/* ============================================
   VTECH MS - STYLES.CSS
   Ingeniería y Servicios - Brand Colors & Components
   ============================================ */

/* CSS Variables - Brand Color Palette */
:root {
    --blue-500: #1E88E5;
    --blue-700: #0B3B6E;
    --red-500: #E53935;
    --red-700: #B71C1C;
    --accent-amber: #FFC107;
    --bg-900: #0B1220;
    --text-100: #E6EEF7;
    --text-400: #9FB3C8;
    
    /* Additional utility colors */
    --white: #FFFFFF;
    --black: #000000;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-300: #D1D5DB;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--blue-500) 0%, var(--red-500) 100%);
    --gradient-hero: linear-gradient(135deg, var(--bg-900) 0%, var(--blue-700) 50%, var(--red-700) 100%);
    --gradient-card: linear-gradient(145deg, rgba(30, 136, 229, 0.1) 0%, rgba(229, 57, 53, 0.1) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow-blue: 0 0 20px rgba(30, 136, 229, 0.3);
    --shadow-glow-red: 0 0 20px rgba(229, 57, 53, 0.3);
    
    /* Breakpoints */
    --breakpoint-sm: 600px;
    --breakpoint-md: 992px;
    --breakpoint-lg: 1200px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-900);
    color: var(--text-100);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    max-width: var(--breakpoint-lg);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-400);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   BUTTON COMPONENTS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow-blue);
}

.btn-outline {
    background: transparent;
    color: var(--blue-500);
    border: 2px solid var(--blue-500);
}

.btn-outline:hover {
    background: var(--blue-500);
    color: var(--white);
    box-shadow: var(--shadow-glow-blue);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ============================================
   CARD COMPONENTS
   ============================================ */

.card {
    background: rgba(30, 136, 229, 0.05);
    border: 1px solid rgba(30, 136, 229, 0.1);
    border-radius: 1rem;
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--blue-500);
    background: rgba(30, 136, 229, 0.08);
}

.card-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-100);
}

.card-text {
    color: var(--text-400);
    margin-bottom: var(--spacing-md);
}

.card-description {
    color: var(--text-400);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.card-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.card-list li {
    color: var(--text-400);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.card-list li::before {
    content: '→';
    color: var(--blue-500);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* ============================================
   BADGE COMPONENT
   ============================================ */

.card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.badge {
    background: rgba(255, 193, 7, 0.1);
    color: var(--accent-amber);
    border: 1px solid rgba(255, 193, 7, 0.3);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 18, 32, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(30, 136, 229, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(11, 18, 32, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid rgba(30, 136, 229, 0.3);
    filter: drop-shadow(0 0 10px rgba(30, 136, 229, 0.5));
    transition: all var(--transition-normal);
}

.logo-icon:hover {
    filter: drop-shadow(0 0 15px rgba(30, 136, 229, 0.8));
    transform: scale(1.05);
    border-color: rgba(229, 57, 53, 0.5);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-100);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-400);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--blue-500);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-100);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-100);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-2xl) 0;
}

.hero-logo {
    margin-bottom: var(--spacing-lg);
}

.hero-logo-img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid rgba(30, 136, 229, 0.4);
    filter: drop-shadow(0 0 30px rgba(30, 136, 229, 0.7));
    animation: pulse-glow 3s ease-in-out infinite;
    transition: all var(--transition-normal);
}

.hero-logo-img:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 40px rgba(229, 57, 53, 0.8));
    border-color: rgba(229, 57, 53, 0.6);
}

@keyframes pulse-glow {
    0%, 100% {
        filter: drop-shadow(0 0 30px rgba(30, 136, 229, 0.7));
        border-color: rgba(30, 136, 229, 0.4);
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 40px rgba(229, 57, 53, 0.7));
        border-color: rgba(229, 57, 53, 0.4);
        transform: scale(1.05);
    }
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-3xl);
    font-weight: 300;
    color: var(--text-100);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-400);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.hero-cta {
    font-size: var(--font-size-lg);
    padding: 1rem 3rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    background: rgba(11, 59, 110, 0.05);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.service-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card .btn {
    margin-top: auto;
}

/* ============================================
   MISSION & VISION SECTION
   ============================================ */

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.mission-card .card-icon {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
}

.vision-card .card-icon {
    background: linear-gradient(135deg, var(--red-500), var(--red-700));
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */

.solutions {
    background: rgba(229, 57, 53, 0.03);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.solution-card {
    position: relative;
    overflow: hidden;
}

.solution-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(30, 136, 229, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.solution-card:hover::after {
    opacity: 1;
}

/* ============================================
   TRUST SECTION
   ============================================ */

.trust {
    background: rgba(255, 193, 7, 0.03);
    padding: var(--spacing-2xl) 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.trust-item {
    padding: var(--spacing-lg);
}

.trust-number {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--accent-amber);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 20px rgba(255, 193, 7, 0.5);
}

.trust-label {
    font-size: var(--font-size-sm);
    color: var(--text-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: rgba(11, 59, 110, 0.05);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
}

.contact-form {
    background: rgba(30, 136, 229, 0.05);
    padding: var(--spacing-2xl);
    border-radius: 1rem;
    border: 1px solid rgba(30, 136, 229, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--text-100);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: rgba(11, 18, 32, 0.8);
    border: 1px solid rgba(30, 136, 229, 0.2);
    border-radius: 0.5rem;
    color: var(--text-100);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.form-error {
    color: var(--red-500);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: block;
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--red-500);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.form-error {
    display: block;
    color: var(--red-500);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(229, 57, 53, 0.05);
    border-radius: 0.5rem;
    border: 1px solid rgba(229, 57, 53, 0.1);
}

.contact-item i {
    font-size: var(--font-size-xl);
    color: var(--red-500);
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: var(--text-100);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-400);
    line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--gray-800);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(30, 136, 229, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    color: var(--text-400);
    margin-top: var(--spacing-sm);
}

.footer-links h4,
.footer-social h4,
.footer-contact h4 {
    color: var(--text-100);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    display: block;
    color: var(--text-400);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--blue-500);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(30, 136, 229, 0.1);
    border: 1px solid rgba(30, 136, 229, 0.2);
    border-radius: 50%;
    color: var(--blue-500);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-blue);
}

.social-links a[aria-label*="YouTube"]:hover {
    background: #FF0000;
    color: var(--white);
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
}

.social-links a[aria-label*="TikTok"]:hover {
    background: #000000;
    color: var(--white);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.social-cta {
    color: var(--text-400);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    text-align: center;
    font-style: italic;
}

.footer-contact p {
    color: var(--text-400);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-contact i {
    color: var(--red-500);
    width: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(30, 136, 229, 0.1);
}

.footer-bottom p {
    color: var(--text-400);
    font-size: var(--font-size-sm);
}

/* ============================================
   TOAST COMPONENT
   ============================================ */

.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transform: translateX(400px);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 2000;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast i {
    font-size: var(--font-size-lg);
}

/* ============================================
   GLOW EFFECTS
   ============================================ */

.glow {
    animation: glow-pulse 2s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
    from {
        box-shadow: 0 0 20px rgba(30, 136, 229, 0.4);
    }
    to {
        box-shadow: 0 0 30px rgba(229, 57, 53, 0.6);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet Styles */
@media (max-width: 992px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-2xl);
    }
    
    .services-grid,
    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Mobile Styles */
@media (max-width: 600px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-900);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .services-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .toast {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        transform: translateY(-200px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-sm);
    }
    
    .hero-cta {
        padding: 0.875rem 2rem;
        font-size: var(--font-size-base);
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .hero-logo-img {
        width: 120px;
        height: 120px;
    }
    
    .logo-icon {
        width: 2rem;
        height: 2rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .card-icon {
        width: 3rem;
        height: 3rem;
        font-size: var(--font-size-xl);
    }
    
    .trust-number {
        font-size: var(--font-size-4xl);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus styles */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--blue-500);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-400: #FFFFFF;
        --bg-900: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    .navbar,
    .hero-bg,
    .particles,
    .toast {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU acceleration for animations */
.card,
.btn,
.nav-link,
.hero-icon {
    will-change: transform;
}

/* Optimize repaints */
.navbar {
    contain: layout style paint;
}

.hero {
    contain: layout style paint;
}

/* ============================================
   VIRTUAL STORE SECTION
   ============================================ */

.virtual-store {
    background: rgba(11, 18, 32, 0.02);
    border-top: 1px solid rgba(30, 136, 229, 0.1);
}

/* Store Categories */
.store-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-2xl) 0;
    flex-wrap: wrap;
}

.category-btn {
    background: rgba(30, 136, 229, 0.1);
    border: 2px solid rgba(30, 136, 229, 0.2);
    color: var(--text-400);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 2rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid rgba(30, 136, 229, 0.1);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--blue-500);
}

/* Product Image */
.product-image {
    background: var(--gradient-primary);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-icon {
    font-size: 4rem;
    color: var(--white);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

/* Product Badge */
.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-badge:not(.new):not(.premium) {
    background: var(--accent-amber);
    color: var(--bg-900);
}

.product-badge.new {
    background: var(--red-500);
    color: var(--white);
}

.product-badge.premium {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--bg-900);
}

/* Product Content */
.product-content {
    padding: var(--spacing-lg);
    background: var(--white);
    color: var(--bg-900);
}

.product-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--bg-900);
    margin-bottom: var(--spacing-xs);
}

.product-description {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* Product Features */
.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.feature-tag {
    background: rgba(30, 136, 229, 0.1);
    color: var(--blue-700);
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid rgba(30, 136, 229, 0.2);
}

/* Product Rating */
.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.stars {
    display: flex;
    gap: 2px;
}

.stars i {
    color: var(--accent-amber);
    font-size: var(--font-size-sm);
}

.rating-text {
    color: var(--gray-600);
    font-size: var(--font-size-xs);
}

/* Product Price */
.product-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.price-old {
    color: var(--gray-600);
    text-decoration: line-through;
    font-size: var(--font-size-sm);
}

.price-current {
    color: var(--red-500);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.price-period {
    color: var(--gray-600);
    font-size: var(--font-size-xs);
}

/* Store Button */
.btn-store {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-normal);
}

.btn-store:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Store Features */
.store-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: rgba(30, 136, 229, 0.05);
    border-radius: 1rem;
    border: 1px solid rgba(30, 136, 229, 0.1);
}

.store-feature {
    text-align: center;
    padding: var(--spacing-md);
}

.store-feature i {
    font-size: var(--font-size-3xl);
    color: var(--blue-500);
    margin-bottom: var(--spacing-sm);
}

.store-feature h4 {
    color: var(--text-100);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.store-feature p {
    color: var(--text-400);
    font-size: var(--font-size-sm);
}

/* Product Filtering */
.product-card.hidden {
    display: none;
}

.product-card.show {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

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

/* Responsive Store Design */
@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .store-categories {
        gap: var(--spacing-xs);
    }
    
    .category-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 600px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 150px;
    }
    
    .product-icon {
        font-size: 3rem;
    }
    
    .product-content {
        padding: var(--spacing-md);
    }
    
    .store-categories {
        flex-direction: column;
        align-items: center;
    }
    
    .store-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

/* Purchase Modal */
.purchase-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 18, 32, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.purchase-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: 1rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.8);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-xl);
}

.purchase-modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(30, 136, 229, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--bg-900);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--gray-600);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.modal-close:hover {
    background: rgba(229, 57, 53, 0.1);
    color: var(--red-500);
}

.modal-body {
    padding: var(--spacing-lg);
    color: var(--bg-900);
}

.modal-body p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-600);
}

.modal-body h4 {
    color: var(--blue-700);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-sm);
    background: rgba(30, 136, 229, 0.1);
    border-radius: 0.5rem;
    text-align: center;
}

.modal-actions {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(30, 136, 229, 0.1);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.modal-actions .btn {
    padding: var(--spacing-xs) var(--spacing-lg);
    min-width: 120px;
}

/* ============================================
   END OF STYLES
   ============================================ */