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

/* Performance optimizations */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* Critical above-the-fold styles */
.hero {
    contain: layout style paint;
}

/* Mobile-first optimizations */
@media (max-width: 768px) {
    .navbar {
        background: rgba(255, 255, 255, 0.99);
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-container {
        padding: 0 15px;
        padding-top: 100px;
    }
    
    .hero {
        padding: 2rem 0;
        min-height: calc(100vh - 80px);
    }
    
    .services, .certification, .about {
        padding: 4rem 0;
    }
    
    .contact {
        padding: 4rem 0;
    }
}

/* Extra small phones */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.8rem;
    }
    
    .service-card {
        padding: 1rem 0.5rem;
    }
    
    .service-card h3 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .service-card p {
        font-size: 0.8rem;
        line-height: 1.3;
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 0.8rem;
    }
    
    .service-icon i {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 0.5rem;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.hamburger:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-description a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.3s ease;
}

.hero-description a:hover {
    color: white;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    min-height: 44px;
}

.btn-primary {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-icon {
    width: 300px;
    height: 300px;
    background: transparent;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.security-icon i {
    font-size: 8rem;
    color: white;
}

.hero-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: #f8fafc;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.service-card p {
    color: #64748b;
    line-height: 1.6;
}

.service-card a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.service-card a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* Certification Section */
.certification {
    padding: 6rem 0;
    background: white;
}

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

.cert-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.cert-text p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cert-features {
    list-style: none;
    margin-bottom: 2rem;
}

.cert-features li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #374151;
}

.cert-features i {
    color: #10b981;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.cert-features a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.cert-features a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.cert-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.cert-badge {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.3);
    animation: pulse 2s infinite;
}

.cert-badge i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.cert-badge span {
    font-size: 1.5rem;
    font-weight: 600;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* About Section */
.about {
    padding: 6rem 0;
    background: #f8fafc;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-text a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.about-text a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat h3 {
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #64748b;
    font-weight: 500;
}


/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.footer-logo .logo-img {
    width: 35px;
    height: 35px;
    margin-right: 0.5rem;
    object-fit: contain;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.15);
        padding: 2rem 0;
        z-index: 999;
        border-top: 1px solid #e2e8f0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .security-icon {
        width: 200px;
        height: 200px;
        border-radius: 15px;
    }

    .security-icon i {
        font-size: 5rem;
    }

    .hero-logo {
        width: 100%;
        height: 100%;
        border-radius: 15px;
    }

    .cert-content {
        grid-template-columns: 1fr;
        text-align: center;
    }


    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
    
    .service-card {
        padding: 1.5rem 1rem;
    }
    
    .service-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }
    
    .service-card p {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 1rem;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .service-card {
        padding: 1.5rem 1rem;
        margin-bottom: 1rem;
    }

    .service-card h3 {
        font-size: 1.3rem;
    }

    .service-card p {
        font-size: 0.95rem;
    }

    .cert-text h2 {
        font-size: 1.8rem;
    }

    .cert-text p {
        font-size: 1rem;
    }

    .cert-features li {
        font-size: 1rem;
    }

    .about-text h2 {
        font-size: 1.8rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .stat h3 {
        font-size: 2.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-section h4 {
        font-size: 1.1rem;
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .nav-logo .logo-img {
        width: 30px;
        height: 30px;
    }
    
    .hamburger {
        display: flex;
        background-color: rgba(0, 0, 0, 0.05);
        border-radius: 6px;
    }
    
    .hamburger .bar {
        background: #2563eb;
        width: 22px;
        height: 2px;
    }
}

/* Smooth scrolling and animations */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .stat {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.6s ease forwards;
    }

    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(3) { animation-delay: 0.3s; }
    .service-card:nth-child(4) { animation-delay: 0.4s; }

    .stat:nth-child(1) { animation-delay: 0.1s; }
    .stat:nth-child(2) { animation-delay: 0.2s; }
    .stat:nth-child(3) { animation-delay: 0.3s; }
}

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