/* ===== Liu Podologia — estilos ===== */

:root {
  --white: #ffffff;
  --bg-alt: #F4F8F6;

  --primary: #1B2A56;
  --primary-dark: #101a3d;
  --primary-light: #34447c;

  --accent: #0E6B3A;
  --accent-dark: #0b4524;
  --accent-light: #E7F4EC;

  --text: #212637;
  --text-muted: #576079;

  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 26, 61, 0.12);
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--primary);
  line-height: 1.2;
  margin: 0 0 .5rem;
}

h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1rem; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: var(--white);
  padding: 10px 16px;
  z-index: 999;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
}

/* ===== Botões (regras de contraste WCAG AA) ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.97); }

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

.btn-outline-light {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.65);
}
.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.btn-outline-primary {
  background: rgba(27,42,86,0.06);
  color: var(--primary);
  border-color: rgba(27,42,86,0.5);
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 500;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 18px rgba(16,26,61,0.08);
  transition: box-shadow var(--transition);
}
.site-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(16,26,61,0.16);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
  transition: height var(--transition);
}
.site-header.is-scrolled .header-inner { height: 66px; }

.brand { display: flex; align-items: center; height: 100%; }
.brand-logo { height: 48px; width: auto; transition: height var(--transition), transform var(--transition); }
.site-header.is-scrolled .brand-logo { height: 40px; }
.brand:hover .brand-logo { transform: scale(1.04); }

.main-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  font-weight: 600;
  font-size: .95rem;
  color: var(--primary);
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.main-nav a:hover::after,
.main-nav a:focus-visible::after { width: 100%; }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 100%;
  height: 2px;
  background: var(--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); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 76px;
  color: var(--white);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/hero-pegadas.jpg');
  background-size: cover;
  background-position: center;
  animation: heroZoom 12s ease-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.12); }
  to { transform: scale(1); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(16,26,61,0.90) 20%, rgba(11,69,36,0.72) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.hero h1 {
  color: var(--white);
  background: linear-gradient(115deg, #5EEAA7 0%, #4ADE80 28%, #4FA9F7 68%, #93C5FD 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.35));
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  margin-bottom: .5rem;
  animation: fadeUp .8s ease both;
  animation-delay: .1s;
}
.hero h2 {
  color: var(--white);
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  font-weight: 500;
  font-family: var(--font-body);
  margin-bottom: 1.3rem;
  animation: fadeUp .8s ease both;
  animation-delay: .25s;
}
.hero-text {
  color: rgba(255,255,255,0.88);
  font-size: 1.15rem;
  max-width: 600px;
  animation: fadeUp .8s ease both;
  animation-delay: .4s;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 1.6rem;
  animation: fadeUp .8s ease both;
  animation-delay: .55s;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Sections genéricas ===== */
.section { padding: 90px 0; scroll-margin-top: 76px; }
#sobre, #localizacao { scroll-margin-top: 76px; }
.section-alt { background: var(--bg-alt); }

.section-head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.section-lead { color: var(--text-muted); }

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: .5rem;
}

/* ===== Sobre ===== */
.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-height: 560px;
}
.about-text .eyebrow { text-align: left; }
.about-highlights {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 12px;
}
.about-highlights li {
  padding-left: 30px;
  position: relative;
  font-weight: 600;
  color: var(--primary);
  transition: transform var(--transition);
}
.about-highlights li:hover { transform: translateX(4px); }
.about-highlights li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 2px solid var(--accent);
  transition: background var(--transition), transform var(--transition);
}
.about-highlights li:hover::before {
  background: var(--accent);
  transform: scale(1.15);
}

/* ===== Serviços ===== */
.services-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
}
.service-card {
  flex: 1 1 300px;
  max-width: 360px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(16,26,61,0.16);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent-dark);
  margin-bottom: 16px;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.service-icon svg { width: 26px; height: 26px; transition: transform var(--transition); }
.service-card:hover .service-icon {
  background: var(--accent);
  color: var(--white);
  transform: scale(1.08) rotate(-6deg);
}
.service-card h3 { margin-bottom: .4rem; }
.service-card p { color: var(--text-muted); margin: 0; font-size: .95rem; }

/* stagger de entrada nos cards de serviço */
.services-grid .service-card:nth-child(1) { transition-delay: .03s; }
.services-grid .service-card:nth-child(2) { transition-delay: .1s; }
.services-grid .service-card:nth-child(3) { transition-delay: .17s; }
.services-grid .service-card:nth-child(4) { transition-delay: .24s; }
.services-grid .service-card:nth-child(5) { transition-delay: .31s; }

/* ===== Diferenciais (fundo fixo/parallax) ===== */
.section-parallax {
  position: relative;
  background-image: url('../assets/diferenciais-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-color: var(--primary-dark);
  overflow: hidden;
}
.parallax-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(16,26,61,0.88) 15%, rgba(11,69,36,0.65) 100%);
  z-index: 0;
}
.section-parallax > .container {
  position: relative;
  z-index: 1;
}
.section-parallax .eyebrow { color: #7CD9A6; }
.section-parallax h2 { color: var(--white); }
.section-parallax .section-lead { color: rgba(255,255,255,0.85); }

.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.diff-card {
  position: relative;
  background: linear-gradient(155deg, rgba(255,255,255,0.16), rgba(255,255,255,0.06));
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: left;
  box-shadow: 0 8px 32px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.25);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
.diff-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.35), transparent 45%);
  opacity: .6;
  pointer-events: none;
}
.diff-card:hover {
  transform: translateY(-6px);
  background: linear-gradient(155deg, rgba(255,255,255,0.24), rgba(255,255,255,0.1));
  box-shadow: 0 20px 44px rgba(0,0,0,0.38), inset 0 1px 0 rgba(255,255,255,0.35);
  border-color: rgba(255,255,255,0.55);
}
.diff-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--white);
  margin-bottom: 14px;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.diff-icon svg { width: 22px; height: 22px; }
.diff-card:hover .diff-icon {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: scale(1.08) rotate(-6deg);
}
.diff-card h3 {
  position: relative;
  color: var(--white);
}
.diff-card p {
  position: relative;
  color: rgba(255,255,255,0.82);
  font-size: .95rem;
  margin: 0;
}

/* stagger de entrada nos diferenciais */
.diff-grid .diff-card:nth-child(1) { transition-delay: .03s; }
.diff-grid .diff-card:nth-child(2) { transition-delay: .1s; }
.diff-grid .diff-card:nth-child(3) { transition-delay: .17s; }
.diff-grid .diff-card:nth-child(4) { transition-delay: .24s; }

/* ===== FAQ ===== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: var(--white);
  border: 1px solid rgba(27,42,86,0.1);
  border-radius: var(--radius);
  padding: 6px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.faq-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(27,42,86,0.04);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--font-heading);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { flex: 1; }
.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-item p {
  color: var(--text-muted);
  margin: 0 0 20px;
  font-size: .96rem;
  animation: faqOpen .35s ease;
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* stagger de entrada no FAQ */
.faq-list .faq-item:nth-child(1) { transition-delay: .03s; }
.faq-list .faq-item:nth-child(2) { transition-delay: .09s; }
.faq-list .faq-item:nth-child(3) { transition-delay: .15s; }
.faq-list .faq-item:nth-child(4) { transition-delay: .21s; }
.faq-list .faq-item:nth-child(5) { transition-delay: .27s; }
.faq-list .faq-item:nth-child(6) { transition-delay: .33s; }

/* ===== Localização / Contato ===== */
.section-contact {
  position: relative;
  background: var(--primary);
  color: var(--white);
  overflow: hidden;
}
.contact-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/textura-pes.jpg');
  background-size: cover;
  background-position: center;
  opacity: .16;
}
.section-contact .eyebrow { color: #7CD9A6; }
.section-contact h2 { color: var(--white); }
.section-contact .section-lead { color: rgba(255,255,255,0.82); }

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: stretch;
}

.contact-card {
  background: var(--white);
  color: var(--text);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-card h3 { margin-bottom: 1.2rem; }
.contact-list {
  list-style: none;
  margin: 0 0 1.8rem;
  padding: 0;
  display: grid;
  gap: 16px;
}
.contact-list li { display: flex; flex-direction: column; gap: 2px; }
.contact-label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent-dark);
  font-weight: 700;
}
.contact-list a:hover { color: var(--accent); }

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 340px;
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo-badge {
  display: inline-flex;
  align-items: center;
  background: var(--white);
  padding: 10px 16px;
  border-radius: 10px;
  margin-bottom: 14px;
}
.footer-logo {
  height: 34px;
  width: auto;
}
.footer-brand p { color: rgba(255,255,255,0.7); font-size: .92rem; }
.footer-col h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: .92rem; }
.footer-col a:hover { color: #7CD9A6; }

.footer-bottom {
  padding: 20px 24px;
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,0.6);
}

/* ===== WhatsApp flutuante (fixo, discreto, sem animação) ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  z-index: 400;
}
.whatsapp-float svg { width: 28px; height: 28px; fill: var(--white); }
.whatsapp-float {
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  background: #1ebe57;
  transform: scale(1.07);
  box-shadow: 0 8px 22px rgba(0,0,0,0.3);
}
.whatsapp-float:active { transform: scale(.96); }

/* ===== Animação de entrada suave ===== */
.fade-init {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-init.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsivo ===== */
@media (max-width: 960px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; max-width: 420px; margin: 0 auto; }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 10px 20px rgba(16,26,61,0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.open { max-height: 400px; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 24px 20px;
  }
  .main-nav li { border-bottom: 1px solid rgba(27,42,86,0.08); }
  .main-nav a { display: block; padding: 14px 0; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .diff-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}

/* ===== Acessibilidade: respeita preferência por menos movimento ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}