/* ========================================
   MELANIN NETWORK - PROFESSIONAL BRAND SYSTEM
   Version: 4.1 | Updated: 2025-12-16
   
   A comprehensive, production-ready CSS framework
   maintaining Melanin's unique brand identity.
======================================== */

/* ========================================
   1. DESIGN TOKENS & VARIABLES
======================================== */
:root {
    /* === CORE BRAND COLORS === */
    --melanin-maroon: #2F1B1B;        /* Primary brand color */
    --melanin-gold: #DAA520;           /* Secondary brand color */
    --melanin-accent: #FFD700;         /* Accent highlights */
    --melanin-beige: #F5DEB3;          /* Text color */
    --melanin-brown: #8B4513;          /* Supporting color */
    --melanin-dark: #1A0F0F;           /* Deep backgrounds */
    
    /* === SEMANTIC COLOR MAPPING (Dark Mode Default) === */
    --color-primary: var(--melanin-maroon);
    --color-secondary: var(--melanin-gold);
    --color-accent: var(--melanin-gold); 
    --color-highlight: var(--melanin-accent); 
    --color-text: var(--melanin-beige);
    --color-text-secondary: #BC9A6A;
    --color-text-muted: #9B7B5B;
    --color-text-inverse: var(--melanin-maroon);
    
    /* === BACKGROUND SYSTEM === */
    --bg-primary: var(--melanin-maroon);
    --bg-secondary: rgba(47, 27, 27, 0.95);
    --bg-glass: rgba(47, 27, 27, 0.7);
    --bg-card: rgba(245, 222, 179, 0.05);
    --bg-hover: rgba(245, 222, 179, 0.08);
    --bg-tertiary: rgba(245, 222, 179, 0.1);
    --bg-overlay: rgba(0, 0, 0, 0.6);
    --bg-gradient: radial-gradient(ellipse at center, rgba(218, 165, 32, 0.05) 0%, transparent 70%);
    
    /* === BORDER & SHADOW SYSTEM === */
    --border-color: rgba(245, 222, 179, 0.15);
    --border-glass: rgba(245, 222, 179, 0.2);
    --border-accent: rgba(218, 165, 32, 0.3);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 32px rgba(218, 165, 32, 0.25);
    
    /* === TYPOGRAPHY === */
    --font-family: 'Raleway', 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Monaco', 'Cascadia Code', monospace;
    
    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */
    
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-bold: 700;
    
    /* === SPACING (Compact) === */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 0.75rem;    /* 12px */
    --spacing-lg: 1rem;       /* 16px */
    --spacing-xl: 1.5rem;     /* 24px */
    --spacing-2xl: 2rem;      /* 32px */
    --spacing-3xl: 2.5rem;    /* 40px */
    --spacing-4xl: 3rem;      /* 48px */
    
    --container-xl: 1280px;
    --header-height: 70px;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
}

/* Light Theme Override */
[data-theme="light"] {
    --bg-primary: #FAF7F2;
    --bg-secondary: #FFFFFF;
    --bg-glass: rgba(250, 247, 242, 0.8);
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-hover: rgba(218, 165, 32, 0.1);
    --bg-tertiary: rgba(139, 69, 19, 0.1);
    
    --color-text: #8B4513;
    --color-text-secondary: #CD853F;
    --color-text-muted: #BC9A6A;
    --color-text-inverse: #F5DEB3;
    
    --border-color: rgba(139, 69, 19, 0.15);
    
    --shadow-glow: 0 0 32px rgba(218, 165, 32, 0.15);
}

/* ========================================
   2. RESET & BASE
======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--color-text);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
}

/* Skip Link (Accessibility) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 9999;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* Campaign Banner */
.campaign-banner {
    background: linear-gradient(90deg, var(--melanin-dark), var(--melanin-maroon));
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    font-size: var(--text-sm);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.campaign-banner .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.campaign-banner p {
    margin: 0;
}

.campaign-banner a {
    color: var(--color-highlight);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.campaign-banner a:hover {
    color: var(--color-accent);
}

.banner-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: var(--text-xl);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.banner-close:hover {
    color: var(--color-text);
}

/* ========================================
   3. LAYOUT
======================================== */
.container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    width: 100%;
}

section {
    padding: var(--spacing-2xl) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   4. TYPOGRAPHY
======================================== */
.hero-title {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero-subtitle {
    display: block;
    font-size: var(--text-2xl);
    font-weight: var(--weight-medium);
    background: linear-gradient(90deg, var(--color-highlight), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: var(--spacing-xs);
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 540px;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.hero-description span {
    display: block;
    margin-bottom: var(--spacing-sm);
}

.hero-description span:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: var(--text-3xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-weight: var(--weight-bold);
}

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

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: var(--weight-bold);
    line-height: 1.2;
}

h3 { font-size: var(--text-xl); }
p { margin-bottom: var(--spacing-md); }

/* ========================================
   5. COMPONENTS
======================================== */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: var(--weight-medium);
    transition: all var(--duration-fast) var(--ease-out);
    cursor: pointer;
    min-height: 48px;
    white-space: nowrap;
}

.btn-sm {
    min-height: 40px;
    padding: 0 var(--spacing-lg);
    font-size: var(--text-sm);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border: none;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

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

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

.btn-ghost:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.05);
}

/* Cards */
.feature-card, .tool-card, .community-card, .config-card, .step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--duration-normal) var(--ease-out);
    height: 100%;
}

.feature-card:hover, .tool-card:hover, .community-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.feature-card h3, .tool-card h3, .community-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p, .tool-card p, .community-card p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.tool-card .btn, .community-card .btn {
    margin-top: auto;
}

.brand-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-icon svg {
    width: 100%;
    height: 100%;
}

/* ========================================
   6. HEADER & NAVIGATION
======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-fixed);
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    height: 100%;
    width: 100%;
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-img { 
    height: 32px; 
    width: auto;
    display: inline-block;
}

.alpha-badge {
    font-size: var(--text-xs);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-weight: 600;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    height: 100%;
}

.nav-link {
    font-weight: var(--weight-medium);
    font-size: var(--text-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active { color: var(--color-accent); }

/* Mega Menu */
.has-dropdown { 
    position: relative; 
    height: 100%;
    display: flex;
    align-items: center;
}

.dropdown-trigger {
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.mega-menu {
    position: absolute;
    top: calc(100% + 1px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    width: max-content;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-fast);
    box-shadow: var(--shadow-lg);
}

.has-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-content {
    display: grid;
    gap: var(--spacing-sm);
}

.mega-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
}

.mega-menu-item:hover {
    background: var(--bg-hover);
}

.item-icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.item-details {
    display: flex;
    flex-direction: column;
}

.item-details strong {
    font-size: var(--text-sm);
    color: var(--color-text);
}

.item-details span {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--text-xs);
    margin-right: var(--spacing-lg);
    border-right: 1px solid var(--border-color);
    padding-right: var(--spacing-lg);
}

.nav-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-secondary);
}

.stat-icon {
    width: 16px;
    height: 16px;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: var(--spacing-xs);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    transition: background 0.2s;
}

.theme-toggle:hover {
    background: var(--bg-hover);
}

.theme-toggle .icon-container {
    width: 20px;
    height: 20px;
}

.nav-toggle { display: none; }

/* ========================================
   7. HERO & ANIMATIONS
======================================== */
.hero {
    margin-top: calc(var(--header-height) + 40px);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    min-height: calc(85vh - var(--header-height) - 40px);
    display: flex;
    align-items: center;
}

/* Chat Hero - Centered text-only hero */
.chat-hero {
    margin-top: calc(var(--header-height) + 40px);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
}

.chat-hero .hero-title {
    text-align: center;
}

.chat-hero .hero-description {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-content {
    justify-self: start;
    text-align: left;
    z-index: 2;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-visual {
    justify-self: center;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 100%;
}

/* 3D Animation Objects */
.hero-anim {
    width: 300px;
    height: 300px;
    position: relative;
    perspective: 1000px;
    flex-shrink: 0;
}

/* YouTube Embed in Hero - 16:9 aspect ratio */
.hero-anim:has(.youtube-embed) {
    width: 480px;
    height: 270px;
}

.youtube-embed {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-glass);
}

.youtube-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
}

@media (min-width: 1200px) {
    .hero-anim:has(.youtube-embed) {
        width: 560px;
        height: 315px;
    }
}

@media (max-width: 768px) {
    .hero-anim:has(.youtube-embed) {
        width: 100%;
        max-width: 400px;
        height: auto;
        aspect-ratio: 16 / 9;
    }
}

@media (min-width: 1200px) {
    .hero-anim {
        width: 380px;
        height: 380px;
    }
}

.orbital-system {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate3d 20s linear infinite;
}

@keyframes rotate3d {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.orbital-main {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    transform-style: preserve-3d;
}

.glass-orb-1, .glass-orb-2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    z-index: 0;
}

.glass-orb-1 {
    width: 250px;
    height: 250px;
    background: var(--color-accent);
    top: -20px;
    right: -20px;
}

.glass-orb-2 {
    width: 200px;
    height: 200px;
    background: var(--color-secondary);
    bottom: -20px;
    left: -20px;
}

/* Orbital Elements */
.orbital-element {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.orbital-element.orbit-1 {
    width: 200px;
    height: 200px;
    animation: spin 15s linear infinite;
}

.orbital-element.orbit-2 {
    width: 280px;
    height: 280px;
    animation: spin 25s linear infinite reverse;
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Pulse Rings */
.pulse-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--color-accent);
    opacity: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 3s infinite;
}

.pulse-ring-1 { width: 100px; height: 100px; animation-delay: 0s; }
.pulse-ring-2 { width: 100px; height: 100px; animation-delay: 1.5s; }

@keyframes pulse {
    0% { width: 100px; height: 100px; opacity: 0.8; }
    100% { width: 300px; height: 300px; opacity: 0; }
}

/* Throb Animation with Glow */
@keyframes throb {
    0% { 
        transform: scale(1); 
        text-shadow: 0 0 0 transparent;
    }
    50% { 
        transform: scale(1.05); 
        text-shadow: 0 0 8px var(--color-accent), 0 0 16px var(--color-accent);
    }
    100% { 
        transform: scale(1); 
        text-shadow: 0 0 0 transparent;
    }
}

.throb {
    display: inline-block;
    animation: throb 2s infinite ease-in-out;
}

.nav-link.throb {
    font-weight: var(--weight-medium);
}

/* Youtube Video */
.youtube-video {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 16/9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    background: #000;
}

/* Downloads Section */
.downloads {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.download-icons-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.download-platform-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--duration-fast) var(--ease-out);
}

.download-platform-icon:hover {
    color: var(--color-accent);
    transform: translateY(-4px);
}

.platform-icon-box {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--duration-fast) var(--ease-out);
}

.platform-icon-box svg {
    width: 40px;
    height: 40px;
}

.download-platform-icon:hover .platform-icon-box {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    background: var(--bg-hover);
}

.platform-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

/* ========================================
   8. FOOTER
======================================== */
.site-footer {
    margin-top: var(--spacing-4xl);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 32px;
    width: auto;
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
    font-size: var(--text-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--color-text-secondary);
    transition: all var(--duration-fast);
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--bg-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

/* ========================================
   9. MODALS & WIDGETS
======================================== */
.floating-chat {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    z-index: var(--z-sticky);
}

.chat-bubble {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--duration-fast);
    cursor: pointer;
}

.chat-bubble:hover {
    transform: scale(1.1);
}

.melanie-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.chat-label {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--duration-fast);
    pointer-events: none;
    border: 1px solid var(--border-color);
}

.floating-chat:hover .chat-label { opacity: 1; }

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    padding: var(--spacing-md);
}

.modal-overlay.active { display: flex; }

body.modal-open {
    overflow: hidden;
}

.modal-container {
    background: var(--bg-primary);
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: 4px;
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-content h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

/* ========================================
   10. STEP DIAGRAMS (How It Works)
======================================== */
.step-diagram {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    position: relative;
    margin-top: var(--spacing-xl);
}

.step-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    z-index: 1;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-glow);
    flex-shrink: 0;
}

.step-content {
    text-align: center;
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin: 0;
}

/* ========================================
   11. CHECKLISTS
======================================== */
.checklist-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.checklist-item {
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.checklist-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-hover);
}

.checkbox-custom {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-accent);
    border-radius: 4px;
    flex-shrink: 0;
}

/* ========================================
   12. TRUST STRIP
======================================== */
.trust-strip-section {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    background: var(--bg-tertiary);
}

.trust-strip {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.trust-badge:hover { opacity: 1; }

.trust-icon {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-sm);
}

.trust-item .trust-icon {
    color: var(--color-accent);
    font-weight: bold;
    width: auto;
    height: auto;
}

.trust-label {
    font-size: var(--text-sm);
    font-weight: 500;
}

/* ========================================
   13. RESPONSIVE
======================================== */
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 6px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;
        z-index: 1001;
    }
    
    .nav-toggle .bar {
        width: 24px;
        height: 2px;
        background: var(--color-text);
        transition: all 0.3s;
    }
    
    .nav-stats { display: none; }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--bg-secondary);
        padding: var(--spacing-xl);
        overflow-y: auto;
        gap: var(--spacing-lg);
        align-items: flex-start;
        border-top: 1px solid var(--border-color);
    }
    
    .mega-menu {
        position: static;
        width: 100%;
        min-width: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        margin-top: var(--spacing-sm);
        margin-left: var(--spacing-md);
        display: none;
    }
    
    .has-dropdown.active .mega-menu {
        display: block;
    }
    
    .dropdown-trigger {
        font-size: var(--text-lg);
        font-weight: 600;
        width: 100%;
        justify-content: space-between;
    }
    
    .dropdown-trigger::after {
        content: '+';
        font-weight: normal;
    }
    
    .has-dropdown.active .dropdown-trigger::after {
        content: '-';
    }
}

/* Tablet breakpoint */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
    
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    
    .footer-content {
        grid-template-columns: 2fr repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 1rem;
        --spacing-2xl: 1.5rem;
        --spacing-4xl: 3rem;
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;   /* 30px on mobile */
        --text-3xl: 1.75rem;
        --text-2xl: 1.25rem;    /* 20px on mobile */
        --header-height: 60px;
    }
    
    .container { padding: 0 var(--spacing-md); }
    
    .hero {
        margin-top: calc(var(--header-height) + 32px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
        padding: 0 var(--spacing-md);
    }
    
    .hero-content {
        justify-self: center;
        text-align: center;
        order: 2;
    }
    
    .hero-visual {
        order: 1;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-anim {
        width: 240px;
        height: 240px;
    }
    
    .hero-description { margin: 0 auto var(--spacing-xl); }
    .hero-buttons { justify-content: center; }
    
    .grid-cols-2, .grid-cols-3, .grid-cols-4, .step-diagram, .checklist-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .step-card::after { display: none; } /* Remove connecting lines */
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-legal { flex-direction: column; gap: var(--spacing-sm); align-items: center; }
    
    .trust-strip { justify-content: center; }
    
    .download-icons-row {
        gap: var(--spacing-lg);
    }
    
    .platform-icon-box {
        width: 64px;
        height: 64px;
    }
    
    .platform-icon-box svg {
        width: 32px;
        height: 32px;
    }
    
    .campaign-banner .container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
}

/* ========================================
   COMPACT DESIGN SYSTEM
   For concise, high-impact pages
======================================== */

/* === HERO METRICS === */
.hero-metric {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--melanin-gold);
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.hero-metric-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-metrics-row {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.hero-metric-item {
    text-align: center;
}

/* === STATS BAR === */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 0;
    background: var(--bg-glass);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--melanin-gold);
}

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

/* === COMPACT HERO === */
.hero-compact {
    padding: 3rem 0 2rem;
    min-height: auto;
}

.hero-compact .hero-title {
    font-size: var(--text-4xl);
    margin-bottom: 0.5rem;
}

.hero-compact .hero-subtitle {
    font-size: var(--text-lg);
}

.hero-compact .hero-description {
    font-size: var(--text-base);
    max-width: 500px;
    margin: 0 auto 1.5rem;
}

/* === COMPACT FEATURE CARDS === */
.feature-card-compact {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
}

.feature-card-compact:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.feature-card-compact .card-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--melanin-gold);
}

.feature-card-compact h3 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.feature-card-compact p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.4;
    margin: 0;
}

/* === COMPACT GRID === */
.grid-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 768px) {
    .grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .grid-compact {
        grid-template-columns: 1fr;
    }
}

/* === STEP INDICATORS (Compact) === */
.steps-compact {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
}

.step-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-compact .step-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 2px solid var(--melanin-gold);
    border-radius: 50%;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.step-compact .step-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
}

.step-compact .step-sublabel {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--melanin-gold);
    opacity: 0.5;
}

/* === STRONG CTA === */
.btn-strong {
    background: linear-gradient(135deg, var(--melanin-gold), var(--melanin-accent));
    color: var(--melanin-maroon);
    padding: 1rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: 0 4px 15px rgba(218, 165, 32, 0.3);
}

.btn-strong:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(218, 165, 32, 0.4);
}

/* === TRUST STRIP (Compact) === */
.trust-strip-compact {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1.5rem 0;
}

.trust-badge-compact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.trust-badge-compact .trust-icon {
    font-size: 1.25rem;
    color: var(--melanin-gold);
}

/* === SECTION STYLES === */
.section,
.how-it-works,
.benefits,
.get-started,
.learn-more,
.support {
    padding: var(--spacing-3xl) 0;
}

.section {
    background: var(--bg-primary);
}

.how-it-works {
    background: var(--bg-secondary);
}

.benefits {
    background: var(--bg-primary);
}

.get-started {
    background: var(--bg-secondary);
}

.learn-more {
    background: var(--bg-primary);
}

.support {
    background: var(--bg-secondary);
}

/* === FLOW DIAGRAM === */
.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    min-width: 160px;
    transition: all 0.2s;
}

.flow-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.flow-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.flow-icon svg {
    width: 100%;
    height: 100%;
}

.flow-label {
    font-weight: var(--weight-medium);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-xs);
}

.flow-sublabel {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.flow-arrow {
    font-size: var(--text-2xl);
    color: var(--color-accent);
    font-weight: bold;
}

/* === LAUNCHER SECTION === */
/* Additional section styling */
.section-header {
    margin-bottom: var(--spacing-xl);
}

.ventures-portfolio {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.explorer-section {
    padding: var(--spacing-3xl) 0;
}

.launcher-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-gradient);
}

.launcher-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all 0.3s var(--ease-out);
}

.launcher-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.launcher-card .brand-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
}

.launcher-card h3 {
    margin-bottom: var(--spacing-sm);
}

.launcher-card p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.launcher-card .btn {
    margin-top: auto;
}

/* === ECOSYSTEM SECTION === */
.ecosystem-section {
    padding: var(--spacing-3xl) 0;
}

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

.subsection-title {
    font-size: var(--text-lg);
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.subsection-title:first-of-type {
    margin-top: 0;
}

.ecosystem-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s var(--ease-out);
}

.ecosystem-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.ecosystem-card .brand-icon {
    width: 36px;
    height: 36px;
    margin-bottom: var(--spacing-sm);
}

.ecosystem-card h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.ecosystem-card p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.ecosystem-card .btn {
    margin-top: auto;
}

/* === INFO CARD === */
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.2s;
}

.info-card:hover {
    border-color: var(--border-accent);
}

.info-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.info-card ul {
    text-align: left;
}

.info-card ul li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

.info-card ul li::before {
    content: "•";
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

/* Section Subtitle */
.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Section Description */
.section-description {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Specs List */
.specs-list {
    text-align: left;
}

.specs-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--border-color);
}

.specs-list li:last-child {
    border-bottom: none;
}

/* Simple Checklist (non-interactive) */
ul.checklist {
    text-align: left;
}

ul.checklist li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

ul.checklist li::before {
    content: "✓";
    color: var(--color-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* === STEPS CONTAINER === */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .steps-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .steps-container .step-arrow {
        transform: rotate(90deg);
    }
}

/* === RESPONSIVE TABLE === */
.responsive-table {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.data-table th,
.data-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: var(--weight-medium);
    color: var(--color-accent);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* === BADGES === */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    background: var(--bg-tertiary);
    color: var(--color-text);
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.badge-warning {
    background: rgba(234, 179, 8, 0.2);
    color: #eab308;
}

.badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.badge-accent {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

/* === SECTION NOTE === */
.section-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin-top: var(--spacing-lg);
    font-style: italic;
}

/* === VISION SECTION === */
.vision-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-gradient);
}

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

.vision-section .section-description {
    margin-bottom: var(--spacing-2xl);
}

.vision-note {
    text-align: center;
    margin-top: var(--spacing-2xl);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* === CTA SECTION === */
.cta-section {
    text-align: center;
    padding: 3rem 0;
    background: var(--bg-glass);
}

.cta-section h2 {
    font-size: var(--text-2xl);
    margin-bottom: 0.5rem;
}

.cta-section p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

/* === SECTION COMPACT === */
.section-compact {
    padding: 2rem 0;
}

.section-compact .section-title {
    font-size: var(--text-2xl);
    margin-bottom: 1.5rem;
}

/* === RESPONSIVE ADJUSTMENTS === */
@media (max-width: 768px) {
    .hero-metric {
        font-size: 2.5rem;
    }

    .hero-metrics-row {
        flex-direction: column;
        gap: 1rem;
    }

    .stats-bar {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .steps-compact {
        flex-direction: column;
        gap: 0.5rem;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .trust-strip-compact {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .flow-diagram {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .flow-item {
        width: 100%;
        min-width: unset;
    }
}