/* ===== TEMA COMPLETO SXI SOLUÇÕES TECNOLÓGICAS ===== */

:root {
    /* CORES PRINCIPAIS - Baseadas no logo SXI */
    --color-primary: #1a1a2e;           /* Azul escuro profissional */
    --color-primary-light: #16213e;     /* Azul médio */
    --color-primary-lighter: #0f3460;   /* Azul mais claro */

    /* CORES SECUNDÁRIAS */
    --color-secondary: #ff8c00;         /* Laranja do logo */
    --color-secondary-light: #ffa500;   /* Laranja claro */
    --color-secondary-dark: #e67300;    /* Laranja escuro */

    /* CORES NEUTRAS */
    --color-text-dark: #1a1a2e;        /* Texto escuro */
    --color-text-light: #ffffff;       /* Texto claro */
    --color-text-muted: #6c757d;       /* Texto suave */

    /* CORES DE SUPORTE */
    --color-success: #28a745;
    --color-warning: #ff8c00;           /* Usando laranja da marca */
    --color-error: #dc3545;
    --color-info: #17a2b8;

    /* BACKGROUNDS */
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #1a1a2e;
    --color-bg-section: #f5f7fa;

    /* GRADIENTES */
    --gradient-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gradient-secondary: linear-gradient(135deg, #ff8c00 0%, #ffa500 100%);
    --gradient-hero: linear-gradient(180deg, #1a1a2e 0%, #0f3460 100%);
}

/* ===== HEADER MODERNO ===== */
.header-top {
    background: var(--gradient-primary) !important;
    color: var(--color-text-light) !important;
    padding: 1.2rem 0 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
    position: relative !important;
    overflow: hidden !important;
    z-index: 1000 !important;
}

/* Detalhe laranja animado */
.header-top::before {
    content: '' !important;
    position: absolute !important;
    top: -100px !important;
    right: -100px !important;
    width: 300px !important;
    height: 300px !important;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.15) 0%, transparent 70%) !important;
    animation: pulse 3s ease-in-out infinite !important;
}

/* ===== NAVEGAÇÃO ===== */
.navbar {
    background: transparent !important;
    padding: 0 !important;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    padding: 0.8rem 1.2rem !important;
}

.nav-link::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 50% !important;
    width: 0 !important;
    height: 2px !important;
    background: var(--color-secondary) !important;
    transition: all 0.3s ease !important;
    transform: translateX(-50%) !important;
}

.nav-link:hover::after {
    width: 80% !important;
}

.nav-link:hover {
    color: var(--color-secondary) !important;
}

/* ===== BOTÕES ===== */
.btn {
    border-radius: 8px !important;
    padding: 0.75rem 1.5rem !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    text-transform: none !important;
}

.btn-primary {
    background: var(--gradient-secondary) !important;
    border: none !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3) !important;
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4) !important;
}

/* Botão Login/Registro especial */
.nav-link.btn {
    background: var(--color-secondary) !important;
    color: white !important;
    border-radius: 25px !important;
    padding: 0.6rem 1.5rem !important;
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--gradient-hero) !important;
    color: white !important;
    padding: 4rem 0 !important;
    position: relative !important;
}

.hero::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") !important;
}

.hero-title {
    font-size: 3rem !important;
    font-weight: 800 !important;
    margin-bottom: 1.5rem !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3) !important;
}

/* ===== CARDS ===== */
.card {
    border: none !important;
    border-radius: 12px !important;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08) !important;
    transition: all 0.3s ease !important;
    overflow: hidden !important;
}

.card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12) !important;
}

.card-header {
    background: var(--gradient-primary) !important;
    color: white !important;
    border: none !important;
    padding: 1.5rem !important;
}

/* ===== ANIMAÇÕES ===== */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

/* ===== RESPONSIVO ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem !important;
    }

    .header-top {
        padding: 1rem 0 !important;
    }

    .brand-identity img {
        height: 40px !important;
    }
}