/* ==========================================================================
   ORGANIZED CSS STRUCTURE
   ========================================================================== */

/* 1. CSS CUSTOM PROPERTIES */
:root {
    /* Typography */
    --text-xs: 0.75rem; --text-sm: 0.875rem; --text-base: 1rem; --text-lg: 1.125rem; --text-xl: 1.25rem;
    --text-2xl: 1.5rem; --text-3xl: 1.875rem; --text-4xl: 2.25rem; --text-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
    --space-6: 1.5rem; --space-8: 2rem; --space-12: 3rem; --space-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-full: 99px;
    
    /* Light Theme Colors */
    --color-bg: #f9fbfd; --color-text-header: #0f172a; --color-text-body: #1f2937; --color-text-muted: #6B7280;
    --color-surface: #ffffff; --color-surface-translucent: rgba(255, 255, 255, 0.3);
    --color-border: rgba(0, 0, 0, 0.08); --color-border-translucent: rgba(255, 255, 255, 0.2);
    --color-button-bg: #e2e8f0; --color-button-text: #1e293b; --color-shadow: rgba(0, 0, 0, 0.05);
    --color-success: #4caf50; --color-error: #f44336; --color-warning: #f59e0b; --color-bg-rgb: 249, 251, 253;
    
    /* Accent Colors */
    --color-accent: #2979FF; --color-accent-dark: #1C64F2;
    --color-accent-gradient: linear-gradient(-45deg, var(--color-accent), var(--color-accent-dark));
    --color-accent-orange: #ffb74d; --color-accent-teal: #4fc3f7; --color-accent-blue: #2979FF; --color-accent-red: #e57373;
    
    /* Background Gradients */
    --color-background-gradient: linear-gradient(to bottom, hsl(200, 100%, 90%), hsl(240, 100%, 98%) 80%, hsl(0,0%,100%) 100%);
    --color-aurora-1: hsl(195, 100%, 80%); --color-aurora-2: hsl(280, 100%, 85%); --color-aurora-3: hsl(340, 100%, 85%);
}

/* Dark Theme */
html.dark {
    --color-bg: #0a0a0a; --color-text-header: #f8fafc; --color-text-body: #e2e8f0; --color-text-muted: #a1a1aa;
    --color-surface: #1a1a1a; --color-surface-translucent: rgba(25, 25, 25, 0.4);
    --color-border: rgba(255, 255, 255, 0.1); --color-border-translucent: rgba(255, 255, 255, 0.1);
    --color-button-bg: #2d2d2d; --color-button-text: #e5e7eb; --color-shadow: rgba(0, 0, 0, 0.2);
    --color-success: #66bb6a; --color-error: #ef5350; --color-bg-rgb: 10, 10, 10;
    --color-accent: #448AFF; --color-accent-dark: #2979FF;
    --color-accent-orange: #d68023; --color-accent-teal: #0369a1; --color-accent-blue: #448AFF; --color-accent-red: #b71c1c;
    --color-background-gradient: linear-gradient(to bottom, hsl(210, 30%, 15%), hsl(240, 20%, 10%) 80%, hsl(0,0%,0%) 100%);
    --color-aurora-1: hsl(210, 100%, 50%); --color-aurora-2: hsl(290, 100%, 55%); --color-aurora-3: hsl(330, 90%, 60%);
}

/* Theme Personas - Light */
html.persona-crimson { --color-accent: #DC2626; --color-accent-dark: #B91C1C; --color-background-gradient: linear-gradient(to bottom, hsl(350, 100%, 90%), hsl(0, 100%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-amethyst { --color-accent: #9333EA; --color-accent-dark: #7E22CE; --color-background-gradient: linear-gradient(to bottom, hsl(260, 100%, 90%), hsl(290, 100%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-forest { --color-accent: #16A34A; --color-accent-dark: #15803D; --color-background-gradient: linear-gradient(to bottom, hsl(110, 80%, 90%), hsl(140, 70%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-slate { --color-accent: #64748B; --color-accent-dark: #475569; --color-background-gradient: linear-gradient(to bottom, hsl(210, 20%, 90%), hsl(240, 15%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-orange { --color-accent: #F97316; --color-accent-dark: #EA580C; --color-background-gradient: linear-gradient(to bottom, hsl(30, 100%, 90%), hsl(40, 100%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-teal { --color-accent: #14B8A6; --color-accent-dark: #0D9488; --color-background-gradient: linear-gradient(to bottom, hsl(170, 70%, 90%), hsl(160, 60%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-pink { --color-accent: #EC4899; --color-accent-dark: #DB2777; --color-background-gradient: linear-gradient(to bottom, hsl(330, 100%, 90%), hsl(340, 100%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-lime { --color-accent: #84CC16; --color-accent-dark: #65A30D; --color-background-gradient: linear-gradient(to bottom, hsl(70, 100%, 90%), hsl(80, 100%, 98%) 80%, hsl(0,0%,100%) 100%); }
html.persona-gold { --color-accent: #EAB308; --color-accent-dark: #D97706; --color-background-gradient: linear-gradient(to bottom, hsl(50, 100%, 90%), hsl(60, 100%, 98%) 80%, hsl(0,0%,100%) 100%); }

/* Theme Personas - Dark */
html.dark.persona-crimson { --color-accent: #F87171; --color-accent-dark: #EF4444; --color-background-gradient: linear-gradient(to bottom, hsl(350, 60%, 15%), hsl(0, 50%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-amethyst { --color-accent: #C084FC; --color-accent-dark: #A855F7; --color-background-gradient: linear-gradient(to bottom, hsl(260, 60%, 15%), hsl(290, 50%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-forest { --color-accent: #4ADE80; --color-accent-dark: #22C55E; --color-background-gradient: linear-gradient(to bottom, hsl(110, 40%, 15%), hsl(140, 30%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-slate { --color-accent: #94A3B8; --color-accent-dark: #64748B; --color-background-gradient: linear-gradient(to bottom, hsl(210, 15%, 15%), hsl(240, 10%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-orange { --color-accent: #FB923C; --color-accent-dark: #F97316; --color-background-gradient: linear-gradient(to bottom, hsl(30, 70%, 15%), hsl(40, 60%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-teal { --color-accent: #5EEAD4; --color-accent-dark: #2DD4BF; --color-background-gradient: linear-gradient(to bottom, hsl(170, 50%, 15%), hsl(160, 40%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-pink { --color-accent: #F472B6; --color-accent-dark: #EC4899; --color-background-gradient: linear-gradient(to bottom, hsl(330, 70%, 15%), hsl(340, 60%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-lime { --color-accent: #A3E635; --color-accent-dark: #84CC16; --color-background-gradient: linear-gradient(to bottom, hsl(70, 100%, 15%), hsl(80, 70%, 10%) 80%, hsl(0,0%,0%) 100%); }
html.dark.persona-gold { --color-accent: #FACC15; --color-accent-dark: #EAB308; --color-background-gradient: linear-gradient(to bottom, hsl(50, 90%, 15%), hsl(60, 80%, 10%) 80%, hsl(0,0%,0%) 100%); }

/* 2. RESET & BASE STYLES */
*, *::after, *::before { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
html.no-scroll { overflow: hidden; }
[id] { scroll-margin-top: 100px; }

body {
    font-family: 'Poppins', sans-serif; background-color: var(--color-bg); color: var(--color-text-body);
    line-height: 1.7; transition: color 0.5s ease, background 0.5s ease; position: relative;
}

body.no-scroll { overflow: hidden; }

/* Webkit Search Input */
input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; display: none; }

/* 3. UTILITY CLASSES */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.accent-text { background: var(--color-accent-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: var(--color-accent); }
.glass-effect { backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%); background: var(--color-surface-translucent); border: 1px solid var(--color-border-translucent); will-change: backdrop-filter; }
.animate-element { will-change: transform, opacity; transform: translate3d(0, 0, 0); }

/* Fallback for backdrop-filter */
@supports not (backdrop-filter: blur(10px)) {
    .glass-effect { background: var(--color-surface); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1); }
}

/* Accessibility */
.skip-link { position: absolute; top: -40px; left: 6px; background: var(--color-accent); color: white; padding: 8px; text-decoration: none; transition: top 0.3s; }
.skip-link:focus { top: 6px; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; border-radius: 8px; }

/* Section Headers */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.section-header h2 { font-size: clamp(2.2rem, 5vw, 2.8rem); font-weight: 700; color: var(--color-text-header); line-height: 1.2; margin-bottom: 1rem; }
.section-header p { font-size: 1.1rem; color: var(--color-text-muted); }

/* 4. LAYOUT COMPONENTS */
main, header, footer { position: relative; z-index: 2; }

/* Background Effects */
#background-effects { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; overflow: hidden; }
#aurora-background, #particle-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; transition: opacity 0.5s ease; }

/* Aurora Controls */
html:not(.persona-aurora) #aurora-background { opacity: 0; pointer-events: none; }
html.persona-aurora #aurora-background { opacity: 1; }
html.persona-aurora #particle-canvas { opacity: 0; pointer-events: none; }
html:not(.persona-aurora) #particle-canvas { opacity: 0.2; }
html.dark:not(.persona-aurora) #particle-canvas { opacity: 0.2; }

/* Aurora Blobs */
.aurora-blob { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.5; animation-play-state: running; }
#aurora-blob-1 { top: -20vh; left: -10vw; width: 50vw; height: 50vw; background: var(--color-aurora-1); animation: moveBlob1 25s ease-in-out infinite; }
#aurora-blob-2 { top: 10vh; right: -20vw; width: 60vw; height: 60vw; background: var(--color-aurora-2); animation: moveBlob2 30s ease-in-out infinite; }
#aurora-blob-3 { bottom: -30vh; left: 20vw; width: 45vw; height: 45vw; background: var(--color-aurora-3); animation: moveBlob3 20s ease-in-out infinite; }
body.animations-paused .aurora-blob { animation-play-state: paused; }

/* Progress & Back to Top */
.scroll-progress-bar { position: fixed; top: 0; left: 0; height: 4px; background: var(--color-accent-gradient); width: 0%; z-index: 1000; }
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem; width: 50px; height: 50px; background: var(--color-accent-gradient);
    color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    text-decoration: none; box-shadow: 0 4px 15px -5px var(--color-shadow); z-index: 40;
    opacity: 0; visibility: hidden; transform: translateY(20px) scale(0.9); transition: all 0.3s ease;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.back-to-top:hover { box-shadow: 0 8px 25px -6px var(--color-accent); transform: scale(1.05); }
.back-to-top svg { width: 24px; height: 24px; }

/* Link Items */
.link-item {
    display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.5rem; border-radius: 99px;
    text-decoration: none; font-weight: 600; transition: all 0.25s ease; border: 2px solid transparent;
    font-size: 1rem; position: relative; overflow: visible;
}
.link-item--primary { color: #fff; box-shadow: 0 4px 15px -5px var(--color-accent); background: var(--color-accent-gradient); }
.link-item--primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 25px -6px var(--color-accent); }
.link-item--secondary { background-color: var(--color-button-bg); color: var(--color-button-text); border-color: var(--color-border); }
.link-item--secondary:hover { background-color: var(--color-button-bg); color: var(--color-text-header); border-color: var(--color-accent); }
.link-item img, .link-item svg { width: 24px; height: 24px; }

.soon-badge {
    position: absolute; top: -8px; right: -8px; background-color: var(--color-accent); color: #fff; font-size: 0.6rem;
    font-weight: 700; padding: 2px 6px; border-radius: 8px; text-transform: uppercase; letter-spacing: 0.5px;
    transform: rotate(10deg); z-index: 2;
}

/* 5. HEADER & NAVIGATION */
header { padding: 0.5rem 0; position: sticky; top: 0; z-index: 102; transition: transform 0.4s ease; }
header.is-hidden { transform: translateY(-110%); }
.header-panel { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.75rem 1.5rem; border-radius: 99px; background-color: transparent; backdrop-filter: none; border: 1px solid transparent; transition: all 0.3s ease; box-shadow: none; }
.header-panel.is-scrolled { background-color: color-mix(in srgb, var(--color-surface) 85%, transparent); backdrop-filter: blur(8px); border: 1px solid color-mix(in srgb, var(--color-border) 60%, transparent); box-shadow: 0 2px 12px -3px var(--color-shadow); }
.header-left, .header-right { display: flex; align-items: center; gap: 0.5rem; }

/* Logo */
.logo-text { font-size: 1.75rem; font-weight: 700; text-decoration: none; color: var(--color-text-header); letter-spacing: -1px; transition: color 0.3s ease; }
html:not(.dark) .logo-text { color: var(--color-accent); }
html:not(.dark).persona-aurora .logo-text { color: #2979FF; }

/* Navigation */

.header-nav-links {display: flex;flex-wrap: wrap;gap: 0.25rem 2rem;}
.header-nav-links a { text-decoration: none; color: var(--color-text-muted); font-weight: 500; font-size: 0.95rem; transition: all 0.3s ease; position: relative; padding: 0.5rem 0; /* Vertical padding only */ border-radius: 0; /* Remove border radius */ background-color: transparent; /* Remove background */ }
.header-nav-links a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px; background: var(--color-accent-gradient); transform: translateX(-50%); transition: width 0.3s ease; }
.header-nav-links a:hover {color: var(--color-accent);}
.header-nav-links a:hover::after {width: 100%}
.header-nav-links a.is-active {color: var(--color-accent-dark);font-weight: 600;background-color: transparent;}
.header-nav-links a.is-active::after {width: 100%;background: var(--color-accent-gradient);}
html.dark .header-nav-links a.is-active { color: var(--color-accent);background-color: transparent !important;}
html.dark .header-nav-links a {background-color: transparent !important;}
html.dark .header-nav-links a:hover {background-color: transparent !important;}
.header-nav-links a:hover::after,.header-nav-links a.is-active::after {box-shadow: 0 0 8px color-mix(in srgb, var(--color-accent) 40%, transparent);}
html.persona-crimson .header-nav-links a::after,
html.persona-crimson .header-nav-links a.is-active::after {background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);}
html.persona-amethyst .header-nav-links a::after,html.persona-amethyst .header-nav-links a.is-active::after {background: linear-gradient(135deg, #9333EA 0%, #7E22CE 100%);}
html.persona-forest .header-nav-links a::after,
html.persona-forest .header-nav-links a.is-active::after {background: linear-gradient(135deg, #16A34A 0%, #15803D 100%);}

/* Header Controls */
#theme-toggle, .persona-button, .performance-toggle {
    background: transparent; border: none; padding: 0.5rem; color: var(--color-text-muted);
    border-radius: 50%; display: flex; transition: color 0.2s, background-color 0.2s;
}
#theme-toggle:hover, .persona-button:hover, .performance-toggle:hover { color: var(--color-accent); background-color: var(--color-surface); }
#theme-toggle svg, .persona-button svg, .performance-toggle svg { width: 24px; height: 24px; }

/* Theme Toggle Icons */
#theme-toggle .moon-icon { display: none; }
html.dark #theme-toggle .sun-icon { display: none; }
html.dark #theme-toggle .moon-icon { display: block; }

/* Performance Toggle Icons */
.performance-toggle .performance-off-icon { display: none; }
html.performance-mode .performance-toggle .performance-on-icon { display: none; }
html.performance-mode .performance-toggle .performance-off-icon { display: block; }

/* Dropdowns */
.language-switcher, .persona-switcher { position: relative; }
.lang-button {
    display: flex; align-items: center; gap: 0.5rem; background: transparent; border: none; padding: 0.5rem;
    color: var(--color-text-muted); font-weight: 600; font-family: inherit; font-size: 0.9rem;
    border-radius: 8px; transition: color 0.2s, background-color 0.2s;
}
.lang-button:hover { color: var(--color-accent); background-color: var(--color-surface); }
.lang-button svg { width: 16px; height: 16px; transition: transform 0.2s ease; }

.lang-dropdown, .persona-dropdown {
    position: absolute; top: calc(100% + 12px); right: 0; background-color: var(--color-surface);
    border: 1px solid var(--color-border); border-radius: 12px; box-shadow: 0 8px 25px -5px var(--color-shadow);
    padding: 1rem; z-index: 52; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all 0.2s ease;
}
.lang-dropdown.active, .persona-dropdown.active { opacity: 1; visibility: visible; transform: translateY(0); }

.lang-dropdown a {
    display: block; padding: 0.5rem 0.75rem; color: var(--color-text-body); text-decoration: none;
    border-radius: 6px; font-size: 0.9rem; transition: color 0.2s, background-color 0.2s;
}
.lang-dropdown a:hover { background-color: var(--color-button-bg); color: var(--color-text-header); }

/* Persona Dropdown */
.persona-dropdown { padding: 0.75rem; min-width: 220px; }
.persona-dropdown h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-muted); margin: 0 0 0.5rem 0.25rem; font-weight: 600; }
.persona-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }

.persona-dropdown .persona-btn {
    width: 100%; background: transparent; border: 2px solid var(--color-border); border-radius: 8px;
    display: flex; flex-direction: row; align-items: center; justify-content: flex-start; padding: 0.5rem;
    font-size: 0.9rem; font-weight: 600; color: var(--color-text-header); transition: all 0.2s ease;
}
.persona-dropdown .persona-btn:hover { border-color: var(--color-accent); background-color: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.persona-dropdown .persona-btn.is-active { border-color: var(--color-accent); background-color: color-mix(in srgb, var(--color-accent) 15%, transparent); font-weight: 700; }

/* Persona Icons */
.persona-icon { display: flex; align-items: center; justify-content: center; width: 20px; height: 20px; font-size: 1.25rem; line-height: 1; margin-right: 0.75rem; }
.persona-icon-gradient { width: 20px; height: 20px; border-radius: 50%; background-image: linear-gradient(45deg, var(--color-aurora-1), var(--color-aurora-2), var(--color-aurora-3)); }
.persona-icon-color { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--color-border-translucent); }

/* Persona Colors - Light Mode */
.persona-btn[data-persona="default"] .persona-icon-color { background-color: #2979FF; }
.persona-btn[data-persona="crimson"] .persona-icon-color { background-color: #DC2626; }
.persona-btn[data-persona="amethyst"] .persona-icon-color { background-color: #9333EA; }
.persona-btn[data-persona="forest"] .persona-icon-color { background-color: #16A34A; }
.persona-btn[data-persona="slate"] .persona-icon-color { background-color: #64748B; }
.persona-btn[data-persona="orange"] .persona-icon-color { background-color: #F97316; }
.persona-btn[data-persona="teal"] .persona-icon-color { background-color: #14B8A6; }
.persona-btn[data-persona="pink"] .persona-icon-color { background-color: #EC4899; }
.persona-btn[data-persona="lime"] .persona-icon-color { background-color: #84CC16; }
.persona-btn[data-persona="gold"] .persona-icon-color { background-color: #EAB308; }

/* Persona Colors - Dark Mode */
html.dark .persona-btn[data-persona="default"] .persona-icon-color { background-color: #448AFF; }
html.dark .persona-btn[data-persona="crimson"] .persona-icon-color { background-color: #F87171; }
html.dark .persona-btn[data-persona="amethyst"] .persona-icon-color { background-color: #C084FC; }
html.dark .persona-btn[data-persona="forest"] .persona-icon-color { background-color: #4ADE80; }
html.dark .persona-btn[data-persona="slate"] .persona-icon-color { background-color: #94A3B8; }
html.dark .persona-btn[data-persona="orange"] .persona-icon-color { background-color: #FB923C; }
html.dark .persona-btn[data-persona="teal"] .persona-icon-color { background-color: #5EEAD4; }
html.dark .persona-btn[data-persona="pink"] .persona-icon-color { background-color: #F472B6; }
html.dark .persona-btn[data-persona="lime"] .persona-icon-color { background-color: #A3E635; }
html.dark .persona-btn[data-persona="gold"] .persona-icon-color { background-color: #FACC15; }

/* Mobile Navigation */
.mobile-menu-btn { display: none; background: transparent; border: none; padding: 0.5rem; margin-left: 0.5rem; color: var(--color-text-muted); z-index: 101; }
.mobile-menu-btn svg { width: 24px; height: 24px; }
.mobile-menu-btn .menu-close-icon { display: none; }
.mobile-menu-btn.is-active .menu-open-icon { display: none; }
.mobile-menu-btn.is-active .menu-close-icon { display: block; }

.mobile-nav-panel {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(var(--color-bg-rgb), 0.8);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); z-index: 100; display: flex; flex-direction: column;
    padding: 1rem; visibility: hidden; opacity: 0; transform: translateY(-20px); transition: opacity 0.3s ease, transform 0.3s ease;
}
html.performance-mode .mobile-nav-panel { background-color: var(--color-bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
.mobile-nav-panel.is-active { visibility: visible; opacity: 1; transform: translateY(0); }

.mobile-nav-close-btn {
    position: absolute; top: 1rem; right: 1.5rem; background: transparent; border: none; color: var(--color-text-muted);
    font-size: 1.75rem; line-height: 1; padding: 0.5rem; border-radius: 50%; transition: all 0.2s ease; z-index: 10;
}
.mobile-nav-close-btn:hover { color: var(--color-accent); background-color: var(--color-button-bg); }

.mobile-nav-links-container { padding-top: 80px; display: flex; flex-direction: column; align-items: center; gap: 1.5rem; flex-grow: 1; overflow-y: auto; }
.mobile-nav-panel a { font-size: 1.5rem; font-weight: 600; text-decoration: none; color: var(--color-text-body); transition: color 0.2s ease; }
.mobile-nav-panel a.is-active, .mobile-nav-panel a:hover { color: var(--color-accent); }

.mobile-settings-actions {
    padding: 1.5rem 0; border-top: 1px solid var(--color-border); width: 100%; max-width: 320px;
    margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 1rem; flex-shrink: 0;
}
.mobile-settings-actions h3 { font-size: 1rem; color: var(--color-text-muted); margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }

.mobile-action-group { display: flex; justify-content: space-around; width: 100%; gap: 1rem; }
.mobile-action-button {
    display: flex; flex-direction: column; align-items: center; justify-content: center; background-color: var(--color-button-bg);
    border: 1px solid var(--color-border); border-radius: 12px; padding: 1rem 0.5rem; flex-grow: 1;
    color: var(--color-text-header); font-size: 0.85rem; font-weight: 600; gap: 0.5rem; transition: all 0.2s ease;
}
.mobile-action-button:hover { background-color: var(--color-accent); border-color: var(--color-accent); color: #fff; transform: translateY(-3px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.mobile-action-button svg { width: 28px; height: 28px; color: var(--color-accent); transition: color 0.2s ease; }
.mobile-action-button:hover svg { color: #fff; }
.mobile-action-button .moon-icon { display: none; }
html.dark .mobile-action-button .sun-icon { display: none; }
html.dark .mobile-action-button .moon-icon { display: block; }

/* 6. HERO SECTION */
.hero { padding-top: 5rem; padding-bottom: 5rem; text-align: center; overflow: hidden; }
.hero-text h1 { font-size: clamp(3rem, 7vw, 5.2rem); font-weight: 800; color: var(--color-text-header); line-height: 1.15; margin-bottom: 0; }
.hero-line { overflow: hidden; padding-bottom: 0.1em; line-height: 1.15; }
.hero-line:last-of-type { padding-bottom: 0.2em; }
.hero-line > span, .hero-fade { opacity: 0; transform: translateY(20px); }
.tagline { font-size: 1.2rem; max-width: 750px; margin: 1.5rem auto 1rem; color: var(--color-text-muted); }
.hero-links .links-list { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; align-items: center; }
.join-users-tagline { font-size: 1rem; font-weight: 500; color: var(--color-text-body); margin-top: 2rem; margin-bottom: 1rem; max-width: 600px; margin-left: auto; margin-right: auto; }

/* 7. SCREENSHOTS & FEATURES */
.screenshots-3d-section { padding: 4rem 0; overflow-x: hidden; }

.carousel-wrapper-3d { position: relative; width: 100%; max-width: 1100px; height: 600px; margin: 0 auto; }
.carousel-container-3d { width: 100%; height: 100%; position: relative; perspective: 2000px; perspective-origin: center 40%; }
.carousel-track-3d { width: 100%; height: 100%; position: absolute; transform-style: preserve-3d; transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1); }

.carousel-slide-3d {
    position: absolute; left: 50%; top: 0; width: min(85vw, 320px); height: 100%; -webkit-backface-visibility: hidden;
    backface-visibility: hidden; background-color: var(--color-surface); border-radius: 1.75rem; border: 8px solid var(--color-border);
    box-shadow: 0 20px 40px -10px var(--color-shadow); overflow: hidden; display: flex; justify-content: center; align-items: center;
    transition: transform 0.5s ease, border-color 0.3s ease, filter 0.3s ease;
}
.carousel-slide-3d.is-active { border-color: var(--color-accent); cursor: zoom-in; }
.carousel-slide-3d:not(.is-active) { border-color: color-mix(in srgb, var(--color-border) 60%, transparent); cursor: pointer; }
.carousel-slide-3d:not(.is-active):hover { border-color: color-mix(in srgb, var(--color-accent) 50%, transparent); filter: brightness(1.05); }
html.dark .carousel-slide-3d { border-color: var(--color-border); }
html.dark .carousel-slide-3d.is-active { border-color: var(--color-accent); }
.carousel-slide-3d img { width: 100%; height: 100%; object-fit: cover; border-radius: 1.25rem; pointer-events: none; }

.carousel-btn-3d {
    position: absolute; width: 50px; height: 50px; border-radius: 50%;
    background: var(--color-surface-translucent); border: 1px solid var(--color-border-translucent); backdrop-filter: blur(8px);
    color: var(--color-text-body); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden;
    z-index: 10; transition: opacity 0.3s ease, background-color 0.2s ease;
    touch-action: manipulation; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent;
    pointer-events: auto;
}
.carousel-wrapper-3d:hover .carousel-btn-3d { opacity: 1; visibility: visible; }
.carousel-btn-3d:hover { background-color: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.carousel-btn-3d svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
    .carousel-wrapper-3d { height: 500px; }
    .carousel-btn-3d { display: none !important; }
}

/* Zoom Icon */
.zoom-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.8); width: 60px; height: 60px; background-color: rgba(0, 0, 0, 0.5); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; opacity: 0; pointer-events: none; transition: opacity 0.3s ease, transform 0.3s ease; z-index: 5; }
.zoom-icon svg { width: 32px; height: 32px; }
.carousel-slide-3d.is-active:hover .zoom-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* Carousel Dots */
.dot-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: white;  /* Changed from accent color to white */
    border-radius: inherit;
    width: 0%;
    pointer-events: none;
    opacity: 0.6;  /* Reduced from 0.8 */
    mix-blend-mode: overlay;  /* Add blend mode for better contrast */
}
.carousel-dot-3d.is-active .dot-progress { display: block; }
.carousel-dot-3d:not(.is-active) .dot-progress { display: none; }
.carousel-dots-3d { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 2.5rem; padding: 12px 20px; background: var(--color-surface-translucent); backdrop-filter: blur(10px); border-radius: 50px; width: fit-content; margin-left: auto; margin-right: auto; border: 1px solid var(--color-border-translucent); }
.carousel-dot-3d { width: 8px; height: 8px; background: var(--color-text-muted); border-radius: 50%; cursor: pointer; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); opacity: 0.3; border: none; position: relative; overflow: visible; }
.carousel-dot-3d:hover { opacity: 0.6; transform: scale(1.5); }
.carousel-dot-3d.is-active { width: 32px; border-radius: 12px; background: var(--color-accent-gradient); opacity: 1; transform: scale(1); box-shadow: 0 0 20px color-mix(in srgb, var(--color-accent) 40%, transparent); }
.carousel-dot-3d.is-active::after { content: ''; position: absolute; inset: -4px; border-radius: 16px; background: var(--color-accent); opacity: 0.2; animation: dotPulse 2s infinite; }
@keyframes dotPulse { 0%, 100% { transform: scale(1); opacity: 0.2; } 50% { transform: scale(1.2); opacity: 0; } }
@media (max-width: 768px) { .carousel-dots-3d { gap: 8px; padding: 10px 16px; background: var(--color-surface-translucent); backdrop-filter: blur(10px); } }

/* Lazy Loading */
img.lazy { opacity: 0; transition: opacity 0.4s ease-in-out; }
img.lazy.is-loaded { opacity: 1; }

/* Features Section */
#features { padding: 4rem 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.feature-item {
    background-color: var(--color-surface-translucent); backdrop-filter: blur(20px); border: 1px solid var(--color-border);
    padding: 2.5rem 2rem; border-radius: 1rem; text-align: center; position: relative; overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
.feature-item:hover { 
    transform: translateY(-8px) !important; box-shadow: 0 10px 30px -10px var(--color-shadow);
    backdrop-filter: blur(8px); background-color: var(--color-surface);
}
.feature-item::before { 
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; 
    background: var(--color-accent-gradient); transform: scaleY(0); transition: transform 0.3s ease;
}
.feature-item:hover::before { transform: scaleY(1); }
.feature-icon {
    display: inline-flex; justify-content: center; align-items: center; width: 64px; height: 64px; border-radius: 50%;
    margin-bottom: 1.5rem; transition: transform 0.3s ease; background: var(--color-accent-gradient); color: #fff;
}
.feature-item:hover .feature-icon { transform: scale(1.1) rotate(-10deg); }
.feature-icon svg { width: 32px; height: 32px; }
.feature-item h3 { font-size: 1.25rem; font-weight: 600; color: var(--color-text-header); margin-bottom: 0.5rem; }
.feature-item p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.6; }

/* 8. CALCULATOR SECTION */
#calculator { padding: 4rem 0; }
.advanced-calculator-container {
    max-width: 1200px; margin: 0 auto; background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: 24px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08); overflow: hidden; position: relative;
}
html.persona-aurora .advanced-calculator-container {
    background: var(--color-surface-translucent); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-translucent);
}

/* Calculator Header */
.calculator-header {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: white; padding: 3rem 2rem; text-align: center; position: relative;
}
.calculator-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.03)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.02)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.04)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>'); opacity: 0.3; }
.calculator-header-content h3 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; position: relative; }
.calculator-header-content p { font-size: 1rem; opacity: 0.9; position: relative; }

/* Step Tracker */
.step-tracker { display: flex; justify-content: center; gap: 1rem; padding: 2rem 1rem; background: rgba(0, 0, 0, 0.02); border-bottom: 1px solid var(--color-border); flex-wrap: wrap; }
.step-tracker .step {
    display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.5rem; border-radius: 50px;
    background: var(--color-surface); border: 2px solid var(--color-border); transition: all 0.3s ease;
    position: relative; white-space: nowrap; min-width: fit-content;
}
.step-tracker .step.active { background: var(--color-accent-gradient); color: white; border-color: transparent; transform: scale(1.05); box-shadow: 0 8px 25px color-mix(in srgb, var(--color-accent) 30%, transparent); }
.step-tracker .step.active .step-label { color: white; }
.step-tracker .step.completed { background: var(--color-success); color: white; border-color: transparent; }
.step-tracker .step-number { width: 28px; height: 28px; border-radius: 50%; background: var(--color-button-bg); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem; color: var(--color-text-header); transition: all 0.3s ease; }
.step-tracker .step.active .step-number, .step-tracker .step.completed .step-number { background: rgba(255, 255, 255, 0.4); color: white; }
.step-tracker .step-label { font-weight: 600; font-size: 0.95rem; color: var(--color-text-header); }
.step-tracker .step.active .step-label, .step-tracker .step.completed .step-label { color: white; }

/* Calculator Body */
.calculator-body { padding: 3rem; min-height: 500px; }
.calculator-body .step-content { display: none; animation: slideInCalculator 0.5s ease-out; }
.calculator-body .step-content.active { display: block; }

/* Form Elements */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.calculator-body .input-group { position: relative; }
.input-label { display: flex; align-items: center; font-weight: 600; color: var(--color-text-header); margin-bottom: 0.75rem; font-size: 1rem; }
.tooltip-icon { display: inline-flex; margin-left: 0.5rem; color: var(--color-text-muted); cursor: help; vertical-align: middle; transition: color 0.2s ease; }
.tooltip-icon:hover { color: var(--color-accent); }
.input-wrapper { position: relative; }
.form-input {
    width: 100%; padding: 1rem 1.25rem; border: 2px solid var(--color-border); border-radius: 12px; font-size: 1rem;
    background: var(--color-surface); color: var(--color-text-header); transition: all 0.3s ease; font-family: inherit;
}
.form-input.error { border-color: var(--color-error); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-error) 15%, transparent); }
.error-message { color: var(--color-error); font-size: var(--text-sm); margin-top: 0.5rem; }
.form-input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 15%, transparent); }
.input-prefix { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); font-weight: 600; pointer-events: none; }
.input-prefix + .form-input { padding-left: 2.5rem; }
.calculator-body .input-help { font-size: 0.875rem; color: var(--color-text-muted); margin-top: 0.5rem; }

/* Range Input */
.range-input {
    width: 100%; margin: 1rem 0; -webkit-appearance: none; appearance: none; height: 6px; border-radius: 3px;
    background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) var(--progress), var(--color-border) var(--progress), var(--color-border) 100%);
    outline: none; cursor: pointer;
}
.range-input::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--color-accent); cursor: pointer; box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 30%, transparent); transition: all 0.3s ease; }
.range-input::-webkit-slider-thumb:hover { transform: scale(1.1); box-shadow: 0 6px 20px color-mix(in srgb, var(--color-accent) 40%, transparent); }
.range-input::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--color-accent); cursor: pointer; border: none; box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 30%, transparent); }
.range-labels { display: flex; justify-content: space-between; font-size: 0.875rem; color: var(--color-text-muted); margin-top: 0.5rem; }

/* Calculator Buttons */
.control-buttons-wrapper { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.control-buttons { display: flex; gap: 1rem; margin-bottom: 1rem; justify-content: center; margin-top: 2.5rem; }
.export-actions { display: flex; justify-content: center; margin-top: 1rem; }

.calculator-body .btn {
    padding: 1rem 2rem; border: none; border-radius: 12px; font-weight: 600; font-size: 1rem; cursor: pointer;
    transition: all 0.3s ease; display: flex; align-items: center; gap: 0.5rem; font-family: inherit;
}
.btn-primary { background: var(--color-accent-gradient); color: white; flex: 1; box-shadow: 0 4px 15px color-mix(in srgb, var(--color-accent) 25%, transparent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 25px color-mix(in srgb, var(--color-accent) 35%, transparent); }
.btn-secondary { background: var(--color-button-bg); color: var(--color-text-header); border: 2px solid var(--color-border); }
.btn-secondary:hover { background: var(--color-text-muted); color: white; border-color: var(--color-text-muted); }
.btn-outline {
    background: transparent; color: var(--color-text-header); border: 2px solid var(--color-border); padding: 0.75rem 1.5rem;
    border-radius: 12px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: all 0.3s ease;
    display: flex; align-items: center; gap: 0.5rem; font-family: inherit;
}
.btn-outline:hover { background: var(--color-surface); border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 20%, transparent); }
.btn-outline svg { width: 20px; height: 20px; }

.btn.loading { position: relative; pointer-events: none; }
.btn.loading::after { content: ''; position: absolute; width: 16px; height: 16px; border: 2px solid transparent; border-top: 2px solid currentColor; border-radius: 50%; animation: spin 1s linear infinite; }

/* Results Section */
.results-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.result-card {
    background: var(--color-surface); border-radius: 16px; padding: 2rem; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border); position: relative; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.result-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12); }
.result-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--color-accent-gradient); }
.result-card.success::before { background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%); }
.result-card.warning::before { background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%); }
.result-card.danger::before { background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%); }

.copy-btn {
    position: absolute; top: 1rem; right: 1rem; width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--color-border);
    background: var(--color-surface); color: var(--color-text-muted); cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: all 0.2s ease; opacity: 0;
}
@media (pointer: coarse) { .copy-btn { opacity: 0.6 !important; } .result-card:hover .copy-btn { opacity: 1 !important; } }
@media (max-width: 768px) { .copy-btn { opacity: 0.5 !important; } }
.result-card:hover .copy-btn { opacity: 0.7; }
.copy-btn:hover { opacity: 1; background: var(--color-accent); color: white; border-color: var(--color-accent); transform: scale(1.1); }
.copy-btn.copied { opacity: 1; background: var(--color-success); color: white; border-color: var(--color-success); }
.copy-btn svg { width: 16px; height: 16px; }

.result-title { font-size: 0.875rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.5rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.result-value { font-size: 2.25rem; font-weight: 800; color: var(--color-text-header); margin-bottom: 0.5rem; line-height: 1; }
.result-subtitle { color: var(--color-text-muted); font-size: 0.9rem; padding-bottom: 0.5rem; }

/* Chart Components */
.chart-container {
    background: var(--color-surface); border-radius: 16px; padding: 2rem; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border); margin-bottom: 2rem;
}
.chart-title { font-size: 1.25rem; font-weight: 700; color: var(--color-text-header); margin-bottom: 1.5rem; }

.budget-bar {
    height: 60px; border-radius: 12px; overflow: hidden; display: flex; margin-bottom: 1rem;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}
.budget-segment {
    display: flex; align-items: center; justify-content: center; color: white; font-weight: 600; font-size: 0.9rem;
    position: relative; transition: all 0.3s ease; cursor: pointer;
}
.budget-segment:hover { filter: brightness(1.1); transform: scaleY(1.05); z-index: 1; }

.segment-income { background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%); }
.segment-fixed { background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%); }
.segment-variable { background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%); }
.segment-available { background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%); }
.segment-goal { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); }

.budget-legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.legend-item {
    display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem; background: var(--color-button-bg);
    border-radius: 8px; border: 1px solid var(--color-border); transition: all 0.2s ease;
}
.legend-item:hover { background: var(--color-accent); color: white; border-color: var(--color-accent); }
.legend-color { width: 16px; height: 16px; border-radius: 4px; flex-shrink: 0; }
.legend-label { font-weight: 600; color: var(--color-text-header); flex-grow: 1; }
.legend-item:hover .legend-label { color: white; }
.legend-value { font-weight: 700; color: var(--color-text-header); }
.legend-item:hover .legend-value { color: white; }

/* Feasibility Indicator */
.feasibility-indicator {
    text-align: center; margin: 2rem 0; padding: 2rem; background: var(--color-button-bg);
    border-radius: 20px; border: 1px solid var(--color-border);
}
.feasibility-score { font-size: 4rem; font-weight: 800; margin-bottom: 0.5rem; line-height: 1; }
.feasibility-label { font-size: 1.1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.score-excellent { color: var(--color-success); }
.score-good { color: var(--color-accent); }
.score-fair { color: var(--color-warning); }
.score-poor { color: var(--color-error); }

/* Insights Grid */
.insights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.insight-card {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; padding: 1.5rem;
    transition: all 0.3s ease; position: relative; overflow: hidden;
}
.insight-card:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1); }
.insight-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--color-accent); transform: scaleY(0); transition: transform 0.3s ease; }
.insight-card:hover::before { transform: scaleY(1); }
.insight-icon { width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; font-size: 1.5rem; background: var(--color-button-bg); border: 1px solid var(--color-border); }
.insight-title { font-weight: 700; color: var(--color-text-header); margin-bottom: 0.5rem; font-size: 1.1rem; }
.insight-text { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.5; }

.calculator-notification { border-radius: 8px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15); }

/* 9. COMPARISON SECTION */
#comparison { padding: 4rem 0; }
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 900px; margin: 0 auto; }
.comparison-column {
    background-color: var(--color-surface-translucent); backdrop-filter: blur(20px); border: 1px solid var(--color-border);
    padding: 2.5rem; border-radius: 1rem; transition: all 0.3s ease;
}
.comparison-column h3 { font-size: 1.5rem; font-weight: 600; color: var(--color-text-header); margin-bottom: 2rem; text-align: center; }
.comparison-column ul { list-style: none; display: flex; flex-direction: column; gap: 1.5rem; }
.comparison-column li { display: flex; align-items: center; gap: 1rem; font-size: 1rem; color: var(--color-text-body); }
.comparison-column li svg { width: 24px; height: 24px; flex-shrink: 0; transition: color 0.3s ease; }
.comparison-column:not(.is-fundsy) li svg { color: var(--color-text-muted); }
.comparison-column:not(.is-fundsy):hover li svg { color: var(--color-error); }
.comparison-column:not(.is-fundsy):hover li svg { color: var(--color-error); }
.comparison-column.is-fundsy { position: relative; border: 2px solid transparent; color: #ffffff; z-index: 1; }
.comparison-column.is-fundsy::before { content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0; z-index: -1; margin: -2px; border-radius: inherit; background: var(--color-accent-gradient); }
.comparison-column.is-fundsy h3, .comparison-column.is-fundsy li { color: #ffffff; }
.comparison-column.is-fundsy li svg { color: var(--color-success); }
.comparison-column.is-fundsy:hover { transform: translateY(-8px) !important; box-shadow: 0 10px 40px -10px var(--color-accent); }

/* 10. TUTORIALS, FAQ, REVIEWS */
#tutorials, #faq, #reviews, #connect { padding: 4rem 0; }

/* Tutorial Controls */
.tutorials-controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1.5rem; margin: 0 auto 2.5rem auto; }
.search-bar-wrapper { position: relative; max-width: 600px; }
#tutorial-search-input {
    width: 100%; padding: 0.85rem 3rem 0.85rem 1.5rem; border: 1px solid var(--color-border); border-radius: 99px;
    background-color: var(--color-surface-translucent); color: var(--color-text-header); font-size: 1rem; transition: all 0.2s ease;
}
#tutorial-search-input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 25%, transparent); }

.search-clear-btn {
    position: absolute; top: 50%; right: 0.5rem; transform: translateY(-50%) scale(0.8); width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center; background-color: var(--color-button-bg); border: none;
    border-radius: 50%; color: var(--color-text-muted); opacity: 0; visibility: hidden; transition: all 0.2s ease;
}
.search-clear-btn.is-visible { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
.search-clear-btn svg { width: 20px; height: 20px; }

/* Tutorial Slider */
.tutorials-slider-wrapper { max-width: calc((3 * 320px) + (2 * 2rem)); margin: 0 auto; position: relative; }
.tutorials-slider-container { overflow-x: auto; -webkit-overflow-scrolling: touch; cursor: grab; scrollbar-width: thin; scrollbar-color: var(--color-accent) transparent; padding-bottom: 1rem; }
.tutorials-slider-container::-webkit-scrollbar { height: 8px; }
.tutorials-slider-container::-webkit-scrollbar-track { background: var(--color-button-bg); border-radius: 4px; }
.tutorials-slider-container::-webkit-scrollbar-thumb { background-color: var(--color-accent); border-radius: 4px; border: 2px solid transparent; background-clip: content-box; }
.tutorials-slider-container::-webkit-scrollbar-thumb:hover { background-color: var(--color-accent-dark); }
.tutorials-slider-container.is-dragging { cursor: grabbing; user-select: none; }

.tutorials-grid {
    display: flex; gap: 2rem; width: max-content; align-items: stretch; padding-bottom: 0.5rem;
}
.tutorials-grid .no-results-message {
    grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 1.5rem; text-align: center; color: var(--color-text-body); padding: 4rem 2rem; min-height: 300px;
}
.tutorials-slider-wrapper.is-searching .tutorials-grid, .tutorials-slider-wrapper.is-grid-view .tutorials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); width: 100%; align-items: stretch; }

.tutorial-card {
    flex-shrink: 0; width: 320px; background-color: var(--color-surface-translucent); backdrop-filter: blur(14px);
    border: 1px solid var(--color-border); border-radius: 1rem; transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none; overflow: hidden; display: flex; flex-direction: column;
}
.tutorial-card:hover { transform: translateY(-8px) !important; box-shadow: 0 10px 30px -10px var(--color-shadow); }

.tutorial-thumbnail { position: relative; display: block; overflow: hidden; border-radius: 1rem 1rem 0 0; }
.tutorial-thumbnail img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.3s ease; }
.tutorial-card:hover .tutorial-thumbnail img { transform: scale(1.05); }

.play-icon {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.8); width: 72px; height: 72px;
    background-color: hsla(0, 0%, 100%, 0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: #fff; opacity: 0; transition: all 0.3s ease; backdrop-filter: blur(4px); border: 1px solid hsla(0, 0%, 100%, 0.3);
}
.play-icon svg { width: 36px; height: 36px; margin-left: 4px; }
.tutorial-card[data-video-id]:hover .play-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }

.tutorial-info { padding: 1.25rem 1.5rem; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
.tutorial-info h4 { font-size: 1.15rem; font-weight: 600; color: var(--color-text-header); margin-bottom: 0.25rem; }
.tutorial-info p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; }

.tutorial-card--placeholder {
    display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center;
    background-color: var(--color-surface-translucent); border: 2px dashed var(--color-border); color: var(--color-text-muted);
    padding: 2.5rem; cursor: default; user-select: none; box-shadow: none; opacity: 1 !important; transform: none !important;
}
.tutorial-card--placeholder:hover { transform: none !important; box-shadow: none !important; }
.placeholder-icon { width: 64px; height: 64px; margin-bottom: 1rem; color: var(--color-text-muted); opacity: 0.7; }
.tutorial-card--placeholder .tutorial-info { justify-content: center; }
.tutorial-card--placeholder h4 { color: var(--color-text-header); margin-bottom: 0.5rem; font-size: 1.25rem; }
.tutorial-card--placeholder p { font-size: 0.95rem; }

.no-results-message { grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem; text-align: center; color: var(--color-text-body); padding: 2rem 0; }
.no-results-message svg { width: 48px; height: 48px; color: var(--color-accent); opacity: 0.7; }
.no-results-message p { font-size: 1.1rem; font-weight: 500; margin: 0; color: var(--color-text-body); }
.no-results-clear-btn { margin-top: 0.5rem; }

/* FAQ Section */
#faq .section-header { margin-bottom: 2rem; }
.faq-search-wrapper { position: relative; max-width: 600px; margin: 0 auto 2rem; }
#faq-search {
    width: 100%; padding: 0.85rem 3rem 0.85rem 1.5rem; border: 1px solid var(--color-border); border-radius: 99px;
    background-color: var(--color-surface-translucent); color: var(--color-text-header); font-size: 1rem; font-family: inherit; transition: all 0.2s ease;
}
#faq-search:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 25%, transparent); }

.faq-accordion { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { background-color: var(--color-surface-translucent); border: 1px solid var(--color-border); border-radius: 1rem; transition: all 0.2s ease-in-out; }
.faq-item.active { border-color: color-mix(in srgb, var(--color-accent) 40%, transparent); }

.faq-question {
    display: flex; justify-content: space-between; align-items: center; width: 100%; text-align: left; padding: 1.5rem;
    background: none; border: none; font-size: 1.1rem; font-weight: 600; color: var(--color-text-header); transition: color 0.2s ease;
}
@media (pointer: coarse) { .faq-question { min-height: 48px; padding: 1.25rem 1.5rem; } }
.faq-item.active .faq-question { color: var(--color-accent); }

.faq-icon { width: 20px; height: 20px; color: var(--color-accent); transition: transform 0.3s ease-in-out; flex-shrink: 0; margin-left: 1rem; }
.faq-item.active .faq-icon { transform: rotate(180deg); }

.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s ease-in-out; }
.faq-answer > div { overflow: hidden; opacity: 0; transition: opacity 0.3s ease-in-out; }
.faq-answer p { padding: 0 1.5rem 1.5rem; color: var(--color-text-muted); line-height: 1.8; }
.faq-item.active .faq-answer { grid-template-rows: 1fr; }
.faq-item.active .faq-answer > div { opacity: 1; }
.faq-item.is-filtered-out { opacity: 0.4; pointer-events: none; order: 1; }
html:not(.persona-aurora) .faq-item.active { background-color: var(--color-surface); }

.share-faq-link {
    display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1rem; padding: 0.5rem 1rem;
    background: var(--color-button-bg); color: var(--color-text-muted); border: 1px solid var(--color-border);
    border-radius: 8px; font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s ease;
}
.share-faq-link:hover { background: var(--color-accent); color: white; border-color: var(--color-accent); transform: translateY(-2px); }
.share-faq-link.success { background: var(--color-success); color: white; border-color: var(--color-success); }
.share-faq-link svg { width: 16px; height: 16px; }

/* Reviews Section */
.reviews-grid-container { position: relative; max-width: 1200px; margin: 0 auto; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.review-card {
    padding: 2rem; text-align: center; background-color: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: 1rem; box-shadow: 0 8px 25px -10px var(--color-shadow); transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.review-card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px -10px var(--color-shadow); }
html.persona-aurora .review-card { background-color: var(--color-surface-translucent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--color-border-translucent); }

.review-card.is-loading { background-color: var(--color-surface-translucent); min-height: 250px; opacity: 1 !important; transform: none !important; box-shadow: none !important; }
.review-card.is-loading .review-stars, .review-card.is-loading .review-text, .review-card.is-loading .review-author { background: #f6f7f8; background-image: linear-gradient(to right, #f6f7f8 0%, #edeef1 20%, #f6f7f8 40%, #f6f7f8 100%); background-repeat: no-repeat; background-size: 800px 104px; animation: shimmer 1.5s infinite linear; color: transparent !important; border-radius: 4px; }
html.dark .review-card.is-loading .review-stars, html.dark .review-card.is-loading .review-text, html.dark .review-card.is-loading .review-author { background-image: linear-gradient(to right, #1e1e1e 0%, #333 20%, #1e1e1e 40%, #1e1e1e 100%); }
.review-card.is-loading .review-stars { width: 120px; height: 20px; margin: 0 auto 1rem; }
.review-card.is-loading .review-text { height: 72px; width: 100%; margin-bottom: 1.5rem; }
.review-card.is-loading .review-author { height: 40px; width: 80%; margin: 0 auto; }

.review-stars { display: flex; justify-content: center; gap: 0.25rem; color: #FFC107; margin-bottom: 1rem; }
.review-stars svg { width: 20px; height: 20px; }
.review-text { font-style: italic; color: var(--color-text-body); margin-bottom: 1.5rem; }
.review-author { font-size: 1rem; font-weight: 600; color: var(--color-text-header); }
.review-author-role { display: block; font-weight: 400; font-size: 0.9rem; color: var(--color-text-muted); margin-top: 0.25rem; }

/* 11. COOKIE NOTICE */
.cookie-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px); z-index: 10001; display: flex; align-items: center; justify-content: center;
    padding: 1rem; opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.cookie-overlay.active { opacity: 1; visibility: visible; z-index: 999; }

.cookie-notice {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 24px;
    box-shadow: 0 25px 50px -12px var(--color-shadow); max-width: 480px; width: 100%; overflow: hidden;
    transform: scale(0.9) translateY(20px); transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.cookie-overlay.active .cookie-notice { transform: scale(1) translateY(0); }

.cookie-pages { position: relative; overflow: hidden; }
.cookie-page {
    position: absolute; top: 0; left: 0; width: 100%; opacity: 0; transform: translateX(100%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1); pointer-events: none;
}
.cookie-page.active { position: relative; opacity: 1; transform: translateX(0); pointer-events: auto; }
.cookie-page.sliding-out { opacity: 0; transform: translateX(-100%); }
.cookie-page.sliding-in-from-right { transform: translateX(100%); }
.cookie-page.sliding-in-from-left { transform: translateX(-100%); }

.cookie-header { padding: 2rem 2rem 1rem; text-align: center; position: relative; }
.cookie-icon {
    width: 64px; height: 64px; margin: 0 auto 1.5rem; background: var(--color-accent-gradient); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: white; font-size: 2rem; animation: cookieBounce 2s infinite;
}
.cookie-title { font-size: 1.5rem; font-weight: 700; color: var(--color-text-header); margin-bottom: 0.5rem; }
.cookie-subtitle { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.6; }

.cookie-body { padding: 0 2rem 2rem; }
.cookie-categories { margin: 2rem 0; }

.category-item {
    background: var(--color-button-bg); border: 1px solid var(--color-border); border-radius: 12px;
    margin-bottom: 1rem; overflow: hidden; transition: all 0.3s ease;
}
.category-item:hover { border-color: var(--color-accent); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); }

.category-header {
    display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem;
    cursor: pointer; user-select: none;
}
.category-info { display: flex; align-items: center; gap: 0.75rem; }
.category-icon { width: 20px; height: 20px; color: var(--color-accent); }
.category-name { font-weight: 600; color: var(--color-text-header); font-size: 0.95rem; }
.category-required { background: var(--color-success); color: white; font-size: 0.7rem; font-weight: 600; padding: 2px 6px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

.cookie-toggle {
    position: relative; width: 48px; height: 28px; background: var(--color-button-bg); border-radius: 14px;
    transition: all 0.3s ease; cursor: pointer; border: 1px solid var(--color-border); flex-shrink: 0;
}
.cookie-toggle.active { background: var(--color-accent); border-color: var(--color-accent); }
.cookie-toggle::after {
    content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; background: white;
    border-radius: 50%; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.cookie-toggle.active::after { transform: translateX(20px); }
.cookie-toggle.disabled { opacity: 0.6; cursor: not-allowed; }

.category-details { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.category-item.expanded .category-details { max-height: 200px; }
.category-description { padding: 0 1.25rem 1rem; color: var(--color-text-muted); font-size: 0.85rem; line-height: 1.6; border-top: 1px solid var(--color-border); padding-top: 1rem; margin-top: 0.5rem; }

.cookie-actions { display: flex; gap: 0.75rem; margin-top: 2rem; }
.cookie-body .btn {
    flex: 1; padding: 0.875rem 1.5rem; border: none; border-radius: 12px; font-weight: 600; font-size: 0.95rem;
    cursor: pointer; transition: all 0.3s ease; font-family: inherit; position: relative; overflow: hidden;
}
.cookie-body .btn-primary { background: var(--color-accent-gradient); color: white; box-shadow: 0 4px 15px rgba(41, 121, 255, 0.3); }
.cookie-body .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(41, 121, 255, 0.4); }
.cookie-body .btn-secondary { background: var(--color-button-bg); color: var(--color-button-text); border: 1px solid var(--color-border); }
.cookie-body .btn-secondary:hover { background: var(--color-text-muted); color: white; border-color: var(--color-text-muted); }
.cookie-body .btn-minimal { background: transparent; color: var(--color-text-muted); border: 1px solid transparent; }
.cookie-body .btn-minimal:hover { color: var(--color-accent); background: rgba(41, 121, 255, 0.1); }

.settings-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--color-border); }
.back-button { background: var(--color-button-bg); border: 1px solid var(--color-border); border-radius: 8px; padding: 0.5rem; cursor: pointer; color: var(--color-text-muted); transition: all 0.2s ease; }
.back-button:hover { background: var(--color-accent); color: white; border-color: var(--color-accent); }
.settings-title { font-weight: 700; color: var(--color-text-header); font-size: 1.1rem; }

.privacy-links { display: flex; gap: 1rem; justify-content: center; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.privacy-link { color: var(--color-accent); text-decoration: none; font-size: 0.85rem; font-weight: 500; transition: all 0.2s ease; }
.privacy-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.cookie-notification { font-family: 'Poppins', sans-serif; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15); }
.cookie-notification.success { background: #10b981; }
.cookie-status.visible { opacity: 1; transform: translateY(0); }
.status-title { font-weight: 600; color: var(--color-text-header); margin-bottom: 0.5rem; }
.status-details { font-size: 0.85rem; color: var(--color-text-muted); }

.cookie-body .btn.loading { pointer-events: none; opacity: 0.7; }
.cookie-body .btn.loading::after {
    content: ''; position: absolute; width: 16px; height: 16px; top: 50%; left: 50%; margin-left: -8px; margin-top: -8px;
    border: 2px solid transparent; border-top: 2px solid currentColor; border-radius: 50%; animation: spin 1s linear infinite;
}

/* 12. FOOTER */
footer { padding: 4rem 0 2rem 0; margin-top: 2rem; border-top: 1px solid var(--color-border); }
.footer-panel {
    display: flex; flex-direction: column; align-items: center; gap: 1.5rem; padding: 2rem 2.5rem; border-radius: 2rem;
    background-color: var(--color-surface-translucent); backdrop-filter: blur(16px); box-shadow: 0 4px 20px -5px var(--color-shadow);
    border: 1px solid var(--color-border-translucent);
}
.footer-socials { text-align: center; }
.footer-socials p { font-size: 1rem; font-weight: 600; color: var(--color-text-header); margin-bottom: 0.75rem; }
.social-icons { display: flex; justify-content: center; gap: 1.75rem; }
.social-icons a { color: var(--color-text-muted); transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.social-icons a:hover { color: var(--color-accent); transform: translateY(-5px) scale(1.1); }
.social-icons svg { width: 24px; height: 24px; }

.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; justify-content: center; font-size: 0.9rem; }
.footer-links a { color: var(--color-text-muted); text-decoration: none; transition: color 0.2s ease; cursor: pointer; }
.footer-links a:hover { color: var(--color-accent); text-decoration: underline; text-underline-offset: 4px; }
.footer-links span { color: var(--color-text-muted); opacity: 0.5; }
.footer-links .copyright-text { opacity: 1; }

/* 13. MODAL COMPONENTS */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(10, 10, 20, 0.8); backdrop-filter: blur(10px);
    display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000; padding: 1rem;
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-close-btn {
    position: absolute; top: 0.75rem; right: 0.75rem; background: transparent; border: 0; color: var(--color-text-muted);
    font-size: 1.75rem; line-height: 1; padding: 0.5rem; border-radius: 50%; transition: all 0.2s ease; z-index: 10;
}
.modal-close-btn:hover { color: var(--color-text-header); background-color: var(--color-button-bg); }

#modal-box, #coming-soon-modal-box {
    position: relative; background: var(--color-surface); color: var(--color-text-body); padding: 2.5rem; border-radius: 1rem;
    max-width: 450px; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
    transform: scale(0.95); transition: all 0.3s ease;
}
.modal-overlay.active #modal-box, .modal-overlay.active #coming-soon-modal-box { transform: scale(1); }

#coming-soon-modal-box .waitlist-form { display: flex; margin-top: 1.5rem; }
#coming-soon-modal-box .waitlist-input {
    width: 100%; flex-grow: 1; padding: 0.85rem 1rem; border: 1px solid var(--color-border); border-radius: 99px 0 0 99px;
    background-color: var(--color-button-bg); color: var(--color-text-header); font-size: 1rem; font-family: inherit;
    transition: all 0.2s ease; border-right: none;
}
#coming-soon-modal-box .waitlist-input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 25%, transparent); position: relative; z-index: 2; }
#coming-soon-modal-box .waitlist-submit { margin-top: 0; padding-block: 0.85rem; padding-inline: 0.85rem; border-radius: 0 99px 99px 0; flex-shrink: 0; }

#modal-box.policy-style, #modal-box.changelog-style {
    max-width: 900px; max-height: 85vh; overflow-y: auto; text-align: left; padding: 2.5rem 3rem;
    scrollbar-width: thin; scrollbar-color: var(--color-text-muted) transparent;
}
#modal-box.policy-style::-webkit-scrollbar, #modal-box.changelog-style::-webkit-scrollbar { width: 10px; }
#modal-box.policy-style::-webkit-scrollbar-track, #modal-box.changelog-style::-webkit-scrollbar-track { background: transparent; }
#modal-box.policy-style::-webkit-scrollbar-thumb, #modal-box.changelog-style::-webkit-scrollbar-thumb { background-color: var(--color-text-muted); border-radius: 20px; border: 3px solid var(--color-surface); }
#modal-box.policy-style h2, #modal-box.changelog-style h2 { font-size: 2rem; margin-bottom: 0.25rem; color: var(--color-text-header); text-align: center; }
#modal-box.policy-style h3, #modal-box.changelog-style h3 { font-size: 1.25rem; font-weight: 700; margin-top: 2rem; margin-bottom: 0.75rem; color: var(--color-text-header); padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border); }
#modal-box.changelog-style .changelog-entry { margin-bottom: 1.5rem; }
#modal-box.changelog-style .changelog-entry h4 { font-size: 1.1rem; color: var(--color-text-header); margin-bottom: 0.5rem; }
#modal-box.changelog-style .changelog-entry ul { list-style-type: disc; padding-left: 20px; color: var(--color-text-body); }
#modal-box.changelog-style .changelog-entry li { margin-bottom: 0.25rem; }

#image-modal-box {
    position: relative; max-width: 400px; max-height: 90vh; transform: scale(0.95); transition: transform 0.3s ease-out;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); border-radius: 16px; overflow: hidden;
}
.modal-overlay.active #image-modal-box { transform: scale(1); }
#modal-image { display: block; width: 100%; height: auto; object-fit: contain; }
.image-modal-close-btn { position: absolute; top: 10px; right: 10px; width: 36px; height: 36px; background: rgba(10, 10, 10, 0.6); border: none; border-radius: 50%; color: #fff; font-size: 20px; line-height: 36px; text-align: center; transition: background 0.2s ease, transform 0.2s ease; z-index: 10; }

#video-modal-box { position: relative; width: 90%; max-width: 960px; transform: scale(0.95); transition: all 0.3s ease-out; background-color: #000; border-radius: 8px; overflow: hidden; }
.modal-overlay.active #video-modal-box { transform: scale(1); }
.video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; }
.video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.video-modal-close-btn { position: absolute; top: -40px; right: 0; width: 36px; height: 36px; background: transparent; border: none; color: #fff; font-size: 30px; line-height: 36px; text-align: center; z-index: 10; }

/* Skeleton Loader */
.skeleton-loader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: var(--color-bg); z-index: 99999;
    padding: 2rem; opacity: 1; visibility: visible; transition: opacity 0.6s ease, visibility 0.6s ease;
}
.skeleton-loader.loaded { opacity: 0; visibility: hidden; }

.skeleton-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4rem; max-width: 1200px; margin-left: auto; margin-right: auto; }
.skeleton-logo { width: 120px; height: 32px; border-radius: 8px; }
.skeleton-nav { display: flex; gap: 2rem; }
.skeleton-nav-item { width: 80px; height: 20px; border-radius: 4px; }

.skeleton-hero { max-width: 800px; margin: 0 auto; text-align: center; margin-bottom: 4rem; }
.skeleton-title { height: 64px; border-radius: 8px; margin-bottom: 1rem; }
.skeleton-title.short { width: 70%; margin-left: auto; margin-right: auto; }
.skeleton-text { height: 20px; border-radius: 4px; margin-bottom: 1rem; }
.skeleton-text:last-of-type { width: 80%; margin-left: auto; margin-right: auto; margin-bottom: 3rem; }

.skeleton-buttons { display: flex; gap: 1rem; justify-content: center; }
.skeleton-button { width: 160px; height: 48px; border-radius: 24px; }
.skeleton-button.secondary { width: 140px; }

.skeleton-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; max-width: 1200px; margin: 0 auto 4rem; }
.skeleton-stat-card { padding: 1.5rem; border-radius: 12px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); }
.skeleton-stat-value { width: 80px; height: 32px; border-radius: 6px; margin-bottom: 0.5rem; }
.skeleton-stat-label { width: 120px; height: 16px; border-radius: 4px; margin-bottom: 0.5rem; }
.skeleton-stat-change { width: 60px; height: 14px; border-radius: 4px; }

.skeleton-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; max-width: 1200px; margin: 0 auto; }
.skeleton-feature-card { padding: 2rem; border-radius: 16px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); }
.skeleton-feature-icon { width: 48px; height: 48px; border-radius: 12px; margin-bottom: 1rem; }
.skeleton-feature-title { width: 150px; height: 24px; border-radius: 6px; margin-bottom: 1rem; }
.skeleton-feature-desc { height: 16px; border-radius: 4px; margin-bottom: 0.5rem; }
.skeleton-feature-desc:nth-child(4) { width: 90%; }
.skeleton-feature-desc:nth-child(5) { width: 70%; }

/* Skeleton Animations - Light Mode */
.skeleton-logo, .skeleton-nav-item, .skeleton-title, .skeleton-text, .skeleton-button, .skeleton-stat-value, .skeleton-stat-label, .skeleton-stat-change, .skeleton-feature-icon, .skeleton-feature-title, .skeleton-feature-desc {
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite;
}

/* Skeleton Animations - Dark Mode */
html.dark .skeleton-logo, html.dark .skeleton-nav-item, html.dark .skeleton-title, html.dark .skeleton-text, html.dark .skeleton-button, html.dark .skeleton-stat-value, html.dark .skeleton-stat-label, html.dark .skeleton-stat-change, html.dark .skeleton-feature-icon, html.dark .skeleton-feature-title, html.dark .skeleton-feature-desc {
    background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite;
}

/* Hide content during skeleton */
html.skeleton-loading main, html.skeleton-loading header, html.skeleton-loading footer { opacity: 0; }

/* 14. KEYFRAMES & ANIMATIONS */
@keyframes fadeInUp { from { opacity: 0; transform: translate3d(0, 30px, 0); } to { opacity: 1; transform: translate3d(0, 0, 0); } }
@keyframes slideInFromRight { from { opacity: 0; transform: translate3d(50px, 0, 0); } to { opacity: 1; transform: translate3d(0, 0, 0); } }
@keyframes pop-in { 0% { transform: scale(0.5); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.05); opacity: 0.85; } }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes slideInCalculator { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cookieBounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-10px); } 60% { transform: translateY(-5px); } }
@keyframes highlightFaq { 0%, 100% { background-color: transparent; } 20%, 80% { background-color: color-mix(in srgb, var(--color-accent) 10%, transparent); } }

/* Aurora Blob Animations */
@keyframes moveBlob1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(10vw, -15vh) scale(1.1); } }
@keyframes moveBlob2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-15vw, 10vh) scale(0.9); } }
@keyframes moveBlob3 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(5vw, 15vh) scale(1.2); } }

/* 15. PERFORMANCE & ACCESSIBILITY */
/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::after, *::before {
        animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .hero-line > span, .hero-fade { transform: none !important; opacity: 1 !important; }
}

/* Performance Mode */
html.performance-mode .glass-effect { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--color-surface); border: 1px solid var(--color-border); }
html.performance-mode .animate-element { will-change: auto; transform: none; }
html.performance-mode #background-effects, html.performance-mode #particle-canvas, html.performance-mode #aurora-background { display: none !important; }
html.performance-mode .mobile-nav-panel { background-color: var(--color-bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
html.performance-mode .feature-item:hover, html.performance-mode .link-item:hover, html.performance-mode .carousel-btn-3d:hover { transform: none !important; box-shadow: none !important; }
html.performance-mode .feature-icon { transform: none !important; }
html.performance-mode * { animation: none !important; transition: none !important; }
html.performance-mode .hero-line > span, html.performance-mode .hero-fade, html.performance-mode .feature-item, html.performance-mode .comparison-column { opacity: 1 !important; transform: none !important; }

/* Cursor Styles */
html.performance-mode body { cursor: default; }
html.performance-mode a, html.performance-mode button, html.performance-mode [data-modal-target], html.performance-mode .persona-btn, html.performance-mode .carousel-slide-3d:not(.is-active), html.performance-mode .carousel-dot-3d, html.performance-mode .faq-question, html.performance-mode .mobile-action-button { cursor: pointer; }
html.performance-mode input[type="text"], html.performance-mode input[type="number"], html.performance-mode input[type="search"], html.performance-mode input[type="email"], html.performance-mode textarea { cursor: text; }

/* 16. RESPONSIVE DESIGN */
@media (max-width: 1050px) {
    .header-nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .header-left { gap: 1rem; }
    .header-right { gap: 0.5rem; }
    .header-right .persona-switcher, .header-right #performance-toggle, .header-right #theme-toggle { display: none; }
    .header-panel { padding-left: 1rem; padding-right: 1rem; gap: 0.5rem; }
}

@media (max-width: 900px) {
    .calculator-wrapper { grid-template-columns: 1fr; padding: 0; background: none; backdrop-filter: none; border: none; }
    .calculator-inputs { padding: 2rem; }
    .glossy-panel { padding: 2rem; }
}

@media (max-width: 768px) {
    .comparison-grid { grid-template-columns: 1fr; }
    .back-to-top { left: 50%; right: auto; bottom: 1.5rem; transform: translate(-50%, 0) scale(0.9); opacity: 0; visibility: hidden; }
    .back-to-top.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0) scale(1); }
    .back-to-top:hover { transform: translate(-50%, 0) scale(1.05); }
    .mobile-action-button { min-height: 44px; padding: 1rem; }
    .faq-question { min-height: 44px; }
    .cookie-toggle { width: 50px; height: 28px; }
    .control-buttons { flex-direction: column; }
    .control-buttons .btn, .export-actions .btn { width: 100%; justify-content: center; }
    .form-input { font-size: 16px; padding: 1rem; }
    .calculator-body { padding: 2rem 1.5rem; }
    .form-grid { grid-template-columns: 1fr; }
    .results-container { grid-template-columns: 1fr; }
    .step-tracker { display: flex; justify-content: space-between; padding: 1rem 0.5rem; gap: 0.5rem; }
    .step-tracker .step { padding: 0.5rem; min-width: auto; }
    .step-tracker .step-label { display: none; }
    .step-tracker .step-number::after { content: attr(data-step-name); position: absolute; top: 100%; font-size: 0.7rem; white-space: nowrap; }
    .calculator-header { padding: 2rem 1.5rem; }
    .feasibility-score { font-size: 3rem; }
}

@media (max-width: 640px) {
    .carousel-wrapper-3d { max-width: 100%; }
    .cookie-notice { max-width: 95vw; border-radius: 16px; }
    .cookie-header { padding: 1.5rem 1.5rem 1rem; }
    .cookie-body { padding: 0 1.5rem 1.5rem; }
    .cookie-actions { flex-direction: column; }
    .cookie-status { left: 1rem; right: 1rem; max-width: none; }
}

@media (max-width: 500px) {
    .comparison-column { padding: 1.5rem; }
    .footer-panel { padding: 1.5rem; }
    .carousel-wrapper-3d { height: 500px; }
    .carousel-slide-3d { width: min(90vw, 280px); left: 50%; }
    .tutorials-slider-wrapper { max-width: 100%; }
    .tutorials-slider-container { padding-left: 1.5rem; padding-right: 1.5rem; }
    .header-panel { padding-left: 1rem; padding-right: 1rem; gap: 0.5rem; }
    .calculator-inputs, .glossy-panel { padding: 1.5rem; }
}

@media (max-width: 375px) {
    .features-grid, .reviews-grid, .tutorials-slider-wrapper.is-grid-view .tutorials-grid { grid-template-columns: 1fr; }
    .calculator-inputs, .glossy-panel, .comparison-column, .footer-panel { padding-left: 1rem; padding-right: 1rem; }
}