/* 
 * Ask Alex - Main Stylesheet
 * الستايل الأساسي لموقع أسأل أليكس
 */

/* إعادة تعيين النمط الافتراضي */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* المتغيرات */
:root {
    --primary-color: #2a2a2a;
    --secondary-color: #3498db;
    --accent-color: #f39c12;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --dark-bg-color: #1c1c1c;
    --light-text: #f5f5f5;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

/* أساسيات */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: var(--secondary-color);
}

/* الهيدر والتنقل */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: var(--dark-bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 20px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--light-text);
    font-size: 1.8rem;
    font-weight: 700;
}

nav ul {
    display: flex;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: var(--light-text);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

nav ul li a:hover {
    color: var(--accent-color);
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

.language-switcher {
    display: flex;
    gap: 8px;
}

.language-switcher button {
    background: transparent;
    border: 1px solid var(--light-text);
    color: var(--light-text);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.language-switcher button.active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.language-switcher button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1621905251918-48416bd8575a?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: var(--light-text);
    text-align: center;
    padding: 150px 0 100px;
    margin-top: 0;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
}

.primary-btn {
    background-color: var(--secondary-color);
    color: white;
}

.primary-btn:hover {
    background-color: #2980b9;
    color: white;
}

.secondary-btn {
    background-color: transparent;
    border: 2px solid var(--light-text);
    color: var(--light-text);
}

.secondary-btn:hover {
    background-color: var(--light-text);
    color: var(--dark-bg-color);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Projects Section */
.projects-section {
    background-color: var(--dark-bg-color);
    color: var(--light-text);
}

.projects-section .section-title {
    color: var(--light-text);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--light-text);
}

.project-stat {
    margin-top: 25px;
    text-align: center;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

/* Contact Section */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-item {
    text-align: center;
    padding: 30px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 350px;
    background-color: var(--card-bg);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    overflow: hidden;
    z-index: 1000;
    display: none;
    transition: var(--transition);
}

.chat-widget.active {
    display: flex;
    flex-direction: column;
    height: 500px;
}

.chat-header {
    background-color: var(--dark-bg-color);
    color: var(--light-text);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    margin: 0;
}

.toggle-chat-btn {
    background: transparent;
    border: none;
    color: var(--light-text);
    font-size: 1.5rem;
    cursor: pointer;
}

.chat-body {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.chat-welcome {
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-color);
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius);
}

.chat-message {
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    padding: 12px;
    max-width: 80%;
    word-wrap: break-word;
}

.user-message {
    background-color: var(--secondary-color);
    color: var(--light-text);
    margin-left: auto;
}

.bot-message {
    background-color: #f0f0f0;
    position: relative;
}

.message-sources {
    font-size: 0.8rem;
    color: #666;
    margin-top: 5px;
    padding-top: 5px;
    border-top: 1px solid #ddd;
}

.chat-input {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
}

.chat-input textarea {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    resize: none;
    height: 50px;
    font-family: inherit;
}

.chat-input button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0 20px;
    cursor: pointer;
    transition: var(--transition);
}

.chat-input button:hover {
    background-color: #2980b9;
}

.chat-actions {
    padding: 10px 15px;
    border-top: 1px solid #eee;
    text-align: right;
}

#clear-chat {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 0.9rem;
}

#clear-chat:hover {
    text-decoration: underline;
}

.open-chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 12px 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    z-index: 999;
    transition: var(--transition);
}

.open-chat-btn i {
    font-size: 1.2rem;
}

.open-chat-btn:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: var(--dark-bg-color);
    color: var(--light-text);
    text-align: center;
    padding: 30px 0;
}

/* التجاوب */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        margin: 15px 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .chat-widget {
        width: calc(100% - 40px);
        right: 20px;
        left: 20px;
    }
    
    .open-chat-btn {
        right: 20px;
        bottom: 20px;
        padding: 10px 20px;
    }
}