/* Импорт шрифта */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Общие стили и переменные */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #FFD700;
    --primary-dark: #FFA500;
    --secondary: #00D9FF;
    --accent: #FF3366;
    --success: #00FF88;

    --bg-dark: #0a0a0a;
    --bg-darker: #000000;
    --bg-card: #1a1a1a;
    --bg-light: #f5f5f5;

    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-dark: #1a1a1a;

    --border: rgba(255, 255, 255, 0.1);
    --border-bright: rgba(255, 215, 0, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Снежинки - минималистичные */
.snowflakes {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    top: 0;
    left: 0;
}

.snowflake {
    position: absolute;
    top: -10%;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.2em;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.3);
    animation: snowfall linear infinite;
}

@keyframes snowfall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.snowflake:nth-child(1) { left: 10%; animation-duration: 12s; animation-delay: 0s; }
.snowflake:nth-child(2) { left: 20%; animation-duration: 15s; animation-delay: 2s; }
.snowflake:nth-child(3) { left: 30%; animation-duration: 10s; animation-delay: 4s; }
.snowflake:nth-child(4) { left: 40%; animation-duration: 18s; animation-delay: 1s; }
.snowflake:nth-child(5) { left: 50%; animation-duration: 14s; animation-delay: 3s; }
.snowflake:nth-child(6) { left: 60%; animation-duration: 16s; animation-delay: 5s; }
.snowflake:nth-child(7) { left: 70%; animation-duration: 11s; animation-delay: 2s; }
.snowflake:nth-child(8) { left: 80%; animation-duration: 17s; animation-delay: 4s; }
.snowflake:nth-child(9) { left: 90%; animation-duration: 13s; animation-delay: 1s; }
.snowflake:nth-child(10) { left: 95%; animation-duration: 15s; animation-delay: 3s; }

/* Плашка уведомления */
.dev-notice {
    background: linear-gradient(135deg, #FF3366, #FF6B35);
    color: white;
    padding: 14px 0;
    text-align: center;
    font-weight: 600;
    font-size: 0.95em;
    box-shadow: 0 4px 12px rgba(255, 51, 102, 0.3);
    position: relative;
    z-index: 1000;
    animation: slideDown 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.dev-notice .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.notice-icon {
    font-size: 1.3em;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

/* HEADER - Черная премиум шапка */
.header {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
}

.logo-icon {
    font-size: 2.5em;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8));
    }
}

.logo-text h1 {
    font-size: 1.8em;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.logo-grand {
    color: var(--text-primary);
}

.logo-mta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-tagline {
    font-size: 0.75em;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Partnership Badge */
.partnership {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 50px;
}

.partnership-text {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1em;
}

.partnership-brand {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1em;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Навигация */
.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    color: var(--text-primary);
}

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

/* HERO СЕКЦИЯ */
.hero {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 165, 0, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-darker);
    font-weight: 700;
    font-size: 0.95em;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
    animation: badge-glow 3s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(255, 215, 0, 0.6);
    }
}

.hero-title {
    font-size: 3.2em;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 50%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.feature-emoji {
    font-size: 2.5em;
    filter: drop-shadow(0 4px 12px rgba(255, 215, 0, 0.4));
}

.feature-text {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: 1.3em;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* MAIN CONTENT */
.main-content {
    padding: 80px 0;
    position: relative;
    z-index: 10;
}

/* Заголовок секции */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3em;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.2em;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* PRICING CARDS - Премиум дизайн */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.pricing-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: var(--primary);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    position: relative;
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(255, 165, 0, 0.05));
    pointer-events: none;
}

.featured-badge {
    position: absolute;
    top: 24px;
    right: -40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-darker);
    padding: 8px 50px;
    font-weight: 700;
    font-size: 0.9em;
    transform: rotate(45deg);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
    z-index: 10;
    letter-spacing: 0.05em;
}

.card-header {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.pricing-card.featured .card-header {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.card-header h3 {
    font-size: 2em;
    color: white;
    margin-bottom: 16px;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.pricing-card.featured .card-header h3 {
    color: var(--bg-darker);
}

.price-badge {
    display: inline-block;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: 700;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    position: relative;
    z-index: 1;
}

.pricing-card.featured .price-badge {
    background: rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 0, 0, 0.2);
    color: var(--bg-darker);
}

.card-body {
    padding: 40px;
}

.description {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 32px;
    text-align: center;
    line-height: 1.7;
}

/* Nickname Field */
.nickname-field {
    margin: 24px 0;
}

.nickname-field label {
    display: block;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-size: 1.05em;
}

.nickname-field input {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.1em;
    font-weight: 500;
    border: 2px solid #d0d0d0;
    border-radius: 12px;
    background: white;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.nickname-field input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.1);
}

.nickname-field input::placeholder {
    color: #999;
}

/* Amount Selector */
.amount-selector {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    padding: 28px;
    margin: 32px 0;
    border: 2px solid #e0e0e0;
}

.amount-selector label {
    display: block;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-size: 1.05em;
}

.amount-selector input {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.5em;
    font-weight: 700;
    text-align: center;
    border: 2px solid #d0d0d0;
    border-radius: 12px;
    background: white;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.amount-selector input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.1);
}

.total {
    margin-top: 16px;
    font-size: 1.6em;
    font-weight: 800;
    text-align: center;
    color: var(--text-dark);
}

.total span {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Quick Amount Buttons */
.quick-amounts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 24px 0;
}

.quick-btn {
    padding: 14px;
    border: 2px solid var(--primary);
    background: white;
    color: var(--text-dark);
    border-radius: 12px;
    font-weight: 700;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.quick-btn:hover {
    background: var(--primary);
    color: var(--bg-darker);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 215, 0, 0.3);
}

.quick-btn:active {
    transform: translateY(0);
}

/* Product Info */
.product-info {
    background: #f8f9fa;
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    padding: 24px;
    margin: 28px 0;
}

.product-info h4 {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.product-info ul {
    list-style: none;
}

.product-info li {
    padding: 10px 0;
    color: #666;
    line-height: 1.7;
    font-size: 0.95em;
}

.product-info strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 20px;
    border: none;
    border-radius: 14px;
    font-size: 1.2em;
    font-weight: 700;
    cursor: not-allowed;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #ccc, #999);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-primary:not(:disabled) {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-darker);
    cursor: pointer;
}

.btn-primary:not(:disabled):hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 215, 0, 0.4);
}

.btn-primary:not(:disabled):active {
    transform: translateY(-1px);
}

.btn-status {
    font-size: 0.85em;
    opacity: 0.9;
}

/* SUPPORT SECTION - Поддержка */
.support-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.support-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(42, 171, 238, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(34, 158, 217, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.support-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
}

.support-header {
    text-align: center;
    margin-bottom: 60px;
}

.support-icon {
    font-size: 4em;
    display: block;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 12px rgba(42, 171, 238, 0.3));
}

.support-title {
    font-size: 3em;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.support-subtitle {
    font-size: 1.3em;
    color: #666;
    font-weight: 500;
}

.support-card {
    background: white;
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    border: 2px solid rgba(255, 215, 0, 0.2);
    transition: all 0.4s ease;
}

.support-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
    border-color: var(--primary);
}

.support-card-icon {
    margin-bottom: 24px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.support-card h3 {
    font-size: 2em;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.support-description {
    font-size: 1.1em;
    color: #666;
    line-height: 1.8;
    margin-bottom: 32px;
}

.support-button {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 50px;
    background: linear-gradient(135deg, #2AABEE, #229ED9);
    color: white;
    text-decoration: none;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1.2em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(42, 171, 238, 0.4);
    margin-bottom: 32px;
}

.support-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(42, 171, 238, 0.6);
    background: linear-gradient(135deg, #229ED9, #2AABEE);
}

.support-button:active {
    transform: translateY(-2px);
}

.support-username {
    font-size: 0.85em;
    opacity: 0.9;
    font-weight: 600;
}

.support-info {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    padding: 24px;
    border-left: 4px solid #2AABEE;
}

.support-info p {
    margin: 8px 0;
    color: #666;
    font-size: 1em;
}

.support-info strong {
    color: var(--text-dark);
    font-weight: 700;
}

/* ABOUT SECTION - О проекте */
.about-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(255, 165, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
}

.about-header {
    text-align: center;
    margin-bottom: 60px;
}

.about-label {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-darker);
    font-weight: 700;
    font-size: 0.85em;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.about-title {
    font-size: 3em;
    font-weight: 900;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.about-text {
    text-align: center;
}

.about-lead {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 60px;
    line-height: 1.6;
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.about-feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    border: 2px solid transparent;
}

.about-feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    border-color: var(--primary);
}

.about-icon {
    font-size: 4em;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.about-feature-card h3 {
    font-size: 1.5em;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.about-feature-card p {
    font-size: 1em;
    color: #666;
    line-height: 1.7;
}

.about-cta {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.6;
}

/* FOOTER - Черный премиум футер */
.footer {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-primary);
    padding: 80px 0 0;
    margin-top: 100px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border);
}

.footer-brand {
    max-width: 500px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.footer-logo .logo-icon {
    font-size: 2.5em;
}

.footer-logo .logo-text h3 {
    font-size: 1.8em;
    font-weight: 900;
    margin: 0;
    line-height: 1;
}

.footer-logo .logo-text span {
    font-size: 0.75em;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95em;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1.1em;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 0.95em;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.company-info p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.9em;
    line-height: 1.6;
}

.footer-bottom {
    padding: 32px 0;
    background: var(--bg-darker);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.legal-notice {
    color: var(--text-secondary);
    font-size: 0.85em;
}

/* Адаптивность */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .hero-title {
        font-size: 1.8em;
    }

    .hero-features {
        gap: 30px;
    }

    .feature-text {
        font-size: 1em;
    }

    .hero-description {
        font-size: 1.1em;
    }

    .section-title {
        font-size: 2em;
    }

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

    .about-title {
        font-size: 2em;
    }

    .about-lead {
        font-size: 1.2em;
    }

    .about-features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-cta {
        font-size: 1.1em;
    }

    .support-title {
        font-size: 2em;
    }

    .support-subtitle {
        font-size: 1.1em;
    }

    .support-card {
        padding: 30px 20px;
    }

    .support-button {
        padding: 16px 40px;
        font-size: 1.1em;
    }

    .footer-links-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .featured-badge {
        font-size: 0.75em;
        padding: 6px 40px;
    }
}

/* Анимации появления */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pricing-card {
    animation: fadeInUp 0.6s ease-out backwards;
}

.pricing-card:nth-child(1) {
    animation-delay: 0.1s;
}

.pricing-card:nth-child(2) {
    animation-delay: 0.2s;
}