/**
 * Torkavellen - Ketogenic Diet Studio
 * Main CSS File
 */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --color-background: #F5F5F5;
    --color-primary: #0288D1;
    --color-secondary: #0277BD;
    --color-text: #212121;
    --color-text-light: #757575;
    --color-white: #FFFFFF;
    --color-gray-light: #EEEEEE;
    --color-gray: #BDBDBD;
    --color-gray-dark: #616161;
    --color-success: #4CAF50;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-base: 1rem;    /* 16px */
    --font-size-md: 1.125rem;  /* 18px */
    --font-size-lg: 1.25rem;   /* 20px */
    --font-size-xl: 1.5rem;    /* 24px */
    --font-size-2xl: 1.875rem; /* 30px */
    --font-size-3xl: 2.25rem;  /* 36px */
    --font-size-4xl: 3rem;     /* 48px */
    
    /* Spacing */
    --spacing-xs: 0.25rem;  /* 4px */
    --spacing-sm: 0.5rem;   /* 8px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    --spacing-2xl: 3rem;    /* 48px */
    --spacing-3xl: 4rem;    /* 64px */
    --spacing-4xl: 6rem;    /* 96px */
    
    /* Borders */
    --border-radius-sm: 0.25rem;  /* 4px */
    --border-radius-md: 0.5rem;   /* 8px */
    --border-radius-lg: 1rem;     /* 16px */
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1), 0 3px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 15px 25px rgba(0, 0, 0, 0.1), 0 5px 10px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-medium: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Container */
    --container-padding: 1rem;
    --container-max-width: 1200px;
    
    /* Z-index */
    --z-index-header: 100;
    --z-index-back-to-top: 90;
    
    /* Device breakpoints */
    --breakpoint-sm: 576px;   /* Small devices (landscape phones) */
    --breakpoint-md: 768px;   /* Medium devices (tablets) */
    --breakpoint-lg: 992px;   /* Large devices (desktops) */
    --breakpoint-xl: 1200px;  /* Extra large devices (large desktops) */
}

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-secondary);
}

ul {
    list-style: none;
}

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

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

section {
    padding: var(--spacing-2xl) 0;
}

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

/* ---------- Section Titles ---------- */
.section-title {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.section-subtitle {
    font-size: var(--font-size-md);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-lg);
    }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: var(--font-size-base);
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

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

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ---------- Header & Navigation ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-index-header);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

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

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
}

.nav__toggle-bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-medium);
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

.nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    padding-top: 100px;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-medium);
    z-index: 5;
}

.nav__list.active {
    right: 0;
}

.nav-open {
    overflow: hidden;
}

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

.nav__link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-xl);
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-primary);
}

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

/* ---------- Hero Section ---------- */
.hero {
    padding-top: calc(70px + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    background-color: var(--color-white);
}

.hero__container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.hero__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

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

.hero__image {
    width: 100%;
    height: auto;
    transition: transform var(--transition-medium);
}

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

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--font-size-3xl);
    }
}

@media (min-width: 992px) {
    .hero__container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .hero__content {
        flex: 1;
        text-align: left;
        margin-bottom: 0;
        margin-right: var(--spacing-2xl);
    }
    
    .hero__image-container {
        flex: 1;
    }
    
    .hero__title {
        font-size: var(--font-size-4xl);
    }
}

/* ---------- Plans Section ---------- */
.plans {
    background-color: var(--color-background);
    position: relative;
    overflow: hidden;
}

.plans::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(2, 136, 209, 0.05) 0%, rgba(2, 119, 189, 0.05) 100%);
    z-index: 0;
}

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

.plans__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.plan-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.plan-card--featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.plan-card--featured:hover {
    transform: translateY(-5px) scale(1.05);
}

.plan-card__header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg);
    text-align: center;
}

.plan-card--featured .plan-card__header {
    background-color: var(--color-secondary);
}

.plan-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.plan-card__price {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.plan-card__content {
    padding: var(--spacing-lg);
}

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

.plan-card__feature {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.plan-card__icon {
    color: var(--color-primary);
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-md);
}

.plan-card .btn {
    width: 100%;
}

@media (min-width: 768px) {
    .plans__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plan-card--featured {
        grid-column: span 2;
    }
}

@media (min-width: 992px) {
    .plans__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .plan-card--featured {
        grid-column: auto;
    }
}

/* ---------- Science Section ---------- */
.science {
    background-color: var(--color-white);
}

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

.science__text {
    text-align: center;
}

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

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

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

.benefit-card__icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    margin: 0 auto var(--spacing-md);
}

.benefit-card__icon {
    font-size: var(--font-size-xl);
}

.benefit-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.benefit-card__text {
    color: var(--color-text-light);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .science__text {
        text-align: left;
    }
    
    .science__infographic {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .science__content {
        flex-direction: row;
    }
    
    .science__text {
        flex: 1;
        padding-right: var(--spacing-xl);
    }
    
    .science__infographic {
        flex: 2;
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------- Recipes Section ---------- */
.recipes {
    background-color: var(--color-background);
}

.recipe-selector__filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.recipe-filter {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.recipe-filter:hover,
.recipe-filter.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

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

.recipe-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

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

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

.recipe-card__content {
    padding: var(--spacing-lg);
}

.recipe-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.recipe-card__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.recipe-card__time {
    font-weight: 600;
}

.recipe-card__toggle {
    display: block;
    width: 100%;
    padding: var(--spacing-sm);
    text-align: center;
    background-color: var(--color-gray-light);
    color: var(--color-text);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.recipe-card__toggle:hover {
    background-color: var(--color-gray);
}

.recipe-card__details {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
    margin-top: var(--spacing-md);
}

.recipe-card__details.active {
    max-height: 500px;
}

.recipe-card__details h4 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
}

.recipe-card__details ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.recipe-card__details p {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .recipe-selector__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .recipe-card__info {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 992px) {
    .recipe-selector__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .recipe-card__info {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ---------- Success Stories Section ---------- */
.success {
    background-color: var(--color-white);
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 800px;
}

.testimonial-slider__track {
    display: flex;
    transition: transform var(--transition-medium);
}

.testimonial {
    min-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
}

.testimonial__image-container {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

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

.testimonial__content {
    text-align: center;
}

.testimonial__name {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.testimonial__text {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.testimonial-slider__controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.testimonial-slider__prev,
.testimonial-slider__next {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.testimonial-slider__prev:hover,
.testimonial-slider__next:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.testimonial-slider__dots {
    display: flex;
    gap: var(--spacing-xs);
}

.testimonial-slider__dot {
    width: 10px;
    height: 10px;
    background-color: var(--color-gray);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.testimonial-slider__dot.active {
    background-color: var(--color-primary);
}

@media (min-width: 768px) {
    .testimonial {
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .testimonial__image-container {
        margin-bottom: 0;
    }
}

/* ---------- Tips Section ---------- */
.tips {
    background-color: var(--color-background);
    position: relative;
    overflow: hidden;
}

.tips::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(2, 136, 209, 0.05) 0%, rgba(2, 119, 189, 0.05) 100%);
    border-radius: 50%;
    z-index: 0;
}

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

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

.tip-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.tip-card__icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-md);
}

.tip-card__icon {
    font-size: var(--font-size-lg);
}

.tip-card__title {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
}

.tip-card__text {
    color: var(--color-text-light);
    margin-bottom: 0;
}

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

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

/* ---------- Meal Prep Section ---------- */
.meal-prep {
    background-color: var(--color-white);
}

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

.meal-prep__image-container {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.meal-prep__image {
    width: 100%;
    height: auto;
    transition: transform var(--transition-medium);
}

.meal-prep__image:hover {
    transform: scale(1.05);
}

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

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

.prep-step__number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    flex-shrink: 0;
}

.prep-step__content {
    flex: 1;
}

.prep-step__title {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.prep-step__text {
    color: var(--color-text-light);
    margin-bottom: 0;
}

@media (min-width: 992px) {
    .meal-prep__content {
        flex-direction: row;
        align-items: center;
    }
    
    .meal-prep__image-container {
        margin: 0;
        flex: 1;
    }
    
    .meal-prep__steps {
        flex: 1;
    }
}

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

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

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-md);
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-item__question:hover {
    background-color: var(--color-gray-light);
}

.faq-item__icon {
    transition: transform var(--transition-medium);
}

.faq-item.active .faq-item__icon {
    transform: rotate(180deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--spacing-md);
    transition: max-height var(--transition-medium);
}

.faq-item.active .faq-item__answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

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

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

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

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

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

.contact__info-item h3 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.contact__info-item p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.contact__form-container {
    width: 100%;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    align-self: flex-start;
}

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

@media (min-width: 992px) {
    .contact__content {
        flex-direction: row;
    }
    
    .contact__info {
        flex: 1;
        grid-template-columns: 1fr;
    }
    
    .contact__form-container {
        flex: 1;
    }
}

/* ---------- Success Message Page ---------- */
.success-message {
    padding-top: calc(140px + var(--spacing-2xl));
    padding-bottom: calc(70px + var(--spacing-2xl));
    background-color: var(--color-white);
}

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

.success-message__content {
    text-align: center;
}

.success-message__icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    margin: 0 auto var(--spacing-lg);
}

.success-message__icon {
    font-size: var(--font-size-2xl);
}

.success-message__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.success-message__text {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.success-message__subtext {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

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

.success-message__image-container {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.success-message__image {
    width: 100%;
    height: auto;
    transition: transform var(--transition-medium);
}

.success-message__image:hover {
    transform: scale(1.05);
}

@media (min-width: 768px) {
    .success-message__links {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 992px) {
    .success-message__container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .success-message__content {
        flex: 1;
        text-align: left;
    }
    
    .success-message__icon-container {
        margin: 0 0 var(--spacing-lg);
    }
    
    .success-message__links {
        justify-content: flex-start;
    }
    
    .success-message__image-container {
        flex: 1;
    }
}

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

.footer__content {
    display: grid;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    text-align: center;
}

.footer__logo-image {
    height: 40px;
    margin: 0 auto var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer__tagline {
    color: var(--color-gray);
}

.footer__links {
    display: grid;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(2, 1fr);
}

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

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

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

.footer__link:hover {
    color: var(--color-white);
}

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

.footer__copyright {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .footer__content {
        grid-template-columns: 1fr 1fr;       
        align-items: start;
    }
    
    .footer__logo {
        text-align: left;
    }
    
    .footer__logo-image {
        margin: 0 0 var(--spacing-md);
    }
}

/* ---------- Page Header (for secondary pages) ---------- */
.page-header {
    padding-top: calc(70px + var(--spacing-2xl));
    padding-bottom: var(--spacing-xl);
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.page-header__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
    font-size: var(--font-size-md);
    opacity: 0.8;
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .page-header__title {
        font-size: var(--font-size-3xl);
    }
    
    .page-header__subtitle {
        font-size: var(--font-size-lg);
    }
}

/* ---------- Content Section (for secondary pages) ---------- */
.content-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

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

.content-block:last-child {
    margin-bottom: 0;
}

.content-block__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.content-block__subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.content-block ul,
.content-block ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.content-block ul li,
.content-block ol li {
    margin-bottom: var(--spacing-sm);
}

.content-block strong {
    font-weight: 600;
    color: var(--color-text);
}

.content-block__date {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: right;
    font-style: italic;
}

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

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

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

@media (min-width: 768px) {
    .back-to-top {
        right: var(--spacing-lg);
        bottom: var(--spacing-lg);
    }
}