:root {
  --kraft: #c9a577;
  --alt: #f5eee2;
  --cream: #fefbf4;
  --ink: #3d1c0b;
  --ink-soft: #6b5040;
  --green: #254c39;
  --green-hover: #3d1c0b;
  --on-green: #fefbf4;
  --accent: #254c39;
  --line: #e8dfcf;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(61, 28, 11, 0.12);
  --surface: #fff;
  --topbar: rgba(254, 251, 244, 0.92);
  --footer-bg: #3d1c0b;
  --footer-text: #fefbf4;
  --stripe: #d6b78d;
  --placeholder-bg: rgba(254, 251, 244, 0.85);
  --title: "Poppins", system-ui, -apple-system, sans-serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; left: 16px; top: -60px; z-index: 20; background: var(--green); color: var(--on-green); padding: 10px 16px; border-radius: 8px; }
.skip:focus { top: 12px; }

h1, h2, h3 { font-family: var(--title); font-weight: 800; line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h3 { font-weight: 700; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* Botões */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--green);
  color: var(--on-green);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--green);
  transition: transform 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-2px); background: var(--green-hover); border-color: var(--green-hover); }
.btn--ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--ghost:hover { color: var(--on-green); }
.btn--small { padding: 8px 18px; font-size: 0.9rem; }
.btn--light { background: var(--on-green); color: var(--green); border-color: var(--on-green); }
.btn--light:hover { background: #fff; color: var(--green); border-color: #fff; }

/* Topo */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--topbar);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { font-family: var(--title); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 24px; }
.nav a { color: var(--ink-soft); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--ink); }
.topbar__actions { display: flex; align-items: center; gap: 10px; }

/* Hero */
.hero { padding: 64px 0 80px; }
.hero__inner { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 600; color: var(--accent); margin: 0 0 12px; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 34em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero__proof { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 0.92rem; color: var(--ink-soft); }
.hero__proof li::before { content: "★ "; color: var(--accent); }
.hero__img { margin: 0; }
.hero__img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: auto; }

/* Seções */
.section { padding: 80px 0; }
.section--alt { background: var(--alt); }
.section__title { font-size: clamp(1.8rem, 3.5vw, 2.5rem); text-align: center; }
.section__lead { text-align: center; color: var(--ink-soft); max-width: 40em; margin: 0 auto 40px; }

.section--tight { padding: 0 0 80px; }

/* Galeria */
.gallery { display: grid; grid-template-columns: 0.75fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px; }
.gallery figure { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery__tall { grid-row: span 2; }

/* Passos */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.step__num {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--green); color: var(--on-green);
  font-family: var(--title); font-weight: 800; margin-bottom: 14px;
}
.step p { color: var(--ink-soft); margin: 0; }

/* Modelos */
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.model { background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.model img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; height: auto; }
.model__body { padding: 20px 22px 24px; }
.model__body p { color: var(--ink-soft); margin: 0; }
.model__placeholder {
  aspect-ratio: 1 / 1; display: grid; place-items: center;
  background: repeating-linear-gradient(45deg, var(--kraft) 0 2px, var(--stripe) 2px 9px);
}
.model__placeholder span {
  font-family: var(--title); font-size: 1.6rem; font-weight: 800; text-align: center;
  color: var(--accent); border: 3px dashed var(--accent); border-radius: var(--radius);
  padding: 28px 32px; background: var(--placeholder-bg);
}

.segments { margin: 48px auto 0; max-width: 640px; text-align: center; }
.segments img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: auto; }
.segments figcaption { margin-top: 14px; color: var(--ink-soft); }

/* Acrílico */
.acrylic { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.acrylic__img { margin: 0; }
.acrylic__img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: auto; }
.acrylic .section__title { text-align: left; }
.acrylic__text > p:not(.eyebrow) { color: var(--ink-soft); }
.acrylic__colors { list-style: none; padding: 0; margin: 20px 0; display: flex; gap: 20px; font-weight: 600; }
.acrylic__colors li { display: flex; align-items: center; gap: 8px; }
.swatch { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--line); }
.swatch--black { background: #111; }
.swatch--blue { background: #1f4fd8; }
.acrylic__list { list-style: none; padding: 0; margin: 0 0 28px; }
.acrylic__list li { padding: 6px 0; border-bottom: 1px dashed var(--line); }
.acrylic__list li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* Por quê */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.why .section__title { text-align: left; }
.why p { color: var(--ink-soft); }
.why__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.why__list li { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: 16px 20px; display: grid; }
.why__list span { color: var(--ink-soft); font-size: 0.95rem; }

/* Preços */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan { background: var(--surface); border-radius: var(--radius); padding: 32px 28px; border: 1px solid var(--line); display: flex; flex-direction: column; position: relative; }
.plan--featured { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.plan__tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: var(--on-green); font-size: 0.78rem; font-weight: 600;
  padding: 4px 14px; border-radius: 999px; margin: 0; white-space: nowrap;
}
.plan__price { font-family: var(--title); font-size: 2.6rem; font-weight: 800; margin: 0; line-height: 1; }
.plan__price span { font-size: 1.1rem; vertical-align: top; }
.plan__note { color: var(--ink-soft); margin: 6px 0 20px; font-size: 0.92rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 28px; flex: 1; }
.plan li { padding: 6px 0; border-bottom: 1px dashed var(--line); }
.plan li::before { content: "✓ "; color: var(--accent); font-weight: 700; }
.plan .btn { text-align: center; }
.plans__b2b { text-align: center; margin-top: 32px; color: var(--ink-soft); }
.plans__group { text-align: center; font-size: 1.5rem; margin: 56px 0 24px; }
.plans__group span { display: block; font-family: var(--sans); font-size: 0.9rem; font-weight: 500; color: var(--ink-soft); margin-top: 6px; }
.plans--duo { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin-inline: auto; }

/* FAQ */
.faq { max-width: 760px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 18px 22px; font-weight: 600; list-style: none; position: relative; padding-right: 48px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0; padding: 0 22px 20px; color: var(--ink-soft); }

/* CTA final */
.cta { background: var(--green); color: var(--on-green); text-align: center; }
.cta :focus-visible { outline-color: var(--on-green); }
.cta__inner h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.cta__inner p { color: var(--on-green); opacity: 0.85; margin: 0 0 28px; }

/* Rodapé */
.footer { background: var(--footer-bg); color: var(--footer-text); padding: 28px 0; font-size: 0.9rem; }
.footer__inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 0; }
.footer a { color: inherit; }
.footer__small { opacity: 0.6; font-size: 0.8rem; }

/* Responsivo */
@media (max-width: 900px) {
  .hero__inner, .why, .acrylic { grid-template-columns: 1fr; }
  .acrylic { max-width: 520px; margin-inline: auto; gap: 32px; }
  .hero__img { order: -1; }
  .steps, .models, .plans, .plans--duo { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .gallery__tall { grid-row: auto; grid-column: span 2; aspect-ratio: 4 / 5; }
  .plans { max-width: 420px; margin-inline: auto; gap: 32px; }
  .models { max-width: 420px; margin-inline: auto; }
  .topbar__inner { flex-wrap: wrap; height: auto; padding: 12px 0; row-gap: 8px; }
  .nav { order: 3; width: 100%; gap: 18px; overflow-x: auto; font-size: 0.9rem; padding-bottom: 2px; }
  .nav a { white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}