/* ============================================================
   LOPES NUTRI — DESIGN SYSTEM GLOBAL (mobile-first)
   v2 — direção clínica premium
   Tokens centralizados: cor, espaço, tipografia, raios, sombras.
   Usado por todas as páginas. Evita duplicação.
   ============================================================ */

:root {
  /* ── COR ── */
  --bg:            #f6f5f1;   /* off-white quente */
  --bg-warm:       #efece4;   /* seção alternada */
  --surface:       #ffffff;
  --surface-2:     #f3f1ea;
  --ink:           #14201b;   /* texto principal (verde-quase-preto) */
  --ink-soft:      #38453f;
  --muted:         #5b665f;
  --faint:         #8c958e;
  --line:          #e3e0d6;
  --line-strong:   #d3cfc2;

  --evergreen:     #0c5a44;   /* primária — verde clínico profundo */
  --evergreen-700: #094434;
  --evergreen-900: #06281f;
  --sage:          #5f9c87;
  --sage-pale:     #e9f3ee;
  --sage-line:     #cbe4d8;

  --gold:          #b08433;   /* accent autoridade, uso discreto */
  --gold-pale:     #f6efe0;

  --danger:        #b23b2e;
  --danger-pale:   #fbecea;
  --success:       #0c5a44;
  --warn-bg:       #fbf6e9;
  --warn-line:     #ecdca6;
  --warn-text:     #6f561d;

  /* ── TIPOGRAFIA ── */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;

  /* ── ESPAÇO (escala 4px) ── */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px;
  --s-12: 48px; --s-16: 64px; --s-20: 80px; --s-24: 96px;

  /* ── RAIO ── */
  --r-xs: 8px; --r-sm: 12px; --r-md: 16px; --r-lg: 22px; --r-xl: 28px; --r-pill: 999px;

  /* ── SOMBRA (camadas suaves) ── */
  --shadow-xs: 0 1px 2px rgba(12,40,31,.05);
  --shadow-sm: 0 2px 10px rgba(12,40,31,.06);
  --shadow-md: 0 10px 30px rgba(12,40,31,.08);
  --shadow-lg: 0 24px 60px rgba(12,40,31,.12);
  --ring: 0 0 0 4px rgba(12,90,68,.16);

  /* ── LAYOUT ── */
  --container: 1140px;
  --container-narrow: 720px;
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1, h2, h3, h4 { font-weight: 600; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }
::selection { background: var(--sage-pale); color: var(--evergreen-900); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.container-narrow { width: min(100% - 40px, var(--container-narrow)); margin-inline: auto; }

/* ════════════ NAV ════════════ */
.topbar {
  position: sticky; top: 0; z-index: 999;
  background: rgba(246,245,241,.82);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 38px; height: 38px; border-radius: var(--r-sm); background: linear-gradient(150deg, var(--evergreen), var(--evergreen-900)); color: #fff; display: grid; place-items: center; font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; box-shadow: var(--shadow-sm); flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1rem; font-weight: 700; letter-spacing: -.02em; }
.brand-text span { font-size: .72rem; color: var(--muted); letter-spacing: .01em; }
.nav-links { display: flex; gap: var(--s-6); font-size: .92rem; font-weight: 500; color: var(--ink-soft); }
.nav-links a { position: relative; padding: 4px 0; transition: color .18s; }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--evergreen); border-radius: 2px; transition: width .22s ease; }
.nav-links a:hover { color: var(--evergreen); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; gap: var(--s-3); align-items: center; flex-shrink: 0; }

/* ════════════ BOTÕES ════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: var(--r-pill);
  font-family: inherit; font-size: .94rem; font-weight: 600; letter-spacing: -.01em;
  border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, box-shadow .22s ease, background .2s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--evergreen) 0%, var(--evergreen-700) 100%); color: #fff; box-shadow: 0 6px 18px rgba(12,90,68,.24); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(12,90,68,.3); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-secondary { background: var(--surface); border-color: var(--line-strong); color: var(--ink); }
.btn-secondary:hover { border-color: var(--evergreen); color: var(--evergreen); background: #fff; }
.btn-ghost { background: transparent; color: var(--ink-soft); }
.btn-ghost:hover { color: var(--evergreen); background: var(--sage-pale); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ════════════ SEÇÕES ════════════ */
.section { padding: var(--s-20) 0; }
.section-sm { padding: var(--s-12) 0; }
.section-alt { background: var(--bg-warm); }
.section-surface { background: var(--surface); }
.section-dark { background: radial-gradient(120% 140% at 0% 0%, var(--evergreen-700) 0%, var(--evergreen-900) 70%); color: #fff; }
.section-head { margin-bottom: var(--s-12); max-width: 720px; }
.section-head.centered { text-align: center; margin-inline: auto; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--evergreen); font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; margin-bottom: var(--s-4); }
.kicker::before { content: ''; width: 22px; height: 1.5px; background: var(--gold); display: inline-block; }
.section-dark .kicker { color: var(--sage); }
.section-title { font-family: var(--font-serif); font-size: clamp(1.85rem, 4vw, 2.9rem); line-height: 1.08; letter-spacing: -.02em; font-weight: 500; color: var(--ink); }
.section-dark .section-title { color: #fff; }
.section-text { color: var(--muted); font-size: 1.04rem; line-height: 1.7; margin-top: var(--s-4); max-width: 60ch; }
.section-head.centered .section-text { margin-inline: auto; }
.section-dark .section-text { color: rgba(255,255,255,.7); }

/* ════════════ HERO ════════════ */
.hero { position: relative; padding: var(--s-10) 0 var(--s-12); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-8); align-items: center; }
.hero-copy { max-width: 600px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: var(--r-pill); background: var(--surface); color: var(--evergreen-700); border: 1px solid var(--sage-line); font-size: .78rem; font-weight: 600; letter-spacing: .01em; margin-bottom: var(--s-5); box-shadow: var(--shadow-xs); }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sage); box-shadow: 0 0 0 3px var(--sage-pale); }
.hero h1 { font-family: var(--font-serif); font-size: clamp(2.1rem, 6.4vw, 3.5rem); line-height: 1.06; letter-spacing: -.025em; font-weight: 500; color: var(--ink); margin-bottom: var(--s-5); }
.hero h1 em { font-style: italic; color: var(--evergreen); }
.hero-sub { font-size: 1.1rem; color: var(--ink-soft); line-height: 1.62; margin-bottom: var(--s-6); }
.hero-points { display: grid; gap: var(--s-3); margin-bottom: var(--s-8); }
.hero-points li { display: flex; align-items: flex-start; gap: 12px; color: var(--ink-soft); font-size: 1rem; }
.hero-points .ck { width: 24px; height: 24px; border-radius: 50%; background: var(--sage-pale); color: var(--evergreen); display: grid; place-items: center; font-size: .72rem; flex-shrink: 0; margin-top: 2px; }
.cta-row { display: flex; flex-direction: column; gap: var(--s-3); }
.hero-trust { margin-top: var(--s-6); padding-top: var(--s-5); border-top: 1px solid var(--line); display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .88rem; }
.hero-trust i { color: var(--gold); }

/* media com moldura premium */
.hero-media { position: relative; }
.hero-media .frame { border-radius: var(--r-xl); overflow: hidden; aspect-ratio: 4/5; background: linear-gradient(160deg, var(--sage-pale), #dce9e2); box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.6); }
.hero-media .frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-badge { position: absolute; left: -10px; bottom: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px 16px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 11px; max-width: 230px; }
.hero-badge .hb-ic { width: 38px; height: 38px; border-radius: 10px; background: var(--evergreen); color: #fff; display: grid; place-items: center; flex-shrink: 0; }
.hero-badge strong { font-size: .86rem; display: block; line-height: 1.2; }
.hero-badge span { font-size: .76rem; color: var(--muted); }

/* ════════════ FAIXA DE PROVA ════════════ */
.proof-strip { display: flex; flex-wrap: wrap; gap: var(--s-3); justify-content: center; }
.proof-pill { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-pill); padding: 10px 18px; font-size: .86rem; font-weight: 500; color: var(--ink-soft); box-shadow: var(--shadow-xs); display: inline-flex; align-items: center; gap: 9px; }
.proof-pill i { color: var(--evergreen); }

/* ════════════ CARDS ════════════ */
.cards-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--s-8) var(--s-6); box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s; }
.card.is-link:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--sage-line); }
.card .c-icon { width: 50px; height: 50px; border-radius: var(--r-sm); background: var(--sage-pale); color: var(--evergreen); display: grid; place-items: center; font-size: 1.25rem; margin-bottom: var(--s-5); }
.card h3, .card strong { display: block; font-size: 1.08rem; font-weight: 600; line-height: 1.35; margin-bottom: var(--s-3); color: var(--ink); letter-spacing: -.01em; }
.card p { color: var(--muted); font-size: .96rem; line-height: 1.62; }
.card .c-more { display: inline-flex; align-items: center; gap: 7px; margin-top: var(--s-4); color: var(--evergreen); font-weight: 600; font-size: .9rem; }
.card.is-link:hover .c-more i { transform: translateX(3px); }
.card .c-more i { transition: transform .2s; }

/* preço */
.price-card { display: flex; flex-direction: column; }
.price-card.featured { border: 1.5px solid var(--evergreen); box-shadow: var(--shadow-md); position: relative; }
.price-tag-top { position: absolute; top: -12px; left: var(--s-6); background: var(--evergreen); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 5px 13px; border-radius: var(--r-pill); }
.price-name { font-size: 1.1rem; font-weight: 600; color: var(--ink); }
.price-amount { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 500; letter-spacing: -.02em; color: var(--evergreen-900); margin: var(--s-2) 0 var(--s-1); }
.price-amount small { font-family: var(--font-sans); font-size: .9rem; color: var(--muted); font-weight: 400; }
.price-card ul { display: grid; gap: var(--s-3); margin: var(--s-5) 0; }
.price-card li { display: flex; align-items: flex-start; gap: 11px; color: var(--ink-soft); font-size: .95rem; }
.price-card li i { color: var(--evergreen); margin-top: 4px; flex-shrink: 0; font-size: .82rem; }
.price-card .btn { margin-top: auto; }

/* ════════════ FIT (para quem é / não é) ════════════ */
.fit-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
.fit-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--s-8) var(--s-6); box-shadow: var(--shadow-sm); }
.fit-card.is-for { border-top: 3px solid var(--evergreen); }
.fit-card.not-for { border-top: 3px solid var(--danger); }
.fit-card h3 { display: flex; align-items: center; gap: 10px; font-size: 1.12rem; font-weight: 600; margin-bottom: var(--s-5); }
.fit-card.is-for h3 { color: var(--evergreen-700); }
.fit-card.not-for h3 { color: var(--danger); }
.fit-card li { display: flex; gap: 12px; align-items: flex-start; font-size: .97rem; color: var(--ink-soft); margin-bottom: var(--s-4); line-height: 1.55; }
.fit-card li:last-child { margin-bottom: 0; }
.fit-card.is-for li i { color: var(--evergreen); margin-top: 4px; flex-shrink: 0; }
.fit-card.not-for li i { color: var(--danger); margin-top: 4px; flex-shrink: 0; }

/* ════════════ MÉTODO (passos) ════════════ */
.steps-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
.step { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-lg); padding: var(--s-8) var(--s-6); backdrop-filter: blur(2px); }
.step .num { width: 46px; height: 46px; border-radius: var(--r-pill); background: rgba(255,255,255,.1); color: #fff; font-family: var(--font-serif); font-size: 1.2rem; font-weight: 500; display: grid; place-items: center; margin-bottom: var(--s-5); border: 1px solid rgba(255,255,255,.22); }
.step h3 { font-size: 1.05rem; color: #fff; margin-bottom: var(--s-3); font-weight: 600; }
.step p { color: rgba(255,255,255,.66); font-size: .94rem; line-height: 1.6; }

/* ════════════ FAQ (accordion) ════════════ */
.faq-grid { display: grid; gap: var(--s-3); }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--shadow-xs); overflow: hidden; }
.faq-item summary { list-style: none; cursor: pointer; padding: var(--s-5) var(--s-6); font-size: 1rem; font-weight: 600; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: var(--s-4); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { color: var(--evergreen); transition: transform .25s ease; flex-shrink: 0; }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item .faq-body { padding: 0 var(--s-6) var(--s-5); color: var(--muted); font-size: .96rem; line-height: 1.65; }

/* ════════════ AVISO / DISCLAIMER ════════════ */
.notice { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: var(--r-md); padding: var(--s-4) var(--s-5); font-size: .88rem; color: var(--warn-text); line-height: 1.55; display: flex; gap: 11px; align-items: flex-start; }
.notice i { margin-top: 3px; flex-shrink: 0; }

/* ════════════ CTA FAIXA ════════════ */
.cta-band { text-align: center; }
.cta-band .section-title { margin-inline: auto; }

/* ════════════ FOOTER ════════════ */
footer { background: var(--evergreen-900); color: rgba(255,255,255,.72); padding: var(--s-16) 0 var(--s-8); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-8); }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text span { color: rgba(255,255,255,.55); }
.footer-brand p { font-size: .9rem; line-height: 1.6; margin-top: var(--s-4); color: rgba(255,255,255,.6); }
.footer-col h4 { font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; color: var(--sage); margin-bottom: var(--s-4); }
.footer-col a, .footer-col p { color: rgba(255,255,255,.7); font-size: .92rem; display: block; margin-bottom: var(--s-3); transition: color .18s; }
.footer-col a:hover { color: #fff; }
.footer-legal { border-top: 1px solid rgba(255,255,255,.14); margin-top: var(--s-10); padding-top: var(--s-6); color: rgba(255,255,255,.5); font-size: .82rem; line-height: 1.6; }
.footer-legal a { color: rgba(255,255,255,.7); }
.footer-legal a:hover { color: #fff; }

/* ════════════ DOCUMENTOS LEGAIS ════════════ */
.legal-doc { padding-top: var(--s-4); }
.legal-doc .section-title { font-family: var(--font-serif); font-weight: 500; }
.legal-h2 { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 500; color: var(--evergreen-900); margin: var(--s-8) 0 var(--s-3); letter-spacing: -.01em; }
.legal-doc .section-text { color: var(--ink-soft); }

/* ════════════ HAMBÚRGUER + MENU MOBILE ════════════ */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 9px; border-radius: var(--r-sm); flex-direction: column; gap: 5px; align-items: center; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .25s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 998; background: rgba(246,245,241,.98); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); padding: var(--s-4) 20px var(--s-6); flex-direction: column; gap: 2px; box-shadow: var(--shadow-md); }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 13px 14px; border-radius: var(--r-sm); font-size: .98rem; font-weight: 500; color: var(--ink); transition: background .15s, color .15s; }
.mobile-nav a:hover { background: var(--sage-pale); color: var(--evergreen-700); }
.mobile-nav .btn { margin-top: var(--s-3); width: 100%; }

/* ════════════ WHATSAPP FLOAT ════════════ */
.wpp-float { position: fixed; bottom: 18px; right: 16px; z-index: 1200; height: 52px; padding: 0 18px 0 16px; border-radius: var(--r-pill); background: #1faa55; color: #fff; box-shadow: 0 10px 28px rgba(31,170,85,.4); display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: .92rem; transition: transform .2s, box-shadow .2s; }
.wpp-float:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(31,170,85,.5); }
.wpp-float i { font-size: 1.3rem; }
.wpp-float .wpp-label { display: none; }

/* ════════════ ANIMAÇÃO DE ENTRADA (sutil, sem layout shift) ════════════ */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }
}

/* ════════════ DESKTOP ════════════ */
@media (min-width: 768px) {
  .hero { padding: var(--s-16) 0 var(--s-20); }
  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: var(--s-16); }
  .cta-row { flex-direction: row; flex-wrap: wrap; }
  .cards-grid { grid-template-columns: repeat(3, 1fr); gap: var(--s-6); }
  .cards-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .fit-grid { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
  .steps-grid { grid-template-columns: repeat(4, 1fr); gap: var(--s-5); }
  .faq-grid { gap: var(--s-3); }
  .footer-grid { grid-template-columns: 1.8fr 1fr 1fr 1.3fr; gap: var(--s-10); }
  .wpp-float { padding: 0 22px 0 18px; height: 56px; }
  .wpp-float .wpp-label { display: inline; }
}
@media (max-width: 767px) {
  .nav-links { display: none; }
  .nav-actions .btn-desktop { display: none; }
  .hamburger { display: flex; }
  .hero-badge { left: 12px; }
}