/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo h1 {
    color: #2563eb;
    font-size: 1.8rem;
    font-weight: 700;
}

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

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

.nav a:hover {
    color: #2563eb;
}

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

.header-contact .phone {
    text-decoration: none;
    color: #2563eb;
    font-weight: 600;
    font-size: 1.1rem;
}

.header-messengers {
    display: flex;
    gap: 0.8rem;
}

.messenger-link {
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.messenger-link .fa-whatsapp {
    color: #25D366; /* Стандартный зеленый WhatsApp */
}

.messenger-link .fa-telegram {
    color: #0088cc; /* Стандартный голубой Telegram */
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
}

.feature i {
    font-size: 1.3rem;
    color: #10b981;
}

.cta-button {
    background: #10b981;
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #059669;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.placeholder-image {
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    backdrop-filter: blur(10px);
}

.placeholder-image i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #10b981;
}

.placeholder-image p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Advantages */
.advantages {
    padding: 80px 0;
    background: #f8fafc;
}

.advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.advantage-icon i {
    font-size: 2rem;
    color: white;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.advantage-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Products */
.products {
    padding: 80px 0;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

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

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.product-image {
    width: 100px;
    height: 100px;
    background: #f1f5f9;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.product-image i {
    font-size: 2.5rem;
    color: #2563eb;
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.product-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Process */
.process {
    padding: 80px 0;
    background: #f8fafc;
}

.process h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

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

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

.step-number {
    width: 60px;
    height: 60px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.step p {
    color: #6b7280;
    line-height: 1.6;
}

/* Contacts */
.contacts {
    padding: 80px 0;
}

.contacts h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

.contacts-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    transition: color 0.3s ease, transform 0.2s ease;
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: #2563eb;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Contact links */
.contact-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.contact-link:hover {
    color: #2563eb;
}

.contact-link:active {
    transform: translateX(2px);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: #2563eb;
}

.contact-form button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #1d4ed8;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close:hover {
    color: #000;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav a {
        padding: 0.8rem 1rem;
        border-bottom: 1px solid #f1f5f9;
    }

    .nav a:last-child {
        border-bottom: none;
    }

    .header-contact {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: left;
        gap: 2rem;
    }

    .hero-content button {
        text-align: center;
    }

    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-features {
        align-items: flex-start;
        gap: 1rem;
    }

    .feature {
        flex-direction: row;
        text-align: left;
        gap: 0.8rem;
    }

    .feature i {
        font-size: 1.3rem;
    }

    .feature span {
        font-size: 0.95rem;
    }

    .hero-image {
        display: none;
    }

    .contacts-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .advantages-grid,
    .products-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .advantage-card,
    .product-card,
    .step {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}