/* =========================================================
   Nahi Clinic Spa, base.css
   Design system compartilhado por todas as páginas.
   Paleta oficial da marca: marrom + bege dominantes,
   verde-sálvia como secundário.
   ========================================================= */

:root{
  /* marca */
  --brown:      #6e4a3a;   /* marrom primário (fundo do logo) */
  --brown-deep: #573528;   /* hover / texto forte */
  --brown-ink:  #43301f;
  --clay:       #8a5c46;   /* marrom claro */
  --cream:      #ede7db;   /* fundo claro principal */
  --ivory:      #f5f0e7;   /* cartões / seções claras */
  --sand:       #e5ddcd;
  --taupe:      #d3c7b7;   /* bege */
  --sage:       #7f7a63;   /* verde-sálvia secundário */
  --sage-deep:  #666249;
  --ink:        #3d2f27;   /* texto */
  --muted:      #74675a;   /* texto suave (contraste AA sobre fundo claro) */
  --line:       rgba(61,47,36,.14);
  --line-light: rgba(255,255,255,.20);

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Jost", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --wrap: 1180px;
  --r: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --shadow: 0 24px 60px -34px rgba(67,48,31,.55);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior: auto; } }

body{
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

.wrap{ width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }

/* ---------- tipografia utilitária ---------- */
.kicker{
  font-size: .72rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--clay); font-weight: 500; margin: 0 0 18px;
}
.kicker--light{ color: var(--taupe); }

.title{
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2rem, 4.4vw, 3.25rem); line-height: 1.06;
  letter-spacing: -.01em; margin: 0 0 22px; color: var(--brown-deep);
}
.title--light{ color: var(--ivory); }
.lead{ color: var(--muted); font-size: 1.08rem; margin: 0; max-width: 54ch; }

.dot{ display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--clay); margin-right:8px; vertical-align: middle; }

/* revelar ao rolar */
[data-reveal]{ opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-visible{ opacity: 1; transform: none; }
[data-reveal][data-reveal="2"]{ transition-delay: .08s; }
[data-reveal][data-reveal="3"]{ transition-delay: .16s; }
@media (prefers-reduced-motion: reduce){ [data-reveal]{ opacity: 1; transform: none; } }

/* ---------- botões ---------- */
.btn{
  --pad: 15px 30px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-weight: 400; font-size: .82rem;
  letter-spacing: .14em; text-transform: uppercase; text-decoration: none;
  padding: var(--pad); border-radius: 100px; border: 1px solid transparent;
  cursor: pointer; transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }
.btn--primary{ background: var(--brown); color: var(--ivory); }
.btn--primary:hover{ background: var(--brown-deep); }
.btn--ghost{ background: transparent; color: var(--brown-deep); border-color: var(--line); }
.btn--ghost:hover{ border-color: var(--brown); }
.btn--light{ background: var(--ivory); color: var(--brown-deep); }
.btn--light:hover{ background: #fff; }
.btn--sage{ background: var(--sage); color: var(--ivory); }
.btn--sage:hover{ background: var(--sage-deep); }

:focus-visible{ outline: 2px solid var(--clay); outline-offset: 3px; border-radius: 4px; }

/* =========================================================
   HEADER (compartilhado)
   ========================================================= */
.site-header{
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--line);
  /* sem backdrop-filter aqui: ele criaria um bloco de contenção que prende
     o menu fixo do mobile dentro do header. O blur vai no ::before. */
}
.site-header::before{
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--cream) 85%, transparent);
  backdrop-filter: blur(12px);
}
.nav{
  position: relative;
  max-width: var(--wrap); margin-inline: auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.nav__brand{ display: inline-flex; align-items: center; }
.nav__brand img{ height: 40px; width: auto; }

.nav__menu{ list-style: none; display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; }
.nav__menu a{
  text-decoration: none; color: var(--ink); font-size: .8rem; letter-spacing: .12em;
  text-transform: uppercase; font-weight: 400; position: relative; padding-block: 4px;
  transition: color .3s var(--ease);
}
.nav__menu a:not(.nav__cta)::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background: var(--clay); transition: width .35s var(--ease);
}
.nav__menu a:not(.nav__cta):hover{ color: var(--brown); }
.nav__menu a:not(.nav__cta):hover::after,
.nav__menu a[aria-current="page"]::after{ width: 100%; }
.nav__menu a[aria-current="page"]{ color: var(--brown); }
.nav__menu a.nav__cta{
  display: inline-flex; align-items: center; justify-content: center; line-height: 1;
  background: var(--brown); color: var(--ivory) !important; padding: 12px 24px;
  border-radius: 100px; transition: background .3s var(--ease);
}
.nav__menu a.nav__cta::after{ display: none; }
.nav__menu a.nav__cta:hover{ background: var(--brown-deep); color: var(--ivory) !important; }

.nav__toggle{
  display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px;
  background: none; border: 0; cursor: pointer; padding: 9px; align-items: center; justify-content: center;
}
.nav__toggle span{ width: 22px; height: 1.5px; background: var(--brown); transition: transform .35s var(--ease), opacity .3s; }

/* =========================================================
   FOOTER (compartilhado)
   ========================================================= */
.footer{ background: var(--brown); color: rgba(245,240,231,.82); padding: 66px 0 30px; }
.footer__grid{
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid var(--line-light);
}
.footer__brand img{ height: 40px; width: auto; margin-bottom: 18px; }
.footer__brand p{ margin: 0; max-width: 34ch; font-size: .96rem; color: rgba(245,240,231,.7); }
.footer__seal{ display: inline-flex; align-items: center; gap: 12px; margin-top: 22px; padding: 10px 20px 10px 12px; border: 1px solid var(--line-light); border-radius: 100px; text-decoration: none; transition: background .3s var(--ease), border-color .3s var(--ease); }
.footer__seal:hover{ background: rgba(255,255,255,.06); border-color: var(--taupe); }
.footer__seal-icon{ width: 36px; height: 36px; flex: 0 0 36px; display: grid; place-items: center; color: var(--taupe); }
.footer__seal-icon svg{ width: 100%; height: 100%; display: block; }
.footer__seal-txt{ display: flex; flex-direction: column; line-height: 1.2; }
.footer__seal-txt strong{ font-family: var(--serif); font-weight: 600; font-size: 1rem; color: #fff; }
.footer__seal-txt span{ font-size: .8rem; color: rgba(245,240,231,.66); letter-spacing: .02em; }
.footer__col h4{
  font-family: var(--sans); font-weight: 500; font-size: .72rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--taupe); margin: 0 0 18px;
}
.footer__col ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer__col a{ text-decoration: none; color: rgba(245,240,231,.82); font-size: .95rem; transition: color .3s; }
.footer__col a:hover{ color: #fff; }
.footer__col .muted{ color: rgba(245,240,231,.62); font-size: .95rem; }

.footer__bottom{
  display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; justify-content: space-between;
  padding-top: 24px;
}
.footer__bottom p{ margin: 0; font-size: .8rem; letter-spacing: .03em; color: rgba(245,240,231,.55); }
.footer__bottom a{ color: rgba(245,240,231,.8); text-decoration: none; border-bottom: 1px solid rgba(245,240,231,.3); transition: color .3s, border-color .3s; }
.footer__bottom a:hover{ color: #fff; border-color: #fff; }

/* =========================================================
   WHATSAPP FLUTUANTE (compartilhado)
   ========================================================= */
.wa-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: var(--sage); color: var(--ivory); box-shadow: 0 14px 34px -12px rgba(0,0,0,.5);
  transition: transform .35s var(--ease), background .35s var(--ease), opacity .35s var(--ease), visibility .35s;
}
.wa-float:hover{ transform: scale(1.08) translateY(-2px); background: var(--sage-deep); }

/* =========================================================
   LIGHTBOX (galeria do ambiente)
   ========================================================= */
.lightbox{ position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: clamp(16px, 4vw, 48px); background: rgba(40,30,24,.9); backdrop-filter: blur(4px); cursor: zoom-out; animation: lb-in .25s var(--ease); }
.lightbox[hidden]{ display: none; }
.lightbox img{ max-width: min(1120px, 94vw); max-height: 90vh; width: auto; height: auto; border-radius: 12px; box-shadow: 0 40px 90px -24px rgba(0,0,0,.75); }
.lightbox__close{ position: absolute; top: 16px; right: 20px; width: 46px; height: 46px; border-radius: 50%; border: 0; background: rgba(255,255,255,.15); color: #fff; font-size: 1.9rem; line-height: 1; cursor: pointer; transition: background .3s var(--ease); }
.lightbox__close:hover{ background: rgba(255,255,255,.28); }
@keyframes lb-in{ from{ opacity: 0; } to{ opacity: 1; } }
body.lb-open{ overflow: hidden; }
@media (prefers-reduced-motion: reduce){ .lightbox{ animation: none; } }
/* oculto enquanto o CTA do hero está visível */
.wa-float.is-hidden{ opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(14px) scale(.8); }

/* =========================================================
   RESPONSIVE (header/footer)
   ========================================================= */
@media (max-width: 900px){
  .nav__menu{
    position: fixed; inset: 0 0 0 auto; width: min(82vw, 330px);
    flex-direction: column; align-items: flex-start; gap: 6px;
    background: var(--ivory); padding: 92px 32px max(40px, env(safe-area-inset-bottom));
    transform: translateX(100%); transition: transform .4s var(--ease);
    box-shadow: -20px 0 60px -30px rgba(0,0,0,.4); z-index: 55;
    max-height: 100dvh; overflow-y: auto; overscroll-behavior: contain;
  }
  .nav__menu li{ width: 100%; }
  .nav__menu a{ font-size: 1rem; display: block; padding: 13px 0; letter-spacing: .1em; }
  .nav__menu a.nav__cta{ margin-top: 16px; padding: 14px 28px; }
  body.nav-open .nav__menu{ transform: translateX(0); }
  /* scrim atrás do menu */
  .nav__scrim{ position: fixed; inset: 0; background: rgba(40,30,24,.42); opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s; z-index: 54; }
  body.nav-open .nav__scrim{ opacity: 1; visibility: visible; }
  body.nav-open{ overflow: hidden; }
  body.nav-open .wa-float{ opacity: 0; pointer-events: none; }
  .nav__toggle{ display: flex; z-index: 56; }
  body.nav-open .nav__toggle span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
  body.nav-open .nav__toggle span:nth-child(2){ opacity: 0; }
  body.nav-open .nav__toggle span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

  .footer__grid{ grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand{ grid-column: 1 / -1; }
}
@media (max-width: 560px){
  .footer__grid{ grid-template-columns: 1fr; }
  .footer__bottom{ flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition-duration: .01ms !important; }
}