/* ========================================
   WCSH CPD CENTER - ENHANCED STYLESHEET
   Modern Blue & Orange Design with Visual Enhancements
   Email: cpdwcsh@gmail.com
   Phone: +251-91-615-4691
   ======================================== */

/* ========================================
   COLOR PALETTE
   ======================================== */
:root {
    --primary-blue: #1E40AF;        /* Rich Blue - Navbar & Footer */
    --secondary-blue: #3B82F6;      /* Bright Blue - Accents */
    --light-blue: #DBEAFE;          /* Light Blue - Backgrounds */
    --soft-blue: #EFF6FF;           /* Very Light Blue */
    --primary-orange: #F97316;      /* Vibrant Orange - CTAs */
    --light-orange: #FED7AA;        /* Light Orange - Highlights */
    --soft-orange: #FFEDD5;         /* Very Light Orange */
    --white: #FFFFFF;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --border-gray: #E5E7EB;
    --success-green: #10B981;
    --error-red: #EF4444;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #F9FAFB;
    font-weight: 500;
}

/* ========================================
   TYPOGRAPHY - ENHANCED
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.75rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.375rem;
}

p {
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--text-gray);
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: var(--secondary-blue);
    transition: all 0.3s ease;
    font-weight: 600;
}

a:hover {
    color: var(--primary-blue);
    transform: translateY(-1px);
}

/* ========================================
   LAYOUT CONTAINERS
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.content-container {
    max-width: 900px;
    margin: 0 auto;
}

.section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--soft-blue) 0%, var(--light-blue) 50%, var(--soft-orange) 100%);
}

.section-gray {
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.25rem;
    color: var(--text-dark);
    font-weight: 800;
    position: relative;
    padding-bottom: 1.25rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--primary-orange));
    border-radius: 3px;
}

.text-center {
    text-align: center;
}

/* ========================================
   NAVIGATION BAR - ENHANCED
   ======================================== */

.navbar {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E3A8A 100%);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.25);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.nav-brand:hover {
    transform: scale(1.05);
}

.logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-orange), #EA580C);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: bold;
    border-radius: 14px;
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.4);
}

.brand-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu li a {
    color: var(--white);
    font-weight: 600;
    padding: 0.5rem 0;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    font-size: 1.05rem;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--light-orange);
    border-bottom-color: var(--primary-orange);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ========================================
   BUTTONS - ENHANCED
   ======================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2.25rem;
    border-radius: 12px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange), #EA580C);
    color: white;
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.45);
}

.btn-outline {
    background-color: white;
    color: var(--secondary-blue);
    border: 3px solid var(--secondary-blue);
}

.btn-outline:hover {
    background-color: var(--secondary-blue);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.btn-outline-small {
    padding: 0.5rem 1.25rem;
    font-size: 0.95rem;
    background-color: white;
    color: var(--secondary-blue);
    border: 2px solid var(--secondary-blue);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline-small:hover {
    background-color: var(--secondary-blue);
    color: white;
}

.btn-full {
    width: 100%;
}

/* ========================================
   HERO SECTION - ENHANCED
   ======================================== */

.hero {
    background: linear-gradient(135deg, var(--soft-blue) 0%, var(--light-blue) 50%, var(--soft-orange) 100%);
    padding: 6rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-logo {
    margin-bottom: 2.5rem;
    animation: fadeInDown 0.8s ease-out;
}

.hospital-logo {
    max-width: 170px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 5px 15px rgba(30, 64, 175, 0.25));
    border-radius: 50%;
    border: 5px solid var(--primary-orange);
    transition: transform 0.3s ease;
}

.hospital-logo:hover {
    transform: scale(1.1) rotate(5deg);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    color: var(--primary-blue);
    margin-bottom: 1.25rem;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   ANNOUNCEMENT BANNER
   ======================================== */

.announcement-banner {
    background: linear-gradient(90deg, var(--secondary-blue), var(--primary-blue));
    padding: 1.25rem;
    text-align: center;
    box-shadow: 0 3px 10px rgba(30, 64, 175, 0.2);
}

.announcement-banner p {
    margin: 0;
    color: var(--white);
    font-weight: 700;
    font-size: 1.05rem;
}

/* ========================================
   PAGE HEADER - ENHANCED
   ======================================== */

.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E3A8A 100%);
    color: white;
    padding: 4rem 1.5rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(30, 64, 175, 0.25);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.page-header h1 {
    color: white;
    margin-bottom: 0.75rem;
    font-weight: 900;
    font-size: 3rem;
    position: relative;
}

.page-header p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
    margin: 0;
    font-weight: 600;
    position: relative;
}

/* ========================================
   CARDS & GRIDS - ENHANCED
   ======================================== */

.highlights-grid,
.categories-grid,
.event-types-grid,
.resource-types-grid,
.collaboration-areas-grid,
.benefits-grid,
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.highlight-card,
.category-card,
.event-type-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 2px solid var(--border-gray);
}

.highlight-card:hover,
.category-card:hover,
.event-type-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.2);
    border-color: var(--secondary-blue);
}

.highlight-icon,
.category-icon,
.event-type-icon {
    font-size: 3.5rem;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.75rem;
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    border-radius: 24px;
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.35);
    transition: all 0.4s ease;
}

.highlight-card:hover .highlight-icon,
.category-card:hover .category-icon,
.event-type-card:hover .event-type-icon {
    transform: scale(1.15) rotate(8deg);
    background: linear-gradient(135deg, var(--primary-orange), #EA580C);
}

.highlight-card h3,
.category-card h3,
.event-type-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.875rem;
    font-weight: 800;
    font-size: 1.3rem;
}

.highlight-card p,
.category-card p,
.event-type-card p {
    color: var(--text-gray);
    font-size: 1rem;
    margin: 0;
    line-height: 1.7;
}

/* ========================================
   MISSION TEXT
   ======================================== */

.mission-text {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.9;
    font-weight: 600;
}

/* ========================================
   FOOTER - ENHANCED
   ======================================== */

.footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E3A8A 100%);
    color: white;
    padding: 4rem 0 1.5rem;
    box-shadow: 0 -5px 20px rgba(30, 64, 175, 0.25);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-column h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    font-weight: 800;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--light-orange);
    padding-left: 5px;
}

.footer-contact li {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   EVENTS & COURSES
   ======================================== */

.events-preview-grid,
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

.event-card,
.course-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid var(--border-gray);
}

.event-card:hover,
.course-card:hover {
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.2);
    transform: translateY(-8px);
    border-color: var(--secondary-blue);
}

/* ========================================
   RESPONSIVE DESIGN - ENHANCED
   ======================================== */

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-blue) 0%, #1E3A8A 100%);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu li a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.link-primary {
    color: var(--secondary-blue);
    font-weight: 800;
    transition: color 0.3s ease;
}

.link-primary:hover {
    color: var(--primary-blue);
}

.no-results {
    text-align: center;
    padding: 4rem;
    color: var(--text-gray);
    font-size: 1.15rem;
    font-weight: 600;
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */

.back-to-top {
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4) !important;
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--primary-orange), #EA580C) !important;
}