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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #6366f1;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --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);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header Styles */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1002;
}

.header-main {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo-section {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-shrink: 0;
}

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

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    margin-top: 0;
}

.nav .container {
    display: flex;
    justify-content: center;
    position: relative;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #124E72;
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    background: #124E72;
    border-radius: 8px;
    overflow: hidden;
}

.nav-link {
    display: block;
    padding: 16px 24px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background: #0f3d5a;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-color);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.book-appointment-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-color);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.3s, transform 0.2s;
    white-space: nowrap;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.book-appointment-btn:hover {
    background: #d97706;
    transform: translateY(-2px);
}

.book-appointment-btn svg {
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #124E72 0%, #0f3d5a 100%);
    color: white;
    padding: 80px 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.hero-message {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 24px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    backdrop-filter: blur(10px);
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.about-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-light);
    border-radius: 12px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 48px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.contact-icon {
    color: var(--primary-color);
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.contact-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.contact-form-container {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    background: var(--primary-color);
    color: white;
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

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

/* Links Section */
.links {
    padding: 80px 0;
    background: var(--bg-white);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.link-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

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

.link-card svg {
    color: var(--primary-color);
}

.link-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.link-card p {
    color: var(--text-light);
    margin: 0;
}

/* Clients Section */
.clients {
    padding: 80px 0;
    background: var(--bg-light);
}

.clients-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.client-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.client-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.checklist,
.tips-list {
    list-style: none;
    padding: 0;
}

.checklist li,
.tips-list li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
}

.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.tips-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1;
}

.dates-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.date-item {
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.date-month {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.date-desc {
    color: var(--text-light);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 8px;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 968px) {
    .header-main {
        flex-wrap: wrap;
    }

    .header-actions {
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    .header-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .logo-section {
        text-align: left;
        width: 100%;
    }

    .logo-image {
        max-height: 150px;
    }

    .header-actions {
        position: relative;
        top: auto;
        right: auto;
        margin-left: 0;
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .book-appointment-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .book-appointment-btn svg {
        display: inline-block;
    }

    .nav {
        padding: 15px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 20px;
        right: 20px;
        background: #124E72;
        border-radius: 8px;
        margin-top: 10px;
        box-shadow: var(--shadow-lg);
        z-index: 1002;
    }

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

    .nav-link {
        padding: 14px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .services,
    .about,
    .contact,
    .links,
    .clients {
        padding: 60px 0;
    }

    .services-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .clients-content {
        grid-template-columns: 1fr;
    }

    .contact-form-container {
        padding: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card,
    .contact-card,
    .client-card {
        padding: 24px;
    }

    .go-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .go-to-top svg {
        width: 20px;
        height: 20px;
    }
}

/* Smooth scroll animation */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Go to Top Button */
.go-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #124E72;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.3s;
    z-index: 999;
}

.go-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.go-to-top:hover {
    background: #0f3d5a;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.go-to-top:active {
    transform: translateY(-1px);
}

.go-to-top svg {
    width: 24px;
    height: 24px;
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}