/* style.css */
:root {
    --color-primary: #ff6600; /* orange/gold */
    --color-secondary: #003366; /* navy */
    --color-bg: #ffffff;
    --color-bg-secondary: #f5f5f5;
    --color-text: #333333;
    --font-main: 'Cairo', sans-serif;
    --spacing-unit: 1rem;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-main);
    direction: rtl;
    text-align: right;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-unit);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background: var(--color-bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: padding 0.3s;
}

.navbar.shrink {
    padding: 0.2rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-decoration: none;
}

/* القائمة الرئيسية */
.nav-menu > ul {
    list-style: none;
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
    display: inline-block;
    transition: color 0.3s;
}

.nav-menu a.active,
.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: var(--color-primary);
}

/* القائمة المنسدلة (Dropdown) */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-bg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    list-style: none;
    padding: 0.6rem;
    min-width: 210px;
    z-index: 1000;
    border-radius: 6px;
}

.dropdown:hover .dropdown-content {
    display: flex;
}

.dropdown-content li {
    width: 100%;
    margin: 0;
}

.dropdown-content a {
    color: var(--color-text);
    width: 100%;
    padding: 0.45rem 0.6rem;
    border-radius: 4px;
    white-space: nowrap;
}

.dropdown-content a:hover {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

.dropdown-content a.active::after {
    display: none;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-secondary);
}

/* Hero */
.hero-section {
    position: relative;
    min-height: 80vh;
    background: url('../images/hero/placeholder.webp') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg);
    text-align: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.hero-buttons .btn {
    margin: 0.3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-main);
    transition: background 0.3s, opacity 0.3s;
    text-decoration: none;
    color: #fff;
}

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

.btn.secondary {
    background: var(--color-secondary);
}

.btn.whatsapp {
    background: #25D366;
}

.btn:hover {
    opacity: 0.9;
}

/* Sections & Grids */
.section {
    padding: 4rem 0;
    background: var(--color-bg);
}

.section:nth-of-type(even) {
    background: var(--color-bg-secondary);
}

.section h2,
.section h3 {
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    margin-bottom: 2rem;
    color: #555;
}

.grid {
    display: grid;
    gap: var(--spacing-unit);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    align-items: center;
}

.two-columns {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.three-columns {
    grid-template-columns: repeat(3, 1fr);
}

.cards-grid {
    gap: 1.5rem;
}

/* Text & Image Blocks */
.feature-list {
    margin: 1rem 1.5rem 1.5rem 0;
}

.feature-list li {
    margin-bottom: 0.5rem;
}

.section-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.image-block img {
    width: 100%;
    max-height: 380px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Cards */
.card,
.service-card,
.project-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    text-align: center;
    padding-bottom: var(--spacing-unit);
    height: 100%;
}

.feature-card {
    padding: 1.5rem 1rem;
}

.icon-primary {
    color: var(--color-primary);
    margin-bottom: 0.8rem;
}

.card img,
.service-card img,
.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card h3,
.service-card h3,
.project-card h4 {
    margin: 0.8rem 0 0.4rem;
    color: var(--color-secondary);
    padding: 0 0.5rem;
}

.card p,
.service-card p,
.project-card p {
    padding: 0 var(--spacing-unit);
    color: #555;
    font-size: 0.95rem;
}

.card .btn,
.service-card .btn {
    margin-top: 0.8rem;
}

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

/* Filter Buttons */
.filter-buttons {
    text-align: center;
    margin-bottom: 2rem;
}

.filter-btn {
    background: var(--color-secondary);
    color: #fff;
    border: none;
    padding: 0.5rem 1.2rem;
    margin: 0.25rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-main);
    font-weight: 600;
    transition: background 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--color-primary);
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.5rem;
    text-align: center;
    margin-top: 2rem;
}

.step-item {
    background: #fff;
    padding: 1.5rem 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.step-item i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
}

.step-item h3 {
    font-size: 1rem;
    margin-bottom: 0;
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    text-align: right;
    background: var(--color-secondary);
    color: #fff;
    padding: 1rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-main);
    font-size: 1rem;
}

.accordion-content {
    display: none;
    padding: 1rem;
    background: #fff;
}

/* Contact Form */
.quote-form {
    max-width: 650px;
    margin: 0 auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.submit-btn {
    width: 100%;
    font-size: 1.1rem;
    padding: 0.9rem;
}


/* =================================================================
   PROFESSIONAL FOOTER & SOCIAL ICONS
   ================================================================= */
.footer {
    background: var(--color-secondary);
    color: #fff;
    padding: 4rem 0 1.5rem;
    text-align: right;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer h3 {
    color: var(--color-primary);
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
    text-align: right;
}

.footer-about p, .footer-contact p {
    color: #ddd;
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s, padding-right 0.3s;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-right: 8px; /* تأثير حركة لطيف */
}

/* --- تصميم أيقونات السوشيال ميديا الاحترافية --- */
.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 1.5rem;
}

.social-icons .social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08); /* لون خلفية خفيف */
    color: #fff;
    border-radius: 50%; /* شكل دائري بالكامل */
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.4s ease; /* نعومة في الحركة */
    border: 1px solid rgba(255, 255, 255, 0.15); /* إطار رقيق */
}

.social-icons .social-btn:hover {
    transform: translateY(-5px); /* ترتفع للأعلى عند تمرير الماوس */
    box-shadow: 0 5px 15px rgba(0,0,0,0.3); /* ظل احترافي */
}

/* ألوان التطبيقات الرسمية عند التمرير */
.social-icons .fb:hover {
    background: #1877F2;
    border-color: #1877F2;
}

.social-icons .ig:hover {
    /* تدرج الإنستغرام الشهير */
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: #dc2743;
}

.social-icons .tt:hover {
    background: #010101;
    border-color: #69C9D0;
    text-shadow: 2px 2px 0px #EE1D52; /* لمسة إضاءة النيون للتيك توك */
}
/* --------------------------------------------------- */

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* Engineers Contact Button & Dropdown */
.engineers-contact-wrapper {
    position: relative;
    display: inline-block;
    margin-top: 0.5rem;
}

.outline-btn {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.outline-btn:hover {
    background: var(--color-primary);
    color: #fff;
}

.engineers-list {
    display: none;
    position: absolute;
    bottom: 115%;
    right: 0;
    background: #fff;
    color: var(--color-text);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    padding: 1.2rem;
    min-width: 250px;
    z-index: 100;
    flex-direction: column;
    gap: 1rem;
}

.engineers-list.show {
    display: flex;
    animation: fadeInDown 0.3s ease;
}

.engineer-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid #eee;
    font-weight: 600;
    font-size: 1rem;
}

.engineer-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.eng-wa {
    color: #25D366;
    font-size: 1.6rem;
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.eng-wa:hover {
    transform: scale(1.15);
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}


/* Floating Buttons & Back to Top */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    z-index: 1000;
    text-decoration: none;
}

.call-float {
    position: fixed;
    bottom: 90px;
    left: 20px;
    background: #007bff; 
    color: #fff;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    z-index: 1000;
    text-decoration: none;
}

.back-to-top {
    position: fixed;
    bottom: 160px;
    left: 27px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 1000;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.lightbox img {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 8px;
}

.lightbox .close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2.5rem;
    color: #fff;
    cursor: pointer;
}

/* Slider (testimonials) */
.slider {
    position: relative;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    min-height: 140px;
}

.slider .testimonial-card {
    opacity: 0;
    position: absolute;
    inset: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.slider .testimonial-card.active {
    opacity: 1;
    position: relative;
}

.slider .testimonial-card h4 {
    margin-top: 0.8rem;
    color: var(--color-primary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu > ul {
        flex-direction: column;
        align-items: flex-start;
        background: var(--color-bg);
        position: absolute;
        top: 100%;
        right: 0;
        width: 250px;
        padding: 1rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        display: none;
        gap: 0.5rem;
    }

    .nav-menu.show > ul {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .dropdown {
        width: 100%;
    }

    .dropdown-content {
        position: static;
        box-shadow: none;
        padding: 0.3rem 1rem 0 0;
        display: none;
        min-width: 100%;
    }

    .dropdown:hover .dropdown-content {
        display: none;
    }

    .dropdown.open .dropdown-content {
        display: flex;
    }

    .hero-section {
        min-height: 60vh;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .two-columns,
    .three-columns {
        grid-template-columns: 1fr;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}