/* =========================================
   Nuvana.ex - Premium Midnight Redesign
   High-Tech Logistics & Glassmorphism
   ========================================= */

@import url('https://api.fontshare.com/v2/css?f[]=chillax@300,400,500,600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Premium Midnight Palette */
    --nx-bg-main: #050B14; /* Deep Space Navy */
    --nx-bg-secondary: #0A1321; /* Slightly lighter navy for depth */
    
    /* Glowing Accents */
    --nx-glow-cyan: #00E5FF;
    --nx-glow-orange: #FF5E00;
    
    /* Text */
    --nx-text-white: #FFFFFF;
    --nx-text-muted: #8E9BAE; /* Soft blue-grey */
    
    /* Glass & Borders */
    --nx-glass-bg: rgba(255, 255, 255, 0.03);
    --nx-glass-bg-hover: rgba(255, 255, 255, 0.06);
    --nx-glass-border: rgba(255, 255, 255, 0.08);
    --nx-glass-border-glow: rgba(0, 229, 255, 0.3);
    
    /* Typography */
    --font-heading: 'Chillax', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Structural */
    --nx-radius-sm: 8px;
    --nx-radius-md: 16px;
    --nx-radius-lg: 24px;
    --nx-radius-pill: 50px;
    
    --nx-transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--nx-bg-main);
    color: var(--nx-text-white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle background grid pattern */
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Typography Utils */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
}

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

/* Layout Containers */
.nx-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nx-section {
    padding: 120px 0;
    position: relative;
}

/* Glass Components */
.nx-glass-panel {
    background: var(--nx-glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--nx-glass-border);
    border-radius: var(--nx-radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Headings */
.nx-headline {
    font-size: clamp(3.5rem, 7vw, 6rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--nx-text-white);
    margin-bottom: 1.5rem;
}

.nx-gradient-text {
    background: linear-gradient(135deg, var(--nx-glow-cyan) 0%, var(--nx-glow-orange) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(0, 229, 255, 0.2);
}

.nx-h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 3rem;
    text-align: center;
}

.nx-subtitle {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(0, 229, 255, 0.1);
    color: var(--nx-glow-cyan);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: var(--nx-radius-pill);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

/* Buttons */
.nx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem 2.5rem;
    border-radius: var(--nx-radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--nx-transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.nx-btn-glow {
    background: var(--nx-glow-cyan);
    color: var(--nx-bg-main);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
}

.nx-btn-glow:hover {
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.6), inset 0 0 10px rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.nx-btn-glass {
    background: rgba(255, 255, 255, 0.05);
    color: var(--nx-text-white);
    border: 1px solid var(--nx-glass-border);
    backdrop-filter: blur(10px);
}

.nx-btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--nx-glass-border-glow);
    color: var(--nx-glow-cyan);
}

/* Premium Midnight Navigation */
.nx-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--nx-transition);
}

.nx-nav.scrolled {
    padding: 1rem 0;
    background: rgba(5, 11, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.nx-logo-img {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
}

.nx-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nx-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--nx-text-white);
    opacity: 0.8;
}

.nx-link:hover {
    opacity: 1;
    color: var(--nx-glow-cyan);
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

/* Hero Section */
.nx-hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding-top: 120px;
}

/* Hero Slider */
.nx-hero-slider {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.nx-slider-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 2s ease-in-out, transform 12s linear;
}

.nx-slider-img.active {
    opacity: 0.4; /* Dimmed heavily for midnight depth */
    transform: scale(1);
}

/* Ambient gradient overlay over slider */
.nx-hero-slider::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 100%, rgba(0, 229, 255, 0.15) 0%, rgba(5, 11, 20, 0.9) 70%, var(--nx-bg-main) 100%);
}

.nx-hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 4rem;
    position: relative;
    z-index: 2;
}

.nx-hero-p {
    font-size: 1.25rem;
    color: var(--nx-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* High-Tech Tracking Console */
.nx-tracking-console {
    max-width: 800px;
    margin: 0 auto;
    padding: 2.5rem;
    position: relative;
    z-index: 10;
}

.nx-console-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.nx-console-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 229, 255, 0.1);
    color: var(--nx-glow-cyan);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.nx-console-header h3 {
    font-size: 1.4rem;
    font-weight: 500;
}

.nx-tracking-input-wrapper {
    display: flex;
    gap: 1rem;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--nx-glass-border);
    border-radius: var(--nx-radius-pill);
    padding: 0.5rem;
    transition: var(--nx-transition);
}

.nx-tracking-input-wrapper:focus-within {
    border-color: var(--nx-glow-cyan);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
}

.nx-console-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--nx-text-white);
    padding: 0 1.5rem;
    font-size: 1.1rem;
    font-family: var(--font-body);
    outline: none;
}

.nx-console-input::placeholder {
    color: rgba(255,255,255,0.3);
}

/* About Grid */
.nx-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.nx-about-text {
    font-size: 1.25rem;
    color: var(--nx-text-muted);
}

.nx-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.nx-stat-module {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--nx-transition);
}

.nx-stat-module:hover {
    border-color: var(--nx-glass-border-glow);
    background: var(--nx-glass-bg-hover);
    transform: translateY(-5px);
}

.nx-stat-value {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    color: var(--nx-glow-cyan);
    line-height: 1;
}

.nx-stat-label {
    color: var(--nx-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Glowing Services Grid */
.nx-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.nx-service-card {
    padding: 3rem 2.5rem;
    position: relative;
    transition: var(--nx-transition);
    overflow: hidden;
    cursor: pointer;
}

.nx-service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at top right, rgba(0, 229, 255, 0.1), transparent 50%);
    opacity: 0;
    transition: var(--nx-transition);
}

.nx-service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 229, 255, 0.4);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 30px rgba(0, 229, 255, 0.1);
}

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

.nx-service-icon {
    font-size: 3rem;
    color: var(--nx-text-white);
    margin-bottom: 2rem;
    transition: var(--nx-transition);
}

.nx-service-card:hover .nx-service-icon {
    color: var(--nx-glow-cyan);
    text-shadow: 0 0 15px rgba(0, 229, 255, 0.5);
}

.nx-service-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.nx-service-desc {
    color: var(--nx-text-muted);
}

/* Futuristic "Advantage" Section */
.nx-advantage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.nx-advantage-grid.reverse {
    direction: rtl;
}

.nx-advantage-grid.reverse > * {
    direction: ltr; /* Fix text direction */
}

.nx-advantage-content h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.nx-advantage-content p {
    font-size: 1.15rem;
    color: var(--nx-text-muted);
}

.nx-advantage-visual {
    height: 450px;
    border-radius: var(--nx-radius-lg);
    position: relative;
    overflow: hidden;
    background: #000;
}

.nx-advantage-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.5;
    mix-blend-mode: luminosity; /* gives a metallic/industrial vibe */
    transition: opacity 0.5s;
}

.nx-advantage-visual:hover .nx-advantage-img {
    opacity: 0.8;
}

.nx-advantage-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: var(--nx-radius-lg);
    box-shadow: inset 0 0 50px rgba(0, 229, 255, 0.1);
    pointer-events: none;
}

/* Contact Console */
.nx-contact-console {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem;
}

.nx-input-group {
    margin-bottom: 2rem;
    position: relative;
}

.nx-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--nx-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nx-form-input {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border: none;
    border-bottom: 2px solid rgba(255,255,255,0.1);
    color: var(--nx-text-white);
    padding: 1rem 0;
    font-size: 1.1rem;
    font-family: var(--font-body);
    transition: var(--nx-transition);
}

.nx-form-input:focus {
    outline: none;
    border-bottom-color: var(--nx-glow-cyan);
    box-shadow: 0 10px 10px -10px rgba(0, 229, 255, 0.3);
}

.nx-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer Focus */
.nx-footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 5rem 0 2rem;
    background: rgba(0,0,0,0.3);
}

.nx-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.nx-footer h4 {
    font-size: 1.1rem;
    color: var(--nx-text-white);
    margin-bottom: 1.5rem;
}

.nx-footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.nx-footer-link {
    color: var(--nx-text-muted);
    font-size: 0.95rem;
}

.nx-footer-link:hover {
    color: var(--nx-glow-cyan);
}

/* Responsive Grid Adjustments */
@media (max-width: 900px) {
    .nx-about-grid, .nx-advantage-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .nx-advantage-grid.reverse {
        direction: ltr;
    }
    .nx-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .nx-contact-console {
        padding: 2rem;
    }
    .nx-headline {
        font-size: clamp(2.5rem, 5vw, 4rem);
    }
    .nx-tracking-input-wrapper {
        flex-direction: column;
        background: transparent;
        border: none;
    }
    .nx-console-input {
        background: rgba(0,0,0,0.5);
        border: 1px solid var(--nx-glass-border);
        border-radius: var(--nx-radius-pill);
        padding: 1.2rem;
    }
}

/* =========================================
   Preloader (Stacking Box)
   ========================================= */
#nx-preloader {
    position: fixed;
    inset: 0;
    background: var(--nx-bg-main);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

#nx-preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.nx-preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.nx-stacking-boxes {
    width: 84px;
    height: 82px;
    position: relative;
}

.nx-box {
    width: 40px;
    height: 40px;
    background: var(--nx-glow-cyan);
    border: 2px solid var(--nx-bg-main);
    position: absolute;
    opacity: 0;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
    border-radius: 4px; /* Simulating rounded cardboard corners */
}

/* Base Left Box */
.nx-box-1 { 
    bottom: 0; 
    left: 0; 
    animation: dropBaseBox1 2.5s infinite cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}
/* Base Right Box */
.nx-box-2 { 
    bottom: 0; 
    right: 0; 
    animation: dropBaseBox2 2.5s infinite cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}
/* Top Middle Box */
.nx-box-3 { 
    top: 0; 
    left: 22px; 
    animation: dropTopBox3 2.5s infinite cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}

@keyframes dropBaseBox1 {
    0%, 5% { transform: translateY(-80px); opacity: 0; }
    20%, 85% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(0); opacity: 0; }
}
@keyframes dropBaseBox2 {
    0%, 15% { transform: translateY(-80px); opacity: 0; }
    30%, 85% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(0); opacity: 0; }
}
@keyframes dropTopBox3 {
    0%, 30% { transform: translateY(-80px); opacity: 0; }
    45%, 85% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(0); opacity: 0; }
}

.nx-preloader-text {
    color: var(--nx-text-white);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: pulseText 1.5s infinite alternate;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

@keyframes pulseText {
    0% { opacity: 0.4; color: var(--nx-text-muted); }
    100% { opacity: 1; color: var(--nx-text-white); }
}
@media (max-width: 600px) {
    .nx-footer-grid {
        grid-template-columns: 1fr;
    }
}