/* ========================================
   OQ-AE.com - Online Quest Renewable Energy
   Professional Stylesheet
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Primary Colors */
    --deep-green: #0B6E4F;
    --light-green: #8FD694;
    --sky-blue: #1C9CF6;
    --white: #FFFFFF;
    --dark-grey: #1F1F1F;
    
    /* Secondary Colors */
    --light-grey: #F5F5F5;
    --medium-grey: #666666;
    --border-color: #E0E0E0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Cairo', 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.8;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* ========== Global Reset ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--dark-grey);
    background-color: var(--white);
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-grey);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: 1.25rem;
}

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

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

a:hover {
    color: var(--deep-green);
}

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

/* ========== Container & Layout ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--light-grey);
}

/* ========== Header & Navigation ========== */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--deep-green);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo span {
    color: var(--sky-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu li a {
    color: var(--dark-grey);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background-color: var(--light-green);
    color: var(--white);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--deep-green);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ========== Hero Section ========== */
.hero {
    background: linear-gradient(135deg, var(--deep-green) 0%, var(--sky-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-keywords {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.keyword-badge {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--sky-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: #1585D8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--deep-green);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: #095940;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

/* ========== Cards ========== */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    height: 100%;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.card-title {
    color: var(--deep-green);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.card-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--medium-grey);
}

.card-excerpt {
    color: var(--medium-grey);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.card-link {
    color: var(--sky-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.card-link:hover {
    gap: 10px;
}

/* ========== Grid Layouts ========== */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ========== Features Section ========== */
.features {
    padding: var(--spacing-xl) 0;
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--deep-green), var(--light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-title {
    color: var(--deep-green);
    margin-bottom: var(--spacing-sm);
}

/* ========== Blog Grid ========== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.article-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.article-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-category {
    display: inline-block;
    background-color: var(--light-green);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.article-title {
    color: var(--dark-grey);
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--medium-grey);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.read-time {
    color: var(--medium-grey);
    font-size: 0.875rem;
}

/* ========== Article Page ========== */
.article-header {
    background: linear-gradient(135deg, var(--deep-green) 0%, var(--sky-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.article-header h1 {
    color: var(--white);
    max-width: 900px;
    margin: 0 auto var(--spacing-md);
}

.article-meta-header {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    color: var(--white);
    opacity: 0.9;
}

.article-body {
    max-width: 850px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.article-body h2 {
    color: var(--deep-green);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 3px solid var(--light-green);
}

.article-body h3 {
    color: var(--sky-blue);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.article-body p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    line-height: 1.9;
}

.article-body ul,
.article-body ol {
    margin-bottom: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.article-body li {
    margin-bottom: var(--spacing-xs);
    color: var(--medium-grey);
    line-height: 1.8;
}

.article-body strong {
    color: var(--dark-grey);
    font-weight: 600;
}

/* ========== Tables ========== */
.table-container {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

thead {
    background-color: var(--deep-green);
    color: var(--white);
}

th, td {
    padding: var(--spacing-sm);
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
}

tbody tr:hover {
    background-color: var(--light-grey);
}

/* ========== Blockquote ========== */
blockquote {
    background-color: var(--light-grey);
    border-right: 4px solid var(--sky-blue);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
    font-style: italic;
    color: var(--medium-grey);
}

/* ========== Info Boxes ========== */
.info-box {
    background-color: #E3F2FD;
    border-right: 4px solid var(--sky-blue);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
}

.info-box.success {
    background-color: #E8F5E9;
    border-right-color: var(--deep-green);
}

.info-box.warning {
    background-color: #FFF3E0;
    border-right-color: #FF9800;
}

/* ========== Statistics Section ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.stat-card {
    background: linear-gradient(135deg, var(--deep-green), var(--sky-blue));
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========== Call to Action ========== */
.cta-section {
    background: linear-gradient(135deg, var(--deep-green) 0%, var(--sky-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-xl);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

/* ========== Footer ========== */
.footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--light-green);
    margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section li {
    color: #CCCCCC;
    margin-bottom: var(--spacing-xs);
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #CCCCCC;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--light-green);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

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

.social-links a:hover {
    background-color: var(--light-green);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #CCCCCC;
}

/* ========== Newsletter Form ========== */
.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
}

.newsletter-input {
    flex: 1;
    padding: 12px var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* ========== Domain Sale Page ========== */
.domain-hero {
    background: linear-gradient(135deg, var(--deep-green) 0%, var(--sky-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.domain-name {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.price-tag {
    font-size: 2rem;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    display: inline-block;
    margin: var(--spacing-md) 0;
}

.domain-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.domain-feature {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.domain-feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

/* ========== Breadcrumbs ========== */
.breadcrumb {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--medium-grey);
}

.breadcrumb a {
    color: var(--sky-blue);
}

.breadcrumb span {
    color: var(--medium-grey);
}

/* ========== Loading Spinner ========== */
.spinner {
    border: 4px solid var(--light-grey);
    border-top: 4px solid var(--sky-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .navbar {
        flex-wrap: wrap;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        background-color: var(--white);
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .domain-name {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ========== Print Styles ========== */
@media print {
    .header,
    .footer,
    .cta-section,
    .btn {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
}

/* ========== Accessibility ========== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--sky-blue);
    outline-offset: 2px;
}

/* ========== Animations ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

/* ========== Utilities ========== */
.text-center {
    text-align: center;
}

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

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }