/* ==========================================================================
   MuliaTech.com Design System & Stylesheet (Obsidian & Neon Cyan Theme)
   ========================================================================== */

/* Font Imports */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* CSS Variables & Tokens */
:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-primary: hsl(224, 71%, 4%); /* Deep Obsidian Space Blue */
    --bg-secondary: hsl(222, 47%, 7%);
    --bg-card: rgba(15, 23, 42, 0.6); /* Translucent navy-slate */
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --bg-terminal: hsl(222, 47%, 3%);
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 25%, 72%);
    --border-color: rgba(6, 182, 212, 0.1); /* Cyan outline tint */
    --border-hover: rgba(6, 182, 212, 0.5); /* Glowing Cyan border */
    
    /* Accent Colors */
    --accent-primary: hsl(187, 92%, 46%); /* Neon Cyan */
    --accent-secondary: hsl(217, 91%, 60%); /* Sapphire Blue */
    --accent-primary-glow: rgba(6, 182, 212, 0.12);
    --accent-success: hsl(142, 70%, 45%); /* Emerald Green */
    --accent-success-glow: rgba(16, 185, 129, 0.12);
    
    /* Gradient Accents */
    --gradient-brand: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
    
    /* Layout Tokens */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.2);
    
    /* Fonts */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-code: 'Space Mono', monospace;

    /* Header & Footer Theming Variables */
    --bg-header: rgba(3, 7, 18, 0.45);
    --bg-header-scrolled: rgba(3, 7, 18, 0.85);
    --bg-footer: rgba(3, 7, 18, 0.65);
}

/* Light Mode Overrides */
[data-theme="light"] {
    --bg-primary: hsl(210, 40%, 96%);
    --bg-secondary: hsl(210, 40%, 98%);
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-terminal: hsl(222, 20%, 95%);
    --text-primary: hsl(224, 71%, 4%);
    --text-secondary: hsl(215, 20%, 40%);
    --border-color: rgba(6, 182, 212, 0.15);
    --border-hover: rgba(6, 182, 212, 0.6);
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --accent-primary-glow: rgba(6, 182, 212, 0.08);

    /* Highly Legible Accent Colors for Light BG Contrast */
    --accent-primary: hsl(187, 100%, 28%); /* High-contrast Dark Teal */
    --accent-secondary: hsl(221, 83%, 45%); /* High-contrast Sapphire Blue */
    
    /* Header & Footer Light Theming Overrides */
    --bg-header: rgba(240, 242, 245, 0.55);
    --bg-header-scrolled: rgba(255, 255, 255, 0.9);
    --bg-footer: rgba(240, 242, 245, 0.85);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.03em;
}

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

button, input, textarea {
    font-family: inherit;
    outline: none;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow), var(--shadow-premium);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-header);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    background: var(--bg-header-scrolled);
    box-shadow: var(--shadow-premium);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-symbol {
    color: var(--accent-primary);
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-link-item a {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.nav-link-item a:hover {
    color: var(--accent-primary);
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 9px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

/* Theme Switcher Dropdown Styles */
.theme-switcher {
    position: relative;
    display: inline-block;
}

.theme-switcher .icon-theme-light,
.theme-switcher .icon-theme-dark,
.theme-switcher .icon-theme-system {
    display: none;
}

/* Show active theme icon on header toggle button */
body[data-theme-mode="light"] .icon-theme-light { display: block; }
body[data-theme-mode="dark"] .icon-theme-dark { display: block; }
body[data-theme-mode="system"] .icon-theme-system { display: block; }

.theme-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 120px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px;
    box-shadow: var(--shadow-premium);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    z-index: 1100;
}

[data-theme="light"] .theme-dropdown {
    background: var(--bg-card);
}

.theme-dropdown.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.theme-dropdown-item {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-smooth);
}

.theme-dropdown-item:hover {
    background: var(--accent-primary-glow);
    color: var(--text-primary);
}

.theme-dropdown-item svg {
    flex-shrink: 0;
    color: var(--text-secondary);
}

.theme-dropdown-item:hover svg {
    color: var(--accent-primary);
}

/* ==========================================================================
   Hero Section & System Dashboard Widget
   ========================================================================== */
.hero {
    padding: 180px 0 110px 0;
    min-height: 95vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: radial-gradient(circle at 80% 30%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-badge {
    align-self: flex-start;
    background: var(--accent-primary-glow);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--accent-primary);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.hero-title {
    font-size: 3.75rem;
    line-height: 1.15;
    font-weight: 800;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #ffffff;
    padding: 15px 30px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: 0 4px 18px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.45);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    padding: 15px 30px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--accent-primary-glow);
}

/* SaaS Grid Monitor Panel Widget (Unique from personal CLI Terminal) */
.monitor-widget {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 340px;
}

[data-theme="light"] .monitor-widget {
    background: #111827; /* Keep the widget dark & cool in light theme */
    color: #e2e8f0;
}

.monitor-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.monitor-status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-success);
    animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.monitor-title {
    color: var(--accent-primary);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.monitor-panel {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    justify-content: space-between;
}

.monitor-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    padding-bottom: 10px;
}

.monitor-label {
    font-size: 0.85rem;
    color: #94a3b8;
}

.monitor-value {
    font-family: var(--font-code);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.monitor-progress-bar {
    width: 100px;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.monitor-progress-fill {
    height: 100%;
    background: var(--gradient-brand);
    width: 0%;
    transition: width 2s ease-in-out;
}

.monitor-activity-log {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-sm);
    padding: 12px;
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: #a7f3d0;
    min-height: 90px;
    overflow-y: hidden;
}

/* ==========================================================================
   Product / SaaS Sections
   ========================================================================== */
.section {
    padding: 110px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.section-badge {
    background: var(--accent-primary-glow);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 50px;
    letter-spacing: 0.08em;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
}

/* SaaS Grid Showcase */
.saas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.saas-card {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 480px;
}

.saas-top {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.saas-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    background: var(--accent-primary-glow);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border: 1px solid rgba(6, 182, 212, 0.15);
}

.saas-title-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.saas-title-group h3 {
    font-size: 1.85rem;
}

.saas-badge {
    background: var(--accent-success-glow);
    color: #34d399;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
}

.saas-desc {
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.saas-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 10px 0;
}

.saas-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.saas-feature-icon {
    color: var(--accent-success);
    flex-shrink: 0;
}

.saas-bottom {
    margin-top: 32px;
}

.saas-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 15px 0;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.saas-btn:hover {
    border-color: var(--accent-primary);
    background: var(--gradient-brand);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   CodeCanyon & Mobile App Showcase
   ========================================================================== */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.showcase-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 300px;
}

.showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 24px;
}

.showcase-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    background: var(--accent-primary-glow);
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.showcase-badge-commercial {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 50px;
    text-transform: uppercase;
}

.showcase-body h3 {
    font-size: 1.35rem;
    margin-bottom: 10px;
}

.showcase-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.showcase-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.showcase-link i {
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.showcase-card:hover .showcase-link i {
    transform: translateX(4px);
}

.showcase-link:hover {
    color: var(--accent-primary);
}

/* ==========================================================================
   GitHub Open Source Grid
   ========================================================================== */
.github-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.github-card {
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}

.github-top {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.github-title-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
}

.github-title-bar i {
    color: var(--accent-primary);
    font-size: 1.25rem;
}

.github-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.github-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.github-stats {
    display: flex;
    gap: 16px;
}

.github-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.github-stat i {
    font-size: 0.9rem;
}

.github-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    color: var(--text-primary);
}

.github-btn:hover {
    color: var(--accent-primary);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
    position: relative;
    padding: 110px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.11fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 800;
}

.contact-text {
    color: var(--text-secondary);
}

.contact-socials {
    display: flex;
    gap: 16px;
    list-style: none;
    margin-top: 10px;
}

.contact-social-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.contact-social-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: var(--accent-primary-glow);
    transform: translateY(-4px);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

/* Contact Form Input Styling */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 40px;
}

.form-group {
    position: relative;
    width: 100%;
}

.form-input {
    width: 100%;
    padding: 16px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-color: var(--accent-primary);
    background: rgba(6, 182, 212, 0.01);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.1);
}

/* Floating Label Logic */
.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group textarea ~ label {
    top: 24px;
    transform: none;
}

.form-input:focus ~ label,
.form-input:not(:placeholder-shown) ~ label {
    top: 0;
    left: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    transform: translateY(-50%);
}

.form-submit-btn {
    background: var(--gradient-brand);
    color: #ffffff;
    border: none;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.form-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.45);
}

/* Spinner Styles */
.btn-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s ease-in-out infinite;
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    background: var(--bg-footer);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 16px;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-desc {
        margin: 0 auto;
    }
    
    .saas-grid {
        grid-template-columns: 1fr;
    }
    
    .github-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.85rem;
    }
    
    .nav-links {
        display: none; /* Mobile menu toggler will handle this */
    }
    
    .header-container {
        padding: 0 16px;
    }
    
    .section-title {
        font-size: 1.95rem;
    }
    
    .saas-card {
        padding: 28px;
        min-height: auto;
    }
}

/* ==========================================================================
   Core Web Vitals & Rendering Performance Optimizations
   ========================================================================== */
#envato,
#open-source,
#contact {
    content-visibility: auto;
    contain-intrinsic-size: 0 800px;
}

/* ==========================================================================
   Scroll to Top Floating Button with Circular Progress
   ========================================================================== */
.scroll-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: rgba(15, 23, 42, 0.95);
    color: var(--accent-primary);
    box-shadow: 0 15px 35px var(--accent-primary-glow);
}

.progress-ring {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotate(-90deg); /* Start circular progress at top */
}

.progress-ring__circle {
    transition: stroke-dashoffset 0.05s linear;
}

.scroll-arrow {
    font-size: 1.15rem;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 2;
}

.scroll-to-top:hover .scroll-arrow {
    transform: translateY(-3px);
}