:root {
    --primary-color: #1c2e4a;
    --secondary-color: #52677D;
    --white: #ffffff;
    --light-gray: #f4f6f8;
    --accent-gold: #c7a04c;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Cairo', sans-serif; }
html { scroll-behavior: smooth; }
body { background-color: var(--light-gray); color: #333; overflow-x: hidden; direction: rtl; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

header { background-color: var(--primary-color); color: var(--white); padding: 1rem 5%; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.3); direction: ltr; }
.logo { font-weight: 900; font-size: 1.5rem; letter-spacing: 2px; color: var(--white); }
.logo span { color: var(--accent-gold); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--accent-gold); }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; }

.hero { position: relative; height: 90vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: var(--white); padding: 2rem; overflow: hidden; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 1.2s ease, transform 7s ease-out;
}
.hero-slide.active {
    opacity: 1;
    transform: scale(1);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(28, 46, 74, 0.65), rgba(28, 46, 74, 0.88));
}

/* أسهم ونقاط التنقل بالسلايدر */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    color: var(--white);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hero-arrow:hover { background: rgba(255, 255, 255, 0.3); transform: translateY(-50%) scale(1.08); }
.hero-arrow-prev { left: 20px; }
.hero-arrow-next { right: 20px; }

.hero-dots {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}
.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hero-dot.active { background: var(--accent-gold); border-color: var(--accent-gold); transform: scale(1.2); }

@media (max-width: 768px) {
    .hero-arrow { width: 38px; height: 38px; font-size: 0.95rem; }
    .hero-arrow-prev { left: 10px; }
    .hero-arrow-next { right: 10px; }
}
.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: heroContentIn 1s ease both;
}
@keyframes heroContentIn {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero h1 { font-size: 3.5rem; margin-bottom: 1rem; font-weight: 900; }
.hero p { font-size: 1.2rem; max-width: 700px; margin-bottom: 2.5rem; line-height: 1.6; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.btn { padding: 12px 30px; border-radius: 50px; font-weight: 700; border: 2px solid transparent; cursor: pointer; transition: all 0.3s ease; display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; }
.btn-primary { background-color: var(--white); color: var(--primary-color); }
.btn-primary:hover { background-color: var(--accent-gold); color: var(--white); }
.btn-outline { border-color: var(--white); color: var(--white); }
.btn-outline:hover { background-color: var(--white); color: var(--primary-color); }

section { padding: 4rem 5%; direction: rtl; }
.section-title { text-align: center; font-size: 2.5rem; color: var(--primary-color); margin-bottom: 3rem; position: relative; }
.section-title::after { content: ''; width: 60px; height: 4px; background: var(--accent-gold); display: block; margin: 10px auto 0; }
.grid-2, .grid-3 { display: grid; gap: 2rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ====== إصلاح صورة "من نحن" ليكون حجمها مثالي ====== */
.about-img {
    width: 100%;
    height: 400px;          /* تحديد ارتفاع ثابت ومتناسق ليكون بجانب النص */
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    transition: transform 0.6s ease;
}
.about-img:hover { transform: scale(1.02); }

/* تحسين قسم "من نحن" ليكون متجاوباً */
#about .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr; /* عمود للصورة وعمود للنص */
    gap: 40px;
    align-items: center; 
}

@media (max-width: 768px) {
    #about .grid-2 { grid-template-columns: 1fr; }
}

.service-card { background: var(--white); padding: 2rem; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); text-align: center; transition: transform 0.3s; border-bottom: 4px solid var(--primary-color); }
.service-card:hover { transform: translateY(-10px); border-bottom-color: var(--accent-gold); }
.service-card i { font-size: 2.5rem; color: var(--accent-gold); margin-bottom: 1rem; }

.form-container { background: var(--white); padding: 2rem; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); max-width: 800px; margin: 0 auto; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-weight: 700; margin-bottom: 0.5rem; color: var(--primary-color); }
.form-control { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 5px; transition: 0.3s; }
.form-control:focus { border-color: var(--accent-gold); outline: none; box-shadow: 0 0 0 3px rgba(199, 160, 76, 0.2); }

footer { background-color: var(--primary-color); color: var(--white); padding: 3rem 5%; direction: rtl; border-top: 4px solid var(--accent-gold); }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-content h4 { margin-bottom: 1rem; color: var(--accent-gold); }
.copyright { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; font-size: 0.9rem; }

@media (max-width: 768px) {
    .nav-links { display: none; flex-direction: column; background: var(--primary-color); position: absolute; top: 70px; left: 0; width: 100%; padding: 1rem; }
    .nav-links.active { display: flex; }
    .hamburger { display: block; }
    .hero h1 { font-size: 2.5rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ====== معرض الصور الرئيسي (الواجهة) - Masonry بالأبعاد الحقيقية لكل صورة ====== */
.showcase-grid {
    column-count: 4;
    column-gap: 1.25rem;
}
.showcase-item {
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    cursor: pointer;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    margin-bottom: 1.25rem;
    display: inline-block;
    width: 100%;
}
.showcase-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease, filter 0.6s ease;
}
.showcase-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(28,46,74,0) 55%, rgba(28,46,74,0.55) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.showcase-item:hover::after { opacity: 1; }
.showcase-item:hover img { transform: scale(1.08); }

@media (max-width: 992px) {
    .showcase-grid { column-count: 2; }
}
@media (max-width: 576px) {
    .showcase-grid { column-count: 1; }
}

/* ====== معرض الصور ====== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px 0;
}
.gallery-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
.gallery-item:hover { transform: scale(1.03); }
.gallery-item img {
    width: 100%;
    height: 250px; /* توحيد الارتفاع في الموقع العمومي فقط ليكون المظهر أنيق */
    object-fit: cover;
    display: block;
}

/* ====== ظهور تدريجي عند التمرير (Scroll Reveal) ====== */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero-slide, .hero-content { animation: none !important; }
    .hero-slide:first-child { opacity: 1; }
}

/* ====== Lightbox لتكبير الصور ====== */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 25, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 5000;
    padding: 2rem;
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }
.lightbox-overlay .lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
}