/* Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #0A192F;
    --secondary-dark: #112240;
    --accent-cyan: #64FFDA;
    --accent-blue: #007BFF;
    --text-primary: #CCD6F6;
    --text-secondary: #8892B0;
    --background: #0A192F;
}

body {
    font-family: 'Roboto', 'Inter', sans-serif;
    background: var(--background);
    color: var(--text-secondary);
    line-height: 1.6;
    transition: direction 0.3s ease;
}

/* Arabic font support */
[lang="ar"] body {
    font-family: 'Tajawal', 'Roboto', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

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

.logo {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.cta-btn {
    background: transparent;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.cta-btn:hover {
    background: rgba(100, 255, 218, 0.1);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    margin-left: 2rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.lang-btn:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--accent-cyan);
}

.lang-btn.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--primary-dark);
    font-weight: 600;
}

/* BANNIÈRE PROMO */
.promo-banner {
    background: linear-gradient(135deg, #64FFDA 0%, #00D9FF 100%);
    padding: 1.2rem 0;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.95; }
}

.promo-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.promo-icon {
    font-size: 2.5rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.promo-text {
    flex: 1;
    min-width: 300px;
}

.promo-title {
    font-family: 'Inter', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: #0A192F;
    margin-bottom: 0.3rem;
}

.promo-subtitle {
    font-size: 0.95rem;
    color: #112240;
    font-weight: 500;
    margin: 0;
}

.promo-btn {
    background: #0A192F;
    color: #64FFDA;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(10, 25, 47, 0.3);
}

.promo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(10, 25, 47, 0.5);
    background: #112240;
}

/* RTL Support for Promo Banner */
[dir="rtl"] .promo-content {
    flex-direction: row-reverse;
}

/* Hero */
.hero {
    padding: 8rem 0 6rem;
    text-align: center;
}

.hero-title {
    font-family: 'Inter', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

[lang="ar"] .hero-title {
    font-family: 'Tajawal', sans-serif;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-cta {
    display: inline-block;
    background: var(--accent-cyan);
    color: var(--primary-dark);
    padding: 1rem 2.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.3);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(100, 255, 218, 0.4);
}

/* Sections */
.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 3rem;
}

[lang="ar"] .section-title {
    font-family: 'Tajawal', sans-serif;
}

/* Services */
.services {
    padding: 6rem 0;
    background: var(--secondary-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--primary-dark);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.15);
}

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

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

.service-card p {
    line-height: 1.8;
}

/* Portfolio */
.portfolio {
    padding: 6rem 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--secondary-dark);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

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

.portfolio-item p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags span {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-cyan);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Contact */
.contact {
    padding: 6rem 0;
    background: var(--secondary-dark);
}

.contact-info {
    text-align: center;
    font-size: 1.2rem;
}

.contact-info p {
    margin-bottom: 1rem;
}

.contact-info a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

/* RTL Support for Arabic */
[dir="rtl"] .header .container {
    flex-direction: row-reverse;
}

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

[dir="rtl"] .lang-switcher {
    margin-left: 0;
    margin-right: 2rem;
}

[dir="rtl"] .tech-tags {
    flex-direction: row-reverse;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .lang-switcher {
        margin-left: 1rem;
    }
    
    [dir="rtl"] .lang-switcher {
        margin-left: 0;
        margin-right: 1rem;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .promo-content {
        flex-direction: column;
        text-align: center;
    }
    
    .promo-icon {
        font-size: 2rem;
    }
    
    .promo-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .header .container {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .lang-switcher {
        order: 3;
        width: 100%;
        justify-content: center;
        margin: 0;
    }
    
    .promo-title {
        font-size: 1rem;
    }
    
    .promo-subtitle {
        font-size: 0.85rem;
    }
}