/* 
   ==========================================================================
   CSS Variables & Design System (Inspinia-inspired Health Theme)
   ========================================================================== 
*/
:root {
    /* Primary Colors - Premium Medical/Health Palette */
    --primary-color: #1ab394; /* Inspinia Green */
    --primary-dark: #18a689;
    --primary-light: #e6f7f4;
    
    /* Neutral Colors */
    --bg-color: #f3f3f4; /* Inspinia subtle gray bg */
    --surface-color: #ffffff;
    --text-main: #676a6c; /* Inspinia text color */
    --text-muted: #888888;
    --text-heading: #2f4050; /* Inspinia heading dark blue */
    
    /* Utility Colors */
    --border-color: #e7eaec;
    --success: #1c84c6;
    --warning: #f8ac59;
    --danger: #ed5565;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
    --shadow-floating: 0 20px 40px rgba(0,0,0,0.15);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
    background-color: var(--surface-color);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

/* 
   ==========================================================================
   Typography Utilities
   ========================================================================== 
*/
.text-primary { color: var(--primary-color) !important; }
.text-white { color: #ffffff !important; }
.text-light { color: #f8f9fa !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-center { text-align: center; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }
.mt-3 { margin-top: 1.5rem !important; }

/* 
   ==========================================================================
   Buttons
   ========================================================================== 
*/
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    text-align: center;
    border-radius: 4px; /* Inspinia uses slightly rounded corners */
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: #ffffff;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-heading);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--text-heading);
    background-color: var(--text-heading);
    color: #ffffff;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 
   ==========================================================================
   Navigation
   ========================================================================== 
*/
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: padding var(--transition-normal);
}

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

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-main);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-btn {
    padding: 0.5rem 1.25rem;
}

.navbar-toggler {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-heading);
}

/* 
   ==========================================================================
   Hero Section
   ========================================================================== 
*/
.hero {
    position: relative;
    padding-top: 150px;
    padding-bottom: var(--space-xl);
    background-color: var(--bg-color);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: var(--space-sm);
}

.hero-text p {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--text-main);
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image {
    position: relative;
    z-index: 2;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder.large {
    height: 600px;
}

.floating-card {
    position: absolute;
    z-index: 3;
    background: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-floating);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
}

.floating-card h4 {
    margin-bottom: 0;
    font-size: 1.25rem;
}

.floating-card span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.experience-card {
    bottom: 10%;
    left: -10%;
}

.patients-card {
    top: 20%;
    right: -5%;
    animation-delay: 3s;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.hero-shape {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 1;
}

.hero-shape svg {
    display: block;
    width: 100%;
}

/* 
   ==========================================================================
   Sections
   ========================================================================== 
*/
.section {
    padding: var(--space-xl) 0;
}

.bg-light {
    background-color: var(--surface-color);
}

.section-title {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Service Cards */
.service-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: var(--space-md);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: transparent;
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-fast);
}

.service-card:hover .card-icon {
    background-color: var(--primary-color);
    color: #ffffff;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    margin-top: 1rem;
}

.link-arrow i {
    transition: transform var(--transition-fast);
}

.link-arrow:hover i {
    transform: translateX(5px);
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.about-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.feature-list {
    margin-top: 1.5rem;
}

.feature-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    background-color: var(--text-heading);
    position: relative;
    overflow: hidden;
}

.cta-form {
    max-width: 500px;
    margin: 0 auto;
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    text-align: left;
}

.form-group {
    margin-bottom: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 
   ==========================================================================
   Footer
   ========================================================================== 
*/
.footer {
    background-color: #24323f; /* Darker variant of Inspinia heading */
    color: #ffffff;
    padding: var(--space-lg) 0 var(--space-sm);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer h4 {
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.footer ul li {
    margin-bottom: 0.75rem;
}

.footer ul li a {
    color: rgba(255,255,255,0.7);
}

.footer ul li a:hover {
    color: var(--primary-color);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255,255,255,0.7);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.875rem;
}

/* 
   ==========================================================================
   Animations
   ========================================================================== 
*/
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

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

/* 
   ==========================================================================
   Responsive Design
   ========================================================================== 
*/
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text p {
        max-width: 100%;
        margin: 0 auto var(--space-md);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .floating-card {
        display: none; /* Hide floating cards on smaller screens */
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: var(--shadow-md);
        display: none;
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-toggler {
        display: block;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}