.tool-card {
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-align: center;
            padding: 2rem !important;
        }

        .tool-card > * {
            position: relative;
            z-index: 1;
        }

        .tool-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(105deg,
                transparent 40%,
                rgba(255,255,255,0.35) 45%,
                rgba(255,255,255,0.25) 50%,
                transparent 55%);
            z-index: 0;
            pointer-events: none;
            transition: left 0.6s ease;
        }

        .tool-card:hover::after {
            left: 100%;
        }

        .tool-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 25px 50px rgba(13,148,136,0.2),
                        0 0 0 2px rgba(13,148,136,0.08);
            border-color: rgba(13,148,136,0.3);
        }

        .tool-card:hover .icon-wrapper {
            transform: scale(1.1);
        }

        .tool-card .icon-wrapper svg {
            transition: transform 0.2s ease;
        }

        .tool-card:hover .icon-wrapper svg {
            transform: translateY(-2px);
        }

        .tool-card:hover .tool-title {
            color: #0D9488;
        }


        .filter-tab {
            padding: 8px 20px;
            border-radius: 9999px;
            border: 1.5px solid #E2E8F0;
            background: white;
            color: #64748B;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            user-select: none;
        }

        .filter-tab:hover {
            border-color: #0D9488;
            color: #0D9488;
            background: rgba(13,148,136,0.05);
        }

        .filter-tab.is-active {
            background: linear-gradient(135deg, #0D9488 0%, #14B8A6 100%);
            border-color: transparent;
            color: white;
            box-shadow: 0 2px 8px rgba(13,148,136,0.3);
        }

        .filter-dropdown {
            position: relative;
            display: inline-block;
        }

        .filter-dropdown-content {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            min-width: 180px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.12);
            padding: 8px 0;
            z-index: 100;
            border: 1px solid #E2E8F0;
        }

        .filter-dropdown:hover .filter-dropdown-content {
            display: block;
        }

        .filter-dropdown-content a {
            display: block;
            padding: 10px 16px;
            text-decoration: none;
            color: #475569;
            font-size: 14px;
            transition: background 0.2s;
            white-space: nowrap;
        }

        .filter-dropdown-content a:hover {
            background: rgba(13,148,136,0.08);
            color: #0D9488;
        }

        .filter-dropdown-content a:first-child {
            border-radius: 12px 12px 0 0;
        }

        .filter-dropdown-content a:last-child {
            border-radius: 0 0 12px 12px;
        }

        .nav-glass {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid rgba(13, 148, 136, 0.12);
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-glass.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 8px 32px rgba(13, 148, 136, 0.08);
        }

        .nav-dropdown {
            position: relative;
            display: inline-block;
        }

        .nav-dropdown-content {
            display: none;
            position: absolute;
            top: calc(100% + 4px);
            left: 50%;
            transform: translateX(-50%);
            min-width: 200px;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(13, 148, 136, 0.15);
            padding: 8px 0;
            z-index: 200;
            border: 1px solid rgba(13, 148, 136, 0.08);
            overflow: hidden;
        }

        .nav-dropdown:hover .nav-dropdown-content {
            display: block;
            animation: dropdownFadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @keyframes dropdownFadeIn {
            from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }

        .nav-dropdown-content a {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            text-decoration: none;
            color: #334155;
            font-size: 14px;
            font-family: 'DM Sans', sans-serif;
            font-weight: 400;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-dropdown-content a:hover {
            background: linear-gradient(135deg, rgba(13, 148, 136, 0.08) 0%, rgba(20, 184, 166, 0.06) 100%);
            color: #0D9488;
            padding-left: 24px;
        }

        .nav-item {
            position: relative;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.3s ease;
        }

        .nav-item::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, #0D9488, #14B8A6);
            border-radius: 2px;
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .logo-text {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .tool-card.is-hidden {
            display: none;
        }

        .no-results {
            display: none;
            text-align: center;
            padding: 64px 20px;
            color: #94A3B8;
            font-size: 16px;
        }

        .no-results svg {
            font-size: 48px;
            display: block;
            margin-bottom: 16px;
        }

        .faq-item {
            border-radius: 12px;
            background: rgba(255,255,255,0.9);
            padding: 0 24px;
            transition: all 0.25s ease;
            border: 1px solid #E2E8F0;
            overflow: hidden;
        }

        .faq-item:hover {
            box-shadow: 0 4px 16px rgba(13,148,136,0.08);
            border-color: rgba(13,148,136,0.2);
        }

        .faq-item.is-open {
            background: rgba(13,148,136,0.05);
            border-color: rgba(13,148,136,0.2);
        }

        .faq-question {
            width: 100%;
            padding: 20px 0;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: #1e293b;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 12px;
            transition: color 0.2s;
        }

        .faq-question:hover {
            color: #0D9488;
        }

        .faq-question i {
            transition: transform 0.3s;
            font-size: 12px;
            color: #94A3B8;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .faq-item.is-open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.35s ease, opacity 0.3s ease;
            font-size: 14px;
            color: #64748B;
            line-height: 1.9;
            opacity: 0;
        }

        .faq-item.is-open .faq-answer {
            max-height: 600px;
            padding-bottom: 20px;
            opacity: 1;
        }

        .popular-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
            color: white;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 9999px;
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .stat-number {
            background: linear-gradient(135deg, #0D9488, #14B8A6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        html { scroll-behavior: smooth; }

        .hero-bg {
            position: relative;
            overflow: hidden;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(13,148,136,0.06) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 64px;
            background: #F0FDFA;
            clip-path: ellipse(55% 100% at 50% 100%);
            z-index: 1;
        }

        /* ── Scroll-reveal ────────────────────────── */
        @keyframes heroEntrance {
            from { opacity: 0; transform: translateY(28px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        .hero-entrance {
            opacity: 0;
            animation: heroEntrance 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
        }

        .reveal {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
                        transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
        }

        .reveal.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ── Scroll progress bar ──────────────────── */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, #0D9488, #14B8A6, #0D9488);
            z-index: 200;
            width: 0%;
            transition: width 0.12s linear;
        }

        /* ── Back-to-top ─────────────────────────── */
        .back-to-top {
            position: fixed;
            bottom: 100px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0D9488, #14B8A6);
            color: white;
            border: none;
            cursor: pointer;
            font-size: 20px;
            box-shadow: 0 4px 20px rgba(13,148,136,0.35);
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: opacity 0.35s, transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .back-to-top.is-visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .back-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(13,148,136,0.5);
        }

        .back-to-top:active {
            transform: translateY(0);
        }

        /* ── Hero floating decorations ───────────── */
        .hero-decor {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.12;
        }

        .hero-decor:nth-child(1) {
            width: 320px; height: 320px;
            background: radial-gradient(circle, #0D9488, transparent);
            top: -80px; left: -100px;
            opacity: 0.18;
            animation: heroFloat 8s ease-in-out infinite;
        }

        .hero-decor:nth-child(2) {
            width: 220px; height: 220px;
            background: radial-gradient(circle, #14B8A6, transparent);
            bottom: 30px; right: -60px;
            opacity: 0.15;
            animation: heroFloat 10s ease-in-out infinite reverse;
        }

        /* ── Footer ───────────────────────────────── */
        .site-footer {
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 5%;
            right: 5%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
        }

        .footer-link {
            position: relative;
            text-decoration: none;
        }

        .footer-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: rgba(255,255,255,0.7);
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .hero-decor:nth-child(3) {
            width: 140px; height: 140px;
            background: radial-gradient(circle, #F97316, transparent);
            top: 35%; right: 10%;
            opacity: 0.1;
            animation: heroFloat 7s ease-in-out infinite 1s;
        }

        @keyframes heroFloat {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(20px, -20px) scale(1.05); }
            66% { transform: translate(-10px, 15px) scale(0.95); }
        }

        #features .glass-card > div[style] {
            transition: transform 0.2s ease-out;
        }

        #features .glass-card:hover > div[style] {
            transform: scale(1.05);
        }

        @media (max-width: 768px) {
            .tool-grid {
                gap: 12px;
            }

            .tool-card {
                padding: 20px 16px;
            }

            .hero-bg h1 {
                font-size: 2rem;
            }

            .hero-bg .stat-number {
                font-size: 1.75rem;
            }
        }

        /* ── CTA Button Enhancement ────────────────── */
        .btn-cta {
            background: linear-gradient(135deg, #0D9488, #14B8A6);
            position: relative;
            overflow: hidden;
        }

        .btn-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
            transition: left 0.6s ease;
        }

        .btn-cta:hover::before {
            left: 100%;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(13,148,136,0.38);
        }

        .btn-cta:active {
            transform: translateY(-1px);
        }

        /* ── Feature Cards Enhancement ─────────────── */
        #features .glass-card {
            position: relative;
            overflow: hidden;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        #features .glass-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(13,148,136,0.05) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.35s ease;
        }

        #features .glass-card:hover::before {
            opacity: 1;
        }

        #features .glass-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 24px 48px rgba(13,148,136,0.15);
        }

        /* ── Category Badge Enhancement ───────────── */
        .popular-badge {
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%, 100% { box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3); }
            50% { box-shadow: 0 4px 16px rgba(249, 115, 22, 0.5); }
        }

        /* ── Glass Card Enhancement ───────────────── */
        .glass-card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .glass-card:hover {
            background: rgba(255, 255, 255, 0.92);
        }

        /* ── Stat Cards Glow Effect ───────────────── */
        .stat-card {
            position: relative;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            inset: -2px;
            background: linear-gradient(135deg, rgba(13,148,136,0.1), rgba(20,184,166,0.05));
            border-radius: inherit;
            z-index: -1;
            opacity: 0;
            transition: opacity 0.35s ease;
        }

        .stat-card:hover::after {
            opacity: 1;
        }

        /* ── FAQ Item Enhancement ─────────────────── */
        .faq-item {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item:hover {
            transform: translateX(4px);
        }

        .faq-item.is-open {
            background: linear-gradient(135deg, rgba(13,148,136,0.08), rgba(20,184,166,0.04));
        }

        /* ── Dark Mode Styles ────────────────────── */
        .dark {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-card: rgba(30, 41, 59, 0.8);
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border-color: rgba(255, 255, 255, 0.1);
            --primary-color: #2dd4bf;
            --primary-light: #14b8a6;
        }

        .dark body {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            color: #f1f5f9;
        }

        .dark .glass-card {
            background: rgba(30, 41, 59, 0.9);
            border-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(16px);
        }

        .dark .glass-card:hover {
            background: rgba(47, 65, 85, 0.9);
            border-color: rgba(45, 212, 191, 0.3);
        }

        .dark .tool-card {
            background: rgba(30, 41, 59, 0.8);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .dark .tool-card:hover {
            background: rgba(47, 65, 85, 0.9);
            border-color: rgba(45, 212, 191, 0.3);
        }

        .dark .tool-title {
            color: #f1f5f9;
        }

        .dark .tool-title:hover {
            color: #2dd4bf;
        }

        .dark .tool-card p {
            color: #94a3b8;
        }

        .dark .filter-tab {
            background: rgba(30, 41, 59, 0.8);
            border-color: rgba(255, 255, 255, 0.1);
            color: #cbd5e1;
        }

        .dark .filter-tab:hover {
            border-color: #2dd4bf;
            color: #2dd4bf;
            background: rgba(45, 212, 191, 0.1);
        }

        .dark .filter-tab.is-active {
            background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
            color: white;
        }

        .dark h1, .dark h2, .dark h3, .dark h4, .dark h5, .dark h6 {
            color: #f1f5f9;
        }

        .dark p {
            color: #cbd5e1;
        }

        .dark .text-[#134E4A] {
            color: #2dd4bf !important;
        }

        .dark .text-[#475569] {
            color: #94a3b8 !important;
        }

        .dark .text-[#64748B] {
            color: #64748B !important;
        }

        .dark .stat-card {
            background: rgba(30, 41, 59, 0.9);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .dark .stat-number {
            color: #2dd4bf;
        }

        .dark .faq-item {
            background: rgba(30, 41, 59, 0.8);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .dark .faq-item:hover {
            border-color: rgba(45, 212, 191, 0.3);
        }

        .dark .faq-item.is-open {
            background: rgba(45, 212, 191, 0.1);
            border-color: rgba(45, 212, 191, 0.3);
        }

        .dark .faq-question {
            color: #f1f5f9;
        }

        .dark .faq-question:hover {
            color: #2dd4bf;
        }

        .dark .faq-answer {
            color: #cbd5e1;
        }

        .dark .hero-bg {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.95) 100%);
        }

        .dark .popular-badge {
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            color: white;
        }

        .dark .btn-cta {
            background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
            color: white;
        }

        .dark .btn-cta:hover {
            box-shadow: 0 14px 36px rgba(45, 212, 191, 0.3);
        }

        .dark .back-to-top {
            background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
        }

        .dark .scroll-progress {
            background: linear-gradient(90deg, #2dd4bf, #14b8a6, #2dd4bf);
        }

        .dark .nav-glass {
            background: rgba(15, 23, 42, 0.95);
            border-bottom-color: rgba(255, 255, 255, 0.1);
        }

        .dark .nav-glass.scrolled {
            background: rgba(15, 23, 42, 0.98);
        }

        .dark .nav-item {
            color: #cbd5e1;
        }

        .dark .nav-item:hover {
            color: #2dd4bf;
        }

        .dark .nav-dropdown-content {
            background: rgba(30, 41, 59, 0.98);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .dark .nav-dropdown-content a {
            color: #cbd5e1;
        }

        .dark .nav-dropdown-content a:hover {
            background: rgba(45, 212, 191, 0.1);
            color: #2dd4bf;
        }

        /* ── Mobile Responsive Enhancements ───────── */
        @media (max-width: 768px) {
            .hero-entrance {
                padding: 0 8px;
            }

            h1.hero-entrance {
                font-size: 2.25rem;
                line-height: 1.3;
            }

            .btn-cta {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
                font-size: 16px;
            }

            .stat-card {
                padding: 12px 8px;
            }

            .stat-number {
                font-size: 1.75rem;
            }

            .filter-tab {
                padding: 10px 16px;
                font-size: 13px;
            }

            .tool-card {
                padding: 20px;
            }

            .tool-card .icon-wrapper {
                width: 44px;
                height: 44px;
            }

            .tool-card h3 {
                font-size: 16px;
            }

            .glass-card {
                padding: 16px;
            }

            .faq-question {
                padding: 16px 0;
                font-size: 15px;
            }

            .back-to-top {
                width: 44px;
                height: 44px;
                right: 16px;
                bottom: 80px;
            }
        }

        @media (max-width: 480px) {
            .hero-bg {
                padding-top: 100px;
                padding-bottom: 24px;
            }

            h1.hero-entrance {
                font-size: 1.875rem;
            }

            .hero-entrance.text-lg {
                font-size: 1rem;
            }

            .grid.grid-cols-3 {
                gap: 8px;
            }

            .stat-card {
                padding: 10px 6px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .filter-tab {
                padding: 8px 12px;
                font-size: 12px;
            }

            .tool-grid {
                gap: 12px;
            }

            .tool-card {
                padding: 16px;
            }

            .popular-badge {
                font-size: 10px;
                padding: 3px 8px;
            }
        }