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

:root {
    /* Color System - Trust & Tech Palette */
    --navy-deep: #0B1120;
    --security-blue: #1E40AF;
    --tech-electric: #3B82F6;
    --ice-tint: #EFF6FF;
    --page-background: #F8FAFC;
    --surface-white: #FFFFFF;
    --secondary-text: #64748B;
    --border-color: #E2E8F0;
    --success-green: #10B981;
    --warning-amber: #F59E0B;
    --alert-red: #EF4444;
    
    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(11, 17, 32, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(11, 17, 32, 0.1), 0 2px 4px -1px rgba(11, 17, 32, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(30, 64, 175, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-normal: 250ms ease-out;
    --transition-slow: 400ms ease-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--navy-deep);
    background-color: var(--page-background);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy-deep);
}

h1 { font-size: 3.5rem; font-weight: 700; line-height: 1.1; }
h2 { font-size: 2.5rem; font-weight: 600; line-height: 1.2; }
h3 { font-size: 1.5rem; font-weight: 600; line-height: 1.3; }
h4 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
h5 { font-size: 1.125rem; font-weight: 500; line-height: 1.4; }
h6 { font-size: 1rem; font-weight: 500; line-height: 1.4; }

p {
    color: var(--secondary-text);
    margin-bottom: var(--spacing-md);
}

/* Header */
.header {
    background: var(--surface-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1280px;
    margin: 0 auto;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--security-blue);
}

.nav-brand .logo i {
    width: 32px;
    height: 32px;
    color: var(--tech-electric);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
}

.nav-link {
    text-decoration: none;
    color: var(--navy-deep);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--tech-electric);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tech-electric);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-call {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--tech-electric);
    color: var(--surface-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.btn-call:hover {
    background: var(--security-blue);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--navy-deep);
    margin: 3px 0;
    transition: var(--transition-normal);
}

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--navy-deep) 0%, var(--security-blue) 100%);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1558618047-3c8c76ca7d13?w=1200&h=600&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-text {
    max-width: 600px;
    color: var(--surface-white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--surface-white);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    color: var(--border-color);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--tech-electric);
    color: var(--surface-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--security-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: transparent;
    color: var(--surface-white);
    border: 2px solid var(--surface-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: var(--surface-white);
    color: var(--navy-deep);
}

.hero-features {
    display: flex;
    gap: var(--spacing-2xl);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--surface-white);
}

.feature i {
    width: 20px;
    height: 20px;
    color: var(--success-green);
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Products Section */
.products-section {
    padding: var(--spacing-4xl) 0;
}

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

.product-card {
    background: var(--surface-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--tech-electric);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--tech-electric);
    color: var(--surface-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-title {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.product-description {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.feature-tag {
    background: var(--ice-tint);
    color: var(--security-blue);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tech-electric);
    margin-bottom: var(--spacing-md);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-product {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--tech-electric);
    color: var(--surface-white);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-product:hover {
    background: var(--security-blue);
}

.btn-icon {
    padding: var(--spacing-sm);
    background: var(--surface-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    border-color: var(--tech-electric);
    color: var(--tech-electric);
}

/* Services Section */
.services-section {
    padding: var(--spacing-4xl) 0;
    background: var(--surface-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.service-card:hover {
    background: var(--ice-tint);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--tech-electric);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.service-icon i {
    width: 32px;
    height: 32px;
    color: var(--surface-white);
}

.service-title {
    margin-bottom: var(--spacing-md);
}

.service-description {
    margin-bottom: var(--spacing-lg);
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.service-features i {
    width: 16px;
    height: 16px;
    color: var(--success-green);
}

/* Solutions Section */
.solutions-section {
    padding: var(--spacing-4xl) 0;
}

.solutions-tabs {
    max-width: 800px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    background: var(--surface-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    background: var(--tech-electric);
    color: var(--surface-white);
}

.tab-content {
    position: relative;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.solution-text h3 {
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.solution-text p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.solution-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.solution-features i {
    width: 20px;
    height: 20px;
    color: var(--success-green);
}

.solution-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.solution-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-4xl) 0;
    background: var(--surface-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-card {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--tech-electric);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--tech-electric);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.contact-icon i {
    width: 24px;
    height: 24px;
    color: var(--surface-white);
}

.contact-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.contact-card p {
    font-weight: 600;
    color: var(--navy-deep);
    margin-bottom: var(--spacing-xs);
}

.contact-card span {
    font-size: 0.875rem;
    color: var(--secondary-text);
}

.contact-form {
    background: var(--ice-tint);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-md);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--navy-deep);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--tech-electric);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--tech-electric);
    color: var(--surface-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-submit:hover {
    background: var(--security-blue);
    transform: translateY(-1px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 17, 32, 0.8);
    z-index: 2000;
    animation: fadeIn var(--transition-normal);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--surface-white);
    border-radius: var(--radius-md);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideInUp var(--transition-normal);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--secondary-text);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--navy-deep);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* Footer */
.footer {
    background: var(--navy-deep);
    color: var(--surface-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--surface-white);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo i {
    width: 32px;
    height: 32px;
    color: var(--tech-electric);
}

.footer-brand p {
    color: var(--border-color);
    margin-bottom: var(--spacing-lg);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--security-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--surface-white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--tech-electric);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.link-group h4 {
    color: var(--surface-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: var(--spacing-sm);
}

.link-group a {
    color: var(--border-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.link-group a:hover {
    color: var(--tech-electric);
}

.footer-bottom {
    border-top: 1px solid var(--security-blue);
    padding-top: var(--spacing-xl);
}

.footer-legal {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal p {
    color: var(--border-color);
    margin: 0;
}

.legal-links {
    display: flex;
    gap: var(--spacing-lg);
}

.legal-links a {
    color: var(--border-color);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.legal-links a:hover {
    color: var(--tech-electric);
}

/* Mobile Contact Bar */
.mobile-contact-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-white);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.mobile-contact-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--navy-deep);
    transition: background-color var(--transition-fast);
}

.mobile-contact-btn.whatsapp {
    color: #25D366;
}

.mobile-contact-btn.call {
    color: var(--tech-electric);
}

.mobile-contact-btn i {
    width: 24px;
    height: 24px;
    margin-bottom: var(--spacing-xs);
}

.mobile-contact-btn span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-info {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        height: auto;
        padding: 120px 0 var(--spacing-4xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        flex: 1;
        min-width: calc(50% - var(--spacing-xs));
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .mobile-contact-bar {
        display: flex;
    }
    
    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .product-card {
        margin: 0 var(--spacing-sm);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
}