/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Brand Colors - Green theme from logo */
    --primary-green: #5CB85C;
    --primary-green-dark: #4A9D4A;
    --primary-green-light: #6FD46F;
    --primary-green-ultra-light: #E8F5E8;
    
    /* Accent Colors */
    --accent-teal: #3DBABA;
    --accent-emerald: #50C878;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #5CB85C 0%, #3DBABA 100%);
    --gradient-hero: linear-gradient(180deg, rgba(92, 184, 92, 0.1) 0%, rgba(92, 184, 92, 0.05) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-green: 0 10px 30px -5px rgba(92, 184, 92, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* ===========================
   Utility Classes
   =========================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Header
   =========================== */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) 0;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-green);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

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

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gradient-primary);
    transition: transform var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-green);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float-orb 20s ease-in-out infinite;
}

@keyframes float-orb {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-green);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-teal);
    top: 50%;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-emerald);
    bottom: -100px;
    left: 30%;
    animation-delay: 10s;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-green);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    animation: slideUp 0.6s ease-out 0.2s both;
}

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

.badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: slideUp 0.6s ease-out 0.3s both;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    animation: slideUp 0.6s ease-out 0.4s both;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    animation: slideUp 0.6s ease-out 0.5s both;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.meta-item svg {
    color: var(--primary-green);
}

/* ===========================
   Main Content
   =========================== */
.main {
    padding: var(--spacing-3xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-2xl);
}

/* ===========================
   Sidebar
   =========================== */
.sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.sidebar-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.sidebar-link:hover,
.sidebar-link.active {
    background: var(--primary-green-ultra-light);
    color: var(--primary-green-dark);
    padding-left: var(--spacing-md);
}

.sidebar-link:hover::before,
.sidebar-link.active::before {
    transform: scaleY(1);
}

/* ===========================
   Content Sections
   =========================== */
.content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease-out both;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    position: relative;
}

.section-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--white);
    box-shadow: var(--shadow-green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-green);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px -5px rgba(92, 184, 92, 0.4);
    }
}

.section-content {
    color: var(--gray-700);
    line-height: 1.8;
}

.section-content p {
    margin-bottom: var(--spacing-md);
}

.section-content p:last-child {
    margin-bottom: 0;
}

/* ===========================
   Info & Warning Boxes
   =========================== */
.info-box,
.warning-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.info-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.warning-box {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.info-box-icon,
.warning-box-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.info-box-content,
.warning-box-content {
    flex: 1;
}

.info-box-content strong,
.warning-box-content strong {
    color: var(--gray-900);
    font-weight: 600;
}

/* ===========================
   Features Grid
   =========================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    background: var(--gradient-card);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    animation: scaleIn 0.5s ease-out both;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.feature-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.feature-description {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===========================
   Data Categories
   =========================== */
.data-category {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-left: 4px solid var(--primary-green);
    border-radius: var(--radius-md);
    animation: slideInRight 0.5s ease-out;
}

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

.data-category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.category-icon {
    font-size: var(--font-size-2xl);
}

.data-list {
    list-style: none;
    padding-left: var(--spacing-lg);
}

.data-list li {
    position: relative;
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
}

.data-list li::before {
    content: '✓';
    position: absolute;
    left: -24px;
    color: var(--primary-green);
    font-weight: bold;
}

/* ===========================
   Permissions Grid
   =========================== */
.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.permission-card {
    padding: var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.permission-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.permission-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.permission-badge.read {
    background: rgba(59, 130, 246, 0.1);
    color: #2563EB;
}

.permission-badge.write {
    background: rgba(92, 184, 92, 0.1);
    color: var(--primary-green-dark);
}

.permission-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-900);
    font-family: 'Courier New', monospace;
}

.permission-description {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===========================
   Usage List
   =========================== */
.usage-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.usage-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    animation: fadeInLeft 0.5s ease-out both;
}

@keyframes fadeInLeft {
    from {
        transform: translateX(-30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.usage-item:nth-child(1) { animation-delay: 0.1s; }
.usage-item:nth-child(2) { animation-delay: 0.2s; }
.usage-item:nth-child(3) { animation-delay: 0.3s; }
.usage-item:nth-child(4) { animation-delay: 0.4s; }
.usage-item:nth-child(5) { animation-delay: 0.5s; }
.usage-item:nth-child(6) { animation-delay: 0.6s; }

.usage-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.usage-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-green);
}

.usage-content {
    flex: 1;
}

.usage-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

/* ===========================
   Storage Grid
   =========================== */
.storage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.storage-card {
    padding: var(--spacing-lg);
    background: var(--gradient-card);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.storage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.storage-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.storage-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.storage-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===========================
   Sharing List
   =========================== */
.sharing-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.sharing-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.sharing-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.sharing-icon {
    flex-shrink: 0;
    font-size: var(--font-size-3xl);
}

.sharing-content {
    flex: 1;
}

.sharing-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.sharing-content p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ===========================
   Rights Grid
   =========================== */
.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.right-card {
    padding: var(--spacing-lg);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.right-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.right-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.right-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.right-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===========================
   Security Grid
   =========================== */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.security-item {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.security-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.security-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.security-item h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.security-item p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===========================
   Changes Info
   =========================== */
.changes-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.changes-item {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-left: 4px solid var(--primary-green);
    border-radius: var(--radius-md);
}

.changes-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.changes-item p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.changes-item ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    color: var(--gray-700);
}

.changes-item ul li {
    padding: 4px 0;
}

/* ===========================
   Contact Grid
   =========================== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-card {
    padding: var(--spacing-xl);
    background: var(--gradient-card);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.contact-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--white);
    box-shadow: var(--shadow-green);
}

.contact-card h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.contact-link {
    display: inline-block;
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-base);
}

.contact-link:hover {
    color: var(--primary-green-dark);
    text-decoration: underline;
}

.contact-note,
.contact-address,
.contact-info {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===========================
   Compliance Grid
   =========================== */
.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.compliance-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.compliance-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-lg);
}

.compliance-card h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.compliance-card p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.compliance-card ul {
    list-style: none;
    padding-left: var(--spacing-lg);
}

.compliance-card ul li {
    position: relative;
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
}

.compliance-card ul li::before {
    content: '✓';
    position: absolute;
    left: -24px;
    color: var(--primary-green);
    font-weight: bold;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
}

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

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

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

.footer-logo .logo-icon {
    width: 48px;
    height: 48px;
    transition: transform var(--transition-base);
}

.footer-logo:hover .logo-icon {
    transform: rotate(5deg) scale(1.05);
}

.footer-logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--white);
}

.footer-tagline {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* Social Links */
.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: var(--primary-green);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px -5px rgba(92, 184, 92, 0.4);
}

/* Footer Columns */
.footer-heading {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-link-item {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    padding: 4px 0;
    display: inline-block;
    position: relative;
}

.footer-link-item::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all var(--transition-base);
    color: var(--primary-green);
}

.footer-link-item:hover {
    color: var(--primary-green-light);
    padding-left: 20px;
}

.footer-link-item:hover::before {
    opacity: 1;
    left: 0;
}

/* Footer Divider */
.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    margin: var(--spacing-2xl) 0;
}

/* Footer Bottom */
.footer-bottom {
    padding-top: var(--spacing-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-copyright {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.footer-copyright strong {
    color: var(--white);
    font-weight: 700;
}

/* Footer Badges */
.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(92, 184, 92, 0.1);
    border: 1px solid rgba(92, 184, 92, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-green-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all var(--transition-base);
}

.footer-badge:hover {
    background: rgba(92, 184, 92, 0.2);
    border-color: var(--primary-green);
    transform: translateY(-2px);
}

.footer-badge svg {
    width: 14px;
    height: 14px;
}

/* Footer Note */
.footer-note {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    text-align: center;
}

.footer-note .heart {
    color: #EF4444;
    animation: heartbeat 1.5s ease-in-out infinite;
    display: inline-block;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

.footer-dev-link {
    color: var(--primary-green-light);
    font-weight: 600;
    transition: color var(--transition-base);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: all var(--transition-base);
}

.footer-dev-link:hover {
    color: var(--primary-green);
    text-decoration-color: var(--primary-green);
}

/* ===========================
   Scroll Progress Bar
   =========================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: var(--z-tooltip);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: -1;
    }
    
    .sidebar-sticky {
        position: static;
    }
    
    /* Footer: 2 columns on tablet */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav {
        display: none;
    }
    
    .section {
        padding: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .features-grid,
    .permissions-grid,
    .storage-grid,
    .rights-grid,
    .security-grid,
    .contact-grid,
    .compliance-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .logo-text {
        font-size: var(--font-size-xl);
    }
    
    .section {
        padding: var(--spacing-md);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    .header,
    .sidebar,
    .footer,
    .scroll-progress {
        display: none;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        box-shadow: none;
        border: 1px solid var(--gray-300);
        page-break-inside: avoid;
    }
}