/* 
* Plurelentha - Yoga & Meditation Website
* Author: Claude
* Description: Styling for Plurelentha landing page
*/

/* ======= CSS Variables ======= */
:root {
    /* Colors */
    --color-bg: #F5F7FA;
    --color-accent: #A8D5BA;
    --color-text: #2D6A4F;
    --color-button: #4A8B6F;
    --color-white: #FFFFFF;
    --color-light-gray: #E9ECEF;
    --color-gray: #6C757D;
    --color-dark-gray: #343A40;
    --color-black: #212529;
    --color-success: #A8D5BA;
    --color-error: #E76F51;
    
    /* Typography */
    --font-base: 'Lora', serif;
    --font-title: 'Playfair Display', serif;
    --font-size-base: 1rem;
    --font-size-small: 0.875rem;
    --font-size-large: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-xxxl: 2.5rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --line-height-base: 1.6;
    --line-height-heading: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4rem;
    --section-spacing: 5rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 2rem;
    --border-radius-circle: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container widths */
    --container-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;
}

body {
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ======= Accessibility ======= */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-button);
    color: var(--color-white);
    padding: var(--spacing-md);
    z-index: 100;
    transition: top var(--transition-fast);
}

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

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

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .back-to-top {
        transition: none !important;
    }
}

/* ======= Layout & Containers ======= */
.header__container,
.hero__container,
.benefits__container,
.testimonials__container,
.techniques__container,
.sessions__container,
.faq__container,
.philosophy__container,
.contact__container,
.footer__container,
.success__container,
.legal-page__container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--section-spacing) 0;
}

/* ======= Typography ======= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    line-height: var(--line-height-heading);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-bold);
}

.section-title {
    font-size: var(--font-size-xxl);
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: var(--border-radius-sm);
}

/* ======= Buttons ======= */
.btn {
    display: inline-block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-medium);
    text-align: center;
    border: none;
    text-decoration: none;
}

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

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-text);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn--primary:active {
    transform: translateY(0);
}

/* ======= Header ======= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.header__logo {
    flex-shrink: 0;
}

.header__logo-img {
    height: 3rem;
    width: auto;
}

.header__nav {
    display: flex;
    align-items: center;
}

.header__nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.header__nav-icon {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-medium);
}

.header__nav-icon::before,
.header__nav-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-medium);
}

.header__nav-icon::before {
    top: -8px;
}

.header__nav-icon::after {
    bottom: -8px;
}

.header__nav-toggle[aria-expanded="true"] .header__nav-icon {
    background-color: transparent;
}

.header__nav-toggle[aria-expanded="true"] .header__nav-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.header__nav-toggle[aria-expanded="true"] .header__nav-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}

.header__nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.header__nav-link {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    position: relative;
    padding: var(--spacing-sm) 0;
}

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

.header__nav-link:hover::after,
.header__nav-link:focus::after,
.header__nav-link--active::after {
    width: 100%;
}

/* ======= Hero Section ======= */
.hero {
    padding-top: calc(80px + var(--section-spacing));
    background-color: var(--color-bg);
    position: relative;
    overflow: hidden;
}

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

.hero__content {
    flex: 1;
}

.hero__title {
    font-size: var(--font-size-xxxl);
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xl);
    color: var(--color-gray);
}

.hero__image {
    flex: 1;
    position: relative;
}

.hero__img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ======= Benefits Section ======= */
.benefits {
    background-color: var(--color-white);
}

.benefits__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.benefits__item:last-child {
    margin-bottom: 0;
}

.benefits__item--zigzag {
    position: relative;
}

.benefits__item--reverse {
    flex-direction: row-reverse;
}

.benefits__content,
.benefits__image {
    flex: 1;
}

.benefits__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.benefits__img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* ======= Testimonials Section ======= */
.testimonials {
    background-color: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonials__item {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.testimonials__quote {
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.testimonials__quote::before {
    content: '"';
    font-family: var(--font-title);
    position: absolute;
    top: -30px;
    left: -10px;
    font-size: 100px;
    color: var(--color-accent);
    opacity: 0.2;
    z-index: -1;
}

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

.testimonials__name {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.testimonials__info {
    color: var(--color-gray);
    font-size: var(--font-size-small);
}

/* ======= Techniques Section ======= */
.techniques {
    background-color: var(--color-white);
}

.techniques__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.techniques__item {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.techniques__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.techniques__icon {
    font-size: 2.5rem;
    color: var(--color-button);
    margin-bottom: var(--spacing-md);
}

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

/* ======= Sessions Section ======= */
.sessions {
    background-color: var(--color-bg);
}

.sessions__grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxl);
}

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

.sessions__item--reverse {
    flex-direction: row-reverse;
}

.sessions__image,
.sessions__content {
    flex: 1;
}

.sessions__img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.sessions__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

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

.sessions__details {
    font-weight: var(--font-weight-medium);
    color: var(--color-button);
}

/* ======= FAQ Section ======= */
.faq {
    background-color: var(--color-white);
}

.faq__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-color: var(--color-bg);
}

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

.faq__question:hover,
.faq__question:focus {
    background-color: rgba(168, 213, 186, 0.1);
}

.faq__icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.faq__icon::before,
.faq__icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-button);
    transition: transform var(--transition-medium);
}

.faq__icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.faq__icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.faq__question[aria-expanded="true"] .faq__icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

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

.faq__question[aria-expanded="true"] + .faq__answer {
    max-height: none;
}

.faq__answer p {
    padding: var(--spacing-lg);
    margin-bottom: 0;
}

/* ======= Philosophy Section ======= */
.philosophy {
    background-color: var(--color-bg);
}

.philosophy__content {
    max-width: 800px;
    margin: 0 auto var(--spacing-xxl);
}

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

.philosophy__text:last-child {
    margin-bottom: 0;
}

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

.philosophy__img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ======= Contact Form Section ======= */
.contact {
    background-color: var(--color-white);
}

.contact__content {
    display: flex;
    gap: var(--spacing-xxl);
}

.contact__info,
.contact__form {
    flex: 1;
}

.contact__info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact__icon {
    font-size: 1.5rem;
    color: var(--color-button);
}

.contact__map {
    margin-top: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.contact__map iframe {
    display: block;
}

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

.contact__form-group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact__label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.contact__input,
.contact__textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--border-radius-md);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

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

.contact__input:focus,
.contact__textarea:focus {
    border-color: var(--color-button);
    outline: none;
}

.contact__checkbox {
    margin-top: 0.3rem;
}

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

.contact__error {
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    min-height: 20px;
}

.contact__submit {
    width: 100%;
}

/* ======= Footer ======= */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xxl);
}

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

.footer__logo-img {
    height: 3rem;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: var(--spacing-md);
}

.footer__slogan {
    font-style: italic;
    font-size: var(--font-size-small);
    opacity: 0.8;
}

.footer__address,
.footer__contact {
    margin-bottom: var(--spacing-lg);
}

.footer a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer a:hover,
.footer a:focus {
    opacity: 1;
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xxl);
    justify-content: space-between;
}

.footer__nav-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

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

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

.footer__copyright {
    font-size: var(--font-size-small);
    opacity: 0.7;
}

/* ======= Back to Top Button ======= */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-button);
    color: var(--color-white);
    border-radius: var(--border-radius-circle);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium), background-color var(--transition-fast);
    z-index: 99;
}

.back-to-top:hover,
.back-to-top:focus {
    background-color: var(--color-text);
    color: var(--color-white);
}

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

/* ======= Responsive Styles ======= */
@media (max-width: 991px) {
    :root {
        --section-spacing: 4rem;
        --font-size-xxxl: 2.25rem;
        --font-size-xxl: 1.75rem;
    }
    
    .hero__container,
    .benefits__item,
    .sessions__item {
        flex-direction: column;
    }
    
    .benefits__item--reverse {
        flex-direction: column;
    }
    
    .hero__content,
    .hero__image,
    .benefits__content,
    .benefits__image,
    .sessions__content,
    .sessions__image {
        width: 100%;
    }
    
    .contact__content {
        flex-direction: column;
    }
    
    .philosophy__content {
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 767px) {
    :root {
        --section-spacing: 3rem;
        --font-size-xxxl: 2rem;
        --font-size-xxl: 1.5rem;
    }
    
    .header__nav-toggle {
        display: block;
    }
    
    .header__nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        flex-direction: column;
        align-items: center;
        background-color: var(--color-bg);
        box-shadow: var(--shadow-md);
        overflow: hidden;
        transition: height var(--transition-medium);
        gap: 0;
    }
    
    .header__nav-toggle[aria-expanded="true"] + .header__nav-list {
        height: 200px;
    }
    
    .header__nav-item {
        width: 100%;
        text-align: center;
    }
    
    .header__nav-link {
        display: block;
        padding: var(--spacing-md) 0;
    }
    
    .footer__container {
        gap: var(--spacing-xl);
    }
}

@media (max-width: 575px) {
    :root {
        --section-spacing: 2.5rem;
        --font-size-xxxl: 1.75rem;
        --font-size-xxl: 1.35rem;
        --font-size-xl: 1.25rem;
        --container-padding: 1rem;
    }
    
    .testimonials__grid,
    .techniques__grid {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

.success,
.legal-page {
    padding: calc(2*var(--section-spacing)) 0 var(--section-spacing);
}

.success__container {
    text-align: center;
}

.success__icon {
    font-size: 4rem;
}

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

.legal-page__section {
    padding: 0;
    margin-bottom: var(--spacing-xxxl);
}