/* ==========================================================================
   Miony Legal & Web - Unified iOS-Inspired Design System
   Optimized for Mobile, Tablet, and Desktop Devices
   ========================================================================== */

:root {
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Apple Palette */
    --primary: #0071e3;
    --primary-hover: #0077ed;
    --primary-glow: rgba(0, 113, 227, 0.22);
    
    /* Light Theme */
    --bg-page: #f5f5f7;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.85);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-subtle: rgba(0, 0, 0, 0.04);
    
    --text-main: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    
    --badge-bg: #e8f2ff;
    --badge-text: #0071e3;
    
    --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
    --card-shadow-hover: 0 12px 30px -4px rgba(0, 0, 0, 0.08);
    
    --callout-bg: #f0fdf4;
    --callout-border: #bbf7d0;
    --callout-text: #166534;
    
    --warning-bg: #fffbeb;
    --warning-border: #fef3c7;
    --warning-text: #92400e;
    
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-page: #000000;
        --bg-surface: #161618;
        --bg-surface-elevated: #1e1e20;
        --bg-nav: rgba(22, 22, 24, 0.85);
        --border-color: rgba(255, 255, 255, 0.12);
        --border-subtle: rgba(255, 255, 255, 0.06);
        
        --text-main: #f5f5f7;
        --text-secondary: #a1a1a6;
        --text-tertiary: #6e6e73;
        
        --badge-bg: rgba(0, 113, 227, 0.2);
        --badge-text: #52a7ff;
        
        --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
        --card-shadow-hover: 0 12px 32px -4px rgba(0, 0, 0, 0.7);
        
        --callout-bg: rgba(34, 197, 94, 0.12);
        --callout-border: rgba(34, 197, 94, 0.25);
        --callout-text: #4ade80;
        
        --warning-bg: rgba(245, 158, 11, 0.12);
        --warning-border: rgba(245, 158, 11, 0.25);
        --warning-text: #fbbf24;
    }
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    color-scheme: light dark;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Glassmorphism Nav */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-nav);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    padding-top: max(12px, env(safe-area-inset-top));
    transition: background-color 0.3s;
}

.container {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.logo-area {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
}

.app-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #0071e3 0%, #5856d6 100%);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 20px;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.4px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 20px;
    background-color: transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover, .nav-link:focus-visible {
    color: var(--text-main);
    background-color: var(--border-subtle);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--badge-bg);
    font-weight: 600;
}

/* Main Content */
main {
    flex: 1;
    padding-bottom: 40px;
}

/* Hero Section */
.hero {
    padding: 50px 0 32px;
    text-align: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: -0.1px;
}

h1 {
    font-size: clamp(1.85rem, 5vw + 0.5rem, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.8px;
    line-height: 1.18;
    margin-bottom: 16px;
    color: var(--text-main);
}

.subtitle {
    font-size: clamp(1rem, 2vw + 0.3rem, 1.15rem);
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 30px;
    line-height: 1.55;
}

/* Buttons */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-align: center;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 6px 18px var(--primary-glow);
}

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

.btn-secondary:hover {
    background-color: var(--border-subtle);
}

/* Grid & Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    margin: 36px 0;
}

.feature-card {
    background-color: var(--bg-surface);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: inline-block;
}

.feature-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
    letter-spacing: -0.2px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Generic Section Card */
.section-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(22px, 4vw, 36px);
    margin-bottom: 28px;
    box-shadow: var(--card-shadow);
}

.section-title {
    font-size: clamp(1.35rem, 3vw, 1.65rem);
    font-weight: 700;
    letter-spacing: -0.4px;
    margin-bottom: 20px;
    color: var(--text-main);
}

/* Legal Document Layout */
.legal-header {
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}

.nav-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    padding: 6px 12px;
    border-radius: 8px;
    background-color: var(--badge-bg);
    transition: opacity 0.2s;
}

.nav-back:hover {
    opacity: 0.85;
}

.date-badge {
    display: inline-block;
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: 500;
    margin-top: 6px;
}

.legal-content h2 {
    color: var(--text-main);
    font-size: clamp(1.15rem, 2.5vw, 1.35rem);
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-top: 32px;
    margin-bottom: 12px;
}

.legal-content p, .legal-content li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.68;
    margin-bottom: 14px;
}

.legal-content ul, .legal-content ol {
    padding-left: 22px;
    margin-bottom: 16px;
}

.legal-content strong {
    color: var(--text-main);
    font-weight: 600;
}

/* Callout Boxes */
.callout {
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin: 20px 0;
    border: 1px solid;
    font-size: 14px;
    line-height: 1.55;
}

.callout-success {
    background-color: var(--callout-bg);
    border-color: var(--callout-border);
    color: var(--callout-text);
}

.callout-warning {
    background-color: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning-text);
}

.callout-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.callout a {
    color: inherit;
    font-weight: 700;
    text-decoration: underline;
}

/* FAQ Items */
.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 18px 0;
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 4px;
}

.faq-q {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.4;
}

.faq-a {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Box */
.contact-box {
    background-color: var(--callout-bg);
    border: 1px solid var(--callout-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-top: 24px;
}

.contact-box h3 {
    color: var(--callout-text);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.contact-box p {
    color: var(--callout-text);
    font-size: 14px;
    line-height: 1.5;
}

.contact-link {
    color: var(--callout-text);
    font-weight: 700;
    text-decoration: underline;
    word-break: break-all;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 36px 0;
    padding-bottom: max(36px, env(safe-area-inset-bottom));
    text-align: center;
    color: var(--text-tertiary);
    font-size: 13px;
    background-color: var(--bg-surface);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Mobile-Specific Adaptations (< 640px) */
@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
    
    .header {
        padding: 10px 0;
    }
    
    .nav {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .app-icon {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .nav-links {
        gap: 4px;
    }
    
    .nav-link {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .hero {
        padding: 36px 0 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 380px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 14px;
        margin: 28px 0;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .section-card {
        padding: 20px;
        border-radius: var(--radius-md);
    }
    
    .legal-content p, .legal-content li {
        font-size: 14px;
    }
    
    .footer {
        padding: 28px 0;
    }
    
    .footer-links {
        gap: 12px;
    }
}