/**
 * STYLE.CSS - Design System Unificado
 * Troféu Litoral Music 2026
 */

:root {
    --roxo-principal: #6a1b9a;
    --roxo-escuro: #4a148c;
    --roxo-claro: #9c4dcc;
    --roxo-suave: #e1bee7;
    --roxo-transparente: rgba(106, 27, 154, 0.1);
    
    --branco-puro: #ffffff;
    --branco-fundo: #f8f9fa;
    --cinza-claro: #e9ecef;
    --cinza-medio: #dee2e6;
    --cinza-escuro: #6c757d;
    
    --texto-principal: #212529;
    --texto-secundario: #6c757d;
    
    --azul-mar: #1976d2;
    --verde-mata: #388e3c;
    --amarelo-sol: #ffb300;
    
    --borda-radius: 12px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 10px 25px rgba(106, 27, 154, 0.15);
    --transicao: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--branco-fundo);
    color: var(--texto-principal);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main { flex: 1 0 auto; }

/* ===== UTILITÁRIOS ===== */
.text-roxo { color: var(--roxo-principal) !important; }
.bg-roxo { background-color: var(--roxo-principal) !important; }
.border-roxo { border-color: var(--roxo-principal) !important; }
.fw-500 { font-weight: 500 !important; }
.fw-600 { font-weight: 600 !important; }
.fw-700 { font-weight: 700 !important; }

/* ===== HEADER ===== */
.site-header {
    background: linear-gradient(135deg, var(--roxo-escuro) 0%, var(--roxo-principal) 100%);
    padding: 0.75rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transicao);
}
.logo-img:hover { transform: scale(1.05); }

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: var(--transicao);
    font-weight: 500;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    background-color: rgba(255, 255, 255, 0.15);
    color: white !important;
    transform: translateY(-2px);
}
.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white !important;
    font-weight: 600;
}

.dropdown-menu {
    background: linear-gradient(135deg, var(--roxo-principal) 0%, var(--roxo-escuro) 100%);
    border: none;
    border-radius: var(--borda-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
}
.dropdown-item {
    color: white;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    transition: var(--transicao);
}
.dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateX(5px);
}
.dropdown-divider { border-top-color: rgba(255, 255, 255, 0.2); }

/* ===== BANNER ===== */
.banner-litoral {
    background: linear-gradient(rgba(106, 27, 154, 0.9), rgba(74, 20, 140, 0.9)), 
                url('https://images.unsplash.com/photo-1519046904884-53103b34b206?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 5rem 0;
    margin-bottom: 3rem;
}
.banner-litoral h1 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}
.banner-litoral .btn-primary {
    background-color: var(--amarelo-sol);
    border-color: var(--amarelo-sol);
    color: var(--texto-principal);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    transition: var(--transicao);
}
.banner-litoral .btn-primary:hover {
    background-color: #ffa000;
    border-color: #ffa000;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 179, 0, 0.4);
}

/* ===== CARDS ===== */
.card-litoral {
    background: var(--branco-puro);
    border: none;
    border-radius: var(--borda-radius);
    overflow: hidden;
    transition: var(--transicao);
    box-shadow: var(--box-shadow);
    height: 100%;
}
.card-litoral:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
}
.card-header-litoral {
    background: linear-gradient(135deg, var(--roxo-principal) 0%, var(--roxo-claro) 100%);
    color: white;
    padding: 1.5rem;
    border-bottom: none;
}
.card-header-litoral h5 { margin: 0; font-weight: 600; }
.card-body-litoral { padding: 2rem; }

/* ===== BOTÕES ===== */
.btn-litoral {
    background: linear-gradient(135deg, var(--roxo-principal) 0%, var(--roxo-claro) 100%);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transicao);
}
.btn-litoral:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(106, 27, 154, 0.4);
    color: white;
}
.btn-outline-litoral {
    background: transparent;
    border: 2px solid var(--roxo-principal);
    color: var(--roxo-principal);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transicao);
}
.btn-outline-litoral:hover {
    background: var(--roxo-principal);
    color: white;
    transform: translateY(-3px);
}

/* ===== BADGES ===== */
.badge-litoral {
    background-color: var(--roxo-suave);
    color: var(--roxo-escuro);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-weight: 600;
    display: inline-block;
}

/* ===== STEP NUMBERS ===== */
.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--roxo-principal) 0%, var(--roxo-claro) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 5px 15px rgba(106, 27, 154, 0.3);
}

/* ===== CARDS DE CONCORRENTES ===== */
.concorrente-card {
    background: var(--branco-puro);
    border: none;
    border-radius: var(--borda-radius);
    overflow: hidden;
    transition: var(--transicao);
    box-shadow: var(--box-shadow);
    height: 100%;
}
.concorrente-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
}
.concorrente-card .card-body { padding: 2rem 1.5rem; }
.concorrente-foto-wrapper { position: relative; display: inline-block; margin-bottom: 1rem; }
.concorrente-foto-wrapper::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, var(--roxo-principal), var(--roxo-claro));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transicao);
}
.concorrente-card:hover .concorrente-foto-wrapper::after {
    opacity: 1;
    transform: scale(1.05);
}

/* ===== MODAIS ===== */
.modal-content {
    border: none;
    border-radius: var(--borda-radius);
    overflow: hidden;
}
.modal-header {
    border-bottom: none;
    padding: 1.5rem;
}
.modal-header .btn-close-white { filter: brightness(0) invert(1); }
.modal-body { padding: 2rem; }
.modal-footer {
    border-top: 1px solid var(--cinza-medio);
    padding: 1.25rem 1.5rem;
}

/* ===== FOOTER ===== */
.site-footer {
    background: linear-gradient(135deg, #212529 0%, #1a1e21 100%);
    color: white;
    margin-top: auto;
    border-top: 3px solid var(--roxo-principal);
}
.site-footer a { transition: var(--transicao); }
.site-footer a:hover {
    color: var(--roxo-claro) !important;
    text-decoration: none;
}

/* ===== ONDA DECORATIVA ===== */
.litoral-wave {
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--azul-mar), var(--verde-mata), var(--amarelo-sol), transparent);
    margin: 2rem 0;
    opacity: 0.7;
    border-radius: 2px;
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out; }

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}
.animate-pulse { animation: pulse 2s infinite; }

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 992px) {
    .banner-litoral h1 { font-size: 2.2rem; }
    .banner-litoral { text-align: center; padding: 3rem 0; }
}

@media (max-width: 768px) {
    .navbar-nav { padding: 1rem 0; }
    .navbar-nav .nav-link { padding: 0.75rem 1rem !important; }
    .banner-litoral h1 { font-size: 1.8rem; }
    .logo-img { height: 40px; }
    .card-litoral, .concorrente-card { margin-bottom: 1rem; }
}

@media (max-width: 576px) {
    .banner-litoral { padding: 2rem 0; }
    .banner-litoral h1 { font-size: 1.5rem; }
    .step-number { width: 50px; height: 50px; font-size: 1.5rem; }
}