/* Variables de diseño */
:root {
    --primary-orange: #FF6B35;
    --primary-orange-dark: #E55A2B;
    --primary-orange-light: #FF8C61;
    --bg-dark: #0F1419;
    --bg-card: #1A1F2E;
    --bg-card-hover: #222836;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A6B5;
    --text-muted: #6B7280;
    --border-color: #2D3545;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --gradient-primary: linear-gradient(135deg, var(--primary-orange) 0%, #FF8C61 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-item {
    padding: 10px 18px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.nav-item:hover {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--primary-orange);
}

.nav-item.active {
    background-color: var(--primary-orange);
    color: white;
}

.user-email {
    color: var(--text-secondary);
    font-size: 14px;
    margin-right: 15px;
}

.logout-button, .login-button {
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 14px;
}

.login-button {
    background-color: var(--primary-orange);
    color: white;
}

.login-button:hover {
    background-color: var(--primary-orange-dark);
}

.logout-button {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.logout-button:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

/* Main content */
main {
    flex: 1;
}

/* Hero section */
.hero-section {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #151A25 100%);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--primary-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: left;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    border-color: var(--primary-orange);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* CTA section */
.cta-section {
    margin-top: 40px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
}

.arrow-icon {
    width: 20px;
    height: 20px;
}

/* Footer */
.footer {
    padding: 30px;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}