/* ==========================================
   BEIRUT IMMOBILIER - Premium Real Estate
   Stylesheet
   ========================================== */

/* Skip Link pour accessibilité */
.skip-link {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f234b;
    color: #fff;
    padding: 12px 24px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    transition: top 0.3s ease;
    font-family: 'Cairo', sans-serif;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid #d4a017;
    outline-offset: 2px;
}

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1a2a6c;
    --color-primary-dark: #0f1a45;
    --color-accent: #b8860b;
    --color-accent-light: #d4a017;
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-gray-light: #e9ecef;
    --color-gray: #6c757d;
    --color-gray-dark: #343a40;
    --color-black: #1a1a1a;
    
    /* Typography */
    --font-arabic: 'Cairo', sans-serif;
    --font-latin: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;
}

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

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

body {
    font-family: var(--font-arabic);
    line-height: 1.7;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* RTL Support */
[dir="rtl"] body {
    font-family: var(--font-arabic);
}

[dir="ltr"] body {
    font-family: var(--font-latin);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
}

[dir="ltr"] h1,
[dir="ltr"] h2,
[dir="ltr"] h3 {
    font-family: var(--font-display);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   HEADER
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.35rem;
    font-weight: 700;
}

.logo-img {
    height: 60px;
    width: auto;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.header.scrolled .logo-img {
    height: 50px;
}

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

.logo-icon {
    flex-shrink: 0;
    transition: var(--transition-normal);
}

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

.logo-text {
    color: var(--color-primary);
    font-family: var(--font-display);
}

.logo-accent {
    color: var(--color-accent);
    font-family: var(--font-display);
}

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

.lang-btn {
    background: none;
    border: none;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-latin);
    border-radius: var(--radius-sm);
}

.lang-btn:hover {
    color: var(--color-primary);
}

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

.lang-divider {
    color: var(--color-gray-light);
    font-weight: 300;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    background-image: url('https://images.unsplash.com/photo-1613490493576-7fde63acd811?ixlib=rb-4.0.3&auto=format&fit=crop&w=2071&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(26, 42, 108, 0.85) 0%,
        rgba(15, 26, 69, 0.9) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

[dir="ltr"] .hero-title {
    font-family: var(--font-display);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bounce 2s infinite;
}

.hero-scroll i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ==========================================
   SECTIONS COMMON STYLES
   ========================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
    background-color: var(--color-off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-full);
}

.service-icon i {
    font-size: 2rem;
    color: var(--color-accent);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.service-features {
    list-style: none;
    text-align: start;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-dark);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: bold;
}

/* ==========================================
   FACEBOOK SECTION
   ========================================== */
.facebook-section {
    background-color: var(--color-white);
}

.facebook-container {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.facebook-container .fb-page {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.facebook-container .fb-page iframe {
    border-radius: var(--radius-lg);
}

/* Fallback placeholder styles (kept for loading state) */
.facebook-placeholder {
    background-color: var(--color-off-white);
    border: 2px dashed var(--color-gray-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.facebook-placeholder i {
    font-size: 4rem;
    color: #1877F2;
    margin-bottom: var(--spacing-md);
}

.facebook-placeholder p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

/* ==========================================
   WHY US SECTION
   ========================================== */
.why-us {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.why-us .section-tag {
    color: var(--color-accent);
}

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

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.why-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.why-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.why-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
}

.why-icon i {
    font-size: 1.75rem;
    color: var(--color-accent);
}

.why-title {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.why-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    background-color: var(--color-off-white);
}

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

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-description {
    color: var(--color-gray);
    margin: var(--spacing-md) 0;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-dark);
}

.contact-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-accent);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
}

.contact-item a {
    color: var(--color-gray-dark);
}

.contact-item a:hover {
    color: var(--color-accent);
}

.contact-cta {
    flex-shrink: 0;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-logo .logo-text,
.footer-logo .logo-accent {
    color: var(--color-white);
}

.footer-logo .logo-accent {
    color: var(--color-accent);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-white);
    transition: var(--transition-normal);
}

.social-link:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ==========================================
   STICKY WHATSAPP BUTTON
   ========================================== */
.whatsapp-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.75rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

[dir="rtl"] .whatsapp-sticky {
    right: auto;
    left: 30px;
}

.whatsapp-sticky:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ==========================================
   SCROLL REVEAL ANIMATIONS
   ========================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

/* Tablets */
@media (max-width: 1024px) {
    .services-grid,
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid .service-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .why-us-grid .why-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .header-content {
        height: 70px;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .lang-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .hero-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .services-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid .service-card:last-child,
    .why-us-grid .why-card:last-child {
        max-width: none;
    }
    
    .service-card,
    .why-card {
        padding: var(--spacing-md);
    }
    
    .contact-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-details {
        align-items: center;
    }
    
    .whatsapp-sticky {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }
    
    [dir="rtl"] .whatsapp-sticky {
        right: auto;
        left: 20px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-icon,
    .why-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i,
    .why-icon i {
        font-size: 1.5rem;
    }
    
    .facebook-placeholder {
        padding: var(--spacing-lg);
    }
    
    .facebook-placeholder i {
        font-size: 3rem;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .hero-scroll,
    .whatsapp-sticky {
        animation: none;
    }
    
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-scroll,
    .whatsapp-sticky,
    .footer-social {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-overlay {
        background: var(--color-primary);
    }
    
    section {
        page-break-inside: avoid;
    }
}