/**
 * PDF-Ninja.io - Stripe-Inspired Design System
 * Light theme, clean typography, subtle shadows
 */

/* ========================================
   CSS Variables
   ======================================== */

:root {
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f6f9fc;
    --bg-card: #ffffff;
    --bg-glass: #ffffff;
    --bg-accent: #f6f9fc;
    --bg-hover: #f0eeff;

    /* Borders */
    --border-color: #e3e8ee;
    --border-secondary: #cfd7df;

    /* Text */
    --text-primary: #0a2540;
    --text-secondary: #425466;
    --text-muted: #697386;

    /* Accent Colors */
    --accent-primary: #635bff;
    --accent-secondary: #00d4ff;
    --accent-tertiary: #00d4ff;
    --accent-pink: #ff5e9c;
    --accent-success: #00d924;
    --accent-warning: #ff9500;
    --accent-error: #df1b41;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #635bff 0%, #4b44d6 100%);
    --gradient-secondary: linear-gradient(135deg, #00d4ff 0%, #635bff 100%);
    --gradient-success: linear-gradient(135deg, #00d924 0%, #00b81f 100%);
    --gradient-warning: linear-gradient(135deg, #ff9500 0%, #ff7a00 100%);
    --gradient-error: linear-gradient(135deg, #df1b41 0%, #c01939 100%);
    --gradient-rainbow: linear-gradient(135deg, #00d4ff 0%, #635bff 50%, #ff5e9c 100%);
    --gradient-text: linear-gradient(135deg, #0a2540 0%, #635bff 100%);

    /* Hover & Interactive */
    --hover-bg: #f6f9fc;
    --hover-border: #635bff;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(60,66,87,0.08), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(50,50,93,0.07), 0 1px 3px rgba(0,0,0,0.05);
    --shadow-lg: 0 13px 27px -5px rgba(50,50,93,0.18), 0 8px 16px -8px rgba(0,0,0,0.18);
    --shadow-xl: 0 30px 60px -12px rgba(50,50,93,0.22), 0 18px 36px -18px rgba(0,0,0,0.22);
    --shadow-glow: 0 0 0 4px rgba(99, 91, 255, 0.15);
    --shadow-glow-secondary: 0 0 0 4px rgba(0, 212, 255, 0.15);
    --shadow-glow-cyan: 0 0 0 4px rgba(0, 212, 255, 0.15);

    /* Blur (unused, kept for var compatibility) */
    --blur-amount: 0px;

    /* Transitions */
    --transition-fast: 0.12s ease;
    --transition-normal: 0.18s ease;
    --transition-bounce: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Base Styles
   ======================================== */

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

body {
    font-family: 'Inter', 'Graphik', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

h1 { letter-spacing: -0.022em; }
h2 { letter-spacing: -0.018em; }
h3 { letter-spacing: -0.014em; }

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #4b44d6;
}

/* ========================================
   Gradient Text Effect
   ======================================== */

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-alt {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Cards
   ======================================== */

.card,
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    transition: transform var(--transition-bounce), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.card:hover,
.glass-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.card-glow:hover { box-shadow: var(--shadow-lg); }
.card-glow-secondary:hover { box-shadow: var(--shadow-lg); }
.card-glow-cyan:hover { box-shadow: var(--shadow-lg); }

/* ========================================
   Buttons
   ======================================== */

.btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid transparent;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    line-height: 1.4;
    font-family: inherit;
}

.btn-primary {
    background: #635bff;
    color: white;
    border-color: #635bff;
}

.btn-primary:hover {
    background: #4b44d6;
    border-color: #4b44d6;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(50,50,93,0.12);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(50,50,93,0.12);
    color: white;
}

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

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(50,50,93,0.12);
    color: white;
}

.btn-outline {
    background: white;
    border: 1px solid #e3e8ee;
    color: #0a2540;
}

.btn-outline:hover {
    border-color: #635bff;
    color: #635bff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-ghost {
    background: transparent;
    border: 1px solid transparent;
    color: #635bff;
}

.btn-ghost:hover {
    background: #f6f9fc;
    color: #4b44d6;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 6px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ========================================
   Upload Zone
   ======================================== */

.upload-section {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    max-width: 600px;
    margin: 0 auto;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.upload-section:hover {
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

.upload-area {
    border: 2px dashed #cfd7df;
    border-radius: 12px;
    padding: 48px 32px;
    background: #f6f9fc;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-align: center;
    position: relative;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: #635bff;
    background: #f0eeff;
}

.upload-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--accent-primary);
}

.upload-icon svg {
    width: 100%;
    height: 100%;
}

.upload-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.014em;
}

.upload-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.upload-or {
    font-size: 13px;
    color: var(--text-muted);
    margin: 16px 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

.upload-or::before,
.upload-or::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.upload-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    background: #635bff;
    color: white;
    border: 1px solid #635bff;
    border-radius: 6px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-button:hover {
    background: #4b44d6;
    border-color: #4b44d6;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(50,50,93,0.12);
}

.upload-features {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.upload-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.upload-feature svg {
    width: 16px;
    height: 16px;
    color: var(--accent-success);
}

/* ========================================
   Form Elements
   ======================================== */

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e3e8ee;
    border-radius: 6px;
    background: white;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #635bff;
    box-shadow: 0 0 0 4px rgba(99,91,255,0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

input[type="checkbox"],
input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* ========================================
   Section Styles
   ======================================== */

.section {
    padding: 96px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.018em;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Alt section background utility */
.bg-alt {
    background: var(--bg-tertiary);
}

/* ========================================
   Tool Cards Grid
   ======================================== */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.tool-card {
    background: white;
    border: 1px solid #e3e8ee;
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-bounce), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.tool-card:hover {
    transform: translateY(-2px);
    border-color: #cfd7df;
    box-shadow: var(--shadow-lg);
}

.tool-card-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 22px;
    color: white;
    transition: transform var(--transition-bounce);
}

.tool-card:hover .tool-card-icon {
    transform: scale(1.05);
}

.tool-card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.011em;
}

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

/* Badge for NEW/POPULAR */
.tool-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-badge-new {
    background: var(--gradient-success);
    color: white;
}

.tool-badge-popular {
    background: var(--gradient-primary);
    color: white;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

.container-narrow {
    max-width: 1000px;
    margin: 0 auto;
    padding: 32px 24px;
}

.container-wide {
    max-width: 1600px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ========================================
   Grid System
   ======================================== */

.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   Alert Messages
   ======================================== */

.alert {
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid transparent;
}

.alert-info {
    background: #f0eeff;
    border-color: rgba(99, 91, 255, 0.2);
    color: #4b44d6;
}

.alert-success {
    background: #ebfbed;
    border-color: rgba(0, 217, 36, 0.2);
    color: #00871a;
}

.alert-warning {
    background: #fff5e6;
    border-color: rgba(255, 149, 0, 0.25);
    color: #b36800;
}

.alert-error {
    background: #fde8ec;
    border-color: rgba(223, 27, 65, 0.2);
    color: #b21434;
}

/* ========================================
   Progress Bar
   ======================================== */

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 6px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ========================================
   Badges
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.badge-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.badge-secondary {
    background: var(--gradient-secondary);
    color: white;
    border-color: transparent;
}

.badge-success {
    background: var(--gradient-success);
    color: white;
    border-color: transparent;
}

/* ========================================
   Tooltips
   ======================================== */

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: #0a2540;
    color: #ffffff;
    font-size: 12px;
    white-space: nowrap;
    border-radius: 6px;
    margin-bottom: 8px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    animation: tooltipIn 0.2s ease;
}

@keyframes tooltipIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden { display: none !important; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-primary); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.fade-in { animation: fadeIn 0.3s ease; }
.slide-up { animation: slideUp 0.4s ease; }
.scale-in { animation: scaleIn 0.3s ease; }
.float { animation: float 3s ease-in-out infinite; }
.pulse { animation: pulse 2s ease-in-out infinite; }

/* Animated Gradient Background (Stripe palette) */
.gradient-bg {
    background: linear-gradient(-45deg, #635bff, #00d4ff, #ff5e9c, #635bff);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Stripe-style hero mesh gradient */
.stripe-gradient-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(99, 91, 255, 0.18), transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 30%, rgba(0, 212, 255, 0.14), transparent 60%),
        radial-gradient(ellipse 50% 30% at 20% 40%, rgba(255, 94, 156, 0.10), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: clamp(40px, 5vw, 72px);
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
    line-height: 1.05;
    background: linear-gradient(135deg, #0a2540 0%, #635bff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.5;
    letter-spacing: -0.011em;
}

/* ========================================
   Feature List
   ======================================== */

.features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: transform var(--transition-bounce), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-item:hover {
    transform: translateY(-2px);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.feature-text {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ========================================
   Loading States
   ======================================== */

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   Tables
   ======================================== */

.table-container {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

th {
    background: #f6f9fc;
    font-weight: 600;
    color: #425466;
    font-size: 13px;
    text-transform: none;
    letter-spacing: normal;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--hover-bg);
}

/* ========================================
   Modals
   ======================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 37, 64, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    max-width: 500px;
    width: calc(100% - 40px);
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px) scale(0.96);
    transition: transform var(--transition-bounce);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ========================================
   Pricing Cards
   ======================================== */

.pricing-card {
    background: white;
    border: 1px solid #e3e8ee;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: transform var(--transition-bounce), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-secondary);
}

.pricing-card.featured {
    border: 2px solid #635bff;
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 14px;
    background: var(--gradient-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 16px 0;
    letter-spacing: -0.022em;
    line-height: 1;
}

.pricing-price span {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-muted);
}

/* ========================================
   Ad Container
   ======================================== */

.ad-container {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    margin: 32px auto;
    max-width: 1200px;
}

/* Premium Users - Hide Ads */
body.no-ads .ad-container,
body.no-ads .adsbygoogle,
body.no-ads [data-ad-client] {
    display: none !important;
}

/* ========================================
   User Plan Badges
   ======================================== */

.user-plan-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-plan-badge.plan-premium {
    background: var(--gradient-primary);
    color: white;
}

.user-plan-badge.plan-business {
    background: var(--gradient-secondary);
    color: white;
}

/* ========================================
   Scrollbar Styling
   ======================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .section-title { font-size: 32px; }
}

@media (max-width: 1024px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .container { padding: 24px 20px; }
    .section { padding: 80px 0; }
    .hero { padding: 96px 0 64px; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
    .section-title { font-size: 28px; }
    .section-subtitle { font-size: 16px; }
    .upload-area { padding: 32px 20px; }
    .tools-grid { grid-template-columns: 1fr; }
    .hero { padding: 72px 0 48px; }
    .hero-subtitle { font-size: 17px; }
}

@media (max-width: 480px) {
    .container { padding: 16px 12px; }
    .section { padding: 48px 0; }
    .section-title { font-size: 24px; }
    .btn { padding: 8px 14px; font-size: 13px; }
    .btn-lg { padding: 10px 20px; font-size: 14px; }
    .card, .glass-card { padding: 20px; border-radius: 10px; }
    .tool-card { padding: 20px; }
    .pricing-card { padding: 24px; }
    .modal-content { padding: 24px; }
}

/* ========================================
   Reduced Motion
   ======================================== */

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

/* ========================================
   Tool Page Common Structure (iLovePDF style)
   ========================================
   Apply by wrapping a tool page like this:

   <main class="tool-page">
     <section class="tool-hero">
       <div class="tool-hero-icon">SVG</div>
       <h1 class="tool-hero-title">Title</h1>
       <p class="tool-hero-description">Description</p>
     </section>
     <section class="tool-workspace">
       <div class="tool-layout">
         <div class="tool-main">UPLOAD/FILES/PREVIEW</div>
         <aside class="tool-sidebar">OPTIONS + CTA</aside>
       </div>
     </section>
     <section class="tool-info">
       HOW-TO + FAQ + RELATED
     </section>
   </main>
   ======================================== */

.tool-page {
    width: 100%;
    background: var(--bg-primary);
}

/* HERO ----------------------------------- */
.tool-hero {
    text-align: center;
    padding: 64px 24px 32px;
    max-width: 760px;
    margin: 0 auto;
    position: relative;
}

.tool-page .tool-hero-icon,
.tool-hero .tool-hero-icon {
    width: 72px !important;
    height: 72px !important;
    min-width: 72px;
    min-height: 72px;
    max-width: 72px;
    max-height: 72px;
    margin: 0 auto 20px !important;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, #635bff 0%, #4b44d6 100%);
    color: white;
    box-shadow: 0 10px 24px -8px rgba(99, 91, 255, 0.45);
    flex-shrink: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.tool-page .tool-hero-icon > svg,
.tool-hero .tool-hero-icon > svg {
    width: 36px !important;
    height: 36px !important;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.tool-page .tool-hero-icon.icon-filled > svg,
.tool-hero .tool-hero-icon.icon-filled > svg {
    fill: currentColor;
    stroke: none;
}

.tool-hero-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
    color: var(--text-primary);
    margin: 0 0 16px;
}

.tool-hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 640px;
    margin: 0 auto;
}

/* WORKSPACE ------------------------------ */
.tool-workspace {
    padding: 16px 24px 64px;
    max-width: 1280px;
    margin: 0 auto;
}

.tool-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 24px;
    align-items: start;
}

.tool-layout--single {
    grid-template-columns: minmax(0, 880px);
    justify-content: center;
}

.tool-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tool-sidebar {
    position: sticky;
    top: 88px;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (max-width: 1024px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }
    .tool-sidebar {
        position: static;
    }
}

/* PANEL — generic card used inside tool-main / tool-sidebar */
.tool-panel {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.tool-panel--padded { padding: 32px; }
.tool-panel--flush  { padding: 0; }

.tool-panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 16px;
}

.tool-panel-section + .tool-panel-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* CTA bar inside sidebar */
.tool-cta-bar {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-md);
}

.tool-cta-bar .btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
}

/* INFO SECTION (how-to + faq + related) -- */
.tool-info {
    background: var(--bg-tertiary);
    padding: 80px 24px;
    margin-top: 64px;
    border-top: 1px solid var(--border-color);
}

.tool-info-inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.tool-info h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-align: center;
    margin: 0 0 8px;
}

.tool-info-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.how-to-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

@media (max-width: 768px) {
    .how-to-steps {
        grid-template-columns: 1fr;
    }
    .tool-info { padding: 56px 20px; }
}

.how-to-step {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    text-align: left;
    transition: all var(--transition-normal);
}

.how-to-step:hover {
    transform: translateY(-2px);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.how-to-step .step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 16px;
}

.how-to-step h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.how-to-step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0;
}

/* Tool grid (used on hub pages, all-tools, related) */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.tool-grid-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

.tool-grid-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.tool-grid-card-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #635bff 0%, #4b44d6 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-grid-card-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-grid-card-icon.icon-filled svg {
    fill: currentColor;
    stroke: none;
}

.tool-grid-card-text { min-width: 0; }

.tool-grid-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px;
}

.tool-grid-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.45;
    margin: 0;
}

/* Hero icon color variants — used to tint the hero badge per tool category */
/* ========================================
   Compact App Tool Layout (Stripe + iLovePDF)
   ========================================
   Use for tool pages where the user works with files. No big hero — instead,
   a tight top bar (~64px) and a 2-column workspace that fills the viewport.
   Files/preview goes left, options + primary action go right.

   <main class="tool-app">
     <div class="tool-app-bar">
       <div class="tool-app-bar-inner">
         <div class="tool-app-bar-icon"><?= getToolIcon('xxx') ?></div>
         <div>
           <h1 class="tool-app-bar-title">Title</h1>
           <p class="tool-app-bar-subtitle">Subtitle</p>
         </div>
         <div class="tool-app-bar-actions">…optional buttons…</div>
       </div>
     </div>
     <div class="tool-app-workspace">
       <section class="tool-app-main">
         <div class="tool-app-main-scroll">…files / drop zone / preview…</div>
       </section>
       <aside class="tool-app-aside">
         <div class="tool-app-aside-scroll">…all options panels…</div>
         <div class="tool-app-aside-cta"><button class="btn btn-primary">Action</button></div>
       </aside>
     </div>
     <!-- optional <section class="tool-info"> for SEO content below -->
   </main>
   ======================================== */

.tool-app {
    width: 100%;
    background: var(--bg-tertiary);
    min-height: calc(100vh - 64px);
}

/* Top bar — tight, sticky just below the site header */
.tool-app-bar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    position: sticky;
    top: 64px;
    z-index: 40;
}

.tool-app-bar-inner {
    max-width: 1480px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
}

.tool-app-bar-icon {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px;
    min-height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #635bff 0%, #4b44d6 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px -3px rgba(99, 91, 255, 0.4);
}

.tool-app-bar-icon > svg {
    width: 22px !important;
    height: 22px !important;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-app-bar-icon.icon-filled > svg { fill: currentColor; stroke: none; }

/* Color variants for the top-bar icon */
.tool-app-bar-icon.icon-organize { background: linear-gradient(135deg, #635bff 0%, #4b44d6 100%); }
.tool-app-bar-icon.icon-optimize { background: linear-gradient(135deg, #00d924 0%, #00b81f 100%); box-shadow: 0 4px 10px -3px rgba(0,217,36,0.40); }
.tool-app-bar-icon.icon-convert  { background: linear-gradient(135deg, #00d4ff 0%, #635bff 100%); box-shadow: 0 4px 10px -3px rgba(0,212,255,0.40); }
.tool-app-bar-icon.icon-edit     { background: linear-gradient(135deg, #ff9500 0%, #ff5e9c 100%); box-shadow: 0 4px 10px -3px rgba(255,149,0,0.40); }
.tool-app-bar-icon.icon-security { background: linear-gradient(135deg, #df1b41 0%, #c01939 100%); box-shadow: 0 4px 10px -3px rgba(223,27,65,0.40); }
.tool-app-bar-icon.icon-ai       { background: linear-gradient(135deg, #635bff 0%, #00d4ff 100%); box-shadow: 0 4px 10px -3px rgba(99,91,255,0.40); }

.tool-app-bar-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0;
    letter-spacing: -0.01em;
}

.tool-app-bar-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.3;
    margin: 0;
}

.tool-app-bar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Workspace — 2-column, fills the rest of the viewport */
.tool-app-workspace {
    max-width: 1480px;
    margin: 0 auto;
    padding: 16px 24px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 16px;
    align-items: stretch;
    /* Pin the workspace to roughly fill the viewport: header (64) + bar (~64) */
    min-height: calc(100vh - 64px - 64px - 16px);
}

.tool-app-main {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    min-height: 480px;
    overflow: hidden;
}

.tool-app-main-scroll {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 24px;
    min-height: 0;
}

.tool-app-aside {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 152px; /* site header (64) + tool-app-bar (~64) + workspace top padding (16) + small gap */
    align-self: start;
    max-height: calc(100vh - 64px - 64px - 32px);
    overflow: hidden;
}

.tool-app-aside-scroll {
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px;
    min-height: 0;
    min-width: 0;
}

.tool-app-aside-cta {
    flex-shrink: 0;
    padding: 14px 20px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.tool-app-aside-cta .btn,
.tool-app-aside-cta button {
    width: 100%;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
}

/* Section grouping inside the aside scroll */
.tool-app-section {
    margin-bottom: 20px;
}

.tool-app-section + .tool-app-section {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.tool-app-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 12px;
}

/* Inline form controls inside aside — compact for narrow 360px sidebar
   Uses CSS Grid (auto + 1fr) which is bulletproof against text overflow,
   unlike flex which needs min-width:0 plumbing on every child. */
.tool-app-aside .option-card,
.tool-app-aside .size-option,
.tool-app-aside .quality-option,
.tool-app-aside .format-option,
.tool-app-aside .mode-option {
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr) !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 12px !important;
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    cursor: pointer;
    margin-bottom: 6px !important;
    transition: all 0.15s ease;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
}

.tool-app-aside .size-option > input[type="radio"],
.tool-app-aside .option-card > input[type="radio"],
.tool-app-aside .quality-option > input[type="radio"],
.tool-app-aside .format-option > input[type="radio"],
.tool-app-aside .mode-option > input[type="radio"] {
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
    padding: 0 !important;
    accent-color: var(--accent-primary);
    flex-shrink: 0;
}

.tool-app-aside .size-option-content,
.tool-app-aside .option-card-content,
.tool-app-aside .quality-option-content,
.tool-app-aside .format-option-content {
    min-width: 0 !important;
    width: 100% !important;
    display: block !important;
    overflow-wrap: break-word !important;
    word-break: normal !important;
}

.tool-app-aside .size-option-title,
.tool-app-aside .option-card-title,
.tool-app-aside .quality-option-title,
.tool-app-aside .format-option-title {
    font-size: 13px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    line-height: 1.3 !important;
    margin: 0 0 2px !important;
}

.tool-app-aside .size-option-desc,
.tool-app-aside .option-card-desc,
.tool-app-aside .quality-option-desc,
.tool-app-aside .format-option-desc {
    font-size: 11.5px !important;
    color: var(--text-secondary) !important;
    line-height: 1.35 !important;
    margin: 0 !important;
}

.tool-app-aside .option-card:hover,
.tool-app-aside .size-option:hover,
.tool-app-aside .quality-option:hover,
.tool-app-aside .format-option:hover,
.tool-app-aside .mode-option:hover {
    border-color: var(--border-secondary);
}

.tool-app-aside .option-card.selected,
.tool-app-aside .size-option.selected,
.tool-app-aside .quality-option.selected,
.tool-app-aside .format-option.selected,
.tool-app-aside .mode-option.selected,
.tool-app-aside .size-option:has(input:checked),
.tool-app-aside .quality-option:has(input:checked),
.tool-app-aside .format-option:has(input:checked),
.tool-app-aside .option-card:has(input:checked),
.tool-app-aside .mode-option:has(input:checked) {
    border-color: var(--accent-primary) !important;
    background: rgba(99, 91, 255, 0.06) !important;
    box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.10) !important;
}

/* Compact info note inside aside */
.tool-app-aside .info-note {
    background: rgba(99, 91, 255, 0.06) !important;
    border: 1px solid rgba(99, 91, 255, 0.20) !important;
    border-radius: 8px !important;
    padding: 12px 14px !important;
    margin: 0 !important;
}
.tool-app-aside .info-note-title {
    font-size: 12px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 4px !important;
}
.tool-app-aside .info-note-text {
    font-size: 11.5px !important;
    color: var(--text-secondary) !important;
    line-height: 1.5 !important;
}

/* Compact form-group / label inside aside */
.tool-app-aside .form-group {
    margin-bottom: 14px;
}
.tool-app-aside .form-label,
.tool-app-aside label.form-label {
    display: block !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    color: var(--text-secondary) !important;
    margin-bottom: 8px !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Empty drop-zone state inside main */
.tool-app-dropzone {
    border: 2px dashed var(--border-secondary);
    border-radius: 12px;
    background: var(--bg-tertiary);
    padding: 56px 32px;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 360px;
}

.tool-app-dropzone:hover,
.tool-app-dropzone.dragover {
    border-color: var(--accent-primary);
    background: #f5f3ff;
}

.tool-app-dropzone-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(99, 91, 255, 0.10);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.tool-app-dropzone-icon > svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-app-dropzone-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.tool-app-dropzone-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 20px;
}

.tool-app-dropzone-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent-primary);
    color: white;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.tool-app-dropzone-cta:hover { background: #4b44d6; }

.tool-app-dropzone-features {
    margin-top: 18px;
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.tool-app-dropzone-features span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Mobile collapse */
@media (max-width: 1024px) {
    .tool-app-workspace {
        grid-template-columns: 1fr;
        min-height: 0;
    }
    .tool-app-aside {
        position: static;
        max-height: none;
    }
    .tool-app-bar {
        position: static;
    }
}

/* Hide the legacy big hero on pages that adopt the compact layout */
.tool-app .tool-hero { display: none; }

.tool-hero-icon.icon-organize { background: linear-gradient(135deg, #635bff 0%, #4b44d6 100%); box-shadow: 0 10px 24px -8px rgba(99,91,255,0.45); }
.tool-hero-icon.icon-optimize { background: linear-gradient(135deg, #00d924 0%, #00b81f 100%); box-shadow: 0 10px 24px -8px rgba(0,217,36,0.40); }
.tool-hero-icon.icon-convert  { background: linear-gradient(135deg, #00d4ff 0%, #635bff 100%); box-shadow: 0 10px 24px -8px rgba(0,212,255,0.45); }
.tool-hero-icon.icon-edit     { background: linear-gradient(135deg, #ff9500 0%, #ff5e9c 100%); box-shadow: 0 10px 24px -8px rgba(255,149,0,0.40); }
.tool-hero-icon.icon-security { background: linear-gradient(135deg, #df1b41 0%, #c01939 100%); box-shadow: 0 10px 24px -8px rgba(223,27,65,0.40); }
.tool-hero-icon.icon-ai       { background: linear-gradient(135deg, #635bff 0%, #00d4ff 100%); box-shadow: 0 10px 24px -8px rgba(99,91,255,0.45); }