:root {
    --primary-color: #1e3a5f;
    --secondary-color: #d4a574;
    --accent-color: #2d5a87;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --bg-light: #f5f5f5;
    --bg-dark: #0f1a2e;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Cairo', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    min-width: 280px;
}

body[dir="ltr"] {
    font-family: 'Roboto', 'Cairo', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

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

/* Navigation */
.navbar {
    background: var(--primary-color);
    padding: 1rem 0;
    padding-top: max(1rem, env(safe-area-inset-top));
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-arabic {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.2;
}

.logo-english {
    font-size: 0.85rem;
    color: var(--secondary-color);
    font-weight: 400;
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition);
}

.lang-switch {
    background: var(--secondary-color);
    color: var(--text-dark);
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.lang-switch:hover {
    background: #b8935f;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    height: 100vh;
    height: 100dvh;
    min-height: 600px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 70px;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: var(--primary-color);
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
    z-index: 0;
}

.hero-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 26, 46, 0.6);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 26, 46, 0.35);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-light);
    max-width: 900px;
    padding: 2rem;
}

.hero-title {
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.25;
    animation: fadeInUp 1s ease;
}

.hero-slogan {
    font-size: clamp(1rem, 2vw, 1.35rem);
    margin-bottom: 1.5rem;
    opacity: 0.95;
    color: var(--secondary-color);
    font-weight: 500;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s both;
}

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

.hero-stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

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

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

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

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

.hero-slider-prev,
.hero-slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--text-light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.hero-slider-prev:hover,
.hero-slider-next:hover {
    background: var(--secondary-color);
    color: var(--text-dark);
}

.hero-slider-prev { right: 20px; left: auto; }
.hero-slider-next { left: 20px; right: auto; }

body[dir="ltr"] .hero-slider-prev { left: 20px; right: auto; }
body[dir="ltr"] .hero-slider-next { right: 20px; left: auto; }

.btn {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-dark);
    animation: fadeInUp 1s ease 0.4s both;
}

.btn-primary:hover {
    background: #b8935f;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212, 165, 116, 0.4);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #555;
}

.about-intro {
    font-weight: 600;
    color: var(--primary-color) !important;
}

.about-vision-title,
.about-why-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin: 1.5rem 0 0.75rem;
    font-weight: 600;
}

.about-vision {
    margin-bottom: 0.5rem !important;
}

.about-why-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.about-why-list li {
    position: relative;
    padding-right: 1.5rem;
    margin-bottom: 0.75rem;
    color: #555;
}

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

body[dir="ltr"] .about-why-list li {
    padding-right: 0;
    padding-left: 1.5rem;
}

body[dir="ltr"] .about-why-list li::before {
    right: auto;
    left: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--text-light);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* Services Section */
.services {
    background: var(--text-light);
}

.services-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.service-tab {
    padding: 12px 20px;
    border: 2px solid var(--primary-color);
    background: var(--bg-light);
    color: var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.service-tab:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.service-tab.active {
    background: var(--primary-color);
    color: var(--text-light);
}

.services-panels {
    position: relative;
    min-height: 220px;
}

.service-panel {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.service-panel.active {
    display: block;
}

.service-panel-content {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.service-panel-content:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.service-panel .service-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.service-panel h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-panel p {
    color: #666;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

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

.projects-categories {
    margin-bottom: 3rem;
}

.projects-categories:last-child {
    margin-bottom: 0;
}

.projects-cat-title {
    font-size: 1.35rem;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
    font-weight: 600;
}

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

.project-card {
    background: var(--text-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.project-image {
    height: 250px;
    width: 100%;
    background-size: cover;
    background-position: center;
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.project-info p {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: var(--text-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-details a {
    color: var(--accent-color);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--secondary-color);
}

.contact-details p {
    color: #666;
    line-height: 1.6;
}

.map-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--accent-color);
    font-weight: 500;
}

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

.contact-map-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-map-wrapper {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    height: 220px;
}

.contact-map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contact-form-wrapper {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 10px;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group label {
    position: absolute;
    top: 15px;
    right: 15px;
    color: #999;
    transition: var(--transition);
    pointer-events: none;
}

body[dir="ltr"] .form-group label {
    right: auto;
    left: 15px;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    right: 10px;
    font-size: 0.85rem;
    color: var(--secondary-color);
    background: var(--bg-light);
    padding: 0 5px;
}

body[dir="ltr"] .form-group input:focus + label,
body[dir="ltr"] .form-group input:valid + label,
body[dir="ltr"] .form-group textarea:focus + label,
body[dir="ltr"] .form-group textarea:valid + label {
    right: auto;
    left: 10px;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 3rem 0 max(1rem, env(safe-area-inset-bottom));
}

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

.footer-logo .logo-text {
    margin-top: 1rem;
}

.footer-info p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.developer-credit {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.developer-credit a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.developer-credit a:hover {
    color: var(--text-light);
    text-decoration: underline;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Tablet */
@media (max-width: 992px) {
    .container {
        padding: 0 16px;
    }

    section {
        padding: 60px 0;
    }

    .about-content {
        gap: 3rem;
    }

    .contact-content {
        gap: 2.5rem;
    }

    .section-title {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }

    .hero-title {
        font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .project-image {
        height: 220px;
    }
}

/* Mobile & Tablet portrait */
@media (max-width: 768px) {
    .container {
        padding: 0 14px;
    }

    section {
        padding: 50px 0;
    }

    /* Nav: hamburger + full-screen menu */
    .menu-toggle {
        display: flex;
        padding: 8px;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 320px;
        height: calc(100vh - 70px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.5rem;
        transition: right 0.3s ease, left 0.3s ease;
        overflow-y: auto;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        padding: 14px 16px;
        display: block;
        border-radius: 8px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .nav-menu a::after {
        display: none;
    }

    body[dir="ltr"] .nav-menu {
        right: auto;
        left: -100%;
        box-shadow: 5px 0 20px rgba(0, 0, 0, 0.2);
    }

    body[dir="ltr"] .nav-menu.active {
        left: 0;
    }

    /* Hero */
    .hero {
        min-height: 100vh;
        min-height: 100dvh;
        margin-top: 70px;
    }

    .hero-content {
        padding: 1.25rem 1rem;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 0.5rem;
    }

    .hero-slogan {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .hero-stats {
        gap: 1.25rem;
        margin-bottom: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-stat-num {
        font-size: 1.2rem;
    }

    .hero-stat-label {
        font-size: 0.8rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
        padding: 14px 24px;
        text-align: center;
        min-height: 48px;
    }

    .hero-slider-prev,
    .hero-slider-next {
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
        right: 10px;
        left: auto;
    }

    .hero-slider-next {
        left: 10px;
        right: auto;
    }

    body[dir="ltr"] .hero-slider-prev {
        left: 10px;
        right: auto;
    }

    body[dir="ltr"] .hero-slider-next {
        right: 10px;
        left: auto;
    }

    /* Sections */
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
        padding-bottom: 0.75rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .stat-item {
        padding: 1.5rem 1rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    /* Services */
    .services-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }

    .service-tab {
        padding: 10px 14px;
        font-size: 0.85rem;
        flex: 1 1 auto;
        min-width: 120px;
        text-align: center;
    }

    .services-panels {
        min-height: 180px;
    }

    .service-panel-content {
        padding: 1.5rem 1.25rem;
    }

    .service-panel h3 {
        font-size: 1.25rem;
    }

    .service-panel p {
        font-size: 0.95rem;
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .projects-categories {
        margin-bottom: 2rem;
    }

    .projects-cat-title {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .project-card:hover {
        transform: translateY(-5px);
    }

    .project-image {
        height: 200px;
    }

    .project-info {
        padding: 1.25rem;
    }

    .project-info h3 {
        font-size: 1.25rem;
    }

    .project-info p {
        font-size: 0.9rem;
    }

    /* Contact */
    .contact-item {
        margin-bottom: 1.5rem;
        gap: 1rem;
    }

    .contact-icon {
        font-size: 2rem;
    }

    .contact-details h3 {
        font-size: 1.1rem;
    }

    .contact-details a,
    .contact-details p {
        font-size: 0.95rem;
        word-break: break-word;
    }

    .contact-map-form {
        gap: 1.25rem;
    }

    .contact-map-wrapper {
        height: 200px;
        min-height: 180px;
    }

    .contact-form-wrapper {
        padding: 1.5rem 1.25rem;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px 12px;
        font-size: 16px; /* prevents zoom on iOS */
    }

    .contact-form-wrapper .btn {
        width: 100%;
        min-height: 48px;
    }

    /* Footer */
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
        text-align: center;
    }

    .footer-logo {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-contact p {
        font-size: 0.9rem;
        word-break: break-word;
    }

    .footer-bottom {
        padding-top: 1.5rem;
    }

    .footer-bottom p {
        font-size: 0.9rem;
    }
}

/* Mobile small */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    section {
        padding: 40px 0;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .logo {
        gap: 10px;
    }

    .logo-image {
        height: 48px;
    }

    .logo-arabic {
        font-size: 0.9rem;
    }

    .logo-english {
        font-size: 0.7rem;
    }

    .lang-switch {
        padding: 8px 12px;
        min-height: 44px;
    }

    .nav-menu {
        max-width: 100%;
    }

    .hero-title {
        font-size: 1.35rem;
        line-height: 1.35;
    }

    .hero-slogan {
        font-size: 0.9rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .hero-stat-num {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .service-tab {
        min-width: 100%;
        font-size: 0.8rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .project-image {
        height: 180px;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }

    .hero-title {
        font-size: 1.2rem;
    }

    .hero-cta .btn {
        max-width: 100%;
    }

    .logo-arabic {
        font-size: 0.85rem;
    }
}

/* Language Direction Support */
body[dir="ltr"] {
    direction: ltr;
}

body[dir="ltr"] .nav-menu {
    flex-direction: row-reverse;
}

body[dir="ltr"] .about-content,
body[dir="ltr"] .contact-content {
    direction: ltr;
}

body[dir="ltr"] .contact-item {
    flex-direction: row-reverse;
}

body[dir="ltr"] .stat-item,
body[dir="ltr"] .service-card,
body[dir="ltr"] .project-card {
    direction: ltr;
    text-align: left;
}

body[dir="ltr"] .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}