/* ============================================================
   Vision Center — Clínica Oftalmológica | Porto Velho, RO
   Design sóbrio, acessível (público 50+) e performático.
   Sem degradês. Sem animações pesadas.
   ============================================================ */

:root {
  /* Marca */
  --azul: #17639e;          /* primário */
  --azul-hover: #125180;
  --azul-ceu: #2e9bd6;      /* azul do logotipo (detalhes) */
  --marinho: #0f2d47;       /* títulos / rodapé / hero interno */
  --marinho-2: #0b2236;
  --tinta: #eaf3fa;         /* fundo de seção suave */
  --tinta-2: #f5f9fc;

  /* WhatsApp */
  --whats: #128c43;
  --whats-hover: #0e7034;

  /* Neutros */
  --texto: #22303c;
  --texto-suave: #48586a;
  --branco: #ffffff;
  --borda: #d7e3ee;
  --sombra: 0 6px 24px rgba(15, 45, 71, 0.08);
  --sombra-leve: 0 2px 10px rgba(15, 45, 71, 0.06);

  /* Formas */
  --raio: 12px;
  --raio-pq: 8px;
  --container: 1140px;

  /* Tipografia */
  --fonte: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--fonte);
  font-size: 1.125rem;          /* 18px — leitura confortável para 50+ */
  line-height: 1.65;
  color: var(--texto);
  background: var(--branco);
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  color: var(--marinho);
  line-height: 1.25;
  margin: 0 0 0.6em;
  font-weight: 600;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }
h2 { font-size: clamp(1.55rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1rem; }

a { color: var(--azul); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--azul-hover); }

ul { padding-left: 1.2em; }

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

/* ---------- Utilitários ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
@media (max-width: 620px) {
  .container { padding-inline: 24px; }
}

.section { padding: 64px 0; }
.section--tinta { background: var(--tinta-2); }
.section--azul-fundo { background: var(--tinta); }

.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head--centro { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--azul);
  margin-bottom: 10px;
}

.lead { font-size: 1.2rem; color: var(--texto-suave); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 200;
  background: var(--marinho);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--raio-pq);
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; color: #fff; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 14px 26px;
  border: 2px solid transparent;
  border-radius: 10px;
  font-family: var(--fonte);
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn svg { flex: 0 0 auto; }

.btn--azul { background: var(--azul); color: #fff; }
.btn--azul:hover { background: var(--azul-hover); color: #fff; }

.btn--whats { background: var(--whats); color: #fff; }
.btn--whats:hover { background: var(--whats-hover); color: #fff; }

.btn--contorno { background: transparent; border-color: var(--azul); color: var(--azul); }
.btn--contorno:hover { background: var(--azul); color: #fff; }

.btn--contorno-branco { background: transparent; border-color: #fff; color: #fff; }
.btn--contorno-branco:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }

.btn--bloco { width: 100%; }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--branco);
  border-bottom: 1px solid var(--borda);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand__logo { height: 56px; width: auto; display: block; }
@media (max-width: 620px) {
  .brand__logo { height: 48px; }
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav a.nav__link {
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--raio-pq);
  color: var(--texto);
  font-weight: 500;
  font-size: 1.02rem;
  text-decoration: none;
}
.nav a.nav__link:hover { background: var(--tinta); color: var(--marinho); }
.nav a.nav__link[aria-current="page"] {
  color: var(--azul);
  font-weight: 600;
  box-shadow: inset 0 -3px 0 var(--azul-ceu);
  border-radius: 0;
}
.nav .btn { margin-left: 10px; min-height: 48px; padding: 10px 20px; font-size: 1rem; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--branco);
  border: 2px solid var(--borda);
  border-radius: var(--raio-pq);
  min-height: 50px;
  padding: 10px 16px;
  font-family: var(--fonte);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--marinho);
  cursor: pointer;
}
.nav-toggle__barras, .nav-toggle__barras::before, .nav-toggle__barras::after {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--marinho);
  border-radius: 2px;
  position: relative;
  content: "";
}
.nav-toggle__barras::before { position: absolute; top: -7px; }
.nav-toggle__barras::after { position: absolute; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__barras { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__barras::before { transform: rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__barras::after { transform: rotate(-45deg); top: 0; }

@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    inset: 100% 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--branco);
    border-bottom: 2px solid var(--borda);
    padding: 16px 20px 22px;
    box-shadow: var(--sombra);
  }
  .nav[data-aberta="true"] { display: flex; }
  .nav a.nav__link { padding: 14px 12px; font-size: 1.12rem; border-bottom: 1px solid var(--tinta); }
  .nav a.nav__link[aria-current="page"] { box-shadow: none; border-left: 4px solid var(--azul-ceu); border-radius: var(--raio-pq); background: var(--tinta); }
  .nav .btn { margin: 12px 0 0; min-height: 54px; }
}

/* ---------- Hero (home) ---------- */
.hero { background: var(--tinta-2); border-bottom: 1px solid var(--borda); }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding-block: 56px;
}
.hero h1 { margin-bottom: 18px; }
.hero h1 .destaque { color: var(--azul); }
.hero__acoes { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 22px; }
.hero__selos { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 0; margin: 0; list-style: none; }
.hero__selos li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--marinho);
}
.hero__selos svg { color: var(--azul); flex: 0 0 auto; }
.hero__foto { position: relative; }
.hero__foto img {
  width: 100%;
  border-radius: var(--raio);
  border: 1px solid var(--borda);
  box-shadow: var(--sombra);
}
.hero__crm {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio-pq);
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--marinho);
  box-shadow: var(--sombra-leve);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 32px; padding-block: 40px; }
}

/* ---------- Hero interno ---------- */
.page-hero {
  background: var(--marinho);
  color: #dbe9f5;
  padding: 56px 0;
}
.page-hero h1 { color: #fff; }
.page-hero .eyebrow { color: var(--azul-ceu); }
.page-hero .lead { color: #c4d8ea; margin-bottom: 0; }
.page-hero .hero__acoes { margin-bottom: 0; }

.breadcrumb {
  font-size: 0.92rem;
  margin-bottom: 14px;
  color: #9fbdd6;
}
.breadcrumb a { color: #cfe4f5; }
.breadcrumb span[aria-current] { color: #fff; font-weight: 500; }

/* ---------- Faixa de números ---------- */
.stats { background: var(--marinho); color: #fff; }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-block: 44px;
}
.stat { text-align: center; }
.stat__numero {
  display: block;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700;
  color: #fff;
}
.stat__rotulo { font-size: 0.98rem; color: #b9cfe2; }

@media (max-width: 820px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
}

/* ---------- Grids e cards ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 980px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 26px;
  box-shadow: var(--sombra-leve);
}
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }

.card--servico { border-top: 4px solid var(--azul-ceu); }
.card__icone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--tinta);
  color: var(--azul);
  margin-bottom: 14px;
}

.media-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}
.media-card img {
  border-radius: var(--raio);
  border: 1px solid var(--borda);
  box-shadow: var(--sombra-leve);
}
@media (max-width: 900px) {
  .media-card { grid-template-columns: 1fr; gap: 28px; }
  .media-card--invertida .media-card__img { order: -1; }
}

/* ---------- Listas com check ---------- */
.lista-check { list-style: none; padding: 0; margin: 0 0 1rem; }
.lista-check li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 10px;
}
.lista-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--tinta) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2317639e" stroke-width="3.2" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6 9 17l-5-5"/></svg>') center / 12px no-repeat;
}

/* ---------- Depoimentos ---------- */
.depoimento { display: flex; flex-direction: column; gap: 14px; }
.depoimento__texto { font-size: 1.08rem; font-style: italic; margin: 0; }
.depoimento__autor { font-weight: 600; color: var(--azul); font-style: normal; }
.depoimento__estrelas { color: #e9a13b; letter-spacing: 3px; font-size: 1.05rem; }

/* ---------- Convênios ---------- */
.pills { display: flex; flex-wrap: wrap; gap: 12px; list-style: none; padding: 0; margin: 0; }
.pills li {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 500;
  color: var(--marinho);
  box-shadow: var(--sombra-leve);
}

/* ---------- Timeline ---------- */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  position: relative;
  padding: 0 0 30px 30px;
  border-left: 3px solid var(--tinta);
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--azul-ceu);
  border: 3px solid var(--branco);
  box-shadow: 0 0 0 2px var(--azul-ceu);
}
.timeline__ano {
  display: inline-block;
  font-weight: 700;
  color: var(--azul);
  font-size: 1.15rem;
  margin-bottom: 2px;
}
.timeline h3 { margin-bottom: 4px; }
.timeline p { margin-bottom: 0; color: var(--texto-suave); }

/* ---------- Citação ---------- */
.citacao {
  border-left: 5px solid var(--azul-ceu);
  background: var(--tinta-2);
  border-radius: 0 var(--raio) var(--raio) 0;
  padding: 26px 30px;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--marinho);
  margin: 0;
}
.citacao footer { font-size: 1rem; font-style: normal; color: var(--texto-suave); margin-top: 10px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; }
.faq details {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  box-shadow: var(--sombra-leve);
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--marinho);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--tinta);
  color: var(--azul);
  font-size: 1.4rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq details[open] summary { border-bottom: 1px solid var(--tinta); }
.faq .faq__resposta { padding: 18px 24px 22px; color: var(--texto-suave); }
.faq .faq__resposta p:last-child { margin-bottom: 0; }

/* ---------- Banner CTA ---------- */
.cta-banner {
  background: var(--marinho);
  color: #dcebf7;
  border-radius: var(--raio);
  padding: 48px 40px;
  text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { max-width: 640px; margin-inline: auto; }
.cta-banner .hero__acoes { justify-content: center; margin-bottom: 8px; }

/* ---------- Formulário ---------- */
.form { display: grid; gap: 18px; }
.form__linha { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
@media (max-width: 620px) { .form__linha { grid-template-columns: 1fr; } }

.campo { display: grid; gap: 7px; }
.campo label { font-weight: 600; color: var(--marinho); font-size: 1.02rem; }
.campo label .opcional { font-weight: 400; color: var(--texto-suave); font-size: 0.9rem; }
.campo input,
.campo select,
.campo textarea {
  font-family: var(--fonte);
  font-size: 1.08rem;
  color: var(--texto);
  background: var(--branco);
  border: 2px solid var(--borda);
  border-radius: var(--raio-pq);
  padding: 13px 16px;
  min-height: 54px;
  width: 100%;
}
.campo textarea { min-height: 150px; resize: vertical; }
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--azul-ceu);
  box-shadow: 0 0 0 3px rgba(46, 155, 214, 0.25);
}
.form__nota { font-size: 0.95rem; color: var(--texto-suave); margin: 0; }

/* ---------- Bloco de contato ---------- */
.contato-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.contato-item:last-child { margin-bottom: 0; }
.contato-item .card__icone { margin-bottom: 0; }
.contato-item h3 { margin-bottom: 2px; }
.contato-item p { margin-bottom: 2px; }
.contato-item a { font-weight: 600; font-size: 1.1rem; }

.horarios { width: 100%; border-collapse: collapse; }
.horarios td { padding: 12px 4px; border-bottom: 1px solid var(--borda); }
.horarios tr:last-child td { border-bottom: 0; }
.horarios td:last-child { text-align: right; font-weight: 600; color: var(--marinho); }

/* ---------- Rodapé ---------- */
.site-footer {
  background: var(--marinho-2);
  color: #b9cfe2;
  padding: 56px 0 0;
  font-size: 1rem;
}
.site-footer a { color: #dcebf7; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
.site-footer h2, .site-footer h3 {
  color: #fff;
  font-size: 1.08rem;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer__marca p { margin-bottom: 6px; }
.site-footer__crm {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--raio-pq);
  font-size: 0.92rem;
  color: #dcebf7;
}
.site-footer__barra {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 20px 0;
  font-size: 0.92rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}
@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Botão flutuante WhatsApp ---------- */
.whats-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--whats);
  color: #fff;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(18, 140, 67, 0.35);
  border: 2px solid #fff;
  transition: background-color 0.15s ease;
}
.whats-float:hover { background: var(--whats-hover); color: #fff; }
.whats-float svg { flex: 0 0 auto; }
@media (max-width: 620px) {
  .whats-float { padding: 16px; }
  .whats-float .whats-float__texto { display: none; }
}

/* ---------- Acessibilidade de movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- Utilidades finais ---------- */
.texto-centro { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}