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

:root {
    /* Colors from specification */
    --primary-blue: #0d47a1;
    --secondary-silver: #90a4ae;
    --accent-cyan: #00bcd4;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #333333;
    --text-gray: #666666;
    --tech-gradient: linear-gradient(135deg, #0d47a1 0%, #1976d2 50%, #42a5f5 100%);
    --silver-gradient: linear-gradient(135deg, #90a4ae 0%, #b0bec5 50%, #cfd8dc 100%);
    
    /* Typography */
    --font-family: 'Exo 2', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    --section-padding-mobile: 3rem 0;
}

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

p {
    margin-bottom: 1rem;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-family: var(--font-family);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button.primary {
    background: var(--tech-gradient);
    color: var(--white);
    border: 2px solid var(--accent-cyan);
    box-shadow: 0 4px 15px rgba(13, 71, 161, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 71, 161, 0.4);
    border-color: var(--accent-cyan);
}

.cta-button.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button.primary:hover::before {
    left: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(13, 71, 161, 0.1);
}

.nav {
    padding: 1rem 0;
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: var(--font-weight-medium);
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--tech-gradient);
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.tech-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.03)" points="0,1000 300,700 600,900 1000,600 1000,1000"/><polygon fill="rgba(0,188,212,0.1)" points="100,800 400,500 700,700 900,400 1000,800 0,1000"/><circle cx="200" cy="200" r="50" fill="rgba(255,255,255,0.02)"/><circle cx="800" cy="300" r="30" fill="rgba(0,188,212,0.1)"/></svg>');
    background-size: cover;
    animation: techPattern 20s linear infinite;
}

@keyframes techPattern {
    0% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(-50px) translateY(-25px); }
    50% { transform: translateX(-100px) translateY(-50px); }
    75% { transform: translateX(-50px) translateY(-25px); }
    100% { transform: translateX(0) translateY(0); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.element {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.element-2 {
    top: 60%;
    right: 30%;
    animation-delay: 2s;
}

.element-3 {
    bottom: 30%;
    left: 70%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.7; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 2px;
    height: 3rem;
    background: var(--accent-cyan);
    opacity: 0.7;
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Services Section */
.services {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(13, 71, 161, 0.15);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    color: var(--accent-cyan);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-description p {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.service-specs {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.service-specs span {
    background: var(--secondary-silver);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Materials Section */
.materials {
    padding: var(--section-padding);
    background: var(--white);
}

.materials-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.materials-title {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.materials-intro {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.material-category h4 {
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.material-category ul {
    list-style: none;
}

.material-category li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

.material-category li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

.tech-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tech-item {
    background: var(--tech-gradient);
    color: var(--white);
    padding: 2rem 1rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 2px solid var(--accent-cyan);
}

.tech-item:hover {
    transform: scale(1.05);
}

.tech-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.tech-item span {
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.certifications {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.certifications h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-badges {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cert-badge {
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: var(--font-weight-bold);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Value Proposition Section */
.value-proposition {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.value-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.value-title {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.value-points {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.value-point {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.point-icon {
    width: 2rem;
    height: 2rem;
    background: var(--accent-cyan);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.value-point p {
    font-size: 1.1rem;
    margin: 0;
}

.stats-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--tech-gradient);
    border-radius: 16px;
    color: var(--white);
    border: 2px solid var(--accent-cyan);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-title {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-item strong {
    display: block;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p {
    margin: 0;
    color: var(--text-gray);
}

/* Contact Form */
.contact-form {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-medium);
    color: var(--dark-gray);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.security-notice {
    background: rgba(13, 71, 161, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

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

.checkmark {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--primary-blue);
    border-radius: 3px;
    position: relative;
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-brand p {
    opacity: 0.8;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin: 0;
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .value-content,
    .contact-content,
    .materials-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-container {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .stat {
        flex: 1;
        margin: 0 0.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-showcase {
        grid-template-columns: 1fr 1fr;
    }
    
    .cert-badges {
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .service-specs {
        flex-direction: column;
        align-items: center;
    }
    
    .tech-showcase {
        grid-template-columns: 1fr;
    }
    
    .cert-badges {
        flex-direction: column;
        align-items: center;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

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

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* Mobile navigation styles */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}