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

:root {
    --primary-color: #1e4d8c;
    --secondary-color: #5b9bd5;
    --accent-color: #3498db;
    --text-color: #333333;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --border-radius: 8px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

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

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 0.5rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: block;
    padding: 1rem 0;
}

.logo img {
    display: block;
    height: auto;
    max-width: 200px;
    width: 100%;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.nav-links a:hover {
    color: var(--accent-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 160px 0 100px;
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-text {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Buttons */
.cta-button {
    background-color: var(--accent-color);
    color: var(--white) !important;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.cta-button-large {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 2rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button-large:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Welcome Section */
.welcome {
    padding: 80px 0;
    background-color: var(--white);
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.welcome-content {
    max-width: 800px;
    margin: 0 auto;
}

.welcome h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    font-size: 2.5rem;
}

.welcome ul {
    list-style: none;
    margin: 1.5rem 0;
    padding-left: 0;
}

.welcome li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.welcome li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* Insurance Section */
.insurance {
    padding: 60px 0;
    background-color: var(--light-bg);
    text-align: center;
}

.insurance h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.insurance-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.insurance-logo {
    height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.insurance-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Location and Hours */
.location-hours {
    padding: 80px 0;
    background-color: var(--white);
}

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

.info-card {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    margin: 4rem 0;
    border-radius: var(--border-radius);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo img {
    display: block;
    height: auto;
    max-width: 300px;
    width: 100%;
    border: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    background-color: var(--white);
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-links a {
    display: block;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        box-shadow: var(--box-shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .mobile-menu-btn span {
        display: block;
        width: 25px;
        height: 3px;
        background-color: var(--text-color);
        transition: all 0.3s ease;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-text {
        font-size: 1.1rem;
    }

    .insurance-logos {
        gap: 2rem;
    }

    .insurance-logo {
        height: 40px;
    }

    .welcome h2 {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero, .welcome, .insurance, .location-hours, .cta-section {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Process Page Styles */
.process-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 200px 0 120px;
    text-align: center;
    margin-bottom: 4rem;
}

.process-steps {
    padding: 40px 0;
}

.step {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--box-shadow);
    position: relative;
}

.step-number {
    background-color: var(--accent-color);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    position: absolute;
    top: -20px;
    left: 2rem;
}

.step h3 {
    color: var(--primary-color);
    margin: 1rem 0;
    font-size: 1.5rem;
}

.step-content {
    margin-top: 1.5rem;
}

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

.study-type {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.study-type h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.study-details h5 {
    margin: 1rem 0 0.5rem;
    color: var(--secondary-color);
}

.note {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
    margin-top: 1rem;
}

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

.treatment {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.treatment h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.follow-up {
    background-color: var(--white);
    padding: 4rem 0;
    margin: 4rem 0;
}

.follow-up h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.follow-up ul {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
    padding-left: 0;
}

.follow-up li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.follow-up li::before {
    content: "✓";
    color: var(--success-color);
    position: absolute;
    left: 0;
}

/* Appointment Page Styles */
.appointment-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 200px 0 120px;
    text-align: center;
    margin-bottom: 4rem;
}

.appointment-form {
    padding: 40px 0 80px;
}

.appointment-form .container {
    display: block;
}

.form-intro {
    grid-column: 1 / -1;
    text-align: center;
    margin-bottom: 2rem;
}

.form-intro h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.form-intro p {
    color: #666;
    font-size: 1.1rem;
}

.form-layout {
    display: contents;
}

.form-container {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.form-note {
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.5rem;
}

.consent-group {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.consent-group input[type="checkbox"] {
    margin-top: 0.25rem;
}

.consent-group label {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.submit-button {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.form-sidebar {
    align-self: start;
    position: sticky;
    top: 100px;
}

.info-card {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.info-card li::before {
    content: "→";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

.contact-info {
    font-weight: 600;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

/* Responsive Design for New Pages */
@media (max-width: 992px) {
    .appointment-form .container {
        grid-template-columns: 1fr;
    }

    .form-sidebar {
        position: static;
        margin-top: 2rem;
    }

    .study-types,
    .treatment-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .process-hero,
    .appointment-hero {
        padding: 120px 0 60px;
    }

    .step {
        padding: 1.5rem;
    }

    .form-container {
        padding: 1.5rem;
    }

    .form-section {
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .process-hero h1,
    .appointment-hero h1 {
        font-size: 2rem;
    }

    .consent-group {
        gap: 0.5rem;
    }

    .consent-group label {
        font-size: 0.8rem;
    }
}

/* Form Validation and Success Styles */
.error-container {
    background-color: #fef2f2;
    border: 1px solid #fee2e2;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 2rem;
}

.error-list {
    color: var(--error-color);
}

.error-list p {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.error-list ul {
    list-style-type: none;
    padding-left: 0;
}

.error-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.error-list li::before {
    content: "×";
    position: absolute;
    left: 0;
    font-weight: bold;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-color);
    background-color: #fef2f2;
}

.form-group.error label {
    color: var(--error-color);
}

.success-message {
    text-align: center;
    padding: 3rem 2rem;
}

.success-message h3 {
    color: var(--success-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.success-message p {
    color: #333;
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.success-actions {
    margin-top: 2rem;
}

/* Mobile Menu Button Active State */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}