/**
 * Quarexsol - Tax Accounting Optimization
 * Main stylesheet
 */

/* ================ Variables ================ */
:root {
    /* Colors */
    --color-background: #FAFAFA;
    --color-accent: #293241;
    --color-secondary-accent: #EE6C4D;
    --color-text: #1C1C1C;
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-light-gray: #F2F2F2;
    --color-medium-gray: #DDDDDD;
    --color-dark-gray: #999999;
    
    /* Typography */
    --font-primary: 'Open Sans', sans-serif;
    --font-secondary: 'Merriweather', 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: 2rem;     /* 32px */
    --font-size-3xl: 2.5rem;   /* 40px */
    --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 */
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Containers */
    --container-max-width: 1200px;
    --container-padding: var(--spacing-lg);
    
    /* Breakpoints */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
}

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

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

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

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

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

a:hover {
    color: #d15538;
}

ul, ol {
    list-style: none;
}

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

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

/* ================ Utility Classes ================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ================ Layout ================ */
.header__container,
.hero__container,
.features__container,
.process__container,
.calculator__container,
.results__container,
.clients__container,
.subscribe__container,
.contact__container,
.footer__container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--spacing-3xl) 0;
}

/* ================ Header ================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: transparent;
    transition: background-color var(--transition-normal);
}

.header--scrolled {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.header__logo {
    display: block;
    width: 180px;
}

.header__logo img {
    height: auto;
}

.header__menu-toggle {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 102;
}

.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    position: absolute;
    transition: var(--transition-normal);
}

.header__menu-icon {
    top: 50%;
    transform: translateY(-50%);
}

.header__menu-icon::before,
.header__menu-icon::after {
    content: '';
}

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

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

.header__menu-toggle--active .header__menu-icon {
    background-color: transparent;
}

.header__menu-toggle--active .header__menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.header__menu-toggle--active .header__menu-icon::after {
    bottom: 0;
    transform: rotate(-45deg);
}

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

.header__nav-link {
    color: var(--color-accent);
    font-weight: 600;
    transition: color var(--transition-fast);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary-accent);
    transition: width var(--transition-fast);
}

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

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

/* ================ Hero Section ================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/img07.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.2;
    z-index: -1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 650px;
    margin-top: 80px;
}

.hero__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

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

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
}

/* ================ Buttons ================ */
.button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-secondary-accent);
    color: var(--color-white);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    text-align: center;
}

.button:hover {
    background-color: #d15538;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.button--secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ================ Section Headers ================ */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-header--light {
    color: var(--color-white);
}

.section-header__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.section-header--light .section-header__title {
    color: var(--color-white);
}

.section-header__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

.section-header--light .section-header__subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* ================ Features Section ================ */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    overflow: hidden;
}

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

.feature-card__icon {
    width: 60px;
    height: 60px;
    background-color: rgba(238, 108, 77, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-card__icon i {
    font-size: var(--font-size-xl);
    color: var(--color-secondary-accent);
}

.feature-card__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.feature-card__description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.feature-card__toggle-btn {
    display: inline-block;
    color: var(--color-secondary-accent);
    font-weight: 600;
    cursor: pointer;
    position: relative;
}

.feature-card__toggle-btn::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--color-secondary-accent);
    border-bottom: 2px solid var(--color-secondary-accent);
    transform: rotate(45deg);
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.feature-card--active .feature-card__toggle-btn::after {
    transform: rotate(-135deg);
}

.feature-card__toggle-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

/* ================ Process Section ================ */
.process {
    background-color: var(--color-light-gray);
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 10% 20%, rgba(238, 108, 77, 0.05) 0%, transparent 80%);
    z-index: 1;
}

.process__container {
    position: relative;
    z-index: 2;
}

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

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.process-step:hover {
    transform: translateX(10px);
}

.process-step__number {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-secondary-accent);
    opacity: 0.7;
    line-height: 1;
    min-width: 60px;
}

.process-step__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

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

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

.calculator__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

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

.calculator__label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.calculator__input,
.calculator__select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--border-radius-md);
    background-color: var(--color-light-gray);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.calculator__input:focus,
.calculator__select:focus {
    outline: none;
    border-color: var(--color-secondary-accent);
    box-shadow: 0 0 0 3px rgba(238, 108, 77, 0.2);
}

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

.calculator__results {
    background-color: var(--color-accent);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    color: var(--color-white);
    transform: translateY(0);
    opacity: 1;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.calculator__results--active {
    animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.calculator__result-card {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.calculator__result-title {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.calculator__result-value {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.calculator__disclaimer {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

/* ================ Results Section ================ */
.results {
    background-color: var(--color-light-gray);
}

.results__counters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.counter {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.counter__value {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-secondary-accent);
    margin-bottom: var(--spacing-sm);
}

.counter__label {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
}

.comparison {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.comparison__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-accent);
}

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

.comparison__chart-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

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

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

.comparison__chart-bar {
    height: 40px;
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
}

.comparison__chart-bar--traditional {
    background-color: var(--color-accent);
    width: 100%;
}

.comparison__chart-bar--optimized {
    background-color: var(--color-secondary-accent);
    width: 68%;
}

.comparison__chart-value {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    font-weight: 600;
}

.comparison__chart-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    justify-content: center;
}

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

.comparison__chart-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.comparison__chart-dot--tax {
    background-color: #EE6C4D;
}

.comparison__chart-dot--admin {
    background-color: #3D5A80;
}

.comparison__chart-dot--compliance {
    background-color: #98C1D9;
}

.comparison__chart-category-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

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

.clients__slider {
    position: relative;
    overflow: hidden;
    padding: 0 var(--spacing-xl);
}

.clients__track {
    display: flex;
    transition: transform var(--transition-normal);
}

.clients__slide {
    flex: 0 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.clients__logo {
    max-width: 80%;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter var(--transition-normal), opacity var(--transition-normal);
}

.clients__slide:hover .clients__logo {
    filter: grayscale(0);
    opacity: 1;
}

.clients__controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.clients__control {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: all var(--transition-fast);
}

.clients__control:hover {
    background-color: var(--color-secondary-accent);
    color: var(--color-white);
}

/* ================ Subscribe Section ================ */
.subscribe {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
}

.subscribe__form {
    max-width: 600px;
    margin: 0 auto;
}

.subscribe__input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.subscribe__input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.subscribe__input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.subscribe__input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.subscribe__button {
    flex-shrink: 0;
}

.subscribe__privacy {
    text-align: center;
}

.subscribe__checkbox-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.subscribe__checkbox {
    width: 16px;
    height: 16px;
}

.subscribe__link {
    color: var(--color-white);
    text-decoration: underline;
}

.subscribe__link:hover {
    color: var(--color-secondary-accent);
}

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

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

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

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

.contact__info-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-secondary-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.contact__info-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.contact__info-text {
    color: var(--color-text-light);
}

.contact__form {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.contact__form-group--full {
    grid-column: 1 / -1;
}

.contact__form-group--checkbox {
    grid-column: 1 / -1;
    margin: var(--spacing-md) 0;
}

.contact__label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.contact__input,
.contact__textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--border-radius-md);
    background-color: var(--color-light-gray);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact__input:focus,
.contact__textarea:focus {
    outline: none;
    border-color: var(--color-secondary-accent);
    box-shadow: 0 0 0 3px rgba(238, 108, 77, 0.2);
}

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

.contact__checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.contact__checkbox {
    width: 16px;
    height: 16px;
}

.contact__button {
    grid-column: 1 / -1;
    justify-self: start;
}

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

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

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: block;
    width: 160px;
    margin-bottom: var(--spacing-md);
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

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

.footer__link {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

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

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* ================ Back to Top Button ================ */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--color-secondary-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 99;
}

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

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

/* ================ Responsive Styles ================ */
@media (max-width: 1200px) {
    :root {
        --font-size-3xl: 2.25rem;
        --font-size-4xl: 2.75rem;
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .section-header__title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 992px) {
    :root {
        --spacing-3xl: 3rem;
        --spacing-4xl: 4rem;
    }
    
    .hero {
        height: auto;
        padding: 120px 0 80px;
    }
    
    .calculator__wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact__wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer__brand {
        max-width: none;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-2xl: 1.75rem;
        --font-size-3xl: 2rem;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--color-white);
        padding: 100px var(--spacing-xl) var(--spacing-xl);
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-xl);
        z-index: 101;
    }
    
    .header__nav--active {
        right: 0;
    }
    
    .header__nav-list {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header__menu-toggle {
        display: block;
    }
    
    .hero__content {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero__cta {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .features__grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .process-step__number {
        font-size: var(--font-size-2xl);
        min-width: auto;
    }
    
    .results__counters {
        grid-template-columns: 1fr;
    }
    
    .contact__form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    :root {
        --font-size-2xl: 1.5rem;
        --font-size-3xl: 1.75rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .section-header__title {
        font-size: var(--font-size-xl);
    }
    
    .section-header__subtitle {
        font-size: var(--font-size-base);
    }
    
    .subscribe__input-group {
        flex-direction: column;
    }
}

.legal {
    padding: 120px 0 80px;
}

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

.legal__header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.legal__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-accent);
}

.legal__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.legal__updated {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.legal__subtitle {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-accent);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.legal__tertiary {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-accent);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal__content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

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

.legal__contact {
    background-color: var(--color-light-gray);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.legal__contact p {
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .legal__content {
        padding: var(--spacing-lg);
    }
}

.legal {
    padding: 120px 0 80px;
}

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

.legal__header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.legal__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-accent);
}

.legal__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.legal__updated {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.legal__subtitle {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-accent);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.legal__tertiary {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-accent);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal__content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

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

.legal__contact {
    background-color: var(--color-light-gray);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.legal__contact p {
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .legal__content {
        padding: var(--spacing-lg);
    }
}

.thankyou {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
}

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

.thankyou__content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.thankyou__icon {
    font-size: 5rem;
    color: var(--color-secondary-accent);
    margin-bottom: var(--spacing-lg);
}

.thankyou__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

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

.thankyou__button {
    display: inline-block;
}