/* ========================================
   FOUR LOOP COMMERCE - STYLESHEET OTIMIZADO
   Autor: Lailson Azevedo (Recriado por Manus)
   Tema: Minimalismo Corporativo Escuro
   Cores: #0b0b0b (fundo), #04b404 (accent)
   Versão: 2.0 - Com melhorias UX/UI e Suporte a Temas
   ======================================== */

/* ========== RESET E VARIÁVEIS ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Tema Escuro (Default) */
    --primary-bg: #0b0b0b;
    --primary-text: #ffffff;
    --secondary-text: #c0c0c0;
    --accent: #04b404;
    --accent-dark: #038003;
    --accent-light: #06d406;
    --card-bg: #1a1a1a;
    --border: #2a2a2a;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --navbar-bg: rgba(11, 11, 11, 0.95);
    --hero-gradient: linear-gradient(135deg, #0b0b0b 0%, #1a1a1a 100%);
    --section-gradient: linear-gradient(135deg, #1a1a1a 0%, #0b0b0b 100%);
    --footer-bg: #000000;
    --glass-bg: rgba(26, 26, 26, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.3);
}

/* Tema Claro */
[data-theme="light"] {
    --primary-bg: #f5f5f7;
    --primary-text: #1d1d1f;
    --secondary-text: #424245;
    --accent: #04b404;
    --accent-dark: #038003;
    --accent-light: #06d406;
    --card-bg: #ffffff;
    --border: #d2d2d7;
    --navbar-bg: rgba(245, 245, 247, 0.95);
    --hero-gradient: linear-gradient(135deg, #f5f5f7 0%, #e5e5e7 100%);
    --section-gradient: linear-gradient(135deg, #e5e5e7 0%, #f5f5f7 100%);
    --footer-bg: #f5f5f7;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --glass-shadow: rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========== COMPONENTES GERAIS ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(4, 180, 4, 0.3);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-text);
}

.accent-text {
    color: var(--accent);
}

/* ========== NAVBAR ========== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-text);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--primary-text);
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ========== HERO SECTION ========== */
.hero {
    padding: 160px 0 100px;
    background: var(--hero-gradient);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--secondary-text);
    margin-bottom: 30px;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* ========== FEATURES / MODULES ========== */
.features {
    padding: 100px 0;
    background-color: var(--primary-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--accent);
}

.feature-card ul {
    list-style: none;
    margin-top: 15px;
}

.feature-card li {
    color: var(--secondary-text);
    margin-bottom: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-card li::before {
    content: "•";
    color: var(--accent);
}

/* ========== FAQ ========== */
.faq {
    padding: 100px 0;
    background: var(--section-gradient);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

details {
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    overflow: hidden;
}

summary {
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--accent);
}

details[open] summary::after {
    content: "-";
}

.faq-content {
    padding: 0 20px 20px;
    color: var(--secondary-text);
}

/* ========== FORM ========== */
.contact {
    padding: 100px 0;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--primary-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--primary-text);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--accent);
}

/* ========== FOOTER ========== */
footer {
    background: var(--footer-bg);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h4 {
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-info p, .footer-info a {
    color: var(--secondary-text);
    text-decoration: none;
    margin-bottom: 10px;
    display: block;
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--secondary-text);
    font-size: 0.9rem;
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none;
    }
}