/* 
 * Omnirexthra Spa and Massage Studio
 * Main CSS file
 */

/* ===== IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --color-background: #FBFBFB;
    --color-accent: #D8A48F;
    --color-secondary: #F3D8C7;
    --color-text: #1E1E1E;
    --color-button: #D8A48F;
    --color-button-hover: #C08B76;
    --color-light: #FFFFFF;
    --color-border: #E5E5E5;
    --color-error: #D83A3A;
    --color-success: #4CAF50;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Noto Sans', sans-serif;
    --font-size-base: 1rem;
    --font-size-small: 0.875rem;
    --font-size-large: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --line-height-base: 1.5;
    --line-height-heading: 1.2;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 2rem;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-index-header: 100;
    --z-index-modal: 200;
    --z-index-dropdown: 300;
    --z-index-overlay: 400;
    --z-index-backtotop: 500;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    
    /* Breakpoints */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed header */
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: var(--line-height-heading);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover, a:focus {
    color: var(--color-button-hover);
    text-decoration: underline;
}

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

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

/* Media queries for responsive typography */
@media (min-width: 768px) {
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2 {
        font-size: var(--font-size-3xl);
    }
    
    h3 {
        font-size: var(--font-size-2xl);
    }
}

/* ===== ACCESSIBILITY ===== */
.skip-link {
    background: var(--color-accent);
    color: var(--color-light);
    font-weight: 600;
    left: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    position: absolute;
    top: -100px;
    transition: top var(--transition-fast);
    z-index: var(--z-index-header);
}

.skip-link:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    text-decoration: none;
    top: 0;
}

/* Focus styles */
:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Screen reader only */
.sr-only {
    border: 0;
    clip: rect(0, 0, 0, 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

/* ===== LAYOUT ===== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section__container {
    align-items: center;
    margin: 0 auto;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    width: 100%;
}

.section__title {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section__title--centered {
    text-align: center;
}

.section__subtitle {
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--font-size-large);
    font-weight: 400;
    margin-bottom: var(--spacing-xl);
    opacity: 0.8;
    text-align: center;
}

.section__content {
    margin-bottom: var(--spacing-xl);
}

.section__image-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.section__image {
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%;
}

/* Two-column layout */
@media (min-width: 768px) {
    .section__container {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-2xl);
    }
    
    .section--about .section__container,
    .section--contact .section__container {
        display: flex;
        align-items: center;
    }
    
    .section--about .section__content,
    .section--contact .contact__info {
        flex: 1;
        margin-right: var(--spacing-xl);
    }
    
    .section--about .section__image-container,
    .section--contact .contact__form-container {
        flex: 1;
    }
    
    .section__title--centered,
    .section__subtitle {
        width: 100%;
    }
}

/* ===== COMPONENTS ===== */

/* Buttons */
.button {
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.button--primary {
    background-color: var(--color-button);
    color: var(--color-light);
}

.button--primary:hover, .button--primary:focus {
    background-color: var(--color-button-hover);
    color: var(--color-light);
    text-decoration: none;
    transform: translateY(-2px);
}

.button--secondary {
    background-color: transparent;
    border: 1px solid var(--color-button);
    color: var(--color-button);
}

.button--secondary:hover, .button--secondary:focus {
    background-color: var(--color-button);
    color: var(--color-light);
    text-decoration: none;
    transform: translateY(-2px);
}

.button--full {
    display: block;
    width: 100%;
}

/* Header */
.header {
    background-color: var(--color-background);
    box-shadow: var(--shadow-sm);
    left: 0;
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    transition: padding var(--transition-base), box-shadow var(--transition-base);
    width: 100%;
    z-index: var(--z-index-header);
}

.header__container {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    width: 100%;
}

.header__logo-link {
    display: block;
}

.header__logo {
    height: 40px;
    width: auto;
}

/* Navigation */
.nav__toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 24px;
    justify-content: space-between;
    padding: 0;
    width: 30px;
}

.nav__toggle-bar {
    background-color: var(--color-text);
    border-radius: 2px;
    height: 2px;
    transition: all var(--transition-fast);
    width: 100%;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: translateY(11px) 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(-11px) rotate(-45deg);
}

.nav__menu {
    background-color: var(--color-background);
    display: none;
    flex-direction: column;
    left: 0;
    list-style: none;
    margin: 0;
    padding: var(--spacing-lg);
    position: absolute;
    top: 100%;
    width: 100%;
}

.nav__menu--active {
    display: flex;
}

.nav__item {
    margin-bottom: var(--spacing-md);
}

.nav__link {
    color: var(--color-text);
    display: block;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav__link:hover, .nav__link:focus {
    color: var(--color-accent);
    text-decoration: none;
}

.nav__link--highlighted {
    background-color: var(--color-button);
    border-radius: var(--border-radius-full);
    color: var(--color-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-align: center;
}

.nav__link--highlighted:hover, .nav__link--highlighted:focus {
    background-color: var(--color-button-hover);
    color: var(--color-light);
    text-decoration: none;
}

@media (min-width: 992px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        background-color: transparent;
        display: flex;
        flex-direction: row;
        position: static;
        padding: 0;
        width: auto;
    }
    
    .nav__item {
        margin-bottom: 0;
        margin-left: var(--spacing-lg);
    }
    
    .nav__link {
        padding: var(--spacing-sm) var(--spacing-sm);
    }
}

/* Hero Section */
.hero {
    align-items: center;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    text-align: center;
    width: 100%;
}

.hero__content {
    max-width: 800px;
    padding: var(--spacing-3xl) var(--container-padding);
    position: relative;
    z-index: 1;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero__image-container {
    height: 50vh;
    margin-top: var(--spacing-xl);
    overflow: hidden;
    width: 100%;
}

.hero__image {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

@media (min-width: 768px) {
    .hero {
        flex-direction: row;
        text-align: left;
    }
    
    .hero__content {
        flex: 1;
        padding: 0 var(--spacing-xl) 0 var(--container-padding);
    }
    
    .hero__image-container {
        flex: 1;
        height: 100vh;
        margin-top: 0;
    }
}

/* Team Section */
.team {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-xl);
}

.team__member {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    padding-bottom: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-base);
}

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

.team__image-container {
    height: 300px;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    width: 100%;
}

.team__image {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.team__name {
    margin-bottom: var(--spacing-xs);
    padding: 0 var(--spacing-lg);
}

.team__role {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-lg);
}

.team__description {
    opacity: 0.8;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
    .team {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Treatments Section */
.treatments {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-xl);
}

.treatment-card {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-base);
}

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

.treatment-card__image-container {
    height: 250px;
    overflow: hidden;
    width: 100%;
}

.treatment-card__image {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.treatment-card__content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: var(--spacing-lg);
}

.treatment-card__title {
    margin-bottom: var(--spacing-sm);
}

.treatment-card__description {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.treatment-card__duration {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .treatments {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Testimonials Section */
.testimonials {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-xl);
}

.testimonial {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    padding: var(--spacing-xl);
    position: relative;
    transition: transform var(--transition-base);
}

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

.testimonial__content {
    position: relative;
    z-index: 1;
}

.testimonial__content::before {
    color: var(--color-secondary);
    content: '"';
    font-family: var(--font-heading);
    font-size: 6rem;
    left: -10px;
    line-height: 1;
    opacity: 0.3;
    position: absolute;
    top: -40px;
    z-index: -1;
}

.testimonial__text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial__author {
    color: var(--color-accent);
    font-weight: 600;
}

@media (min-width: 768px) {
    .testimonials {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Pricing Section */
.pricing {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-xl);
}

.pricing__category {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    padding: var(--spacing-xl);
}

.pricing__title {
    border-bottom: 1px solid var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    text-align: center;
}

.pricing__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pricing__item {
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.pricing__item:last-child {
    border-bottom: none;
}

.pricing__service {
    padding-right: var(--spacing-md);
}

.pricing__price {
    color: var(--color-accent);
    font-weight: 600;
    white-space: nowrap;
}

@media (min-width: 768px) {
    .pricing {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* FAQ Section */
.faq {
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-xl);
    overflow: hidden;
}

.faq__item {
    background-color: var(--color-light);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.faq__item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.faq__question {
    align-items: center;
    background-color: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    font-family: var(--font-heading);
    font-size: var(--font-size-large);
    font-weight: 500;
    justify-content: space-between;
    padding: var(--spacing-lg);
    text-align: left;
    width: 100%;
}

.faq__icon {
    display: inline-block;
    height: 24px;
    position: relative;
    transition: transform var(--transition-fast);
    width: 24px;
}

.faq__icon::before,
.faq__icon::after {
    background-color: var(--color-accent);
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    top: 50%;
    transition: transform var(--transition-fast);
    width: 100%;
}

.faq__icon::after {
    transform: rotate(90deg);
}

.faq__question--active .faq__icon::after {
    transform: rotate(0);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--spacing-lg);
    transition: max-height var(--transition-base);
}

/* Contact Section */
.contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__info {
    margin-bottom: var(--spacing-xl);
}

.contact__text {
    margin-bottom: var(--spacing-lg);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__detail {
    align-items: flex-start;
    display: flex;
}

.contact__icon {
    color: var(--color-accent);
    fill: currentColor;
    flex-shrink: 0;
    height: 24px;
    margin-right: var(--spacing-md);
    margin-top: var(--spacing-xs);
    width: 24px;
}

.contact__label {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact__value {
    margin-bottom: 0;
}

.contact__form-container {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

.contact__form-title {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form__input,
.form__textarea,
.form__select {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    padding: var(--spacing-md);
    transition: border-color var(--transition-fast);
    width: 100%;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    border-color: var(--color-accent);
    outline: none;
}

.form__input--error,
.form__textarea--error {
    border-color: var(--color-error);
}

.form__error {
    color: var(--color-error);
    display: block;
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
}

.form__group--checkbox {
    align-items: flex-start;
    display: flex;
}

.form__checkbox {
    margin-right: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.form__checkbox--error + .form__checkbox-label {
    color: var(--color-error);
}

.form__checkbox-label {
    font-size: var(--font-size-small);
}

@media (min-width: 768px) {
    .contact {
        flex-direction: row;
    }
    
    .contact__info {
        flex: 1;
        margin-bottom: 0;
        margin-right: var(--spacing-xl);
    }
    
    .contact__form-container {
        flex: 1;
    }
}

/* Success Page */
.success {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: var(--spacing-3xl) auto;
    max-width: 600px;
    padding: var(--spacing-2xl);
    text-align: center;
}

.success__icon {
    background-color: var(--color-success);
    border-radius: 50%;
    color: var(--color-light);
    display: flex;
    fill: currentColor;
    height: 64px;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-md);
    width: 64px;
}

.success__title {
    color: var(--color-success);
    margin-bottom: var(--spacing-lg);
}

.success__message {
    margin-bottom: var(--spacing-xl);
}

.success__details {
    background-color: var(--color-background);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    text-align: left;
}

/* Page Content */
.page-content {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: var(--spacing-3xl) auto;
    max-width: 800px;
    padding: var(--spacing-2xl);
}

.page-content__title {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.page-content__body h2 {
    margin-top: var(--spacing-xl);
}

.page-content__body h3 {
    margin-top: var(--spacing-lg);
}

.page-content__body ul, 
.page-content__body ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__container {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    margin: 0 auto;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    width: 100%;
}

.footer__logo {
    filter: brightness(20);
    height: 40px;
    margin-bottom: var(--spacing-md);
    width: auto;
}

.footer__tagline {
    color: var(--color-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
}

.footer__heading {
    color: var(--color-accent);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.footer__contact,
.footer__hours {
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer__link-item {
    margin-bottom: var(--spacing-sm);
}

.footer__link {
    color: var(--color-light);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer__link:hover, .footer__link:focus {
    color: var(--color-light);
    opacity: 1;
    text-decoration: underline;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: var(--spacing-xl) auto 0;
    max-width: var(--container-max-width);
    padding: var(--spacing-lg) var(--container-padding) 0;
    text-align: center;
    width: 100%;
}

.footer__copyright {
    font-size: var(--font-size-small);
    margin-bottom: 0;
    opacity: 0.6;
}

@media (min-width: 768px) {
    .footer__container {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Back to Top Button */
.back-to-top {
    align-items: center;
    background-color: var(--color-accent);
    border-radius: 50%;
    bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    color: var(--color-light);
    display: flex;
    fill: currentColor;
    height: 50px;
    justify-content: center;
    opacity: 0;
    position: fixed;
    right: var(--spacing-xl);
    transform: translateY(20px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    visibility: hidden;
    width: 50px;
    z-index: var(--z-index-backtotop);
}

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

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

.back-to-top:hover, .back-to-top:focus {
    background-color: var(--color-button-hover);
    color: var(--color-light);
    text-decoration: none;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #121212;
        --color-light: #1E1E1E;
        --color-text: #F5F5F5;
        --color-border: #333333;
    }
    
    .header,
    .nav__menu,
    .form__input,
    .form__textarea,
    .form__select {
        background-color: #1A1A1A;
    }
    
    .team__member,
    .treatment-card,
    .testimonial,
    .pricing__category,
    .faq__item,
    .contact__form-container,
    .success,
    .page-content {
        background-color: #1A1A1A;
    }
    
    .success__details {
        background-color: #121212;
    }
}