/* =============================================================
   Tokens globais — Conselho Sites
   Compartilhado por Assessoria e Corretora
   ============================================================= */

/* ── Variáveis ─────────────────────────────────────────────── */
:root {
  /* Cores da paleta */
  --color-navy:        #052645;
  --color-navy-light:  #49494a;
  --color-accent:      #699bb8;
  --color-accent-dark: #4a7a96;
  --color-offwhite:    #F7F7F7;
  --color-white:       #FFFFFF;
  --color-text-muted:  #6B7280;
  --color-text-dark:   #1A1A2E;

  /* Tipografia */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  /* Espaçamentos */
  --spacing-xs:  0.25rem;
  --spacing-sm:  0.5rem;
  --spacing-md:  1rem;
  --spacing-lg:  1.5rem;
  --spacing-xl:  2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Container */
  --container-max: 1200px;
  --container-pad: 1.5rem;

  /* Bordas */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Transições */
  --transition: 0.2s ease;

  /* Z-indexes */
  --z-nav:     100;
  --z-overlay: 200;
  --z-modal:   300;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text-dark);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul,
ol {
  list-style: none;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ── Tipografia ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  color: var(--color-text-dark);
}

h1 { font-size: clamp(2rem,   5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ── Utilitários ─────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  width: 100%;
}

/* Botão base */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  white-space: nowrap;
  line-height: 1;
}

/* Botão accent (principal) */
.btn-accent {
  background: var(--color-accent);
  color: white;
  font-weight: 700;
  font-size: 15px;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  letter-spacing: 0.03em;
  box-shadow: 0 4px 20px rgba(105, 155, 184, 0.45);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 6px 28px rgba(105, 155, 184, 0.6);
  transform: translateY(-2px);
}

/* Botão outline branco */
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* Acessibilidade */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Classe de entrada animada (usada pelo Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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