/* ==========================================================================
   Landing page · Ana Souza (nutricionista)
   --------------------------------------------------------------------------
   Modelo de demonstração da Zanbo Studio.
   Para adaptar a um cliente, altere só as variáveis do bloco :root abaixo
   (cores e fontes). O restante do arquivo usa essas variáveis.
   ========================================================================== */

/* Tokens do tema ----------------------------------------------------------- */
:root {
  --cor-primaria: #2f7d5b;
  --cor-primaria-escura: #23634a;
  --cor-destaque: #f4b860;
  --cor-fundo: #ffffff;
  --cor-fundo-alt: #f3f8f4;
  --cor-texto: #1f2d27;
  --cor-suave: #5b6b63;
  --fonte: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--fonte); color: var(--cor-texto); background: var(--cor-fundo); line-height: 1.6; }
a { color: var(--cor-primaria); }
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

.ph {
  background: linear-gradient(135deg, #cfe5d8, #9fc9b2);
  color: #2f5a46; font-weight: 500;
  display: grid; place-items: center; text-align: center;
  border-radius: 20px;
}

.btn {
  display: inline-block; padding: 15px 26px; border-radius: 999px;
  background: var(--cor-primaria); color: #fff; font-weight: 700; text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--cor-primaria-escura); transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; font-size: .9rem; }
.btn-light { background: #fff; color: var(--cor-primaria-escura); }
.btn-light:hover { background: #f1f1f1; }

.topbar { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid #e6eee9; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; font-size: 1.1rem; }
.logo small { display: block; font-weight: 400; font-size: .75rem; color: var(--cor-suave); line-height: 1; }

.hero { padding: 64px 0 72px; background: linear-gradient(180deg, var(--cor-fundo-alt), #fff); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--cor-primaria); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); line-height: 1.12; margin: 12px 0 16px; }
.lead { font-size: 1.15rem; color: var(--cor-suave); max-width: 520px; }
.hero-actions { display: flex; align-items: center; gap: 20px; margin: 28px 0 16px; flex-wrap: wrap; }
.link { font-weight: 700; text-decoration: none; }
.trust { font-size: .9rem; color: var(--cor-suave); }
.hero-img { aspect-ratio: 4 / 5; }

.section { padding: 72px 0; }
.section.alt { background: var(--cor-fundo-alt); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 28px; text-align: center; }

.checks { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 860px; margin: 0 auto; }
.checks li { background: var(--cor-fundo-alt); padding: 18px 20px 18px 52px; border-radius: 14px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 20px; top: 17px; color: #fff; background: var(--cor-primaria); width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; }

.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps li { background: #fff; padding: 28px; border-radius: 18px; box-shadow: 0 6px 20px rgba(0,0,0,.05); }
.steps span { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--cor-destaque); font-weight: 700; margin-bottom: 14px; }
.steps h3 { margin-bottom: 8px; }
.steps p { color: var(--cor-suave); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
blockquote { background: var(--cor-fundo-alt); border-radius: 18px; padding: 24px; font-style: italic; }
cite { display: block; margin-top: 12px; font-style: normal; font-weight: 700; font-size: .9rem; }

.about { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; }
.about h2 { text-align: left; }
.about p { color: var(--cor-suave); font-size: 1.05rem; }
.about-img { aspect-ratio: 1; }

details { border-bottom: 1px solid #e3ebe6; padding: 18px 0; }
summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; }
summary::after { content: "+"; color: var(--cor-primaria); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { margin-top: 10px; color: var(--cor-suave); }

.cta { background: var(--cor-primaria); color: #fff; text-align: center; padding: 80px 0; }
.cta p { margin: -12px 0 28px; opacity: .9; font-size: 1.1rem; }

.footer { padding: 28px 0; text-align: center; color: var(--cor-suave); font-size: .9rem; }

.wa-float {
  position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; font-size: 1.6rem; text-decoration: none;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

@media (max-width: 820px) {
  .hero-grid, .about { grid-template-columns: 1fr; }
  .hero-img { aspect-ratio: 16 / 11; order: -1; }
  .about-img { width: 100%; max-width: 320px; margin: 0 auto; }
  .about h2 { text-align: center; }
  .checks, .steps, .cards { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}