```css
/*
Theme Name: Dr. Diego Alves Rosa
Description: Tema institucional — Psiquiatria da Infância e Adolescência
Version: 1.0.0
Text Domain: dr-diego
*/
/* ═══════════════════════════════════════
   THEME: Dr. Diego Alves Rosa
   Psiquiatria da Infância e Adolescência
   ═══════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  --color-primary: #2C6E8A;
  --color-primary-dark: #1E4F66;
  --color-secondary: #F4A261;
  --color-light: #F9F6F0;
  --color-text: #1E1E2E;
  --color-text-muted: #5A5A6E;
  --color-cta: #E76F51;
  --color-cta-hover: #D4563A;
  --color-white: #FFFFFF;
  --color-border: rgba(44, 110, 138, 0.12);

  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-body: 1.0625rem;    /* 17px */
  --fs-sm: 0.875rem;       /* 14px */
  --fs-lg: 1.25rem;        /* 20px */
  --fs-xl: 1.5rem;         /* 24px */
  --fs-2xl: 2rem;          /* 32px */
  --fs-3xl: 2.5rem;        /* 40px */
  --fs-4xl: 3rem;          /* 48px */

  --lh-body: 1.7;
  --lh-heading: 1.2;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(30, 30, 46, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 30, 46, 0.08);
  --shadow-lg: 0 8px 30px rgba(30, 30, 46, 0.1);
  --shadow-card: 0 2px 16px rgba(30, 30, 46, 0.06);

  --container-max: 1200px;
  --section-padding: 6rem 0;
  --header-height: 72px;

  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

ul {
  list-style: none;
}

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── Typography ─── */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 600;
  line-height: var(--lh-heading);
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  max-width: 700px;
  margin-bottom: 3rem;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 600;
  padding: 0.875rem 2rem;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background-color: var(--color-cta);
  color: var(--color-white);
  border-color: var(--color-cta);
}

.btn-primary:hover {
  background-color: var(--color-cta-hover);
  border-color: var(--color-cta-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: var(--fs-lg);
}

.btn-icon {
  flex-shrink: 0;
}

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(249, 246, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition-base);
  height: var(--header-height);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo-specialty {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Navigation */
.nav-list {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

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

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ═══════════════════════════════════════
   1. HERO
   ═══════════════════════════════════════ */
.hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5rem;
  background-color: var(--color-light);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.hero-headline-accent {
  color: var(--color-primary);
}

.hero-subheadline {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  max-width: 540px;
}

.hero-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--fs-lg);
  color: var(--color-secondary);
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image img {
  border-radius: var(--radius-xl);
  max-height: 560px;
  width: auto;
  object-fit: cover;
}

/* ═══════════════════════════════════════
   2. SOBRE
   ═══════════════════════════════════════ */
.sobre {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.sobre-content {
  max-width: 800px;
}

.sobre-text p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
}

.sobre-text p:last-child {
  margin-bottom: 2.5rem;
}

.sobre-text strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* Credenciais */
.credenciais {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.credencial-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-light);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-secondary);
}

.credencial-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.credencial-item strong {
  display: block;
  font-size: var(--fs-body);
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.credencial-item span {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.credenciais-registro {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════
   3. ÁREAS DE ATUAÇÃO
   ═══════════════════════════════════════ */
.atuacao {
  padding: var(--section-padding);
  background-color: var(--color-light);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

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

.card-icon {
  margin-bottom: 1.25rem;
}

.card-icon img {
  width: 56px;
  height: 56px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  line-height: var(--lh-body);
}

/* ═══════════════════════════════════════
   4. CANAL DO YOUTUBE
   ═══════════════════════════════════════ */
.youtube {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.youtube-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.youtube-card {
  display: block;
  text-decoration: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-light);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

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

.youtube-card:hover .youtube-play {
  transform: translate(-50%, -50%) scale(1.1);
}

.youtube-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.youtube-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.youtube-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--transition-base);
}

.youtube-title {
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-text);
  padding: 1rem 1.25rem;
  line-height: 1.4;
}

.youtube-cta {
  text-align: center;
}

/* ═══════════════════════════════════════
   5. DEPOIMENTOS
   ═══════════════════════════════════════ */
.depoimentos {
  padding: var(--section-padding);
  background-color: var(--color-light);
}

.depoimentos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.depoimento-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  border: none;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.depoimento-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.depoimento-stars {
  color: var(--color-secondary);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.depoimento-text {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  font-style: italic;
  line-height: var(--lh-body);
  flex: 1;
  margin-bottom: 1.5rem;
}

.depoimento-author {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.depoimento-name {
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--fs-body);
}

.depoimento-detail {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════
   6. CONSULTAS
   ═══════════════════════════════════════ */
.consultas {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.consultas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.consulta-card {
  background: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.consulta-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.consulta-icon {
  margin-bottom: 1.5rem;
}

.consulta-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.consulta-desc {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.consulta-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.consulta-details li {
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding-left: 1.5rem;
  position: relative;
}

.consulta-details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  background-color: var(--color-secondary);
  border-radius: 50%;
}

.consultas-cta {
  text-align: center;
}

.consultas-aviso {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  background: var(--color-light);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  line-height: 1.5;
}

.consultas-aviso svg {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--color-cta);
}

.consultas-aviso strong {
  color: var(--color-cta);
}

/* ═══════════════════════════════════════
   7. FOOTER
   ═══════════════════════════════════════ */
.site-footer {
  background-color: var(--color-text);
  color: rgba(249, 246, 240, 0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-white);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-specialty {
  font-size: var(--fs-sm);
  color: rgba(249, 246, 240, 0.6);
  margin-bottom: 0.25rem;
}

.footer-registro {
  font-size: var(--fs-sm);
  color: rgba(249, 246, 240, 0.5);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.footer-links a {
  display: block;
  color: rgba(249, 246, 240, 0.7);
  font-size: var(--fs-sm);
  padding: 0.3rem 0;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(249, 246, 240, 0.7);
  font-size: var(--fs-sm);
  transition: color var(--transition-base);
}

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

.social-link img {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  filter: brightness(0) invert(1);
  transition: opacity var(--transition-base);
}

.social-link:hover img {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(249, 246, 240, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-disclaimer {
  font-size: var(--fs-sm);
  color: rgba(249, 246, 240, 0.5);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.footer-copy {
  font-size: 0.8125rem;
  color: rgba(249, 246, 240, 0.35);
}

/* ═══════════════════════════════════════
   ANIMATIONS (Intersection Observer)
   ═══════════════════════════════════════ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-in"] {
  transform: translateY(0) scale(0.97);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger delay for cards in same parent */
.cards-grid [data-animate]:nth-child(2),
.youtube-grid [data-animate]:nth-child(2),
.depoimentos-grid [data-animate]:nth-child(2) {
  transition-delay: 0.1s;
}

.cards-grid [data-animate]:nth-child(3),
.youtube-grid [data-animate]:nth-child(3),
.depoimentos-grid [data-animate]:nth-child(3) {
  transition-delay: 0.2s;
}

.cards-grid [data-animate]:nth-child(4) { transition-delay: 0.3s; }
.cards-grid [data-animate]:nth-child(5) { transition-delay: 0.4s; }
.cards-grid [data-animate]:nth-child(6) { transition-delay: 0.5s; }
.cards-grid [data-animate]:nth-child(7) { transition-delay: 0.6s; }

/* ═══════════════════════════════════════
   RESPONSIVE: Tablet (≤ 1200px)
   ═══════════════════════════════════════ */
@media (max-width: 1200px) {
  :root {
    --fs-4xl: 2.5rem;
    --fs-3xl: 2rem;
  }

  .hero-inner {
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-grid .footer-col:first-child {
    grid-column: 1 / -1;
  }
}

/* ═══════════════════════════════════════
   RESPONSIVE: Mobile (≤ 768px)
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --fs-4xl: 2rem;
    --fs-3xl: 1.75rem;
    --fs-2xl: 1.5rem;
    --fs-xl: 1.25rem;
    --section-padding: 4rem 0;
    --header-height: 64px;
  }

  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-white);
    padding: calc(var(--header-height) + 2rem) 2rem 2rem;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-base);
    z-index: 999;
    overflow-y: auto;
  }

  .main-nav.is-open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 0.875rem 0;
    font-size: var(--fs-body);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link::after {
    display: none;
  }

  /* Mobile overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 30, 46, 0.4);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
  }

  /* Hero mobile */
  .hero {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 3rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-content {
    order: 1;
  }

  .hero-image {
    order: 0;
  }

  .hero-image img {
    max-height: 320px;
  }

  .hero-subheadline {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .hero-ctas .btn {
    width: 100%;
    max-width: 360px;
    justify-content: center;
  }

  /* Cards grid mobile */
  .cards-grid {
    grid-template-columns: 1fr;
  }

  /* YouTube grid mobile */
  .youtube-grid {
    grid-template-columns: 1fr;
  }

  /* Depoimentos mobile */
  .depoimentos-grid {
    grid-template-columns: 1fr;
  }

  /* Consultas mobile */
  .consultas-grid {
    grid-template-columns: 1fr;
  }

  .consulta-card {
    padding: 1.75rem;
  }

  /* Footer mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .footer-grid .footer-col:first-child {
    grid-column: auto;
  }

  .footer-social {
    align-items: center;
  }

  /* Section title mobile */
  .section-title br {
    display: none;
  }

  .hero-headline br {
    display: none;
  }
}

/* ═══════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }
}

/* ═══════════════════════════════════════
   PRINT
   ═══════════════════════════════════════ */
@media print {
  .site-header,
  .menu-toggle,
  .hero-ctas,
  .youtube,
  .consultas-cta .btn,
  .footer-social {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .section-title {
    page-break-after: avoid;
  }
}