/* Inversium Clean Minimalist Light Style Sheet */
/* Inspired by antigravity.google - White backgrounds, clean borders, professional typography */

:root {
    --bg-color: #ffffff;
    --bg-alt: #f8f9fa;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-border-hover: #cbd5e1;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --accent-color: #1a73e8; /* Google Blue */
    --accent-hover: #1557b0;
    --accent-glow: rgba(26, 115, 232, 0.15);
    --success-color: #0f9d58; /* Google Green */
    --success-bg: #e6f4ea;
    --danger-color: #d93025; /* Google Red */
    --radius-lg: 8px;
    --radius-md: 6px;
    --radius-sm: 4px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header & Navbar */
.navbar {
    border-bottom: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--accent-color);
    margin-right: 1px;
}

.nav-toggle {
    display: none;
}

/* Nav Links & Dropdowns */
.nav-links {
    display: flex;
    align-items: center;
    flex: 1;
    /* Push content to center by using a pseudo flex-group trick:
       category items sit in a flex group that is absolutely centered,
       nav-right is pushed to the far right via margin-left: auto */
}

/* Wrap all category nav-item-wrappers in a centered group */
.nav-center {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.nav-item-wrapper {
    position: relative;
    padding: 8px 0;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover, .nav-item-wrapper:hover .nav-link {
    color: var(--text-color);
    background-color: var(--bg-alt);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Minimal Dropdown selects */
.nav-select {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    padding: 4px 8px;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.nav-select:hover {
    color: var(--text-color);
    background: var(--bg-alt);
    border-color: var(--card-border);
}

.nav-select option {
    background-color: #ffffff;
    color: var(--text-color);
}

/* User avatar button */
.profile-btn {
    font-size: 22px;
    color: var(--text-muted);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    padding: 4px;
    border-radius: 50%;
}

.profile-btn:hover {
    color: var(--accent-color);
    background: var(--bg-alt);
    transform: scale(1.05);
}

/* --- MEGA MENU DESIGN --- */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 500px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
    z-index: 1000;
}

/* Large wide mega menu for Billed */
.nav-item-wrapper:hover .mega-menu,
.nav-item-wrapper.active .mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

/* Wide 3-column mega menus (Image & Video) */
.mega-menu-wide {
    width: 620px;
    grid-template-columns: 1fr 1fr 1fr;
}

.mega-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mega-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--bg-alt);
    padding-bottom: 6px;
}

.mega-convert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 4px;
}

.mega-item-box {
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 6px 4px;
    font-size: 11px;
    font-weight: 500;
    text-align: center;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.mega-item-box:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: var(--accent-glow);
}

.mega-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-decoration: none;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
}

.mega-item:hover {
    background-color: var(--bg-alt);
}

.mega-icon {
    font-size: 16px;
    color: var(--accent-color);
    margin-top: 2px;
}

.mega-item-text {
    display: flex;
    flex-direction: column;
}

.mega-item-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
}

.mega-item-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.3;
    margin-top: 2px;
}

/* Hero Section */
.hero-section {
    padding: 60px 0 40px 0;
    background-color: var(--bg-color);
}

.hero-text {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.hero-title {
    font-size: 44px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 16px;
    color: var(--text-color);
}

.highlight-text {
    font-weight: 600;
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- INTERACTIVE COMPARISON SLIDER (SHOWCASE) --- */
.showcase-wrapper {
    max-width: 760px;
    margin: 0 auto 60px auto;
}

/* Showcase Tabs */
.showcase-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.showcase-tab {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font);
    font-size: 13.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.01);
}

.showcase-tab:hover {
    color: var(--text-color);
    border-color: var(--card-border-hover);
}

.showcase-tab.active {
    background: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.showcase-slider-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/10;
    cursor: ew-resize;
    --clip-pos: 50%;
    user-select: none;
    -webkit-user-select: none;
}

.showcase-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.showcase-after {
    z-index: 1;
}

.showcase-before {
    z-index: 2;
    image-rendering: pixelated;
    clip-path: polygon(0 0, var(--clip-pos) 0, var(--clip-pos) 100%, 0 100%);
}

/* The vertical handle bar */
.showcase-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(-50%);
    z-index: 10;
}

.showcase-handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    font-size: 11px;
    pointer-events: none;
}

/* Labels on slider */
.slider-label {
    position: absolute;
    bottom: 16px;
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    z-index: 5;
    pointer-events: none;
}

.label-before {
    left: 16px;
}

.label-after {
    right: 16px;
}

/* --- EDITOR WORKSPACE SECTION --- */
.editor-section {
    background-color: var(--bg-alt);
    padding: 40px 0 80px 0;
}

.editor-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    min-height: 340px;
    display: flex;
    overflow: hidden;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

/* Dropzone Area */
.dropzone-area {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 30px;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    border: 2px dashed var(--card-border);
    border-radius: var(--radius-lg);
    margin: 12px;
    background-color: var(--bg-color);
}

.dropzone-area:hover, .dropzone-area.dragover {
    border-color: var(--accent-color);
    background-color: var(--bg-alt);
}

.file-hidden {
    display: none;
}

.dropzone-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-alt);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.dropzone-area:hover .upload-icon-wrapper {
    background: var(--accent-glow);
    border-color: var(--accent-color);
}

.upload-icon {
    font-size: 24px;
    color: var(--text-muted);
    transition: var(--transition);
}

.dropzone-area:hover .upload-icon {
    color: var(--accent-color);
}

.dropzone-content h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
}

.dropzone-content p {
    color: var(--text-muted);
    font-size: 13px;
    max-width: 380px;
    margin-bottom: 20px;
}

.badge-protocol {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--success-bg);
    border: 1px solid rgba(15, 157, 88, 0.15);
    padding: 6px 12px;
    border-radius: 20px;
    color: var(--success-color);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-icon {
    font-size: 12px;
}

/* Workspace Area */
.workspace-area {
    width: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    height: 100%;
}

@media (max-width: 768px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
    .mega-menu {
        width: 320px;
        grid-template-columns: 1fr;
    }
    .mega-menu-wide {
        width: 320px;
        grid-template-columns: 1fr;
    }
}

/* Left Pane: Preview */
.preview-pane {
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    max-height: 380px;
}

.preview-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.preview-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Slider comparison */
.comparison-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    --clip-pos: 50%;
}

.comparison-container img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.slider-after-img {
    z-index: 1;
}

.slider-before-img {
    z-index: 2;
    clip-path: polygon(0 0, var(--clip-pos) 0, var(--clip-pos) 100%, 0 100%);
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: white;
    cursor: ew-resize;
    transform: translateX(-50%);
    z-index: 10;
}

.slider-arrows {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    background: white;
    border: 1px solid var(--card-border);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    font-size: 10px;
    pointer-events: none;
}

/* Right Pane: Controls */
.controls-pane {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
}

.file-info-box {
    background: var(--bg-alt);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 12px;
}

.file-info-label {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    word-break: break-all;
}

.file-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-color);
    padding: 8px 12px;
    font-family: var(--font);
    font-size: 13px;
    outline: none;
    transition: var(--transition);
    cursor: pointer;
}

.form-select:focus {
    border-color: var(--accent-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    font-size: 13px;
    text-decoration: none;
    gap: 6px;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-color);
    border-color: var(--card-border);
}

.btn-secondary:hover {
    background: var(--bg-alt);
}

.btn-success {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-success:hover {
    background: #0b8043;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Progress / Status */
.progress-box {
    background: var(--bg-alt);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.status-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
}

.status-percent {
    color: var(--accent-color);
}

.progress-bar-bg {
    background: rgba(0, 0, 0, 0.06);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    background: var(--accent-color);
    height: 100%;
    width: 0%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.spinner-container {
    display: flex;
    justify-content: center;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.06);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 0.8s linear infinite;
}

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

/* Success Box */
.success-box {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.success-banner {
    background: var(--success-bg);
    border: 1px solid rgba(15, 157, 88, 0.15);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.success-icon {
    font-size: 18px;
    color: var(--success-color);
    margin-top: 2px;
}

.success-banner h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2px;
}

.success-banner p {
    font-size: 12px;
    color: var(--text-muted);
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 24px 0;
    text-align: center;
    background: #ffffff;
    font-size: 13px;
    color: var(--text-muted);
}

/* Utility classes */
.hidden {
    display: none !important;
}

/* --- FEATURE STUDIO SHOWCASE STYLES (/image & /video) --- */
.section-title-wrapper {
    text-align: center;
    margin-bottom: 32px;
}

.studio-section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
}

.studio-section-subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

.studio-grid-quality {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

.studio-grid-tools {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

@media (max-width: 992px) {
    .studio-grid-quality {
        grid-template-columns: 1fr;
    }
    .studio-grid-tools {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.feature-card-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.feature-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-card-title i {
    color: var(--accent-color);
}

.feature-card-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Feature Slider (Inside Card) */
.feature-slider-card {
    width: 100%;
    aspect-ratio: 16/10;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: ew-resize;
    --clip-pos: 50%;
    user-select: none;
    background: #eee;
    border: 1px solid var(--card-border);
    margin-top: auto;
}

.feature-slider-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.feature-slider-after {
    z-index: 1;
}

.feature-slider-before {
    z-index: 2;
    clip-path: polygon(0 0, var(--clip-pos) 0, var(--clip-pos) 100%, 0 100%);
}

.feature-slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(-50%);
    z-index: 10;
}

.feature-slider-handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    font-size: 9px;
    pointer-events: none;
}

.feature-slider-label {
    position: absolute;
    bottom: 12px;
    background: rgba(0, 0, 0, 0.65);
    color: #ffffff;
    font-size: 9px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    z-index: 5;
    font-weight: 500;
}

.feature-slider-label.label-before {
    left: 12px;
}

.feature-slider-label.label-after {
    right: 12px;
}

/* Specific CSS Filters for simulated sliders */
.filter-upscale-before {
    filter: blur(3px) contrast(0.95) saturate(0.9);
    image-rendering: pixelated;
}

.filter-sharpen-before {
    filter: blur(2px) contrast(0.9);
}

.filter-denoise-before {
    filter: contrast(0.95);
}

.filter-face-before {
    filter: blur(3px) brightness(0.9) contrast(0.9);
}

/* Fine noise overlay simulation for denoiser */
.noise-grain-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.22'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
    pointer-events: none;
    z-index: 3;
}

/* Tools Side-by-Side previews */
.tools-comparison-pane {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    aspect-ratio: 16/10;
    width: 100%;
    margin-top: auto;
}

.tool-preview-box {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--card-border);
    background: var(--bg-alt);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tool-preview-label {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 8px;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    z-index: 4;
}

/* Background removal transparency check background */
.checkerboard-bg {
    background-color: #f6f6f6;
    background-image: linear-gradient(45deg, #e0e0e0 25%, transparent 25%, transparent 75%, #e0e0e0 75%, #e0e0e0),
                      linear-gradient(45deg, #e0e0e0 25%, #f6f6f6 25%, #f6f6f6 75%, #e0e0e0 75%, #e0e0e0);
    background-size: 12px 12px;
    background-position: 0 0, 6px 6px;
}

/* Crop bounding box simulation */
.crop-overlay-box {
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    border: 2px dashed #ffffff;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
    z-index: 2;
    pointer-events: none;
}

/* Crop zoom simulation for right side */
.crop-zoomed-img {
    transform: scale(1.6);
    transform-origin: center center;
}

/* Face blur circles */
.face-blur-circle {
    position: absolute;
    top: 22%;
    left: 36%;
    width: 28%;
    height: 32%;
    border-radius: 50%;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.35);
    pointer-events: none;
    z-index: 2;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Premium Video Player Simulator UI for Video page */
.video-player-ui {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    pointer-events: none;
    z-index: 4;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 12px;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(26, 115, 232, 0.9);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    opacity: 0.85;
    transition: var(--transition);
}

.video-badge {
    align-self: flex-end;
    background: rgba(0,0,0,0.7);
    color: #ffffff;
    font-size: 9px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
}

.video-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    margin-top: auto;
}

.video-bar-fill {
    width: 42%;
    height: 100%;
    background: var(--accent-color);
}

/* Audio & 3D Hero sections */
.audio-hero, .3d-hero, .hero-3d {
    padding: 60px 0 40px 0;
    background-color: var(--bg-color);
}
.audio-hero-text, .3d-hero-text, .hero-3d-text {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px auto;
}
.audio-hero-title, .3d-hero-title, .hero-3d-title {
    font-size: 44px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 16px;
    color: var(--text-color);
}
.audio-hero-subtitle, .3d-hero-subtitle, .hero-3d-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Mobile responsive hamburger menu collapses & dropdown styles */
@media (max-width: 768px) {
    .nav-container {
        position: relative;
        padding: 12px 24px;
        height: 57px;
    }
    
    .nav-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text-color);
        font-size: 20px;
        cursor: pointer;
        padding: 8px;
        outline: none;
        order: 2;
        transition: var(--transition);
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 57px; /* height of the sticky navbar */
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--card-border);
        padding: 16px 24px;
        gap: 12px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
        z-index: 10000;
        max-height: calc(100vh - 57px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-links.active {
        display: flex;
    }

    .nav-center {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
    }
    
    .nav-item-wrapper {
        width: 100%;
        padding: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 10px 12px;
        justify-content: space-between;
    }
    
    .nav-right {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        gap: 16px;
        margin-left: 0;
        margin-bottom: 12px;
        padding-bottom: 12px;
        border-bottom: 1px solid var(--card-border);
        width: 100%;
        order: -1;
    }

    /* Profile icon comes first in mobile menu */
    .nav-right .profile-btn {
        order: -1;
        font-size: 26px;
    }

    /* On mobile: mega menus are fully hidden and NEVER intercept clicks */
    .mega-menu,
    .nav-item-wrapper:hover .mega-menu,
    .nav-item-wrapper.active .mega-menu {
        display: none !important;
        pointer-events: none !important;
        visibility: hidden !important;
    }

    /* Hide decorative chevrons on mobile */
    .nav-chevron {
        display: none;
    }
}

/* --- HOMEPAGE CATEGORIES SHOWCASE --- */
.categories-showcase-section {
    padding: 80px 0;
    background-color: var(--bg-color);
    border-top: 1px solid var(--card-border);
}

.showcase-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
}

.showcase-header h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.showcase-header p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
}

.showcase-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.showcase-card:hover {
    transform: translateY(-4px);
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.card-icon-title {
    display: flex;
    align-items: center;
    gap: 16px;
}

.category-badge-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.badge-image {
    background: rgba(26, 115, 232, 0.1);
    color: #1a73e8;
}

.badge-video {
    background: rgba(162, 28, 175, 0.1);
    color: #a21caf;
}

.badge-audio {
    background: rgba(15, 157, 88, 0.1);
    color: #0f9d58;
}

.badge-3d {
    background: rgba(234, 88, 12, 0.1);
    color: #ea580c;
}

.card-titles {
    display: flex;
    flex-direction: column;
}

.card-titles h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.card-titles span {
    font-size: 12px;
    color: var(--text-muted);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
    color: var(--text-color);
    line-height: 1.4;
}

.feature-check {
    font-size: 14px;
    color: var(--success-color);
    margin-top: 2px;
}

.card-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    background: var(--bg-alt);
    transition: var(--transition);
}

.card-btn:hover {
    background: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}