/* ===================================
   CSS Variables - Design System
   =================================== */
:root {
    /* Primary Colors */
    --color-primary: #007AFF;
    --color-success: #28A745;
    --color-accent: #FF6B35;

    /* Neutral Colors */
    --color-dark: #212529;
    --color-gray-dark: #495057;
    --color-gray: #6C757D;
    --color-gray-light: #F8F9FA;
    --color-white: #FFFFFF;
    --color-border: #DEE2E6;

    /* App Colors */
    --color-magica: #6C63FF;
    --color-ev: #00D084;
    --color-rifo: #0332EF;

    /* Typography */
    --font-primary: 'Lato', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* Sizing */
    --font-size-hero: 56px;
    --font-size-h1: 40px;
    --font-size-h2: 32px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;
    --font-size-body: 16px;
    --font-size-small: 14px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --spacing-section: 80px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.16);

    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--color-primary);
    opacity: 0.8;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    background: var(--color-white);
    box-shadow: var(--shadow-light);
    padding: 1rem 0;
    transition: var(--transition-base);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-dark) !important;
}

.nav-link {
    color: var(--color-gray-dark) !important;
    font-weight: var(--font-weight-regular);
    padding: 0.5rem 1rem !important;
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary) !important;
}

.nav-link.btn-primary {
    background: var(--color-primary) !important;
    color: var(--color-white) !important;
    border-radius: var(--radius-md);
    padding: 0.5rem 1.5rem !important;
}

.nav-link.btn-primary:hover {
    background: #0056D6 !important;
    color: var(--color-white) !important;
    opacity: 1;
}

/* ===================================
   Components
   =================================== */

/* Cards */
.card-custom {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    padding: var(--spacing-md);
    transition: var(--transition-base);
    border: none;
    height: 100%;
}

.card-custom:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

/* Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0056D6 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-weight: var(--font-weight-bold);
    border: none;
    box-shadow: 0 2px 4px rgba(0, 122, 255, 0.2);
    transition: var(--transition-base);
    display: inline-block;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 122, 255, 0.3);
    color: var(--color-white);
}

.btn-secondary-custom {
    background: var(--color-gray-light);
    color: var(--color-dark);
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-weight: var(--font-weight-bold);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    display: inline-block;
}

.btn-secondary-custom:hover {
    background: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
    color: var(--color-dark);
}

/* Store Badges */
.store-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.store-badges.justify-content-center {
    justify-content: center;
}

.store-badge {
    height: 48px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.store-badge:hover {
    transform: scale(1.05);
}

/* ===================================
   Sections
   =================================== */
.section {
    padding: var(--spacing-section) 0;
}

.section-gray {
    background-color: var(--color-gray-light);
}

/* Hero Section */
.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-white) 100%);
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-h4);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

/* App Cards */
.app-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
    height: 100%;
}

.app-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
}

.app-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.app-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.badge-magica {
    background: linear-gradient(135deg, var(--color-magica), #8B84FF);
}

.badge-ev {
    background: linear-gradient(135deg, var(--color-ev), #00F5A0);
}

.badge-rifo {
    background: linear-gradient(135deg, var(--color-rifo), #4A5FFF);
}

/* Features */
.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

/* Stats Section */
.stat-number {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-h4);
    color: var(--color-gray);
}

/* Footer */
.footer {
    background: var(--color-gray-light);
    color: var(--color-gray-dark);
}

.footer h5 {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.footer-link {
    color: var(--color-gray);
    transition: var(--transition-base);
}

.footer-link:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    color: var(--color-gray);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 768px) {
    :root {
        --font-size-hero: 32px;
        --font-size-h1: 28px;
        --font-size-h2: 24px;
        --font-size-h3: 20px;
        --font-size-h4: 18px;
        --spacing-section: 48px;
    }

    .hero-section {
        min-height: auto;
        padding: var(--spacing-xl) 0;
        padding-top: 100px;
    }

    .hero-title {
        font-size: 32px;
    }

    .store-badge {
        height: 40px;
    }

    .store-badges {
        justify-content: center;
        margin-bottom: var(--spacing-md);
    }

    .hero-section .col-lg-6 {
        text-align: center;
    }

    .app-card {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    .btn-primary-custom,
    .btn-secondary-custom {
        width: 100%;
        text-align: center;
    }
}

/* ===================================
   Utilities
   =================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-section { margin-bottom: var(--spacing-section); }
.mt-section { margin-top: var(--spacing-section); }
.py-section { padding: var(--spacing-section) 0; }