/* ==========================================================================
   ToolVerse Universal Design System - Unlock PDF Workspace Stylesheet
   Modern Glassmorphic Dual-Theme Architecture (design.md Compliant)
   ========================================================================== */

/* 1. Global Tokens & Root Variables */
:root {
    --bg-main: #F8FAFC;
    --bg-surface: rgba(255, 255, 255, 0.90);
    --bg-surface-solid: #FFFFFF;
    --border-color: rgba(226, 232, 240, 0.85);
    --border-subtle: #E2E8F0;
    
    --accent-indigo: #4F46E5;
    --accent-violet: #7C3AED;
    --accent-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --accent-glow: rgba(79, 70, 229, 0.25);
    
    --text-primary: #0F172A;
    --text-body: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    
    --card-shadow: 0 10px 30px -5px rgba(79, 70, 229, 0.05), 0 4px 12px -2px rgba(0, 0, 0, 0.02);
    --card-hover-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.14);
    
    --success-bg: #ECFDF5;
    --success-border: #A7F3D0;
    --success-text: #065F46;
    
    --warning-bg: #FFFBEB;
    --warning-border: #FDE68A;
    --warning-text: #92400E;
    
    --navbar-height: 64px;
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Companion */
html.dark {
    --bg-main: #090C15;
    --bg-surface: rgba(19, 26, 46, 0.78);
    --bg-surface-solid: #0F172A;
    --border-color: rgba(255, 255, 255, 0.09);
    --border-subtle: rgba(255, 255, 255, 0.12);
    
    --text-primary: #F8FAFC;
    --text-body: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
    --card-hover-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.25);
    
    --success-bg: rgba(6, 95, 70, 0.2);
    --success-border: rgba(16, 185, 129, 0.3);
    --success-text: #34D399;
    
    --warning-bg: rgba(146, 64, 14, 0.2);
    --warning-border: rgba(245, 158, 11, 0.3);
    --warning-text: #FCD34D;
}

/* 2. Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main) !important;
    color: var(--text-body) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Atmospheric Ambient Radial Mists */
.ambient-bg {
    position: fixed !important;
    inset: 0 !important;
    pointer-events: none !important;
    z-index: -1 !important;
    background: 
        radial-gradient(circle at 20% 10%, rgba(238, 242, 255, 0.8) 0%, transparent 40%),
        radial-gradient(circle at 80% 25%, rgba(243, 232, 255, 0.7) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(224, 231, 255, 0.5) 0%, transparent 50%) !important;
    background-color: var(--bg-main) !important;
    transition: background-color 0.3s ease;
}

html.dark .ambient-bg {
    background: 
        radial-gradient(circle at 20% 10%, rgba(99, 102, 241, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 80% 25%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%) !important;
    background-color: #090C15 !important;
}

/* Typography Scale */
h1, h2, h3, h4, .brand-font {
    font-family: 'Outfit', sans-serif !important;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.mono-font {
    font-family: 'JetBrains Mono', monospace !important;
}

/* Layout Containers */
.container-max {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    width: 100%;
}

@media (min-width: 640px) {
    .container-max {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* 3. Universal Glass Cards */
.glass-card {
    background: var(--bg-surface) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 24px !important;
    box-shadow: var(--card-shadow) !important;
    transition: var(--transition-smooth) !important;
}

.glass-card:hover {
    box-shadow: var(--card-hover-shadow) !important;
    border-color: rgba(99, 102, 241, 0.35) !important;
}

/* 4. Primary CTA & Utility Buttons */
.btn-primary-cta {
    background: var(--accent-gradient) !important;
    color: #FFFFFF !important;
    font-family: 'Outfit', 'Inter', sans-serif !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    padding: 0.85rem 2.2rem !important;
    border-radius: 16px !important;
    border: none !important;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35) !important;
    cursor: pointer !important;
    transition: var(--transition-smooth) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    text-decoration: none;
    user-select: none;
}

.btn-primary-cta:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.01) !important;
    box-shadow: 0 10px 28px rgba(79, 70, 229, 0.48) !important;
}

.btn-primary-cta:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-secondary {
    background: var(--bg-surface-solid);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 0.65rem 1.25rem;
    border-radius: 14px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--accent-indigo);
    color: var(--accent-indigo);
    background: rgba(99, 102, 241, 0.05);
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface-solid);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    color: var(--accent-indigo);
    border-color: var(--accent-indigo);
    background: rgba(99, 102, 241, 0.08);
}

/* 5. Block 1: Global Navigation Header */
.global-navbar {
    height: var(--navbar-height);
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-surface);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

@media (min-width: 860px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.925rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-indigo);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    color: var(--text-secondary);
    font-size: 0.925rem;
    font-weight: 500;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    transition: color 0.2s ease;
    font-family: inherit;
}

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

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.65rem;
    min-width: 210px;
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-hover-shadow);
    padding: 0.5rem;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 200;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: flex;
}

.nav-dropdown-menu a {
    padding: 0.6rem 0.85rem !important;
    border-radius: 10px !important;
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    transition: all 0.2s ease !important;
}

.nav-dropdown-menu a:hover {
    background: rgba(99, 102, 241, 0.08) !important;
    color: var(--accent-indigo) !important;
}

.nav-signin-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.4rem 0.75rem;
    border-radius: 10px;
    transition: color 0.2s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface-solid);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    border-color: var(--accent-indigo);
    color: var(--accent-indigo);
}

/* 6. Block 2: Standardized Hero Header */
.tool-hero {
    text-align: center;
    max-width: 896px;
    margin: 0 auto 2.5rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.breadcrumb-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.breadcrumb-pill a {
    text-decoration: none;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.breadcrumb-pill a:hover {
    color: var(--accent-indigo);
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background-color: #10B981;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); opacity: 0.8; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 640px) {
    .hero-title-wrap {
        flex-direction: row;
        justify-content: center;
    }
}

.hero-icon-box {
    width: 68px;
    height: 68px;
    border-radius: 20px;
    background: var(--accent-gradient);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 24px rgba(79, 70, 229, 0.3);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    flex-shrink: 0;
}

.hero-icon-box:hover {
    transform: rotate(10deg) scale(1.05);
    box-shadow: 0 16px 32px rgba(79, 70, 229, 0.45);
}

.hero-icon-box .material-symbols-outlined {
    font-size: 2.3rem;
}

.hero-heading {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.15;
    color: var(--text-primary);
}

@media (min-width: 640px) {
    .hero-heading {
        font-size: 2.75rem;
    }
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
}

/* 7. Block 3: Interactive Tool Workspace Canvas (max-w-5xl) */
.workspace-wrapper {
    max-width: 1024px !important;
    width: 100% !important;
    margin: 0 auto 3.5rem auto !important;
}

.workspace-canvas {
    padding: 1.75rem !important;
    border-radius: 28px !important;
}

@media (min-width: 640px) {
    .workspace-canvas {
        padding: 2.25rem 2.5rem !important;
    }
}

/* Upload Dropzone */
.dropzone-container {
    border: 2px dashed var(--border-subtle);
    border-radius: 20px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background: rgba(99, 102, 241, 0.02);
    transition: var(--transition-smooth);
    position: relative;
}

.dropzone-container:hover,
.dropzone-container.dragover {
    border-color: var(--accent-indigo);
    background: rgba(99, 102, 241, 0.06);
    transform: scale(1.005);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.dropzone-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.dropzone-container:hover .dropzone-icon {
    transform: translateY(-3px);
}

.dropzone-icon .material-symbols-outlined {
    font-size: 2rem;
}

.dropzone-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.dropzone-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.dropzone-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-indigo);
    margin-top: 0.5rem;
}

#fileInput {
    display: none;
}

/* Unlock Document Studio Area */
.unlock-studio {
    margin-top: 2rem;
    display: none;
}

.unlock-studio.active {
    display: block;
}

/* Document Status Card */
.doc-status-card {
    background: var(--bg-surface-solid);
    border: 1.5px solid var(--border-subtle);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

@media (min-width: 640px) {
    .doc-status-card {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.doc-info-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.doc-lock-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: #FEF3C7;
    color: #D97706;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.15);
}

html.dark .doc-lock-icon-box {
    background: rgba(217, 119, 6, 0.2);
    color: #FBBF24;
}

.doc-lock-icon-box.unlocked {
    background: #ECFDF5;
    color: #10B981;
}

html.dark .doc-lock-icon-box.unlocked {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
}

.doc-lock-icon-box .material-symbols-outlined {
    font-size: 1.8rem;
}

.doc-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.doc-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
}

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

.status-badge {
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.status-badge.encrypted {
    background: #FEF3C7;
    color: #B45309;
    border: 1px solid #FDE68A;
}

html.dark .status-badge.encrypted {
    background: rgba(180, 83, 9, 0.25);
    color: #FCD34D;
    border-color: rgba(245, 158, 11, 0.3);
}

.status-badge.clear {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

html.dark .status-badge.clear {
    background: rgba(6, 95, 70, 0.25);
    color: #34D399;
    border-color: rgba(16, 185, 129, 0.3);
}

/* Password Form Card */
.credential-panel {
    background: rgba(99, 102, 241, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.input-row {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.password-input-wrapper .material-symbols-outlined.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 1.2rem;
    pointer-events: none;
}

.credential-input {
    width: 100%;
    background: var(--bg-surface-solid);
    border: 1.5px solid var(--border-subtle);
    border-radius: 14px;
    padding: 0.85rem 3rem 0.85rem 2.85rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-smooth);
}

.credential-input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

.eye-toggle-btn {
    position: absolute;
    right: 0.85rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 6px;
    transition: color 0.2s ease;
}

.eye-toggle-btn:hover {
    color: var(--accent-indigo);
}

/* Action Trigger & Progress Bar */
.action-trigger-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.progress-container {
    width: 100%;
    max-width: 540px;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
}

.progress-container.active {
    display: flex;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--border-subtle);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 9999px;
    transition: width 0.3s ease;
}

.progress-status-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

/* Output Result Panel */
.output-panel {
    display: none;
    margin-top: 2rem;
    animation: fadeIn 0.4s ease forwards;
}

.output-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.result-icon-badge {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #10B981;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.35);
}

.result-icon-badge .material-symbols-outlined {
    font-size: 2.2rem;
}

.result-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.result-summary-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 0.5rem 0;
}

.result-metric-box {
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 0.6rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.result-metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-buttons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    margin-top: 0.5rem;
}

/* 8. Block 4: Educational Content & SEO */
.educational-section {
    margin-bottom: 4rem;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 2.5rem auto;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 2.1rem;
    }
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-card {
    padding: 2rem 1.5rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.step-number-badge {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--accent-gradient);
    color: #FFFFFF;
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
}

.step-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.step-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    padding: 1.75rem 1.5rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.feature-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon-box .material-symbols-outlined {
    font-size: 1.6rem;
}

.feature-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* FAQ Accordion */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question-btn {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: none;
    border: none;
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
}

.faq-chevron {
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent-indigo);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 250px;
    padding-bottom: 1.25rem;
}

/* 9. Block 5: Related Tools & Master Footer */
.related-tools-section {
    margin-bottom: 4rem;
}

.related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.related-card {
    padding: 1.5rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-indigo);
}

.related-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.related-desc {
    font-size: 0.825rem;
    color: var(--text-muted);
    line-height: 1.45;
}

/* Master Footer */
.master-footer {
    margin-top: auto;
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-color);
    padding: 3.5rem 0 2rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-top-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-top-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    max-width: 320px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-copy {
    font-size: 0.825rem;
    color: var(--text-muted);
}

.system-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 0.85rem 1.25rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* =========================================================================
   Image 1: Dropzone Exact Sizing & Spacing
   ========================================================================= */
.workspace-wrapper {
    max-width: 1000px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-bottom: 3.5rem !important;
}

.workspace-canvas {
    background: var(--bg-surface) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 24px !important;
    box-shadow: var(--card-shadow) !important;
    padding: 1.5rem !important;
}

@media (min-width: 640px) {
    .workspace-canvas {
        padding: 2.25rem !important;
    }
}

.dropzone-container {
    border: 2px dashed #C7D2FE !important;
    border-radius: 20px !important;
    padding: 3rem 1.5rem 2.5rem 1.5rem !important;
    min-height: 280px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    cursor: pointer !important;
    background: rgba(99, 102, 241, 0.02) !important;
    transition: var(--transition-smooth) !important;
    position: relative !important;
    box-sizing: border-box !important;
}

:root.dark .dropzone-container {
    background: rgba(99, 102, 241, 0.04) !important;
    border-color: rgba(129, 140, 248, 0.35) !important;
}

.dropzone-container:hover,
.dropzone-container.dragover {
    border-color: #6366F1 !important;
    background: rgba(99, 102, 241, 0.06) !important;
    transform: scale(1.002) !important;
}

:root.dark .dropzone-container:hover,
:root.dark .dropzone-container.dragover {
    background: rgba(99, 102, 241, 0.08) !important;
    border-color: #818CF8 !important;
}

.dropzone-icon {
    width: 62px !important;
    height: 62px !important;
    border-radius: 18px !important;
    background: #EEF2FF !important;
    color: #4F46E5 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 1.15rem !important;
}

:root.dark .dropzone-icon {
    background: rgba(99, 102, 241, 0.2) !important;
    color: #A5B4FC !important;
}

.dropzone-icon .material-symbols-outlined {
    font-size: 2.15rem !important;
}

.dropzone-title {
    font-size: 1.35rem !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    margin-bottom: 0.45rem !important;
}

.dropzone-desc {
    font-size: 0.95rem !important;
    color: #64748B !important;
    margin-bottom: 2rem !important;
}

:root.dark .dropzone-desc {
    color: #94A3B8 !important;
}

.dropzone-badges-row {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.85rem !important;
    flex-wrap: wrap !important;
    margin-top: 0.25rem !important;
}

.dropzone-badge-pill {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.45rem !important;
    font-size: 0.825rem !important;
    font-weight: 600 !important;
    padding: 0.5rem 1.15rem !important;
    border-radius: 9999px !important;
    background: #FFFFFF !important;
    border: 1px solid #E2E8F0 !important;
    color: #475569 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
    transition: all 0.2s ease !important;
}

:root.dark .dropzone-badge-pill {
    background: #1E293B !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #94A3B8 !important;
}

.dropzone-badge-pill.sample-btn {
    background: #EEF2FF !important;
    border: 1px solid #C7D2FE !important;
    color: #4F46E5 !important;
    cursor: pointer !important;
    font-weight: 700 !important;
}

:root.dark .dropzone-badge-pill.sample-btn {
    background: rgba(99, 102, 241, 0.22) !important;
    border-color: rgba(129, 140, 248, 0.45) !important;
    color: #C7D2FE !important;
}

.dropzone-badge-pill.sample-btn:hover {
    background: #E0E7FF !important;
    border-color: #818CF8 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2) !important;
}

/* =========================================================================
   Image 2: Features Section Exact Div Arrangement & Dimensions (229px x 152px)
   ========================================================================= */
#features {
    max-width: 1000px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-bottom: 4rem !important;
}

#features .section-header {
    text-align: center !important;
    margin-bottom: 2rem !important;
}

.enterprise-badge {
    display: inline-block !important;
    padding: 0.25rem 0.85rem !important;
    border-radius: 9999px !important;
    font-size: 0.7rem !important;
    font-weight: 750 !important;
    letter-spacing: 0.06em !important;
    text-transform: uppercase !important;
    background: #F3E8FF !important;
    color: #7E22CE !important;
    margin-bottom: 0.75rem !important;
}

:root.dark .enterprise-badge {
    background: rgba(147, 51, 234, 0.22) !important;
    color: #D8B4FE !important;
}

#features {
    max-width: 1000px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-bottom: 4rem !important;
}

#features .section-title {
    font-size: 1.75rem !important;
    font-weight: 800 !important;
    color: var(--text-primary) !important;
    margin-top: 0 !important;
    margin-bottom: 0.45rem !important;
    line-height: 1.25 !important;
}

#features .section-subtitle {
    font-size: 0.95rem !important;
    color: #64748B !important;
    margin-bottom: 2rem !important;
}

:root.dark #features .section-subtitle {
    color: #94A3B8 !important;
}

.features-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 1.35rem !important;
    margin-bottom: 2rem !important;
    max-width: 1000px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.35rem !important;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 1.35rem !important;
    }
}

.feature-card-v2 {
    background: #FFFFFF !important;
    border: 1px solid #E2E8F0 !important;
    border-radius: 20px !important;
    padding: 1.25rem 1.25rem !important;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    text-align: left !important;
    transition: var(--transition-smooth) !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03) !important;
}

:root.dark .feature-card-v2 {
    background: #0F172A !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25) !important;
}

.feature-card-v2:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.06) !important;
}

.feature-card-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 0.85rem !important;
}

.feature-icon-box-v2 {
    width: 36px !important;
    height: 36px !important;
    border-radius: 10px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.feature-icon-box-v2 .material-symbols-outlined {
    font-size: 1.25rem !important;
}

.feature-icon-box-v2.icon-purple {
    background: #EEF2FF !important;
    color: #4F46E5 !important;
}
:root.dark .feature-icon-box-v2.icon-purple {
    background: rgba(99, 102, 241, 0.18) !important;
    color: #818CF8 !important;
}

.feature-icon-box-v2.icon-indigo {
    background: #FAF5FF !important;
    color: #9333EA !important;
}
:root.dark .feature-icon-box-v2.icon-indigo {
    background: rgba(147, 51, 234, 0.18) !important;
    color: #C084FC !important;
}

.feature-icon-box-v2.icon-emerald {
    background: #ECFDF5 !important;
    color: #059669 !important;
}
:root.dark .feature-icon-box-v2.icon-emerald {
    background: rgba(16, 185, 129, 0.18) !important;
    color: #34D399 !important;
}

.feature-icon-box-v2.icon-amber {
    background: #FFFBEB !important;
    color: #D97706 !important;
}
:root.dark .feature-icon-box-v2.icon-amber {
    background: rgba(245, 158, 11, 0.18) !important;
    color: #FBBF24 !important;
}

.feature-badge {
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    padding: 0.2rem 0.65rem !important;
    border-radius: 9999px !important;
}

.feature-badge.badge-blue {
    background: #EFF6FF !important;
    color: #2563EB !important;
}
:root.dark .feature-badge.badge-blue {
    background: rgba(37, 99, 235, 0.18) !important;
    color: #93C5FD !important;
}

.feature-badge.badge-purple {
    background: #FAF5FF !important;
    color: #9333EA !important;
}
:root.dark .feature-badge.badge-purple {
    background: rgba(147, 51, 234, 0.2) !important;
    color: #D8B4FE !important;
}

.feature-badge.badge-green {
    background: #ECFDF5 !important;
    color: #059669 !important;
}
:root.dark .feature-badge.badge-green {
    background: rgba(16, 185, 129, 0.2) !important;
    color: #6EE7B7 !important;
}

.feature-badge.badge-amber {
    background: #FFFBEB !important;
    color: #D97706 !important;
}
:root.dark .feature-badge.badge-amber {
    background: rgba(245, 158, 11, 0.2) !important;
    color: #FDE68A !important;
}

.feature-card-title {
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    margin-top: 0 !important;
    margin-bottom: 0.45rem !important;
    line-height: 1.3 !important;
    font-family: 'Outfit', sans-serif !important;
}

.feature-card-desc {
    font-size: 0.775rem !important;
    color: #64748B !important;
    line-height: 1.5 !important;
    margin: 0 !important;
}

:root.dark .feature-card-desc {
    color: #94A3B8 !important;
}



/* ==========================================================================
   FEATURES SECTION - ENTERPRISE GRADE & SPACIOUS (MATCHING DESIGN.MD)
   ========================================================================== */
#features {
    max-width: 1240px !important;
    width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-bottom: 4.5rem !important;
}

#features .section-header {
    text-align: center !important;
    margin-bottom: 2.5rem !important;
}

#features .section-title {
    font-size: 2.25rem !important;
    font-weight: 800 !important;
    letter-spacing: -0.025em !important;
    color: var(--text-primary) !important;
}

#features .section-subtitle {
    font-size: 1.05rem !important;
    color: var(--text-secondary) !important;
    margin-top: 0.5rem !important;
}

.enterprise-badge {
    display: inline-block !important;
    padding: 0.35rem 1rem !important;
    border-radius: 9999px !important;
    font-size: 0.75rem !important;
    font-weight: 750 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    background: #F3E8FF !important;
    color: #7E22CE !important;
    margin-bottom: 0.85rem !important;
}

:root.dark .enterprise-badge {
    background: rgba(147, 51, 234, 0.22) !important;
    color: #D8B4FE !important;
}

.features-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 1.5rem !important;
    width: 100% !important;
    max-width: 1240px !important;
    margin: 0 auto !important;
}

.feature-card {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-subtle) !important;
    border-radius: 24px !important;
    padding: 1.75rem 1.5rem !important;
    min-height: 220px !important;
    display: flex !important;
    flex-direction: column !important;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    position: relative !important;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03) !important;
}

:root.dark .feature-card {
    background: rgba(30, 41, 59, 0.6) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.feature-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 12px 30px -4px rgba(0, 0, 0, 0.08) !important;
    border-color: rgba(99, 102, 241, 0.4) !important;
}

.feature-card-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 1.25rem !important;
}

.feature-icon-box {
    width: 48px !important;
    height: 48px !important;
    border-radius: 14px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
}

.feature-icon-box svg {
    width: 24px !important;
    height: 24px !important;
}

.feature-icon-box.icon-blue {
    background: #EEF2FF !important;
    color: #4F46E5 !important;
}
:root.dark .feature-icon-box.icon-blue {
    background: rgba(79, 70, 229, 0.18) !important;
    color: #818CF8 !important;
}

.feature-icon-box.icon-purple {
    background: #FAF5FF !important;
    color: #9333EA !important;
}
:root.dark .feature-icon-box.icon-purple {
    background: rgba(147, 51, 234, 0.18) !important;
    color: #C084FC !important;
}

.feature-icon-box.icon-emerald {
    background: #ECFDF5 !important;
    color: #059669 !important;
}
:root.dark .feature-icon-box.icon-emerald {
    background: rgba(5, 150, 105, 0.18) !important;
    color: #34D399 !important;
}

.feature-icon-box.icon-amber {
    background: #FFFBEB !important;
    color: #D97706 !important;
}
:root.dark .feature-icon-box.icon-amber {
    background: rgba(217, 119, 6, 0.18) !important;
    color: #FBBF24 !important;
}

.feature-badge-pill {
    font-size: 0.75rem !important;
    font-weight: 650 !important;
    padding: 0.3rem 0.8rem !important;
    border-radius: 9999px !important;
    letter-spacing: 0.01em !important;
}

.pill-blue {
    background: #EEF2FF !important;
    color: #4338CA !important;
}
:root.dark .pill-blue {
    background: rgba(67, 56, 202, 0.22) !important;
    color: #A5B4FC !important;
}

.pill-purple {
    background: #FAF5FF !important;
    color: #7E22CE !important;
}
:root.dark .pill-purple {
    background: rgba(126, 34, 206, 0.22) !important;
    color: #D8B4FE !important;
}

.pill-emerald {
    background: #ECFDF5 !important;
    color: #047857 !important;
}
:root.dark .pill-emerald {
    background: rgba(4, 120, 87, 0.22) !important;
    color: #6EE7B7 !important;
}

.pill-amber {
    background: #FFFBEB !important;
    color: #B45309 !important;
}
:root.dark .pill-amber {
    background: rgba(180, 83, 9, 0.22) !important;
    color: #FCD34D !important;
}

.feature-title {
    font-size: 1.15rem !important;
    font-weight: 750 !important;
    color: var(--text-primary) !important;
    margin-bottom: 0.65rem !important;
    letter-spacing: -0.01em !important;
    line-height: 1.35 !important;
}

.feature-description {
    font-size: 0.88rem !important;
    color: var(--text-secondary) !important;
    line-height: 1.55 !important;
    margin: 0 !important;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.25rem !important;
    }
}
@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
}