:root {
    --color-background: #0E0F13;
    --color-primary: #EAEAEA;
    --color-accent: #FF4D6D;
    --color-secondary: #3DDC97;
    --color-highlight: #FFD166;
    --color-muted: #2B2F3A;
    --color-muted-light: #3a3f4d;
    --color-text: #EAEAEA;
    --color-text-muted: #8a8f9d;
    --color-border: #2B2F3A;
    --color-error: #FF4D6D;
    --color-success: #3DDC97;

    --font-primary: 'Inter', -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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow-accent: 0 0 20px rgba(255, 77, 109, 0.4);
    --shadow-glow-secondary: 0 0 20px rgba(61, 220, 151, 0.4);
    --shadow-glow-highlight: 0 0 20px rgba(255, 209, 102, 0.4);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    --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;

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    --container-max: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
}

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

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(14, 15, 19, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.main-nav a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

.main-nav a:hover {
    color: var(--color-primary);
}

.main-nav a:hover::after {
    width: 100%;
}

main {
    padding-top: var(--header-height);
}

.hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
    position: relative;
    overflow: hidden;
    background: url('../images/bg-image-1.webp') center / cover no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(14, 15, 19, 0.92) 0%,
        rgba(14, 15, 19, 0.78) 45%,
        rgba(255, 77, 109, 0.18) 100%
    );
    z-index: 0;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.challenge-selector {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.challenge-btn {
    background: var(--color-muted);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: lowercase;
}

.challenge-btn:hover,
.challenge-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-background);
}

.challenge-btn[data-type="focus"]:hover,
.challenge-btn[data-type="focus"].active {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.challenge-btn[data-type="productivity"]:hover,
.challenge-btn[data-type="productivity"].active {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.challenge-btn[data-type="discipline"]:hover,
.challenge-btn[data-type="discipline"].active {
    background: var(--color-highlight);
    border-color: var(--color-highlight);
    color: var(--color-background);
}

.progress-ring-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: var(--spacing-2xl) auto;
}

.progress-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--color-muted);
    stroke-width: 3;
}

.progress-ring-progress {
    fill: none;
    stroke: url(#progressGradient);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 0 628;
    transition: stroke-dasharray var(--transition-slow);
}

.day-node {
    fill: var(--color-muted);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.day-node:hover {
    fill: var(--color-accent);
    filter: drop-shadow(0 0 6px var(--color-accent));
}

.day-node.completed {
    fill: var(--color-secondary);
}

.day-node.active {
    fill: var(--color-accent);
    filter: drop-shadow(0 0 8px var(--color-accent));
}

.ring-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ring-day {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.ring-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: #ff3358;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-accent);
    color: var(--color-background);
}

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

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

.btn-progress {
    position: relative;
}

.btn-progress::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: rgba(255, 255, 255, 0.2);
    transition: width 1s ease;
}

.btn-progress:hover::before {
    width: 100%;
}

section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

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

.features-section {
    padding: var(--spacing-3xl) var(--spacing-sm);
}

.feature-card {
    background: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 77, 109, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
    color: var(--color-accent);
}

.feature-card:nth-child(2) .feature-icon {
    background: rgba(61, 220, 151, 0.1);
    color: var(--color-secondary);
}

.feature-card:nth-child(3) .feature-icon {
    background: rgba(255, 209, 102, 0.1);
    color: var(--color-highlight);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

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

.how-it-works {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-muted) 50%, var(--color-background) 100%);
    padding: var(--spacing-4xl);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-3xl);
}

.step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-muted);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-text {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.challenges-section {
    background: var(--color-muted);
}

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

.challenge-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.challenge-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.challenge-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.challenge-category {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    background: rgba(255, 77, 109, 0.1);
    color: var(--color-accent);
}

.challenge-duration {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.challenge-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.challenge-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.challenge-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.challenge-meta i {
    color: var(--color-accent);
    margin-right: var(--spacing-xs);
}

.stats-section {
    text-align: center;
}

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

.stat-item {
    padding: var(--spacing-xl);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.testimonials-section {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-muted) 100%);
}

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

.testimonial-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.testimonial-content {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: var(--color-accent);
}

.author-info .author-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

.author-info .author-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.cta-section {
    text-align: center;
    background: linear-gradient(135deg, var(--color-muted) 0%, var(--color-background) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-4xl);
    margin: var(--spacing-4xl) var(--spacing-lg);
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.image-section {
    position: relative;
}

.image-section figure {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.image-section img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.image-section figure:hover img {
    transform: scale(1.02);
}

.image-section figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(transparent, rgba(14, 15, 19, 0.9));
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.site-footer {
    background: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

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

.cookie-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.cookie-text a {
    color: var(--color-accent);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.cookie-btn-accept {
    background: var(--color-accent);
    color: var(--color-background);
}

.cookie-btn-accept:hover {
    background: #ff3358;
}

.cookie-btn-reject {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.cookie-btn-reject:hover {
    border-color: var(--color-text-muted);
    color: var(--color-primary);
}

.cookie-btn-settings {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.cookie-btn-settings:hover {
    background: var(--color-accent);
    color: var(--color-background);
}

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

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

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

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

.cookie-category-info h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.cookie-category-info p {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
}

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

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

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

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

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

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

.form-label .required {
    color: var(--color-accent);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

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

.form-input.error,
.form-textarea.error {
    border-color: var(--color-error);
}

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

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

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

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

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

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

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

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

.page-header {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-muted) 0%, var(--color-background) 100%);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

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

.policy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.policy-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.policy-content h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.policy-content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.policy-content p {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.policy-content ul {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

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

.policy-content a {
    color: var(--color-accent);
}

.last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
}

.thank-you-section {
    min-height: calc(100vh - var(--header-height) - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
}

.thank-you-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(61, 220, 151, 0.1);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-xl);
    font-size: var(--font-size-3xl);
    color: var(--color-secondary);
}

.thank-you-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.thank-you-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.disclaimer-section {
    background: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.disclaimer-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-highlight);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.content-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

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

.content-text {
    padding: var(--spacing-xl);
}

.content-text h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.content-text p {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.content-list {
    list-style: none;
}

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

.content-list i {
    color: var(--color-secondary);
    margin-top: 4px;
}

@media (max-width: 1024px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-muted);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-lg);
        display: none;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

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

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

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

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

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

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

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

    .step:nth-child(even) {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .cookie-buttons {
        justify-content: center;
    }

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

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

    .progress-ring-container {
        width: 250px;
        height: 250px;
    }

    .cta-section {
        margin: var(--spacing-2xl) var(--spacing-md);
        padding: var(--spacing-2xl);
    }
}

@media (max-width: 480px) {
    .challenge-selector {
        flex-direction: column;
        align-items: center;
    }

    .challenge-btn {
        width: 100%;
        max-width: 200px;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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