/* ================================================================
   MAIN.CSS — Estilos Globais e Variáveis (Lilás Sofisticado & Acolhedor)
   Site Profissional — Marina Afonso | Psicóloga
   ================================================================ */

/* ----------------------------------------------------------------
   1. RESET E BASE
   ---------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-brown);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

@media (max-width: 768px) {
  body {
    padding-bottom: 72px;
  }
}

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

ul, ol {
  list-style: none;
}

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

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

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

/* ----------------------------------------------------------------
   2. VARIÁVEIS CSS — LILÁS SOFISTICADO & ELEGANTE
   ---------------------------------------------------------------- */
:root {
  /* Paleta Lilás & Neutros Nobres */
  --color-bg: #FCFBFD;
  --color-bg-alt: #F7F3FA;
  --color-bg-card: #FFFFFF;
  
  /* Lilás Lavanda Nobre (substituindo o verde sálvia) */
  --color-primary-light: #EADBFA;
  --color-primary: #9D74C4;
  --color-primary-dark: #7A4EAA;
  --color-primary-darker: #623B8C;
  --color-accent: #C782B3; /* Toque rosê/ameixa suave */

  /* Aliases para compatibilidade reversa com classes sage */
  --color-sage: #9D74C4;
  --color-sage-dark: #7A4EAA;
  --color-sage-darker: #623B8C;
  --color-terracotta: #B85D89;

  /* Textos & Neutros Quentes */
  --color-brown: #2D2338;       /* Tom escuro com nuance berinjela/ameixa profunda */
  --color-brown-mid: #685878;   /* Neutro arroxeado suave e legível */
  --color-brown-light: #988CA6; /* Neutro claro */
  --color-white: #FFFFFF;
  --color-border: #EADBFA;
  --color-border-light: #F1E9F7;

  /* Tipografia */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Raios de borda orgânicos */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --radius-pill: 50px;

  /* Sombras */
  --shadow-soft: 0 6px 30px rgba(122, 78, 170, 0.08);
  --shadow-card: 0 4px 20px rgba(45, 35, 56, 0.05);
  --shadow-hover: 0 10px 36px rgba(122, 78, 170, 0.16);
  --shadow-float: 0 8px 32px rgba(45, 35, 56, 0.14);
  --shadow-elevated: 0 14px 44px rgba(122, 78, 170, 0.12);

  /* Transições */
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-max: 1140px;
  --container-padding: 24px;
  --section-padding: clamp(60px, 7vw, 105px);
  --header-height: 76px;

  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-fixed: 800;
  --z-modal: 1000;
  --z-cookie: 9999;

  /* WhatsApp */
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #20B857;
}

/* ----------------------------------------------------------------
   3. CONTAINER
   ---------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  padding: 0 var(--container-padding);
  margin: 0 auto;
  width: 100%;
}

/* ----------------------------------------------------------------
   4. TIPOGRAFIA
   ---------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-brown);
  font-weight: 500;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); }
h4 { font-size: clamp(1rem, 1.8vw, 1.2rem); }

p {
  font-size: clamp(1rem, 1.8vw, 1.05rem);
  line-height: 1.8;
  color: var(--color-brown-mid);
}

strong {
  font-weight: 600;
  color: var(--color-brown);
}

em {
  font-style: italic;
  color: var(--color-primary-dark);
}

/* ----------------------------------------------------------------
   5. BOTÕES
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.2;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff !important;
  border: none;
  box-shadow: 0 4px 20px rgba(122, 78, 170, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-darker) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(122, 78, 170, 0.45);
}

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

.btn-secondary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff !important;
  transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   6. ACESSIBILIDADE & UTILITÁRIOS
   ---------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  background: var(--color-primary-dark);
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  z-index: 9999;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 8px;
}

*:focus-visible {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.text-center { text-align: center; }
.text-brown { color: var(--color-brown); }
.text-lilac { color: var(--color-primary-dark); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-bg-alt);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 50px;
}

.section-header h2 {
  margin-bottom: 14px;
}

.section-subtitle {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-brown-mid);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ----------------------------------------------------------------
   7. ANIMAÇÕES
   ---------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(157, 116, 196, 0.4); }
  50% { transform: scale(1.03); box-shadow: 0 0 0 10px rgba(157, 116, 196, 0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0s);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

::selection {
  background: var(--color-primary-light);
  color: var(--color-primary-darker);
}