/* ==========================================================================
   Cyber-Growth & Masterpiece Aesthetic — Artes do Sul 2026
   ========================================================================== */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

:root {
    --gold: #F59E0B;
    --gold-bright: #FBBF24;
    --gold-dark: #B45309;
    --obsidian: #030712;
    --obsidian-surface: #0B1120;
    --emerald-accent: #10B981;
    --cyan-accent: #06B6D4;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-card: rgba(15, 23, 42, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(245, 158, 11, 0.35);
}

html {
    scroll-behavior: smooth;
    background-color: var(--obsidian);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--obsidian);
    color: #E2E8F0;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'Outfit', sans-serif;
}

/* Utilitários de Cor */
.text-gold { color: var(--gold); }
.text-gold-bright { color: var(--gold-bright); }
.bg-gold { background-color: var(--gold); }
.border-gold { border-color: var(--gold); }
.from-gold { --tw-gradient-from: var(--gold); }
.to-gold-dark { --tw-gradient-to: var(--gold-dark); }
.bg-obsidian { background-color: var(--obsidian); }
.bg-obsidian-surface { background-color: var(--obsidian-surface); }

/* Glassmorphism & Cards */
.glass {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.glass-card {
    background: var(--glass-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 0 30px -10px rgba(245, 158, 11, 0.15);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Card Spotlight Glow */
.spotlight-card {
    position: relative;
    overflow: hidden;
}

.spotlight-card::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, -999px);
    left: var(--mouse-x, -999px);
    transform: translate(-50%, -50%);
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, rgba(245, 158, 11, 0) 70%);
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.spotlight-card:hover::before {
    opacity: 1;
}

/* Custom Shadows & Glow */
.shadow-3xl {
    box-shadow: 0 35px 60px -15px rgba(0, 0, 0, 0.8);
}

.glow-gold {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.25);
}

.glow-emerald {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.25);
}

/* Animações */
@keyframes pulse-slow {
    0%, 100% { opacity: 0.15; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(1.08); }
}

.animate-pulse-slow {
    animation: pulse-slow 8s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* Filtros do Portfólio */
.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    color: #94A3B8;
}

.filter-btn:hover {
    color: #FFFFFF;
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.08);
}

.filter-btn.active {
    background: var(--gold);
    color: var(--obsidian);
    border-color: var(--gold);
    font-weight: 700;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

/* Floating WhatsApp Button */
.whatsapp-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    width: 3.75rem;
    height: 3.75rem;
    border-radius: 9999px;
    background: #25D366;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-fab:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--obsidian);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}