/* ==========================================================================
   institucional_base.css
   Reset CSS, Paleta de Cores, Tipografia e Classes Utilitárias
   A.R.L.S. Pesquisas e Estudos Voltaire nº 4281
   ========================================================================== */

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

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

body {
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
    line-height: 1.2;
}

p {
    overflow-wrap: break-word;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* --------------------------------------------------------------------------
   2. Variáveis de Paleta de Cores e Tipografia
   -------------------------------------------------------------------------- */
:root {
    /* Paleta Institucional */
    --cor-vinho-escuro: #1e0d13;
    --cor-vinho-medio: #2b0f16;
    --cor-bordeaux: #4a1a2a;
    --cor-dourado: #d4af37;
    --cor-dourado-claro: #e8c84a;
    --cor-branco: #ffffff;
    --cor-preto: #000000;
    --cor-texto: #f0e6d3;
    --cor-card: #32111c;
    --cor-card-hover: #431727;

    /* Tipografia */
    --font-titulo: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-corpo: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

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

    /* Bordas */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 70px;
}

/* --------------------------------------------------------------------------
   3. Tipografia Base
   -------------------------------------------------------------------------- */
body {
    font-family: var(--font-corpo);
    font-size: 1rem;
    color: var(--cor-texto);
    background-color: var(--cor-vinho-escuro);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-titulo);
    color: var(--cor-dourado);
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

h5 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

h6 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--cor-texto);
}

a {
    color: var(--cor-dourado);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--cor-dourado-claro);
}

strong, b {
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   4. Classes Utilitárias - Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.section {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

.section--sm {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

/* --------------------------------------------------------------------------
   5. Classes Utilitárias - Flexbox
   -------------------------------------------------------------------------- */
.flex {
    display: flex;
}

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

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

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

.items-start {
    align-items: flex-start;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-end {
    justify-content: flex-end;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

.gap-xl {
    gap: var(--spacing-xl);
}

/* --------------------------------------------------------------------------
   6. Classes Utilitárias - Grid
   -------------------------------------------------------------------------- */
.grid {
    display: grid;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* --------------------------------------------------------------------------
   7. Classes Utilitárias - Texto
   -------------------------------------------------------------------------- */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-dourado {
    color: var(--cor-dourado);
}

.text-branco {
    color: var(--cor-branco);
}

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.font-titulo {
    font-family: var(--font-titulo);
}

.font-corpo {
    font-family: var(--font-corpo);
}

/* --------------------------------------------------------------------------
   8. Classes Utilitárias - Espaçamento
   -------------------------------------------------------------------------- */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

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

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* --------------------------------------------------------------------------
   9. Classes Utilitárias - Cards
   -------------------------------------------------------------------------- */
.card {
    background-color: var(--cor-card);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    transition: background-color var(--transition-normal),
                transform var(--transition-normal),
                box-shadow var(--transition-normal);
}

.card:hover {
    background-color: var(--cor-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card--no-hover:hover {
    transform: none;
    box-shadow: none;
}

/* --------------------------------------------------------------------------
   10. Classes Utilitárias - Botões
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-corpo);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast),
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.btn-dourado {
    background-color: var(--cor-dourado);
    color: var(--cor-preto);
}

.btn-dourado:hover {
    background-color: var(--cor-dourado-claro);
    color: var(--cor-preto);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--cor-dourado);
    color: var(--cor-dourado);
}

.btn-outline:hover {
    background-color: var(--cor-dourado);
    color: var(--cor-preto);
}

/* --------------------------------------------------------------------------
   11. Classes Utilitárias - Visibilidade e Display
   -------------------------------------------------------------------------- */
.hidden {
    display: none;
}

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

/* --------------------------------------------------------------------------
   12. Estilos de Formulário Base
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--cor-texto);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--cor-vinho-medio);
    border: 1px solid var(--cor-bordeaux);
    border-radius: var(--border-radius-sm);
    color: var(--cor-texto);
    font-size: 1rem;
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--cor-dourado);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-input::placeholder {
    color: rgba(240, 230, 211, 0.5);
}

/* --------------------------------------------------------------------------
   13. Separadores e Decorações
   -------------------------------------------------------------------------- */
.divider {
    width: 80px;
    height: 2px;
    background-color: var(--cor-dourado);
    margin: var(--spacing-lg) auto;
}

.divider--wide {
    width: 100%;
    height: 1px;
    background-color: var(--cor-bordeaux);
}

/* --------------------------------------------------------------------------
   14. Rodapé Institucional
   -------------------------------------------------------------------------- */
.footer {
    width: 100%;
    background-color: var(--cor-vinho-escuro);
    border-top: 1px solid var(--cor-bordeaux);
    padding: 2.5rem 1.5rem 2rem;
    text-align: center;
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer__brand {
    margin-bottom: 1.5rem;
}

.footer__title {
    font-family: var(--font-titulo);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cor-dourado);
    margin-bottom: 0.5rem;
}

.footer__info {
    font-family: var(--font-corpo);
    font-size: 0.85rem;
    color: var(--cor-texto);
    opacity: 0.7;
    margin-bottom: 0.25rem;
}

.footer__bottom {
    padding-top: 1.2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.12);
}

.footer__copyright {
    font-family: var(--font-corpo);
    font-size: 0.8rem;
    color: var(--cor-texto);
    opacity: 0.5;
    margin: 0;
}