/* ============================================
   LUNARIX LTD - Corporate Website Styles
   ============================================ */

/* ========== Root Variables ========== */
:root {
    /* Colors - Based on Logo */
    --primary-color: #c4d82e;
    --primary-dark: #a8b826;
    --primary-light: #d4e84e;
    --secondary-color: #2a3a1f;
    --dark-bg: #1a2416;
    --darker-bg: #0f1610;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f5f7fa;
    --gray: #6b7280;
    --dark-gray: #374151;
    --border-color: #e5e7eb;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #c4d82e 0%, #a8b826 100%);
    --gradient-dark: linear-gradient(135deg, #2a3a1f 0%, #1a2416 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

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

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(196, 216, 46, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(196, 216, 46, 0.08) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    text-align: center;
}

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

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

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

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

/* ========== Section Styles ========== */
section {
    padding: var(--spacing-2xl) 0;
}

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

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

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

.about-content {
    margin-bottom: var(--spacing-2xl);
}

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

.about-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.about-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.about-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.about-card p {
    color: var(--gray);
    line-height: 1.8;
}

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

.info-list li {
    padding: var(--spacing-xs) 0;
    color: var(--gray);
    border-bottom: 1px solid var(--border-color);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list strong {
    color: var(--secondary-color);
    font-weight: 600;
}

.technologies-highlight {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.technologies-highlight h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

.tech-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--light-gray);
    color: var(--secondary-color);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 0.875rem;
    border: 2px solid var(--primary-color);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* ========== Services Section ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #fff 0%, #f9fdf2 100%);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

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

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
}

.service-features i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

/* ========== Technologies Section ========== */
.technologies {
    background: var(--light-gray);
}

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

.tech-category {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.tech-category-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.tech-category-header i {
    font-size: 2rem;
}

.tech-category-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.tech-items {
    padding: var(--spacing-md);
    display: grid;
    gap: var(--spacing-sm);
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(5px);
}

.tech-item i {
    font-size: 1.25rem;
    min-width: 24px;
}

/* ========== Contact Section ========== */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.info-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--gray);
}

.info-card .small {
    font-size: 0.875rem;
    color: var(--gray);
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(196, 216, 46, 0.1);
}

.contact-form button {
    grid-column: 1 / -1;
    width: 100%;
}

/* ========== Footer ========== */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 50px;
    width: auto;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.footer-note {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
}

/* ========== Scroll to Top Button ========== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.scroll-to-top i {
    font-size: 1.25rem;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-medium);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 40px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .tech-categories {
        grid-template-columns: 1fr;
    }
}

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

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

/* ========== Utility Classes ========== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }