/* ============================================================
   DR. ALEXANDRE BARRICHELLO — Tokens base
   Identidade sóbria e premium: cinza · prata · azul-marinho.
   Type: serifada elegante (display) + sans limpa (texto).
   Compartilhado pelos 3 conceitos. Cada versão estende em ./style.css
   ============================================================ */

:root{
  /* ---- Paleta marca ---- */
  --navy-950:#0A1421;   /* marinho mais profundo */
  --navy-900:#0E1A2B;   /* marinho profundo (base escura) */
  --navy-800:#16263B;   /* marinho primário */
  --navy-700:#1E3350;   /* lifted sobre marinho */
  --navy-600:#264064;   /* dividers/decorativo sobre marinho */
  --steel-700:#2F4B66;  /* azul-aço fundo */
  --steel-500:#3E5C76;  /* azul-aço */
  --steel-400:#5C7894;  /* aço claro (texto sobre escuro) */
  --silver-300:#9AA6B2; /* prata média */
  --silver-200:#C6CCD2; /* prata clara */
  --silver-100:#E2E6EA; /* prata muito clara / linhas */
  --graphite:#2B2F36;   /* grafite (texto premium) */
  --gray-600:#5B626C;   /* texto secundário */
  --gray-50:#F5F6F8;    /* off-white */
  --paper:#FAFBFC;      /* papel */
  --white:#FFFFFF;
  --black:#0A0D12;

  /* ---- Tokens semânticos (default = tema claro) ---- */
  --bg:var(--white);
  --bg-soft:var(--gray-50);
  --fg:var(--graphite);
  --fg-muted:var(--gray-600);
  --accent:var(--steel-500);
  --accent-soft:var(--silver-200);
  --line:var(--silver-100);
  --line-strong:var(--silver-200);

  /* ---- Tipografia (cada direção sobrescreve as famílias) ---- */
  --font-display:'Cormorant Garamond',Georgia,serif;
  --font-body:'Inter','Helvetica Neue',Arial,sans-serif;

  --fs-hero:clamp(42px,6.4vw,88px);
  --fs-h1:clamp(32px,4.6vw,60px);
  --fs-h2:clamp(26px,3.4vw,44px);
  --fs-h3:clamp(20px,2.2vw,28px);
  --fs-lg:19px;
  --fs-body:16.5px;
  --fs-sm:14px;
  --fs-overline:12px;

  --tracking-over:0.30em;
  --tracking-word:0.36em;

  /* ---- Espaço / forma / motion ---- */
  --container:1200px;
  --pad:clamp(20px,5vw,64px);
  --section:clamp(64px,9vw,128px);
  --radius:14px;
  --radius-lg:24px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(14,26,43,.06);
  --shadow-md:0 14px 40px rgba(14,26,43,.10);
  --shadow-lg:0 30px 70px rgba(14,26,43,.18);
  --ease:cubic-bezier(.22,1,.36,1);
  --dur:.5s;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.65;
  color:var(--fg);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* ---- Tipografia utilitária ---- */
.display,.h1,.h2,.h3{font-family:var(--font-display);font-weight:500;line-height:1.05;letter-spacing:-.01em;text-wrap:balance}
.display{font-size:var(--fs-hero)}
.h1{font-size:var(--fs-h1)}
.h2{font-size:var(--fs-h2);line-height:1.1}
.h3{font-size:var(--fs-h3);line-height:1.2}
.lead{font-size:var(--fs-lg);color:var(--fg-muted);font-weight:400;line-height:1.6}
.overline{font-family:var(--font-body);font-size:var(--fs-overline);font-weight:600;text-transform:uppercase;letter-spacing:var(--tracking-over);color:var(--accent);display:inline-block}
.muted{color:var(--fg-muted)}
.accent-text{color:var(--accent)}

/* ---- Layout ---- */
.container{max-width:var(--container);margin:0 auto;padding-inline:var(--pad);width:100%}
.section{padding-block:var(--section)}
.center{text-align:center}
.grid{display:grid;gap:clamp(20px,3vw,40px)}
.eyebrow-row{display:flex;align-items:center;gap:14px}
.eyebrow-row::before{content:"";width:34px;height:1.5px;background:var(--accent);flex-shrink:0}

/* ---- Logo oficial (marca AB) ---- */
.brand{display:inline-flex;align-items:center}
.logo-img{height:50px;width:auto;max-width:56vw;display:block;transition:height var(--dur) var(--ease)}
.site-header.scrolled .logo-img{height:42px}
.logo-footer{height:58px;max-width:260px}
/* versão branca via filtro nos fundos escuros */
.theme-navy .site-header .logo-img,
.theme-care-dark .site-header .logo-img{filter:brightness(0) invert(1)}
.site-footer .logo-footer{filter:brightness(0) invert(1)} /* footer é sempre marinho */
@media (max-width:600px){ .logo-img{height:42px} .site-header.scrolled .logo-img{height:38px} }

/* ---- Wordmark tipográfico (fallback / galeria) ---- */
.wordmark{font-family:var(--font-display);line-height:.96;display:inline-flex;flex-direction:column}
.wordmark .nm{font-size:1.28em;letter-spacing:.04em;font-weight:600}
.wordmark .sub{font-family:var(--font-body);font-size:.42em;font-weight:600;letter-spacing:var(--tracking-over);text-transform:uppercase;opacity:.7;margin-top:.5em}
.monogram{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border:1.5px solid currentColor;border-radius:50%;font-family:var(--font-display);font-weight:600;font-size:18px;letter-spacing:.02em}

/* ---- Botões ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:14px;letter-spacing:.06em;text-transform:uppercase;padding:16px 30px;border-radius:var(--radius-sm);transition:all var(--dur) var(--ease);white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--navy-800);color:var(--white)}
.btn-primary:hover{background:var(--navy-900);transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--white)}
.btn-accent{background:var(--steel-500);color:var(--white)}
.btn-accent:hover{background:var(--steel-700);transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--white)}
.btn-ghost{border:1.5px solid currentColor;color:var(--navy-800)}
.btn-ghost:hover{background:var(--navy-800);color:var(--white);border-color:var(--navy-800)}
.btn-lg{padding:19px 38px;font-size:15px}
.btn-wa{background:#1F7A4D;color:#fff}
.btn-wa:hover{background:#196b43;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* ---- Header ---- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:all var(--dur) var(--ease)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:84px;transition:height var(--dur) var(--ease)}
.site-header.scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(14px) saturate(1.1);box-shadow:0 1px 0 var(--line)}
.site-header.scrolled .bar{height:66px}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:14px;letter-spacing:.02em;color:var(--fg);font-weight:500}
.nav a:hover{color:var(--accent)}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:22px;height:1.5px;background:currentColor;position:relative;transition:.3s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:22px;height:1.5px;background:currentColor;transition:.3s}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}

/* ---- Placeholder de foto ---- */
.ph{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;
  background:linear-gradient(135deg,var(--silver-200) 0%,var(--gray-50) 100%);
  border:1.5px dashed var(--steel-400);border-radius:var(--radius);color:var(--navy-800);
  padding:24px;min-height:220px;overflow:hidden}
.ph::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(45deg,transparent,transparent 14px,rgba(22,38,59,.025) 14px,rgba(22,38,59,.025) 28px)}
.ph .ph-ic{width:40px;height:40px;opacity:.7;position:relative}
.ph .ph-cap{font-family:var(--font-body);font-weight:600;font-size:13px;letter-spacing:.02em;line-height:1.4;max-width:84%;position:relative}
.ph .ph-ratio{font-size:11px;letter-spacing:.18em;text-transform:uppercase;opacity:.6;position:relative}
.ph.on-dark{background:linear-gradient(135deg,var(--navy-700) 0%,var(--navy-900) 100%);border-color:var(--steel-400);color:var(--silver-200)}
/* Foto real dentro do placeholder: cobre a moldura tracejada e a legenda */
.ph>img.ph-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit;z-index:3}
.ph.has-photo{border-style:solid;border-color:transparent;padding:0}
.ph.has-photo::before{display:none}

/* ---- Cards ---- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,34px);transition:all var(--dur) var(--ease)}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent}

/* ---- Chips / badges ---- */
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.01em;padding:8px 16px;border-radius:999px;background:var(--gray-50);border:1px solid var(--line);color:var(--fg-muted)}
.chip svg{width:15px;height:15px;color:var(--accent)}

/* ---- FAQ ---- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:24px 0;font-family:var(--font-display);font-weight:500;font-size:20px;color:var(--fg);letter-spacing:.01em}
.faq-q .ic{flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--accent);position:relative;transition:.4s var(--ease)}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--accent);transition:.4s var(--ease)}
.faq-q .ic::before{width:10px;height:1.5px;top:11px;left:6px}
.faq-q .ic::after{width:1.5px;height:10px;top:6px;left:11px}
.faq-item.open .faq-q .ic{background:var(--accent)}
.faq-item.open .faq-q .ic::before,.faq-item.open .faq-q .ic::after{background:#fff}
.faq-item.open .faq-q .ic::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq-a p{padding:0 0 24px;color:var(--fg-muted);max-width:64ch}

/* ---- Antes/Depois slider ---- */
.ba{position:relative;border-radius:var(--radius);overflow:hidden;user-select:none;touch-action:none;aspect-ratio:4/3}
.ba .ba-layer{position:absolute;inset:0}
.ba .ba-after{clip-path:inset(0 0 0 50%)}
.ba .ba-handle{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.12);z-index:3}
.ba .ba-grip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:#fff;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;color:var(--navy-800);font-size:16px}
.ba .ba-tag{position:absolute;bottom:14px;font-family:var(--font-body);font-weight:600;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#fff;background:rgba(14,26,43,.55);padding:6px 12px;border-radius:6px;z-index:2}
.ba .ba-tag.l{left:14px}.ba .ba-tag.r{right:14px}

/* ---- WhatsApp flutuante ---- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#1F7A4D;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:transform .3s var(--ease)}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #1F7A4D;animation:wa-pulse 2.4s var(--ease) infinite}
@keyframes wa-pulse{0%{transform:scale(1);opacity:.7}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}

/* ---- Reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- Footer base ---- */
.site-footer{background:var(--navy-900);color:var(--silver-200);padding-block:clamp(48px,7vw,80px) 32px;font-size:var(--fs-sm)}
.site-footer a:hover{color:#fff}
.site-footer .legal{border-top:1px solid rgba(198,204,210,.16);margin-top:40px;padding-top:24px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:12.5px;color:var(--silver-300)}

/* ---- Mobile ---- */
@media (max-width:860px){
  .nav{position:fixed;inset:0 0 0 30%;background:var(--white);flex-direction:column;justify-content:center;gap:26px;padding:40px;transform:translateX(100%);transition:transform .4s var(--ease);box-shadow:var(--shadow-lg);z-index:55}
  .nav.open{transform:none}
  .nav .btn{margin-top:10px}
  .nav-toggle{display:flex;z-index:56}
  .nav-open .nav-toggle span{background:transparent}
  .nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
  .nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
}

/* ---- CTA sticky mobile (LP) ---- */
.sticky-cta{display:none}
@media (max-width:860px){
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:58;padding:12px 16px;gap:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .sticky-cta .btn{flex:1;justify-content:center}
}