/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

:root {
    --primary-color: #1a4d7a;
    --secondary-color: #2d7ab8;
    --accent-color: #ff6b35;
    --dark-color: #0f2d47;
    --light-color: #f5f7fa;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.2);
    --whatsapp-green: #25D366;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

body.rtl {
    font-family: 'Cairo', 'Poppins', sans-serif;
}

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

/* ============================================
   ANNOUNCEMENT BAR
   ============================================ */

.announcement-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 0.6rem 0;
    z-index: 1001;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.announcement-content {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: scroll-announcement 30s linear infinite;
    gap: 2rem;
}

.announcement-item {
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    padding: 0 1rem;
}

.announcement-separator {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.2rem;
}

@keyframes scroll-announcement {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

body.rtl .announcement-content {
    animation: scroll-announcement-rtl 30s linear infinite;
}

@keyframes scroll-announcement-rtl {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 40px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

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

.nav-link {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: 2rem;
}

.lang-btn {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 45px;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.lang-btn.active {
    background: var(--white);
    color: var(--dark-color);
    border-color: var(--white);
}

/* RTL Support */
body.rtl {
    direction: rtl;
}

body.rtl * {
    font-family: 'Cairo', 'Poppins', sans-serif;
}

body.rtl .nav-menu {
    direction: rtl;
}

body.rtl .footer-links a:hover {
    padding-left: 0;
    padding-right: 5px;
}

body.rtl .portfolio-item:nth-child(even) {
    direction: ltr;
}

body.rtl .portfolio-item:nth-child(odd) {
    direction: rtl;
}

body.rtl .portfolio-item:nth-child(odd) > * {
    direction: ltr;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    overflow: hidden;
    padding-top: 120px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: var(--light-color);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: var(--whatsapp-green);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: 100px 0;
    background: var(--light-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    margin-top: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow-hover);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
    padding: 100px 0;
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.portfolio-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    background: var(--light-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    box-shadow: 0 10px 40px var(--shadow-hover);
    transform: translateY(-5px);
}

.portfolio-item:nth-child(even) {
    direction: rtl;
}

.portfolio-item:nth-child(even) > * {
    direction: ltr;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 400px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 77, 122, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-btn {
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--primary-color);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    transform: translateY(20px);
}

.portfolio-item:hover .portfolio-btn {
    transform: translateY(0);
}

.portfolio-btn:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: scale(1.05);
}

.portfolio-content {
    padding: 2.5rem;
}

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

.portfolio-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.portfolio-content ul {
    list-style: none;
    margin: 1.5rem 0;
}

.portfolio-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.portfolio-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.portfolio-result {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--white);
    border-left: 4px solid var(--accent-color);
    border-radius: 5px;
    font-style: italic;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.contact .section-title {
    color: var(--white);
}

.contact .section-title::after {
    background: var(--accent-color);
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.contact-content {
    margin-top: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    text-align: center;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-item p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.contact-phone {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.3rem !important;
    letter-spacing: 0.5px;
    color: var(--white) !important;
    margin: 1rem 0 !important;
}

body.rtl .contact-phone {
    font-family: 'Cairo', 'Poppins', sans-serif;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: #000000;
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-logo img {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
    object-fit: contain;
    transition: var(--transition);
}

.footer-logo p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-credit {
    margin-top: 0.5rem;
    opacity: 0.8;
}

.footer-credit a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 64px;
    height: 64px;
    background: var(--whatsapp-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5), 0 0 0 4px rgba(37, 211, 102, 0.1);
    z-index: 999;
    transition: var(--transition);
    text-decoration: none;
    color: var(--white);
    overflow: visible;
}

.whatsapp-float:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7), 0 0 0 6px rgba(37, 211, 102, 0.15);
}

.whatsapp-float svg {
    width: 36px;
    height: 36px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.whatsapp-float span {
    display: none;
    margin-left: 10px;
    font-weight: 600;
}

/* ============================================
   LIGHTBOX MODAL
   ============================================ */

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-images {
    position: relative;
    width: 100%;
    height: 100%;
}

.lightbox-images img {
    display: none;
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-images img.active {
    display: block;
    animation: fadeIn 0.5s;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    font-size: 2rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-indicators {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--white);
    transform: scale(1.2);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 3rem;
        gap: 2rem;
        transition: var(--transition);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    }

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

    .language-switcher {
        margin-left: 1rem;
    }

    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        min-width: 40px;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

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

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

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

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

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

    .portfolio-item {
        grid-template-columns: 1fr;
    }

    .portfolio-item:nth-child(even) {
        direction: ltr;
    }

    .portfolio-image {
        height: 300px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }

    .portfolio-content {
        padding: 1.5rem;
    }
}

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

    .hero {
        padding-top: 110px;
    }
    
    .announcement-bar {
        padding: 0.5rem 0;
    }
    
    .announcement-item {
        font-size: 0.8rem;
    }
    
    .navbar {
        top: 35px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .service-card,
    .contact-item {
        padding: 2rem 1.5rem;
    }

    .portfolio-content h3 {
        font-size: 1.2rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

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