/* ============================================
   NEXA Laboratório Popular — Design System
   ============================================ */

/* ---------- CSS Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Design Tokens ---------- */
:root {
  /* Color Palette */
  --primary: #791F18;
  --primary-container: #99362C;
  --on-primary: #ffffff;
  --on-primary-container: #ffbeb5;
  --nexa-accent: #BF4C41;

  --surface: #FFF8F7;
  --surface-warm: #FAF7F4;
  --surface-container: #FEE9E9;
  --surface-container-low: #FFF0F0;
  --surface-container-high: #F8E4E3;
  --surface-container-highest: #F2DEDD;

  --on-surface: #231919;
  --on-surface-variant: #56423F;
  --outline: #8A716E;
  --outline-variant: #DDC0BC;

  --dark-bg: #3B2F2F;
  --dark-text-muted: #C8BEB8;
  --dark-text-light: #DDC0BC;
  --dark-text-lightest: #F8E4E3;

  --error: #BA1A1A;
  --white: #ffffff;

  /* Typography */
  --font-headline: 'Montserrat', sans-serif;
  --font-nav: 'Epilogue', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-label: 'Plus Jakarta Sans', sans-serif;
  --font-ui: 'Poppins', sans-serif;
  --font-desc: 'DM Sans', sans-serif;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 1.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Layout */
  --max-width: 80rem;   /* 1280px */
  --max-width-sm: 64rem; /* 1024px */
  --max-width-narrow: 48rem;

  /* Performance: force GPU compositing on animated elements */
  --gpu-hint: translateZ(0);
}

/* ---------- Typography Imports ---------- */
/* Already loaded in HTML head */

body {
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  overscroll-behavior: none;
}

::selection {
  background-color: var(--primary-container);
  color: var(--white);
}

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

/* Material Symbols */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  vertical-align: middle;
}

/* Image Placeholders */
img[src=""] {
  background-color: var(--surface-container-highest);
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

img[src=""]::after {
  content: 'Imagem pendente';
  display: block;
  font-size: 0.8rem;
  color: var(--on-surface-variant);
  opacity: 0.5;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.container--sm {
  max-width: var(--max-width-sm);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-normal);
}

.nav.scrolled {
  background-color: var(--surface);
  border-bottom: 1px solid rgba(221, 192, 188, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-8);
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__logo-branca { display: block; height: 48px; width: auto; }
.nav__logo-vermelha { display: none; height: 48px; width: auto; }
.nav.scrolled .nav__logo-branca { display: none; }
.nav.scrolled .nav__logo-vermelha { display: block; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding-bottom: 4px;
}

.nav__link {
  font-family: var(--font-nav);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  transition: color var(--transition-normal);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--nexa-accent);
  transition: width var(--transition-normal);
}

.nav.scrolled .nav__link::after {
  background-color: var(--primary-container);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--white);
}

.nav__link--active {
  color: var(--nexa-accent);
  font-weight: 700;
}

.nav.scrolled .nav__link {
  color: var(--on-surface-variant);
}

.nav.scrolled .nav__link:hover {
  color: var(--primary);
}

.nav.scrolled .nav__link--active {
  color: var(--primary-container);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__cta {
  background-color: var(--nexa-accent);
  border: 2px solid transparent; /* Adicionado para igualar tamanho ao cta--secondary */
  color: var(--white);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

.nav__cta:hover {
  background-color: var(--primary);
  transform: scale(1.05);
}

.nav__cta--secondary {
  background-color: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

.nav__cta--secondary:hover {
  background-color: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.nav.scrolled .nav__cta {
  background-color: var(--primary-container);
  border: 1px solid transparent;
}

.nav.scrolled .nav__cta:hover {
  background-color: var(--primary);
}

.nav.scrolled .nav__cta--secondary {
  background-color: transparent;
  border: 2px solid var(--primary-container);
  color: var(--primary-container);
}

.nav.scrolled .nav__cta--secondary:hover {
  background-color: var(--primary-container);
  color: var(--white);
}

.nav__cta:active {
  transform: scale(0.95);
}

/* Mobile Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: var(--space-2);
  z-index: 200;
  position: relative;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--white);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.nav.scrolled .nav__hamburger span {
  background-color: var(--on-surface);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu Overlay */
.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(59, 47, 47, 0.97);
  z-index: 150;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.nav__mobile-menu.active {
  opacity: 1;
  pointer-events: all;
}


.nav__mobile-menu a {
  font-family: var(--font-nav);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-text-lightest);
  transition: color var(--transition-normal);
}

.nav__mobile-menu a:hover {
  color: var(--nexa-accent);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--primary);
  padding: 14rem var(--space-8) 16rem;
}

.hero__circle {
  background-color: rgba(153, 54, 44, 0.4);
  filter: blur(80px);
  border-radius: 50%;
  position: absolute;
  z-index: 0;
  contain: strict;
  will-change: auto;
}

.hero__circle--1 {
  width: 500px;
  height: 500px;
  top: -16rem;
  left: -2rem;
}

.hero__circle--2 {
  width: 400px;
  height: 400px;
  bottom: -2rem;
  right: -2rem;
}

.hero__content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.hero__text {
  max-width: 640px;
}

.hero__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: var(--space-6);
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero__title span {
  color: #ffb4a9;
}

.hero__subtitle {
  font-family: var(--font-desc);
  color: var(--dark-text-lightest);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-10);
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__btn--primary {
  background-color: var(--primary-container);
  color: var(--white);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-normal);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.hero__btn--primary:hover {
  background-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.hero__btn--secondary {
  border: 2px solid var(--white);
  color: var(--white);
  background-color: transparent;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(4px);
}

.hero__btn--secondary:hover {
  background-color: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

.hero__image {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  width: 100%;
  opacity: 0.4;
  pointer-events: none;
}

.hero__image picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  mix-blend-mode: overlay;
}

/* ... skipping down to wa-popup ... */

.wa-popup__footer {
  padding: var(--space-4) var(--space-5);
  background-color: var(--white);
  border-top: 1px solid rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.wa-popup__start {
  width: 100%;
  background-color: #25D366;
  color: var(--white);
  padding: var(--space-3) 0;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.wa-popup__start:hover {
  background-color: #128C7E;
  transform: translateY(-1px);
}

.wa-popup__resultados {
  width: 100%;
  background-color: var(--surface-container-high);
  color: var(--on-surface);
  padding: var(--space-3) 0;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.wa-popup__resultados:hover {
  background-color: var(--outline-variant);
}

/* ============================================
   STATS BAR
   ============================================ */
.stats {
  max-width: var(--max-width-sm);
  margin: -4rem auto 0;
  position: relative;
  z-index: 20;
  padding: 0 var(--space-8);
}

.stats__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background-color: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8);
  border: 1px solid rgba(221, 192, 188, 0.1);
}

.stats__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
}

.stats__item:not(:last-child) {
  border-right: 1px solid rgba(221, 192, 188, 0.2);
}

.stats__icon {
  color: var(--primary-container);
  font-size: 2.25rem;
}

.stats__title {
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--on-surface);
  font-size: 1rem;
}

.stats__desc {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

/* ============================================
   EXAMES SECTION
   ============================================ */
.exames {
  padding: var(--space-24) var(--space-8);
  background-color: var(--surface-warm);
  position: relative;
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: auto 2000px;
}

.exames__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.exames__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  color: var(--on-surface);
}

.exames__subtitle {
  font-family: var(--font-desc);
  color: var(--on-surface-variant);
  margin-top: var(--space-4);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* Controls (Tabs & Search) */
.exames__controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto var(--space-8);
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .exames__controls {
    flex-direction: column;
    align-items: stretch;
  }
}

.exames__tabs {
  width: calc(30% - (var(--space-4) / 2));
  display: flex;
}

.exames__tabs-inner {
  display: flex;
  width: 100%;
  background-color: var(--dark-bg);
  padding: 4px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.exames__tab {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--dark-text-light);
  background: none;
  transition: all var(--transition-normal);
  white-space: nowrap;
  text-align: center;
}

.exames__tab:hover {
  color: var(--white);
}

.exames__tab--active {
  background-color: var(--primary-container);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

/* Cards Grid */
.exames__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

.exames__card {
  background-color: var(--white);
  padding: var(--space-6);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(221, 192, 188, 0.1);
  box-shadow: var(--shadow-sm);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* Equal height & push button to bottom */
  height: 100%;
  transition: all var(--transition-normal);
}

.exames__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.exames__card-icon {
  width: 4rem;
  height: 4rem;
  background-color: rgba(153, 54, 44, 0.05);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.exames__card-icon .material-symbols-outlined {
  color: var(--primary-container);
  font-size: 1.75rem;
}

.exames__card-name {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--dark-bg);
  margin-bottom: var(--space-1);
}

.exames__card-desc {
  font-family: var(--font-desc);
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-4);
}

.exames__card-price {
  color: var(--primary-container);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: var(--space-4);
}

.exames__card-btn {
  width: 100%;
  background-color: var(--nexa-accent);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: background-color var(--transition-normal);
  margin-top: auto;
}

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

.exames__card-btn .material-symbols-outlined {
  font-size: 0.95rem;
}

/* ============================================
   EXAMES CATEGORIZED LIST
   ============================================ */
.exames-cat {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Search */
.exames-cat__search {
  position: relative;
  width: calc(70% - (var(--space-4) / 2));
}
@media (max-width: 768px) {
  .exames-cat__search, .exames__tabs { width: 100%; }
}

.exames-cat__search-icon {
  position: absolute;
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  font-size: 1.35rem;
  pointer-events: none;
}

.exames-cat__search-input {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) 3.25rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--on-surface);
  background-color: var(--white);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.exames-cat__search-input:focus {
  outline: none;
  border-color: var(--primary-container);
  box-shadow: 0 0 0 3px rgba(153, 54, 44, 0.1), var(--shadow-md);
}

.exames-cat__search-input::placeholder {
  color: var(--outline);
}

/* Category Group */
.exames-cat__group {
  background-color: var(--white);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(221, 192, 188, 0.15);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.exames-cat__group:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

/* Highlighted group (e.g. Toxicológico) */
.exames-cat__group--highlight {
  border-left: 4px solid var(--primary-container);
  background: linear-gradient(135deg, rgba(153, 54, 44, 0.04) 0%, var(--white) 60%);
}

.exames-cat__group--highlight .exames-cat__icon {
  color: var(--primary);
}

.exames-cat__group--highlight .exames-cat__name {
  color: var(--primary);
}

/* Category Header */
.exames-cat__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  background: transparent;
  cursor: default;
}

.exames-cat__header-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  width: 100%;
}

.exames-cat__icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-lg);
  background-color: rgba(153, 54, 44, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary-container);
}

.exames-cat__name {
  font-family: var(--font-headline);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark-bg);
  text-align: left;
}

.exames-cat__count {
  font-family: var(--font-desc);
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  display: block;
  text-align: left;
  margin-top: 2px;
}

.exames-cat__chevron {
  display: none;
}

/* Category Body */
.exames-cat__body {
  padding: 0 var(--space-6);
  display: flex;
  flex-direction: column;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s ease, opacity 0.3s ease, padding 0.3s ease;
}

.exames-cat__group.open .exames-cat__body {
  opacity: 1;
  padding: 0 var(--space-6) var(--space-6);
  border-top: 1px solid rgba(0,0,0,0.05); /* separate body visually from header */
  padding-top: var(--space-4);
  margin-top: var(--space-2);
}

/* Btn Toggle injected by JS */
.exames-cat__toggle-btn {
  background: none;
  border: 1px solid var(--outline-variant);
  color: var(--on-surface-variant);
  width: 100%;
  padding: var(--space-3);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
  align-self: flex-start;
}
.exames-cat__toggle-btn:hover {
  background: var(--surface-container-high);
  color: var(--primary);
  border-color: var(--primary-container);
}

/* Inner grid of pills */
.exames-cat__cards-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding: 0;
}

.exames-cat__card {
  background-color: var(--surface-warm);
  border: 1px solid var(--surface-container-highest);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  box-shadow: none;
  text-align: center;
  display: inline-flex;
}

.exames-cat__card:hover {
  background-color: var(--surface-container-low);
  border-color: var(--primary-container);
  color: var(--primary);
}

.exames-cat__card.highlight {
  background-color: rgba(153, 54, 44, 0.08);
  border-color: var(--primary-container);
  color: var(--primary);
  font-weight: 600;
}

.exames-cat__card.highlight::before {
  opacity: 1;
  background-color: var(--primary);
}

.exames-cat__card.hidden {
  display: none;
}

/* Agendar button inside body */
.exames-cat__agendar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-4) var(--space-6) var(--space-5);
  padding: var(--space-3) var(--space-6);
  background-color: var(--nexa-accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.exames-cat__agendar-btn:hover {
  background-color: var(--primary);
  transform: translateY(-1px);
}

.exames-cat__agendar-btn .material-symbols-outlined {
  font-size: 1rem;
}

/* No results */
.exames-cat__no-results {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--on-surface-variant);
}

.exames-cat__no-results .material-symbols-outlined {
  font-size: 3rem;
  opacity: 0.3;
  display: block;
  margin: 0 auto var(--space-4);
}

.exames-cat__no-results p {
  font-family: var(--font-desc);
  font-size: 1rem;
}

/* Hidden group by search */
.exames-cat__group.cat-hidden {
  display: none;
}

/* ============================================
   CHECK-UP CARDS
   ============================================ */
.checkup__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

.checkup__card {
  background-color: var(--white);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(221, 192, 188, 0.15);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.checkup__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(153, 54, 44, 0.2);
}

.checkup__card-header {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #4a3535 100%);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.checkup__card-icon {
  color: #ffb4a9;
  font-size: 1.75rem;
}

.checkup__card-name {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  line-height: 1.3;
}

.checkup__card-badge {
  display: inline-block;
  background-color: rgba(153, 54, 44, 0.5);
  color: #ffb4a9;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-ui);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.checkup__card-list {
  list-style: none;
  padding: var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.checkup__card-list li {
  font-family: var(--font-desc);
  font-size: 0.82rem;
  color: var(--on-surface-variant);
  padding: 5px 0;
  border-bottom: 1px solid rgba(221, 192, 188, 0.15);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.checkup__card-list li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  min-width: 5px;
  border-radius: 50%;
  background-color: var(--primary-container);
  opacity: 0.7;
}

.checkup__card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(221, 192, 188, 0.15);
  background-color: var(--surface-warm);
  gap: var(--space-3);
}

.checkup__card-price {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary-container);
  white-space: nowrap;
}

.checkup__card-footer .exames__card-btn {
  width: auto;
  flex-shrink: 0;
  margin-top: 0;
  padding: var(--space-2) var(--space-4);
  font-size: 0.8rem;
}

/* ============================================
   DIFERENCIAIS SECTION
   ============================================ */
.diferenciais {
  padding: var(--space-24) var(--space-8);
  background-color: var(--white);
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: auto 800px;
}

.diferenciais__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  gap: var(--space-16);
  align-items: center;
}

.diferenciais__image-wrapper {
  flex: 1;
  position: relative;
}

.diferenciais__image-glow {
  position: absolute;
  top: -2.5rem;
  left: -2.5rem;
  width: 16rem;
  height: 16rem;
  background-color: rgba(153, 54, 44, 0.1);
  border-radius: var(--radius-full);
  filter: blur(48px);
}

.diferenciais__image {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  position: relative;
  z-index: 10;
  width: 100%;
  object-fit: cover;
}

.diferenciais__stat-badge {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  background-color: var(--white);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 20;
  border: 1px solid rgba(221, 192, 188, 0.1);
  max-width: 240px;
}

.diferenciais__stat-number {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--primary-container);
  font-size: 1.75rem;
  margin-bottom: var(--space-1);
}

.diferenciais__stat-text {
  font-family: var(--font-desc);
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

.diferenciais__content {
  flex: 1;
}

.diferenciais__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  color: var(--on-surface);
  margin-bottom: var(--space-8);
}

.diferenciais__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.diferenciais__item {
  display: flex;
  gap: var(--space-6);
}

.diferenciais__item-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background-color: rgba(153, 54, 44, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.diferenciais__item-icon .material-symbols-outlined {
  color: var(--primary-container);
}

.diferenciais__item-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--on-surface);
  margin-bottom: var(--space-2);
}

.diferenciais__item-text {
  font-family: var(--font-desc);
  color: var(--on-surface-variant);
  line-height: 1.7;
}

/* ============================================
   UNIDADES SECTION
   ============================================ */
.unidades {
  padding: var(--space-24) var(--space-8);
  background-color: var(--surface-warm);
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

.unidades__card {
  max-width: var(--max-width-sm);
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(221, 192, 188, 0.1);
  display: flex;
  min-height: 450px;
}

.unidades__info {
  flex: 1;
  padding: var(--space-10) var(--space-12);
}

.unidades__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  color: var(--dark-bg);
  margin-bottom: var(--space-10);
}

.unidades__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.unidades__detail {
  display: flex;
  gap: var(--space-4);
}

.unidades__detail-icon {
  color: var(--primary-container);
  font-size: 1.5rem;
}

.unidades__detail-title {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--dark-bg);
}

.unidades__detail-text {
  font-family: var(--font-desc);
  color: var(--on-surface-variant);
  line-height: 1.6;
  margin-top: 2px;
}

.unidades__btn {
  margin-top: var(--space-12);
  background-color: var(--primary-container);
  color: var(--white);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-normal);
  box-shadow: 0 8px 20px rgba(153, 54, 44, 0.2);
}

.unidades__btn:hover {
  background-color: var(--primary);
  transform: translateY(-2px);
}

.unidades__map {
  flex: 1;
  background-color: #2C3E42;
  position: relative;
  min-height: 300px;
  overflow: hidden;
}

.unidades__map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.unidades__map-pin {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.unidades__map-pin-circle {
  width: 6rem;
  height: 6rem;
  background-color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-2xl);
  animation: bounce 2s infinite;
}

.unidades__map-pin-circle .material-symbols-outlined {
  color: var(--primary-container);
  font-size: 3rem;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  padding: var(--space-24) var(--space-8);
  background-color: var(--dark-bg);
  text-align: center;
  position: relative;
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: auto 400px;
}

.cta__circle {
  background-color: rgba(153, 54, 44, 0.2);
  filter: blur(80px);
  border-radius: 50%;
  position: absolute;
  width: 600px;
  height: 600px;
  top: -50%;
  right: -25%;
  opacity: 0.1;
  contain: strict;
}

.cta__content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.cta__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.cta__text {
  font-family: var(--font-desc);
  color: var(--dark-text-muted);
  font-size: 1.1rem;
  margin-bottom: var(--space-12);
  line-height: 1.7;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: center;
}

.cta__btn--primary {
  background-color: var(--primary-container);
  color: var(--white);
  padding: var(--space-5) var(--space-10);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-normal);
}

.cta__btn--primary:hover {
  background-color: var(--primary);
  transform: translateY(-2px);
}

.cta__btn--glass {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: var(--space-5) var(--space-10);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-normal);
}

.cta__btn--glass:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--dark-bg);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-12);
  padding: var(--space-16) var(--space-8);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__brand-name {
  margin-bottom: var(--space-4);
  display: block;
}

.footer__brand-img {
  height: 48px;
  width: auto;
}

.footer__brand-desc {
  font-family: var(--font-nav);
  color: var(--dark-text-light);
  opacity: 0.8;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  line-height: 1.7;
}

.footer__heading {
  font-family: var(--font-nav);
  color: var(--white);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__link {
  font-family: var(--font-nav);
  color: var(--dark-text-light);
  opacity: 0.8;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  line-height: 1.7;
  transition: color var(--transition-normal);
}

.footer__link:hover {
  color: var(--primary-container);
  opacity: 1;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-8);
  text-align: center;
}

.footer__copyright {
  font-family: var(--font-nav);
  color: var(--dark-text-light);
  opacity: 0.8;
  font-size: 0.85rem;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .wa-btn { animation: none; }
  @keyframes bounce { 0%, 100% { transform: none; } }
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablets & Small Desktop */
@media (max-width: 1024px) {
  .exames__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .checkup__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .diferenciais__inner {
    flex-direction: column;
  }

  .diferenciais__image-wrapper {
    order: 2;
  }

  .diferenciais__content {
    order: 1;
  }

  .diferenciais__stat-badge {
    right: var(--space-4);
    bottom: -1rem;
  }

  .stats__inner {
    grid-template-columns: repeat(3, 1fr);
    padding: var(--space-4) var(--space-3);
    gap: 0;
  }

  .stats__item {
    flex-direction: column;
    text-align: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-2);
  }

  .stats__icon {
    font-size: 1.75rem;
  }

  .stats__title {
    font-size: 0.85rem;
  }

  .stats__desc {
    font-size: 0.75rem;
  }

  .stats__item:not(:last-child) {
    border-right: 1px solid rgba(221, 192, 188, 0.2);
    border-bottom: none;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav__links,
  .nav__actions {
    display: none !important;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__mobile-menu {
    display: flex;
  }

  .exames,
  .diferenciais,
  .unidades,
  .cta {
    padding: var(--space-12) var(--space-6);
  }

  .hero {
    padding: 9rem var(--space-6) 8rem;
    text-align: center;
  }

  .hero__text {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__subtitle {
    text-align: center;
  }

  .hero__image {
    display: block;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__btn--primary,
  .hero__btn--secondary {
    width: 100%;
    justify-content: center;
  }

  .diferenciais__content {
    text-align: center;
  }

  .diferenciais__title {
    text-align: center;
  }

  .diferenciais__item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .unidades__info {
    text-align: center;
  }

  .unidades__title {
    text-align: center;
  }

  .unidades__detail {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .exames__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .checkup__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exames-cat__cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .exames-cat {
    grid-template-columns: 1fr;
    padding: 0 var(--space-2);
  }

  .exames-cat__header {
    padding: var(--space-4) var(--space-5);
  }

  .exames-cat__name {
    font-size: 0.95rem;
  }

  .exames-cat__icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.2rem;
  }

  .exames__tabs-inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 2px;
  }

  .exames__tab {
    padding: var(--space-2) var(--space-4);
    font-size: 0.85rem;
  }

  .unidades__card {
    flex-direction: column;
  }

  .unidades__info {
    padding: var(--space-8) var(--space-6);
  }

  .unidades__btn {
    width: 100%;
    justify-content: center;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .footer__brand-img {
    margin: 0 auto;
  }

  .cta__actions {
    flex-direction: column;
    align-items: center;
  }

  .cta__btn--primary,
  .cta__btn--glass {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .exames__grid {
    grid-template-columns: 1fr;
  }

  .checkup__grid {
    grid-template-columns: 1fr;
  }

  .exames-cat__header {
    padding: var(--space-3) var(--space-4);
  }

  .exames-cat__name {
    font-size: 0.9rem;
  }

  .exames-cat__list {
    padding: 0 var(--space-4) var(--space-2);
  }

  .exames-cat__agendar-btn {
    margin: var(--space-3) var(--space-4) var(--space-4);
  }

  .nav__inner {
    padding: var(--space-3) var(--space-4);
  }

  .stats {
    padding: 0 var(--space-4);
    margin-top: -3rem;
  }

  /* Mobile: disable expensive blur filters for performance */
  .hero__circle {
    filter: none;
    opacity: 0.15;
    background: radial-gradient(circle, rgba(153, 54, 44, 0.4) 0%, transparent 70%);
  }

  .cta__circle {
    filter: none;
    background: radial-gradient(circle, rgba(153, 54, 44, 0.2) 0%, transparent 70%);
  }

  .diferenciais__image-glow {
    filter: none;
    opacity: 0.06;
    background: radial-gradient(circle, rgba(153, 54, 44, 0.3) 0%, transparent 70%);
  }
}

/* ============================================
   WHATSAPP WIDGET
   ============================================ */
.wa-widget {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.wa-btn {
  background-color: #25D366;
  color: white;
  width: 65px;
  height: 65px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: pulse-wa 2s infinite;
}

.wa-btn:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-wa {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.wa-popup {
  position: absolute;
  bottom: 85px;
  right: 0;
  width: 320px;
  background-color: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-origin: bottom right;
}

.wa-popup.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.wa-popup__header {
  background-color: #075E54;
  color: white;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  position: relative;
}

.wa-popup__avatar {
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wa-popup__info {
  flex: 1;
}

.wa-popup__name {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.wa-popup__status {
  font-family: var(--font-desc);
  font-size: 0.75rem;
  opacity: 0.8;
}

.wa-popup__close {
  background: none;
  border: none;
  color: white;
  font-size: 1.75rem;
  opacity: 0.7;
  transition: opacity 0.2s;
  padding: 0 var(--space-1);
}

.wa-popup__close:hover {
  opacity: 1;
}

.wa-popup__body {
  background-color: #E5DDD5;
  padding: var(--space-5) var(--space-4);
  min-height: 120px;
}

.wa-popup__msg {
  background-color: white;
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
  font-size: 0.95rem;
  color: #303030;
  box-shadow: var(--shadow-sm);
  position: relative;
  line-height: 1.5;
}

.wa-popup__msg::before {
  content: '';
  position: absolute;
  top: 0;
  left: -8px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 8px 10px 0;
  border-color: transparent white transparent transparent;
}

.wa-popup__time {
  display: block;
  text-align: right;
  font-size: 0.7rem;
  color: #999;
  margin-top: 6px;
}

.wa-popup__footer {
  padding: var(--space-4);
  background-color: white;
  display: flex;
}

.wa-popup__start {
  flex: 1;
  background-color: #25D366;
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: background-color 0.2s;
}

.wa-popup__start:hover {
  background-color: #1DA851;
}

@media (max-width: 480px) {
  .wa-popup {
    width: calc(100vw - var(--space-12));
  }
}