/**
 * Clavier Arabe Plus - Main Stylesheet
 * Clean, professional, AdSense-friendly design
 * Mobile-first responsive approach
 */

/* ===========================
   CSS Variables (Design System)
   =========================== */
:root {
    /* Colors */
    --color-primary: #2C5F8D;
    --color-primary-dark: #1e4363;
    --color-primary-light: #4a7ba7;
    --color-secondary: #E67E22;
    --color-success: #27AE60;
    --color-danger: #E74C3C;

    /* Neutral Colors */
    --color-bg: #F8F9FA;
    --color-bg-white: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-light: #6C757D;
    --color-border: #DEE2E6;
    --color-shadow: rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-arabic: 'Scheherazade New', 'Traditional Arabic', 'Arial', serif;
    --font-arabic-ui: 'Cairo', 'Segoe UI', 'Arial', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Layout */
    --container-width: 1200px;
    --content-width: 800px;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px var(--color-shadow);
    --transition: all 0.3s ease;
}

/* Arabic Font Override */
html[lang="ar"] {
    --font-body: var(--font-arabic);
    --font-heading: var(--font-arabic-ui);
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Prevent scroll when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    margin-top: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--color-primary-dark);
}

strong {
    font-weight: 600;
}

/* ===========================
   Layout Containers
   =========================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.content-container {
    max-width: var(--content-width);
    margin: 0 auto;
}

/* ===========================
   Header Styles
   =========================== */
.site-header {
    background: linear-gradient(135deg, #2C5F8D 0%, #1e4363 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    transition: var(--transition);
}

.logo a:hover {
    color: white;
    opacity: 0.9;
}

.logo svg {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-text {
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
    white-space: nowrap;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    margin: 0;
}


.nav-menu a {
    color: white;
    font-weight: 500;
    font-size: 0.95rem;
    font-family: var(--font-heading);
    padding: 0.6rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    transform: translateY(-1px);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.lang-link {
    font-family: 'Poppins', 'Open Sans', Arial, sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    padding: 0.35rem 0.65rem;
    border-radius: 5px;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.lang-link:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.2);
}

.lang-link.active {
    color: white;
    background-color: var(--color-secondary);
    box-shadow: 0 2px 6px rgba(230, 126, 34, 0.4);
}

.lang-separator {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: white;
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===========================
   Main Content Area
   =========================== */
main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Card Component */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 95, 141, 0.3);
}

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

.btn-secondary:hover {
    background-color: #d35400;
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

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

/* Article Content */
.article-content {
    background-color: var(--color-bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    margin: var(--spacing-xl) 0;
    box-shadow: var(--box-shadow);
}

.article-content h2 {
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-secondary);
    padding-bottom: var(--spacing-xs);
    margin-top: var(--spacing-xl);
}

.article-content h3 {
    color: var(--color-text);
    margin-top: var(--spacing-lg);
}

.article-content ul,
.article-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
}

/* FAQ Section */
.faq {
    margin-top: var(--spacing-xl);
}

.faq-item {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--color-primary);
}

.faq-question {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.faq-answer {
    color: var(--color-text);
}

/* ===========================
   Footer Styles
   =========================== */
.site-footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

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

.footer-nav {
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    list-style: none;
}

.footer-links a {
    color: var(--color-bg);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-bg);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
}

.copyright {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background: linear-gradient(180deg, #2C5F8D 0%, #1e4363 100%);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-md);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
        width: 100%;
        border-radius: 8px;
    }

    .nav-menu a:hover {
        background-color: rgba(255, 255, 255, 0.2);
    }

    .language-switcher {
        margin-top: var(--spacing-lg);
        width: 100%;
        justify-content: center;
    }

    .logo a {
        font-size: 1.1rem;
    }

    .logo svg {
        width: 36px;
        height: 36px;
    }

    .article-content {
        padding: var(--spacing-md);
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 1.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .card {
        padding: var(--spacing-md);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .language-switcher,
    .mobile-menu-toggle {
        display: none;
    }
}