }
    .hero-note { margin-top: 22px; color: #d4dfd6; font-size: .92rem; }
    .hero-note strong { color: #fff; }

    .trust { background: var(--foam); color: var(--river-deep); }
    .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
    .trust-item { padding: 28px clamp(18px, 3vw, 34px); border-right: 1px solid rgba(7,23,18,.18); }
    .trust-item:last-child { border-right: 0; }
    .trust-item strong { display: block; font-family: var(--font-display); font-size: 1.7rem; line-height: 1; }
    .trust-item span { display: block; margin-top: 7px; color: #365047; font-size: .9rem; }

    .intro-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(40px, 8vw, 108px); align-items: center; }
    .portrait { position: relative; min-height: 650px; overflow: hidden; border-radius: 12px; }
    .portrait img { position: absolute; width: 100%; height: 100%; object-fit: cover; }
    .portrait::after { content: "Rio Paraguai · Porto Murtinho"; position: absolute; right: 0; bottom: 0; padding: 12px 16px; color: var(--river-deep); background: var(--sun-light); font-size: .78rem; font-weight: 800; }
    .intro-copy h2 { margin-bottom: 28px; }
    .intro-copy > p { max-width: 640px; color: var(--mist); font-size: 1.08rem; }
    .principles { display: grid; gap: 0; margin-top: 38px; }
    .principle { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 0; border-top: 1px solid var(--line); }
    .principle b { color: var(--sun-light); font-size: .82rem; }
    .principle strong { display: block; margin-bottom: 4px; font-size: 1.05rem; }
    .principle span { color: var(--mist); font-size: .94rem; }

    .profiles { background: var(--river-deep); }
    .section-heading { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 46px; }
    .section-heading > p { max-width: 450px; color: var(--mist); }
    .profile-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 16px; }
    .profile {
      position: relative; min-height: 480px; display: flex; align-items: flex-end; overflow: hidden;
      border-radius: 12px; border: 1px solid var(--line); isolation: isolate;
    }
    .profile img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .45s cubic-bezier(.22,1,.36,1); }
    .profile::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(4,16,12,.98), rgba(4,16,12,.08) 70%); }
    .profile:hover img { transform: scale(1.025); }
    .profile-copy { padding: 28px; }
    .profile-copy p { margin: 12px 0 20px; color: #dce6de; }
    .text-link { color: var(--sun-light); font-weight: 800; text-underline-offset: 5px; }

    .boats { background: #0b2019; }
    .boat-list { display: grid; gap: 22px; }
    .boat {
      display: grid; grid-template-columns: 1.05fr .95fr; min-height: 520px;
      overflow: hidden; border-radius: 12px; background: var(--river-soft);
    }
    .boat:nth-child(even) .boat-photo { order: 2; }
    .boat-photo img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; }
    .boat-content { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 5vw, 66px); }
    .boat-label { color: var(--sun-light); font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    .boat-content h3 { margin-top: 9px; font-size: clamp(2.5rem, 5vw, 4rem); font-style: italic; }
    .boat-content > p { margin-top: 18px; color: var(--mist); }
    .check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 18px; margin: 28px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); list-style: none; }
    .check-list li { position: relative; padding-left: 21px; color: #dbe5dd; font-size: .9rem; }
    .check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--sun-light); font-weight: 900; }

    .experience-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(38px, 7vw, 92px); align-items: start; }
    .sticky-copy { position: sticky; top: calc(var(--header) + 32px); }
    .sticky-copy p { max-width: 510px; margin-top: 24px; color: var(--mist); font-size: 1.05rem; }
    .day { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 30px 0; border-top: 1px solid var(--line); }
    .day:first-child { border-top-color: var(--sun); }
    .day-time { color: var(--sun-light); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    .day h3 { font-size: 1.55rem; }
    .day p { margin-top: 9px; color: var(--mist); }
    .wide-photo { margin-top: 34px; height: clamp(340px, 48vw, 620px); overflow: hidden; border-radius: 12px; }
    .wide-photo img { width: 100%; height: 100%; object-fit: cover; }

    .packages { background: var(--foam); color: var(--river-deep); }
    .packages .eyebrow { color: #a74412; }
    .packages .section-heading > p { color: #425a51; }
    .package-list { border-top: 2px solid var(--river-deep); }
    .package {
      display: grid; grid-template-columns: 48px minmax(180px, .7fr) 1.3fr auto;
      gap: 24px; align-items: center; padding: 28px 0; border-bottom: 1px solid rgba(7,23,18,.24);
    }
    .package-number { color: #5a7067; font-size: .82rem; font-weight: 800; }
    .package h3 { font-size: clamp(1.6rem, 2.5vw, 2.15rem); }
    .package p { max-width: 560px; color: #40584f; }
    .packages .text-link { color: #9d3d0e; white-space: nowrap; }
    .availability { margin-top: 28px; padding: 18px 22px; color: #203a30; background: #dfe9e1; border-radius: 8px; }
    .availability strong { color: #7f2e08; }

    .proof-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(42px, 8vw, 100px); align-items: center; }
    .mosaic { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .mosaic img { width: 100%; height: 260px; object-fit: cover; border-radius: 10px; }
    .mosaic img:first-child { grid-column: 1 / -1; height: 330px; }
    .proof-copy > p { margin-top: 24px; color: var(--mist); }
    .quote { margin-top: 34px; padding: 26px 0; border-top: 1px solid var(--sun); border-bottom: 1px solid var(--line); }
    .quote blockquote { margin: 0; font-size: clamp(1.35rem, 2.6vw, 2rem); line-height: 1.35; text-wrap: pretty; }
    .quote cite { display: block; margin-top: 16px; color: var(--sun-light); font-style: normal; font-weight: 800; }
    .quote-nav { display: flex; gap: 8px; margin-top: 14px; }
    .quote-nav button { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px; color: var(--foam); background: transparent; cursor: pointer; }

    .faq { background: var(--river-deep); }
    .faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(40px, 9vw, 120px); }
    .faq-intro p { max-width: 390px; margin-top: 22px; color: var(--mist); }
    details { border-top: 1px solid var(--line); }
    details:last-child { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 24px 50px 24px 0; font-size: 1.08rem; font-weight: 800; cursor: pointer; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 5px; top: 18px; color: var(--sun-light); font-size: 1.7rem; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 690px; padding: 0 50px 24px 0; color: var(--mist); }

    .final-cta { position: relative; isolation: isolate; overflow: hidden; text-align: center; }
    .final-cta::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url("optimized/pantanal-onca-960.jpg") center 48% / cover no-repeat; }
    .final-cta::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(4,16,12,.82); }
    .final-cta h2 { max-width: 900px; margin-inline: auto; }
    .final-cta p { max-width: 650px; margin: 24px auto 0; color: #e1e9e3; font-size: 1.08rem; }
    .final-cta .actions { justify-content: center; }

    footer { padding: 42px 0 calc(28px + env(safe-area-inset-bottom, 0px)); background: #020a07; border-top: 1px solid var(--line); }
    .footer-top { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: end; }
    .footer-logo { width: 220px; }
    .footer-contact { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 18px; color: var(--mist); font-size: .92rem; }
    .footer-contact a { text-underline-offset: 4px; }
    .footer-nav { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
    .footer-nav a { color: var(--mist); font-size: .88rem; }
    .copyright { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: #91a298; font-size: .78rem; }

    .whatsapp {
      position: fixed; right: max(18px, env(safe-area-inset-right, 0px)); bottom: max(18px, env(safe-area-inset-bottom, 0px)); z-index: 90;
      min-height: 52px; display: inline-flex; align-items: center; gap: 9px; padding: 13px 17px;
      border-radius: 999px; color: #06210f; background: #48db72; font-weight: 900; text-decoration: none;
      box-shadow: 0 6px 8px rgba(0,0,0,.22);
    }
    .whatsapp svg { width: 21px; height: 21px; fill: currentColor; }

    @media (max-width: 960px) {
      .nav-links { display: none; position: fixed; inset: calc(var(--header) + env(safe-area-inset-top, 0px)) 0 0; padding: 34px max(20px, env(safe-area-inset-right, 0px)) max(34px, env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px)); flex-direction: column; align-items: stretch; background: var(--river-deep); }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 13px 8px; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
      .nav-links .btn { margin-top: 12px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .trust-grid { grid-template-columns: 1fr 1fr; }
      .trust-item:nth-child(2) { border-right: 0; }
      .trust-item:nth-child(-n+2) { border-bottom: 1px solid rgba(7,23,18,.18); }
      .intro-grid, .experience-layout, .proof-grid, .faq-grid { grid-template-columns: 1fr; }
      .portrait { min-height: 560px; }
      .profile-grid { grid-template-columns: 1fr 1fr; }
      .profile:first-child { grid-column: 1 / -1; min-height: 520px; }
      .profile { min-height: 420px; }
      .sticky-copy { position: static; }
      .boat { grid-template-columns: 1fr; }
      .boat:nth-child(even) .boat-photo { order: 0; }
      .boat-photo img { min-height: 390px; }
      .package { grid-template-columns: 38px 1fr auto; }
      .package p { grid-column: 2 / -1; }
    }

    @media (max-width: 640px) {
      :root { --header: 68px; }
      .wrap { width: min(calc(100% - 28px), var(--max)); }
      .logo img { width: 146px; }
      .hero { min-height: calc(92svh - var(--header)); }
      .hero-media img { object-position: 62% center; }
      .hero::after { background: linear-gradient(90deg, rgba(4,16,12,.93), rgba(4,16,12,.5)), linear-gradient(0deg, rgba(4,16,12,.96), transparent 70%); }
      h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
      .actions { flex-direction: column; }
      .actions .btn { width: 100%; }
      .hero-note { max-width: 280px; }
      .trust-item { padding: 22px 16px; }
      .trust-item strong { font-size: 1.35rem; }
      .portrait { min-height: 430px; }
      .section-heading { display: block; }
      .section-heading > p { margin-top: 20px; }
      .profile-grid { grid-template-columns: 1fr; }
      .profile:first-child { grid-column: auto; }
      .profile, .profile:first-child { min-height: 430px; }
      .boat-photo img { min-height: 300px; }
      .check-list { grid-template-columns: 1fr; }
      .day { grid-template-columns: 1fr; gap: 8px; }
      .package { grid-template-columns: 30px 1fr; gap: 12px; }
      .package p, .package .text-link { grid-column: 2; }
      .package .text-link { justify-self: start; }
      .mosaic img, .mosaic img:first-child { height: 220px; }
      .footer-top { grid-template-columns: 1fr; }
      .footer-nav { justify-content: flex-start; }
      .whatsapp { width: 54px; height: 54px; padding: 0; justify-content: center; }
      .whatsapp span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
    }

    @media (pointer: coarse) {
      .nav-links > a:not(.btn), .text-link, summary { min-height: 48px; display: flex; align-items: center; }
      .quote-nav button { width: 48px; height: 48px; }
      .btn { min-height: 56px; }
    }

    @media (hover: hover) {
      .profile:hover img { transform: scale(1.025); }
    }

    @media (hover: none) {
      .btn:active { transform: scale(.98); }
      .profile:hover img { transform: none; }
    }

    @media (orientation: landscape) and (max-height: 600px) {
      .hero { min-height: auto; }
      .hero-copy { padding-top: 48px; padding-bottom: 44px; }
      .hero h1 { max-width: 780px; font-size: clamp(3rem, 9vw, 4.5rem); }
    }
