/* ============================================
   CSS Custom Properties (Enhanced Design System)
   ============================================ */
:root {
    --brand-primary: #4a9d9c;
    --brand-primary-light: #bedede;
    --brand-primary-dark: #2d7a7a;
    --brand-accent: #2563eb;
    --brand-accent-light: #60a5fa;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --heading-color: #0f172a;
    --bg-light: #f8fafc;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--brand-primary-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--brand-primary-light);
    display: inline-block;
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

a {
    color: var(--brand-accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--brand-accent-light);
}

/* ============================================
   Modern Glass Navigation
   ============================================ */
.glass-nav {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.glass-nav.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: var(--shadow-lg);
}

.logo-container {
    padding: 0.25rem;
    background: linear-gradient(135deg, var(--brand-primary-light), white);
    border-radius: 12px;
    transition: var(--transition);
}

.logo-container:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.navbar-logo {
    height: 45px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    display: block;
    transition: var(--transition);
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    padding: 0.625rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
    transform: translateX(-50%);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-link:hover {
    background-color: var(--brand-primary-light);
    color: var(--brand-primary-dark) !important;
    transform: translateY(-1px);
}

.nav-link:hover::before {
    width: 60%;
}

.nav-link.active {
    background: var(--brand-primary-light);
    color: var(--brand-primary-dark) !important;
    font-weight: 600;
}

.nav-link.active::before {
    width: 60%;
}

/* ============================================
   Enhanced Hero Header Section
   ============================================ */
.hero-header-modern {
    position: relative;
    background: linear-gradient(135deg, #e0f7f7 0%, #b8e6e6 50%, #a8d8d8 100%);
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(225deg, var(--brand-accent), var(--brand-primary));
    bottom: -250px;
    left: -150px;
    animation-delay: 5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #60a5fa, var(--brand-primary-light));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.min-vh-40 {
    min-height: 40vh;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-block;
    animation: fadeIn 1s ease-out 0.2s both;
}

.badge-text {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--brand-primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--brand-primary-dark);
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--heading-color);
    margin-bottom: 1.5rem;
    animation: fadeIn 1s ease-out 0.4s both;
}

.text-gradient {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: fadeIn 1s ease-out 0.6s both;
}

.hero-cta {
    animation: fadeIn 1s ease-out 0.8s both;
}

.btn {
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    border: none;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-primary-dark), var(--brand-primary));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--brand-primary);
    color: var(--brand-primary-dark);
    background: rgba(255, 255, 255, 0.9);
}

.btn-outline-primary:hover {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
    transform: translateY(-2px);
}

.arrow-right {
    display: inline-block;
    transition: var(--transition);
}

.btn:hover .arrow-right {
    transform: translateX(4px);
}

.hero-features {
    animation: fadeIn 1s ease-out 1s both;
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-pill:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.25rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
    flex: 1;
    padding: 4rem 0;
    background: white;
}

.content-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.content-card:hover {
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--brand-primary-light);
    transition: var(--transition);
    position: sticky;
    top: 100px;
}

.sidebar-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.sidebar-header {
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--brand-primary-light);
    color: var(--brand-primary-dark);
}

/* ============================================
   Lists
   ============================================ */
ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
    position: relative;
    padding-left: 0.5rem;
}

li::marker {
    color: var(--brand-primary);
    font-weight: bold;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: linear-gradient(135deg, var(--brand-primary-light) 0%, #a8d8d8 100%);
    padding: 3rem 0 2rem;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-links a {
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 8px;
}

.footer-links a:hover {
    color: var(--brand-primary-dark);
    background: rgba(255, 255, 255, 0.5);
}

.footer-links .separator {
    color: var(--text-secondary);
    margin: 0 0.5rem;
    font-weight: bold;
}

.footer-copyright {
    padding-top: 1.5rem;
    border-top: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--text-primary);
}

/* ============================================
   Contact & Address Styling
   ============================================ */
address {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--brand-primary);
    margin: 1.5rem 0;
    font-style: normal;
    line-height: 1.8;
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 991px) {
    .hero-header-modern {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .content-card {
        padding: 1.5rem;
    }
    
    .navbar-logo {
        height: 40px;
    }
}

@media (max-width: 767px) {
    .hero-header-modern {
        padding: 100px 0 50px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem !important;
        font-size: 1rem;
    }
    
    .navbar-logo {
        height: 35px;
    }
    
    .feature-pill {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* ============================================
   Accessibility
   ============================================ */
a:focus,
button:focus,
.btn:focus {
    outline: 3px solid var(--brand-accent-light);
    outline-offset: 3px;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .glass-nav,
    .hero-header-modern,
    .sidebar-card,
    .site-footer {
        display: none;
    }
    
    .content-card {
        box-shadow: none;
        padding: 0;
    }
}