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

:root {
    --primary-color: #00a8cc;
    --secondary-color: #005f73;
    --accent-color: #0a9396;
    --text-dark: #1a1a2e;
    --text-light: #555;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

.nav-menu a:hover::after {
    width: 100%;
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,168,204,0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #e0f7fa 0%, #f1f8f9 100%);
    padding: 5rem 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    box-shadow: var(--box-shadow);
}

.feature-badge i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Services Section */
.services {
    padding: 5rem 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Prescription Form Section */
.prescription-form {
    padding: 5rem 0;
    background: var(--bg-light);
}

.form-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-section {
    margin-bottom: 2.5rem;
}

.form-section h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bg-light);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-section h3 i {
    color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,168,204,0.1);
}

.form-group small {
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.form-actions {
    text-align: center;
    margin-top: 2rem;
}

.form-actions button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-features {
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.about-feature i {
    color: var(--success);
    font-size: 1.25rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.contact-card p {
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

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

.footer-bottom p {
    color: rgba(255,255,255,0.7);
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .form-container {
        padding: 2rem 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        flex-direction: column;
    }
}

/* Form Validation Styles */
input:invalid:not(:placeholder-shown),
select:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
    border-color: var(--danger);
}

input:valid:not(:placeholder-shown),
select:valid:not(:placeholder-shown),
textarea:valid:not(:placeholder-shown) {
    border-color: var(--success);
}