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

:root {
    --primary-color: #8B4513;
    --secondary-color: #DAA520;
    --accent-color: #CD853F;
    --text-dark: #2C1810;
    --text-light: #6B4423;
    --background-light: #FFF8DC;
    --background-white: #FFFFFF;
    --border-color: #E6D7C3;
    --shadow-light: rgba(139, 69, 19, 0.1);
    --shadow-medium: rgba(139, 69, 19, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Amiri', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Amiri', serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

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

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

/* Header */
.header {
    background: var(--background-white);
    box-shadow: 0 2px 10px var(--shadow-light);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0;
}

.nav-brand .tagline {
    font-size: 0.9rem;
    color: var(--text-light);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.lang-switch {
    background: var(--gradient-primary);
    color: white !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 24, 16, 0.6);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-right: auto;
    margin-left: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
.section-title {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-secondary);
}

/* Timeline Section */
.timeline-section {
    padding: 80px 0;
    background: var(--background-light);
}

.timeline-image {
    text-align: center;
    margin-bottom: 4rem;
}

.timeline-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    right: 50%;
    transform: translateX(50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 45%;
}

.timeline-item:nth-child(odd) {
    margin-right: auto;
    margin-left: 55%;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
    margin-right: 55%;
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    top: 0;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.timeline-item:nth-child(odd)::before {
    left: -40px;
}

.timeline-item:nth-child(even)::before {
    right: -40px;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 16px var(--shadow-light);
    border-right: 4px solid var(--secondary-color);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--primary-color);
}

/* Countries Section */
.countries-section {
    padding: 80px 0;
    background: white;
}

.map-container {
    text-align: center;
    margin-bottom: 4rem;
}

.gulf-map {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.country-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 6px 20px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.country-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px var(--shadow-medium);
}

.country-flag {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.country-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.discovery-year {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.country-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.country-link:hover {
    color: var(--secondary-color);
}

/* Articles Section */
.articles-section {
    padding: 80px 0;
    background: var(--background-light);
}

.articles-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: white;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 6px 20px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px var(--shadow-medium);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: 1.5rem;
}

.article-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.article-category {
    background: var(--gradient-secondary);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.article-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.article-link:hover {
    color: var(--primary-color);
}

.load-more {
    text-align: center;
    margin-top: 3rem;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: white;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

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

.about-text ul {
    text-align: right;
    margin: 1rem 0;
    padding-right: 2rem;
}

.about-text li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        right: 0;
        width: 100%;
        background: white;
        box-shadow: 0 4px 12px var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .timeline::before {
        right: 20px;
        transform: none;
    }

    .timeline-item {
        width: calc(100% - 60px);
        margin-right: 60px;
        margin-left: 0;
    }

    .timeline-item:nth-child(even) {
        margin-right: 60px;
        margin-left: 0;
    }

    .timeline-item::before {
        right: -40px;
        left: auto;
    }

    .timeline-item:nth-child(even)::before {
        right: -40px;
    }

    .countries-grid {
        grid-template-columns: 1fr;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .articles-filter {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .country-card,
    .article-card {
        margin: 0 10px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}