/* ==================== VARIABLES & RESET ==================== */

:root {
    /* Colors - Professional Tech Company Palette */
    --primary-blue: #117aa7;
    --primary-blue-hover: #1870b8;
    --light-blue: #F0F4FF;
    --secondary-gray: #5A6368;
    --light-gray: #F8F9FA;
    --dark-gray: #202124;
    --border-gray: #DADCE0;
    --text-primary: #202124;
    --text-secondary: #5A6368;
    --white: #FFFFFF;
    --success-green: #00AA44;
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--white);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== CONTAINER & LAYOUT ==================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--text-primary);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-primary);
}

h3 {
    font-size: 1.35rem;
    color: var(--text-primary);
}

p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--primary-blue);
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding-bottom: 0.35rem;
}

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

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-blue-hover);
    box-shadow: 0 2px 8px rgba(0, 82, 204, 0.15);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--primary-blue);
    border: 1px solid var(--border-gray);
}

.btn-secondary:hover {
    background: var(--white);
    border-color: var(--primary-blue);
}

.btn-large {
    padding: 0.9rem 2rem;
    font-size: 1rem;
}

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

.hero {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== STATS SECTION ==================== */

.stats {
    background: var(--light-gray);
    padding: var(--spacing-2xl) 0;
    margin: var(--spacing-xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ==================== SECTION HEADER ==================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

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

.services {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: var(--spacing-xl);
    transition: var(--transition);
}

.service-card:hover {
   
    box-shadow: 1px 1px 13px rgb(7, 80, 125);
    transform: translateY(-4px);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--light-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.check {
    color: var(--success-green);
    font-weight: bold;
}

/* ==================== TECHNOLOGY SECTION ==================== */

.tech-section {
    background: var(--light-gray);
    padding: var(--spacing-2xl) 0;
}

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

.tech-column h4 {
    color: var(--primary-blue);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.6rem 0;
}

.tech-item i {
    color: var(--primary-blue);
    font-size: 1.2rem;
    width: 24px;
}

/* ==================== WHY CHOOSE US ==================== */

.why-choose {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

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

.feature {
    text-align: center;
}

.feature-icon {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.feature h3 {
    margin-bottom: var(--spacing-sm);
}

.feature p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==================== CTA SECTION ==================== */

.cta {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-blue);
}

.cta .btn-primary:hover {
    background: var(--light-gray);
}

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

.footer {
    background-color: #0F172A;
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

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

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

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

.footer-col li {
    margin-bottom: 0.6rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

.footer-col a:hover {
    color: var(--white);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        gap: 0;
        padding: var(--spacing-lg);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 999;
    }

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

    .nav-link {
        padding: var(--spacing-md) 0;
        display: block;
    }

    .menu-toggle {
        display: flex;
    }

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

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

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

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    .nav-content {
        padding: var(--spacing-sm) 0;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .nav-menu {
        padding: var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero-buttons {
        gap: var(--spacing-sm);
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .service-card {
        padding: var(--spacing-lg);
    }

    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}