/* style.css – Зеркальный голубой дизайн с тонкими шрифтами */

:root {
    /* Голубая зеркальная палитра */
    --color-primary: #4a90d9;
    --color-primary-dark: #357abd;
    --color-primary-light: #7ab4f0;
    --color-secondary: #5ba4cf;
    --color-secondary-light: #8bc4e8;
    
    /* Ледяные оттенки */
    --color-ice: #e8f4fd;
    --color-frost: #d4eafc;
    --color-mirror: #c5dff8;
    
    /* Нейтральные */
    --color-white: #ffffff;
    --color-bg: #f5faff;
    --color-bg-alt: #eef6fd;
    --color-text: #1a2b3c;
    --color-text-light: #5a7a9a;
    --color-text-muted: #8aa4bc;
    --color-border: #dce8f5;
    --color-error: #e74c3c;
    
    /* Зеркальные эффекты */
    --glass-bg: rgba(255, 255, 255, 0.4);
    --glass-bg-strong: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(74, 144, 217, 0.12);
    --card-shadow: 0 4px 16px rgba(74, 144, 217, 0.08);
    --card-shadow-hover: 0 12px 32px rgba(74, 144, 217, 0.15);
    --mirror-gradient: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.1) 100%);
    
    /* Скругления */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Анимации */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Типографика */
    --font-main: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-weight-thin: 200;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    font-weight: var(--font-weight-light);
    color: var(--color-text);
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 50%, #f5faff 100%);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Типографика для WP-контента */
.wp-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-thin);
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

.wp-content p {
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    font-weight: var(--font-weight-light);
    color: var(--color-text-light);
    line-height: 1.8;
}

.wp-content ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.wp-content li {
    margin-bottom: 0.75rem;
    padding-left: 2rem;
    position: relative;
    font-weight: var(--font-weight-light);
    color: var(--color-text-light);
}

.wp-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(74, 144, 217, 0.4);
}

.wp-content strong {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: var(--font-weight-regular);
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    line-height: 1.2;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, #4a90d9 0%, #357abd 100%);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(74, 144, 217, 0.25);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(74, 144, 217, 0.35);
    background: linear-gradient(135deg, #5ba0e0 0%, #4a90d9 100%);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    font-weight: var(--font-weight-light);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.1);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Бейджи */
.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(74, 144, 217, 0.08);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Заголовки секций */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-thin);
    color: var(--color-text);
    margin-bottom: 0.75rem;
    letter-spacing: 0.03em;
}

.section-subtitle {
    font-size: 1rem;
    font-weight: var(--font-weight-light);
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto;
    letter-spacing: 0.02em;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(220, 235, 250, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
    transition: all var(--transition);
    box-shadow: 0 2px 20px rgba(74, 144, 217, 0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-thin);
    color: var(--color-primary-dark);
    letter-spacing: 0.04em;
}

.main-nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-weight: var(--font-weight-light);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

.main-nav a:hover::after {
    transform: scaleX(1);
}

/* Мобильное меню */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(160deg, #c5dff8 0%, #a8d4f0 25%, #7ab4e8 50%, #5ba4cf 75%, #c5dff8 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(45deg, rgba(255, 255, 255, 0.3) 0%, transparent 40%),
        linear-gradient(135deg, transparent 60%, rgba(255, 255, 255, 0.4) 100%);
    animation: mirrorShine 10s ease-in-out infinite alternate;
}

@keyframes mirrorShine {
    0% { opacity: 0.5; }
    100% { opacity: 0.8; }
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    animation: bgPulse 8s ease-in-out infinite alternate;
}

@keyframes bgPulse {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: var(--font-weight-light);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(20px);
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: var(--font-weight-thin);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: 0.04em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #d4eafc 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-regular);
}

.hero-mission {
    font-size: 1.1rem;
    font-weight: var(--font-weight-light);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    letter-spacing: 0.02em;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.15);
    padding: 20px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: var(--font-weight-thin);
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: var(--font-weight-light);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* About */
.about {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-ice) 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 217, 0.2), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #4a90d9 0%, #7ab4f0 50%, #8bc4e8 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(74, 144, 217, 0.2);
}

.about-image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.4) 0%, transparent 50%);
}

/* Directions */
.directions {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-ice) 0%, var(--color-white) 100%);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.direction-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.direction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.direction-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

.direction-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(255, 255, 255, 0.6);
    background: var(--glass-bg-strong);
}

.direction-card:hover::before {
    transform: scaleX(1);
}

.direction-card:hover::after {
    opacity: 1;
}

.card-icon-wrapper {
    width: 56px;
    height: 56px;
    background: rgba(74, 144, 217, 0.08);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-primary);
    transition: all var(--transition);
    backdrop-filter: blur(5px);
}

.direction-card:hover .card-icon-wrapper {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3);
}

.direction-card h3 {
    font-size: 1.15rem;
    font-weight: var(--font-weight-regular);
    margin-bottom: 0.75rem;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.direction-card p {
    color: var(--color-text-light);
    font-weight: var(--font-weight-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.card-link {
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    opacity: 0;
    transition: opacity var(--transition);
    letter-spacing: 0.03em;
}

.direction-card:hover .card-link {
    opacity: 1;
}

/* Payment */
.payment {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
    position: relative;
}

.payment-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

#payment-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.form-section {
    border: none;
    margin-bottom: 24px;
}

.form-section legend {
    font-weight: var(--font-weight-medium);
    margin-bottom: 12px;
    color: var(--color-text);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.radio-group, .toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.radio-label, .toggle-option {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-full);
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
    letter-spacing: 0.02em;
}

.radio-label:has(input:checked), .toggle-option:has(input:checked) {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-color: var(--color-primary);
    font-weight: var(--font-weight-regular);
    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.25);
}

input[type="radio"] {
    accent-color: var(--color-primary);
    width: 16px;
    height: 16px;
    margin: 0;
}

.amount-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.amount-btn {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.95rem;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.amount-btn:hover {
    border-color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.8);
}

.amount-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3);
    font-weight: var(--font-weight-regular);
}

.custom-amount input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: var(--font-weight-light);
    transition: all var(--transition-fast);
    font-family: inherit;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

.custom-amount input::placeholder {
    color: var(--color-text-muted);
    font-weight: var(--font-weight-light);
}

.custom-amount input:focus {
    border-color: var(--color-primary-light);
    outline: none;
    box-shadow: 0 0 0 4px rgba(74, 144, 217, 0.08);
    background: rgba(255, 255, 255, 0.8);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: var(--font-weight-medium);
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.form-group input {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: var(--font-weight-light);
    transition: all var(--transition-fast);
    font-family: inherit;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
    font-weight: var(--font-weight-light);
}

.form-group input:focus {
    border-color: var(--color-primary-light);
    outline: none;
    box-shadow: 0 0 0 4px rgba(74, 144, 217, 0.08);
    background: rgba(255, 255, 255, 0.8);
}

.form-group input[aria-invalid="true"] {
    border-color: var(--color-error);
    background: rgba(231, 76, 60, 0.05);
}

.error-message {
    color: var(--color-error);
    font-size: 0.8rem;
    min-height: 20px;
    margin-top: 4px;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.02em;
}

.form-note {
    font-size: 0.8rem;
    font-weight: var(--font-weight-light);
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 20px;
    letter-spacing: 0.02em;
}

.form-note a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.form-note a:hover {
    border-bottom-color: var(--color-primary);
}

.payment-decoration {
    position: sticky;
    top: 100px;
}

.trust-badges {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    font-weight: var(--font-weight-light);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    box-shadow: var(--card-shadow);
}

.trust-badge svg {
    color: var(--color-primary);
    opacity: 0.7;
}

/* Footer */
.site-footer {
    background: linear-gradient(180deg, #1a2b3c 0%, #152535 100%);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
    font-weight: var(--font-weight-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 12px;
    opacity: 0.6;
    font-size: 0.85rem;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.02em;
}

.footer-logo {
    margin-bottom: 8px;
}

.footer-nav h4, .footer-contacts h4 {
    color: var(--color-white);
    margin-bottom: 16px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-nav ul {
    list-style: none;
}

.footer-nav li {
    margin-bottom: 8px;
}

.footer-nav a, .footer-contacts a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: var(--font-weight-light);
    letter-spacing: 0.02em;
    font-size: 0.85rem;
}

.footer-nav a:hover, .footer-contacts a:hover {
    color: var(--color-white);
}

.footer-contacts p {
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.02em;
    opacity: 0.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}

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

.footer-copy {
    font-size: 0.8rem;
    font-weight: var(--font-weight-light);
    opacity: 0.4;
    letter-spacing: 0.02em;
}

/* Утилиты */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
}

/* Адаптивность */
@media (max-width: 1024px) {
    .payment-wrapper {
        grid-template-columns: 1fr;
    }
    
    .payment-decoration {
        position: static;
    }
    
    .trust-badges {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-visual {
        order: -1;
    }

    .hero-stats {
        gap: 1rem;
    }

    .stat-item {
        padding: 16px 24px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

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

    #payment-form {
        padding: 24px;
    }

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

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

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

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .radio-group, .toggle-group {
        flex-direction: column;
    }
    
    .amount-grid {
        justify-content: center;
    }
}