/* ==========================================================================
   Pluto Trust & Compliance Center Stylesheet
   Designed with Rich Dark Slate Theme, Glassmorphism, and Fluid Responsiveness
   ========================================================================== */

/* --- Google Fonts Import --- */
@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');

/* --- CSS Root Variables --- */
:root {
    /* Color Palette - Dark Slate (Default) */
    --bg-main: #0a0e17;
    --bg-card: rgba(18, 24, 38, 0.75);
    --border-card: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-teal: #0ea5e9;
    --accent-indigo: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    /* Callout & Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects & Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --blur-strength: 16px;
    --shadow-premium: 0 12px 40px -10px rgba(0, 0, 0, 0.5);
}

/* --- Light Theme Variables --- */
:root.light-theme {
    --bg-main: #f9fafb;
    --bg-card: rgba(255, 255, 255, 0.8);
    --border-card: rgba(0, 0, 0, 0.08);
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    
    --accent-teal: #0284c7;
    --accent-indigo: #4f46e5;
    --accent-glow: rgba(79, 70, 229, 0.1);
    
    --shadow-premium: 0 12px 40px -10px rgba(0, 0, 0, 0.08);
}

/* --- Base Resets & Layout --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* --- Header / Navigation Bar --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    border-bottom: 1px solid var(--border-card);
    transition: background var(--transition-normal), border var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-indigo));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: opacity var(--transition-fast);
}

.brand-logo:hover {
    opacity: 0.9;
}

.brand-logo span {
    font-weight: 400;
    color: var(--text-secondary);
    -webkit-text-fill-color: var(--text-secondary);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--accent-indigo);
}

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

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-card);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.theme-toggle-btn:hover {
    background: var(--border-card);
}

.nav-cta-btn {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-teal));
    color: #ffffff;
    padding: 0.6rem 1.2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

/* --- Hero Section & Dashboard --- */
.hero-section {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem 3rem 2rem;
    text-align: center;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-teal);
    margin-bottom: 1rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

/* Search Box Container */
.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    box-shadow: var(--shadow-premium);
    border-radius: 9999px;
}

.search-input {
    width: 100%;
    padding: 1.2rem 1.8rem 1.2rem 3.5rem;
    font-size: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 9999px;
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-body);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.search-icon-svg {
    position: absolute;
    left: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.2rem;
    height: 1.2rem;
    fill: var(--text-muted);
    pointer-events: none;
}

/* --- Category Pillars (Dashboard) --- */
.dashboard-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.pillar-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-indigo);
    box-shadow: 0 20px 40px -15px var(--accent-glow);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pillar-icon-wrapper {
    background: var(--accent-glow);
    border-radius: 12px;
    padding: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-indigo);
}

.pillar-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pillar-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.pillar-item-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.pillar-item-link:hover {
    color: var(--accent-teal);
    padding-left: 4px;
}

.pillar-item-link svg {
    width: 0.85rem;
    height: 0.85rem;
    fill: var(--text-muted);
    transition: fill var(--transition-fast), transform var(--transition-fast);
}

.pillar-item-link:hover svg {
    fill: var(--accent-teal);
    transform: translateX(3px);
}

/* --- Document Layout (Split Panel / Legal Reading Mode) --- */
.doc-layout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
}

/* Sidebar TOC */
.sidebar-toc {
    position: sticky;
    top: 6rem;
    height: calc(100vh - 10rem);
    overflow-y: auto;
    padding-right: 1rem;
}

.sidebar-toc::-webkit-scrollbar {
    width: 4px;
}
.sidebar-toc::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 99px;
}

.toc-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    font-weight: 700;
}

.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toc-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    border-left: 2px solid transparent;
    display: block;
    transition: all var(--transition-fast);
}

.toc-link:hover {
    color: var(--accent-indigo);
    background: var(--accent-glow);
    border-radius: 0 8px 8px 0;
}

.toc-link.active {
    color: var(--accent-indigo);
    border-left-color: var(--accent-indigo);
    font-weight: 600;
    background: var(--accent-glow);
    border-radius: 0 8px 8px 0;
}

/* Main Doc Reader */
.doc-reader-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    padding: 3.5rem;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
}

.doc-metadata {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-card);
    padding-bottom: 1.5rem;
}

.meta-item strong {
    color: var(--text-secondary);
}

.doc-content h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.doc-content h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem 0;
    border-bottom: 1px solid var(--border-card);
    padding-bottom: 0.4rem;
}

.doc-content h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1.8rem 0 0.8rem 0;
}

.doc-content p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-size: 1rem;
    line-height: 1.7;
}

.doc-content ul, .doc-content ol {
    margin: 0 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.doc-content li {
    margin-bottom: 0.5rem;
}

/* Callout Blocks */
.callout-box {
    margin: 2rem 0;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--border-card);
    background: rgba(255, 255, 255, 0.02);
}

.callout-box.note {
    border-left-color: var(--color-info);
    background: rgba(59, 130, 246, 0.05);
}

.callout-box.warning {
    border-left-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.05);
}

.callout-box.caution {
    border-left-color: var(--color-danger);
    background: rgba(239, 68, 68, 0.05);
}

.callout-title {
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.callout-box.note .callout-title { color: var(--color-info); }
.callout-box.warning .callout-title { color: var(--color-warning); }
.callout-box.caution .callout-title { color: var(--color-danger); }

/* Interactive Form Styling (Data Deletion Request Page) */
.interactive-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

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

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-main);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    border-radius: 8px;
    outline: none;
    transition: border var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent-indigo);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-group input {
    margin-top: 0.3rem;
}

.form-submit-btn {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-teal));
    color: #ffffff;
    border: none;
    padding: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.form-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

.form-result-box {
    margin-top: 1.5rem;
    padding: 1.2rem;
    border-radius: 8px;
    display: none;
}

/* Compliance Audit Checklist (For store submissions) */
.compliance-checklist {
    list-style: none !important;
    margin: 1.5rem 0 !important;
}

.compliance-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
}

.checklist-icon {
    color: var(--color-success);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* --- FAQ Section --- */
.faq-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.faq-question {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    margin-top: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: none;
    line-height: 1.6;
}

/* --- Footer --- */
.site-footer {
    margin-top: auto;
    background: var(--bg-card);
    border-top: 1px solid var(--border-card);
    padding: 4rem 2rem 2rem 2rem;
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.copyright-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-legal-inline {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-inline a {
    text-decoration: none;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-legal-inline a:hover {
    color: var(--accent-teal);
}

/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .doc-layout-container {
        grid-template-columns: 1fr;
    }
    
    .sidebar-toc {
        display: none; /* Hide sidebar TOC on mobile */
    }
    
    .doc-reader-card {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .nav-menu {
        display: none; /* Mobile menu hamburger implementation needed */
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}