/* =====================================================================
   CONCEITO · ZADA Odontologia
   Paleta: branco clínico moderno | #f9f9f8, #2c2c2c, #3a7bbf (azul cadeira)
   ===================================================================== */

:root {
  --cor-fundo: #f9f9f8;
  --cor-fundo-alt: #eef2f7;
  --cor-texto: #1a1a1a;
  --cor-texto-suave: #5a6a78;
  --cor-acento: #3a7bbf;
  --cor-acento-escuro: #2a5d94;
  --cor-card: #fff;
  --cor-card-borda: #dce5ef;
  --cor-nav-bg: rgba(249,249,248,.94);
}

body {
  background: var(--cor-fundo);
  color: var(--cor-texto);
  font-family: 'Inter', sans-serif;
  margin: 0; overflow-x: hidden;
}
.display, h1, h2.sec-title {
  font-family: 'Cormorant Garamond', 'Georgia', serif;
  font-weight: 400;
}
.display { font-size: clamp(2rem, 4.2vw, 3.6rem); line-height: 1.12; }
h2.sec-title { font-size: clamp(1.6rem, 2.8vw, 2.4rem); line-height: 1.25; margin: 0 0 1.6rem; }

.grain::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: .35;
}

/* ---- NAV ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: transparent; transition: background .4s, backdrop-filter .4s;
}
.nav.scrolled { background: var(--cor-nav-bg); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--cor-card-borda); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 2rem; max-width: 1300px; margin: 0 auto;
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; letter-spacing: .1em;
  /* cor-texto (escuro) em vez de cor-acento: hero tem janela estourada de luz
     (CR azul vs fundo≈1.73); escuro garante CR≥7. Check (f) gate_composicao. */
  color: var(--cor-texto); text-decoration: none; font-weight: 400;
}
.nav-cta {
  background: var(--cor-acento); color: #fff;
  padding: .5rem 1.4rem; border-radius: 2px;
  font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; transition: background .2s;
}
.nav-cta:hover { background: var(--cor-acento-escuro); }

/* ---- CENÁRIO ---- */
.cenario-ancora { position: fixed; inset: 0; z-index: -2; background: var(--cor-fundo); }
.cenario-frame {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.4s;
  filter: blur(22px) brightness(1.06) saturate(.4);
  transform: scale(1.08);
}
.cenario-frame.is-active { opacity: 1; }
.cenario-scrim { position: fixed; inset: 0; z-index: -1; background: rgba(249,249,248,.68); }

/* ---- WA FLOAT ---- */
.wa-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 1000;
  background: #25d366; color: #fff;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,.4);
  text-decoration: none; transition: transform .2s;
}
.wa-float:hover { transform: scale(1.1); }

/* =====================================================================
   HERO — full-bleed desktop / SPLIT mobile
   Zada: ambiente puro (consultório), sem rosto
   ===================================================================== */
.panel-hero {
  position: relative; overflow: hidden;
  min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end;
}

.hero-bg {
  position: absolute; inset: 0;
  background-image: url('assets/hero.webp');
  background-size: cover; background-position: center center;
  animation: kb-clinica 9s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes kb-clinica {
  from { transform: scale(1.02); }
  to   { transform: scale(1.10); }
}
@media (prefers-reduced-motion: reduce) {
  @keyframes kb-clinica { from { transform: scale(1); } to { transform: scale(1); } }
}

.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26,26,26,.18) 0%,
    rgba(26,26,26,.12) 40%,
    rgba(249,249,248,.88) 75%,
    rgba(249,249,248,.98) 100%
  );
}
@media (max-width: 768px) {
  /* Mobile SPLIT: foto ocupa topo fixo, copy abaixo */
  .hero-bg { background-image: url('assets/hero-mobile.webp'); background-position: center 20%; height: 50svh; position: relative; }
  .hero-scrim { display: none; }
  .panel-hero { min-height: auto; display: flex; flex-direction: column; }
}

.hero-inner {
  position: relative; z-index: 2;
  display: flex; align-items: flex-end;
  min-height: 100svh; padding: 6rem 2rem 3.5rem;
  max-width: 1300px; margin: 0 auto; width: 100%;
}
@media (max-width: 768px) {
  .hero-inner { min-height: auto; padding: 2.5rem 1.5rem 3rem; position: static; }
}

.hero-copy { max-width: 560px; }
.hero-kicker {
  display: block; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  /* cor-texto: kicker sobre fundo claro (body bg, CR azul≈4.18 — falha por
     margem estreita); escuro garante CR≥7 em qualquer fundo claro. */
  color: var(--cor-texto); margin-bottom: 1rem;
}
.hero-title { color: var(--cor-texto); margin: 0 0 1rem; }
.hero-title em { font-style: italic; color: var(--cor-acento); }
.hero-sub { font-size: .97rem; line-height: 1.78; color: var(--cor-texto-suave); margin: 0 0 2rem; max-width: 460px; }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 2px; font-weight: 600; letter-spacing: .06em;
  text-decoration: none; transition: all .2s; cursor: pointer;
}
.btn-cta { background: var(--cor-acento); color: #fff; padding: .85rem 2rem; font-size: .88rem; }
.btn-cta:hover { background: var(--cor-acento-escuro); transform: translateY(-1px); }
.btn-outline { border: 1.5px solid var(--cor-acento); color: var(--cor-acento); padding: .78rem 1.5rem; font-size: .82rem; background: transparent; }
.btn-outline:hover { background: var(--cor-acento); color: #fff; }

/* =====================================================================
   MANIFESTO
   ===================================================================== */
.panel-manifesto {
  padding: 4.5rem 2rem; text-align: center;
  background: var(--cor-acento); color: #fff;
}
.manifesto-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem); font-weight: 300; font-style: italic;
  color: #fff; max-width: 700px; margin: 0 auto; line-height: 1.35;
}
.manifesto-acento { color: rgba(255,255,255,.75); }

/* =====================================================================
   TRATAMENTOS — ANEL 3D
   ===================================================================== */
.panel-tratamentos { padding: 5rem 2rem; border-top: 1px solid var(--cor-card-borda); }
.tratamentos-intro { text-align: center; max-width: 560px; margin: 0 auto 3rem; }
.tratamentos-intro p { color: var(--cor-texto-suave); font-size: .97rem; line-height: 1.7; margin: .8rem 0 0; }

.anel-container { position: relative; height: 480px; perspective: 900px; max-width: 1000px; margin: 0 auto; }
.anel-track { position: absolute; inset: 0; transform-style: preserve-3d; animation: anel-spin 22s linear infinite; }
.anel-track:hover { animation-play-state: paused; }
@keyframes anel-spin { from { transform: rotateY(0deg); } to { transform: rotateY(360deg); } }
@media (prefers-reduced-motion: reduce) { .anel-track { animation: none; } }

.anel-card {
  position: absolute; width: 200px; height: 220px;
  left: 50%; top: 50%; margin: -110px -100px;
  background: var(--cor-card); border: 1px solid var(--cor-card-borda);
  border-radius: 3px; overflow: hidden; cursor: pointer; backface-visibility: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.anel-card:hover { border-color: var(--cor-acento); box-shadow: 0 8px 32px rgba(58,123,191,.2); }
.anel-card img { width: 100%; height: 140px; object-fit: cover; }
.anel-card-body { padding: .8rem 1rem; }
.anel-card-nome { font-family: 'Cormorant Garamond', serif; font-size: 1rem; color: var(--cor-texto); margin: 0 0 .2rem; }
.anel-card-desc { font-size: .78rem; color: var(--cor-texto-suave); margin: 0; }

.anel-fallback { display: none; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.2rem; max-width: 1000px; margin: 0 auto; }
.no-3d .anel-container { display: none; }
.no-3d .anel-fallback { display: grid; }

/* =====================================================================
   A CLÍNICA (sobre/ambiente)
   ===================================================================== */
.panel-clinica {
  padding: 5rem 2rem;
  background: var(--cor-fundo-alt);
  border-top: 1px solid var(--cor-card-borda);
}
.clinica-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center;
}
@media (max-width: 768px) { .clinica-inner { grid-template-columns: 1fr; gap: 2.5rem; } }
.clinica-foto img {
  width: 100%; border-radius: 3px; display: block;
  max-height: 480px; object-fit: cover; object-position: center;
  box-shadow: 0 10px 36px rgba(58,123,191,.15);
}
.clinica-texto h2 { margin: 0 0 1rem; }
.clinica-texto p { font-size: .95rem; color: var(--cor-texto-suave); line-height: 1.8; margin: 0 0 1.2rem; }

/* =====================================================================
   PROVA SOCIAL
   ===================================================================== */
.panel-prova {
  padding: 5rem 2rem;
  border-top: 1px solid var(--cor-card-borda);
}
.prova-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.badge-google {
  display: inline-flex; align-items: center; gap: .8rem;
  background: var(--cor-card); border: 1px solid var(--cor-card-borda);
  border-radius: 2px; padding: .8rem 1.5rem; margin: 0 0 2.5rem;
  box-shadow: 0 2px 10px rgba(58,123,191,.1);
}
.badge-nota { font-family: 'Cormorant Garamond', serif; font-size: 2.8rem; font-weight: 300; color: var(--cor-acento); line-height: 1; }
.badge-label { font-size: .82rem; color: var(--cor-texto-suave); line-height: 1.5; text-align: left; }
.badge-label strong { display: block; color: var(--cor-texto); }
.prova-cta-wrap { margin-top: 2.5rem; }

/* =====================================================================
   CTA FINAL
   ===================================================================== */
.panel-cta {
  padding: 6rem 2rem; text-align: center;
  border-top: 1px solid var(--cor-card-borda);
}
.cta-inner { max-width: 560px; margin: 0 auto; }
.cta-eyebrow { display: block; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--cor-acento); margin-bottom: 1.2rem; }
.cta-titulo { font-family: 'Cormorant Garamond', serif; font-size: clamp(1.8rem, 3vw, 2.6rem); margin: 0 0 1.5rem; color: var(--cor-texto); }
.cta-titulo em { font-style: italic; color: var(--cor-acento); }
.cta-info { font-size: .85rem; color: var(--cor-texto-suave); line-height: 1.9; margin: 2rem 0 0; }
.disclaimer { display: block; font-size: .72rem; color: rgba(90,106,120,.45); margin-top: 3rem; letter-spacing: .06em; }