:root {
  --ink: #102635;
  --teal: #006e67;
  --mint: #dff6f3;
  --muted: #49616d;
  --cream: #f4faf9;
  --line: #cbdfe0;
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: #fff; color: var(--ink); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.65; }
[hidden] { display: none !important; }
a { color: var(--teal); text-underline-offset: 4px; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #b65c13; outline-offset: 5px; }
.wrap { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; background: #fff; padding: 12px; border: 2px solid var(--teal); }
.skip-link:focus { top: 12px; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 86px; border-bottom: 1px solid var(--line); padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; letter-spacing: -.4px; color: var(--ink); text-decoration: none; line-height: 1.3; }
.logo { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 36px; border-radius: 11px; background: #008f86; color: white; }
nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 600; }
.hero { background: radial-gradient(ellipse at 85% 25%, #ccece5 0, transparent 48%), linear-gradient(115deg, #f2faf7, #fff); padding: 76px 0 80px; border-bottom: 1px solid #e0eeea; }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.split > *, .sample-panel > *, .offer-panel > * { min-width: 0; }
h1 { font-size: clamp(36px, 4.5vw, 57px); line-height: 1.1; letter-spacing: -1.8px; margin: 16px 0 24px; }
h1 span { color: var(--teal); }
h2 { font-size: clamp(27px, 3vw, 36px); line-height: 1.2; letter-spacing: -.9px; margin: 12px 0 20px; }
h3 { font-size: 19px; line-height: 1.3; margin: 8px 0 14px; }
p { color: #3c5562; margin: 0 0 16px; }
.eyebrow { font-size: 11px; letter-spacing: 1.8px; color: var(--teal); font-weight: 800; }
.lead { font-size: 18px; max-width: 590px; }
.price { font-size: 35px; line-height: 1.3; font-weight: 800; color: var(--teal); margin: 24px 0 18px; }
.price span { display: block; font-size: 13px; font-weight: 500; color: var(--muted); margin-top: 7px; }
.actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cta { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 14px 23px; border: 1px solid transparent; border-radius: 12px; background: var(--teal); color: #fff; font-weight: 750; text-decoration: none; text-align: center; line-height: 1.4; box-shadow: 0 7px 22px #008f861c; }
.cta:hover { background: #00594f; }
.cta[aria-disabled="true"] { background: #e5ecec; color: #49616d; border-color: #c2d2d3; box-shadow: none; cursor: not-allowed; }
.secondary { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 14px; font-weight: 600; }
.muted { color: var(--muted); font-size: 13px; margin-top: 12px; }
.mock { position: relative; width: min(100% - 30px, 330px); min-height: 410px; margin: auto; padding: 30px; border: 1px solid #42636a; border-left: 9px solid #1d414c; border-radius: 6px 22px 22px 6px; background: linear-gradient(145deg, #183d49, #102635 70%); color: #fff; box-shadow: 10px 10px 0 -4px #fff, 17px 17px 0 -5px #a9c9c4, 22px 32px 45px #10263526; display: flex; flex-direction: column; justify-content: space-between; transform: rotate(3deg); }
.mock small { font-size: 11px; letter-spacing: 2px; color: #8ce0d6; }
.mock .mock-title { font-size: clamp(25px, 3vw, 33px); font-weight: 800; color: #fff; line-height: 1.16; letter-spacing: -1px; margin: 18px 0; }
.mock-title span { color: #8ce0d6; }
.mock p { color: #d6efed; }
.pills { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.pills span { border: 1px solid #6ebbb3; padding: 6px 9px; border-radius: 99px; font-size: 12px; }
.section { padding-block: 56px; }
.section-intro { max-width: 650px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.card { display: flex; flex-direction: column; border: 1px solid var(--line); padding: 30px; border-radius: var(--radius); background: linear-gradient(155deg, #fff 65%, #f0f9f6); }
.card-number { display: block; font-size: 38px; line-height: 1.2; font-weight: 800; color: var(--teal); margin-bottom: 22px; }
.card p { font-size: 15px; margin-bottom: 0; }
.note { font-size: 13px; color: var(--muted); margin-top: 20px; }
.tinted { background: var(--cream); border-block: 1px solid #e2eeee; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; list-style: none; counter-reset: steps; padding: 0; margin: 32px 0 0; }
.steps li { counter-increment: steps; }
.steps li::before { content: "0" counter(steps); display: block; color: var(--teal); font-size: 13px; font-weight: 800; margin-bottom: 12px; }
.steps p { font-size: 15px; }
.sample-panel { display: grid; grid-template-columns: 1.35fr .65fr; gap: 36px; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.sample-panel h2 { font-size: clamp(25px, 3vw, 31px); }
.sample-panel p:last-child { margin-bottom: 0; }
.sample-action { text-align: center; }
.offer { padding-top: 0; }
.offer-panel { display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: center; background: var(--ink); color: white; border-radius: var(--radius); padding: 42px; }
.offer-panel h2 { font-size: clamp(27px, 3vw, 34px); }
.offer-panel p, .offer-panel .muted, .offer-panel .price span { color: #c7dedf; }
.offer-panel .eyebrow { color: #8ce0d6; }
.offer-panel .price { color: white; margin-top: 0; }
.offer-panel .cta:not([aria-disabled]) { background: #92e3d9; color: var(--ink); }
.faq { max-width: 820px; padding-top: 0; }
details { border-bottom: 1px solid var(--line); }
summary { min-height: 56px; padding: 18px 4px; font-weight: 650; cursor: pointer; }
details p, details > a { margin: 0 4px 20px; }
.affiliate { border-top: 1px solid var(--line); padding-top: 32px; }
.affiliate h2 { font-size: 25px; }
.affiliate p { max-width: 780px; font-size: 14px; }
.site-footer { background: var(--ink); padding-block: 32px; font-size: 13px; }
.site-footer p { max-width: 820px; color: #c7dedf; }
.site-footer .brand { font-size: 17px; color: white; }
.site-footer a { color: #92e3d9; }
.site-footer .footer-note { margin-bottom: 0; }
.notice { background: #fff4d7; padding: 12px; border-radius: 9px; font-size: 14px; }
.policy { max-width: 820px; }
.policy h1 { font-size: clamp(32px, 5vw, 48px); }
.policy section { margin-block: 36px; }
address { font-style: normal; line-height: 1.8; color: #3c5562; margin-bottom: 16px; }
.site-footer address { color: #c7dedf; }
.policy h2 { font-size: 26px; }
@media (max-width: 800px) {
  .split { gap: 32px; }
  .mock { padding: 23px; }
  .cards { gap: 12px; }
  .card { padding: 20px; }
  .sample-panel, .offer-panel { gap: 28px; padding: 30px; }
}
@media (max-width: 650px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 18px 10px; }
  .brand { font-size: 15px; }
  nav { gap: 24px; font-size: 13px; }
  .hero { padding: 34px 0 44px; }
  .split, .cards, .steps, .sample-panel, .offer-panel { grid-template-columns: 1fr; }
  h1 { font-size: clamp(34px, 9vw, 48px); letter-spacing: -1.2px; }
  .lead { font-size: 16px; }
  .mock { max-width: 290px; min-height: 345px; margin: 20px auto 15px; box-shadow: 12px 15px 0 #abded8; }
  .mock .mock-title { font-size: 29px; }
  .section { padding-block: 40px; }
  .cards { gap: 14px; }
  .card-number { font-size: 34px; margin-bottom: 12px; }
  .steps { gap: 20px; }
  .steps p { margin-bottom: 0; }
  .sample-panel, .offer-panel { padding: 24px; }
  .sample-action { text-align: left; }
  .cta { width: 100%; }
  .offer, .faq { padding-top: 0; }
  .offer-action { border-top: 1px solid #536b78; padding-top: 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Refinamento visual sem fontes, bibliotecas ou imagens externas. */
.status-dot { display: inline-block; width: 7px; height: 7px; background: var(--teal); border-radius: 50%; margin-right: 5px; }
.hero-benefits { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 8px; font-size: 14px; color: #294b55; }
.hero-benefits li::before { content: '✓'; color: var(--teal); font-weight: 800; margin-right: 10px; }
.product-scene { position: relative; padding: 20px 0 0; }
.scene-label { font-size: 10px; font-weight: 800; letter-spacing: 2px; text-align: center; color: #416960; margin-bottom: 26px; }
.file-chip { position: relative; display: flex; gap: 12px; align-items: center; width: max-content; max-width: 100%; margin: 28px auto 0; padding: 16px 22px; background: #fff; border: 1px solid #d1e6e1; border-radius: 16px; box-shadow: 0 14px 35px #123e3610; }
.file-chip strong, .file-chip span:not(.file-icon) { display: block; }
.file-chip strong { font-size: 14px; }
.file-chip span:not(.file-icon) { font-size: 12px; color: var(--muted); }
.file-icon { display: grid; place-items: center; background: var(--mint); border-radius: 10px; width: 38px; height: 38px; color: var(--teal); font-size: 23px; flex-shrink: 0; }
.scene-note { text-align: center; font-size: 11px; color: var(--muted); margin: 14px 0 0; }
.card-label { color: var(--muted); letter-spacing: 1.3px; font-size: 10px; font-weight: 750; margin-bottom: 20px; }
.card-number { font-size: 52px; letter-spacing: -2px; }
.card-foot { font-size: 12px; color: var(--teal); font-weight: 650; border-top: 1px solid var(--line); padding-top: 16px; margin-top: auto; }
.card p { padding-bottom: 24px; }
.fit-section { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; border-top: 1px solid var(--line); padding-top: 48px; }
.expanded-guide { border-top: 1px solid var(--line); }
.guide-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.guide-grid article { background: var(--cream); border: 1px solid var(--line); border-radius: 16px; padding: 26px; }
.guide-grid p { font-size: 15px; margin-bottom: 0; }
.fit-section h2 { font-size: clamp(26px, 3vw, 34px); }
.fit-section > div:last-child { padding-top: 30px; }
.steps li { border-top: 2px solid #b7d9d2; padding-top: 18px; }
.sample-panel { background: linear-gradient(110deg, #edf8f3, #fff); border-color: #b8dace; }
.offer-panel { background: radial-gradient(ellipse at top right, #215950, transparent 65%), #102635; box-shadow: 0 20px 45px #1026350c; }
.purchase-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: -24px; margin-bottom: 64px; }
.purchase-facts strong { font-size: 14px; }
.purchase-facts p { font-size: 12px; margin: 8px 0 0; }
.faq h2 { margin-bottom: 28px; }
details[open] { background: #f5faf8; border-radius: 12px; padding-inline: 14px; }
@media (max-width: 650px) {
  .hero { padding-block: 34px 44px; }
  .product-scene { margin-top: 4px; }
  .scene-label { margin-bottom: 10px; }
  .mock { margin-top: 20px; }
  .file-chip { padding: 14px 16px; }
  .fit-section { grid-template-columns: 1fr; gap: 0; }
  .guide-heading, .guide-grid { grid-template-columns: 1fr; gap: 16px; }
  .fit-section > div:last-child { padding-top: 0; }
  .card { padding: 24px; }
  .card-number { font-size: 44px; }
  .purchase-facts { grid-template-columns: 1fr; gap: 20px; margin-top: -12px; margin-bottom: 40px; }
  .purchase-facts > div { border-left: 3px solid #b7d9d2; padding-left: 16px; }
}