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

        /* ========== DARK MODE VARIABLES ========== */
        :root {
            --bg-gradient-start: #f8fafc;
            --bg-gradient-end: #eff3f8;
            --text-primary: #0a2540;
            --text-secondary: #5a6e7e;
            --header-bg: rgba(255, 255, 255, 0.95);
            --card-bg: white;
            --card-border: rgba(0, 0, 0, 0.03);
            --search-bg: white;
            --search-border: #e2edf5;
            --why-bg: linear-gradient(115deg, #ffffff 0%, #f9fcff 100%);
            --why-border: rgba(59, 143, 194, 0.1);
            --feature-bg: white;
            --feature-border: #eef3fc;
            --footer-bg: #0a1c2a;
            --footer-text: #caddf0;
            --footer-link: #adc6de;
            --footer-border: #1e3a4f;
            --trend-badge-bg: #ffe6d5;
            --trend-badge-text: #c45d1a;
            --icon-bg: #f0f4f9;
            --icon-color: #2b6c9e;
            --shadow: 0 12px 28px -10px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 28px 40px -16px rgba(26, 75, 110, 0.25);
            --no-results-bg: #f2f6fb;
            --no-results-color: #3b6b8f;
            --btn-border: #cbdde9;
            --page-title: linear-gradient(135deg, #1a4b6e, #2c7cb0);
        }

        body.dark {
            --bg-gradient-start: #0f1724;
            --bg-gradient-end: #0a0f1a;
            --text-primary: #eef2ff;
            --text-secondary: #9ca3af;
            --header-bg: rgba(18, 25, 40, 0.95);
            --card-bg: #1e293b;
            --card-border: rgba(255, 255, 255, 0.05);
            --search-bg: #1e293b;
            --search-border: #334155;
            --why-bg: linear-gradient(115deg, #1a2538 0%, #0f172a 100%);
            --why-border: rgba(59, 143, 194, 0.2);
            --feature-bg: #1e293b;
            --feature-border: #334155;
            --footer-bg: #030712;
            --footer-text: #94a3b8;
            --footer-link: #cbd5e1;
            --footer-border: #1f2a3e;
            --trend-badge-bg: #2d2a1f;
            --trend-badge-text: #fbbf24;
            --icon-bg: #2d3a4e;
            --icon-color: #60a5fa;
            --shadow: 0 12px 28px -10px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 28px 40px -16px rgba(0, 0, 0, 0.5);
            --no-results-bg: #1e293b;
            --no-results-color: #94a3b8;
            --btn-border: #475569;
            --page-title: linear-gradient(135deg, #60a5fa, #3b82f6);
        }

        body {
            background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
            color: var(--text-primary);
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            line-height: 1.5;
            min-height: 100vh;
            transition: background 0.3s ease, color 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        .wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }
        
        /* ========== HEADER ========== */
        header {
            background: var(--header-bg);
            backdrop-filter: blur(10px);
            border-radius: 0 0 2rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03), 0 1px 0 rgba(0, 0, 0, 0.02);
            padding: 1rem 2rem;
            margin-bottom: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: all 0.3s ease;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        .logo-area:hover {
            transform: scale(1.02);
        }

        .logo-icon {
            background: linear-gradient(145deg, #0f2b3d, #1a4b6e);
            color: white;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 18px;
            font-size: 1.8rem;
            transition: all 0.3s;
            box-shadow: 0 8px 20px -8px rgba(26, 75, 110, 0.3);
        }

        .logo-text {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }

        .logo-text span {
            background: linear-gradient(135deg, #1e6f9f, #0f3b55);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header-nav-wrapper {
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        nav {
            display: flex;
            gap: 2rem;
            font-weight: 500;
        }

        nav a {
            text-decoration: none;
            color: var(--text-primary);
            transition: all 0.2s;
            font-size: 1rem;
            font-weight: 500;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #1e6f9f, #3b8fc2);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

        nav a:hover::after {
            width: 100%;
        }

        nav a:hover {
            color: #1e6f9f;
        }

        .header-right {
            display: flex;
            gap: 0.8rem;
            align-items: center;
        }

        /* Button styling */
        .share-btn, .darkmode-btn, .donate-btn {
            background: transparent;
            border: 1px solid var(--btn-border);
            padding: 0.5rem 1.3rem;
            border-radius: 40px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.25s;
            font-family: 'Inter', sans-serif;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .share-btn:hover, .darkmode-btn:hover, .donate-btn:hover {
            background: #1e4b6e;
            color: white;
            border-color: #1e4b6e;
            transform: translateY(-2px);
        }

        body.dark .share-btn:hover, body.dark .darkmode-btn:hover, body.dark .donate-btn:hover {
            background: #3b82f6;
            border-color: #3b82f6;
        }

        /* ========== PAGE TITLE ========== */
        .page-title {
            margin: 1rem 0 2rem 0;
            animation: fadeInUp 0.8s cubic-bezier(0.2, 0.9, 0.4, 1.1) forwards;
        }

        .page-title h1 {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #1a4b6e, #2c7cb0);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }

        .page-title p {
            color: var(--text-secondary);
            font-size: 1.2rem;
            margin-top: 0.5rem;
            max-width: 600px;
        }

        /* ========== SECTION FADE-IN ON SCROLL ========== */
        .fade-on-scroll {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.9s cubic-bezier(0.2, 0.9, 0.4, 1.1), transform 0.8s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            will-change: opacity, transform;
        }

        .fade-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== FOOTER ========== */
        footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 3rem 2rem 1.8rem;
            border-radius: 3rem 3rem 0 0;
            margin-top: 4rem;
            transition: all 0.4s ease;
        }

        .footer-content {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2.5rem;
        }

        .footer-col h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            font-weight: 600;
        }

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

        .footer-col li {
            margin-bottom: 0.7rem;
            transition: transform 0.2s ease;
        }

        .footer-col li:hover {
            transform: translateX(4px);
        }

        .footer-col a {
            color: var(--footer-link);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: white;
        }

        .social-icons {
            display: flex;
            gap: 1.2rem;
            margin-top: 0.8rem;
            font-size: 1.4rem;
        }

        .social-icons a {
            transition: all 0.3s ease;
            display: inline-block;
        }

        .social-icons a:hover {
            transform: translateY(-3px) scale(1.1);
            color: white;
        }

        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--footer-border);
            color: var(--footer-text);
            font-size: 0.85rem;
        }

        /* Scroll offset */
        #trending, #why-choose, #all-tools-section {
            scroll-margin-top: 90px;
        }

        #header-placeholder {
            position: sticky;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1100px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
        }

        @media (max-width: 720px) {
            .wrapper {
                padding: 0 1rem;
            }
            
            body {
                overflow-x: clip;
            }
            
            header {
                position: relative !important;
                flex-direction: column;
                align-items: stretch;
                padding: 1rem;
            }
            
            .header-nav-wrapper {
                flex-direction: column;
                align-items: stretch;
                gap: 1rem;
                width: 100%;
            }
            
            nav {
                justify-content: center;
                flex-wrap: wrap;
                gap: 1.2rem;
            }
            
            .header-right {
                justify-content: center;
                gap: 1rem;
            }
            
            .share-btn, .darkmode-btn, .donate-btn {
                padding: 0.5rem 1rem;
            }
            
            .share-btn span, .darkmode-btn span, .donate-btn span {
                display: none;
            }
            
            .share-btn i, .darkmode-btn i, .donate-btn i {
                font-size: 1.2rem;
                margin: 0;
            }
            
            .page-title h1 {
                font-size: 1.8rem;
            }
            
            .page-title p {
                font-size: 1rem;
            }
            
            .trending-grid, .all-tools-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            
            .tool-card {
                padding: 1.2rem 0.8rem 1rem;
            }
            
            .card-image {
                width: 65px;
                height: 65px;
                font-size: 1.8rem;
                margin-bottom: 0.8rem;
            }
            
            .tool-card h3 {
                font-size: 1rem;
            }
            
            .tool-card p {
                font-size: 0.7rem;
                max-width: 100%;
            }
            
            .trend-badge {
                font-size: 0.6rem;
                padding: 0.2rem 0.6rem;
                margin-top: 0.4rem;
            }
            
            .why-header h2 {
                font-size: 1.5rem;
            }
            
            .why-header p {
                font-size: 0.9rem;
            }
            
            .why-choose-us {
                padding: 1.5rem;
                margin: 2rem 0;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .feature-item {
                padding: 1rem;
            }
            
            .feature-icon {
                width: 50px;
                height: 50px;
                font-size: 1.5rem;
            }
            
            .feature-item h3 {
                font-size: 1rem;
            }
            
            .feature-item p {
                font-size: 0.8rem;
            }
            
            .all-tools-header {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }
            
            .search-box {
                width: 100%;
                min-width: auto;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 1.5rem;
                text-align: center;
            }
            
            .social-icons {
                justify-content: center;
            }
            
            .copyright {
                font-size: 0.7rem;
            }
            
            #trending, #why-choose, #all-tools-section {
                scroll-margin-top: 140px;
            }
        }
        
        @media (max-width: 480px) {
            .trending-grid, .all-tools-grid {
                gap: 0.8rem;
            }
            
            .tool-card {
                padding: 1rem 0.5rem 0.8rem;
            }
            
            .card-image {
                width: 55px;
                height: 55px;
                font-size: 1.5rem;
            }
            
            .tool-card h3 {
                font-size: 0.9rem;
            }
            
            .page-title h1 {
                font-size: 1.5rem;
            }
        }