html {
    scroll-behavior: smooth;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* ===== СЕКЦИЯ 1: HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 20px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.9) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin-bottom: 50px;
}

.hero h1 {
    font-size: 3.5em;
    color: white;
    margin-bottom: 30px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.4);
    line-height: 1.2;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 2.5em;
    color: #2d3748;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px 50px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    font-weight: 700;
}

.hero-description {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px 50px;
    border-radius: 20px;
    color: #333;
    font-size: 1.4em;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    line-height: 1.6;
    font-weight: 600;
}

.hero-content strong {
    color: #667eea;
    font-size: 1 em;
    font-weight: 900;
}

.hero-description strong {
    color: #667eea;
    font-size: 1.2em;
    font-weight: 700;
}

/* ===== КНОПКА ===== */
.scroll-button {
    position: relative;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    color: #667eea;
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.3em;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: bounce 2s infinite;
    margin-top: 50px;
    cursor: pointer;
    border: none;
    outline: none;
}

.scroll-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.scroll-button:active {
    transform: translateY(-2px) scale(1.02);
}

.scroll-button span:first-child,
.scroll-button span:last-child {
    font-size: 1.5em;
    animation: arrowBounce 1.5s infinite;
}

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

@keyframes arrowBounce {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(5px);
    }
}

/* ===== СЕКЦИЯ 2: ПОЧЕМУ ===== */
.why-section {
    padding: 100px 20px;
    background: #ffffff;
    display: flex;
    align-items: center;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.why-section h2 {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 50px;
    text-align: center;
    font-weight: 800;
}

.why-content {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    justify-content: center;
}

.why-text {
    flex: 1;
    min-width: 300px;
    font-size: 1.2em;
    color: #666;
    line-height: 1.8;
    font-weight: 600;
}

.why-icon {
    width: 150px;
    height: 167px;
    object-fit: contain;
    flex-shrink: 0;
}

/* ===== СЕКЦИЯ 3: FEATURES ===== */
.features {
    background: #667eea;
    padding: 100px 20px;
    display: flex;
    align-items: center;
}

.features h2 {
    text-align: center;
    font-size: 2.5em;
    color: white;
    margin-bottom: 50px;
    font-weight: 800;
}

.features-list {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 25px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    color: white;
    font-size: 1.2em;
    backdrop-filter: blur(10px);
    font-weight: 600;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.2);
}

.checkmark {
    width: 45px;
    height: 45px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 24px;
    flex-shrink: 0;
    font-weight: 700;
}

/* ===== СЕКЦИЯ 4: 10 СПОСОБОВ ===== */
.methods {
    padding: 100px 20px;
    background: white;
    display: flex;
    align-items: center;
}

.methods h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 50px;
    color: #333;
    font-weight: 800;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.method-item {
    display: flex;
    align-items: center;
    padding: 25px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    transition: all 0.3s ease;
    gap: 20px;
}

.method-item:hover {
    transform: translateX(10px);
    border-color: #667eea;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
}

.method-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    flex-shrink: 0;
}

.method-text {
    color: #667eea;
    font-weight: 700;
    font-size: 1.1em;
    line-height: 1.4;
}

/* ===== СЕКЦИЯ 5: CTA ===== */
.cta {
    background: #667eea;
    padding: 100px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta h2 {
    text-align: center;
    font-size: 2.5em;
    color: white;
    margin-bottom: 50px;
    font-weight: 800;
}

.cta-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: flex;
    align-items: center;
    gap: 15px;
    background: white;
    color: #667eea;
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border: 2px solid white;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    flex-shrink: 0;
}

.cta-button.max:hover {
    background: #000;
    color: white;
    border-color: #000;
}

.cta-button.telegram:hover {
    background: #0088cc;
    color: white;
    border-color: #0088cc;
}

.cta-button.vk:hover {
    background: #4a76a8;
    color: white;
    border-color: #4a76a8;
}

/* ===== FOOTER ===== */
.footer {
    background: white;
    padding: 40px 20px 40px;
    border-top: 50px solid #667eea;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 40px;
}

.footer-left {
    justify-self: start;
}

.footer-left h3 {
    font-size: 1.8em;
    color: #667eea;
    font-weight: 700;
    margin: 0;
}

.footer-center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-copyright {
    font-size: 0.95em;
    color: #666;
    font-weight: 500;
    margin: 0;
}

.footer-privacy-link {
    font-size: 0.9em;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.footer-privacy-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.footer-additional {
    font-size: 0.8em;
    color: #999;
    margin: 5px 0 0;
    font-style: italic;
}

.footer-right {
    justify-self: end;
    text-align: center;
}

.footer-social-title {
    font-size: 0.85em;
    color: #667eea;
    margin-bottom: 12px;
    font-weight: 600;
}

.social-icons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
}

.social-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* ============================================
   ===== АДАПТИВНОСТЬ (MEDIA QUERIES) =====
   ============================================ */

/* 📱 Планшеты (768px - 1024px) */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3em;
    }
    
    .hero-subtitle {
        font-size: 2.2em;
        padding: 25px 40px;
    }
    
    .hero-description {
        font-size: 1.3em;
        padding: 25px 40px;
    }
    
    .why-section h2,
    .features h2,
    .methods h2,
    .cta h2 {
        font-size: 2.2em;
    }
    
    .footer-container {
        gap: 30px;
    }
}

/* 📱 Планшеты портретные и большие телефоны (768px) */
@media (max-width: 768px) {
    .hero {
        padding: 40px 15px;
    }
    
    .hero h1 {
        font-size: 2.2em;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1.6em;
        padding: 20px 30px;
        margin-bottom: 20px;
    }
    
    .hero-description {
        font-size: 1.1em;
        padding: 20px 30px;
        margin-bottom: 30px;
    }
    
    .scroll-button {
        font-size: 1.1em;
        padding: 18px 40px;
        margin-top: 30px;
    }
    
    .scroll-button span:first-child,
    .scroll-button span:last-child {
        font-size: 1.3em;
    }
    
    .why-section {
        padding: 80px 15px;
    }
    
    .why-section h2 {
        font-size: 1.9em;
        margin-bottom: 40px;
    }
    
    .why-text {
        font-size: 1.05em;
        min-width: auto;
        text-align: center;
    }
    
    .why-icon {
        width: 120px;
        height: 134px;
    }
    
    .features {
        padding: 80px 15px;
    }
    
    .features h2 {
        font-size: 1.9em;
        margin-bottom: 40px;
    }
    
    .feature-item {
        font-size: 1.05em;
        padding: 20px;
    }
    
    .checkmark {
        width: 40px;
        height: 40px;
        font-size: 20px;
        margin-right: 15px;
    }
    
    .methods {
        padding: 80px 15px;
    }
    
    .methods h2 {
        font-size: 1.9em;
        margin-bottom: 40px;
    }
    
    .methods-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .method-item {
        padding: 20px;
    }
    
    .method-icon {
        width: 50px;
        height: 50px;
    }
    
    .method-text {
        font-size: 1em;
    }
    
    .cta {
        padding: 80px 15px;
    }
    
    .cta h2 {
        font-size: 1.9em;
        margin-bottom: 40px;
    }
    
    .cta-buttons {
        gap: 15px;
    }
    
    .cta-button {
        padding: 16px 30px;
        font-size: 1em;
    }
    
    .cta-icon {
        width: 35px;
        height: 35px;
    }
    
    .footer {
        padding: 30px 15px 30px;
        border-top: 40px solid #667eea;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-left {
        justify-self: center;
    }
    
    .footer-left h3 {
        font-size: 1.5em;
    }
    
    .footer-right {
        justify-self: center;
    }
    
    .social-icon {
        width: 35px;
        height: 35px;
    }
}

/* 📱 Мобильные телефоны (480px) */
@media (max-width: 480px) {
    .hero {
        padding: 30px 15px;
    }
    
    .hero h1 {
        font-size: 1.8em;
    }
    
    .hero-subtitle {
        font-size: 1.3em;
        padding: 15px 20px;
    }
    
    .hero-description {
        font-size: 1em;
        padding: 15px 20px;
    }
    
    .scroll-button {
        font-size: 0.95em;
        padding: 15px 30px;
        gap: 10px;
    }
    
    .scroll-button span:first-child,
    .scroll-button span:last-child {
        font-size: 1.1em;
    }
    
    .why-section {
        padding: 60px 15px;
    }
    
    .why-section h2 {
        font-size: 1.6em;
        margin-bottom: 30px;
    }
    
    .why-content {
        gap: 30px;
    }
    
    .why-text {
        font-size: 0.95em;
        line-height: 1.6;
    }
    
    .why-icon {
        width: 100px;
        height: 111px;
    }
    
    .features {
        padding: 60px 15px;
    }
    
    .features h2 {
        font-size: 1.6em;
        margin-bottom: 30px;
    }
    
    .feature-item {
        font-size: 0.95em;
        padding: 15px;
    }
    
    .checkmark {
        width: 35px;
        height: 35px;
        font-size: 18px;
        margin-right: 12px;
    }
    
    .methods {
        padding: 60px 15px;
    }
    
    .methods h2 {
        font-size: 1.6em;
        margin-bottom: 30px;
    }
    
    .method-item {
        padding: 15px;
        gap: 15px;
    }
    
    .method-icon {
        width: 45px;
        height: 45px;
    }
    
    .method-text {
        font-size: 0.95em;
    }
    
    .cta {
        padding: 60px 15px;
    }
    
    .cta h2 {
        font-size: 1.5em;
        margin-bottom: 30px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .cta-button {
        width: 100%;
        max-width: 300px;
        padding: 14px 25px;
        font-size: 0.95em;
        justify-content: center;
    }
    
    .cta-icon {
        width: 30px;
        height: 30px;
    }
    
    .footer {
        padding: 25px 15px 25px;
        border-top: 30px solid #667eea;
    }
    
    .footer-left h3 {
        font-size: 1.3em;
    }
    
    .footer-copyright {
        font-size: 0.85em;
    }
    
    .footer-privacy-link {
        font-size: 0.8em;
    }
    
    .footer-additional {
        font-size: 0.75em;
    }
    
    .social-icons {
        gap: 10px;
    }
    
    .social-icon {
        width: 32px;
        height: 32px;
    }
}

/* 📱 Маленькие телефоны (320px - 400px) */
@media (max-width: 400px) {
    .hero h1 {
        font-size: 1.6em;
    }
    
    .hero-subtitle {
        font-size: 1.15em;
        padding: 12px 15px;
    }
    
    .hero-description {
        font-size: 0.9em;
        padding: 12px 15px;
    }
    
    .scroll-button {
        font-size: 0.9em;
        padding: 12px 25px;
    }
    
    .why-section h2,
    .features h2,
    .methods h2,
    .cta h2 {
        font-size: 1.4em;
    }
    
    .why-text,
    .feature-item,
    .method-text {
        font-size: 0.9em;
    }
    
    .why-icon {
        width: 80px;
        height: 89px;
    }
    
    .method-icon {
        width: 40px;
        height: 40px;
    }
    
    .footer-left h3 {
        font-size: 1.1em;
    }
    
    .social-icon {
        width: 28px;
        height: 28px;
    }
}

/* 🖥️ Большие экраны (1200px+) */
@media (min-width: 1200px) {
    .hero h1 {
        font-size: 4em;
    }
    
    .hero-subtitle {
        font-size: 2.8em;
    }
    
    .hero-description {
        font-size: 1.6em;
    }
}