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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Дополнительные фоновые эффекты */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 118, 117, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    z-index: -2;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.15;
    animation: floatGently 25s infinite ease-in-out;
}

.circle.c1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(45deg, #8a2be2, #ff6b9d, #c471ed);
    top: -150px;
    left: -150px;
    animation-duration: 20s;
    animation-delay: 0s;
}

.circle.c2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, #0077ff, #00d4ff, #667eea);
    bottom: -100px;
    right: -100px;
    animation-duration: 25s;
    animation-delay: -5s;
}

.circle.c3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(45deg, #ff9a9e, #fecfef, #fecfef);
    top: 50%;
    left: 10%;
    animation-duration: 30s;
    animation-delay: -10s;
}

@keyframes floatGently {
    0%, 100% { 
        transform: translate(0, 0) scale(1); 
    }
    25% { 
        transform: translate(100px, -50px) scale(1.1); 
    }
    50% { 
        transform: translate(-50px, 100px) scale(0.9); 
    }
    75% { 
        transform: translate(-100px, -50px) scale(1.05); 
    }
}

/* Дополнительные анимированные частицы */
.background-effects::before,
.background-effects::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: sparkle 15s infinite linear;
}

.background-effects::before {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.background-effects::after {
    top: 60%;
    right: 30%;
    animation-delay: 5s;
}

@keyframes sparkle {
    0%, 100% { 
        opacity: 0; 
        transform: scale(0) rotate(0deg);
    }
    50% { 
        opacity: 1; 
        transform: scale(1) rotate(180deg);
    }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: rgba(17, 17, 17, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    transform: translateY(-2px);
    text-shadow: 0 4px 8px rgba(138, 43, 226, 0.4);
}

.nav-logo img {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 0 8px rgba(138, 43, 226, 0.5));
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #8a2be2, #0077ff);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #fff;
    transform: translateY(-2px);
}

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

.download-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

.model-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 4rem;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        #8a2be2, #ff6b9d, #c471ed, #0077ff, #00d4ff, #667eea, #764ba2);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.model-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.model-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 
        0 30px 60px rgba(138, 43, 226, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.model-icons {
    display: flex;
    flex-direction: column; 
    align-items: center; 
    gap: 2rem; 
    margin-bottom: 3rem;
    position: relative;
}

.model-icon-row {
    display: flex;
    justify-content: center;
    gap: 4rem; 
}

.model-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(138, 43, 226, 0.1);
    border: 2px solid rgba(138, 43, 226, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
    box-shadow: 
        0 8px 32px rgba(138, 43, 226, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.model-icon-row:nth-of-type(1) .model-icon:nth-child(1) { 
    animation-delay: 0s; 
    background: rgba(138, 43, 226, 0.15);
    border-color: rgba(138, 43, 226, 0.4);
} /* AxoAI */

.model-icon-row:nth-of-type(1) .model-icon:nth-child(2) { 
    animation-delay: 1.5s;
    background: rgba(0, 119, 255, 0.15);
    border-color: rgba(0, 119, 255, 0.4);
} /* DeepSeek */

.model-icon-row:nth-of-type(2) .model-icon:nth-child(1) { 
    animation-delay: 3s;
    background: rgba(16, 163, 127, 0.15);
    border-color: rgba(16, 163, 127, 0.4);
} /* GPT */

.model-icon-row:nth-of-type(2) .model-icon:nth-child(2) { 
    animation-delay: 4.5s;
    background: rgba(66, 133, 244, 0.15);
    border-color: rgba(66, 133, 244, 0.4);
} /* Gemini */

.model-icon.gpt-icon {
    background: rgba(16, 163, 127, 0.15);
    border: 2px solid rgba(16, 163, 127, 0.4);
}

.model-icon.gemini-icon {
    background: rgba(66, 133, 244, 0.15);
    border: 2px solid rgba(66, 133, 244, 0.4);
}

.model-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #ff6b9d, #c471ed);
    background-size: 400% 400%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: gradientShift 6s ease infinite;
}

.model-icon:hover::before {
    opacity: 1;
}

.model-icon:hover {
    transform: scale(1.15) translateY(-5px);
    border-color: rgba(138, 43, 226, 0.8);
    box-shadow: 
        0 20px 40px rgba(138, 43, 226, 0.4),
        0 0 30px rgba(138, 43, 226, 0.3);
}

.model-icon.gpt-icon:hover {
    border-color: rgba(16, 163, 127, 0.8);
    box-shadow: 
        0 20px 40px rgba(16, 163, 127, 0.4),
        0 0 30px rgba(16, 163, 127, 0.3);
}

.model-icon.gemini-icon:hover {
    border-color: rgba(66, 133, 244, 0.8);
    box-shadow: 
        0 20px 40px rgba(66, 133, 244, 0.4),
        0 0 30px rgba(66, 133, 244, 0.3);
}

.model-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.model-description {
    color: #bbb;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    font-size: 1.2rem;
    text-align: center;
    font-weight: 300;
}

.model-features {
    text-align: left;
    margin-bottom: 3rem;
}

.model-features h4 {
    color: #fff;
    margin-bottom: 2rem;
    font-size: 1.4rem;
    text-align: center;
    font-weight: 600;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-item {
    color: #ccc;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-item:hover::before {
    left: 100%;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(138, 43, 226, 0.3);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-item strong {
    color: #fff;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.download-options {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1.4rem 3rem;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    min-width: 250px;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #8a2be2, #0077ff, #667eea);
    background-size: 200% 200%;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: gradientShift 4s ease infinite;
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 40px rgba(138, 43, 226, 0.5);
}

.versions-section {
    max-width: 700px;
    margin: 4rem auto;
}

.versions-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    font-weight: 700;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #ff6b9d, #c471ed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 300% 300%;
    animation: gradientShift 6s ease infinite;
}

.version-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    margin-bottom: 2.5rem;
    border-left: 5px solid #8a2be2;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.version-card.current {
    border-left: 5px solid #8a2be2;
    position: relative;
}

.version-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(138, 43, 226, 0.1) 0%, 
        rgba(0, 119, 255, 0.1) 50%, 
        rgba(255, 107, 157, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.version-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 22px;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #ff6b9d, #c471ed);
    background-size: 400% 400%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: gradientShift 8s ease infinite;
}

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

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

.version-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(138, 43, 226, 0.4);
    box-shadow: 
        0 25px 50px rgba(138, 43, 226, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.version-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #667eea);
    background-size: 200% 200%;
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.4);
    animation: gradientShift 4s ease infinite;
}

.version-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.version-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8a2be2, #0077ff, #667eea);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    animation: pulse 3s infinite;
    box-shadow: 0 10px 30px rgba(138, 43, 226, 0.4);
    position: relative;
}

.version-icon::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #ff6b9d, #c471ed);
    z-index: -1;
    animation: gradientShift 4s ease infinite;
}

@keyframes pulse {
    0% { 
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(138, 43, 226, 0.4);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(138, 43, 226, 0.6);
    }
    100% { 
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(138, 43, 226, 0.4);
    }
}

.version-info h3 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.version-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(45deg, #8a2be2, #0077ff, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.version-info p {
    color: #aaa;
    font-size: 1rem;
    margin: 0;
    font-weight: 300;
}

.version-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.version-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #ccc;
    font-size: 1rem;
    padding: 0.5rem 0;
}

.version-feature i {
    color: #8a2be2;
    font-size: 1rem;
    width: 20px;
}

.version-actions {
    margin-top: 2rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.old-versions {
    margin-top: 4rem;
}

/* Сворачивание/разворачивание старых версий */
.old-versions {
    margin-top: 4rem;
}

.old-versions .old-version-card {
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.old-versions.collapsed .old-version-card {
    opacity: 0;
    transform: translateX(-30px);
    max-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.old-versions:not(.collapsed) .old-version-card {
    opacity: 1;
    transform: translateX(0);
    max-height: 500px;
}

.old-versions-toggle {
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    position: relative;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 2rem;
}

.old-versions-toggle:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(138, 43, 226, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(138, 43, 226, 0.1);
}

.old-versions-title {
    color: #bbb;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.old-versions-toggle::after {
    content: '▼';
    font-size: 1rem;
    color: #8a2be2;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.old-versions.collapsed .old-versions-toggle::after {
    transform: rotate(-90deg);
}

.old-versions-toggle i {
    color: #8a2be2;
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

.old-versions-title {
    color: #bbb;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

.old-version-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.old-version-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s ease;
}

.old-version-card:hover::before {
    left: 100%;
}

.old-version-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.old-version-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.old-version-info h4 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.version-date {
    color: #777;
    font-size: 0.9rem;
}

.old-version-badge {
    background: linear-gradient(45deg, rgba(76, 175, 80, 0.2), rgba(76, 175, 80, 0.3));
    color: #4caf50;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(76, 175, 80, 0.4);
}

.old-version-features {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.old-version-feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #999;
    font-size: 0.95rem;
}

.old-version-feature i {
    color: #ffc107;
    font-size: 0.9rem;
    width: 18px;
}

.additional-info {
    max-width: 900px;
    margin: 4rem auto 0;
    text-align: center;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.additional-info h2 {
    margin-bottom: 1.5rem;
    color: #fff;
    font-size: 2rem;
    font-weight: 600;
    background: linear-gradient(45deg, #8a2be2, #0077ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.additional-info p {
    color: #bbb;
    line-height: 1.8;
    font-size: 1.1rem;
    font-weight: 300;
}

.footer {
    text-align: center;
    padding: 3rem 2rem;
    color: #666;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 5rem;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 1.5rem;
}

.footer-links a {
    color: #777;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
}

.footer-links a:hover {
    color: #fff;
    transform: translateY(-2px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.version-card {
    animation: slideInUp 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.old-version-card {
    animation: slideInUp 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s both;
}

@keyframes float {
    0%   { transform: translateY(0px); }
    33%  { transform: translateY(-15px); }
    66%  { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

/* Дополнительные анимации */
@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(138, 43, 226, 0.3); }
    50% { box-shadow: 0 0 40px rgba(138, 43, 226, 0.6); }
}

.model-card:hover .model-icon {
    animation: glow 2s ease-in-out infinite;
}

/* Адаптивность */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem; 
    }

    .nav-links {
        gap: 1rem;
    }

    .model-card {
        padding: 2.5rem;
        margin: 0 1rem;
    }

    .model-icons {
        gap: 1.5rem; 
        margin-bottom: 2rem;
    }
    
    .model-icon-row {
        gap: 2rem; 
    }

    .model-icon {
        width: 80px;
        height: 80px;
    }

    .model-icon img {
        width: 40px;
        height: 40px;
    }

    .download-options {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        min-width: 280px;
        padding: 1.2rem 2.5rem;
    }

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

    .versions-section {
        margin: 3rem 1rem;
    }
    
    .old-version-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .old-version-badge {
        align-self: flex-start;
    }
    
    .version-badge {
        position: relative;
        top: 0;
        right: 0;
        margin-bottom: 1rem;
        align-self: flex-start;
    }
    
    .version-card.current .version-content {
        flex-direction: column;
        text-align: center;
    }
    
    .version-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .version-number {
        font-size: 2.5rem;
    }
    
    .version-features {
        align-items: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .download-container {
        padding: 2.5rem 1rem;
    }
    
    .model-card {
        padding: 2rem;
    }
    
    .version-card {
        padding: 2rem;
    }
    
    .btn {
        min-width: 100%;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
    
    .version-number {
        font-size: 2rem;
    }
    
    .old-version-card {
        padding: 1.5rem;
    }
    
    .model-icons {
        gap: 1rem;
    }
    
    .model-icon-row {
        gap: 1.5rem;
    }
    
    .model-icon {
        width: 70px;
        height: 70px;
    }
    
    .model-icon img {
        width: 35px;
        height: 35px;
    }

    .additional-info {
        padding: 2rem;
        margin: 3rem 1rem 0;
    }

    .versions-title {
        font-size: 2rem;
    }

    .additional-info h2 {
        font-size: 1.6rem;
    }
}