:root {
    --color-bg-primary: #FBFAF7;
    --color-bg-secondary: #F0F4F8;
    --color-bg-tertiary: #E8ECF0;
    --color-text-primary: #1B1F26;
    --color-text-secondary: #4A5568;
    --color-text-muted: #718096;
    --color-accent-activity: #4F46E5;
    --color-accent-activity-light: #6366F1;
    --color-accent-rest: #22C55E;
    --color-accent-rest-light: #4ADE80;
    --color-white: #FFFFFF;
    --color-border: #E2E8F0;
    --color-error: #DC2626;
    --color-success: #16A34A;
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    --max-width-content: 1200px;
    --max-width-narrow: 800px;
}

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

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

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

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

a:hover {
    color: var(--color-accent-activity-light);
}

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

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(251, 250, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition-normal);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-header__logo {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    letter-spacing: var(--letter-spacing-tight);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.site-header__logo:hover {
    opacity: 0.8;
    color: var(--color-text-primary);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.site-nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.site-nav__link:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
}

.site-nav__link--active {
    color: var(--color-accent-activity);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

main {
    padding-top: 72px;
}

.hero {
    padding: var(--spacing-24) 0;
    background-color: var(--color-bg-secondary);
    background-image:
        linear-gradient(
            180deg,
            rgba(251, 250, 247, 0.92) 0%,
            rgba(240, 244, 248, 0.88) 100%
        ),
        linear-gradient(
            135deg,
            rgba(79, 70, 229, 0.18) 0%,
            rgba(34, 197, 94, 0.12) 100%
        ),
        url('../images/bg-image-1.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: -10%;
    width: 40%;
    height: 60%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -5%;
    width: 30%;
    height: 50%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
    box-shadow: var(--shadow-sm);
}

.hero__badge i {
    color: var(--color-accent-activity);
}

.hero__title {
    margin-bottom: var(--spacing-6);
}

.hero__title-highlight {
    background: linear-gradient(135deg, var(--color-accent-activity) 0%, var(--color-accent-rest) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-8);
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn--primary:hover {
    background-color: var(--color-accent-activity-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background-color: var(--color-white);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border-color: var(--color-text-muted);
}

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

.btn--rest:hover {
    background-color: var(--color-accent-rest-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.section {
    padding: var(--spacing-20) 0;
}

.section--secondary {
    background-color: var(--color-bg-secondary);
}

.section--tertiary {
    background-color: var(--color-bg-tertiary);
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-12);
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-accent-activity);
    margin-bottom: var(--spacing-4);
}

.section__label--rest {
    color: var(--color-accent-rest);
}

.section__title {
    margin-bottom: var(--spacing-4);
}

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

.rhythm-cycle {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.rhythm-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.rhythm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-activity), var(--color-accent-rest));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.rhythm-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.rhythm-card:hover::before {
    opacity: 1;
}

.rhythm-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-2xl);
}

.rhythm-card__icon--activity {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--color-accent-activity);
}

.rhythm-card__icon--rest {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--color-accent-rest);
}

.rhythm-card__title {
    margin-bottom: var(--spacing-3);
}

.rhythm-card__text {
    font-size: var(--font-size-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.feature-item {
    display: flex;
    gap: var(--spacing-4);
}

.feature-item__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    color: var(--color-accent-activity);
    font-size: var(--font-size-xl);
}

.feature-item__content h4 {
    margin-bottom: var(--spacing-2);
}

.feature-item__content p {
    font-size: var(--font-size-sm);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent-activity), var(--color-accent-rest), var(--color-accent-activity));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-8);
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item__content {
    width: calc(50% - 40px);
    background-color: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.timeline-item__content:hover {
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
}

.timeline-item__marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background-color: var(--color-white);
    border: 3px solid var(--color-accent-activity);
    border-radius: var(--radius-full);
    z-index: 1;
}

.timeline-item--rest .timeline-item__marker {
    border-color: var(--color-accent-rest);
}

.timeline-item__time {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-activity);
    margin-bottom: var(--spacing-2);
}

.timeline-item--rest .timeline-item__time {
    color: var(--color-accent-rest);
}

.timeline-item__title {
    margin-bottom: var(--spacing-2);
}

.timeline-item__text {
    font-size: var(--font-size-sm);
}

.balance-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-12);
    padding: var(--spacing-12) 0;
}

.balance-side {
    text-align: center;
    flex: 1;
    max-width: 300px;
}

.balance-side__icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: var(--font-size-4xl);
    transition: transform var(--transition-normal);
}

.balance-side__icon--activity {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(79, 70, 229, 0.05));
    color: var(--color-accent-activity);
}

.balance-side__icon--rest {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.05));
    color: var(--color-accent-rest);
}

.balance-side:hover .balance-side__icon {
    transform: scale(1.1);
}

.balance-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.balance-center__line {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-activity), var(--color-accent-rest));
    border-radius: var(--radius-full);
}

.balance-center__icon {
    font-size: var(--font-size-3xl);
    color: var(--color-text-muted);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

.tip-card {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--color-accent-activity);
    transition: all var(--transition-normal);
}

.tip-card--rest {
    border-left-color: var(--color-accent-rest);
}

.tip-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
}

.tip-card__number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-activity);
}

.tip-card--rest .tip-card__number {
    color: var(--color-accent-rest);
}

.tip-card__title {
    margin-bottom: var(--spacing-2);
}

.tip-card__text {
    font-size: var(--font-size-sm);
}

.cta-section {
    background: linear-gradient(135deg, var(--color-accent-activity) 0%, #6366F1 50%, var(--color-accent-rest) 100%);
    padding: var(--spacing-16) 0;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-8);
}

.cta-content .btn--secondary {
    background-color: var(--color-white);
    color: var(--color-accent-activity);
    border: none;
}

.cta-content .btn--secondary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.disclaimer {
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-8) 0;
    border-top: 1px solid var(--color-border);
}

.disclaimer__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.disclaimer__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.site-footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-4);
}

.footer-column ul li {
    margin-bottom: var(--spacing-2);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-contact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer-contact__item i {
    color: var(--color-accent-activity-light);
    width: 16px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-bottom__links {
    display: flex;
    gap: var(--spacing-6);
}

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

.footer-bottom__links a:hover {
    color: var(--color-white);
}

.page-hero {
    padding: var(--spacing-16) 0;
    background-color: var(--color-bg-secondary);
    text-align: center;
}

.page-hero__title {
    margin-bottom: var(--spacing-4);
}

.page-hero__description {
    max-width: 600px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
}

.content-section {
    padding: var(--spacing-16) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.content-grid--reverse {
    direction: rtl;
}

.content-grid--reverse > * {
    direction: ltr;
}

.content-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.content-image img {
    width: 100%;
    height: auto;
    display: block;
}

.content-text h3 {
    margin-bottom: var(--spacing-4);
}

.content-text p {
    margin-bottom: var(--spacing-4);
}

.content-text ul {
    margin-top: var(--spacing-4);
}

.content-text li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--color-text-secondary);
}

.content-text li i {
    color: var(--color-accent-rest);
    margin-top: 4px;
}

.practices-list {
    display: grid;
    gap: var(--spacing-6);
}

.practice-card {
    display: flex;
    gap: var(--spacing-6);
    padding: var(--spacing-8);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.practice-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.practice-card__icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.05));
    border-radius: var(--radius-xl);
    font-size: var(--font-size-3xl);
    color: var(--color-accent-rest);
}

.practice-card__content h3 {
    margin-bottom: var(--spacing-3);
}

.practice-card__content p {
    margin-bottom: var(--spacing-4);
}

.practice-card__duration {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-rest);
}

.contact-section {
    padding: var(--spacing-16) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
}

.contact-info h3 {
    margin-bottom: var(--spacing-4);
}

.contact-info > p {
    margin-bottom: var(--spacing-6);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

.contact-details__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.contact-details__item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    color: var(--color-accent-activity);
}

.contact-details__item div h4 {
    margin-bottom: var(--spacing-1);
}

.contact-details__item div p {
    font-size: var(--font-size-sm);
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-accent-activity);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
    background-color: rgba(220, 38, 38, 0.05);
}

.form-group input.valid,
.form-group textarea.valid {
    border-color: var(--color-success);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-2);
    display: none;
}

.form-error.visible {
    display: block;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.form-checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-accent-activity);
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.form-checkbox label a {
    color: var(--color-accent-activity);
}

.thank-you-section {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-16) 0;
    text-align: center;
}

.thank-you-content {
    max-width: 500px;
}

.thank-you-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-rest), var(--color-accent-rest-light));
    border-radius: var(--radius-full);
    font-size: var(--font-size-4xl);
    color: var(--color-white);
}

.thank-you-content h1 {
    margin-bottom: var(--spacing-4);
}

.thank-you-content p {
    margin-bottom: var(--spacing-8);
}

.policy-content {
    padding: var(--spacing-16) 0;
}

.policy-content h1 {
    margin-bottom: var(--spacing-8);
}

.policy-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-10);
    margin-bottom: var(--spacing-4);
}

.policy-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-6);
    margin-bottom: var(--spacing-3);
}

.policy-content p {
    margin-bottom: var(--spacing-4);
}

.policy-content ul {
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-6);
}

.policy-content li {
    position: relative;
    margin-bottom: var(--spacing-2);
    color: var(--color-text-secondary);
    padding-left: var(--spacing-4);
}

.policy-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent-activity);
    border-radius: var(--radius-full);
}

.policy-content .last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-8);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-6);
    z-index: 2000;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner__content {
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.cookie-banner__main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-6);
}

.cookie-banner__text {
    flex: 1;
}

.cookie-banner__text h4 {
    margin-bottom: var(--spacing-2);
}

.cookie-banner__text p {
    font-size: var(--font-size-sm);
}

.cookie-banner__actions {
    display: flex;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

.cookie-settings {
    display: none;
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.cookie-settings.visible {
    display: block;
}

.cookie-category {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
    border-bottom: 1px solid var(--color-border);
}

.cookie-category:last-child {
    border-bottom: none;
}

.cookie-category__info h5 {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-1);
}

.cookie-category__info p {
    font-size: var(--font-size-xs);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-accent-activity);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-settings__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
}

@media (max-width: 1024px) {
    .rhythm-cycle {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    .site-nav__list {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-6);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-2);
    }

    .site-nav__list.active {
        display: flex;
    }

    .site-nav__link {
        width: 100%;
        padding: var(--spacing-3) var(--spacing-4);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: var(--spacing-16) 0;
    }

    .hero__actions {
        flex-direction: column;
    }

    .rhythm-cycle {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 50px;
    }

    .timeline-item__content {
        width: 100%;
    }

    .timeline-item__marker {
        left: 20px;
    }

    .balance-visual {
        flex-direction: column;
        gap: var(--spacing-8);
    }

    .balance-center {
        flex-direction: row;
    }

    .balance-center__line {
        width: 4px;
        height: 60px;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .content-grid--reverse {
        direction: ltr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }

    .cookie-banner__main {
        flex-direction: column;
        text-align: center;
    }

    .cookie-banner__actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .practice-card {
        flex-direction: column;
        text-align: center;
    }

    .practice-card__icon {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }

    .section {
        padding: var(--spacing-12) 0;
    }

    .btn {
        width: 100%;
    }

    .cookie-banner__actions .btn {
        width: auto;
    }
}