/* ============================================
   Nenurta CyberTech - Dark Mode Stylesheet
   ============================================ */

:root {
    /* Dark Mode Color Palette */
    --bg-primary: #0a0a0f;
    --bg-secondary: #141420;
    --bg-tertiary: #1a1a26;
    --bg-card: rgba(26, 26, 38, 0.6);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #b0b0b0;
    
    /* Accent Colors */
    --accent-primary: #fa8f02;
    --accent-hover: #f97101;
    --accent-secondary: #02b3e9;
    
    /* Borders & Shadows */
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

/* Ensure floating button is not clipped */
html, body {
    overflow-x: hidden;
    overflow-y: auto;
}

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

/* ============================================
   Header Styles
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: transform var(--transition-base);
}

.site-header.header-hidden {
    transform: translateY(-100%);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.site-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.site-tagline {
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

.main-navigation {
    display: flex;
}

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

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

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

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-primary);
}

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

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-top: 80px;
    overflow: hidden;
}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.85) 0%, rgba(20, 20, 32, 0.75) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    width: 100%;
}

.hero-text {
    max-width: 600px;
    background: rgba(26, 26, 38, 0.7);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.hero-text a {
    color: var(--accent-primary);
    text-decoration: underline;
    font-weight: 600;
    transition: color var(--transition-base);
}

.hero-text a:hover {
    color: var(--accent-hover);
}

/* ============================================
   Vision Section
   ============================================ */

.vision-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.vision-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.vision-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.vision-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Services Section
   ============================================ */

.services-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-primary);
}

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

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

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

/* ============================================
   Page Content Styles
   ============================================ */

.page-hero {
    padding: 120px 0 60px;
    text-align: center;
    background: var(--bg-secondary);
}

.page-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

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

.content-section h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.content-section h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.content-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.content-section ul {
    color: var(--text-secondary);
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.content-section li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.feature-box {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin: var(--spacing-md) 0;
}

.feature-box h3 {
    margin-top: 0;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(250, 143, 2, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

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

/* ============================================
   Footer
   ============================================ */

.site-footer {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(10, 10, 15, 0.98) 100%);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-primary) 50%, transparent 100%);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.footer-brand .tagline {
    color: var(--accent-primary);
    font-size: 0.9rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-section h4 {
    color: var(--accent-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-primary);
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    display: inline-block;
    position: relative;
}

.footer-section a:hover {
    color: var(--accent-primary);
    transform: translateX(5px);
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-contact .contact-item strong {
    color: var(--accent-primary);
    margin-right: 0.5rem;
    min-width: 60px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition-base);
}

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

/* ============================================
   Reveal Animations
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-right.in-view {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
    }
    
    .vision-image {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }
    
    .main-navigation.active {
        max-height: 400px;
    }
    
    .main-nav {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .page-hero h1 {
        font-size: 1.75rem;
    }
    
    .service-card h3 {
        font-size: 1.25rem;
    }
}

/* ============================================
   Floating AI Button
   ============================================ */

.floating-ai-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-primary);
    color: var(--text-primary);
    border: none;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 10001;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
}

.floating-ai-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(250, 143, 2, 0.4);
}

.floating-ai-button:active {
    transform: translateY(0);
}

/* AI Widget Modal */
.ai-widget-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.ai-widget-modal.active {
    display: block;
    opacity: 1;
}

.ai-widget-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.ai-widget-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    height: 80vh;
    max-height: 700px;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.ai-widget-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    line-height: 1;
}

.ai-widget-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.ai-widget-iframe {
    width: 100%;
    height: 100%;
    border: none;
    flex: 1;
}

@media (max-width: 768px) {
    .floating-ai-button {
        bottom: 1.5rem;
        right: 1.5rem;
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
        min-width: 100px;
        z-index: 10001;
        position: fixed !important;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .ai-widget-container {
        width: 95%;
        height: 85vh;
        max-height: none;
    }
}

@media (max-width: 480px) {
    .floating-ai-button {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
        min-width: 90px;
        z-index: 10001;
        position: fixed !important;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}