/* ==========================================================================
   Pastor's Sermon Pro Premium CSS Stylesheet
   Created with custom variables for seamless Dark / Light theme transition.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Color Theme Variables */
:root {
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Default Dark Theme Colors */
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-secondary-rgb: 17, 24, 39;
    --bg-card: rgba(31, 41, 55, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-primary: #007acc; /* Sermon Pro Blue */
    --accent-hover: #009cff;
    --accent-rgb: 0, 122, 204;
    --accent-glow: rgba(0, 122, 204, 0.35);
    
    --ai-accent: #8a2be2; /* AI Purple */
    --ai-glow: rgba(138, 43, 226, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* Light Theme Variables */
:root.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-card: rgba(241, 245, 249, 0.7);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.15);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --accent-primary: #007acc;
    --accent-hover: #005f9e;
    --accent-glow: rgba(0, 122, 204, 0.15);
    
    --ai-accent: #7928ca;
    --ai-glow: rgba(121, 40, 202, 0.12);

    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
}

/* ==========================================================================
   Base reset & layout
   ========================================================================== */
* {
    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;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Decorative Background Glows (Dark mode ambient gradients) */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.08) 0%, rgba(0,0,0,0) 70%);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.3s;
}

.light-theme .bg-glow {
    opacity: 0.3; /* Soften glows in light theme */
}

/* ==========================================================================
   Navigation Bar (Glassmorphic)
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: all 0.3s ease;
    background: rgba(var(--bg-secondary-rgb), 0.2);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(var(--bg-secondary-rgb), 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.nav-brand img {
    height: 35px;
    width: auto;
    border-radius: 6px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width 0.25s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.version-badge {
    background: rgba(var(--accent-rgb), 0.15);
    color: var(--accent-primary);
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Theme Toggle Switch */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

.theme-switch {
    display: inline-block;
    height: 26px;
    position: relative;
    width: 50px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #374151;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

.light-theme .slider {
    background-color: #cbd5e1;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.slider::before {
    background-color: #ffffff;
    bottom: 3px;
    content: "";
    height: 20px;
    left: 3px;
    position: absolute;
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 20px;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 2px 5px rgba(0,0,0,0.25);
}

input:checked + .slider::before {
    transform: translateX(24px);
    background-color: #0b0f19;
}

.slider .icon-sun,
.slider .icon-moon {
    font-size: 11px;
    user-select: none;
    z-index: 1;
}
.slider .icon-sun { color: #f59e0b; margin-left: 2px; }
.slider .icon-moon { color: #818cf8; margin-right: 3px; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding-top: 160px;
    padding-bottom: 80px;
    text-align: center;
    overflow: hidden;
}

.hero-tagline {
    background: rgba(var(--accent-rgb), 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.8s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
    font-weight: 800;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.gradient-text {
    background-image: linear-gradient(135deg, var(--accent-primary) 0%, #00d2ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 2.5rem auto;
    animation: slideUp2 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    animation: slideUp3 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    border: 1px solid var(--accent-primary);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.5);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* Floating App Mockup */
.mockup-container {
    max-width: 1000px;
    margin: 0 auto;
    perspective: 1000px;
    animation: scaleIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
    transform: scale(0.95);
}

.app-mockup {
    background-color: #2d2d2d;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg), 0 0 80px rgba(var(--accent-rgb), 0.15);
    overflow: hidden;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

.mockup-titlebar {
    background-color: #1e1e1e;
    height: 38px;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.3);
    position: relative;
}

.mockup-controls {
    display: flex;
    gap: 6px;
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.mockup-dot.red { background-color: #ff5f56; }
.mockup-dot.yellow { background-color: #ffbd2e; }
.mockup-dot.green { background-color: #27c93f; }

.mockup-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: #888;
    font-weight: 500;
}

.app-mockup img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ==========================================================================
   Co-Branding Sponsored Card (614 Ministries)
   ========================================================================== */
.sponsorship-bar {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: rgba(var(--bg-secondary-rgb), 0.4);
    text-align: center;
}

.sponsorship-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.sponsorship-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.sponsor-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 700;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.sponsor-logo:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px var(--accent-glow);
    transform: translateY(-1px);
}

.sponsor-logo .cross-icon {
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.1rem;
}

/* ==========================================================================
   Features Grid Section
   ========================================================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4.5rem auto;
}

.section-label {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: block;
}

.section h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
    margin-bottom: 1.25rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.ai-card::before {
    background: var(--ai-accent);
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.75rem;
    background: rgba(var(--accent-rgb), 0.08);
    color: var(--accent-primary);
    border: 1px solid rgba(var(--accent-rgb), 0.12);
}

.feature-card.ai-card .feature-icon-wrapper {
    background: rgba(138, 43, 226, 0.08);
    color: var(--ai-accent);
    border-color: rgba(138, 43, 226, 0.12);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.1);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.feature-bullets {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
}

.feature-bullets li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-bullets li::before {
    content: '✓';
    color: var(--accent-primary);
    font-weight: bold;
}

.feature-card.ai-card .feature-bullets li::before {
    color: var(--ai-accent);
}

/* ==========================================================================
   Interactive Showcase Section
   ========================================================================== */
.showcase-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 3rem;
    align-items: start;
}

.showcase-tabs {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.showcase-tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: 1px solid transparent;
    border-left: 3px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: all 0.25s ease;
}

.showcase-tab:hover {
    background: rgba(var(--bg-secondary-rgb), 0.5);
    border-color: var(--border-color);
}

.showcase-tab.active {
    background: var(--bg-card);
    border-color: var(--border-color);
    border-left: 3px solid var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.showcase-tab.active.ai-tab {
    border-left-color: var(--ai-accent);
}

.showcase-tab h3 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.showcase-tab p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.showcase-tab.active h3 {
    color: var(--accent-primary);
}
.showcase-tab.active.ai-tab h3 {
    color: var(--ai-accent);
}

.showcase-preview-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.showcase-app-frame {
    background-color: #2d2d2d;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(0,0,0,0.15);
    overflow: hidden;
    position: relative;
    aspect-ratio: 1.6 / 1;
}

.showcase-app-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.showcase-app-frame img.fade-out {
    opacity: 0;
    transform: scale(0.98);
}

.showcase-caption {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   Hardware-Aware AI Calculator Section
   ========================================================================== */
.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: var(--shadow-md);
    align-items: center;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.calculator-form h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.calc-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.form-group select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    background-size: 1rem;
    padding-right: 3rem;
}

.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.light-theme .form-group select {
    background-color: #ffffff;
}

/* Results Card styling */
.calculator-result-card {
    background: linear-gradient(135deg, rgba(var(--bg-secondary-rgb), 0.9) 0%, rgba(var(--bg-secondary-rgb), 0.7) 100%);
    border: 1px solid rgba(var(--accent-rgb), 0.15);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm), inset 0 1px 1px rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.light-theme .calculator-result-card {
    border-color: rgba(var(--accent-rgb), 0.1);
}

.calculator-result-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.15) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
}

.result-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-header span {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ai-accent);
}

.result-model-name {
    font-size: 1.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.25rem;
}

.result-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.meta-item-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.meta-item-val {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.result-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: rgba(var(--accent-rgb), 0.04);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--radius-sm);
}

.glow-pulse {
    border-color: var(--ai-accent);
    box-shadow: 0 0 25px rgba(138, 43, 226, 0.25);
}

/* ==========================================================================
   Privacy and Core Philosophy block
   ========================================================================== */
.privacy-strip {
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.1) 0%, rgba(138, 43, 226, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.privacy-strip h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.privacy-strip p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================================================
   Download and Setup Grid
   ========================================================================== */
.downloads-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: all 0.3s;
}

.download-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.download-platform-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(var(--accent-rgb), 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--accent-primary);
}

.download-card.linux-card .download-platform-icon {
    background: rgba(245, 158, 11, 0.08);
    color: #f59e0b;
}

.download-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.download-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.spec-list {
    list-style: none;
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

.spec-list li {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.spec-list li span:first-child {
    color: var(--text-secondary);
}

.spec-list li span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.download-card .btn {
    width: 100%;
}

/* Setup steps for Linux terminal copy */
.setup-guide-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
}

.setup-guide-box h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.setup-guide-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.terminal-block {
    background-color: #0f172a;
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #38bdf8;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.light-theme .terminal-block {
    background-color: #0f172a; /* Keep terminal dark for premium styling */
}

.terminal-block code {
    white-space: nowrap;
}

.terminal-block::before {
    content: '$ ';
    color: #64748b;
    margin-right: 0.5rem;
    user-select: none;
}

/* ==========================================================================
   Accordion FAQs Section
   ========================================================================== */
.faq-list {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--accent-primary);
}

.faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.faq-item.active .faq-answer {
    opacity: 1;
    border-top: 1px solid var(--border-color);
}

.faq-answer-inner {
    padding: 1.5rem 2rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-layout {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-info h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-info p {
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-links-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links-column h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp2 {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp3 {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    to { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Scroll Trigger Hidden/Visible helper styling */
.fade-in-hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Adaptability (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
    .showcase-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .calculator-container {
        grid-template-columns: 1fr;
        padding: 2.5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .navbar .nav-links {
        display: none; /* Hide standard links in mobile view */
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* ==========================================================================
   Project Story & Community Support Section
   ========================================================================== */
.story-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.story-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
}

.story-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.story-actions {
    margin-top: 1.5rem;
}

.support-btn {
    background: linear-gradient(135deg, #FF5E5B 0%, #FF8A5B 100%);
    border: none;
    box-shadow: 0 4px 14px rgba(255, 94, 91, 0.3);
    color: white !important;
}

.support-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 94, 91, 0.45);
    background: linear-gradient(135deg, #ff716f 0%, #ff9c73 100%);
}

.support-card-glow {
    position: relative;
    padding: 1px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(var(--accent-rgb), 0.05);
}

.support-card-glow::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-primary), transparent 30%, transparent, var(--ai-accent), transparent 70%);
    animation: rotate-border 8s linear infinite;
    z-index: 0;
    opacity: 0.6;
}

@keyframes rotate-border {
    100% { transform: rotate(360deg); }
}

.support-card-inner {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
    border-radius: calc(var(--radius-md) - 1px);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.support-badge {
    background: rgba(244, 63, 94, 0.1);
    color: #f43f5e;
    border: 1px solid rgba(244, 63, 94, 0.2);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.light-theme .support-badge {
    background: rgba(244, 63, 94, 0.08);
    border-color: rgba(244, 63, 94, 0.15);
}

.support-metric {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.support-metric-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.support-card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .story-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* ==========================================================================
   Footer Live Counter Styling
   ========================================================================== */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-bottom-left {
    display: flex;
    flex-direction: column;
}

.footer-counter {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(var(--accent-rgb), 0.06);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.light-theme .footer-counter {
    background: rgba(var(--accent-rgb), 0.04);
}

.counter-pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981; /* Premium emerald green */
    border-radius: 50%;
    position: relative;
}

.counter-pulse-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #10b981;
    animation: counter-ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes counter-ping {
    75%, 100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

.counter-label {
    color: var(--text-secondary);
    font-weight: 500;
}

#counter-total {
    font-weight: 700;
    color: var(--accent-primary);
}

.counter-details {
    font-size: 0.75rem;
    color: var(--text-muted);
}