/* ============================================
   CARTA VIRTUAL RÉVEILLON - BASE STYLES
   ============================================ */

:root {
    /* Paleta Dourada de Réveillon */
    --gold-light: #FFD700;
    --gold-main: #C9A227;
    --gold-dark: #8B6914;
    --gold-shine: #FFF8DC;
    
    /* Cores de Fundo */
    --bg-dark: #0a0a0f;
    --bg-gradient-start: #0a0a0f;
    --bg-gradient-mid: #12121f;
    --bg-gradient-end: #1a1a2e;
    
    /* Cores de Destaque */
    --wine: #722F37;
    --wine-dark: #4a1f24;
    --champagne: #F7E7CE;
    --pearl: #FAFAFA;
    
    /* Tipografia */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, sans-serif;
    
    /* Sombras e Efeitos */
    --glow-gold: 0 0 20px rgba(255, 215, 0, 0.4), 0 0 40px rgba(201, 162, 39, 0.2);
    --glow-gold-intense: 0 0 30px rgba(255, 215, 0, 0.6), 0 0 60px rgba(201, 162, 39, 0.4);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
    color: var(--champagne);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Particles Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gold-light);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    font-size: 1rem;
    color: var(--champagne);
}

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

a:hover {
    color: var(--gold-light);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 10;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-main) 0%, var(--gold-light) 50%, var(--gold-main) 100%);
    background-size: 200% 200%;
    color: var(--bg-dark);
    box-shadow: var(--glow-gold);
    animation: shimmer 3s ease-in-out infinite;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--glow-gold-intense);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
    background: transparent;
    color: var(--gold-light);
    border: 2px solid var(--gold-main);
}

.btn-secondary:hover {
    background: rgba(201, 162, 39, 0.1);
    border-color: var(--gold-light);
}

.btn-ghost {
    background: transparent;
    color: var(--champagne);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    opacity: 0.7;
}

.btn-ghost:hover {
    opacity: 1;
    color: var(--gold-light);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gold-main);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--pearl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--gold-main);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(247, 231, 206, 0.4);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(201, 162, 39, 0.2);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
}

.card-glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--gold-main), var(--gold-light));
    color: var(--bg-dark);
}

.badge-wine {
    background: linear-gradient(135deg, var(--wine), var(--wine-dark));
    color: var(--champagne);
}

/* Divider */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-main), transparent);
    margin: 2rem 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--gold-main), transparent);
}

/* Animations */
@keyframes shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: var(--glow-gold); }
    50% { box-shadow: var(--glow-gold-intense); }
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
    border-radius: 4px;
}

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

/* Selection */
::selection {
    background: var(--gold-main);
    color: var(--bg-dark);
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-gold { color: var(--gold-light); }
.text-champagne { color: var(--champagne); }
.text-wine { color: var(--wine); }

.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; }

.hidden { display: none !important; }
.visible { display: block !important; }