/* ============================================================
   SysMon — Minimalist Luxury
   A refined, editorial aesthetic for system monitoring.
   Typography: Playfair Display (display) + Inter (body) + JetBrains Mono (mono)
   Palette: warm off-white, muted gold accent, soft shadows
   ============================================================ */

/* =====================
   CSS CUSTOM PROPERTIES
   ===================== */
:root {
    /* Colors - Light Mode */
    --color-bg: #FAFAFA;
    --color-bg-alt: #FFFFFF;
    --color-bg-subtle: #F5F5F4;
    
    --color-text: #1A1A1A;
    --color-text-secondary: #6B6B6B;
    --color-text-muted: #9A9A9A;
    
    --color-accent: #C9A962;
    --color-accent-hover: #B8963F;
    --color-accent-subtle: rgba(201, 169, 98, 0.08);
    --color-accent-glow: rgba(201, 169, 98, 0.15);
    
    --color-border: rgba(0, 0, 0, 0.06);
    --color-border-hover: rgba(0, 0, 0, 0.10);
    
    /* Shadows - Light Mode */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.08);
    --shadow-accent: 0 8px 24px rgba(201, 169, 98, 0.12);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    
    /* Font Sizes */
    --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: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;
    
    /* Layout */
    --max-width: 1120px;
    --nav-height: 72px;
}

/* =====================
   DARK MODE
   ===================== */
[data-theme="dark"] {
    /* Colors - Dark Mode */
    --color-bg: #0F0F0F;
    --color-bg-alt: #1A1A1A;
    --color-bg-subtle: #141414;
    
    --color-text: #F5F5F5;
    --color-text-secondary: #A0A0A0;
    --color-text-muted: #6B6B6B;
    
    --color-accent: #D4B574;
    --color-accent-hover: #E5C78A;
    --color-accent-subtle: rgba(212, 181, 116, 0.1);
    --color-accent-glow: rgba(212, 181, 116, 0.2);
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.12);
    
    /* Shadows - Dark Mode */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 8px 24px rgba(212, 181, 116, 0.15);
}

/* Dark mode screenshot card adjustment */
[data-theme="dark"] .screenshot-card {
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--color-border);
}

[data-theme="dark"] .screenshot-header {
    background: var(--color-bg-subtle);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* =====================
   PAGE WRAPPER
   ===================== */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =====================
   NAVIGATION
   ===================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    background: transparent;
    transition: background var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    background: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--color-border);
}

[data-theme="dark"] .nav.scrolled {
    background: rgba(15, 15, 15, 0.92);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
}

.brand-icon {
    font-size: 1.25rem;
    color: var(--color-accent);
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    transition: color var(--duration-fast) var(--ease-out);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--duration-normal) var(--ease-out),
                left var(--duration-normal) var(--ease-out);
}

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

.nav-links a:hover::after {
    width: 100%;
    left: 0;
}

.nav-link-github {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link-github svg {
    opacity: 0.7;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.nav-link-github:hover svg {
    opacity: 1;
}

/* Theme Toggle Button */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-secondary);
    transition: background var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
    cursor: pointer;
    margin-left: var(--space-sm);
}

.theme-toggle:hover {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.theme-icon-sun,
.theme-icon-moon {
    position: absolute;
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

.theme-icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-icon-moon {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .theme-icon-sun {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .theme-icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    width: 32px;
    height: 24px;
    position: relative;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    position: absolute;
    left: 0;
    transition: transform var(--duration-normal) var(--ease-out),
                opacity var(--duration-normal) var(--ease-out);
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { bottom: 0; }

.nav-toggle.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    transform: translateY(-11px) rotate(-45deg);
}

/* =====================
   HERO SECTION
   ===================== */
.hero {
    padding-top: calc(var(--nav-height) + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: var(--color-accent-subtle);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xl);
    animation: fadeIn 0.6s var(--ease-out) both;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.6s 0.1s var(--ease-out) both;
}

.hero-accent {
    color: var(--color-accent);
    font-style: italic;
}

.hero-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.6s 0.15s var(--ease-out) both;
}

.hero-badge-link {
    display: inline-flex;
    align-items: center;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.hero-badge-link:hover {
    opacity: 0.8;
}

.hero-opensource {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.hero-opensource svg {
    opacity: 0.7;
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 540px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
    animation: fadeIn 0.6s 0.2s var(--ease-out) both;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.6s 0.3s var(--ease-out) both;
}

.hero-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    animation: fadeIn 0.6s 0.4s var(--ease-out) both;
}

.meta-sep {
    opacity: 0.4;
}

/* Hero Visual */
.hero-visual {
    animation: fadeIn 0.6s 0.35s var(--ease-out) both;
}

.screenshot-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    transition: transform var(--duration-slow) var(--ease-out),
                box-shadow var(--duration-slow) var(--ease-out);
}

.screenshot-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.1);
}

.screenshot-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
}

.screenshot-dots {
    display: flex;
    gap: 6px;
}

.screenshot-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.screenshot-dots span:nth-child(1) { background: #FF5F57; }
.screenshot-dots span:nth-child(2) { background: #FFBD2E; }
.screenshot-dots span:nth-child(3) { background: #28C840; }

.screenshot-title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-left: auto;
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
}

/* =====================
   BUTTONS
   ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-out);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(201, 169, 98, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    color: var(--color-text);
    border-color: var(--color-border-hover);
    background: var(--color-bg-alt);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--text-base);
}

/* =====================
   STATS SECTION
   ===================== */
.stats {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

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

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* =====================
   SECTION COMMON
   ===================== */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* =====================
   FEATURES SECTION
   ===================== */
.features {
    padding: var(--space-5xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: transform var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-hover);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--color-accent);
}

.feature-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.feature-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.feature-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-accent);
    background: var(--color-accent-subtle);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

/* =====================
   DOWNLOAD SECTION
   ===================== */
.download {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-subtle);
}

.download-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.download-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.download-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.download-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.download-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.download-features svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.download-action {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.download-info {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
}

.download-requirements {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.req-sep {
    margin: 0 var(--space-xs);
    opacity: 0.4;
}

/* =====================
   DOCS SECTION
   ===================== */
.docs {
    padding: var(--space-5xl) 0;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.doc-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: transform var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
}

.doc-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-hover);
}

.doc-arrow {
    font-size: var(--text-xl);
    color: var(--color-accent);
    transition: transform var(--duration-normal) var(--ease-out);
}

.doc-card:hover .doc-arrow {
    transform: translateX(4px);
}

.doc-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.doc-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* =====================
   FOOTER
   ===================== */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-brand .brand-icon {
    font-size: 1.5rem;
}

.footer-brand .brand-name {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
}

.footer-heading {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--duration-fast) var(--ease-out);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer-bottom a {
    color: var(--color-text-secondary);
    transition: color var(--duration-fast) var(--ease-out);
}

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

/* =====================
   ANIMATIONS
   ===================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-out),
                transform 0.6s var(--ease-out);
}

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

/* =====================
   RESPONSIVE DESIGN
   ===================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero {
        padding-top: calc(var(--nav-height) + var(--space-3xl));
        padding-bottom: var(--space-3xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-features {
        justify-content: center;
    }
    
    .download-action {
        padding: var(--space-xl) var(--space-2xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--duration-normal) var(--ease-out),
                    visibility var(--duration-normal) var(--ease-out);
    }
    
    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: var(--text-xl);
    }
    
    .hero {
        padding-top: calc(var(--nav-height) + var(--space-2xl));
        gap: var(--space-2xl);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-meta {
        flex-wrap: wrap;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .stat-value {
        font-size: var(--text-2xl);
    }
    
    .features {
        padding: var(--space-4xl) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download {
        padding: var(--space-4xl) 0;
    }
    
    .download-card {
        padding: var(--space-xl);
    }
    
    .download-features {
        grid-template-columns: 1fr;
    }
    
    .docs-grid {
        grid-template-columns: 1fr;
    }
    
    .footer {
        padding: var(--space-3xl) 0 var(--space-xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-brand {
        text-align: center;
        align-items: center;
    }
    
    .footer-column {
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
}