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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Навигация */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: bold;
}

.logo-img {
    height: 45px;
    width: 45px;
    object-fit: contain;
}

.logo span {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #667eea;
}

/* Главный экран */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(118,75,162,0.3) 0%, transparent 50%);
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 50%;
    animation-delay: 10s;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem 20px;
}

.hero-logo {
    margin-bottom: 2rem;
    animation: fadeInDown 1s;
}

.hero-logo img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s;
    position: relative;
    z-index: 1;
    font-weight: 700;
    letter-spacing: -2px;
    text-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.btn {
    padding: 18px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.btn i {
    font-size: 1.2rem;
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    font-size: 2rem;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
}

/* Функции */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
}

body.dark-theme .section-subtitle {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.25);
}

body.dark-theme .feature-card:hover {
    box-shadow: 0 20px 60px rgba(139, 158, 255, 0.4);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-theme .feature-icon {
    background: linear-gradient(135deg, #8b9eff 0%, #9b7bc2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(139, 158, 255, 0.5));
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Как это работает */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid #667eea;
    animation: pulse 2s infinite;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: #666;
}

/* Скачать */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.download-text h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.download-text p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.download-btn {
    background: white;
    color: #333;
    padding: 1.2rem 1.8rem;
    border-radius: 15px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    position: relative;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.download-btn i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-web i {
    font-size: 2.5rem;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.btn i {
    font-size: 1.2rem;
}

.download-btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.download-btn-disabled i {
    background: linear-gradient(135deg, #999 0%, #666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge-dev {
    display: block;
    font-size: 0.7rem;
    color: #ff9800;
    font-weight: 600;
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-btn small {
    display: block;
    font-size: 0.8rem;
    color: #666;
}

.download-btn strong {
    display: block;
    font-size: 1.15rem;
    font-weight: 600;
}

.web-version {
    margin-top: 2rem;
    text-align: center;
}

.btn-web {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    color: white;
    padding: 1.5rem 3rem;
    border-radius: 20px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
    border: none;
    font-size: 1.1rem;
}

.btn-web:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(76, 175, 80, 0.6);
    background: linear-gradient(135deg, #45a049 0%, #4caf50 100%);
}

.btn-web i {
    font-size: 2.5rem;
    animation: rotate 3s linear infinite;
}

.btn-web strong {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.btn-web small {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 400;
}

.btn-web div {
    text-align: left;
}

.download-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat span {
    font-size: 0.9rem;
    opacity: 0.8;
}

.phone-mockup {
    background: linear-gradient(145deg, #2d2d2d, #1a1a1a);
    border-radius: 45px;
    padding: 12px;
    box-shadow: 
        0 40px 100px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.1),
        inset 0 1px 0 rgba(255,255,255,0.1);
    max-width: 320px;
    margin: 0 auto;
    position: relative;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 28px;
    background: #0a0a0a;
    border-radius: 0 0 20px 20px;
    z-index: 10;
    box-shadow: inset 0 -2px 5px rgba(0,0,0,0.5);
}

.phone-notch::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #1a1a1a;
    border-radius: 3px;
}

.phone-button {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 5px;
    background: rgba(255,255,255,0.4);
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.phone-screen {
    background: linear-gradient(180deg, #e8eaf6 0%, #f5f5f5 100%);
    border-radius: 35px;
    overflow: hidden;
    height: 650px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
}

.chat-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 20px 18px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.15);
    position: relative;
}

.chat-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255,255,255,0.2);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.3rem;
    border: 2px solid rgba(255,255,255,0.4);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.chat-name {
    font-weight: 600;
    font-size: 1.15rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.chat-status {
    font-size: 0.85rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}

.chat-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #4caf50;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 5px #4caf50;
}

.chat-messages {
    flex: 1;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: linear-gradient(180deg, #e8eaf6 0%, #f0f0f5 50%, #e8eaf6 100%);
    background-size: 100% 200%;
    overflow-y: auto;
    position: relative;
}

.chat-messages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(102, 126, 234, 0.02) 10px, rgba(102, 126, 234, 0.02) 20px);
    pointer-events: none;
}

.message {
    padding: 14px 18px;
    border-radius: 20px;
    max-width: 75%;
    animation: slideIn 0.4s ease-out;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.message-text {
    margin-bottom: 6px;
    line-height: 1.5;
    font-size: 0.95rem;
}

.message-time {
    font-size: 0.7rem;
    opacity: 0.7;
    text-align: right;
}

.message.received {
    background: white;
    align-self: flex-start;
    border-bottom-left-radius: 6px;
    color: #333;
}

.message.received .message-time {
    color: #999;
}

.message.sent {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 6px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.message.sent .message-time {
    color: rgba(255,255,255,0.8);
}

.chat-input {
    padding: 15px 20px;
    background: white;
    display: flex;
    align-items: center;
    gap: 15px;
    border-top: 1px solid #e0e0e0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.chat-input i {
    color: #667eea;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.chat-input i:hover {
    transform: scale(1.2);
}

.chat-input span {
    flex: 1;
    color: #999;
    font-size: 0.95rem;
}

/* Отзывы */
.reviews {
    padding: 80px 0;
    background: #f8f9fa;
}

.reviews h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-left: 5px solid #ffd700;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 4rem;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.15;
    font-family: Georgia, serif;
}

.review-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.review-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(255, 215, 0, 0.25);
    border-left-color: #ffed4e;
}

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

.review-card:hover .stars i {
    animation: starShine 1s ease-in-out infinite;
}

.stars {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.stars i {
    color: #ffd700;
    filter: drop-shadow(0 2px 4px rgba(255, 215, 0, 0.4));
    animation: starPulse 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

.stars i:nth-child(1) { animation-delay: 0s; }
.stars i:nth-child(2) { animation-delay: 0.1s; }
.stars i:nth-child(3) { animation-delay: 0.2s; }
.stars i:nth-child(4) { animation-delay: 0.3s; }
.stars i:nth-child(5) { animation-delay: 0.4s; }

.stars i:hover {
    transform: scale(1.3) rotate(15deg);
    color: #ffed4e;
    filter: drop-shadow(0 4px 8px rgba(255, 215, 0, 0.6));
}

@keyframes starPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes starShine {
    0%, 100% {
        filter: drop-shadow(0 2px 4px rgba(255, 215, 0, 0.4));
    }
    50% {
        filter: drop-shadow(0 4px 12px rgba(255, 215, 0, 0.8)) brightness(1.2);
    }
}

.review-text {
    color: #555;
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.8;
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reviewer-avatar {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    transition: all 0.3s;
}

.review-card:hover .reviewer-avatar {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.reviewer strong {
    display: block;
    color: #333;
    font-size: 1.05rem;
}

.reviewer small {
    display: block;
    color: #999;
    font-size: 0.9rem;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: white;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #333;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #667eea;
    font-weight: bold;
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: #666;
    line-height: 1.8;
}

/* Новости */
.news {
    padding: 80px 0;
    background: #f8f9fa;
}

.news h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-date {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.news-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.news-card p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.news-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.news-link:hover {
    color: #764ba2;
}

/* Футер */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.footer-section p {
    color: #999;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #667eea;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-size: 1.2rem;
}

.social-links a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: #999;
}

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

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.message.sent {
    animation: slideInRight 0.4s ease-out;
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
        padding: 0 10px;
    }
    
    .hero-logo img {
        width: 100px;
        height: 100px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .download-text h2 {
        font-size: 2rem;
    }
    
    .download-text p {
        font-size: 1.1rem;
    }
    
    .download-buttons {
        grid-template-columns: 1fr;
    }
    
    .download-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .phone-mockup {
        max-width: 280px;
        transform: perspective(1000px) rotateY(0deg);
    }
    
    .btn-web {
        padding: 1.2rem 2rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .btn-web i {
        font-size: 2rem;
    }
    
    .btn-web strong {
        font-size: 1.1rem;
    }
    
    .features h2,
    .how-it-works h2,
    .reviews h2,
    .faq h2,
    .news h2 {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .features-grid,
    .steps,
    .reviews-grid,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card,
    .review-card,
    .news-card {
        padding: 1.5rem;
    }
    
    .step {
        padding: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .shape {
        display: none;
    }
    
    .snowflake {
        font-size: 1rem;
    }
    
    .faq-question {
        padding: 1.2rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
}

/* Мобильное меню */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #667eea;
    border-radius: 3px;
    transition: all 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    max-height: 0;
    overflow: hidden;
}

.mobile-menu.active {
    transform: translateY(0);
    max-height: 500px;
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu ul li {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-menu ul li a {
    display: block;
    padding: 1rem 2rem;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.mobile-menu ul li a:hover {
    background: #f8f9fa;
    color: #667eea;
    padding-left: 2.5rem;
}

/* Очень маленькие экраны */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero .subtitle {
        font-size: 1rem;
    }
    
    .hero-logo img {
        width: 80px;
        height: 80px;
    }
    
    .logo span {
        font-size: 1.3rem;
    }
    
    .logo-img {
        height: 35px;
        width: 35px;
    }
    
    .features h2,
    .how-it-works h2,
    .reviews h2,
    .faq h2,
    .news h2 {
        font-size: 1.8rem;
    }
    
    .download-text h2 {
        font-size: 1.8rem;
    }
    
    .phone-mockup {
        max-width: 250px;
    }
    
    .phone-screen {
        height: 550px;
    }
}

/* Плавная прокрутка */
html {
    scroll-behavior: smooth;
}

/* Дополнительные анимации */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Улучшенный FAQ */
.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid #f0f0f0;
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.faq-question {
    padding: 1.8rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    user-select: none;
}

.faq-question h3 {
    font-size: 1.15rem;
    color: #333;
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.8rem;
    color: #667eea;
    font-weight: 300;
    transition: transform 0.3s;
    min-width: 30px;
    text-align: center;
}

/* Улучшенные новости */
.news-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border-top: 4px solid #667eea;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.news-date {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Градиентный текст для заголовков */
.features h2,
.how-it-works h2,
.reviews h2,
.faq h2,
.news h2 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-theme .features h2,
body.dark-theme .how-it-works h2,
body.dark-theme .reviews h2,
body.dark-theme .faq h2,
body.dark-theme .news h2 {
    background: linear-gradient(135deg, #8b9eff 0%, #9b7bc2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Улучшенная навигация */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s;
}

.navbar.scrolled {
    box-shadow: 0 5px 30px rgba(0,0,0,0.15);
}

/* Дополнительные эффекты для звезд */
@keyframes starRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

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

/* Эффект свечения для отзывов */
.review-card {
    animation: cardGlow 3s ease-in-out infinite;
}

@keyframes cardGlow {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }
    50% {
        box-shadow: 0 10px 30px rgba(255, 215, 0, 0.15);
    }
}

/* Градиентная анимация для границы */
@keyframes borderGlow {
    0%, 100% {
        border-left-color: #ffd700;
    }
    50% {
        border-left-color: #ffed4e;
    }
}

.review-card:hover {
    animation: borderGlow 1s ease-in-out infinite;
}

/* Улучшенный reviewer блок */
.reviewer {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

/* Эффект для имени при наведении */
.reviewer strong {
    transition: all 0.3s;
}

.review-card:hover .reviewer strong {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   ТЕМНАЯ ТЕМА
   ============================================ */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    --card-bg: #ffffff;
    --border-color: #f0f0f0;
    --shadow: rgba(0,0,0,0.1);
}

body.dark-theme {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --shadow: rgba(0,0,0,0.5);
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

.features,
.how-it-works,
.reviews,
.faq,
.news {
    background: var(--bg-secondary);
}

.feature-card,
.review-card,
.news-card,
.faq-item {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.4s ease;
}

.feature-card h3,
.review-card strong,
.news-card h3,
.faq-question h3,
.step h3 {
    color: var(--text-primary);
}

.feature-card p,
.review-text,
.news-card p,
.faq-answer p,
.step p {
    color: var(--text-secondary);
}

body.dark-theme .feature-card {
    background: linear-gradient(135deg, #2d2d3d 0%, #3a3a4a 100%);
    border: 1px solid #404050;
}

body.dark-theme .feature-card::before {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.reviewer small,
.news-date {
    color: var(--text-muted);
}

/* Кнопка переключения темы */
.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    box-shadow: 0 2px 10px var(--shadow);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

body.dark-theme .navbar {
    background: rgba(26, 26, 26, 0.98);
}

body.dark-theme .nav-menu a {
    color: var(--text-primary);
}

body.dark-theme .nav-menu a:hover {
    color: #8b9eff;
}

body.dark-theme .logo span {
    background: linear-gradient(135deg, #8b9eff 0%, #9b7bc2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-theme .footer {
    background: #0a0a0a;
}

body.dark-theme .faq-question {
    background: var(--card-bg);
}

body.dark-theme .download {
    background: linear-gradient(135deg, #4a4a6a 0%, #5a4a6a 100%);
}

body.dark-theme .hero {
    background: linear-gradient(135deg, #4a4a6a 0%, #5a4a6a 100%);
}

body.dark-theme .phone-screen {
    background: linear-gradient(180deg, #3a3a4a 0%, #2d2d3d 100%);
}

body.dark-theme .chat-messages {
    background: linear-gradient(180deg, #3a3a4a 0%, #2d2d3d 50%, #3a3a4a 100%);
}

body.dark-theme .message.received {
    background: #404050;
    color: #e0e0e0;
}

body.dark-theme .how-it-works {
    background: var(--bg-primary);
}

body.dark-theme .step {
    color: var(--text-primary);
}

body.dark-theme .step-number {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #8b9eff 0%, #9b7bc2 100%);
}

body.dark-theme .step-number::after {
    border-color: #8b9eff;
}

body.dark-theme .review-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #3a3a3a 100%);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

body.dark-theme .review-card:hover {
    box-shadow: 0 20px 50px rgba(255, 215, 0, 0.3);
}

body.dark-theme .news-card {
    background: var(--card-bg);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

body.dark-theme .download-btn {
    background: #3a3a3a;
    color: #e0e0e0;
}

body.dark-theme .btn-web {
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.6);
}

/* ============================================
   АНИМИРОВАННЫЕ ИКОНКИ
   ============================================ */

.feature-icon-animated {
    position: relative;
    display: inline-block;
}

.feature-icon-animated i {
    display: inline-block;
    transition: all 0.3s ease;
}

/* Щит - покачивание */
.feature-card:hover .fa-shield-alt {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

/* Пользователи - прыжок */
.feature-card:hover .fa-users {
    animation: bounce-icon 0.6s ease;
}

@keyframes bounce-icon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Видео - пульсация */
.feature-card:hover .fa-video {
    animation: pulse-icon 0.8s ease-in-out;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* Облако - плавание */
.feature-card:hover .fa-cloud {
    animation: float-icon 2s ease-in-out infinite;
}

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

/* Глобус - вращение */
.feature-card:hover .fa-globe {
    animation: rotate-icon 1s linear infinite;
}

@keyframes rotate-icon {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Молния - мигание */
.feature-card:hover .fa-bolt {
    animation: flash-icon 0.5s ease-in-out 3;
}

@keyframes flash-icon {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; transform: scale(1.2); }
}

/* ============================================
   СНЕЖИНКИ
   ============================================ */

.snowflakes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.snowflake {
    position: absolute;
    top: -10%;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
    animation: fall linear infinite;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

body.dark-theme .snowflake {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

@keyframes fall {
    to {
        transform: translateY(100vh) rotate(360deg);
    }
}

/* Разные позиции и скорости для снежинок */
.snowflake:nth-child(1) { left: 10%; animation-duration: 10s; animation-delay: 0s; }
.snowflake:nth-child(2) { left: 20%; animation-duration: 12s; animation-delay: 2s; font-size: 1.2rem; }
.snowflake:nth-child(3) { left: 30%; animation-duration: 8s; animation-delay: 4s; font-size: 1.8rem; }
.snowflake:nth-child(4) { left: 40%; animation-duration: 14s; animation-delay: 1s; }
.snowflake:nth-child(5) { left: 50%; animation-duration: 11s; animation-delay: 3s; font-size: 1.4rem; }
.snowflake:nth-child(6) { left: 60%; animation-duration: 9s; animation-delay: 5s; }
.snowflake:nth-child(7) { left: 70%; animation-duration: 13s; animation-delay: 0s; font-size: 1.6rem; }
.snowflake:nth-child(8) { left: 80%; animation-duration: 10s; animation-delay: 2s; }
.snowflake:nth-child(9) { left: 90%; animation-duration: 12s; animation-delay: 4s; font-size: 1.3rem; }
.snowflake:nth-child(10) { left: 15%; animation-duration: 11s; animation-delay: 1s; }
.snowflake:nth-child(11) { left: 55%; animation-duration: 9s; animation-delay: 3s; font-size: 1.7rem; }
.snowflake:nth-child(12) { left: 75%; animation-duration: 13s; animation-delay: 5s; }

/* Адаптивность для темной темы */
@media (max-width: 768px) {
    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .snowflake {
        font-size: 1rem;
    }
}

/* Запасные эмодзи если Font Awesome не загрузится */
.fa-shield-alt::before { content: '🛡️'; }
.fa-users::before { content: '👥'; }
.fa-video::before { content: '📹'; }
.fa-cloud::before { content: '☁️'; }
.fa-globe::before { content: '🌍'; }
.fa-bolt::before { content: '⚡'; }
.fa-download::before { content: '⬇️'; }
.fa-info-circle::before { content: 'ℹ️'; }
.fa-moon::before { content: '🌙'; }
.fa-sun::before { content: '☀️'; }
.fa-chevron-down::before { content: '⬇️'; }
.fa-apple::before { content: '🍎'; }
.fa-google-play::before { content: '▶️'; }
.fa-windows::before { content: '🪟'; }
.fa-smile::before { content: '😊'; }
.fa-microphone::before { content: '🎤'; }
.fa-star::before { content: '⭐'; }
.fa-vk::before { content: 'VK'; }
.fa-telegram::before { content: 'TG'; }
.fa-twitter::before { content: 'X'; }
.fa-instagram::before { content: 'IG'; }
.fa-youtube::before { content: 'YT'; }

/* Если Font Awesome загрузился, используем его иконки */
.fa-shield-alt.fa::before,
.fa-users.fa::before,
.fa-video.fa::before,
.fa-cloud.fa::before,
.fa-globe.fa::before,
.fa-bolt.fa::before,
.fa-download.fa::before,
.fa-info-circle.fa::before,
.fa-moon.fa::before,
.fa-sun.fa::before,
.fa-chevron-down.fa::before,
.fa-apple.fab::before,
.fa-google-play.fab::before,
.fa-windows.fab::before,
.fa-smile.fa::before,
.fa-microphone.fa::before,
.fa-star.fa::before,
.fa-vk.fab::before,
.fa-telegram.fab::before,
.fa-twitter.fab::before,
.fa-instagram.fab::before,
.fa-youtube.fab::before {
    content: '' !important;
}

/* Стили для эмодзи иконок */
.btn {
    padding: 18px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.chat-input span:not(.chat-emoji):not(.chat-mic) {
    flex: 1;
    color: #999;
    font-size: 0.95rem;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   УЛУЧШЕНИЯ ДЛЯ TOUCH-УСТРОЙСТВ
   ============================================ */

/* Увеличенные области нажатия */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .download-btn,
    .btn-web,
    .faq-question,
    .nav-menu a,
    .mobile-menu a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .social-links a {
        min-width: 48px;
        min-height: 48px;
    }
    
    /* Убрать hover эффекты на touch */
    .feature-card:hover,
    .review-card:hover,
    .news-card:hover {
        transform: none;
    }
    
    /* Активное состояние при нажатии */
    .btn:active {
        transform: scale(0.95);
    }
    
    .feature-card:active {
        transform: scale(0.98);
    }
}

/* Горизонтальная ориентация на мобильных */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 50px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-logo img {
        width: 80px;
        height: 80px;
    }
    
    .hero-scroll {
        display: none;
    }
}

/* Предотвращение случайного зума */
input, select, textarea {
    font-size: 16px;
}

/* Плавная прокрутка на iOS */
body {
    -webkit-overflow-scrolling: touch;
}

/* Убрать выделение при нажатии на iOS */
* {
    -webkit-tap-highlight-color: rgba(102, 126, 234, 0.1);
}
