/* ============================================================
   BÍBLIA ONLINE FIEL — Design System v2.0
   Baseado no Brand Manual v2.0
   ============================================================ */

/* ────────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ──────────────────────────────────────────── */

:root {
  /* ── Paleta de Cores ── */
  --bof-navy:       #1A2E4A;   /* Azul Sagrado — headers, autoridade */
  --bof-navy-rgb:   26,46,74;
  --bof-navy-light: #243d63;
  --bof-navy-dark:  #121f33;

  --bof-gold:       #BF8A30;   /* Ouro Antigo — CTAs, destaques */
  --bof-gold-rgb:   191,138,48;
  --bof-gold-l:     #D4A445;   /* Ouro Claro — hovers, gradientes */
  --bof-gold-dark:  #9A6E22;

  --bof-green:      #3D6B52;   /* Verde Oliveira — categorias, esperança */
  --bof-green-rgb:  61,107,82;
  --bof-green-light:#4E8A6A;

  --bof-cream:      #F4EFE4;   /* Pergaminho — fundos claros */
  --bof-cream-rgb:  244,239,228;
  --bof-cream-d:    #E4D9C8;   /* Areia — bordas, divisores */

  --bof-white:      #FDFBF7;   /* Branco Puro — cards, espaços */
  --bof-white-rgb:  253,251,247;

  --bof-dark:       #1C1C1E;   /* Tinta Escura — texto principal */
  --bof-dark-rgb:   28,28,30;

  --bof-mid:        #8B7D6B;   /* Cinza Quente — texto secundário */
  --bof-mid-rgb:    139,125,107;
  --bof-mid-light:  #A89A88;

  /* ── Cores Semânticas ── */
  --bof-success:    #2E7D53;
  --bof-warning:    #D4A445;
  --bof-error:      #C0392B;
  --bof-info:       #2980B9;

  /* ── Tipografia ── */
  --bof-ff-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --bof-ff-body:    'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* ── Tamanhos de Fonte ── */
  --bof-fs-xs:      0.75rem;    /* 12px */
  --bof-fs-sm:      0.8125rem;  /* 13px */
  --bof-fs-base:    0.9375rem;  /* 15px */
  --bof-fs-md:      1.0625rem;  /* 17px */
  --bof-fs-lg:      1.25rem;    /* 20px */
  --bof-fs-xl:      1.5rem;     /* 24px */
  --bof-fs-2xl:     2rem;       /* 32px */
  --bof-fs-3xl:     2.5rem;     /* 40px */
  --bof-fs-4xl:     3.25rem;    /* 52px */

  /* ── Pesos ── */
  --bof-fw-light:   300;
  --bof-fw-regular: 400;
  --bof-fw-medium:  500;
  --bof-fw-semi:    600;
  --bof-fw-bold:    700;

  /* ── Line Heights ── */
  --bof-lh-tight:   1.2;
  --bof-lh-snug:    1.4;
  --bof-lh-normal:  1.6;
  --bof-lh-relaxed: 1.8;

  /* ── Espaçamento ── */
  --bof-space-xs:   0.25rem;   /* 4px */
  --bof-space-sm:   0.5rem;    /* 8px */
  --bof-space-md:   1rem;      /* 16px */
  --bof-space-lg:   1.5rem;    /* 24px */
  --bof-space-xl:   2rem;      /* 32px */
  --bof-space-2xl:  3rem;      /* 48px */
  --bof-space-3xl:  4rem;      /* 64px */
  --bof-space-4xl:  6rem;      /* 96px */

  /* ── Layout ── */
  --bof-max-width:     1200px;
  --bof-content-width: 780px;
  --bof-sidebar-width: 320px;

  /* ── Bordas e Sombras ── */
  --bof-radius-sm:    8px;
  --bof-radius:       14px;
  --bof-radius-lg:    20px;
  --bof-radius-full:  9999px;

  --bof-shadow-sm:    0 1px 3px rgba(26,46,74,0.06);
  --bof-shadow:       0 2px 12px rgba(26,46,74,0.08);
  --bof-shadow-md:    0 4px 20px rgba(26,46,74,0.10);
  --bof-shadow-lg:    0 8px 32px rgba(26,46,74,0.12);
  --bof-shadow-gold:  0 4px 20px rgba(191,138,48,0.15);

  /* ── Transições ── */
  --bof-transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --bof-transition-fast: all 0.15s ease;
  --bof-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Z-Index Scale ── */
  --bof-z-dropdown:  100;
  --bof-z-sticky:    200;
  --bof-z-overlay:   300;
  --bof-z-modal:     400;
  --bof-z-toast:     500;
}


/* ────────────────────────────────────────────
   2. CSS RESET & NORMALIZAÇÃO
   ──────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--bof-ff-body);
  font-size: var(--bof-fs-base);
  font-weight: var(--bof-fw-regular);
  line-height: var(--bof-lh-relaxed);
  color: var(--bof-dark);
  background-color: var(--bof-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

a {
  color: var(--bof-gold);
  text-decoration: none !important;
  transition: var(--bof-transition-fast);
}

a:hover {
  color: var(--bof-gold-l) !important;
  text-decoration: none !important;
}

::selection {
  background: rgba(var(--bof-gold-rgb), 0.2);
  color: var(--bof-navy);
}


/* ────────────────────────────────────────────
   3. TIPOGRAFIA
   ──────────────────────────────────────────── */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--bof-ff-display);
  color: var(--bof-navy);
  font-weight: var(--bof-fw-bold);
  line-height: var(--bof-lh-tight);
}

h1 {
  font-size: clamp(var(--bof-fs-3xl), 5vw, var(--bof-fs-4xl));
  letter-spacing: -0.01em;
  margin-bottom: var(--bof-space-lg);
}

h2 {
  font-size: clamp(var(--bof-fs-2xl), 4vw, var(--bof-fs-3xl));
  margin-bottom: var(--bof-space-md);
}

h3 {
  font-family: var(--bof-ff-body);
  font-size: clamp(var(--bof-fs-lg), 2.5vw, var(--bof-fs-xl));
  font-weight: var(--bof-fw-semi);
  color: var(--bof-dark);
  margin-bottom: var(--bof-space-sm);
}

h4 {
  font-family: var(--bof-ff-body);
  font-size: var(--bof-fs-md);
  font-weight: var(--bof-fw-semi);
  color: var(--bof-dark);
  margin-bottom: var(--bof-space-sm);
}

p {
  margin-bottom: var(--bof-space-md);
  line-height: var(--bof-lh-relaxed);
}

.bof-text-display {
  font-family: var(--bof-ff-display);
  font-weight: var(--bof-fw-bold);
  color: var(--bof-navy);
}

.bof-text-body {
  font-family: var(--bof-ff-body);
  font-weight: var(--bof-fw-regular);
  color: var(--bof-dark);
}

.bof-text-meta {
  font-family: var(--bof-ff-body);
  font-size: var(--bof-fs-sm);
  font-weight: var(--bof-fw-regular);
  color: var(--bof-mid);
  letter-spacing: 0.02em;
}

.bof-text-small {
  font-size: var(--bof-fs-xs);
  color: var(--bof-mid);
}

/* Citação Bíblica */
.bof-quote,
blockquote.bof-biblical {
  font-family: var(--bof-ff-display);
  font-weight: var(--bof-fw-regular);
  font-style: italic;
  font-size: clamp(var(--bof-fs-md), 2.5vw, 1.375rem);
  line-height: var(--bof-lh-normal);
  color: var(--bof-gold-dark);
  border-left: 3px solid var(--bof-gold);
  padding: var(--bof-space-md) var(--bof-space-lg);
  margin: var(--bof-space-xl) 0;
  background: rgba(var(--bof-gold-rgb), 0.04);
  border-radius: 0 var(--bof-radius-sm) var(--bof-radius-sm) 0;
}

blockquote.bof-biblical cite,
.bof-quote-ref {
  display: block;
  font-family: var(--bof-ff-body);
  font-size: var(--bof-fs-sm);
  font-style: normal;
  font-weight: var(--bof-fw-medium);
  color: var(--bof-mid);
  margin-top: var(--bof-space-sm);
}


/* ────────────────────────────────────────────
   4. LAYOUT UTILITIES
   ──────────────────────────────────────────── */

.bof-container {
  width: 100%;
  max-width: var(--bof-max-width);
  margin: 0 auto;
  padding: 0 var(--bof-space-md);
}

.bof-container-narrow {
  max-width: var(--bof-content-width);
  margin: 0 auto;
  padding: 0 var(--bof-space-md);
}

.bof-section {
  padding: var(--bof-space-3xl) 0;
}

.bof-section-sm {
  padding: var(--bof-space-2xl) 0;
}

/* Flexbox */
.bof-flex {
  display: flex;
}

.bof-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.bof-flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bof-flex-col {
  display: flex;
  flex-direction: column;
}

.bof-flex-wrap {
  flex-wrap: wrap;
}

.bof-gap-sm  { gap: var(--bof-space-sm); }
.bof-gap-md  { gap: var(--bof-space-md); }
.bof-gap-lg  { gap: var(--bof-space-lg); }
.bof-gap-xl  { gap: var(--bof-space-xl); }

/* Grid — colunas são definidas no responsive.css via auto-fit/minmax */
.bof-grid {
  display: grid;
  gap: var(--bof-space-lg);
}

.bof-grid-2,
.bof-grid-3,
.bof-grid-4,
.bof-grid-auto {
  display: grid;
  gap: var(--bof-space-lg);
}

/* Texto */
.bof-text-center { text-align: center; }
.bof-text-left   { text-align: left; }
.bof-text-right  { text-align: right; }

/* Display */
.bof-hidden    { display: none !important; }
.bof-block     { display: block; }
.bof-inline    { display: inline; }

/* Spacing */
.bof-mt-sm  { margin-top: var(--bof-space-sm); }
.bof-mt-md  { margin-top: var(--bof-space-md); }
.bof-mt-lg  { margin-top: var(--bof-space-lg); }
.bof-mt-xl  { margin-top: var(--bof-space-xl); }
.bof-mt-2xl { margin-top: var(--bof-space-2xl); }

.bof-mb-sm  { margin-bottom: var(--bof-space-sm); }
.bof-mb-md  { margin-bottom: var(--bof-space-md); }
.bof-mb-lg  { margin-bottom: var(--bof-space-lg); }
.bof-mb-xl  { margin-bottom: var(--bof-space-xl); }
.bof-mb-2xl { margin-bottom: var(--bof-space-2xl); }


/* ────────────────────────────────────────────
   5. COMPONENTES BASE
   ──────────────────────────────────────────── */

/* ── Botões ── */
.bof-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--bof-space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--bof-ff-body);
  font-size: var(--bof-fs-base);
  font-weight: var(--bof-fw-medium);
  line-height: 1;
  border-radius: var(--bof-radius);
  border: none;
  cursor: pointer;
  transition: var(--bof-transition);
  text-decoration: none;
  white-space: nowrap;
}

.bof-btn:active {
  transform: scale(0.97);
}

.bof-btn-primary {
  background: linear-gradient(135deg, var(--bof-gold), var(--bof-gold-l));
  color: var(--bof-white);
  box-shadow: var(--bof-shadow-gold);
}

.bof-btn-primary:hover {
  background: linear-gradient(135deg, var(--bof-gold-l), var(--bof-gold));
  color: var(--bof-white);
  box-shadow: 0 6px 24px rgba(var(--bof-gold-rgb), 0.25);
  transform: translateY(-1px);
}

.bof-btn-secondary {
  background: var(--bof-navy);
  color: var(--bof-white);
}

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

.bof-btn-outline {
  background: transparent;
  color: var(--bof-gold);
  border: 2px solid var(--bof-gold);
}

.bof-btn-outline:hover {
  background: var(--bof-gold);
  color: var(--bof-white);
}

.bof-btn-ghost {
  background: transparent;
  color: var(--bof-navy);
  padding: 0.5rem 1rem;
}

.bof-btn-ghost:hover {
  background: rgba(var(--bof-navy-rgb), 0.06);
}

.bof-btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--bof-fs-sm);
}

.bof-btn-lg {
  padding: 1rem 2rem;
  font-size: var(--bof-fs-md);
}

.bof-btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--bof-radius-full);
}

/* ── Cards ── */
.bof-card {
  background: var(--bof-white);
  border-radius: var(--bof-radius);
  box-shadow: var(--bof-shadow);
  padding: var(--bof-space-lg);
  transition: var(--bof-transition);
  border: 1px solid rgba(var(--bof-cream-rgb), 0.5);
}

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

.bof-card-flat {
  box-shadow: none;
  border: 1px solid var(--bof-cream-d);
}

.bof-card-flat:hover {
  border-color: var(--bof-gold);
  box-shadow: var(--bof-shadow-sm);
}

.bof-card-featured {
  background: linear-gradient(135deg, var(--bof-navy), var(--bof-navy-light));
  color: var(--bof-white);
  border: none;
}

.bof-card-featured h2,
.bof-card-featured h3,
.bof-card-featured h4 {
  color: var(--bof-white);
}

.bof-card-featured .bof-text-meta {
  color: rgba(255,255,255,0.7);
}

/* ── Badges ── */
.bof-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--bof-fs-xs);
  font-weight: var(--bof-fw-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--bof-radius-full);
  line-height: 1.4;
}

.bof-badge-gold {
  background: rgba(var(--bof-gold-rgb), 0.12);
  color: var(--bof-gold-dark);
}

.bof-badge-navy {
  background: rgba(var(--bof-navy-rgb), 0.08);
  color: var(--bof-navy);
}

.bof-badge-green {
  background: rgba(var(--bof-green-rgb), 0.1);
  color: var(--bof-green);
}

.bof-badge-at {
  background: rgba(139,125,107, 0.12);
  color: var(--bof-mid);
}

.bof-badge-nt {
  background: rgba(var(--bof-navy-rgb), 0.1);
  color: var(--bof-navy);
}

/* ── Divisores ── */
.bof-divider {
  border: none;
  border-top: 1px solid var(--bof-cream-d);
  margin: var(--bof-space-xl) 0;
}

.bof-divider-gold {
  border-top: 2px solid var(--bof-gold);
  width: 60px;
  margin: var(--bof-space-md) 0;
}

.bof-divider-center {
  margin-left: auto;
  margin-right: auto;
}

/* ── Section Headers ── */
.bof-section-header {
  text-align: center;
  margin-bottom: var(--bof-space-2xl);
}

.bof-section-header h2 {
  margin-bottom: var(--bof-space-sm);
}

.bof-section-header p {
  color: var(--bof-mid);
  font-size: var(--bof-fs-md);
  max-width: 600px;
  margin: 0 auto;
}

.bof-section-header .bof-divider-gold {
  margin: var(--bof-space-md) auto;
}

/* ── Tags / Chips ── */
.bof-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.875rem;
  background: var(--bof-white);
  border: 1px solid var(--bof-cream-d);
  border-radius: var(--bof-radius-full);
  font-size: var(--bof-fs-sm);
  font-weight: var(--bof-fw-medium);
  color: var(--bof-dark);
  cursor: pointer;
  transition: var(--bof-transition);
}

.bof-tag:hover {
  border-color: var(--bof-gold);
  color: var(--bof-gold);
  background: rgba(var(--bof-gold-rgb), 0.04);
}

.bof-tag.active {
  background: var(--bof-gold);
  color: var(--bof-white);
  border-color: var(--bof-gold);
}

/* ── Skeleton Loading ── */
.bof-skeleton {
  background: linear-gradient(
    90deg,
    var(--bof-cream-d) 25%,
    var(--bof-cream) 50%,
    var(--bof-cream-d) 75%
  );
  background-size: 200% 100%;
  animation: bof-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--bof-radius-sm);
}

@keyframes bof-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Scroll to Top ── */
.bof-scroll-top {
  position: fixed;
  bottom: var(--bof-space-lg);
  right: var(--bof-space-lg);
  width: 3rem;
  height: 3rem;
  background: var(--bof-navy);
  color: var(--bof-white);
  border: none;
  border-radius: var(--bof-radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--bof-shadow-md);
  transition: var(--bof-transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  z-index: var(--bof-z-sticky);
}

.bof-scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.bof-scroll-top:hover {
  background: var(--bof-gold);
  transform: translateY(-2px);
}


/* ────────────────────────────────────────────
   6. ANIMAÇÕES
   ──────────────────────────────────────────── */

@keyframes bof-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bof-fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bof-scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes bof-slide-left {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.bof-animate-in {
  animation: bof-fade-in 0.6s ease forwards;
}

.bof-animate-up {
  animation: bof-fade-in-up 0.6s ease forwards;
}

.bof-animate-scale {
  animation: bof-scale-in 0.4s ease forwards;
}

/* Staggered animation delays */
.bof-delay-1 { animation-delay: 0.1s; }
.bof-delay-2 { animation-delay: 0.2s; }
.bof-delay-3 { animation-delay: 0.3s; }
.bof-delay-4 { animation-delay: 0.4s; }
.bof-delay-5 { animation-delay: 0.5s; }
.bof-delay-6 { animation-delay: 0.6s; }