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

:root {
    /* Color Palette - Professional & Modern */
    --primary-color: #001f3f;
    --primary-dark: #001528;
    --secondary-color: #D4AF37;
    --accent-color: #0066cc;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-light: #6a6a6a;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --border-color: #e1e4e8;
    --success-color: #28a745;
    --error-color: #dc3545;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Transitions */
    --transition-speed: 0.3s;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--background-white);
    overflow-x: hidden;
}

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

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    background-color: var(--background-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--secondary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all var(--transition-speed);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--background-light);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--background-white);
    padding: var(--spacing-xl) 0;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 300;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #c5a033;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

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

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

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

.btn-light:hover {
    background-color: var(--background-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--background-white);
    border-color: var(--background-white);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
}

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

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* About Section */
.about-section {
    background-color: var(--background-light);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--background-white);
    padding: var(--spacing-sm);
    border-radius: 8px;
}

.highlight-icon {
    width: 30px;
    height: 30px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    flex-shrink: 0;
}

.highlight-text {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 15px;
}

/* Services Section */
.services-section {
    background-color: var(--background-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background-color: var(--background-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all var(--transition-speed);
}

.service-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Clients Section */
.clients-section {
    background-color: var(--background-light);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.client-card {
    background-color: var(--background-white);
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-speed);
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.client-logo {
    margin-bottom: var(--spacing-md);
}

.client-initial {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--background-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    border: 3px solid var(--secondary-color);
}

.client-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.client-type {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.client-description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.client-solutions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.solution-tag {
    background-color: var(--background-light);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Why Choose Us Section */
.why-choose-section {
    background-color: var(--background-white);
}

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

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

.feature-icon {
    font-size: 56px;
    margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--background-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--primary-color);
    color: var(--background-white);
    padding: var(--spacing-xl) 0 var(--spacing-sm);
}

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

.footer-section {
    padding-right: var(--spacing-sm);
}

.footer-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer-description {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer-tagline {
    font-style: italic;
    color: var(--secondary-color);
    font-size: 14px;
    margin-top: var(--spacing-sm);
}

.footer-heading {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--background-white);
    text-decoration: none;
    font-size: 15px;
    transition: color var(--transition-speed);
    opacity: 0.9;
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 15px;
}

.contact-icon {
    font-size: 18px;
}

.footer-contact a {
    color: var(--background-white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-contact a:hover {
    color: var(--secondary-color);
}

.business-hours {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom-content p {
    font-size: 14px;
    opacity: 0.8;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    font-size: 14px;
}

.footer-bottom-links a {
    color: var(--background-white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-bottom-links a:hover {
    color: var(--secondary-color);
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--background-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-md) 0;
    }

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

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .services-grid,
    .clients-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}