/* =========================================================
   Dra. — Site Institucional
   Design tokens: petróleo profundo + azul claro + cinza + branco
   Display: Newsreader (serif editorial) / Body: Manrope
   Assinatura visual: "arco do sorriso" — curva suave recorrente
   ========================================================= */

:root{
  --white: #ffffff;
  --gray-50: #f6f7f6;
  --gray-100: #eef1f0;
  --gray-200: #dfe4e2;
  --gray-400: #9aa6a3;
  --blue-50: #eef7f9;
  --blue-100: #dbeef2;
  --blue-200: #bfe1e8;
  --petrol-900: #082b2d;
  --petrol-800: #0a3638;
  --petrol-700: #0e4c4f;
  --petrol-600: #146366;
  --petrol-500: #1c7a7d;
  --gold-400: #c9a876;
  --text: #1c2624;
  --text-soft: #4c5a58;
  --text-onDark: #eef4f3;
  --text-onDark-soft: #b9cbc9;

  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;

  --shadow-s: 0 2px 10px rgba(10,54,56,0.06);
  --shadow-m: 0 12px 32px rgba(10,54,56,0.10);
  --shadow-l: 0 24px 60px rgba(10,54,56,0.14);

  --container: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

@media (prefers-color-scheme: dark){
  /* Site mantém tema claro por design (transmite limpeza clínica) */
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; }
input,textarea,select{ font-family:inherit; font-size:1rem; }

h1,h2,h3,h4{
  font-family:'Newsreader', Georgia, serif;
  font-weight:500;
  color:var(--petrol-900);
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem, 5vw, 4rem); line-height:1.05; font-weight:450; }
h2{ font-size:clamp(1.8rem, 3.4vw, 2.6rem); line-height:1.15; }
h3{ font-size:clamp(1.2rem, 2vw, 1.5rem); }
p{ margin:0 0 1em; color:var(--text-soft); }

.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
.section{ padding:96px 0; }
.section-tight{ padding:64px 0; }
.section-alt{ background:var(--gray-50); }
.section-blue{ background:linear-gradient(180deg,var(--blue-50),var(--blue-100)); }
.section-petrol{ background:radial-gradient(120% 140% at 15% 0%, var(--petrol-600), var(--petrol-900) 70%); color:var(--text-onDark); }
.section-petrol h2, .section-petrol h3{ color:var(--white); }
.section-petrol p{ color:var(--text-onDark-soft); }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--petrol-600); font-weight:700; margin-bottom:14px;
}
.eyebrow::before{
  content:''; width:20px; height:2px; background:var(--gold-400); display:inline-block; border-radius:2px;
}
.section-petrol .eyebrow{ color:var(--blue-200); }

.lede{ font-size:1.12rem; max-width:640px; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:15px 28px; border-radius:999px; font-weight:700; font-size:.98rem;
  border:1px solid transparent; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn:focus-visible{ outline:3px solid var(--gold-400); outline-offset:2px; }
.btn-primary{ background:var(--petrol-700); color:var(--white); box-shadow:var(--shadow-m); }
.btn-primary:hover{ background:var(--petrol-800); }
.btn-whatsapp{ background:#25D366; color:#06331d; box-shadow:var(--shadow-m); }
.btn-whatsapp:hover{ background:#1ebe5a; }
.btn-ghost{ background:transparent; color:var(--petrol-800); border-color:var(--petrol-700); }
.btn-ghost:hover{ background:var(--petrol-700); color:var(--white); }
.btn-ghost-light{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.5); }
.btn-ghost-light:hover{ background:rgba(255,255,255,.12); border-color:var(--white); }
.btn-sm{ padding:11px 20px; font-size:.9rem; }
.btn svg{ width:18px; height:18px; flex-shrink:0; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--gray-100);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:84px; }
.logo{ display:flex; align-items:center; gap:10px; font-family:'Newsreader',serif; font-size:1.3rem; color:var(--petrol-900); font-weight:600; }
.logo .mark{ width:34px; height:34px; }
.logo small{ display:block; font-family:'Manrope',sans-serif; font-size:.6rem; letter-spacing:.12em; text-transform:uppercase; color:var(--petrol-500); font-weight:700; }

.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav a{ font-size:.95rem; font-weight:600; color:var(--text); position:relative; padding:6px 0; }
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--gold-400);
  transition:width .3s var(--ease);
}
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.main-nav a.active{ color:var(--petrol-700); }

.header-actions{ display:flex; align-items:center; gap:12px; }
.nav-toggle{ display:none; background:none; border:none; padding:8px; }
.nav-toggle svg{ width:26px; height:26px; color:var(--petrol-900); }

.has-dropdown{ position:relative; }
.dropdown{
  position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%);
  background:var(--white); border-radius:var(--radius-m); box-shadow:var(--shadow-l);
  padding:14px; min-width:260px; display:grid; gap:2px;
  opacity:0; visibility:hidden; translate:0 8px; transition:all .22s var(--ease);
  border:1px solid var(--gray-100);
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown{
  opacity:1; visibility:visible; translate:0 0;
}
.dropdown a{ padding:10px 12px; border-radius:var(--radius-s); font-weight:600; font-size:.9rem; }
.dropdown a:hover{ background:var(--blue-50); color:var(--petrol-700); }
.dropdown a::after{ display:none; }

@media (max-width: 960px){
  .main-nav{
    position:fixed; inset:84px 0 0 0; background:var(--white); flex-direction:column;
    align-items:flex-start; padding:28px 24px; gap:4px; overflow-y:auto;
    transform:translateX(100%); transition:transform .35s var(--ease); box-shadow: -12px 0 40px rgba(0,0,0,.08);
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav a{ width:100%; padding:14px 4px; border-bottom:1px solid var(--gray-100); }
  .nav-toggle{ display:block; }
  .dropdown{ position:static; opacity:1; visibility:visible; translate:0; transform:none; box-shadow:none; border:none; padding:0 0 0 14px; display:none; }
  .has-dropdown.open .dropdown{ display:grid; }
  .header-actions .btn-sm span.long{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; padding:76px 0 120px; overflow:hidden;
  background:
    radial-gradient(60% 60% at 88% 10%, var(--blue-100), transparent 60%),
    linear-gradient(180deg, var(--white), var(--gray-50));
}
.hero .container{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.hero-copy .lede{ font-size:1.18rem; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:30px; }
.hero-trust{ display:flex; gap:26px; margin-top:44px; flex-wrap:wrap; }
.hero-trust div{ display:flex; flex-direction:column; }
.hero-trust strong{ font-family:'Newsreader',serif; font-size:1.6rem; color:var(--petrol-800); }
.hero-trust span{ font-size:.82rem; color:var(--text-soft); }

.hero-visual{ position:relative; }
.hero-photo-frame{
  position:relative; border-radius:var(--radius-l); overflow:hidden; box-shadow:var(--shadow-l);
  aspect-ratio:4/5; background:linear-gradient(155deg,var(--petrol-700),var(--petrol-900));
}
.hero-photo-frame .placeholder-portrait{ width:100%; height:100%; position:absolute; inset:0; z-index:1; }
.real-photo{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:2;
  background:transparent;
}
.real-photo.is-hidden{ display:none; }
.hero-badge{
  position:absolute; left:-18px; bottom:26px; background:var(--white); border-radius:var(--radius-m);
  box-shadow:var(--shadow-m); padding:16px 20px; display:flex; align-items:center; gap:12px; max-width:230px;
}
.hero-badge svg{ width:30px; height:30px; color:var(--petrol-700); flex-shrink:0; }
.hero-badge strong{ display:block; font-size:.86rem; color:var(--petrol-900); }
.hero-badge span{ font-size:.76rem; color:var(--text-soft); }

@media (max-width: 960px){
  .hero .container{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; max-width:360px; margin:0 auto; }
}

/* Smile arc — assinatura visual */
.smile-divider{ display:block; width:100%; height:auto; }
.smile-divider path{ stroke:var(--blue-200); }
.section-petrol + .smile-divider path, .smile-divider.on-petrol path{ stroke:var(--petrol-700); }

/* ---------- Cards grid generic ---------- */
.grid{ display:grid; gap:28px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:960px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid-3,.grid-4,.grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--white); border:1px solid var(--gray-100); border-radius:var(--radius-m);
  padding:32px 28px; box-shadow:var(--shadow-s); transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-m); }
.card .icon{
  width:52px; height:52px; border-radius:14px; background:var(--blue-50); color:var(--petrol-700);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
}
.card .icon svg{ width:26px; height:26px; }
.card h3{ margin-bottom:8px; }
.card p{ margin-bottom:14px; font-size:.95rem; }
.card-link{ font-weight:700; font-size:.88rem; color:var(--petrol-700); display:inline-flex; align-items:center; gap:6px; }
.card-link svg{ width:14px; height:14px; transition:transform .25s var(--ease); }
.card-link:hover svg{ transform:translateX(4px); }

/* Treatment cards on home */
.treat-card{ position:relative; }
.treat-card .num{ position:absolute; top:20px; right:24px; font-family:'Newsreader',serif; font-size:1.6rem; color:var(--blue-200); }

/* ---------- Diferenciais ---------- */
.diff-card{ display:flex; gap:18px; align-items:flex-start; padding:22px 0; border-bottom:1px solid rgba(255,255,255,.12); }
.diff-card:last-child{ border-bottom:none; }
.diff-card .icon{ width:46px; height:46px; border-radius:12px; background:rgba(255,255,255,.08); color:var(--blue-200); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.diff-card .icon svg{ width:24px; height:24px; }
.diff-card h4{ color:var(--white); margin-bottom:4px; font-family:'Manrope',sans-serif; font-weight:700; font-size:1rem; }
.diff-card p{ margin:0; font-size:.92rem; }

/* ---------- Before / After ---------- */
.ba-slider{
  position:relative; border-radius:var(--radius-l); overflow:hidden; box-shadow:var(--shadow-m);
  aspect-ratio:16/10; background:var(--gray-100); user-select:none;
}
.ba-slider .ba-after, .ba-slider .ba-before{ position:absolute; inset:0; display:flex; }
.ba-slider .ba-before{ background:linear-gradient(135deg,var(--gray-200),var(--gray-100)); }
.ba-slider .ba-after{
  background:linear-gradient(135deg,var(--blue-100),var(--blue-50)); overflow:hidden;
  clip-path: inset(0 calc(100% - var(--ba-w, 50%)) 0 0);
}
.ba-slider .real-photo{ z-index:1; }
.ba-tag{ position:absolute; top:16px; padding:6px 14px; border-radius:999px; font-size:.72rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase; background:rgba(8,43,45,.75); color:#fff; }
.ba-tag.before{ left:16px; } .ba-tag.after{ right:16px; }
.ba-handle{
  position:absolute; top:0; bottom:0; left:var(--ba-w,50%); width:3px; background:var(--white);
  box-shadow:0 0 0 1px rgba(0,0,0,.05);
}
.ba-handle::after{
  content:''; position:absolute; top:50%; left:50%; translate:-50% -50%; width:44px; height:44px; border-radius:50%;
  background:var(--white); box-shadow:var(--shadow-m);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230e4c4f' stroke-width='2'%3E%3Cpath d='M8 7l-5 5 5 5M16 7l5 5-5 5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:center;
}
.ba-slider input[type=range]{
  position:absolute; inset:0; width:100%; height:100%; margin:0; opacity:0; cursor:ew-resize;
}
.ba-caption{ margin-top:14px; font-size:.9rem; color:var(--text-soft); text-align:center; }

/* ---------- Testimonials ---------- */
.testi-card{ background:var(--white); border-radius:var(--radius-m); padding:30px; box-shadow:var(--shadow-s); border:1px solid var(--gray-100); height:100%; }
.stars{ color:var(--gold-400); letter-spacing:2px; margin-bottom:12px; font-size:.95rem; }
.testi-quote{ font-size:.98rem; color:var(--text); font-style:italic; }
.testi-author{ display:flex; align-items:center; gap:12px; margin-top:18px; }
.testi-avatar{ width:42px; height:42px; border-radius:50%; background:var(--blue-100); color:var(--petrol-700); display:flex; align-items:center; justify-content:center; font-weight:800; font-family:'Newsreader',serif; }
.testi-author strong{ display:block; font-size:.9rem; color:var(--petrol-900); }
.testi-author span{ font-size:.78rem; color:var(--text-soft); }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--gray-200); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:none; border:none; padding:22px 4px; text-align:left; font-weight:700; font-size:1.02rem; color:var(--petrol-900);
}
.faq-q svg{ width:20px; height:20px; flex-shrink:0; transition:transform .3s var(--ease); color:var(--petrol-600); }
.faq-item.open .faq-q svg{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .35s var(--ease); }
.faq-a p{ padding:0 4px 22px; margin:0; }

/* ---------- Forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-grid .full{ grid-column:1/-1; }
label{ display:block; font-size:.86rem; font-weight:700; color:var(--petrol-900); margin-bottom:7px; }
.field input, .field select, .field textarea{
  width:100%; padding:14px 16px; border-radius:var(--radius-s); border:1.5px solid var(--gray-200);
  background:var(--white); transition:border-color .2s var(--ease), box-shadow .2s var(--ease); color:var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--petrol-600); box-shadow:0 0 0 4px var(--blue-100);
}
.field textarea{ resize:vertical; min-height:120px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }

/* ---------- Map ---------- */
.map-wrap{ border-radius:var(--radius-l); overflow:hidden; box-shadow:var(--shadow-m); border:1px solid var(--gray-100); }
.map-wrap iframe{ width:100%; height:420px; border:0; display:block; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--petrol-900); color:var(--text-onDark-soft); padding:72px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-grid h4{ color:var(--white); font-family:'Manrope',sans-serif; font-size:.85rem; text-transform:uppercase; letter-spacing:.1em; margin-bottom:18px; }
.footer-grid a{ display:block; padding:6px 0; font-size:.92rem; }
.footer-grid a:hover{ color:var(--white); }
.footer-logo{ font-family:'Newsreader',serif; color:var(--white); font-size:1.3rem; margin-bottom:12px; }
.footer-social{ display:flex; gap:12px; margin-top:16px; }
.footer-social a{ width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center; padding:0; }
.footer-social a svg{ width:18px; height:18px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding:26px 0; font-size:.82rem; flex-wrap:wrap; gap:10px; }
.footer-bottom a{ font-weight:700; color:var(--blue-200); }

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:200; width:60px; height:60px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center; box-shadow:0 10px 30px rgba(37,211,102,.45);
  transition:transform .25s var(--ease);
}
.wa-float:hover{ transform:scale(1.08); }
.wa-float svg{ width:30px; height:30px; color:#0b2b16; }
.wa-float .ping{ position:absolute; inset:0; border-radius:50%; background:#25D366; opacity:.55; animation:ping 2.2s var(--ease) infinite; }
@keyframes ping{ 0%{ transform:scale(1); opacity:.5; } 100%{ transform:scale(1.9); opacity:0; } }
@media (prefers-reduced-motion:reduce){ .ping{ animation:none; display:none; } }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

/* ---------- Breadcrumb / page hero (treatments) ---------- */
.page-hero{ padding:56px 0 40px; background:linear-gradient(180deg,var(--blue-50),var(--white)); }
.breadcrumb{ font-size:.85rem; color:var(--text-soft); margin-bottom:18px; }
.breadcrumb a{ color:var(--petrol-700); font-weight:700; }
.treatment-meta{ display:flex; gap:26px; flex-wrap:wrap; margin-top:20px; }
.treatment-meta div{ display:flex; align-items:center; gap:10px; font-size:.9rem; color:var(--text-soft); font-weight:600; }
.treatment-meta svg{ width:18px; height:18px; color:var(--petrol-700); }

.benefit-list li{ display:flex; gap:12px; align-items:flex-start; padding:10px 0; color:var(--text); font-weight:600; }
.benefit-list svg{ width:20px; height:20px; color:var(--petrol-700); flex-shrink:0; margin-top:2px; }

.related-treats{ display:flex; gap:14px; flex-wrap:wrap; }
.pill{ padding:10px 18px; border-radius:999px; border:1.5px solid var(--gray-200); font-size:.86rem; font-weight:700; color:var(--petrol-800); }
.pill:hover{ border-color:var(--petrol-600); background:var(--blue-50); }

/* Placeholder portrait pattern (until real photos are added) */
.placeholder-portrait, .placeholder-photo{
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.16), transparent 40%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px);
  display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,.55);
}
.placeholder-photo{ background-color:var(--blue-100); color:var(--petrol-600); border-radius:var(--radius-m); }
.placeholder-portrait svg, .placeholder-photo svg{ width:34%; height:34%; opacity:.5; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--petrol-900); color:#fff; padding:12px 18px; z-index:999; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

::selection{ background:var(--blue-200); color:var(--petrol-900); }