* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    background: #ffffff;
    color: #2d2d2d;
    line-height: 1.8;
}

/* Accessibility: Skip-to-Content Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: #2d5f3f;
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 0 0 6px 6px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Accessibility: Visually Hidden (screen reader only) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Navigation */
.main-nav {
    background: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s;
}

.main-nav.scrolled {
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    transition: opacity 0.3s;
}

.nav-brand:hover {
    opacity: 0.7;
}

.nav-brand-main {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #2d5f3f;
}

.nav-brand-name {
    font-size: 1rem;
    font-weight: 200;
    letter-spacing: 3px;
    color: #1a1a1a;
}

/* Hamburger Menu Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: #2d2d2d;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-menu a {
    color: #2d2d2d;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2d5f3f;
    transition: width 0.3s;
}

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

.nav-menu a:hover {
    color: #2d5f3f;
}

/* Focus styles for keyboard navigation */
.nav-menu a:focus-visible,
.nav-button:focus-visible,
.nav-brand:focus-visible,
.nav-toggle:focus-visible {
    outline: 2px solid #2d5f3f;
    outline-offset: 3px;
    border-radius: 3px;
}

.nav-button {
    padding: 0.7rem 1.8rem;
    background: #2d5f3f;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 400;
    transition: all 0.3s;
}

.nav-button:hover {
    background: #7fb342;
    transform: translateY(-2px);
}

/* Hero */
.hero-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 6rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(2px) brightness(1.25);
    opacity: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.35) 0%, rgba(250,250,250,0.3) 100%);
    z-index: 1;
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
}

.hero-logo {
    height: 180px;
    width: auto;
    margin-bottom: 2rem;
}

.hero-content-wrapper h1 {
    font-size: 0;
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.hero-content-wrapper p {
    font-size: 1.3rem;
    color: #444;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-locations {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.hero-locations span {
    font-size: 1rem;
    color: #2d5f3f;
    font-weight: 500;
}

/* Treatment Sections */
.treatment-section {
    padding: 5rem 0;
}

.treatment-section.alt {
    background: #fafafa;
}

.treatment-wrapper {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 3rem;
    display: grid;
    grid-template-columns: 0.9fr 1fr;
    gap: 4rem;
    align-items: start;
}

.treatment-wrapper.reverse {
    grid-template-columns: 1fr 0.9fr;
}

.treatment-wrapper.reverse .treatment-image {
    order: 2;
}

.treatment-wrapper.reverse .treatment-content {
    order: 1;
}

.treatment-image {
    position: sticky;
    top: 100px;
}

.treatment-image img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
}

.treatment-content {
    padding: 1rem 0;
}

.treatment-label {
    display: inline-block;
    font-size: 0.8rem;
    color: #5a8f2e;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.treatment-content h2 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 3rem;
    font-weight: 300;
    color: #2d5f3f;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: 1px;
}

.treatment-content .lead {
    font-size: 1.15rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.treatment-content h3 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.treatment-content p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 1.2rem;
    line-height: 1.8;
}

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

.treatment-content ul li {
    font-size: 1rem;
    color: #555;
    margin-bottom: 0.6rem;
    padding-left: 1.8rem;
    position: relative;
}

.treatment-content ul li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: #5a8f2e;
    font-weight: 500;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 3rem;
    background: #f5f5f5;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-container h2 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 2.5rem;
    font-weight: 300;
    color: #2d5f3f;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: 1px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.faq-item:hover {
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-item summary {
    padding: 1.2rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 500;
    color: #2d2d2d;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #2d5f3f;
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item[open] summary::after {
    content: '\2212';
}

.faq-item[open] summary {
    color: #2d5f3f;
    border-bottom: 1px solid #e8e8e8;
}

.faq-item p {
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    color: #555;
    line-height: 1.8;
}

.faq-item a {
    color: #2d5f3f;
    text-decoration: underline;
}

.faq-item a:hover {
    color: #5a8f2e;
}

/* Contact Section */
.contact-section {
    padding: 5rem 3rem;
    text-align: center;
    background: #2d5f3f;
    color: white;
}

.contact-container h2 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.contact-subtitle {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.contact-box h3 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 1.7rem;
    font-weight: 400;
    margin-bottom: 0.8rem;
    color: #c8d92b;
    letter-spacing: 0.5px;
}

.contact-box p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.95;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-methods a {
    font-size: 1.2rem;
    color: white;
    text-decoration: none;
    font-weight: 300;
    transition: opacity 0.3s;
}

.contact-methods a:hover {
    opacity: 0.7;
}

.contact-methods a:focus-visible {
    outline: 2px solid #c8d92b;
    outline-offset: 3px;
    border-radius: 3px;
}

/* Footer */
footer {
    padding: 2rem 3rem;
    background: #1a1a1a;
}

.footer-content {
    max-width: 1500px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    color: #999;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #999;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #7fb342;
}

.footer-links a:focus-visible {
    outline: 2px solid #7fb342;
    outline-offset: 3px;
    border-radius: 3px;
}

/* Responsive: Tablet */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 2rem;
    }

    .treatment-wrapper,
    .treatment-wrapper.reverse {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .treatment-wrapper.reverse .treatment-image {
        order: 1;
    }

    .treatment-wrapper.reverse .treatment-content {
        order: 2;
    }

    .treatment-image {
        position: relative;
        top: 0;
    }

    .treatment-image img {
        height: 450px;
    }
}

/* Responsive: Mobile */
@media (max-width: 968px) {
    .nav-container {
        padding: 1rem 1.5rem;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 0;
    }

    .nav-brand-main {
        font-size: 0.6rem;
        letter-spacing: 1.2px;
    }

    .nav-brand-name {
        font-size: 0.85rem;
        letter-spacing: 2.5px;
    }

    /* Show hamburger, hide menu by default */
    .nav-toggle {
        display: flex;
        order: 2;
    }

    .nav-button {
        order: 3;
        font-size: 0.9rem;
        padding: 0.6rem 1.5rem;
    }

    .nav-menu {
        display: none;
        order: 4;
        width: 100%;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0 0.5rem;
        border-top: 1px solid #e8e8e8;
        margin-top: 1rem;
    }

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

    .nav-menu a {
        display: block;
        padding: 0.8rem 0;
        font-size: 1rem;
    }

    .nav-menu a::after {
        display: none;
    }

    .hero-section {
        padding: 6rem 1.5rem 4rem;
    }

    .hero-background img {
        filter: blur(3px) brightness(1.2);
        opacity: 0.3;
    }

    .hero-logo {
        height: 120px;
        margin-bottom: 1.5rem;
    }

    .hero-content-wrapper p {
        font-size: 1.1rem;
    }

    .hero-locations {
        flex-direction: column;
        gap: 1rem;
    }

    .treatment-section {
        padding: 3rem 0;
    }

    .treatment-wrapper,
    .treatment-wrapper.reverse {
        padding: 0 1.5rem;
        grid-template-columns: 100px 1fr;
        gap: 1.5rem;
        align-items: start;
    }

    .treatment-wrapper.reverse .treatment-image {
        order: 1;
    }

    .treatment-wrapper.reverse .treatment-content {
        order: 2;
    }

    .treatment-image {
        position: relative;
        top: 0;
    }

    .treatment-image img {
        height: 100px;
        width: 100px;
        border-radius: 8px;
    }

    .treatment-label {
        font-size: 0.7rem;
        margin-bottom: 0.5rem;
    }

    .treatment-content h2 {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
    }

    .treatment-content .lead {
        font-size: 0.95rem;
        margin-bottom: 1.2rem;
    }

    .treatment-content h3 {
        font-size: 1.15rem;
        margin-top: 1.5rem;
        margin-bottom: 0.7rem;
    }

    .treatment-content p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .treatment-content ul {
        margin: 1rem 0;
    }

    .treatment-content ul li {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    /* FAQ Mobile */
    .faq-section {
        padding: 3rem 1.5rem;
    }

    .faq-container h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    .faq-item summary {
        font-size: 0.95rem;
        padding: 1rem 1.2rem;
    }

    .faq-item p {
        padding: 1rem 1.2rem;
        font-size: 0.9rem;
    }

    .contact-section {
        padding: 5rem 1.5rem;
    }

    .contact-container h2 {
        font-size: 2.5rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-methods {
        flex-direction: column;
        gap: 1.5rem;
    }

    .contact-methods a {
        font-size: 1.2rem;
    }

    footer {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

/* Print Styles */
@media print {
    .main-nav,
    .skip-link,
    .nav-toggle {
        display: none;
    }

    .hero-section {
        padding: 2rem;
    }

    .hero-background {
        display: none;
    }

    .hero-content-wrapper h1 {
        font-size: 2rem;
        position: static;
        width: auto;
        height: auto;
        overflow: visible;
        clip: auto;
    }

    .treatment-image {
        position: relative;
    }

    .contact-section {
        background: #fff;
        color: #2d2d2d;
    }

    .contact-box h3 {
        color: #2d5f3f;
    }
}