/**
 * Lunextarion - Main Stylesheet
 * Author: Claude 3.7 Sonnet
 * Description: Styles for Lunextarion stretching website
 */

/* ----------------- */
/* CSS VARIABLES     */
/* ----------------- */
:root {
    /* Colors */
    --color-background: #E8F5E9;
    --color-accent: #81C784;
    --color-accent-secondary: #A5D6A7;
    --color-text: #2E2E2E;
    --color-button: #66BB6A;
    --color-white: #FFFFFF;
    --color-light-grey: #F5F5F5;
    --color-medium-grey: #E0E0E0;
    --color-dark-grey: #757575;
    --color-error: #F44336;
    --color-success: #4CAF50;
    
    /* Typography */
    --font-body: 'Merriweather', serif;
    --font-heading: 'Amatic SC', cursive;
    --font-size-base: 16px;
    --font-size-small: 0.875rem;
    --font-size-medium: 1rem;
    --font-size-large: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-xxxl: 3rem;
    --font-size-huge: 4rem;
    --line-height-normal: 1.6;
    --line-height-heading: 1.2;
    
    /* Spacing */
    --spacing-xxs: 0.25rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    --spacing-section: 6rem;
    
    /* Borders */
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;
    --border-radius-xl: 24px;
    --border-radius-circle: 50%;
    
    /* Shadows */
    --shadow-small: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-large: 0 10px 30px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container widths */
    --container-width-narrow: 800px;
    --container-width-normal: 1100px;
    --container-width-wide: 1400px;
    
    /* Z-indexes */
    --z-index-background: -1;
    --z-index-base: 1;
    --z-index-header: 100;
    --z-index-modal: 1000;
    
    /* Device breakpoints */
    --breakpoint-xs: 480px;
    --breakpoint-sm: 768px;
    --breakpoint-md: 992px;
    --breakpoint-lg: 1200px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

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

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

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

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

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* Utility classes */
.no-scroll {
    overflow: hidden;
}

/* ----------------- */
/* ACCESSIBILITY     */
/* ----------------- */
.skip-link {
    background-color: var(--color-button);
    color: var(--color-white);
    font-weight: bold;
    left: 50%;
    padding: var(--spacing-sm);
    position: absolute;
    top: -100px;
    transform: translateX(-50%);
    transition: top var(--transition-medium);
    z-index: var(--z-index-modal);
}

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

/* Focus styles */
:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

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

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* ----------------- */
/* LAYOUT CONTAINERS */
/* ----------------- */
.header__container,
.footer__container,
.hero__container,
.about__container,
.benefits__container,
.gallery__container,
.testimonials__container,
.how-it-works__container,
.quote__container,
.contact__container,
.success__container,
.legal__container {
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    width: 100%;
}

@media (min-width: 768px) {
    .header__container,
    .footer__container,
    .hero__container,
    .about__container,
    .benefits__container,
    .gallery__container,
    .testimonials__container,
    .how-it-works__container,
    .quote__container,
    .contact__container,
    .success__container,
    .legal__container {
        max-width: var(--container-width-normal);
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }
}

/* ----------------- */
/* BUTTONS           */
/* ----------------- */
.button {
    align-items: center;
    border-radius: var(--border-radius-medium);
    display: inline-flex;
    font-family: var(--font-body);
    font-size: var(--font-size-medium);
    font-weight: bold;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-medium);
}

.button--primary {
    background-color: var(--color-button);
    box-shadow: var(--shadow-small);
    color: var(--color-white);
}

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

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

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

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

/* ----------------- */
/* HEADER            */
/* ----------------- */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-small);
    left: 0;
    padding: var(--spacing-sm) 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: var(--z-index-header);
}

.header__container {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.header__logo {
    height: auto;
    max-height: 2.5rem;
    width: auto;
}

.header__menu-button {
    background: none;
    border: none;
    color: var(--color-text);
    display: block;
    font-size: var(--font-size-xl);
    padding: var(--spacing-xs);
    z-index: var(--z-index-modal);
}

@media (min-width: 992px) {
    .header__menu-button {
        display: none;
    }
}

.header__nav {
    background-color: var(--color-white);
    height: 100vh;
    left: 0;
    opacity: 0;
    padding: var(--spacing-xl) var(--spacing-md);
    position: fixed;
    top: 0;
    transform: translateX(-100%);
    transition: all var(--transition-medium);
    width: 100%;
    z-index: var(--z-index-modal) - 1;
}

.header__nav--active {
    opacity: 1;
    transform: translateX(0);
}

@media (min-width: 992px) {
    .header__nav {
        background-color: transparent;
        height: auto;
        opacity: 1;
        padding: 0;
        position: static;
        transform: none;
        width: auto;
    }
}

.header__nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

@media (min-width: 992px) {
    .header__nav-list {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
}

.header__nav-link {
    color: var(--color-text);
    display: block;
    font-size: var(--font-size-medium);
    font-weight: 700;
    padding: var(--spacing-xs) 0;
    position: relative;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.header__nav-link::after {
    background-color: var(--color-accent);
    bottom: 0;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
    width: 100%;
}

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

.header__nav-link:hover::after,
.header__nav-link:focus::after {
    transform: scaleX(1);
}

.header__nav-link--accent {
    color: var(--color-button);
}

.header__nav-link--accent:hover,
.header__nav-link--accent:focus {
    color: var(--color-accent);
}

/* ----------------- */
/* HERO SECTION      */
/* ----------------- */
.hero {
    align-items: center;
    background: linear-gradient(120deg, var(--color-accent-secondary) 0%, var(--color-background) 100%);
    display: flex;
    flex-direction: column;
    padding-top: 5rem;
    position: relative;
}

.hero__container {
    display: flex;
    flex-direction: column;
    padding-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    z-index: var(--z-index-base);
}

@media (min-width: 992px) {
    .hero__container {
        flex-direction: row;
        gap: var(--spacing-xl);
        padding-bottom: calc(2*var(--spacing-xl));
        padding-top: calc(2*var(--spacing-xl));
    }
}

.hero__content {
    flex: 1;
    max-width: 600px;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

@media (min-width: 992px) {
    .hero__content {
        padding: var(--spacing-xl) 0;
        text-align: left;
    }
}

.hero__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    line-height: var(--line-height-heading);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--font-size-xxxl);
    }
}

@media (min-width: 992px) {
    .hero__title {
        font-size: var(--font-size-huge);
    }
}

.hero__slogan {
    color: var(--color-text);
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .hero__buttons {
        flex-direction: row;
    }
}

@media (min-width: 992px) {
    .hero__buttons {
        justify-content: flex-start;
    }
}

.hero__image-container {
    align-items: center;
    display: flex;
    flex: 1;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.hero__image {
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
    max-height: 500px;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.hero__image:hover {
    transform: scale(1.02);
}

.hero__wave {
    bottom: -1px;
    left: 0;
    position: absolute;
    right: 0;
    width: 100%;
    z-index: var(--z-index-background);
}

/* ----------------- */
/* ABOUT SECTION     */
/* ----------------- */
.about {
    padding: var(--spacing-section) 0;
}

.about__container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

@media (min-width: 992px) {
    .about__container {
        flex-direction: row;
        gap: var(--spacing-xxl);
    }
}

.about__content {
    flex: 1;
}

.about__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-lg);
}

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

.about__image-wrapper {
    border-radius: var(--border-radius-large);
    flex: 1;
    overflow: hidden;
    position: relative;
}

.about__image {
    border-radius: var(--border-radius-large);
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    width: 100%;
}

.about__image:hover {
    transform: scale(1.05);
}

/* ----------------- */
/* BENEFITS SECTION  */
/* ----------------- */
.benefits {
    background-color: var(--color-white);
    padding: var(--spacing-section) 0;
}

.benefits__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.benefits__item {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 992px) {
    .benefits__item {
        flex-direction: row;
    }
    
    .benefits__item--reverse {
        flex-direction: row-reverse;
    }
}

.benefits__content {
    flex: 1;
}

.benefits__item-title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.benefits__description {
    max-width: 600px;
}

.benefits__image-wrapper {
    border-radius: var(--border-radius-large);
    flex: 1;
    overflow: hidden;
}

.benefits__image {
    border-radius: var(--border-radius-large);
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
    width: 100%;
}

.benefits__image:hover {
    transform: scale(1.05);
}

/* ----------------- */
/* GALLERY SECTION   */
/* ----------------- */
.gallery {
    padding: var(--spacing-section) 0;
}

.gallery__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.gallery__grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

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

.gallery__item {
    border-radius: var(--border-radius-large);
    cursor: pointer;
    overflow: hidden;
    position: relative;
}

.gallery__item--large {
    grid-column: 1 / -1;
}

.gallery__image {
    border-radius: var(--border-radius-large);
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
    width: 100%;
}

.gallery__overlay {
    align-items: center;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    border-radius: var(--border-radius-large);
    bottom: 0;
    display: flex;
    justify-content: center;
    left: 0;
    opacity: 0;
    padding: var(--spacing-md);
    position: absolute;
    right: 0;
    top: 0;
    transition: opacity var(--transition-medium);
}

.gallery__caption {
    color: var(--color-white);
    font-size: var(--font-size-large);
    font-weight: bold;
    margin-top: auto;
    padding-bottom: var(--spacing-md);
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.gallery__item:hover .gallery__image,
.gallery__item:focus .gallery__image,
.gallery__item--active .gallery__image {
    transform: scale(1.05);
}

.gallery__item:hover .gallery__overlay,
.gallery__item:focus .gallery__overlay,
.gallery__item--active .gallery__overlay {
    opacity: 1;
}

/* ----------------- */
/* TESTIMONIALS      */
/* ----------------- */
.testimonials {
    background-color: var(--color-white);
    padding: var(--spacing-section) 0;
}

.testimonials__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.testimonials__grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

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

.testimonial {
    background-color: var(--color-background);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    height: 100%;
    overflow: hidden;
    padding: var(--spacing-lg);
    transition: transform var(--transition-medium);
}

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

.testimonial__content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.testimonial__text {
    flex-grow: 1;
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

.testimonial__author {
    align-items: center;
    display: flex;
    gap: var(--spacing-sm);
}

.testimonial__avatar {
    border-radius: var(--border-radius-circle);
    height: 60px;
    object-fit: cover;
    width: 60px;
}

.testimonial__info {
    display: flex;
    flex-direction: column;
}

.testimonial__name {
    font-weight: bold;
}

.testimonial__role {
    color: var(--color-dark-grey);
    font-size: var(--font-size-small);
}

/* ----------------- */
/* HOW IT WORKS      */
/* ----------------- */
.how-it-works {
    padding: var(--spacing-section) 0;
}

.how-it-works__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

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

.step {
    align-items: flex-start;
    display: flex;
    gap: var(--spacing-md);
}

.step__number {
    align-items: center;
    background-color: var(--color-accent);
    border-radius: var(--border-radius-circle);
    color: var(--color-white);
    display: flex;
    flex-shrink: 0;
    font-size: var(--font-size-xl);
    font-weight: bold;
    height: 50px;
    justify-content: center;
    margin-top: var(--spacing-xs);
    width: 50px;
}

.step__content {
    flex: 1;
}

.step__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.step__description {
    color: var(--color-text);
}

/* ----------------- */
/* QUOTE SECTION     */
/* ----------------- */
.quote {
    background-color: var(--color-accent);
    padding: var(--spacing-xl) 0;
}

.quote__content {
    margin: 0;
    padding: var(--spacing-lg);
    text-align: center;
}

.quote__text {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    position: relative;
}

@media (min-width: 768px) {
    .quote__text {
        font-size: var(--font-size-xxl);
    }
}

.quote__text::before,
.quote__text::after {
    color: rgba(255, 255, 255, 0.3);
    font-size: 3em;
    line-height: 0.1;
    position: absolute;
}

.quote__text::before {
    content: open-quote;
    left: -0.5em;
    top: 0.2em;
}

.quote__text::after {
    content: close-quote;
    margin-left: 0.1em;
    position: relative;
    top: 0.5em;
}

.quote__author {
    color: var(--color-white);
    display: block;
    font-size: var(--font-size-medium);
    font-style: normal;
    margin-top: var(--spacing-md);
}

/* ----------------- */
/* CONTACT SECTION   */
/* ----------------- */
.contact {
    background-color: var(--color-white);
    padding: var(--spacing-section) 0;
}

.contact__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.contact__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

@media (min-width: 992px) {
    .contact__content {
        flex-direction: row;
    }
}

.contact__info {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--spacing-lg);
    justify-content: center;
}

.contact__item {
    align-items: center;
    display: flex;
    gap: var(--spacing-sm);
}

.contact__icon {
    color: var(--color-accent);
    font-size: var(--font-size-xl);
}

.contact__form {
    background-color: var(--color-background);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-small);
    flex: 1;
    padding: var(--spacing-lg);
}

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

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

.form__input {
    background-color: var(--color-white);
    border: 1px solid var(--color-medium-grey);
    border-radius: var(--border-radius-small);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--font-size-medium);
    padding: var(--spacing-sm);
    transition: border-color var(--transition-fast);
    width: 100%;
}

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

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__input--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);
}

/* ----------------- */
/* SUCCESS PAGE      */
/* ----------------- */
.success {
    align-items: center;
    display: flex;
    min-height: 80vh;
    padding: calc(2*var(--spacing-xxl)) 0 var(--spacing-xxl);
}

.success__container {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    justify-content: center;
    text-align: center;
}

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

.success__check {
    color: var(--color-success);
    font-size: 5rem !important;
}

.success__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-md);
}

.success__message {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

/* ----------------- */
/* LEGAL PAGES       */
/* ----------------- */
.legal {
    padding: calc(1.5*var(--spacing-section)) 0 var(--spacing-section);
}

.legal__container {
    max-width: var(--container-width-narrow);
}

.legal__title {
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.legal__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-small);
    padding: var(--spacing-xl);
}

.legal__heading {
    color: var(--color-text);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.legal__subheading {
    color: var(--color-text);
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.legal__list {
    list-style-type: disc;
    margin-bottom: var(--spacing-md);
    margin-left: var(--spacing-lg);
}

.legal__list li {
    margin-bottom: var(--spacing-xs);
}

.legal__contact {
    background-color: var(--color-background);
    border-left: 4px solid var(--color-accent);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
}

/* ----------------- */
/* FOOTER            */
/* ----------------- */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    position: relative;
}

.footer__top {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer__top {
        flex-direction: row;
        gap: var(--spacing-xxl);
    }
}

.footer__logo-container {
    flex: 1;
}

.footer__logo {
    filter: brightness(0) invert(1);
    height: auto;
    margin-bottom: var(--spacing-md);
    max-width: 200px;
}

.footer__slogan {
    color: var(--color-medium-grey);
    font-size: var(--font-size-medium);
    margin-bottom: var(--spacing-lg);
}

.footer__links {
    display: flex;
    flex: 2;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: space-between;
}

.footer__column {
    flex: 1;
    min-width: 150px;
}

.footer__heading {
    color: var(--color-white);
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    color: var(--color-medium-grey);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer__copyright {
    color: var(--color-medium-grey);
    font-size: var(--font-size-small);
}

.back-to-top {
    align-items: center;
    background-color: var(--color-accent);
    border-radius: var(--border-radius-circle);
    bottom: var(--spacing-lg);
    box-shadow: var(--shadow-medium);
    color: var(--color-white);
    display: flex;
    height: 50px;
    justify-content: center;
    opacity: 0;
    position: fixed;
    right: var(--spacing-lg);
    transition: all var(--transition-medium);
    visibility: hidden;
    width: 50px;
    z-index: var(--z-index-header);
}

.back-to-top--visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover,
.back-to-top:focus {
    background-color: var(--color-button);
    transform: translateY(-5px);
}

/* ----------------- */
/* ANIMATIONS        */
/* ----------------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Benefits animation variants */
.benefits__item {
    transform: translateX(-50px);
}

.benefits__item--reverse {
    transform: translateX(50px);
}

.benefits__item.animated,
.benefits__item--reverse.animated {
    transform: translateX(0);
}

/* Step animations */
.step {
    transform: translateY(20px);
    transition-delay: calc(var(--index, 0) * 0.1s);
}

.step:nth-child(1) {
    --index: 1;
}

.step:nth-child(2) {
    --index: 2;
}

.step:nth-child(3) {
    --index: 3;
}

.step:nth-child(4) {
    --index: 4;
}

/* ----------------- */
/* MEDIA QUERIES     */
/* ----------------- */

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .animated {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .hero__image:hover,
    .about__image:hover,
    .benefits__image:hover,
    .gallery__image:hover,
    .gallery__item:hover .gallery__image,
    .gallery__item:focus .gallery__image,
    .gallery__item--active .gallery__image {
        transform: none;
    }
    
    .testimonial:hover,
    .button:hover,
    .button:focus,
    .back-to-top:hover,
    .back-to-top:focus {
        transform: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #1C2321;
        --color-accent: #4CAF50;
        --color-accent-secondary: #388E3C;
        --color-text: #E0E0E0;
        --color-button: #43A047;
        --color-white: #2E2E2E;
        --color-light-grey: #424242;
        --color-medium-grey: #616161;
        --color-dark-grey: #9E9E9E;
    }
    
    .header,
    .footer,
    .benefits,
    .testimonials,
    .contact,
    .legal__content {
        background-color: #181818;
    }
    
    .testimonial,
    .contact__form {
        background-color: #212121;
    }
    
    .hero {
        background: linear-gradient(120deg, #2C3531 0%, #1C2321 100%);
    }
    
    .form__input {
        background-color: #333333;
        border-color: #424242;
        color: var(--color-text);
    }
    
    .header__logo,
    .footer__logo {
        filter: brightness(0) invert(0.9);
    }
    
    .success__check {
        color: var(--color-accent);
    }
}

/* Tablet and mobile specific adjustments */
@media (max-width: 991px) {
    :root {
        --font-size-xxxl: 2.5rem;
        --font-size-huge: 3rem;
        --spacing-section: 4rem;
    }
    
    .hero {
        min-height: auto;
    }
    
    .hero__image-container {
        margin-top: 0;
    }
    
    .testimonial__text {
        font-size: var(--font-size-medium);
    }
}

@media (max-width: 767px) {
    :root {
        --font-size-xxl: 1.75rem;
        --font-size-xl: 1.25rem;
        --spacing-section: 3rem;
    }
    
    .hero__title {
        font-size: var(--font-size-xxl);
    }
    
    .hero__slogan {
        font-size: var(--font-size-medium);
    }
    
    .quote__text {
        font-size: var(--font-size-large);
    }
}