/* Ultra Pack - Industrial Packaging Solutions */
/* Sky Blue Theme with 3D Effects */

:root {
    /* Sky Blue Color Palette */
    --primary: #00BFFF;
    --primary-dark: #0099CC;
    --primary-light: #87CEEB;
    --accent: #00D4FF;
    --accent-glow: rgba(0, 212, 255, 0.4);
    
    /* Background Colors */
    --bg-dark: #0A1628;
    --bg-darker: #070F1A;
    --bg-card: rgba(10, 30, 50, 0.8);
    --bg-glass: rgba(0, 191, 255, 0.05);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B0C4DE;
    --text-muted: #7A8FA8;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00BFFF 0%, #00D4FF 50%, #87CEEB 100%);
    --gradient-dark: linear-gradient(180deg, #0A1628 0%, #070F1A 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 191, 255, 0.3) 0%, transparent 70%);
    
    /* 3D Effects */
    --shadow-3d: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(0, 191, 255, 0.1);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    --shadow-inset: inset 0 2px 10px rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 191, 255, 0.2);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--primary);
    text-shadow: 0 0 20px var(--accent-glow);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: var(--space-xl) var(--space-md);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-floor {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: 
        linear-gradient(180deg, transparent 0%, rgba(0, 191, 255, 0.05) 100%),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(0, 191, 255, 0.1) 50px,
            rgba(0, 191, 255, 0.1) 51px
        );
    transform: perspective(500px) rotateX(60deg);
    transform-origin: bottom;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border: 2px solid rgba(0, 191, 255, 0.3);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    border-radius: 50%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    transform: rotate(45deg);
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 20%;
    border-radius: 10px;
    animation-delay: 4s;
}

.shape-4 {
    width: 60px;
    height: 60px;
    top: 30%;
    right: 25%;
    border-radius: 50%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border: 1px solid rgba(0, 191, 255, 0.5);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
    letter-spacing: 3px;
}

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

.title-line {
    display: block;
}

.title-line.accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px var(--accent-glow);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-md);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 191, 255, 0.5);
}

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

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

.hero-stats {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-lg);
    z-index: 1;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border: 1px solid rgba(0, 191, 255, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: var(--space-sm);
    letter-spacing: 2px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Products Section */
.products {
    padding: var(--space-xl) var(--space-md);
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-md);
    max-width: 1400px;
    margin: 0 auto;
}

.product-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid rgba(0, 191, 255, 0.2);
    border-radius: 20px;
    padding: var(--space-md);
    overflow: hidden;
    transition: var(--transition-normal);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: var(--transition-normal);
}

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

.product-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    border-color: var(--primary);
    box-shadow: var(--shadow-3d);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 191, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
}

.product-card:hover .card-glow {
    opacity: 1;
}

.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1) 0%, rgba(10, 30, 50, 0.9) 100%);
}

.featured-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-icon {
    width: 100px;
    height: 100px;
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.machine-icon {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.card-features {
    list-style: none;
    margin-bottom: var(--space-md);
}

.card-features li {
    padding: var(--space-xs) 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card-features li::before {
    content: '◆';
    color: var(--primary);
    margin-right: var(--space-xs);
}

.card-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition-fast);
}

.card-link:hover {
    gap: var(--space-sm);
}

/* Features Section */
.features {
    padding: var(--space-xl) var(--space-md);
    position: relative;
    overflow: hidden;
}

.features-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -150px;
    right: -150px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.feature-item {
    background: var(--bg-glass);
    border: 1px solid rgba(0, 191, 255, 0.1);
    border-radius: 16px;
    padding: var(--space-md);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: rgba(0, 191, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-sm);
    color: var(--primary);
}

.icon-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

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

/* About Section */
.about {
    padding: var(--space-xl) var(--space-md);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.about-visual {
    position: relative;
}

.visual-frame {
    position: relative;
    padding: var(--space-md);
    border: 2px solid rgba(0, 191, 255, 0.3);
    border-radius: 20px;
    background: var(--bg-card);
}

.frame-inner {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1) 0%, rgba(10, 30, 50, 0.5) 100%);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.tech-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 191, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 191, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
}

.floating-element {
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 8px;
    animation: float-element 4s ease-in-out infinite;
}

.el-1 {
    width: 60px;
    height: 60px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.el-2 {
    width: 40px;
    height: 40px;
    top: 50%;
    right: 25%;
    animation-delay: 1s;
}

.el-3 {
    width: 50px;
    height: 50px;
    bottom: 25%;
    left: 40%;
    animation-delay: 2s;
}

@keyframes float-element {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.about-content {
    padding: var(--space-md);
}

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

.about-stats {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

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

.about-stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.about-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact {
    padding: var(--space-xl) var(--space-md);
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.contact-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: var(--space-md) 0;
}

.contact-details {
    margin-top: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid rgba(0, 191, 255, 0.3);
    border-radius: 10px;
    color: var(--primary);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-value {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid rgba(0, 191, 255, 0.2);
    border-radius: 20px;
    padding: var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    position: relative;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 191, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.2);
}

.form-group label {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
    background: var(--bg-card);
    padding: 0 5px;
}

.form-group textarea + label {
    top: var(--space-md);
    transform: translateY(0);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: 0;
    font-size: 0.8rem;
    color: var(--primary);
}

.btn-full {
    grid-column: 1 / -1;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(0, 191, 255, 0.1);
    padding: var(--space-lg) var(--space-md) var(--space-md);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-tagline {
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

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

.footer-col li {
    margin-bottom: var(--space-xs);
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(0, 191, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        position: relative;
        bottom: auto;
        flex-direction: column;
        gap: var(--space-md);
        margin-top: var(--space-lg);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
}

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

.product-card,
.feature-item {
    animation: fadeInUp 0.6s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }