@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

        :root {
            --bg-light: #f3f4f6;
            --bg-dark: #111827;
            --text-light: #1f2937;
            --text-dark: #ffffff;
            --card-bg-light: #ffffff;
            --card-bg-dark: #1f2937;
            --primary-indigo: #4f46e5;
            --primary-indigo-hover: #4338ca;
            --primary-green: #22c55e;
            --primary-green-hover: #16a34a;
            --primary-red: #ef4444;
            --primary-red-hover: #dc2626;
            --text-muted-light: #6b7280;
            --text-muted-dark: #9ca3af;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-light);
            color: var(--text-light);
            margin: 0;
            padding: 0;
            line-height: 1.5;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        body.dark {
            background-color: var(--bg-dark);
            color: var(--text-dark);
        }

        .landing-page {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            width: 100%;
        }

        .header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .header h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-indigo);
            line-height: 1.25;
        }

        .header p {
            margin-top: 1rem;
            font-size: 1.25rem;
            color: var(--text-muted-light);
            max-width: 42rem;
            margin-left: auto;
            margin-right: auto;
        }

        body.dark .header p {
            color: var(--text-muted-dark);
        }

        .main-content {
            width: 100%;
            max-width: 56rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin: 0 auto;
        }

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

        .card {
            background-color: var(--card-bg-light);
            padding: 2rem;
            border-radius: 0.75rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
        }

        body.dark .card {
            background-color: var(--card-bg-dark);
        }

        .card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
        }

        .button {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            border-radius: 0.375rem;
            font-weight: 600;
            transition: background-color 0.2s ease, transform 0.2s ease;
            text-decoration: none;
            color: #ffffff;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

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

        .button-indigo {
            background-color: var(--primary-indigo);
        }

        .button-indigo:hover {
            background-color: var(--primary-indigo-hover);
        }

        .button-green {
            background-color: var(--primary-green);
        }

        .button-green:hover {
            background-color: var(--primary-green-hover);
        }

        .button-white {
            background-color: rgba(255, 255, 255, 0.2);
            color: #ffffff;
            border: 2px solid #ffffff;
        }

        .button-white:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .footer {
            margin-top: 3rem;
            text-align: center;
            color: var(--text-muted-light);
            font-size: 0.875rem;
        }
        .footer a{
            color: var(--primary-indigo);
            text-decoration: none;
        }

        body.dark .footer {
            color: var(--text-muted-dark);
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .button-pulse {
            animation: pulse 1.5s infinite;
        }

        .hero-section {
            position: relative;
            width: 100%;
            height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #ffffff;
            background: var(--primary-indigo);
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.1);
        }

        .hero-content {
            position: relative;
            z-index: 10;
            padding: 1rem;
            max-width: 60rem;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            font-weight: 400;
            max-width: 40rem;
            margin: 0 auto 2rem;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
        }

        .features-section {
            padding: 4rem 1rem;
            text-align: center;
        }

        .features-header {
            margin-bottom: 3rem;
        }

        .features-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-indigo);
            margin-bottom: 1rem;
        }

        .features-header p {
            font-size: 1.1rem;
            color: var(--text-muted-light);
        }

        body.dark .features-header p {
            color: var(--text-muted-dark);
        }

        .feature-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .feature-icon-bs {
            font-size: 2rem;
            color: white;
            background-color: var(--primary-indigo);
            padding: 1.5rem;
            border-radius: 50%;
            margin-bottom: 1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        body.dark .feature-icon-bs {
            background-color: var(--card-bg-dark);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            font-size: 1rem;
            color: var(--text-muted-light);
        }

        body.dark .feature-card p {
            color: var(--text-muted-dark);
        }

        .theme-toggle-btn {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background-color: var(--primary-indigo);
            color: #ffffff;
            border-radius: 50%;
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .theme-toggle-btn:hover {
            background-color: var(--primary-indigo-hover);
            transform: scale(1.05);
        }

        .theme-toggle-btn svg {
            width: 1.5rem;
            height: 1.5rem;
        }