/* --- Root Variables --- */
:root {
    --primary-color: #0052cc;
    --primary-dark: #003d99;
    --accent-color: #00d2ff;
    --mep-color: #f59e0b;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --whatsapp-color: #25d366;
}

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

html {
    scroll-behavior: smooth;
}

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

html[lang="en"] body {
    font-family: 'Poppins', 'Cairo', sans-serif;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Top Bar --- */
.top-bar {
    background: #090d16;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.contact-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.contact-info a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

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

.lang-btn-top {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.2rem 0.7rem;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s;
}

.lang-btn-top:hover {
    background: var(--accent-color);
    color: var(--bg-dark);
}

/* --- Navbar --- */
.navbar {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 0.9rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.6rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.nav-links a.highlight-link {
    color: var(--mep-color);
    font-weight: 700;
}

.btn-primary-sm {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 0.5rem 1.2rem;
    border-radius: 5px;
    font-weight: 600;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 25px;
    left: 25px;
    background-color: var(--whatsapp-color);
    color: white;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1500;
    transition: transform 0.3s;
    animation: pulse 2s infinite;
    text-decoration: none;
}

html[lang="en"] .floating-whatsapp {
    left: auto;
    right: 25px;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

@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); }
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 60vh;
    background: url('images/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.95) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.highlight {
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
}

/* --- About & Portfolio Section --- */
.about-section {
    padding: 5rem 0;
    background: #131d31;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.8rem;
    transition: transform 0.3s, border-color 0.3s;
}

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

.portfolio-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.portfolio-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-main);
}

.portfolio-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Systems & Workflow Section --- */
.systems-section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-muted);
}

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

.system-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
}

.system-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 25px rgba(0, 210, 255, 0.15);
}

.card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: #0d1527;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.system-card:hover .card-image img {
    transform: scale(1.08);
}

.badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 82, 204, 0.9);
    color: white;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

html[lang="en"] .badge {
    left: auto;
    right: 12px;
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-icon {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 0.8rem;
}

.card-body h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    flex-grow: 1;
}

.features-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.features-list li {
    font-size: 0.85rem;
    color: var(--text-main);
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features-list li i {
    color: var(--accent-color);
    font-size: 0.8rem;
}

.btn-details {
    width: 100%;
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--accent-color);
    padding: 0.7rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

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

html[lang="en"] .icon-arrow {
    transform: rotate(180deg);
}

/* --- Scroll Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: all 0.7s ease;
}

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

/* --- Brands & Developers Section --- */
.brands-section {
    padding: 4rem 0;
    background-color: #131d31;
}

.brand-group-title {
    text-align: center;
    font-size: 1.2rem;
    color: var(--mep-color);
    margin: 2rem 0 1rem 0;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.brand-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-muted);
    transition: all 0.3s;
}

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

.mb-4 {
    margin-bottom: 2rem;
}

/* --- Contact Section & Address Box --- */
.contact-section {
    padding: 5rem 0;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark), #090d16);
}

.company-address-box {
    background: var(--bg-card);
    border: 1px dashed var(--accent-color);
    padding: 1.2rem 2rem;
    border-radius: 8px;
    max-width: 750px;
    margin: 0 auto 2rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-main);
    font-weight: 600;
}

.company-address-box i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.btn-contact-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-contact-item.btn-wa {
    background: var(--whatsapp-color);
    color: white;
    border: none;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background: var(--bg-card);
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
}

.close-btn {
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
}

html[lang="en"] .close-btn {
    left: auto;
    right: 20px;
}

footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .top-bar-content {
        justify-content: center;
        text-align: center;
    }
    .contact-info {
        justify-content: center;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
}