:root {
    --primary: #00b4d8;
    --secondary: #0077b6;
    --dark: #03045e;
    --light: #caf0f8;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.8;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 8%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.logo { font-size: 1.6rem; font-weight: 700; color: var(--secondary); }
.logo span { color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 600; transition: var(--transition); }
.nav-links a:hover { color: var(--primary); }

.btn-nav {
    background: var(--primary);
    color: white !important;
    padding: 8px 20px;
    border-radius: 50px;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(3, 4, 94, 0.6), rgba(0, 180, 216, 0.4)), 
                url('https://images.unsplash.com/photo-1606811841689-23dfddce3e95?auto=format&fit=crop&w=1500&q=80');
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center; text-align: center; padding: 0 10%;
}

.hero-content {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    max-width: 800px;
}

.hero-content h1 { font-size: 3.5rem; margin-bottom: 20px; line-height: 1.2; }
.hero-btns { display: flex; gap: 20px; justify-content: center; margin-top: 30px; }

/* Buttons */
.btn-main, .btn-secondary {
    padding: 12px 35px; border-radius: 50px; text-decoration: none; font-weight: bold; transition: var(--transition);
}
.btn-main { background: var(--primary); color: white; border: none; cursor: pointer; }
.btn-main:hover { background: var(--secondary); transform: translateY(-3px); }
.btn-secondary { background: transparent; color: white; border: 2px solid white; }
.btn-secondary:hover { background: white; color: var(--primary); }

/* Stats */
.stats {
    display: flex; justify-content: space-around; padding: 60px 10%;
    background: var(--light); text-align: center;
}
.stat-item h2 { font-size: 2.5rem; color: var(--secondary); }

/* Services */
.services { padding: 100px 10%; text-align: center; }
.services-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px; margin-top: 50px;
}
.service-card {
    background: white; padding: 40px; border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: var(--transition);
}
.service-card:hover { transform: translateY(-10px); box-shadow: 0 15px 40px rgba(0,180,216,0.15); }
.service-card i { font-size: 3.5rem; color: var(--primary); margin-bottom: 20px; }

/* Booking Form */
.booking { background: #f8f9fa; padding: 100px 10%; display: flex; justify-content: center; }
.booking-container { background: white; padding: 50px; border-radius: 30px; width: 100%; max-width: 600px; box-shadow: 0 20px 50px rgba(0,0,0,0.1); }
.input-group { margin-bottom: 20px; }
input, select { width: 100%; padding: 15px; border: 1px solid #ddd; border-radius: 10px; font-size: 1rem; }
.full-width { width: 100%; margin-top: 10px; }

/* WhatsApp */
.whatsapp-float {
    position: fixed; bottom: 30px; left: 30px; background: #25d366; color: white;
    padding: 15px 25px; border-radius: 50px; display: flex; align-items: center; gap: 10px;
    text-decoration: none; font-weight: bold; z-index: 1000; box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Reveal Animation */
.reveal { opacity: 0; transform: translateY(40px); transition: 1s all ease; }
.reveal.active { opacity: 1; transform: translateY(0); }
/* Doctors Styling */
.doctors { padding: 80px 10%; background: #fff; text-align: center; }
.doctors-grid {
    display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 40px;
}
.doctor-card { width: 280px; text-align: center; }
.doctor-img {
    position: relative; overflow: hidden; border-radius: 20px; margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.doctor-img img { width: 100%; transition: var(--transition); display: block; }

/* الـ Details اللي بتبهر: ظهور أيقونات السوشيال ميديا عند الوقوف على الصورة */
.social-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 180, 216, 0.7); display: flex; justify-content: center;
    align-items: center; gap: 15px; opacity: 0; transition: var(--transition);
}
.social-overlay a { color: white; font-size: 1.5rem; }
.doctor-img:hover .social-overlay { opacity: 1; }
.doctor-img:hover img { transform: scale(1.1); }

/* Footer Styling */
footer { background: var(--dark); color: white; padding: 60px 10% 20px; }
.footer-content {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 40px;
}
.footer-info p { font-size: 0.9rem; margin-top: 15px; opacity: 0.8; }
.footer-links ul { list-style: none; margin-top: 15px; }
.footer-links a { color: white; opacity: 0.7; text-decoration: none; transition: var(--transition); }
.footer-links a:hover { opacity: 1; padding-right: 10px; color: var(--primary); }
.footer-bottom { text-align: center; padding-top: 20px; font-size: 0.8rem; opacity: 0.6; }