/* Zentech Solutions - Silent Luxury & Sovereign Swiss */
/* Zentech Color System: Charcoal, Cream, Gold */

:root {
    /* Lavinie Palette - Cream/Taupe */
    --color-cream: #fdfce5;             /* Lavinie Cream - Main Background */
    --color-charcoal: #343029;          /* Lavinie Dark Brown - Main Text */
    --color-surface-dark: #393939;      /* Lavinie Dark Gray - Surface */
    --color-gold: #9b8f7b;              /* Lavinie Taupe - Primary Accent */
    
    /* Derived Colors */
    --color-charcoal-light: #52473f;
    --color-charcoal-lighter: #9e937f;
    --color-cream-dark: #e8e0c0;
    --color-cream-light: #fffef5;
    --color-gold-light: #b0a58f;
    --color-gold-dark: #7a6f5b;
    --color-gold-gradient: linear-gradient(to bottom, var(--color-gold-dark), var(--color-gold-light));

    
    /* Typography - Rotis Sans Serif inspired */
    --font-heading: 'Source Sans Pro', 'Inter', -apple-system, system-ui, sans-serif;
    --font-body: 'Source Sans Pro', 'Inter', -apple-system, system-ui, sans-serif;
    
    /* Spacing - Generous Silent Luxury margins */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 5rem;
    --spacing-xxl: 8rem;
    --spacing-xxxl: 10rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-xxl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(52, 48, 41, 0.1);
    --shadow-md: 0 4px 16px rgba(52, 48, 41, 0.2);
    --shadow-lg: 0 8px 32px rgba(52, 48, 41, 0.3);
    --shadow-gold: 0 0 24px rgba(155, 143, 123, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Swiss Precision Pattern */
    --pattern-size: 40px;
    --pattern-color: rgba(52, 48, 41, 0.005);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-cream); /* AAA Cream #EBE3C2 */
    color: var(--color-charcoal); /* AAA Charcoal #121212 for perfect contrast */
    line-height: 1.8;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    background-image: 
        linear-gradient(var(--pattern-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--pattern-color) 1px, transparent 1px);
    background-size: var(--pattern-size) var(--pattern-size);
    background-position: center center;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-charcoal-light);
    font-size: 1.125rem;
    line-height: 1.8;
}

.text-gradient {
    background: var(--color-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}





.btn-primary {
    background-color: var(--color-gold);
    color: var(--color-charcoal);
    border-color: var(--color-gold);
}

.btn-primary:hover {
    color: var(--color-cream);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn-secondary:hover {
    background-color: var(--color-charcoal);
    color: var(--color-cream);
    transform: translateY(-2px);
}

/* Button variant for dark backgrounds */
.btn-secondary-light {
    background-color: transparent;
    color: var(--color-cream);
    border-color: var(--color-cream);
}

.btn-secondary-light:hover {
    background-color: var(--color-cream);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline:hover {
    background-color: var(--color-gold);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-cream);
    border-color: var(--color-cream);
}

.btn-outline-light:hover {
    background-color: var(--color-cream);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.btn-text {
    background-color: transparent;
    color: var(--color-gold);
    padding: 0.5rem 0;
    border: none;
    position: relative;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold-gradient);
    transition: width var(--transition-normal);
}

.btn-text:hover::after {
    width: 100%;
}

/* Navigation - Glassmorphism Effect */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(253, 252, 229, 0.8); /* Lavinie Beige (#FDFCE5) semi-transparent background */
    z-index: 1000;
    padding: 1.25rem 0; /* Increased vertical padding */
    border-bottom: 1px solid rgba(18, 18, 18, 0.1); /* Subtle charcoal accent border */
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    height: 80px; /* Fixed height for consistent spacing */
    display: flex;
    align-items: center;
}

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

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 50px; /* Slightly smaller for better proportion */
    width: auto;
    transition: transform var(--transition-normal);
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15)); /* Subtle shadow for white background */
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: #6C6457; /* Lavinie Taupe for perfect contrast on Lavinie Beige glassmorphism */
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    padding: 0.75rem 0; /* Increased vertical padding */
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.nav-links a:hover {
    color: var(--color-gold); /* Gold for hover effect - maintains brand consistency */
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0.5rem; /* Adjusted position */
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold-gradient);
    transition: width var(--transition-normal);
    border-radius: 1px;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    background: var(--color-gold);
    border: 2px solid var(--color-gold);
    cursor: pointer;
    padding: 12px;
    border-radius: 6px;
    transition: all var(--transition-fast);
    min-width: 56px;
    min-height: 56px;
}

.mobile-menu-btn:hover {
    background-color: var(--color-gold-light);
    border-color: var(--color-gold-light);
    transform: scale(1.05);
}

.mobile-menu-btn span {
    width: 28px;
    height: 3px;
    background-color: var(--color-cream); /* Light color for better contrast on gold button */
    border-radius: 2px;
    transition: var(--transition-normal);
}
}

/* Hero Section */
.hero {
    padding-top: 100px; /* Fixed header height (80px) + 20px breathing room */
    padding-bottom: var(--spacing-xxl);
    position: relative;
    overflow: hidden;
    background-color: var(--color-surface-dark); /* AAA Surface Dark #1E1E1E */
    color: var(--color-cream);
    margin-top: 0; /* Ensure no margin conflict */
}

@media (max-width: 768px) {
    .hero {
        padding-top: 90px; /* Slightly less padding for mobile */
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--color-gold);
    opacity: 0;
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.hero .container {
    display: block;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    max-width: 90%;
    color: var(--color-cream-dark);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: none;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1rem;
    aspect-ratio: 1;
}

.grid-item {
    border-radius: var(--radius-lg);
    background: var(--color-gold);
    opacity: 0.03;
}
}



/* Section Common */
section {
    padding: var(--spacing-xxl) 0;
}

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

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-charcoal-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Portfolio / Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.bento-item {
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(18, 18, 18, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    background-color: var(--color-cream-light);
}





.bento-item:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-sm);
}

.bento-item.large {
    grid-column: span 1;
    grid-row: span 1;
    flex-direction: row;
    gap: var(--spacing-lg);
    min-height: 400px;
}

.bento-item.medium {
    grid-column: span 1;
    grid-row: span 1;
}

.bento-item.small {
    grid-column: span 1;
    grid-row: span 1;
}

.bento-item.gold-bg {
    background: rgba(212, 175, 55, 0.02);
}

.bento-item.charcoal-bg {
    background: var(--color-surface-dark); /* AAA Surface Dark #1E1E1E */
    color: var(--color-cream);
}

.bento-item.charcoal-bg p,
.bento-item.charcoal-bg .feature {
    color: var(--color-cream-dark);
}

.bento-item.cream-bg {
    background: rgba(235, 227, 194, 0.05);
}

.bento-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-charcoal);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    align-self: flex-start;
    position: relative;
    z-index: 1;
}


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

.bento-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--color-surface-dark); /* AAA Surface Dark #1E1E1E */
    border-radius: 36px;
    padding: 12px;
    position: relative;
    border: 2px solid var(--color-gold);
    box-shadow: var(--shadow-lg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-charcoal-light), var(--color-surface-dark));
    border-radius: 28px;
    padding: var(--spacing-md);
    overflow: hidden;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-charcoal-lighter);
}

.app-content {
    flex: 1;
}

.progress-bar {
    height: 8px;
    background-color: var(--color-charcoal-lighter);
    border-radius: 4px;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-gold-gradient);
    border-radius: 4px;
}

.checklist {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.check-item {
    padding: 0.75rem;
    background-color: rgba(42, 42, 42, 0.5);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-charcoal-lighter);
    font-size: 0.875rem;
}

.check-item.checked {
    border-left-color: var(--color-gold);
    color: var(--color-gold);
}

.check-item.checked::before {
    content: "✓ ";
}

.bento-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.feature {
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-charcoal-light);
}

.bento-item.charcoal-bg .feature {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-cream);
}

/* About Studio */
.about {
    background-color: var(--color-cream);
}

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

.philosophy-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.philosophy-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background-color: var(--color-cream-light);
    transition: transform var(--transition-normal);
}

.philosophy-item:hover {
    transform: translateX(8px);
}

.philosophy-icon {
    font-size: 2rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}





/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--color-charcoal);
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.25rem;
    background-color: var(--color-cream-light);
    border: 1px solid rgba(18, 18, 18, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-charcoal);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

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

.privacy-note {
    font-size: 0.875rem;
    color: var(--color-charcoal-light);
    flex: 1;
    min-width: 200px;
}

.contact-details {
    display: flex;
    justify-content: center;
}

.contact-card {
    background: var(--color-cream-light);
    border: 1px solid rgba(18, 18, 18, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 100%;
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--color-charcoal-light);
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--color-charcoal);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-value:hover {
    color: var(--color-gold);
}

.contact-divider {
    height: 1px;
    background-color: rgba(18, 18, 18, 0.1);
    margin: var(--spacing-xl) 0;
}

.response-time h4 {
    margin-bottom: 0.5rem;
}

.response-time p {
    font-size: 0.875rem;
    color: var(--color-charcoal-light);
}

/* Footer */
.footer {
    background-color: var(--color-surface-dark); /* AAA Surface Dark #1E1E1E */
    padding: var(--spacing-xxl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-gold);
    color: var(--color-cream); /* AAA Cream #EBE3C2 for all footer text */
}

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

.footer-brand {
    flex: 1;
    min-width: 250px;
}

.footer-brand img {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    margin-top: var(--spacing-sm);
    color: var(--color-cream); /* Use AAA Cream for better contrast */
}

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

.footer-column {
    min-width: 150px;
}

.footer-column h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-cream); /* Use AAA Cream for better contrast */
}

.footer-column a {
    display: block;
    color: var(--color-cream); /* Use AAA Cream for better contrast */
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-gold); /* Gold hover for high contrast */
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-charcoal-lighter);
    text-align: center;
    color: var(--color-cream); /* Use AAA Cream for better contrast */
    font-size: 0.875rem;
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-cream); /* Use AAA Cream for better contrast */
    opacity: 0.9; /* Slightly reduced opacity but still visible */
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .bento-item.large {
        grid-column: 1;
        grid-row: auto;
        flex-direction: column;
        min-height: auto;
    }
    
    .bento-item.medium,
    .bento-item.small {
        grid-column: 1;
        grid-row: auto;
    }
    

    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    section {
        padding: var(--spacing-xl) 0; /* Reduced from xxl (8rem) to xl (5rem) for mobile */
    }
    
    /* Mobile Menu - Vertical Layout */
    .nav-links {
        display: none;
        position: fixed;
        top: 80px; /* Height of navbar */
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(253, 252, 229, 0.95); /* Lavinie Beige (#FDFCE5) semi-transparent with glassmorphism */
        backdrop-filter: blur(10px) saturate(180%);
        -webkit-backdrop-filter: blur(10px) saturate(180%);
        padding: var(--spacing-md);
        border-top: 1px solid rgba(18, 18, 18, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        z-index: 999;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        display: flex;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-links a {
        padding: 1rem var(--spacing-md);
        text-align: center;
        font-size: 1rem;
        border-bottom: 1px solid rgba(18, 18, 18, 0.05);
        transition: all var(--transition-fast);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    .nav-links a:hover {
        background-color: rgba(212, 175, 55, 0.1);
        color: var(--color-gold);
        transform: translateX(5px);
    }
    
    .nav-links a::after {
        display: none; /* Remove underline effect for mobile */
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo img {
        height: 55px;
    }
    
    .hero {
        padding-top: 6rem; /* Reduced padding for mobile (96px) */
    }
    
    .hero-title {
        font-size: 2.5rem; /* Adjusted for mobile */
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .form-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        justify-content: space-between;
    }
}

/* Animation for scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Swiss Precision Hover Effects */






/* Swiss Cross Pattern */




/* New Bento Visual Styles */
.secure-comms-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    height: 100%;
}

.encryption-icon {
    font-size: 3rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.data-flow {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.flow-line {
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, var(--color-cream), transparent);
    position: relative;
}

.flow-node {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-cream);
    animation: flow 3s infinite;
}

.flow-node:nth-child(2) { animation-delay: 0.5s; }
.flow-node:nth-child(3) { animation-delay: 1s; }
.flow-node:nth-child(4) { animation-delay: 1.5s; }

@keyframes flow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.3); opacity: 1; }
}

.custom-dev-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    height: 100%;
}

.gear-icon {
    font-size: 3rem;
    animation: rotate 10s linear infinite;
}

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

.architecture-layers {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 80%;
}

.layer {
    height: 8px;
    background-color: var(--color-charcoal);
    border-radius: 4px;
    opacity: 0.3;
    transition: all var(--transition-normal);
}

.layer:nth-child(1) { width: 100%; }
.layer:nth-child(2) { width: 80%; margin-left: 10%; }
.layer:nth-child(3) { width: 60%; margin-left: 20%; }

.bento-item:hover .layer {
    opacity: 0.6;
    background-color: var(--color-gold);
}

/* Platinum element contrast enhancement */