/* Modern Design System - Premium Multi-Tool Website */

/* ============================================
   CSS VARIABLES - DESIGN TOKENS
   ============================================ */
html, body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
}

:root {
    /* Premium Modern SaaS Theme - Indigo & Teal */
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
    --secondary-gradient: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

    --color-home: #4f46e5;
    --color-pdf: #ef4444;
    --color-image: #8b5cf6;
    --color-converter: #10b981;
    --color-calculator: #0ea5e9;
    --color-text: #f59e0b;
    --color-generator: #6366f1;

    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #020617;

    --bg-gradient-light: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    --bg-gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --bg-gradient-warm: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;

    --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
    --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
    --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

    --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
    --radius-xl: 1rem; --radius-2xl: 1.5rem; --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.3);

    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-blur: blur(12px);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Text Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--bg-gradient-light);
    overflow-x: clip; 
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

/* ============================================
   MODERN NAVIGATION - GLASSMORPHIC
   ============================================ */
.modern-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.modern-nav.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    transition: transform var(--transition-base);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-logo img {
    height: 45px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--gray-700);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    transition: left var(--transition-base);
    z-index: -1;
    border-radius: var(--radius-lg);
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: var(--white);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--gray-700);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
    background: var(--gray-100);
    color: var(--color-home);
}

/* ============================================
   MODERN FOOTER
   ============================================ */
.modern-footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: var(--gray-300);
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-20);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3 {
    color: var(--white);
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-link:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-500);
}

/* ============================================
   HERO SECTION - MODERN
   ============================================ */
.modern-hero {
    padding: calc(80px + var(--space-20)) 0 var(--space-20);
    background: var(--bg-gradient-dark);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.modern-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-6);
    line-height: 1.1;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

/* ============================================
   MODERN CARDS - GLASSMORPHIC
   ============================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    padding: var(--space-6);
}

.modern-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.modern-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    font-size: var(--text-3xl);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
    text-align: center;
}

.card-description {
    font-size: var(--text-sm);
    color: var(--gray-600);
    text-align: center;
    line-height: 1.6;
}

/* ============================================
   MODERN BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-base);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--color-home);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

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

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

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

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.scale-in {
    animation: scaleIn 0.4s ease-out;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-20) 0;
}

.text-center {
    text-align: center;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

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

    .modern-hero {
        padding: calc(60px + var(--space-10)) 0 var(--space-10);
    }
    .hero-right { display: none !important; }
    .hero-title { font-size: 2.25rem !important; margin-bottom: 1rem; }
    .two-column-hero { grid-template-columns: 1fr !important; padding: var(--space-6) !important; text-align: center; }

    .footer-content {
        grid-template-columns: 1fr;
    }
    .container { padding: 0 var(--space-4) !important; }
    .main-content { padding-top: 80px !important; }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--space-3) var(--space-4);
    }

    .nav-logo img {
        height: 35px;
    }
}

/* ============================================
   TECBYTE-STYLE LAYOUT BLOCKS 
   ============================================ */

/* Page Wrapper & Layout */
.page-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    padding-top: var(--space-20);
    min-height: 100vh;
}

@media (min-width: 992px) {
    .page-wrapper {
        flex-direction: row;
        align-items: stretch; /* allows sidebar to extend to bottom */
        padding-top: 100px;
    }
}

/* Sidebar */
.sidebar {
    width: 100%;
    order: 2; /* On mobile, move to bottom. Will change on wide */
}

@media (min-width: 992px) {
    .sidebar {
        width: 280px;
        flex-shrink: 0;
        order: 1; /* Left on desktop */
    }
    .sidebar-sticky {
        position: sticky;
        top: 100px;
        background: var(--glass-bg);
        backdrop-filter: var(--glass-blur);
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-xl);
        padding: var(--space-6);
        box-shadow: var(--shadow-sm);
        height: max-content;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
    }
}

.sidebar-title {
    font-size: 1.1rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.sidebar-nav li a i {
    font-size: 1.25rem;
    color: var(--color-home);
    width: 24px;
    text-align: center;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: var(--gray-100);
    color: var(--color-home);
    transform: translateX(4px);
}

.sidebar-nav li a.active {
    border-left: 3px solid var(--color-home);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    padding-left: calc(var(--space-4) - 3px);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    min-width: 0;
    order: 1; /* Top on mobile, right on desktop */
}

@media (min-width: 992px) {
    .main-content {
        order: 2;
    }
}

/* 2-Column Hero Premium Block */
.two-column-hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    margin-bottom: var(--space-12);
    overflow: hidden;
}

@media (min-width: 992px) {
    .two-column-hero {
        grid-template-columns: 1fr 1fr;
        padding: var(--space-12);
        align-items: center;
    }
}

.hero-left h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.hero-left p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.hero-search-box {
    position: relative;
    max-width: 500px;
}

.hero-search-box input {
    width: 100%;
    padding: var(--space-4) var(--space-6) var(--space-4) calc(var(--space-12) + 0.5rem);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--gray-50);
}

.hero-search-box input:focus {
    outline: none;
    border-color: var(--color-home);
    background: var(--white);
    box-shadow: var(--shadow-glow);
}

.hero-search-icon {
    position: absolute;
    left: var(--space-5);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1.25rem;
}

/* Hero Right Floating Animations (Replacement for GIF) */
.hero-right {
    position: relative;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-gradient-warm);
    border-radius: var(--radius-xl);
}

.hero-floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-width: 200px;
    animation: floatCard linear infinite;
}

.floating-card i {
    font-size: 2rem;
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.floating-card h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--gray-800);
}

.floating-card p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Staggered cards and gradients */
.c1 { top: 15%; left: 10%; animation-duration: 6s; }
.c1 i { background: var(--primary-gradient); }

.c2 { top: 45%; right: 10%; animation-duration: 8s; animation-delay: -2s; z-index: 2; }
.c2 i { background: var(--secondary-gradient); }

.c3 { bottom: 10%; left: 20%; animation-duration: 7s; animation-delay: -4s; }
.c3 i { background: var(--success-gradient); }

@keyframes floatCard {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
}

/* Category Sections & Compact Grid for Tools */
.category-section {
    margin-bottom: var(--space-12);
}

.category-heading {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--gray-200);
    position: relative;
}

.category-heading::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary-gradient);
}

.compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.tool-card-compact {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tool-card-compact:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-home);
}

.tool-icon-wrapper {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient-warm);
    border-radius: var(--radius-md);
}

.tool-icon-wrapper i {
    font-size: 1.5rem;
    color: var(--color-home);
}

.tool-info h3 {
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: 4px;
    line-height: 1.3;
}

.tool-info p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.4;
    margin: 0;
}


/* ============================================
   PREMIUM ARTICLE & FAQ COMPONENTS
   ============================================ */

.article-section {
    margin-top: 5rem;
    padding: 3rem;
    background: var(--white);
    border-radius: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid var(--gray-200);
}

.article-section h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-align: center;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2.5rem 0 1.5rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-section h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.info-card-premium {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    padding: 2rem;
    border-radius: 1.5rem;
    margin-bottom: 3rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.info-card-mini {
    background: var(--white);
    border: 1px solid var(--gray-100);
    padding: 2rem;
    border-radius: 1.25rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.info-card-mini:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: var(--color-home);
}

.info-card-mini i {
    font-size: 2rem;
    color: var(--color-home);
    margin-bottom: 1.25rem;
}

.faq-section-modern {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-200);
}

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

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.faq-item {
    background: var(--white);
    padding: 1.75rem;
    border-radius: 1.25rem;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--color-home);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-item h4 {
    font-size: 1.1rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.faq-item p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.step-list {
    list-style: none;
    counter-reset: steps;
}

.step-item {
    counter-increment: steps;
    position: relative;
    padding-left: 3.5rem;
    margin-bottom: 1.5rem;
}

.step-item::before {
    content: counter(steps);
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
/* ============================================
   UNIVERSAL TOOL COMPONENTS
   ============================================ */
.tool-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

.premium-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.premium-card:hover {
    box-shadow: var(--shadow-xl);
}

.drop-zone {
    border: 3px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--gray-50);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--color-home);
    background: var(--bg-gradient-warm);
    transform: scale(1.01);
}

.drop-zone i {
    font-size: 3.5rem;
    color: var(--color-home);
    margin-bottom: var(--space-2);
}

.btn-action {
    background: var(--primary-gradient);
    color: var(--white);
    font-weight: 800;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-action:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-action:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Tool Settings & Controls */
.tool-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.setting-label {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.setting-input {
    padding: var(--space-3);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.setting-input:focus {
    outline: none;
    border-color: var(--color-home);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* Progress & Status */
.progress-container {
    width: 100%;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    height: 12px;
    overflow: hidden;
    margin: var(--space-6) 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.status-badge {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    background: var(--bg-gradient-warm);
    color: var(--color-home);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

/* ============================================
   STANDARDIZED TOOL LAYOUT
   ============================================ */
.main-content {
    padding-top: 100px !important; /* Space for fixed header */
    padding-bottom: var(--space-20);
    min-height: 80vh;
}

.tool-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    margin-bottom: var(--space-12);
    animation: fadeInUp 0.6s ease-out;
}

.tool-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.tool-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-3);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tool-description {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 700px;
    margin: 0 auto;
}

/* SEO Article Section */
.tool-article {
    max-width: 900px;
    margin: var(--space-16) auto;
    padding: var(--space-10);
    background: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-sm);
}

.tool-article h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: var(--space-6);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tool-article h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    color: var(--gray-800);
}

.tool-article p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

.tool-article ul, .tool-article ol {
    margin-left: var(--space-6);
    margin-bottom: var(--space-6);
    color: var(--gray-600);
}

.tool-article li {
    margin-bottom: var(--space-2);
}

/* Specific UI Elements */
.input-group {
    margin-bottom: var(--space-6);
}

.input-label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-home);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* ============================================
   MODERN SIDEBAR
   ============================================ */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    margin-right: var(--space-8);
}

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

.sidebar-title {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: var(--space-4);
    font-weight: 800;
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
}

.sidebar-nav li a i {
    width: 20px;
    text-align: center;
    color: var(--gray-400);
    transition: color var(--transition-base);
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: var(--white);
    color: var(--color-home);
    box-shadow: var(--shadow-sm);
    transform: translateX(5px);
}

.sidebar-nav li a:hover i,
.sidebar-nav li a.active i {
    color: var(--color-home);
}

@media (max-width: 991px) {
    .sidebar {
        display: none;
    }
}