/* 
* Klyvernia - Natural Sugar Substitutes
* Main Stylesheet
*/

/* --------------------
* Variables
-------------------- */
:root {
    /* Colors */
    --color-background: #F9F9F9;
    --color-accent: #C3D898;
    --color-accent-light: #d9e7bc;
    --color-accent-dark: #a8bf78;
    --color-text: #587B7F;
    --color-text-light: #7a9599;
    --color-text-dark: #3c5457;
    --color-button: #A2C579;
    --color-button-hover: #8eb266;
    --color-white: #FFFFFF;
    --color-black: #333333;
    --color-gray-light: #EEEEEE;
    --color-gray: #CCCCCC;
    --color-gray-dark: #999999;
    --color-error: #D64045;

    /* Typography */
    --font-primary: 'EB Garamond', serif;
    --font-secondary: 'Mulish', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-loose: 1.8;

    /* 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;
    --spacing-4xl: 6rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 2rem;
    --border-radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --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);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.05), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Breakpoints */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    
    /* Container */
    --container-padding: var(--spacing-md);
    --container-max-width: 1140px;
}

/* --------------------
* Base Styles
-------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 500;
    line-height: var(--line-height-tight);
    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-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

ul {
    list-style-type: none;
}

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

/* --------------------
* Utility Classes
-------------------- */
.section-title {
    color: var(--color-text-dark);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    text-align: center;
}

.section-title::after {
    background-color: var(--color-accent);
    border-radius: var(--border-radius-full);
    content: '';
    display: block;
    height: 4px;
    margin: var(--spacing-sm) auto 0;
    width: 60px;
}

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

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

.visually-hidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

/* --------------------
* Button Styles
-------------------- */
.button {
    align-items: center;
    border-radius: var(--border-radius-md);
    display: inline-flex;
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    font-weight: 600;
    justify-content: center;
    min-width: 150px;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.button--primary:hover,
.button--primary:focus {
    background-color: var(--color-button-hover);
    border-color: var(--color-button-hover);
    color: var(--color-white);
    text-decoration: none;
}

.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-button);
    color: var(--color-white);
    text-decoration: none;
}

/* --------------------
* Layout Components
-------------------- */
/* Container */
.header__container,
.hero__container,
.sugar-facts__container,
.sourcing__container,
.products__container,
.recipes__container,
.nutrition__container,
.expert__container,
.contact__container,
.footer__container {
    margin: 0 auto;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    width: 100%;
}

/* Sections */
.hero,
.sugar-facts,
.sourcing,
.products,
.recipes,
.nutrition,
.expert,
.contact {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

/* --------------------
* Header
-------------------- */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.header__logo {
    align-items: center;
    display: flex;
    max-width: 180px;
}

.header__nav {
    display: flex;
    position: relative;
}

.header__nav-toggle {
    align-items: center;
    background-color: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    font-size: var(--font-size-lg);
    justify-content: center;
    padding: var(--spacing-sm);
    z-index: 101;
}

.header__menu {
    align-items: center;
    display: none;
    list-style: none;
}

.header__menu-item {
    margin-left: var(--spacing-lg);
}

.header__menu-link {
    color: var(--color-text);
    font-size: var(--font-size-md);
    font-weight: 500;
    padding: var(--spacing-sm);
    position: relative;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.header__menu-link:hover,
.header__menu-link:focus {
    color: var(--color-text-dark);
}

.header__menu-link::after {
    background-color: var(--color-accent);
    bottom: 0;
    content: '';
    height: 2px;
    left: 50%;
    opacity: 0;
    position: absolute;
    transform: translateX(-50%) scaleX(0);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    width: 100%;
}

.header__menu-link:hover::after,
.header__menu-link:focus::after {
    opacity: 1;
    transform: translateX(-50%) scaleX(0.8);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .header__menu.active {
        align-items: flex-start;
        background-color: var(--color-white);
        display: flex;
        flex-direction: column;
        height: 100vh;
        justify-content: center;
        left: 0;
        padding: var(--spacing-3xl);
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 100;
    }

    .header__menu-item {
        margin: var(--spacing-md) 0;
    }

    .header__menu-link {
        font-size: var(--font-size-xl);
    }
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .header__nav-toggle {
        display: none;
    }

    .header__menu {
        display: flex;
    }
}

/* --------------------
* Hero Section
-------------------- */
.hero {
    background-color: var(--color-white);
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.hero__container {
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero__content {
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    text-align: center;
    width: 100%;
}

.hero__title {
    color: var(--color-text-dark);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.hero__tagline {
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

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

.hero__image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    height: auto;
    max-width: 500px;
    overflow: hidden;
    width: 100%;
}

.hero__img {
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    width: 100%;
}

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

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

    .hero__content {
        margin-bottom: 0;
        margin-right: var(--spacing-2xl);
        text-align: left;
    }
}

/* --------------------
* Sugar Facts Section
-------------------- */
.sugar-facts {
    background-color: var(--color-background);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.sugar-facts::before {
    background-color: var(--color-accent-light);
    border-radius: 50%;
    content: '';
    height: 300px;
    left: -150px;
    opacity: 0.3;
    position: absolute;
    top: -100px;
    width: 300px;
    z-index: 0;
}

.sugar-facts__grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    position: relative;
    z-index: 1;
}

.sugar-facts__item {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform var(--transition-normal);
}

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

.sugar-facts__icon {
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-full);
    color: var(--color-text-dark);
    display: inline-flex;
    font-size: var(--font-size-2xl);
    height: 60px;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    width: 60px;
}

.sugar-facts__title {
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.sugar-facts__text {
    color: var(--color-text);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

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

/* --------------------
* Sourcing Section
-------------------- */
.sourcing {
    background-color: var(--color-white);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.sourcing__container {
    display: grid;
    gap: var(--spacing-2xl);
}

.sourcing__image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    height: 100%;
    overflow: hidden;
    position: relative;
    width: 100%;
    max-width: 500px;
}

.sourcing__img {
    display: block;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    width: 100%;
}

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

.sourcing__content {
    max-width: 600px;
    width: 100%;
}

.sourcing__text {
    color: var(--color-text);
    font-size: var(--font-size-md);
    line-height: var(--line-height-loose);
    margin-bottom: var(--spacing-md);
}

.sourcing__features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.sourcing__feature {
    align-items: center;
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-md);
    display: flex;
    margin-right: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
}

.sourcing__icon {
    color: var(--color-text-dark);
    font-size: var(--font-size-md);
    margin-right: var(--spacing-xs);
}

.sourcing__feature-text {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

@media (min-width: 992px) {
    .sourcing__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --------------------
* Products Section
-------------------- */
.products {
    background-color: var(--color-background);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.products::after {
    background-color: var(--color-accent-light);
    border-radius: 50%;
    content: '';
    height: 400px;
    opacity: 0.3;
    position: absolute;
    right: -200px;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    z-index: 0;
}

.products__grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    position: relative;
    z-index: 1;
}

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

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

.product-card__image {
    height: 200px;
    overflow: hidden;
    width: 100%;
}

.product-card__img {
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    width: 100%;
}

.product-card:hover .product-card__img {
    transform: scale(1.05);
}

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

.product-card__title {
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.product-card__description {
    color: var(--color-text);
    flex-grow: 1;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-md);
}

.product-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.product-card__feature {
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

@media (min-width: 992px) {
    .products__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* --------------------
* Recipes Section
-------------------- */
.recipes {
    background-color: var(--color-white);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.recipes__intro {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    margin: 0 auto var(--spacing-xl);
    max-width: 700px;
    text-align: center;
}

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

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

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

.recipe-card__image {
    height: 200px;
    overflow: hidden;
    width: 100%;
}

.recipe-card__img {
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    width: 100%;
}

.recipe-card:hover .recipe-card__img {
    transform: scale(1.05);
}

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

.recipe-card__title {
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.recipe-card__description {
    color: var(--color-text);
    flex-grow: 1;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-md);
}

.recipe-card__meta {
    align-items: center;
    display: flex;
    gap: var(--spacing-md);
}

.recipe-card__time {
    align-items: center;
    color: var(--color-text);
    display: flex;
    font-size: var(--font-size-sm);
}

.recipe-card__time .material-icons {
    font-size: var(--font-size-md);
    margin-right: var(--spacing-xs);
}

.recipe-card__difficulty {
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

/* --------------------
* Nutrition Table Section
-------------------- */
.nutrition {
    background-color: var(--color-background);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.nutrition__intro {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    margin: 0 auto var(--spacing-xl);
    max-width: 700px;
    text-align: center;
}

.nutrition__table-wrapper {
    margin: 0 auto;
    max-width: 100%;
    overflow-x: auto;
}

.nutrition__table {
    border-collapse: collapse;
    margin: 0 auto;
    width: 100%;
}

.nutrition__caption {
    caption-side: top;
    color: var(--color-text);
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.nutrition__table th,
.nutrition__table td {
    border-bottom: 1px solid var(--color-gray-light);
    padding: var(--spacing-md);
    text-align: left;
}

.nutrition__table thead th {
    background-color: var(--color-accent-light);
    border-bottom: 2px solid var(--color-accent);
    color: var(--color-text-dark);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.nutrition__table tbody tr:nth-child(even) {
    background-color: rgba(195, 216, 152, 0.1);
}

.nutrition__table tbody tr:hover {
    background-color: rgba(195, 216, 152, 0.2);
}

.nutrition__table tbody th {
    font-weight: 600;
}

/* --------------------
* Expert Opinion Section
-------------------- */
.expert {
    background-color: var(--color-white);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.expert__content {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.expert__image {
    border-radius: var(--border-radius-full);
    box-shadow: var(--shadow-lg);
    height: 200px;
    overflow: hidden;
    width: 200px;
}

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

.expert__quote {
    max-width: 800px;
}

.expert__blockquote {
    border-left: 4px solid var(--color-accent);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-style: italic;
    line-height: var(--line-height-loose);
    padding: var(--spacing-lg) 0 var(--spacing-lg) var(--spacing-xl);
    position: relative;
}

.expert__blockquote::before {
    color: var(--color-accent);
    content: '"';
    font-family: var(--font-primary);
    font-size: 5rem;
    left: var(--spacing-xs);
    line-height: 1;
    opacity: 0.3;
    position: absolute;
    top: 0;
}

.expert__citation {
    display: block;
    font-size: var(--font-size-base);
    font-style: normal;
    margin-top: var(--spacing-md);
}

.expert__citation strong {
    color: var(--color-text-dark);
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.expert__citation span {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

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

    .expert__image {
        flex-shrink: 0;
    }
}

/* --------------------
* Contact Form Section
-------------------- */
.contact {
    background-color: var(--color-background);
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.contact::before {
    background-color: var(--color-accent-light);
    border-radius: 50%;
    content: '';
    height: 300px;
    left: -150px;
    opacity: 0.3;
    position: absolute;
    top: 100px;
    width: 300px;
    z-index: 0;
}

.contact__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.contact__info {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    width: 100%;
}

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

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

.contact__icon {
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-full);
    color: var(--color-text-dark);
    display: flex;
    font-size: var(--font-size-lg);
    height: 40px;
    justify-content: center;
    padding: var(--spacing-sm);
    width: 40px;
}

.contact__address {
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-style: normal;
    line-height: var(--line-height-normal);
}

.contact__link {
    color: var(--color-text);
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
}

.contact__link:hover,
.contact__link:focus {
    color: var(--color-text-dark);
}

.contact__form-container {
    width: 100%;
}

.contact__form {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    width: 100%;
}

.form__group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
    position: relative;
    width: 100%;
}

.form__label {
    color: var(--color-text-dark);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.form__input {
    background-color: var(--color-background);
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-dark);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    padding: var(--spacing-md);
    transition: border-color var(--transition-fast);
    width: 100%;
}

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

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

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

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

.form__submit {
    margin-top: var(--spacing-md);
}

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

    .contact__info {
        flex: 1;
    }

    .contact__form-container {
        flex: 2;
    }
}

/* --------------------
* Footer
-------------------- */
.footer {
    background-color: var(--color-text-dark);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__top {
    display: grid;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer__logo {
    display: flex;
    flex-direction: column;
    max-width: 180px;
}

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

.footer__tagline {
    color: var(--color-gray);
    font-family: var(--font-primary);
    font-style: italic;
}

.footer__nav {
    display: grid;
    gap: var(--spacing-2xl);
    grid-template-columns: 1fr;
}

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

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

.footer__menu-link {
    color: var(--color-gray);
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
}

.footer__menu-link:hover,
.footer__menu-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-xl);
    text-align: center;
}

.footer__copyright {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .footer__top {
        grid-template-columns: 2fr 3fr;
    }

    .footer__nav {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

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

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

.back-to-top .material-icons {
    font-size: var(--font-size-xl);
}

@media (prefers-reduced-motion: reduce) {
    .hero__img,
    .sourcing__img,
    .product-card__img,
    .recipe-card__img,
    .header__menu-link::after,
    .sugar-facts__item,
    .product-card,
    .recipe-card {
        transition: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #1E1E1E;
        --color-accent: #A2C579;
        --color-accent-light: #84a461;
        --color-accent-dark: #6d8b4a;
        --color-text: #A0B9BD;
        --color-text-light: #C4D7DA;
        --color-text-dark: #7A9499;
        --color-button: #84a461;
        --color-button-hover: #6d8b4a;
        --color-white: #F9F9F9;
        --color-black: #121212;
        --color-gray-light: #2A2A2A;
        --color-gray: #666666;
        --color-gray-dark: #999999;
    }

    .header,
    .hero,
    .expert,
    .recipes {
        background-color: var(--color-black);
    }

    .sugar-facts__item,
    .product-card,
    .contact__info,
    .contact__form {
        background-color: var(--color-gray-light);
    }

    .recipe-card {
        background-color: var(--color-black);
    }

    .form__input {
        background-color: var(--color-black);
    }

    .footer__logo-img {
        filter: brightness(0) invert(1);
    }
}

.legal {
    background-color: var(--color-background);
    padding: var(--spacing-4xl) 0;
}

.legal__container {
    margin: 0 auto;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    width: 100%;
}

.legal__title {
    color: var(--color-text-dark);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.legal__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: 0 auto;
    max-width: 800px;
    padding: var(--spacing-2xl);
}

.legal__heading {
    color: var(--color-text-dark);
    font-size: var(--font-size-xl);
    margin: var(--spacing-2xl) 0 var(--spacing-md);
}

.legal__heading:first-of-type {
    margin-top: 0;
}

.legal__subheading {
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

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

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

.legal__updated {
    border-top: 1px solid var(--color-gray-light);
    color: var(--color-text);
    font-style: italic;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-md);
}

@media (prefers-color-scheme: dark) {
    .legal__content {
        background-color: var(--color-gray-light);
    }
}

.success {
    background-color: var(--color-background);
    min-height: 60vh;
    padding: var(--spacing-4xl) 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success__container {
    margin: 0 auto;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    width: 100%;
}

.success__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

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

.success__icon .material-icons {
    color: var(--color-accent);
    font-size: 4rem;
}

.success__title {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

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

.success__actions {
    margin-top: var(--spacing-md);
}

@media (prefers-color-scheme: dark) {
    .success__content {
        background-color: var(--color-gray-light);
    }
}