/* ==========================================================================
   Sampaio Odontologia — folha de estilos
   Paleta extraída da logo real: tinta escura + taupe/mocha + dourado discreto
   Tipografia: Playfair Display (títulos) + Inter (texto)
   ========================================================================== */

:root {
  /* Paleta extraída diretamente da logo real (Sampaio Odontologia) */
  --color-primary: #332D25;        /* tinta escura (ink) — títulos, texto, botão primário */
  --color-primary-light: #4A4235;
  --color-primary-dark: #241F19;   /* seções escuras / rodapé, derivado do tom da logo */
  --color-brand: #8F8476;          /* taupe/mocha exato da logo — bordas, detalhes, hover */
  --color-accent: #B08D57;         /* dourado/bege discreto de destaque */
  --color-accent-dark: #8F6F3E;
  --color-bg: #FAF6EF;             /* off-white quente, harmoniza com o taupe da marca */
  --color-bg-alt: #F1E9D8;         /* tom quente levemente mais escuro para seções alternadas */
  --color-white: #FFFFFF;
  --color-text: #332D25;
  --color-text-muted: #6E6355;
  --color-border: #E4D9C4;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(51, 45, 37, 0.08);
  --shadow-md: 0 10px 30px rgba(51, 45, 37, 0.14);
  --transition: 0.25s ease;
}

/* ---------- Reset básico ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.25; margin: 0 0 .5em; color: var(--color-primary); }
p { margin: 0 0 1em; color: var(--color-text-muted); }
button { font-family: inherit; cursor: pointer; }

/* Acessibilidade: navegação por teclado e contraste de foco */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 20px;
  z-index: 999;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: .75em;
}
.eyebrow--light { color: var(--color-accent); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: 10px 18px; font-size: .85rem; }
.btn--lg { padding: 16px 34px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--primary { background: var(--color-primary); color: var(--color-white); }
.btn--primary:hover { background: var(--color-primary-light); }

.btn--accent { background: var(--color-accent); color: var(--color-primary-dark); }
.btn--accent:hover { background: var(--color-accent-dark); color: var(--color-white); }

.btn--ghost-light { border-color: rgba(255,255,255,.6); color: var(--color-white); }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); border-color: var(--color-white); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(251, 249, 245, 0.96);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.logo { display: flex; align-items: center; }
.logo__img { height: 38px; width: auto; }

.nav__list { display: flex; gap: 34px; }
.nav__link {
  font-size: .92rem;
  font-weight: 500;
  color: var(--color-primary);
  position: relative;
  padding: 6px 0;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 18px; }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: transparent;
  border: none;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#topo { position: relative; top: -82px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 82px;
  overflow: hidden;
  background: var(--color-primary-dark);
}
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(36,31,25,.78) 0%, rgba(36,31,25,.58) 45%, rgba(36,31,25,.92) 100%);
}
.hero__content { position: relative; z-index: 2; max-width: 720px; padding-top: 60px; padding-bottom: 80px; }
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--color-white);
  margin-bottom: .4em;
}
.hero__subtitle { color: rgba(255,255,255,.85); font-size: 1.1rem; max-width: 560px; margin-bottom: 2em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Seções genéricas ---------- */
.section { padding: 110px 0; }
.section--muted { background: var(--color-bg-alt); }
.section--dark { background: var(--color-primary-dark); }
.section--dark h3 { color: var(--color-white); }
.section--dark p { color: rgba(255,255,255,.75); }

.section__head { max-width: 680px; margin: 0 auto 60px; text-align: center; }
.section__head--light h2 { color: var(--color-white); }
.section__lead { font-size: 1.05rem; }

/* ---------- Sobre ---------- */
.about {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}
.img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-primary) 100%);
  box-shadow: var(--shadow-md);
  position: relative;
}
.img-frame img { width: 100%; height: 100%; object-fit: cover; }
.img-frame--empty::after {
  content: 'Foto do consultório (substituir)';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.8);
  font-size: .85rem;
  text-align: center;
  padding: 20px;
}
.about__values { margin-top: 1.6em; display: flex; flex-direction: column; gap: 14px; }
.about__values li { padding-left: 26px; position: relative; color: var(--color-text-muted); }
.about__values li::before {
  content: '';
  position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}
.about__values strong { color: var(--color-primary); }

/* ---------- Especialistas ---------- */
.specialists { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.specialist-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.specialist-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.specialist-card__photo { aspect-ratio: 4 / 5; background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-primary) 100%); position: relative; }
.specialist-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.specialist-card__photo.photo-placeholder::after {
  content: 'Foto profissional (substituir)';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.8); font-size: .85rem; text-align: center; padding: 20px;
}
.specialist-card__body { padding: 32px; }
.specialist-card__body h3 { margin-bottom: .2em; }
.specialist-card__cro { color: var(--color-accent-dark); font-weight: 600; font-size: .88rem; margin-bottom: .3em; }
.specialist-card__specialty { color: var(--color-primary); font-weight: 500; font-size: .92rem; margin-bottom: 1em; }

/* ---------- Serviços ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.service-card__icon {
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  margin-bottom: 20px;
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.08rem; margin-bottom: .4em; }
.service-card p { font-size: .92rem; margin-bottom: 0; }

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.diff-card { text-align: center; padding: 10px; }
.diff-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 68px; height: 68px;
  border-radius: 50%;
  border: 1px solid rgba(176, 141, 87, .4);
  color: var(--color-accent);
  margin-bottom: 22px;
}
.diff-card__icon svg { width: 30px; height: 30px; }
.diff-card h3 { font-size: 1.1rem; }

/* ---------- Localização ---------- */
.location { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: stretch; }
.location__address { font-style: normal; color: var(--color-text-muted); margin-bottom: 1.6em; font-size: 1.05rem; }
.location__hours { background: var(--color-white); border-radius: var(--radius-md); padding: 26px; margin-bottom: 1.8em; box-shadow: var(--shadow-sm); }
.location__hours h3 { font-size: 1rem; margin-bottom: .8em; }
.location__hours ul { display: flex; flex-direction: column; gap: 10px; }
.location__hours li { display: flex; justify-content: space-between; font-size: .95rem; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); padding-bottom: 8px; }
.location__hours li:last-child { border-bottom: none; padding-bottom: 0; }
.location__note { font-size: .8rem; color: var(--color-accent-dark); margin: 12px 0 0; }
.location__map { border-radius: var(--radius-lg); overflow: hidden; min-height: 380px; box-shadow: var(--shadow-md); }
.location__map iframe { width: 100%; height: 100%; min-height: 380px; }

/* ---------- Contato ---------- */
.contact__grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; }
.contact__form { background: var(--color-white); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-sm); }
.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-size: .85rem; font-weight: 600; color: var(--color-primary); margin-bottom: 8px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--color-accent); }
.form-note { font-size: .78rem; color: var(--color-text-muted); text-align: center; margin: 12px 0 0; }

.contact-list { display: flex; flex-direction: column; gap: 22px; }
.contact-list__label { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-accent-dark); font-weight: 600; margin-bottom: 4px; }
.contact-list a:hover { color: var(--color-accent-dark); }

/* ---------- Footer ---------- */
.footer { background: var(--color-primary-dark); color: rgba(255,255,255,.75); padding-top: 70px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer .logo__img { height: 42px; }
.footer__brand p { margin-top: 16px; font-size: .9rem; }
.footer__col h4 { color: var(--color-white); font-family: var(--font-body); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.footer__col p { font-size: .9rem; margin-bottom: .6em; }
.footer__col a:hover { color: var(--color-accent); }
.footer__social { display: flex; gap: 14px; }
.footer__social a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  color: var(--color-white);
  transition: border-color var(--transition), color var(--transition);
}
.footer__social a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0; margin-top: 10px; }
.footer__bottom p { font-size: .8rem; margin: 0; text-align: center; color: rgba(255,255,255,.55); }

/* ---------- Botão flutuante WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 600;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
  .about__media { max-width: 420px; margin: 0 auto; }
  .location { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .nav {
    position: fixed;
    top: 82px; left: 0; right: 0; bottom: 0;
    background: var(--color-bg);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; gap: 0; padding: 20px 24px; }
  .nav__list li { border-bottom: 1px solid var(--color-border); }
  .nav__link { display: block; padding: 18px 0; font-size: 1.05rem; }
  .nav__toggle { display: flex; }
  .header__actions .btn--sm { display: none; }

  .specialists { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; text-align: left; }
  .section { padding: 70px 0; }
  .hero { min-height: auto; padding-bottom: 40px; }
}

@media (max-width: 480px) {
  .hero__cta { flex-direction: column; align-items: stretch; }
  .contact__form { padding: 26px; }
  .whatsapp-float { width: 54px; height: 54px; bottom: 16px; right: 16px; }
}