/*
Theme Name: FreePDF
Theme URI: https://freepdf.gr
Author: FreePDF Team
Author URI: https://freepdf.gr
Description: Δωρεάν Online PDF Εργαλεία - Μετατροπή, Συνένωση, Διαχωρισμός και πολλά άλλα. Free Online PDF Tools - Convert, Merge, Split and more.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: freepdf
Tags: pdf-tools, converter, one-column, custom-colors, custom-logo, featured-images, translation-ready
*/

/* ============================================
   COMPRESSION OPTIONS
   ============================================ */
.compression-options {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.compression-options h4 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-gray-700);
    font-size: 1rem;
}

.compression-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.compression-level {
    cursor: pointer;
}

.compression-level input {
    display: none;
}

.compression-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.compression-level input:checked + .compression-card {
    border-color: var(--color-primary);
    background: rgba(30, 64, 175, 0.05);
    box-shadow: var(--shadow-md);
}

.compression-card:hover {
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.compression-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.compression-icon svg {
    width: 24px;
    height: 24px;
}

.compression-icon.low {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.compression-icon.medium {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.compression-icon.high {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.compression-icon.extreme {
    background: rgba(124, 58, 237, 0.1);
    color: #7c3aed;
}

.compression-info {
    display: flex;
    flex-direction: column;
}

.compression-info strong {
    font-size: 0.9375rem;
    color: var(--color-gray-800);
}

.compression-info span {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.compression-info small {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    margin-top: 0.25rem;
}

.compression-note {
    text-align: center;
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

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

/* ============================================
   AD SPACES - STRATEGIC PLACEMENTS
   ============================================ */
.ad-space {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    padding: 1rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.ad-container {
    text-align: center;
    width: 100%;
    max-width: 100%;
}

.ad-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    min-height: 90px;
}

.ad-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ad-size {
    font-size: 0.625rem;
    color: var(--color-gray-300);
    margin-top: 0.25rem;
}

/* Ad Location Specific Styles */
.ad-header {
    margin: 0;
    padding: 0.5rem;
    background: transparent;
}

.ad-before-tools {
    margin-top: 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.ad-after-converter {
    margin: 3rem auto;
    max-width: 728px;
}

.ad-sidebar {
    position: sticky;
    top: 100px;
    margin: 0;
}

.ad-before-footer {
    margin-bottom: 0;
    background: var(--color-gray-100);
}

.ad-in-content {
    margin: 2rem -1rem;
    padding: 1.5rem;
}

/* Ad Size Classes */
.ad-size-leaderboard .ad-placeholder {
    min-height: 90px;
    max-width: 728px;
}

.ad-size-rectangle .ad-placeholder {
    min-height: 250px;
    max-width: 336px;
}

.ad-size-large-rectangle .ad-placeholder {
    min-height: 280px;
    max-width: 336px;
}

.ad-size-skyscraper .ad-placeholder {
    min-height: 600px;
    max-width: 160px;
}

.ad-size-banner .ad-placeholder {
    min-height: 60px;
    max-width: 468px;
}

/* Responsive Ad Styles */
@media (max-width: 768px) {
    .ad-space {
        margin: 1rem 0;
        padding: 0.5rem;
    }
    
    .ad-size-leaderboard .ad-placeholder,
    .ad-size-banner .ad-placeholder {
        max-width: 100%;
        min-height: 60px;
    }
}

/* Hide ad placeholders when ads are loaded */
.ad-space.ad-loaded .ad-placeholder {
    display: none;
}

/* ============================================
   CSS VARIABLES & DESIGN SYSTEM
   ============================================ */
:root {
    /* Primary Colors - Deep Blue & Vibrant Accent */
    --color-primary: #1e40af;
    --color-primary-dark: #1e3a8a;
    --color-primary-light: #3b82f6;
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    color: var(--color-primary-dark);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-sm {
    padding: var(--space-2xl) 0;
}

/* ============================================
   HEADER STYLES
   ============================================ */
.site-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-200);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.site-logo svg {
    width: 40px;
    height: 40px;
}

.site-logo span {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.main-nav a {
    font-weight: 500;
    color: var(--color-gray-600);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: var(--space-lg);
        display: none;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-4xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    backdrop-filter: blur(4px);
}

.hero-badge svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* ============================================
   TOOLS GRID
   ============================================ */
.tools-section {
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--color-gray-500);
    font-size: 1.125rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.tool-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--color-gray-100);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.tool-card:hover .tool-icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.tool-icon svg {
    width: 32px;
    height: 32px;
}

.tool-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.tool-card p {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Tool Colors */
.tool-card[data-tool="word-to-pdf"] .tool-icon { background: #dbeafe; color: #2563eb; }
.tool-card[data-tool="word-to-pdf"]:hover .tool-icon { background: #2563eb; color: white; }

.tool-card[data-tool="image-to-pdf"] .tool-icon { background: #dcfce7; color: #16a34a; }
.tool-card[data-tool="image-to-pdf"]:hover .tool-icon { background: #16a34a; color: white; }

.tool-card[data-tool="excel-to-pdf"] .tool-icon { background: #d1fae5; color: #059669; }
.tool-card[data-tool="excel-to-pdf"]:hover .tool-icon { background: #059669; color: white; }

.tool-card[data-tool="ppt-to-pdf"] .tool-icon { background: #fee2e2; color: #dc2626; }
.tool-card[data-tool="ppt-to-pdf"]:hover .tool-icon { background: #dc2626; color: white; }

.tool-card[data-tool="merge-pdf"] .tool-icon { background: #fef3c7; color: #d97706; }
.tool-card[data-tool="merge-pdf"]:hover .tool-icon { background: #d97706; color: white; }

.tool-card[data-tool="split-pdf"] .tool-icon { background: #e0e7ff; color: #4f46e5; }
.tool-card[data-tool="split-pdf"]:hover .tool-icon { background: #4f46e5; color: white; }

.tool-card[data-tool="compress-pdf"] .tool-icon { background: #fce7f3; color: #db2777; }
.tool-card[data-tool="compress-pdf"]:hover .tool-icon { background: #db2777; color: white; }

.tool-card[data-tool="pdf-to-word"] .tool-icon { background: #cffafe; color: #0891b2; }
.tool-card[data-tool="pdf-to-word"]:hover .tool-icon { background: #0891b2; color: white; }

/* ============================================
   CONVERTER TOOL INTERFACE
   ============================================ */
.converter-section {
    background: var(--color-gray-50);
}

.converter-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.converter-tabs {
    display: flex;
    background: var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-200);
    overflow-x: auto;
}

.converter-tab {
    padding: var(--space-md) var(--space-xl);
    font-weight: 500;
    color: var(--color-gray-600);
    white-space: nowrap;
    transition: all var(--transition-fast);
    position: relative;
}

.converter-tab:hover {
    color: var(--color-primary);
    background: var(--color-white);
}

.converter-tab.active {
    color: var(--color-primary);
    background: var(--color-white);
}

.converter-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.converter-content {
    padding: var(--space-3xl);
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-xl);
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background: var(--color-gray-50);
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(30, 64, 175, 0.05);
}

.drop-zone-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-white);
}

.drop-zone-icon svg {
    width: 40px;
    height: 40px;
}

.drop-zone h3 {
    margin-bottom: var(--space-sm);
}

.drop-zone p {
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

.drop-zone-formats {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.format-badge {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
}

/* File Input */
.file-input {
    display: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
}

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

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

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* File List */
.file-list {
    margin-top: var(--space-xl);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-sm);
}

.file-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.file-item-info {
    flex: 1;
    min-width: 0;
}

.file-item-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.file-item-remove {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.file-item-remove:hover {
    background: var(--color-error);
    color: var(--color-white);
}

/* Progress */
.progress-wrapper {
    margin-top: var(--space-xl);
    display: none;
}

.progress-wrapper.active {
    display: block;
}

.progress-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-base);
}

.progress-text {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Action Buttons */
.converter-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

/* Download Result */
.download-result {
    display: none;
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-success);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    margin-top: var(--space-xl);
}

.download-result.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.download-result h3 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

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

.download-result .btn:hover {
    background: var(--color-gray-100);
}

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

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: var(--radius-xl);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    background: var(--color-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-xl);
    counter-reset: step;
}

.step {
    text-align: center;
    position: relative;
}

.step::before {
    counter-increment: step;
    content: counter(step);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-lg);
}

.step h3 {
    margin-bottom: var(--space-sm);
}

.step p {
    color: var(--color-gray-500);
    margin-bottom: 0;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    background: var(--color-gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-gray-800);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-question svg {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-base);
    flex-shrink: 0;
    color: var(--color-gray-400);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-gray-600);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-section p {
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    font-size: 1.125rem;
}

.cta-section .btn {
    background: var(--color-white);
    color: var(--color-primary);
}

.cta-section .btn:hover {
    background: var(--color-gray-100);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-light);
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.footer-column h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-700);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   PAGE TEMPLATES
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.page-header p {
    opacity: 0.9;
}

.page-content {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.page-content .container {
    max-width: 800px;
}

.page-content h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.page-content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.page-content p {
    margin-bottom: var(--space-md);
}

.page-content ul, .page-content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.page-content li {
    margin-bottom: var(--space-sm);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .converter-content {
        padding: var(--space-xl);
    }
    
    .drop-zone {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Fade animations */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-gray-900);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-base);
}

.toast.active {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--color-success);
}

.toast.error {
    background: var(--color-error);
}

/* ==========================================================================
   TOOL SINGLE PAGE STYLES
   ========================================================================== */

.tool-single-page {
    min-height: 100vh;
}

/* Tool Hero */
.tool-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 60px 0 80px;
    text-align: center;
}

.tool-hero-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-hero-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.tool-hero h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.tool-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 25px;
}

.tool-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.badge-green { background: rgba(34, 197, 94, 0.3); }
.badge-blue { background: rgba(59, 130, 246, 0.3); }
.badge-purple { background: rgba(139, 92, 246, 0.3); }

/* Tool Main Section */
.tool-main {
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.tool-main .converter-box {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

/* How It Works */
.how-it-works {
    background: var(--color-bg-alt);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.step {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 10px;
    color: var(--color-heading);
}

.step p {
    color: var(--color-text-muted);
    margin: 0;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    color: var(--color-heading);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* FAQ Section */
.tool-faq {
    background: var(--color-bg-alt);
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 15px;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    color: var(--color-heading);
    font-size: 1.1rem;
    margin: 0 0 10px 0;
}

.faq-answer {
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.7;
}

/* Related Tools */
.related-tools {
    background: white;
}

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

.tools-grid-small .tool-card {
    padding: 25px;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 50px;
    border-radius: 16px;
    text-align: center;
}

.cta-box h2 {
    color: white;
    margin-bottom: 10px;
}

.cta-box p {
    opacity: 0.9;
    margin-bottom: 25px;
}

.cta-box .btn {
    background: white;
    color: var(--color-primary);
}

.cta-box .btn:hover {
    background: var(--color-bg-alt);
}

/* Responsive */
@media (max-width: 992px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid-small {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .tool-hero h1 {
        font-size: 1.8rem;
    }
    
    .tool-hero-subtitle {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid-small {
        grid-template-columns: 1fr;
    }
    
    .tool-main .converter-box {
        padding: 20px;
    }
    
    .cta-box {
        padding: 30px 20px;
    }
}

/* Tool Card Link (SEO) */
.tool-card {
    position: relative;
}

.tool-card-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.tool-card .tool-icon,
.tool-card h3,
.tool-card p {
    position: relative;
    z-index: 2;
    pointer-events: none;
}

/* ==========================================================================
   TOOL PAGE FIXES
   ========================================================================== */

/* Hero Icon - Fix size */
.tool-hero-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-hero-icon svg {
    width: 40px;
    height: 40px;
    max-width: 40px;
    max-height: 40px;
    color: white;
}

/* Drop Zone styling */
.drop-zone {
    border: 3px dashed var(--color-border);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    background: var(--color-bg-alt);
    max-width: 700px;
    margin: 0 auto;
}

.drop-zone:hover {
    border-color: var(--color-primary);
    background: white;
}

.drop-zone.drag-over {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.05);
}

.drop-zone-icon {
    margin-bottom: 20px;
}

.drop-zone-icon svg {
    width: 60px;
    height: 60px;
    color: var(--color-primary);
}

.drop-zone h3 {
    margin-bottom: 10px;
    color: var(--color-heading);
}

.drop-zone p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.drop-zone-info {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 20px;
}

/* Convert Actions */
.convert-actions {
    text-align: center;
    margin: 30px 0;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* File List */
.file-list {
    max-width: 700px;
    margin: 20px auto;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background: var(--color-bg-alt);
    border-radius: 8px;
    margin-bottom: 10px;
}

.file-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-item-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.file-item-name {
    font-weight: 500;
}

.file-item-size {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.file-item-remove {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    color: var(--color-text-muted);
}

.file-item-remove:hover {
    color: var(--color-error);
}

/* Download Result */
.download-result {
    display: none;
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #dcfce7 0%, #f0fdf4 100%);
    border-radius: 16px;
    max-width: 700px;
    margin: 20px auto;
}

.download-result.active {
    display: block;
}

.download-result .result-icon svg {
    width: 60px;
    height: 60px;
    color: var(--color-success);
}

.download-result h3 {
    color: var(--color-success);
    margin: 15px 0;
}

/* Progress wrapper */
.progress-wrapper {
    display: none;
    max-width: 700px;
    margin: 30px auto;
}

.progress-wrapper.active {
    display: block;
}

/* Tool Options */
.tool-options {
    max-width: 700px;
    margin: 30px auto;
}

.tool-options h4 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-heading);
}

/* Compression Cards */
.compression-levels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.compression-card {
    cursor: pointer;
}

.compression-card input {
    display: none;
}

.compression-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 15px;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    transition: var(--transition-base);
}

.compression-card input:checked + .compression-card-content {
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.compression-label {
    font-weight: 600;
    margin-bottom: 5px;
}

.compression-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Ad Container */
.ad-container {
    padding: 20px 0;
}

.ad-placeholder {
    background: #f8fafc;
    border: 1px dashed #e2e8f0;
    border-radius: 8px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .compression-levels {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-hero h1 {
        font-size: 1.6rem;
    }
    
    .drop-zone {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .compression-levels {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .compression-card-content {
        padding: 15px 10px;
    }
}

/* ==========================================================================
   FINAL FIXES
   ========================================================================== */

/* Hero Icon in Tool Pages - Fixed Size */
.hero-section .tool-icon,
.hero-section svg,
section[style*="gradient"] svg {
    width: 40px !important;
    height: 40px !important;
    max-width: 40px !important;
    max-height: 40px !important;
}

/* Drop Zone Icon */
.drop-zone-icon svg {
    width: 60px;
    height: 60px;
    color: var(--color-primary);
}

/* Feature Icons */
.feature-icon svg {
    width: 32px;
    height: 32px;
}

/* Tool Card Icons */
.tool-card .tool-icon svg {
    width: 36px;
    height: 36px;
}

/* Steps responsive */
@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr !important;
    }
}