/* Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@600;700;800&display=swap');

:root {
    /* Colors - SOTA Premium Vibe */
    --color-bg: #030305; /* Ultra Dark Blue-Black */
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-surface-hover: rgba(255, 255, 255, 0.08);
    --color-text: #ffffff;
    --color-text-muted: #9ca3af;
    
    --color-primary: #00f2ff; /* Electric Cyan */
    --color-primary-dark: #0099aa;
    --color-accent: #7b2cbf; /* Deep Purple */
    
    --color-gradient: linear-gradient(135deg, #00f2ff 0%, #7b2cbf 100%);
    --color-gradient-text: linear-gradient(90deg, #ffffff 30%, #00f2ff 100%);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --border-radius: 24px;
    --border-color: rgba(255, 255, 255, 0.08);
    
    --transition: cubic-bezier(0.22, 1, 0.36, 1); /* Apple-like ease */
    
    --glass-bg: rgba(20, 20, 25, 0.6);
    --glass-blur: blur(24px);
    --box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* Offset for fixed header */
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em; /* Tight tracking */
    color: white;
}

/* Header */
.site-header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    z-index: 1000;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.logo a {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
    text-decoration: none;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.main-nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    opacity: 0.8;
    transition: 0.3s;
}

.main-nav a:hover {
    opacity: 1;
    color: var(--color-primary);
}

.mobile-menu-toggle { display: none; }

/* Ultimate Split Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px; /* Space for Header */
    overflow: hidden;
    background-image: url('../images/bg-hero.svg');
    background-size: cover;
    background-position: center;
}

.hero-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1300px; /* Wider container */
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-text {
    z-index: 2;
}

.hero-visual {
    position: relative;
    height: 600px;
    border-radius: var(--border-radius);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg); /* Slight 3D tilt */
    box-shadow: 0 40px 80px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 5s ease;
}

.hero-visual:hover img {
    transform: scale(1.05);
}

/* Glow Effect behind Hero Image */
.hero-visual::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: var(--color-gradient);
    filter: blur(40px);
    opacity: 0.3;
    z-index: -1;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem); /* Giant Responsive Text */
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-highlight {
    color: var(--color-primary);
}

/* Services: BENTO GRID Layout */
.services-section {
    padding: var(--spacing-xl) 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: 1.5rem;
    max-width: 1300px;
    margin: 3rem auto 0;
    padding: 0 2rem;
}

.bento-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    transition: 0.4s var(--transition);
}

.bento-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Specific Bento Spans */
.bento-large {
    grid-column: span 2;
    background: linear-gradient(to bottom right, rgba(0, 242, 255, 0.05), rgba(0,0,0,0));
}

.bento-tall {
    grid-row: span 2;
    background: linear-gradient(to bottom, rgba(123, 44, 191, 0.05), rgba(0,0,0,0));
}

.bento-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.service-icon-img {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 5px rgba(0, 242, 255, 0.5));
}

.bento-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.bento-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Background gradient overlay for bento cards */
.bento-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.4s;
    background-size: cover;
    background-position: center;
}

.bento-card:hover .bento-bg {
    opacity: 0.3;
}

/* Specific Card Backgrounds via Generative SVGs */
.bento-tall .bento-bg {
    background-image: url('../images/bg-fdm.svg');
    background-size: 50px;
}

.bento-sla .bento-bg {
    background-image: url('../images/bg-sla.svg');
    background-size: cover;
    opacity: 0.2;
}

.bento-large .bento-bg {
    background-image: url('../images/bg-cad.svg');
}

.bento-scan .bento-bg {
    background-image: url('../images/bg-scan.svg');
    background-size: 50px;
}

@media (max-width: 1024px) {
    .hero-content-wrapper { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; /* Hide visual on tablet/mobile for focus */ }
    .bento-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .bento-large, .bento-tall { grid-column: span 1; grid-row: span 1; }
}

/* Trust Section */
.trust-section {
    padding: var(--spacing-md) 0;
    background: linear-gradient(to right, rgba(0, 229, 255, 0.05), rgba(123, 44, 191, 0.05));
/* ... Previous styles ... */

/* =========================================
   3D Uploader Styles (Dark Mode Adapted)
   ========================================= */

/* Uploader Wrapper */
#dld-3d-uploader-wrapper {
    max-width: 1000px;
    margin: var(--spacing-lg) auto;
    background: rgba(255, 255, 255, 0.05); /* Glass effect dark */
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

#dld-3d-uploader-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-gradient);
}

/* Upload Zone */
.dld-upload-zone {
    border: 2px dashed rgba(0, 229, 255, 0.3);
    border-radius: var(--border-radius);
    padding: 6rem 2rem;
    text-align: center;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.dld-upload-zone p {
    font-size: 1.2em;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.dld-upload-zone:hover,
.dld-upload-zone.drag-over {
    border-color: var(--color-primary);
    background: rgba(0, 229, 255, 0.05);
    transform: translateY(-2px);
}

.dld-btn {
    background: var(--color-gradient);
    color: #fff;
    border: none;
    padding: 12px 35px;
    border-radius: var(--border-radius);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
}

.dld-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 229, 255, 0.4);
}

/* Select Inputs */
.dld-select {
    width: 100%;
    padding: 12px;
    border-radius: 8px; /* Slightly rounder */
    border: 1px solid var(--border-color);
    background: var(--color-surface);
    font-size: 1em;
    color: var(--color-text);
    transition: var(--transition);
}

.dld-select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.2);
}

/* Viewer Container */
#dld-viewer-container {
    display: none; /* Hidden by default */
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    #dld-viewer-container {
        grid-template-columns: 2fr 1fr;
    }
}

#dld-3d-canvas {
    width: 100%;
    height: 500px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

#dld-controls {
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius);
    padding: 20px;
    border: 1px solid var(--border-color);
}

/* Info Panel */
#dld-info-panel p {
    margin: 10px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
    color: var(--color-text-muted);
}

#dld-info-panel span {
    font-weight: 700;
    color: var(--color-text);
}

#dld-price {
    font-size: 1.5em !important; 
    background: var(--color-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Progress Bar */
#dld-progress-bar-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    border-radius: 3px;
    overflow: hidden;
    display: none;
}

#dld-progress-bar {
    width: 0%;
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.trust-badge {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.stars {
    color: #ffd700;
    margin-right: 0.5rem;
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* ... Previous styles ... */

/* =========================================
   SOTA Animations & Utilities
   ========================================= */

/* Scroll Reveal Animation Classes */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Enhanced Card Styles (Replacement for old cards if needed, or specific override) */
.service-card, .cta-box, #dld-3d-uploader-wrapper, #dld-controls {
    background: var(--glass-bg) !important;
    border: 1px solid var(--glass-border) !important;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

/* Neon Glow on Hover */
.service-card::after, .cta-box::after, .dld-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: skewX(-25deg);
    transition: 0.5s;
    pointer-events: none;
}

.service-card:hover::after, .cta-box:hover::after, .dld-btn:hover::after {
    left: 100%;
    transition: 0.7s ease-in-out;
}

.service-card:hover {
    box-shadow: var(--box-shadow-glow), 0 10px 40px rgba(0,0,0,0.4) !important;
    border-color: var(--color-primary) !important;
    transform: translateY(-8px) scale(1.01) !important;
}

/* Sticky CTA for Mobile */
.sticky-cta-mobile {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    width: 90%;
    max-width: 400px;
    z-index: 999;
    padding: 15px 25px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid var(--color-primary);
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px rgba(0, 242, 255, 0.2);
    text-align: center;
    transition: transform 0.4s ease;
}

.sticky-cta-mobile.visible {
    transform: translateX(-50%) translateY(0);
}

.sticky-cta-mobile a {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media(max-width: 768px) {
    .sticky-cta-mobile {
        display: block;
    }
}
.process-section {
    padding: var(--spacing-lg) 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.step {
    position: relative;
    padding: var(--spacing-md);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.step h3, .step p {
    position: relative;
    z-index: 1;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-surface);
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-header {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: var(--spacing-md) 0;
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header:hover {
    color: var(--color-primary);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-body p {
    padding-bottom: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.accordion-item.active .accordion-body {
    max-height: 200px; /* Approximate max height */
}

.accordion-item.active .arrow {
    transform: rotate(180deg);
}

/* FAQ Section End */

/* CTA Section */

.cta-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-box {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(123, 44, 191, 0.1));
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

/* Footer Section */
.site-footer {
    background-color: #050508;
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    max-width: 150px;
    filter: grayscale(100%) brightness(200%); /* Monochromatic logo */
    opacity: 0.7;
    transition: 0.3s;
}

.footer-logo img:hover {
    filter: none;
    opacity: 1;
}

.footer-links ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.3);
    font-size: 0.85rem;
}

/* Mobile Navigation & Responsiveness */
@media (max-width: 768px) {
    .site-header {
        width: 100%;
        top: 0;
        border-radius: 0;
        border: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
    }

    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        color: white;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .main-nav {
        position: fixed;
        top: 60px; /* Below header */
        left: 0;
        width: 100%;
        height: 0;
        background: rgba(10, 10, 12, 0.98);
        backdrop-filter: blur(20px);
        overflow: hidden;
        transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .main-nav.active {
        height: calc(100vh - 60px);
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100%;
        gap: 2.5rem;
    }

    .main-nav a {
        font-size: 1.5rem;
        font-weight: 700;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}