/* ================================================================
   GLOBAL.CSS — Sistema de Design Michelle Milan Eventos
   ----------------------------------------------------------------
   Conteúdo:
   1. Variáveis CSS (Design Tokens)
   2. Reset & Box-Sizing
   3. Tipografia Base
   4. Utilitários: Container, Seções, Botões
   5. Animações Globais
   6. Acessibilidade
   ================================================================ */

/* ----------------------------------------------------------------
   1. VARIÁVEIS CSS — Design Tokens de Luxo
   ---------------------------------------------------------------- */
:root {
  /* ── Paleta Principal ─────────────────────────────────── */
  --color-dark-deep:    #0d0c0a;   /* Fundo escuro profundo */
  --color-dark:         #16140f;   /* Fundo escuro principal */
  --color-dark-mid:     #1f1c14;   /* Seções alternadas */
  --color-dark-soft:    #2a2519;   /* Cards / superfícies */
  --color-dark-border:  #38321f;   /* Bordas sutis */

  /* ── Dourado (Acento Principal) ───────────────────────── */
  --color-gold:         #c9a84c;   /* Dourado principal */
  --color-gold-light:   #e2c06d;   /* Dourado claro / hover */
  --color-gold-dark:    #9b7d32;   /* Dourado escuro */
  --color-gold-pale:    #f0dfa0;   /* Dourado palha suave */

  /* ── Nude / Tom Quente ────────────────────────────────── */
  --color-nude:         #d4b896;   /* Nude principal */
  --color-nude-light:   #e8d5bf;   /* Nude claro */
  --color-nude-dark:    #a8886a;   /* Nude escuro */

  /* ── Texto ────────────────────────────────────────────── */
  --color-text-primary:   #f5f0e8; /* Texto principal (off-white quente) */
  --color-text-secondary: #c4b89a; /* Texto secundário (nude claro) */
  --color-text-muted:     #7a6e5a; /* Texto desbotado */
  --color-text-inverse:   #0d0c0a; /* Texto sobre fundos claros */

  /* ── Superfícies ──────────────────────────────────────── */
  --color-surface-1:    #1a1710;   /* Superfície cards */
  --color-surface-2:    #222018;   /* Superfície elevada */
  --color-overlay:      rgba(13, 12, 10, 0.72); /* Overlay escuro */

  /* ── Gradientes ───────────────────────────────────────── */
  --gradient-gold:       linear-gradient(135deg, #c9a84c 0%, #e2c06d 50%, #9b7d32 100%);
  --gradient-dark:       linear-gradient(180deg, #0d0c0a 0%, #16140f 100%);
  --gradient-hero:       linear-gradient(135deg, #0d0c0a 0%, #1f1c14 60%, #0d0c0a 100%);
  --gradient-overlay:    linear-gradient(to right, rgba(13,12,10,0.96) 40%, rgba(13,12,10,0.4) 100%);

  /* ── Tipografia ───────────────────────────────────────── */
  --font-serif:    'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans:     'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-script:   'Great Vibes', cursive;

  /* ── Escala Tipográfica (Mobile-First) ────────────────── */
  --fs-xs:    0.75rem;   /* 12px */
  --fs-sm:    0.875rem;  /* 14px */
  --fs-base:  1rem;      /* 16px */
  --fs-md:    1.125rem;  /* 18px */
  --fs-lg:    1.25rem;   /* 20px */
  --fs-xl:    1.5rem;    /* 24px */
  --fs-2xl:   2rem;      /* 32px */
  --fs-3xl:   2.5rem;    /* 40px */
  --fs-4xl:   3rem;      /* 48px */
  --fs-5xl:   3.75rem;   /* 60px */
  --fs-6xl:   4.5rem;    /* 72px */

  /* ── Font Weights ─────────────────────────────────────── */
  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semibold:600;

  /* ── Espaçamentos ─────────────────────────────────────── */
  --space-1:   0.25rem;   /* 4px */
  --space-2:   0.5rem;    /* 8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.5rem;    /* 24px */
  --space-8:   2rem;      /* 32px */
  --space-10:  2.5rem;    /* 40px */
  --space-12:  3rem;      /* 48px */
  --space-16:  4rem;      /* 64px */
  --space-20:  5rem;      /* 80px */
  --space-24:  6rem;      /* 96px */
  --space-32:  8rem;      /* 128px */

  /* ── Bordas & Sombras ─────────────────────────────────── */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  --shadow-gold-sm:  0 2px 12px rgba(201, 168, 76, 0.20);
  --shadow-gold-md:  0 4px 24px rgba(201, 168, 76, 0.30);
  --shadow-gold-lg:  0 8px 48px rgba(201, 168, 76, 0.25);
  --shadow-dark-sm:  0 4px 16px rgba(0, 0, 0, 0.40);
  --shadow-dark-lg:  0 16px 64px rgba(0, 0, 0, 0.60);

  /* ── Transições ───────────────────────────────────────── */
  --transition-fast:   150ms ease;
  --transition-base:   300ms ease;
  --transition-slow:   500ms ease;
  --transition-luxury: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* ── Larguras ─────────────────────────────────────────── */
  --container-max: 1200px;
  --container-pad: var(--space-6);

  /* ── Z-Index ──────────────────────────────────────────── */
  --z-base:    0;
  --z-card:    10;
  --z-header:  100;
  --z-modal:   200;
  --z-float:   300;
  --z-overlay: 400;
}

/* ── Breakpoints (Referência, usados via @media) ──────────────── */
/* mobile:  até 767px (base)         */
/* tablet:  768px – 1023px           */
/* desktop: 1024px+                  */
/* wide:    1200px+                  */


/* ----------------------------------------------------------------
   2. RESET & BOX-SIZING
   ---------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--color-dark);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  font-size: var(--fs-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

p {
  line-height: 1.8;
}

strong {
  font-weight: var(--fw-semibold);
  color: var(--color-gold-light);
}

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

hr {
  border: none;
  border-top: 1px solid var(--color-dark-border);
  margin: var(--space-8) 0;
}

/* ----------------------------------------------------------------
   3. TIPOGRAFIA BASE
   ---------------------------------------------------------------- */

/* Títulos — Cormorant Garamond */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: var(--fw-light);
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl);  }
h4 { font-size: var(--fs-lg);  }
h5 { font-size: var(--fs-md);  }
h6 { font-size: var(--fs-base);}

@media (min-width: 768px) {
  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }
  h3 { font-size: var(--fs-2xl); }
}

@media (min-width: 1024px) {
  h1 { font-size: var(--fs-5xl); }
  h2 { font-size: var(--fs-4xl); }
  h3 { font-size: var(--fs-2xl); }
}

/* Eyebrow (rótulo acima do título) */
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-3);
}

/* Títulos de Seção */
.section-title {
  font-family: var(--font-serif);
  font-weight: var(--fw-light);
  color: var(--color-text-primary);
  line-height: 1.1;
}

.section-title em {
  font-style: italic;
  color: var(--color-gold);
}

/* Subtítulo de Seção */
.section-subtitle {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: var(--fw-light);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

/* Cabeçalho centralizado de seções */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-title {
  margin-bottom: var(--space-4);
}

.section-header .section-subtitle {
  margin-top: var(--space-5);
}

/* ----------------------------------------------------------------
   4. UTILITÁRIOS — Container, Seções, Botões
   ---------------------------------------------------------------- */

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

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-12);
  }
}

/* Padding vertical padrão de seções */
.section-padding {
  padding-block: var(--space-20);
}

@media (min-width: 1024px) {
  .section-padding {
    padding-block: var(--space-32);
  }
}

/* Helper: apenas desktop */
.desktop-only {
  display: none;
}

@media (min-width: 768px) {
  .desktop-only {
    display: inline;
  }
}

/* ── Botões ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background-color var(--transition-luxury),
    color var(--transition-luxury),
    border-color var(--transition-luxury),
    box-shadow var(--transition-luxury),
    transform var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

/* Botão Primário — Dourado preenchido */
.btn-primary {
  background: var(--gradient-gold);
  color: var(--color-text-inverse);
  border: 1px solid transparent;
  box-shadow: var(--shadow-gold-sm);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, #e2c06d 0%, #c9a84c 50%, #b8922e 100%);
  box-shadow: var(--shadow-gold-md);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-gold-sm);
}

/* Botão Secundário — Contorno dourado */
.btn-secondary {
  background: transparent;
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(201, 168, 76, 0.10);
  color: var(--color-gold-pale);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* ── Divisor dourado decorativo ───────────────────────────────── */
.gold-divider {
  width: 60px;
  height: 1px;
  background: var(--gradient-gold);
  margin: var(--space-5) auto;
}

.gold-divider--left {
  margin-left: 0;
}

/* ----------------------------------------------------------------
   5. ANIMAÇÕES GLOBAIS
   ---------------------------------------------------------------- */

/* Fade in desde abaixo (usado com Intersection Observer) */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in simples */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Linha animada */
@keyframes lineGrow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Pulse — botão WhatsApp flutuante */
@keyframes pulse-ring {
  0%   { transform: scale(1);    box-shadow: 0 0 0 0 rgba(201, 168, 76, 0.50); }
  70%  { transform: scale(1.03); box-shadow: 0 0 0 14px rgba(201, 168, 76, 0); }
  100% { transform: scale(1);    box-shadow: 0 0 0 0 rgba(201, 168, 76, 0); }
}

/* Shimmer nos botões */
@keyframes shimmer {
  0%   { left: -100%; }
  100% { left:  200%; }
}

/* Reveal de scroll */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.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; }

/* ----------------------------------------------------------------
   6. ACESSIBILIDADE
   ---------------------------------------------------------------- */

/* Focus visível aprimorado */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* Reduz animações para usuários que preferem */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-overlay);
  background: var(--color-gold);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-dark-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gold-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* Seleção de texto */
::selection {
  background: rgba(201, 168, 76, 0.25);
  color: var(--color-gold-pale);
}