/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Color Palette - на основе логотипов компаний */
    --color-primary: #176428;        /* Тёмно-зелёный из логотипа Прогресс Аудит */
    --color-primary-light: #66AE3B;  /* Светло-зелёный из логотипа */
    --color-accent: #7DC03E;         /* Лаймовый акцент */
    --color-dark: #212233;           /* Тёмно-синий/серый из логотипа */
    --color-text-main: #1D1D1B;      /* Чёрный из логотипа Проэстель */
    
    --color-white: #FFFFFF;
    --color-bg-light: #F8FAF9;       /* Очень светлый с зелёным оттенком */
    --color-bg-mint: #E8F5E9;        /* Светло-зелёный фон */
    --color-gray: #6B7280;
    --color-border: #E5E7EB;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #176428 0%, #66AE3B 100%);
    --gradient-accent: linear-gradient(135deg, #66AE3B 0%, #7DC03E 100%);
    --gradient-hero: linear-gradient(180deg, #F8FAF9 0%, #FFFFFF 100%);
    --gradient-dark: linear-gradient(135deg, #212233 0%, #1D1D1B 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(23, 100, 40, 0.08);
    --shadow-md: 0 4px 16px rgba(23, 100, 40, 0.12);
    --shadow-lg: 0 8px 32px rgba(23, 100, 40, 0.16);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

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

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

ul, ol {
    list-style: none;
}

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

input, textarea {
    font-family: inherit;
    font-size: 1rem;
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 1px 3px var(--color-border);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .header__container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

.header__logo-wrapper {
    display: flex;
    align-items: center;
}

.header__logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

@media (min-width: 480px) {
    .header__logo {
        height: 40px;
    }
}

@media (min-width: 768px) {
    .header__logo {
        height: 45px;
    }
}

.header__divider {
    width: 1px;
    height: 35px;
    background: var(--color-border);
    margin: 0 var(--spacing-xs);
}

@media (min-width: 768px) {
    .header__divider {
        height: 45px;
        margin: 0 var(--spacing-sm);
    }
}

.header__nav {
    display: none;
}

@media (min-width: 1024px) {
    .header__nav {
        display: block;
    }
}

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

.header__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.header__link:hover {
    color: var(--color-primary-light);
    background: var(--color-bg-light);
}

.header__burger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 1024px) {
    .header__burger {
        display: none;
    }
}

.header__burger span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.header__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.header__burger.active span:nth-child(2) {
    opacity: 0;
}

.header__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.header__mobile-menu {
    display: none;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    overflow: hidden;
    transition: max-height var(--transition-normal);
    max-height: 0;
}

.header__mobile-menu.active {
    display: block;
    max-height: 400px;
}

.header__mobile-links {
    padding: var(--spacing-md);
}

.header__mobile-link {
    display: block;
    padding: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.header__mobile-link:hover {
    color: var(--color-primary-light);
    background: var(--color-bg-light);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding-top: calc(80px + var(--spacing-xxl));
    padding-bottom: var(--spacing-xxl);
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding-top: calc(100px + var(--spacing-xxl));
        padding-bottom: var(--spacing-xxl);
    }
}

.hero__container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero__title {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-lg);
    }
}

.hero__subtitle {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero__subtitle {
        font-size: 1.125rem;
    }
}

.hero__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
}

@media (min-width: 600px) {
    .hero__features {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    font-size: 0.9rem;
    color: var(--color-text-main);
}

.hero__feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ========================================
   Sections Common Styles
   ======================================== */
.section {
    padding: var(--spacing-xxl) 0;
}

.section--about {
    background: var(--color-white);
}

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

.section--scheme {
    background: var(--color-white);
}

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

.section--penalties {
    background: var(--color-white);
}

.section--help {
    background: linear-gradient(135deg, #F8FAF9 0%, #E8F5E9 100%);
}

.section--faq {
    background: var(--color-white);
}

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

.section__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section__title {
        font-size: 2.25rem;
        margin-bottom: var(--spacing-lg);
    }
}

.section__intro {
    font-size: 1rem;
    color: var(--color-gray);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .section__intro {
        font-size: 1.125rem;
    }
}

/* ========================================
   Section 2: About
   ======================================== */
.about__content {
    max-width: 900px;
    margin: 0 auto;
}

.about__intro {
    font-size: 1.25rem;
    color: var(--color-text-main);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .about__intro {
        font-size: 1.5rem;
    }
}

.about__explanation {
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
}

.about__explanation-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

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

@media (min-width: 768px) {
    .about__cards {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

.about__card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}

.about__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.about__card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.about__card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about__card p {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.about__info-box {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
}

.about__info-box p {
    font-size: 1rem;
    line-height: 1.7;
}

.about__info-box strong {
    font-weight: 600;
}

/* ========================================
   Section 3: Scenarios
   ======================================== */
.scenarios__intro-box {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 2px solid var(--color-primary-light);
}

.scenarios__intro-content {
    max-width: 700px;
    margin: 0 auto;
}

.scenarios__intro-content p {
    font-size: 1.125rem;
    color: var(--color-primary);
    font-weight: 600;
    line-height: 1.6;
}

.scenarios__grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 900px) {
    .scenarios__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

.scenarios__card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.scenarios__card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.scenarios__card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.scenarios__badge {
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.scenarios__badge--alt {
    background: var(--color-accent);
}

.scenarios__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.scenarios__card-subtitle {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.scenarios__card-desc {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.scenarios__steps-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.scenarios__list {
    list-style: decimal;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.scenarios__list li {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
}

.scenarios__result {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

.scenarios__note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.6;
}

.scenarios__note--warning {
    background: #FFF3CD;
    color: #856404;
}

.scenarios__note--success {
    background: #D4EDDA;
    color: #155724;
}

/* ========================================
   Section 4: Scheme
   ======================================== */
.scheme__grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 900px) {
    .scheme__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

.scheme__card {
    background: var(--color-white);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

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

.scheme__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

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

.scheme__step-number {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.scheme__step-text {
    font-size: 0.9rem;
    color: var(--color-text-main);
    line-height: 1.7;
}

.scheme__step-text strong {
    font-weight: 600;
    color: var(--color-primary);
}

.scheme__note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: #E3F2E8;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-primary);
    line-height: 1.6;
    border-left: 3px solid var(--color-primary-light);
}

/* ========================================
   Section 5: Timeline
   ======================================== */
.timeline__grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
    .timeline__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .timeline__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-lg);
    }
}

.timeline__card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 2px solid var(--color-primary-light);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.timeline__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.timeline__card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.timeline__card-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.timeline__card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
}

.timeline__card-date {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.timeline__date-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.timeline__date-value {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.timeline__card-desc {
    font-size: 0.9rem;
    color: var(--color-text-main);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.timeline__card-note {
    font-size: 0.8rem;
    color: var(--color-gray);
    background: var(--color-bg-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border-left: 2px solid var(--color-primary-light);
}

.timeline__info-box {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
}

.timeline__info-box p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.timeline__info-box strong {
    font-weight: 600;
}

.timeline__apps {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline__app-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-fast);
}

.timeline__app-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

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

.timeline__app-icon {
    width: 20px;
    height: 20px;
}

/* ========================================
   Section 6: Penalties
   ======================================== */
.penalties__grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .penalties__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .penalties__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Градиентные фоны для карточек штрафов (от светлого к красному) */
.penalties__card--1 {
    background: linear-gradient(135deg, #FFEBEE 0%, #FFCDD2 100%);
    border: 1px solid #EF9A9A;
}

.penalties__card--2 {
    background: linear-gradient(135deg, #FFCDD2 0%, #EF9A9A 100%);
    border: 1px solid #E57373;
}

.penalties__card--3 {
    background: linear-gradient(135deg, #EF9A9A 0%, #E57373 100%);
    border: 1px solid #EF5350;
}

.penalties__card--4 {
    background: linear-gradient(135deg, #E57373 0%, #EF5350 100%);
    border: 1px solid #F44336;
}

.penalties__card {
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-normal);
}

.penalties__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.penalties__card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.penalties__icon {
    font-size: 1.5rem;
}

.penalties__card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
}

.penalties__amount {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.penalties__amount-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.penalties__amount-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.penalties__card-desc {
    font-size: 0.8rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

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

.penalties__list li {
    font-size: 0.85rem;
    color: var(--color-text-main);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
}

.penalties__list li strong {
    color: var(--color-primary);
}

.penalties__note {
    font-size: 0.75rem;
    color: var(--color-gray);
    line-height: 1.5;
}

.penalties__note--warning {
    color: #856404;
}

.penalties__info-box {
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.penalties__info-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

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

.penalties__info-list li {
    font-size: 0.9rem;
    color: var(--color-text-main);
    line-height: 1.7;
}

/* ========================================
   Section 7: Help
   ======================================== */
.help__grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .help__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
}

.help__card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.help__card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary-light);
}

.help__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.help__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.help__card p {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.help__btn-wrapper {
    margin-top: auto;
}

.help__btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.help__btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.help__btn--primary {
    background: var(--gradient-primary);
}
}

/* ========================================
   Section 8: FAQ
   ======================================== */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq__item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq__item.active {
    border-color: var(--color-primary-light);
    box-shadow: 0 2px 12px rgba(23, 100, 40, 0.1);
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.faq__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    padding-right: var(--spacing-md);
}

.faq__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    position: relative;
    transition: transform var(--transition-fast);
}

.faq__icon::before,
.faq__icon::after {
    content: '';
    position: absolute;
    background: var(--color-primary-light);
    transition: all var(--transition-fast);
}

.faq__icon::before {
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    transform: translateY(-50%);
}

.faq__icon::after {
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
}

.faq__item.active .faq__icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

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

.faq__item.active .faq__answer {
    max-height: 500px;
}

.faq__answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-main);
    line-height: 1.7;
}

/* ========================================
   Section 9: Contacts
   ======================================== */
.contacts__grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .contacts__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

.contacts__card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 1px solid var(--color-border);
}

.contacts__logo {
    height: 60px;
    width: auto;
    margin: 0 auto var(--spacing-md);
}

.contacts__company {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

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

.contacts__item {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.contacts__icon {
    flex-shrink: 0;
}

.contacts__link {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.contacts__address {
    color: var(--color-text-main);
    font-style: normal;
    line-height: 1.6;
}

.contacts__social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.contacts__social-link {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.contacts__social-link--tg {
    background: #229ED9;
    color: var(--color-white);
}

.contacts__social-link--tg:hover {
    background: #1B8AC0;
}

.contacts__social-link--vk {
    background: #0077FF;
    color: var(--color-white);
}

.contacts__social-link--vk:hover {
    background: #0066DD;
}

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

.footer__container {
    text-align: center;
}

.footer__text {
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer__text--small {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: var(--spacing-sm);
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal__content {
    position: relative;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
    border: 1px solid var(--color-border);
}

.modal.active .modal__content {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-gray);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    color: var(--color-dark-green);
    background: var(--color-gray-light);
}

.modal__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.modal__text {
    font-size: 0.9rem;
    color: var(--color-gray);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

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

.modal__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark-green);
}

.modal__input,
.modal__textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.modal__input:focus,
.modal__textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(102, 174, 59, 0.1);
}

.modal__input::placeholder,
.modal__textarea::placeholder {
    color: var(--color-gray);
}

.modal__textarea {
    resize: vertical;
    min-height: 100px;
}

.modal__btn {
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 600;
    padding: var(--spacing-md);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.modal__btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 1024px) {
    .header__nav {
        display: none;
    }
    
    .header__burger {
        display: flex;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: calc(70px + var(--spacing-xl));
        padding-bottom: var(--spacing-xl);
    }
    
    .hero__features {
        gap: var(--spacing-xs);
    }
    
    .hero__feature {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section__title {
        font-size: 1.5rem;
    }
    
    .section__intro {
        font-size: 0.9rem;
    }
    
    .timeline__grid {
        grid-template-columns: 1fr;
    }
    
    .penalties__grid {
        grid-template-columns: 1fr;
    }
    
    .help__grid {
        grid-template-columns: 1fr;
    }
    
    .contacts__grid {
        grid-template-columns: 1fr;
    }
    
    .scheme__grid {
        grid-template-columns: 1fr;
    }
    
    .scenarios__grid {
        grid-template-columns: 1fr;
    }
    
    .about__cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header__container {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .header__logo {
        height: 28px;
    }
    
    .header__divider {
        height: 28px;
    }
    
    .hero {
        padding-top: calc(60px + var(--spacing-lg));
    }
    
    .hero__title {
        font-size: 1.25rem;
    }
    
    .hero__subtitle {
        font-size: 0.9rem;
    }
    
    .hero__features {
        gap: var(--spacing-xs);
    }
    
    .hero__feature {
        width: 100%;
        justify-content: center;
    }
    
    .section__title {
        font-size: 1.25rem;
    }
    
    .modal__content {
        padding: var(--spacing-md);
        width: 95%;
    }
    
    .timeline__card {
        padding: var(--spacing-md);
    }
    
    .timeline__card-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .penalties__card {
        padding: var(--spacing-md);
    }
    
    .penalties__amount-value {
        font-size: 1rem;
    }
}

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