/**
 * Sama Hospital - Premium Medical Design System
 */

:root {
    /* Sophisticated Medical Palette */
    --primary-gradient: linear-gradient(135deg, #004e92, #000428); /* Deep Midnight Medical Blue */
    --accent-gradient: linear-gradient(135deg, #00d2ff, #3a7bd5); /* Trust Cyan */
    --medical-blue: #0056b3;
    --medical-blue-dark: #001f3f;
    --medical-blue-light: #f0f7ff;
    --accent-color: #00d2ff;
    --emergency-red: #ff3b30;
    
    /* Luxury Neutrals */
    --bg-main: #ffffff;
    --bg-soft: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-soft: #e2e8f0;
    
    /* Elevated UI Tokens */
    --shadow-premium: 0 20px 40px rgba(0, 78, 146, 0.08);
    --shadow-float: 0 30px 60px rgba(0, 0, 0, 0.12);
    --radius-xl: 30px;
    --radius-lg: 20px;
    --transition-smooth: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Base Refinements */
body {
    direction: rtl;
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

/* Premium Navigation */
.main-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

/* Hero Section - High Tech Look */
.hero-section {
    background: radial-gradient(circle at 70% 30%, #f0f7ff 0%, #ffffff 100%);
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 40%;
    height: 60%;
    background: var(--primary-gradient);
    filter: blur(150px);
    opacity: 0.05;
    border-radius: 50%;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
}

/* Advanced Component: Glass Card */
.premium-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.premium-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-float);
    border-color: var(--accent-color);
}

/* Floating Emergency Button */
.btn-emergency-premium {
    background: var(--emergency-red);
    color: white;
    padding: 15px 35px;
    border-radius: 100px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(255, 59, 48, 0.3);
    transition: var(--transition-smooth);
}

.btn-emergency-premium:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 35px rgba(255, 59, 48, 0.4);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

/* Medical Component Library */

/* 1. Glassmorphism Cards */
.medical-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.medical-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    border-color: var(--medical-blue-light);
}

/* 2. Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--medical-blue), var(--medical-blue-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(0, 86, 179, 0.4);
    transform: scale(1.02);
}

.btn-emergency {
    background: linear-gradient(135deg, var(--medical-red), #b21f2d);
    color: var(--white);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(220, 53, 69, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

/* 3. Sticky Features */
.sticky-booking {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 1000;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

/* 4. Navigation */
.main-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
}

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

.logo img {
    height: 60px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-menu a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-family: 'Tajawal', sans-serif;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--medical-blue);
}

/* 5. Hero Section */
.hero-section {
    background: radial-gradient(circle at top right, var(--medical-blue-light), var(--white));
    padding: 120px 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--medical-blue-dark);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}