/**
 * Fritts Energia Solar - Reusable UI Components
 * Botões, Cards, Badges, Indicadores e Componentes Visuais
 */

/* ==========================================================================
   1. BOTÕES REUTILIZÁVEIS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 2px solid var(--color-solar-orange);
    outline-offset: 2px;
}

/* Botão Primário (Laranja Solar com Sombra Suave) */
.btn-primary {
    background-color: var(--color-solar-orange);
    color: var(--color-white);
    box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
    background-color: var(--color-solar-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(245, 124, 0, 0.45);
    color: var(--color-white);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Botão Secundário / Outline Branco (Para uso no Hero / Fundo Escuro) */
.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--color-white);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Botão WhatsApp no Header */
.btn-whatsapp-header {
    background-color: var(--color-solar-orange);
    color: var(--color-white);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
}

.btn-whatsapp-header:hover {
    background-color: var(--color-solar-orange-dark);
    box-shadow: var(--shadow-orange);
    color: var(--color-white);
}

/* Botão WhatsApp no Footer */
.btn-whatsapp-footer {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp-footer:hover {
    background-color: var(--color-whatsapp-dark);
    transform: translateY(-2px);
    color: var(--color-white);
}

/* Tamanhos de Botão */
.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-base);
    border-radius: var(--radius-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    flex-shrink: 0;
}

/* ==========================================================================
   2. BADGES & TAGS
   ========================================================================== */
.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
}

.badge-solar {
    background-color: rgba(245, 124, 0, 0.12);
    color: var(--color-solar-orange-dark);
}

.badge-solar-gold {
    background-color: rgba(251, 192, 45, 0.18);
    color: #946200;
}

.badge-hero {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-solar-yellow);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(6px);
}

/* ==========================================================================
   3. CABEÇALHO DE SEÇÕES (SECTION HEADERS)
   ========================================================================== */
.section-header {
    margin-bottom: var(--space-2xl);
}

.section-header.text-center {
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-category {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-solar-orange);
    margin-bottom: var(--space-xs);
    display: inline-block;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.section-title-testimonials {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.section-subtitle {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   4. CARDS BASE
   ========================================================================== */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(13, 71, 161, 0.15);
}

.card-body {
    padding: var(--space-lg);
}

/* ==========================================================================
   5. BOTÃO FLUTUANTE DO WHATSAPP COM ANIMAÇÃO DE PULSO
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
    z-index: var(--z-fixed);
    transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.08);
    background-color: var(--color-whatsapp-dark);
    color: var(--color-white);
}

.whatsapp-float-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    background-color: var(--color-whatsapp);
    opacity: 0.7;
    z-index: -1;
    animation: whatsappPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes whatsappPulse {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }
    70% {
        transform: scale(1.35);
        opacity: 0;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}