/* ============================================================
   1. ROOT VARIABLES & THEMES
   ============================================================ */
:root {
    /* 🌟 THE FOXIX PREMIUM ORANGE BRAND PALETTE */
    --primary-color: #ff7300;
    /* Core Fierce Thunder Orange */
    --primary-dark: #cc5c00;
    /* Deep Shadow Amber Hover */
    --primary-light: #ff8c33;
    /* Balanced Soft Bright Accent */
    --secondary-color: #ff9c26;
    /* Light Sun Secondary Accent */
    --accent-color: #ffa842;
    /* Radiant Highlight Tone */

    /* Default Light Mode Base Surfaces */
    --bg-primary: #fdf0e0;
    /* Soft Premium Bone White background */
    --bg-secondary: #fef5ec;
    /* Structural card background layer */
    --bg-tertiary: #e5e7eb;
    /* Tool inner wells / blocks */
    --text-primary: #0f172a;
    /* Deep slate charcoal text (super crisp) */
    --text-secondary: #475569;
    /* Classy slate secondary text descriptions */
    --text-tertiary: #94a3b8;
    /* Subtle utility details / placeholders */
    --border-color: #e2e8f0;
    /* Clean hairline separation borders */

    /* Glass Panels - Light Mode Accent Tones */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 115, 0, 0.08);

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 25px rgba(255, 115, 0, 0.06);
    --shadow-xl: 0 20px 40px rgba(15, 23, 42, 0.12);

    /* Spacing (Untouched) */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius (Untouched) */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Transitions (Untouched) */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Font (Untouched) */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* 🌙 Premium Space Dark Mode Override */
body.dark-mode {
    --bg-primary: #0b0f17;
    /* High-end Deep Cyber Space Black */
    --bg-secondary: #09101F;
    /* Sleek card containers panels */
    --bg-tertiary: #1e293b;
    /* Focused dark active tabs / inner fields */
    --text-primary: #f8fafc;
    /* Clear high-contrast clean ice white */
    --text-secondary: #94a3b8;
    /* Clean soft description details text */
    --text-tertiary: #64748b;
    /* Understated muted tags / shortcuts labels */
    --border-color: #1e293b;
    /* Midnight slate element divider borders */

    /* Glass Panels - Dark Mode Accent Glows */
    --glass-bg: rgba(11, 15, 23, 0.8);
    --glass-border: rgba(255, 115, 0, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* ============================================================
   2. GLOBAL STYLES
   ============================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

/* Prevent layout shift on scrollbar */
html {
    overflow-y: scroll;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    line-height: 1.6;
    color: var(--text-secondary);
}

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

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

/* ============================================================
   5. NAVBAR
   ============================================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all var(--transition-fast);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-img {
    height: 40px;
    /* Sets a perfect, clean size inside the navbar */
    width: auto;
    /* Maintains your logo's exact aspect ratio */
    object-fit: contain;
    display: block;
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.nav-links {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-xl);
    transition: transform var(--transition-normal);
}

.theme-toggle:hover {
    transform: rotate(20deg) scale(1.1);
}

.tool-search {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 200px;
    transition: all var(--transition-normal);
}

.tool-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 115, 0, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}


/* ============================================================
   10. FAQ SECTION
   ============================================================ */

.faq {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-normal);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
    margin-bottom: 0;
    white-space: normal;
}

.faq-item.active .faq-answer {
    padding-bottom: var(--spacing-lg);
}

.faq-item.active .faq-answer p {
    display: block;
}

.faq-answer p {
    margin: 0;
    line-height: 1.8;
    overflow-wrap: anywhere;
    word-break: break-word;
    white-space: normal;
}

/* ============================================================
11. BLOG SECTION
============================================================ */

.blog {
    padding: var(--spacing-3xl) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-3xl);
    width: 100%;
    margin-top: var(--spacing-xl);
    /* 🌐 Fix: Prevents the left box from stretching vertically */
    align-items: start;
}

.blog-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    cursor: pointer;

    /* 🌐 Fix: Structural Sizing Locks */
    width: 100%;
    /* Allows it to completely fill its 350px grid track */
    max-width: 350px;
    /* Hard-locks its horizontal growth ceiling */
    height: auto;
    /* Snaps its height perfectly around its text content */
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.blog-image {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.blog-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.blog-card p {
    margin-bottom: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.blog-date {
    font-weight: 500;
}

.blog-category {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.main-blog {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    width: 100%;

    /* NEW */
    height: 500px;
    /* around 10-20% bigger than left card */
    overflow-y: auto;
    overflow-x: hidden;
}

.main-blog h2{
    margin-bottom:25px;
}

.main-blog h3{
    margin-top:35px;
    margin-bottom:18px;
}

.main-blog h4{
    margin-top:25px;
    margin-bottom:12px;
}

.main-blog p{
    margin-bottom:18px;
    line-height:1.9;
}

.main-blog ul{
    margin:18px 0 25px 30px;
}

.main-blog li{
    margin-bottom:10px;
    line-height:1.8;
}

.main-blog::-webkit-scrollbar {
    width: 8px;
}

.main-blog::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.main-blog::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.main-blog::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ============================================================
   12. NEWSLETTER SECTION
   ============================================================ */

.newsletter {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.newsletter-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
}

.newsletter-form button {
    padding: var(--spacing-md) var(--spacing-2xl);
    background-color: white;
    color: var(--primary-color);
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.newsletter-form button:hover {
    transform: scale(1.05);
}

.form-message {
    font-size: var(--font-size-sm);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.form-message.show {
    opacity: 1;
}

#sub-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-block;
    text-align: center;
}

/* ============================================================
   13. FOOTER
   ============================================================ */

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.footer-section p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-md);
}

.footer-section a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Ensure the link container handles the inline SVG properly */
.social-links a.insta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Match the exact vector stroke to your white text color */
.insta-icon {
    width: 18px;
    /* Micro-adjusted to match the visual height of text icons */
    height: 18px;
    stroke: currentColor;
    /* Automatically forces the SVG color to match 'white' from your parent class */
    transition: transform var(--transition-normal);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    transform: translateY(-3px);
    background: var(--primary-dark);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-2xl);
}

.footer-bottom p {
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================================
   17. RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 768px) {

    .main-blog {
        height: 400px;
        /* adjust as needed */
        max-height: 400px;
        overflow-y: auto;
        overflow-x: hidden;

        /* Smooth scrolling on iPhone */
        -webkit-overflow-scrolling: touch;
    }

    /* Layout Alignment for Mobile Header Row */
    .navbar-content {
        display: flex;
        justify-content: flex-start;
        /* Aligns hamburger and logo to the left */
        align-items: center;
        gap: var(--spacing-md);
        position: relative;
    }

    .hamburger {
        display: flex;
    }

    /* FIX: Force menu items to hide vertically, NOT show horizontally */
    .nav-links {
        display: none !important;
        /* Forces it to be completely hidden on mobile by default */
        position: absolute;
        top: 70px;
        /* Adjust this based on your navbar height */
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        flex-direction: column !important;
        /* Stack links vertically */
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--glass-border);
        align-items: flex-start;
        width: 100%;
        z-index: 999;
    }

    /* When active (clicked), drop down the full menu smoothly */
    .nav-links.active {
        display: flex !important;
        /* Forces it to show up when clicked! */
    }

    /* Hide search tool input field on tablets and phones */
    .tool-search {
        display: none !important;
    }

    /* Push the theme toggle to the absolute far right boundary */
    .navbar-actions {
        margin-left: auto;
        display: flex;
        align-items: center;
    }

    /* Preserving your original layout updates below */
    .main-container {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-2xl);
    }

    .merge-section {
        padding: var(--spacing-xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .illustration {
        display: none;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        flex: 0 0 100%;
    }

    .slider-nav {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-base);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        max-height: 90vh;
    }

    .tool-actions {
        flex-direction: column;
    }

    .hero {
        padding: var(--spacing-2xl) 0;
        min-height: auto;
    }

    h1 {
        font-size: var(--font-size-2xl);
    }

    h2 {
        font-size: var(--font-size-xl);
    }

    .tools-section {
        padding: var(--spacing-2xl) 0;
    }

    .why-choose-us,
    .testimonials,
    .faq,
    .blog,
    .newsletter,
    .footer {
        padding: var(--spacing-2xl) 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-sm);
    }

    .stat-value {
        font-size: var(--font-size-2xl);
    }

    .nav-link {
        font-size: var(--font-size-sm);
    }

    .tool-search {
        width: 100%;
    }

    .features-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   18. SCROLL ANIMATIONS
   ============================================================ */

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   MAIN CONTENT STYLES (add to your existing CSS)
   ============================================================ */

.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-3xl);
    min-height: calc(100vh - 120px);
    margin-top: 70px;
}

.merge-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease-out;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

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

.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    background-color: var(--bg-secondary);
    margin-bottom: var(--spacing-xl);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.upload-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg) auto;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-3xl);
}

.upload-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.upload-hint {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.file-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-xl);
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.file-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.file-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

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

.file-remove {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: 30px;
}

.premium-card {
    /* 🌐 Uses your dynamic container colors */
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease-out;
    /* 🌐 Switches hairline colors seamlessly */
    border: 2px solid var(--border-color);
}

.premium-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: white;
}

.premium-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.merge-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.merge-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.explore-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
    box-shadow: var(--shadow-lg);
    margin-top: 20px;
}

.explore-btn:hover {
    transform: translateY(-2px);
}

.features-list {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.features-list li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    /* 🌐 Dynamic text shift */
    color: var(--text-primary);
}

.features-list li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.features-list li a {
    /* 🌐 Dynamic link shift */
    color: var(--text-secondary);
    text-decoration: underline dotted;
}

.features-list li a:hover {
    font-weight: bold;
    transform: translateY(-2px);
}


/* Responsive */
@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-2xl);
    }

    .merge-section {
        padding: var(--spacing-xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scrollbar */
.file-list::-webkit-scrollbar {
    width: 6px;
}

.file-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.file-list::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

/* ============================================================
   SPLIT PDF SPECIFIC STYLES
   ============================================================ */

.split-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease-out;
}

.split-options-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.5s ease-out;
}

.tabs-header {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.tab-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--primary-color);
    background: var(--primary-light);
}

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

.mode-panel {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.mode-panel.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.mode-panel label {
    font-weight: 600;
    color: var(--text-primary);
}

.mode-panel input[type="text"],
.mode-panel input[type="number"] {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    width: 100%;
    transition: border-color var(--transition-fast);
}

.mode-panel input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input-hint {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.flex-inputs {
    display: flex;
    gap: var(--spacing-lg);
}

.flex-inputs>div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.split-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.split-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.split-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.results-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.5s ease-out;
    margin-top: var(--spacing-xl);
}

.results-container h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: var(--font-size-xl);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
    padding-right: var(--spacing-sm);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.result-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.result-name {
    font-weight: 500;
    color: var(--text-primary);
}

.result-pages {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.download-btn {
    background: var(--primary-light);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

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

.results-actions {
    display: flex;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
}

.download-all-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.download-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.file-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.file-info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.file-pages-badge {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: bold;
}