/*
 * ============================================================
 * RF Advocacia Estratégica v2 — Base Styles
 * ============================================================
 * Reset, tipografia, scrollbar, animações base.
 */

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

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

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--accent);
    line-height: 1.3;
    letter-spacing: 0.3px;
    margin-bottom: 0.5em;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; }
h5 { font-size: 0.95rem; font-family: var(--font-sans); font-weight: 600; }

p {
    color: var(--text-secondary);
    margin-bottom: 1em;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

strong, b {
    font-weight: 600;
}

small {
    font-size: 0.85em;
    color: var(--text-muted);
}

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5rem 0;
}

/* Lists */
ul, ol {
    list-style: none;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Selection */
::selection {
    background-color: var(--accent);
    color: var(--accent-contrast);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* Focus ring */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* =========================================
   Animações de entrada
   ========================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

/* Utility classes */
.animate-fade-in     { animation: fadeIn 0.4s ease both; }
.animate-fade-in-up  { animation: fadeInUp 0.5s ease both; }
.animate-fade-in-down { animation: fadeInDown 0.5s ease both; }
.animate-scale-in    { animation: scaleIn 0.3s ease both; }

/* Stagger delays */
.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.1s; }
.delay-3 { animation-delay: 0.15s; }
.delay-4 { animation-delay: 0.2s; }
.delay-5 { animation-delay: 0.25s; }
.delay-6 { animation-delay: 0.3s; }

/* Text utilities */
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error   { color: var(--error); }
.text-warning { color: var(--warning); }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.5px; }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }

/* Spacing utilities */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Display utilities */
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }