/* ============================================
   KOZMO - Futuristic Printing Services
   Theme Variables for Easy Customization
   ============================================ */

:root {
    /* Color Palette */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --neon-purple: #a855f7;
    --neon-purple-bright: #c084fc;
    --neon-purple-dark: #7c3aed;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-silver: #c0c0c0;
    --border-color: rgba(168, 85, 247, 0.3);
    
    /* 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-size-base: 16px;
    
    /* Effects */
    --glow-intensity: 0.5;
    --blur-amount: 20px;
    --transition-speed: 0.3s;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    position: relative;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--neon-purple-bright);
    text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

.logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--neon-purple);
    filter: blur(15px);
    opacity: 0.3;
    z-index: -1;
    animation: pulse 2s ease-in-out infinite;
}

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

.nav-menu a {
    color: var(--text-silver);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-speed);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-purple);
    transition: width var(--transition-speed);
    box-shadow: 0 0 10px var(--neon-purple);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--neon-purple-bright);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--neon-purple-bright);
    transition: all var(--transition-speed);
}

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

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(168, 85, 247, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 85, 247, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 6s ease-in-out infinite;
}

.glow-orb-1 {
    width: 400px;
    height: 400px;
    background: var(--neon-purple);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.glow-orb-2 {
    width: 300px;
    height: 300px;
    background: var(--neon-purple-dark);
    bottom: -150px;
    left: -150px;
    animation-delay: 3s;
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    color: var(--text-silver);
    text-shadow: 0 0 30px rgba(192, 192, 192, 0.3);
}

.title-line.highlight {
    color: var(--neon-purple-bright);
    text-shadow: 0 0 40px rgba(168, 85, 247, 0.8);
    animation: glow-pulse 2s ease-in-out infinite;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--neon-purple);
    background: transparent;
    color: var(--neon-purple-bright);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-speed);
    cursor: pointer;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--neon-purple);
    transition: left var(--transition-speed);
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn:hover {
    color: var(--bg-primary);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.6);
    transform: translateY(-2px);
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--neon-purple);
    filter: blur(20px);
    transition: all 0.6s;
    z-index: -1;
}

.btn:hover .btn-glow {
    width: 300px;
    height: 300px;
    opacity: 0.3;
}

.btn-primary {
    border-color: var(--neon-purple);
}

.btn-secondary {
    border-color: var(--neon-purple-bright);
}

button.btn {
    font-family: inherit;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--neon-purple), transparent);
    animation: scroll-down 2s ease-in-out infinite;
}

/* ============================================
   Services Preview
   ============================================ */

.services-preview {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-silver);
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.3);
}

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

.service-card {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: all var(--transition-speed);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-purple);
    box-shadow: 0 10px 40px rgba(168, 85, 247, 0.3);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--neon-purple) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-speed);
    filter: blur(30px);
}

.service-card:hover .card-glow {
    opacity: 0.2;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.5));
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--neon-purple-bright);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.card-link {
    color: var(--neon-purple-bright);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-speed);
}

.card-link:hover {
    transform: translateX(5px);
    text-shadow: 0 0 10px var(--neon-purple);
}

/* ============================================
   Process Timeline
   ============================================ */

.process-timeline {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
    position: relative;
}

.timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
    margin-top: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--neon-purple), var(--neon-purple-dark), var(--neon-purple));
    opacity: 0.3;
}

.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
}

.timeline-marker {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--neon-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.4);
}

.marker-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--neon-purple);
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

.marker-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-purple-bright);
    z-index: 1;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--neon-purple-bright);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Testimonials
   ============================================ */

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

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.testimonial-track {
    position: relative;
    overflow: hidden;
    min-height: 300px;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s ease-in-out;
}

.testimonial-card.active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
}

.testimonial-content {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.testimonial-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.quote-icon {
    font-size: 4rem;
    color: var(--neon-purple);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.testimonial-content p {
    font-size: 1.125rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    position: relative;
    z-index: 1;
}

.testimonial-author strong {
    display: block;
    color: var(--neon-purple-bright);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.slider-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--neon-purple-bright);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.slider-btn:hover {
    background: var(--neon-purple);
    border-color: var(--neon-purple);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.dot.active,
.dot:hover {
    background: var(--neon-purple);
    border-color: var(--neon-purple);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
}

/* ============================================
   Contact CTA
   ============================================ */

.contact-cta {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-sm);
    color: var(--text-silver);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    color: var(--neon-purple-bright);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
}

.footer-section h4 {
    color: var(--text-silver);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

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

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-section a:hover {
    color: var(--neon-purple-bright);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* ============================================
   Page Styles (About, Services, Contact, etc.)
   ============================================ */

.page-header {
    padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--text-silver);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.page-content {
    padding: var(--spacing-xl) 0;
    max-width: 900px;
    margin: 0 auto;
}

.page-content h2 {
    font-size: 2rem;
    color: var(--neon-purple-bright);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.page-content h3 {
    font-size: 1.5rem;
    color: var(--text-silver);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

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

.page-content ul,
.page-content ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.page-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
}

.contact-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--text-silver);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        text-shadow: 0 0 40px rgba(168, 85, 247, 0.8);
    }
    50% {
        text-shadow: 0 0 60px rgba(168, 85, 247, 1);
    }
}

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

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

@keyframes scroll-down {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(10px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        padding: var(--spacing-md);
        border-top: 1px solid var(--border-color);
        transition: left var(--transition-speed);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .timeline {
        flex-direction: column;
    }
    
    .timeline::before {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}