/* ===========================
   CSS Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #4facfe;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* 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-glow: 0 0 30px rgba(102, 126, 234, 0.3);
    
    /* 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);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ===========================
   Animated Background
   =========================== */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    top: 50%;
    right: -5%;
    animation-delay: 5s;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    bottom: -10%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* ===========================
   Container
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Header
   =========================== */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    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: 40px;
    height: 40px;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.playstore-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.playstore-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.playstore-btn:hover::before {
    left: 100%;
}

.playstore-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.playstore-icon {
    width: 20px;
    height: 20px;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-xl);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
}

.badge-icon {
    width: 18px;
    height: 18px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===========================
   Main Content
   =========================== */
.main-content {
    padding: var(--spacing-2xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

/* ===========================
   Sidebar
   =========================== */
.sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    animation: fadeInLeft 0.8s ease-out;
}

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

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.info-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.info-icon svg {
    width: 22px;
    height: 22px;
}

.info-card-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.info-card-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.info-item:hover {
    background: rgba(102, 126, 234, 0.05);
}

.info-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
}

.info-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-card {
    background: var(--primary-gradient);
    color: white;
    border: none;
}

.contact-card .info-icon {
    background: rgba(255, 255, 255, 0.2);
}

.contact-card h3 {
    color: white;
}

.contact-text {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-sm);
}

.contact-email {
    color: white;
    font-weight: 600;
    text-decoration: none;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    display: inline-block;
    word-break: break-all;
}

.contact-email:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(5px);
}

/* ===========================
   Policy Content
   =========================== */
.policy-content {
    animation: fadeInRight 0.8s ease-out;
}

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

.policy-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.policy-section:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.section-number {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-content {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

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

.subsection {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-base);
}

.subsection:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: translateX(5px);
}

.subsection-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.subsection-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.feature-list {
    list-style: none;
    padding-left: 0;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
}

.feature-list li:hover {
    transform: translateX(5px);
    color: var(--primary-color);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 8px;
    background: var(--primary-gradient);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

/* ===========================
   Security Grid
   =========================== */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.security-card {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
    text-align: center;
}

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

.security-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.security-icon svg {
    width: 32px;
    height: 32px;
}

.security-card h5 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.security-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ===========================
   Third Party Grid
   =========================== */
.third-party-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.third-party-card {
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
}

.third-party-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.third-party-logo {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-sm);
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.third-party-logo svg {
    width: 28px;
    height: 28px;
}

.third-party-card h5 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.third-party-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(79, 172, 254, 0.1);
    border-left: 4px solid var(--accent-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-style: italic;
}

/* ===========================
   Highlight & Contact Boxes
   =========================== */
.highlight-box {
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.highlight-icon {
    width: 30px;
    height: 30px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.highlight-box p {
    margin: 0;
    color: var(--text-primary);
    font-weight: 500;
}

.highlight-box a {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.highlight-box a:hover {
    text-decoration: underline;
}

.contact-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 40px;
    height: 40px;
    color: white;
    flex-shrink: 0;
}

.contact-link {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-base);
}

.contact-link:hover {
    transform: translateX(5px);
    text-decoration: underline;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark-gradient);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
}

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

.footer-left p {
    margin: 0.25rem 0;
    opacity: 0.9;
}

.footer-developer {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-link svg {
    width: 20px;
    height: 20px;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .logo-section {
        flex-direction: column;
    }
    
    .policy-section {
        padding: var(--spacing-lg);
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .security-grid,
    .third-party-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .playstore-btn span {
        display: none;
    }
    
    .playstore-btn {
        padding: 0.75rem;
    }
}

/* ===========================
   Animations & Interactions
   =========================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Smooth scroll padding for sticky header */
html {
    scroll-padding-top: 100px;
}

/* Selection styling */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}