ما هو الحرف؟

📦 النحو الواضح
✨ The Prompt Phrase
كل ~لفظ~ لا يظهر معناه كاملا إلا ~مع غيره~ وهذا هو الحرف

💻 Code Preview

📦 All-in-One Code
<!DOCTYPE html>
<html lang="ar" dir="rtl">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>ما هو الحرف؟ - Interactive Tutorial</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Amiri:wght@400;700&family=Tajawal:wght@300;400;500;700;800&display=swap" rel="stylesheet">
    <style>
        /* =============================================
           CSS CUSTOM PROPERTIES
        ============================================= */
        :root {
            --primary: #a855f7;
            --primary-dark: #9333ea;
            --secondary: #3b82f6;
            --accent: #14b8a6;
            --accent-light: #2dd4bf;
            --warning: #f59e0b;
            --danger: #ef4444;
            --success: #22c55e;
            
            --bg-dark: #0c0a1d;
            --bg-darker: #06050f;
            --bg-card: rgba(26, 20, 54, 0.85);
            --bg-glass: rgba(255, 255, 255, 0.04);
            
            --text-primary: #f1f5f9;
            --text-secondary: #a1a1aa;
            --text-muted: #71717a;
            
            --border-color: rgba(168, 85, 247, 0.2);
            --glow-primary: rgba(168, 85, 247, 0.35);
            --glow-accent: rgba(20, 184, 166, 0.35);
            
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --radius-full: 9999px;
            
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 50px var(--glow-primary);
            
            --transition-fast: 0.15s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            
            --font-arabic: 'Amiri', serif;
            --font-ui: 'Tajawal', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-ui);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.85;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Animated gradient background */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: 
                radial-gradient(ellipse 70% 50% at 15% 20%, rgba(168, 85, 247, 0.12), transparent),
                radial-gradient(ellipse 60% 45% at 85% 75%, rgba(59, 130, 246, 0.1), transparent),
                radial-gradient(ellipse 50% 35% at 50% 50%, rgba(20, 184, 166, 0.08), transparent);
            pointer-events: none;
            z-index: -1;
            animation: bgFloat 20s ease-in-out infinite alternate;
        }

        @keyframes bgFloat {
            0% { opacity: 1; transform: scale(1); }
            100% { opacity: 0.85; transform: scale(1.05); }
        }

        /* =============================================
           TYPOGRAPHY
        ============================================= */
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-arabic);
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
        }

        h1 { font-size: clamp(2.2rem, 6vw, 4rem); }
        h2 { font-size: clamp(1.6rem, 4.5vw, 2.8rem); }
        h3 { font-size: clamp(1.3rem, 3.5vw, 1.9rem); }
        h4 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

        p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

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

        a:hover {
            color: var(--accent-light);
        }

        .arabic-large {
            font-family: var(--font-arabic);
            font-size: 1.4em;
            line-height: 2.3;
        }

        /* =============================================
           UTILITIES
        ============================================= */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        .gradient-text {
            background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* =============================================
           GLASS CARD
        ============================================= */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-normal);
        }

        .glass-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            border-color: rgba(168, 85, 247, 0.4);
        }

        /* =============================================
           NAVIGATION
        ============================================= */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(12, 10, 29, 0.92);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid var(--border-color);
            padding: 0.8rem 0;
        }

        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .nav-logo {
            font-family: var(--font-arabic);
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links {
            display: flex;
            gap: 0.5rem;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-secondary);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: var(--bg-glass);
        }

        /* =============================================
           HERO SECTION
        ============================================= */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 7rem 1.5rem 5rem;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            text-align: center;
            max-width: 1000px;
            animation: heroReveal 1.2s ease-out;
        }

        @keyframes heroReveal {
            from {
                opacity: 0;
                transform: translateY(50px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 0.7rem 1.6rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            animation: badgeGlow 3s ease-in-out infinite;
        }

        @keyframes badgeGlow {
            0%, 100% { box-shadow: 0 0 0 0 var(--glow-primary); }
            50% { box-shadow: 0 0 0 15px transparent; }
        }

        .hero-title {
            margin-bottom: 1.5rem;
            text-shadow: 0 0 80px var(--glow-primary);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Main phrase box */
        .phrase-box {
            background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(59, 130, 246, 0.1));
            border: 2px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 3rem;
            margin: 2.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .phrase-box::before {
            content: '❝';
            position: absolute;
            top: -30px;
            right: 30px;
            font-size: 8rem;
            opacity: 0.06;
            color: var(--primary);
        }

        .phrase-box::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }

        .phrase-text {
            font-family: var(--font-arabic);
            font-size: clamp(1.2rem, 3vw, 1.8rem);
            line-height: 2.5;
            color: var(--text-primary);
        }

        /* Highlighted terms */
        .term {
            display: inline-block;
            padding: 0.2rem 0.9rem;
            margin: 0.2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            transition: var(--transition-normal);
            cursor: default;
        }

        .term:hover {
            transform: scale(1.1) rotate(-2deg);
        }

        .term-word {
            background: rgba(168, 85, 247, 0.2);
            color: var(--primary);
            border: 1px solid rgba(168, 85, 247, 0.4);
        }

        .term-dependent {
            background: rgba(20, 184, 166, 0.2);
            color: var(--accent);
            border: 1px solid rgba(20, 184, 166, 0.4);
        }

        .term-harf {
            background: rgba(59, 130, 246, 0.2);
            color: var(--secondary);
            border: 1px solid rgba(59, 130, 246, 0.4);
        }

        /* Floating decorations */
        .floating-shapes {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .shape {
            position: absolute;
            font-size: 2.5rem;
            opacity: 0.2;
            animation: shapeFloat 10s ease-in-out infinite;
        }

        .shape:nth-child(1) { top: 12%; left: 8%; animation-delay: 0s; }
        .shape:nth-child(2) { top: 22%; right: 10%; animation-delay: 2s; }
        .shape:nth-child(3) { bottom: 30%; left: 12%; animation-delay: 4s; }
        .shape:nth-child(4) { bottom: 18%; right: 8%; animation-delay: 1s; }
        .shape:nth-child(5) { top: 50%; left: 4%; animation-delay: 3s; }
        .shape:nth-child(6) { top: 40%; right: 4%; animation-delay: 5s; }

        @keyframes shapeFloat {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            33% { transform: translateY(-20px) rotate(10deg); }
            66% { transform: translateY(10px) rotate(-5deg); }
        }

        /* Stats */
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3.5rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

        .stat {
            text-align: center;
        }

        .stat-value {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        /* =============================================
           SECTIONS
        ============================================= */
        .section {
            padding: 5.5rem 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-icon {
            font-size: 4rem;
            display: block;
            margin-bottom: 1rem;
            animation: iconPop 2.5s ease-in-out infinite;
        }

        @keyframes iconPop {
            0%, 100% { transform: translateY(0) scale(1); }
            50% { transform: translateY(-15px) scale(1.1); }
        }

        .section-title {
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.15rem;
        }

        /* =============================================
           CONCEPT CARDS
        ============================================= */
        .concepts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.75rem;
        }

        .concept-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.25rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: var(--transition-normal);
        }

        .concept-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: right;
            transition: var(--transition-normal);
        }

        .concept-card:hover::before {
            transform: scaleX(1);
            transform-origin: left;
        }

        .concept-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            border-color: var(--primary);
        }

        .concept-icon {
            font-size: 3.5rem;
            margin-bottom: 1.25rem;
        }

        .concept-title {
            font-size: 1.4rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .concept-desc {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        /* =============================================
           VISUAL DEMO - Particle Connection
        ============================================= */
        .demo-container {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 3rem;
            margin: 2.5rem 0;
        }

        .demo-title {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .connection-demo {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }

        .demo-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .demo-word {
            background: var(--bg-card);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.25rem 2rem;
            font-family: var(--font-arabic);
            font-size: 1.5rem;
            font-weight: 700;
            text-align: center;
            min-width: 100px;
            transition: var(--transition-normal);
        }

        .demo-word:hover {
            transform: scale(1.08);
        }

        .demo-word.particle {
            background: rgba(168, 85, 247, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }

        .demo-word.particle.alone {
            opacity: 0.5;
            border-style: dashed;
        }

        .demo-word.noun {
            background: rgba(20, 184, 166, 0.15);
            border-color: var(--accent);
            color: var(--accent);
        }

        .demo-word.complete {
            background: rgba(34, 197, 94, 0.15);
            border-color: var(--success);
            color: var(--success);
        }

        .demo-connector {
            font-size: 2rem;
            color: var(--primary);
            animation: connectorPulse 1.5s ease-in-out infinite;
        }

        @keyframes connectorPulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .demo-result {
            text-align: center;
            padding: 1rem;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
        }

        .demo-result.incomplete {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
            color: var(--danger);
        }

        .demo-result.complete {
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.3);
            color: var(--success);
        }

        /* =============================================
           ACCORDION
        ============================================= */
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        details {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-normal);
        }

        details:hover {
            border-color: rgba(168, 85, 247, 0.5);
        }

        details[open] {
            box-shadow: var(--shadow-md);
        }

        summary {
            padding: 1.4rem 1.75rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.15rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            list-style: none;
            transition: var(--transition-fast);
            color: var(--text-primary);
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::before {
            content: '◀';
            font-size: 0.8rem;
            color: var(--primary);
            transition: var(--transition-fast);
        }

        details[open] summary::before {
            transform: rotate(-90deg);
        }

        summary:hover {
            background: rgba(168, 85, 247, 0.1);
        }

        .details-content {
            padding: 0 1.75rem 1.75rem;
            animation: contentSlide 0.35s ease-out;
        }

        @keyframes contentSlide {
            from {
                opacity: 0;
                transform: translateY(-15px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* =============================================
           TABS (CSS-Only)
        ============================================= */
        .tabs-wrapper {
            margin: 2.5rem 0;
        }

        .tabs-nav {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .tab-input {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }

        .tab-label {
            padding: 1.1rem 2rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-bottom: none;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            cursor: pointer;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .tab-label:hover {
            background: rgba(168, 85, 247, 0.12);
            color: var(--text-primary);
        }

        .tab-input:checked + .tab-label {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            border-color: var(--primary);
        }

        .tabs-content {
            position: relative;
            min-height: 320px;
        }

        .tab-panel {
            display: none;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
            padding: 2.25rem;
            animation: panelFade 0.4s ease-out;
        }

        @keyframes panelFade {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        #tab-jar:checked ~ .tabs-content .panel-jar,
        #tab-nasb:checked ~ .tabs-content .panel-nasb,
        #tab-other:checked ~ .tabs-content .panel-other {
            display: block;
        }

        /* =============================================
           EXAMPLES TABLE
        ============================================= */
        .examples-table-wrapper {
            overflow-x: auto;
            margin: 2rem 0;
        }

        .examples-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-glass);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .examples-table th,
        .examples-table td {
            padding: 1.4rem 1.75rem;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .examples-table th {
            background: rgba(168, 85, 247, 0.2);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
        }

        .examples-table tbody tr {
            transition: var(--transition-fast);
        }

        .examples-table tbody tr:hover {
            background: rgba(168, 85, 247, 0.08);
        }

        .examples-table tbody tr:last-child td {
            border-bottom: none;
        }

        .table-particle {
            font-family: var(--font-arabic);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
        }

        .table-example {
            font-family: var(--font-arabic);
            font-size: 1.15rem;
            color: var(--text-primary);
        }

        .table-meaning {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* =============================================
           QUIZ (CSS-Only)
        ============================================= */
        .quiz-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .quiz-question {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.25rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }

        .quiz-badge {
            position: absolute;
            top: -15px;
            right: 25px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
        }

        .quiz-text {
            font-size: 1.25rem;
            font-family: var(--font-arabic);
            margin-bottom: 1.75rem;
            color: var(--text-primary);
            padding-top: 0.75rem;
        }

        .quiz-options {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }

        .quiz-radio {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }

        .quiz-label {
            display: block;
            padding: 1.15rem 1.75rem;
            padding-right: 4rem;
            background: rgba(255, 255, 255, 0.03);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition-fast);
            position: relative;
            font-family: var(--font-arabic);
            font-size: 1.1rem;
        }

        .quiz-label::before {
            content: '';
            position: absolute;
            right: 1.25rem;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            border: 2px solid var(--border-color);
            border-radius: 50%;
            transition: var(--transition-fast);
        }

        .quiz-label:hover {
            border-color: var(--primary);
            background: rgba(168, 85, 247, 0.08);
        }

        .quiz-radio:checked + .quiz-label {
            border-color: var(--primary);
            background: rgba(168, 85, 247, 0.12);
        }

        .quiz-radio:checked + .quiz-label::before {
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 4px var(--bg-dark);
        }

        /* Quiz Feedback */
        .quiz-feedback {
            margin-top: 1.5rem;
            padding: 1.25rem 1.5rem;
            border-radius: var(--radius-md);
            display: none;
            animation: feedbackBounce 0.5s ease-out;
        }

        @keyframes feedbackBounce {
            0% { transform: scale(0.85); opacity: 0; }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); opacity: 1; }
        }

        .feedback-correct {
            background: rgba(34, 197, 94, 0.15);
            border: 1px solid rgba(34, 197, 94, 0.4);
            color: var(--success);
        }

        .feedback-wrong {
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.4);
            color: var(--danger);
        }

        /* Quiz 1 */
        #q1b:checked ~ .q1-correct { display: block; }
        #q1a:checked ~ .q1-wrong,
        #q1c:checked ~ .q1-wrong { display: block; }

        /* Quiz 2 */
        #q2a:checked ~ .q2-correct { display: block; }
        #q2b:checked ~ .q2-wrong,
        #q2c:checked ~ .q2-wrong { display: block; }

        /* Quiz 3 */
        #q3c:checked ~ .q3-correct { display: block; }
        #q3a:checked ~ .q3-wrong,
        #q3b:checked ~ .q3-wrong { display: block; }

        /* Confetti */
        .confetti-wrap {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
            opacity: 0;
        }

        #q1b:checked ~ .confetti-wrap,
        #q2a:checked ~ .confetti-wrap,
        #q3c:checked ~ .confetti-wrap {
            opacity: 1;
        }

        .confetti {
            position: absolute;
            width: 12px;
            height: 12px;
            top: 0;
        }

        .confetti:nth-child(1) { left: 8%; background: var(--primary); animation: confettiDrop 2s ease-out forwards; animation-delay: 0s; border-radius: 50%; }
        .confetti:nth-child(2) { left: 18%; background: var(--secondary); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.1s; }
        .confetti:nth-child(3) { left: 28%; background: var(--accent); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.2s; border-radius: 50%; }
        .confetti:nth-child(4) { left: 38%; background: var(--warning); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.15s; }
        .confetti:nth-child(5) { left: 48%; background: var(--primary); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.25s; border-radius: 50%; }
        .confetti:nth-child(6) { left: 58%; background: var(--danger); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.08s; }
        .confetti:nth-child(7) { left: 68%; background: var(--secondary); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.3s; border-radius: 50%; }
        .confetti:nth-child(8) { left: 78%; background: var(--accent); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.12s; }
        .confetti:nth-child(9) { left: 88%; background: var(--warning); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.22s; border-radius: 50%; }
        .confetti:nth-child(10) { left: 95%; background: var(--primary); animation: confettiDrop 2s ease-out forwards; animation-delay: 0.18s; }

        @keyframes confettiDrop {
            0% {
                transform: translateY(-30px) rotate(0deg) scale(1);
                opacity: 1;
            }
            100% {
                transform: translateY(400px) rotate(1080deg) scale(0.3);
                opacity: 0;
            }
        }

        /* =============================================
           TIPS CARDS
        ============================================= */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.75rem;
        }

        .tip-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            overflow: hidden;
            transition: var(--transition-normal);
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, var(--primary), transparent);
            opacity: 0.08;
            border-radius: 0 0 0 100%;
        }

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

        .tip-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 1.25rem;
        }

        .tip-title {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .tip-desc {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        /* =============================================
           MISTAKES SECTION
        ============================================= */
        .mistake-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            margin-bottom: 1.75rem;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 1.75rem;
            align-items: flex-start;
            transition: var(--transition-normal);
        }

        .mistake-card:hover {
            border-color: rgba(239, 68, 68, 0.5);
            box-shadow: 0 0 30px rgba(239, 68, 68, 0.1);
        }

        .mistake-icon {
            font-size: 3rem;
        }

        .mistake-title {
            color: var(--danger);
            margin-bottom: 0.6rem;
            font-size: 1.15rem;
        }

        .mistake-desc {
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
        }

        .mistake-fix {
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.25);
            border-radius: var(--radius-sm);
            padding: 1.25rem;
        }

        .mistake-fix-title {
            color: var(--success);
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* =============================================
           SUMMARY CARD
        ============================================= */
        .summary-card {
            background: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(59, 130, 246, 0.12), rgba(20, 184, 166, 0.12));
            border: 2px solid rgba(168, 85, 247, 0.35);
            border-radius: var(--radius-xl);
            padding: 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .summary-card::before {
            content: '📋';
            position: absolute;
            top: -50px;
            left: -50px;
            font-size: 200px;
            opacity: 0.04;
        }

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

        .summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.25rem;
        }

        .summary-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 1.75rem;
        }

        .summary-item-title {
            color: var(--accent);
            font-size: 1.15rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .summary-list {
            list-style: none;
        }

        .summary-list li {
            padding: 0.6rem 0;
            padding-right: 2rem;
            position: relative;
            color: var(--text-secondary);
        }

        .summary-list li::before {
            content: '✓';
            position: absolute;
            right: 0;
            color: var(--success);
            font-weight: 700;
        }

        /* =============================================
           TOOLTIP (CSS-Only)
        ============================================= */
        .tooltip {
            position: relative;
            display: inline-block;
            border-bottom: 2px dotted var(--primary);
            cursor: help;
        }

        .tooltip::after {
            content: attr(data-tip);
            position: absolute;
            bottom: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg-darker);
            color: var(--text-primary);
            padding: 0.85rem 1.15rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            white-space: nowrap;
            max-width: 300px;
            white-space: normal;
            text-align: center;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-fast);
            z-index: 100;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .tooltip::before {
            content: '';
            position: absolute;
            bottom: calc(100% + 4px);
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-top-color: var(--bg-darker);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-fast);
        }

        .tooltip:hover::after,
        .tooltip:hover::before {
            opacity: 1;
            visibility: visible;
        }

        /* =============================================
           FOOTER
        ============================================= */
        .footer {
            background: rgba(6, 5, 15, 0.7);
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0;
            margin-top: 5rem;
        }

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

        .footer-logo {
            font-family: var(--font-arabic);
            font-size: 1.75rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .footer-text {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 1.75rem;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 0.7rem 1.75rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

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

            .hero {
                padding: 5.5rem 1rem 3.5rem;
            }

            .phrase-text {
                font-size: 1.1rem;
            }

            .phrase-box {
                padding: 2rem;
            }

            .hero-stats {
                gap: 2rem;
            }

            .section {
                padding: 4rem 0;
            }

            .glass-card {
                padding: 1.75rem;
            }

            .demo-row {
                flex-direction: column;
            }

            .demo-connector {
                transform: rotate(90deg);
            }

            .tab-label {
                padding: 0.85rem 1.25rem;
                font-size: 0.9rem;
            }

            .mistake-card {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .summary-card {
                padding: 2.5rem 1.75rem;
            }
        }

        @media (max-width: 480px) {
            html {
                font-size: 14px;
            }

            .term {
                display: block;
                margin: 0.5rem auto;
                max-width: fit-content;
            }

            .tabs-nav {
                flex-direction: column;
            }

            .tab-label {
                border-radius: var(--radius-md);
                border: 1px solid var(--border-color);
            }

            .tab-panel {
                border-radius: var(--radius-md);
            }
        }

        /* =============================================
           ANIMATIONS
        ============================================= */
        .fade-in {
            animation: fadeInUp 0.8s ease-out both;
        }

        .fade-in:nth-child(1) { animation-delay: 0.1s; }
        .fade-in:nth-child(2) { animation-delay: 0.2s; }
        .fade-in:nth-child(3) { animation-delay: 0.3s; }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(35px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Achievement */
        .achievement {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
    </style>
</head>
<body>
    <!-- Navigation -->
    <nav class="navbar">
        <div class="container nav-content">
            <div class="nav-logo">🔤 الحرف</div>
            <ul class="nav-links">
                <li><a href="#what">ما هو؟</a></li>
                <li><a href="#why">لماذا؟</a></li>
                <li><a href="#how">كيف يعمل؟</a></li>
                <li><a href="#examples">أمثلة</a></li>
                <li><a href="#quiz">اختبار</a></li>
            </ul>
        </div>
    </nav>

    <!-- Hero Section -->
    <header class="hero" id="top">
        <div class="floating-shapes">
            <span class="shape">🔗</span>
            <span class="shape">✨</span>
            <span class="shape">📝</span>
            <span class="shape">🎯</span>
            <span class="shape">💡</span>
            <span class="shape">🌟</span>
        </div>

        <div class="hero-content">
            <span class="hero-badge">🎓 درس تفاعلي في النحو العربي</span>
            
            <h1 class="hero-title">
                <span class="gradient-text">الحرف في اللغة العربية</span>
            </h1>
            
            <p class="hero-subtitle">
                الكلمة التي لا يكتمل معناها إلا مع غيرها — الرابط الخفي في بناء الجمل
            </p>

            <div class="phrase-box">
                <p class="phrase-text">
                    كل 
                    <span class="term term-word">لفظ</span>
                    لا يظهر معناه كاملاً إلا 
                    <span class="term term-dependent">مع غيره</span>
                    وهذا هو 
                    <span class="term term-harf">الحرف</span>
                </p>
            </div>

            <div class="hero-stats">
                <div class="stat">
                    <div class="stat-value">80+</div>
                    <div class="stat-label">حرف في العربية</div>
                </div>
                <div class="stat">
                    <div class="stat-value">3</div>
                    <div class="stat-label">أنواع رئيسية</div>
                </div>
                <div class="stat">
                    <div class="stat-value">∞</div>
                    <div class="stat-label">استخدامات</div>
                </div>
            </div>
        </div>
    </header>

    <!-- What Is It Section -->
    <section class="section" id="what">
        <div class="container">
            <div class="section-header">
                <span class="section-icon">🤔</span>
                <h2 class="section-title">ما هو الحرف؟</h2>
                <p class="section-subtitle">فهم القسم الثالث من أقسام الكلام العربي</p>
            </div>

            <div class="glass-card" style="margin-bottom: 2.5rem;">
                <p class="arabic-large" style="color: var(--text-primary); margin-bottom: 1.5rem;">
                    الحرف هو <strong>كلمة لا تدل على معنى مستقل بذاتها</strong>، بل تحتاج إلى كلمات أخرى (اسم أو فعل) لتكتسب معناها.
                </p>
                <p style="color: var(--text-secondary); font-size: 1.15rem;">
                    تخيل الحرف كـ<strong>جسر</strong> يربط بين الكلمات — الجسر وحده لا قيمة له، لكنه يصبح ضرورياً عندما يربط بين ضفتين. كذلك الحرف: "في" وحدها لا معنى لها، لكن "الكتاب <strong>في</strong> الحقيبة" تصبح جملة مفيدة.
                </p>
            </div>

            <div class="concepts-grid">
                <div class="concept-card fade-in">
                    <div class="concept-icon">🔗</div>
                    <h3 class="concept-title">الربط والوصل</h3>
                    <p class="concept-desc">
                        الحرف يربط بين الكلمات والجمل، مثل: "و"، "أو"، "ثم"، "لكن"...
                    </p>
                </div>

                <div class="concept-card fade-in">
                    <div class="concept-icon">🚫</div>
                    <h3 class="concept-title">لا معنى مستقل</h3>
                    <p class="concept-desc">
                        على عكس الاسم والفعل، الحرف لا يدل على شيء بمفرده. "من" وحدها لا تعني شيئاً.
                    </p>
                </div>

                <div class="concept-card fade-in">
                    <div class="concept-icon">⚙️</div>
                    <h3 class="concept-title">التأثير النحوي</h3>
                    <p class="concept-desc">
                        بعض الحروف تؤثر في إعراب ما بعدها: حروف الجر تجر، وحروف النصب تنصب...
                    </p>
                </div>
            </div>

            <!-- Visual Demo -->
            <div class="demo-container">
                <h3 class="demo-title">🎨 شاهد الفرق: الحرف وحده vs الحرف مع غيره</h3>
                
                <div class="connection-demo">
                    <!-- Alone -->
                    <div class="demo-row">
                        <div class="demo-word particle alone">في</div>
                        <div class="demo-result incomplete">❌ لا معنى — ماذا "في"؟ أين؟</div>
                    </div>

                    <!-- Connected -->
                    <div class="demo-row">
                        <div class="demo-word particle">في</div>
                        <span class="demo-connector">+</span>
                        <div class="demo-word noun">البيت</div>
                        <span class="demo-connector">=</span>
                        <div class="demo-word complete">في البيت</div>
                    </div>
                    
                    <div class="demo-result complete" style="max-width: 400px; margin: 0 auto;">
                        ✅ الآن اكتمل المعنى: مكان محدد!
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Why Section -->
    <section class="section" id="why">
        <div class="container">
            <div class="section-header">
                <span class="section-icon">💡</span>
                <h2 class="section-title">لماذا نتعلم الحروف؟</h2>
                <p class="section-subtitle">أهمية الحروف في بناء اللغة العربية</p>
            </div>

            <div class="accordion">
                <details open>
                    <summary>🏗️ بناء الجمل الصحيحة</summary>
                    <div class="details-content">
                        <p>الحروف هي الغراء الذي يلصق الكلمات ببعضها. بدونها، تبقى الكلمات منفصلة بلا ترابط. "ذهب محمد المدرسة" جملة ناقصة، لكن "ذهب محمد <strong>إلى</strong> المدرسة" جملة كاملة.</p>
                    </div>
                </details>

                <details>
                    <summary>📖 فهم القرآن والنصوص</summary>
                    <div class="details-content">
                        <p>القرآن الكريم مليء بالحروف التي تغير المعنى تماماً. فرق كبير بين "آمن <strong>بـ</strong>الله" و"آمن <strong>لـ</strong>له". فهم الحروف ضروري لفهم النصوص الدينية والأدبية.</p>
                    </div>
                </details>

                <details>
                    <summary>✍️ الكتابة الدقيقة</summary>
                    <div class="details-content">
                        <p>استخدام الحرف الصحيح يعطي المعنى الدقيق. "سافرت <strong>من</strong> مصر" (ابتداء) تختلف عن "سافرت <strong>عن</strong> مصر" (مجاوزة). الحرف الخاطئ = معنى خاطئ.</p>
                    </div>
                </details>

                <details>
                    <summary>🎯 إتقان الإعراب</summary>
                    <div class="details-content">
                        <p>كثير من الحروف تؤثر في إعراب ما بعدها. حروف الجر تجر الاسم، وحروف النصب تنصب الفعل المضارع. معرفة الحروف = إعراب صحيح.</p>
                    </div>
                </details>

                <details>
                    <summary>🌟 البلاغة والفصاحة</summary>
                    <div class="details-content">
                        <p>البلغاء يختارون الحروف بعناية للتأثير في المعنى. "واو" العطف تفيد الجمع، و"ثم" تفيد الترتيب مع التراخي، و"الفاء" تفيد الترتيب مع التعقيب. كل حرف له نكهته الخاصة.</p>
                    </div>
                </details>
            </div>
        </div>
    </section>

    <!-- How It Works Section -->
    <section class="section" id="how">
        <div class="container">
            <div class="section-header">
                <span class="section-icon">⚙️</span>
                <h2 class="section-title">أنواع الحروف</h2>
                <p class="section-subtitle">تصنيف الحروف حسب عملها ومعناها</p>
            </div>

            <!-- Tabs -->
            <div class="tabs-wrapper">
                <input type="radio" name="particle-tabs" id="tab-jar" class="tab-input" checked>
                <label for="tab-jar" class="tab-label">📍 حروف الجر</label>
                
                <input type="radio" name="particle-tabs" id="tab-nasb" class="tab-input">
                <label for="tab-nasb" class="tab-label">📐 حروف النصب</label>
                
                <input type="radio" name="particle-tabs" id="tab-other" class="tab-input">
                <label for="tab-other" class="tab-label">🔀 حروف أخرى</label>

                <div class="tabs-content">
                    <!-- Panel: حروف الجر -->
                    <div class="tab-panel panel-jar">
                        <h4 style="color: var(--text-primary); margin-bottom: 1.25rem;">📍 حروف الجر — تجر الاسم بعدها</h4>
                        <p style="margin-bottom: 1.5rem;">هذه الحروف تدخل على الأسماء فتجرها (تجعل آخرها مكسوراً أو ما ينوب عنه).</p>
                        
                        <div class="examples-table-wrapper">
                            <table class="examples-table">
                                <thead>
                                    <tr>
                                        <th>الحرف</th>
                                        <th>مثال</th>
                                        <th>المعنى</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    <tr>
                                        <td class="table-particle">مِن</td>
                                        <td class="table-example">خرجتُ مِن البيتِ</td>
                                        <td class="table-meaning">ابتداء الغاية</td>
                                    </tr>
                                    <tr>
                                        <td class="table-particle">إلى</td>
                                        <td class="table-example">ذهبتُ إلى المدرسةِ</td>
                                        <td class="table-meaning">انتهاء الغاية</td>
                                    </tr>
                                    <tr>
                                        <td class="table-particle">في</td>
                                        <td class="table-example">الكتابُ في الحقيبةِ</td>
                                        <td class="table-meaning">الظرفية</td>
                                    </tr>
                                    <tr>
                                        <td class="table-particle">على</td>
                                        <td class="table-example">الكتابُ على الطاولةِ</td>
                                        <td class="table-meaning">الاستعلاء</td>
                                    </tr>
                                    <tr>
                                        <td class="table-
Live Preview