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

:root {
    --brand-gold: #ddad00;
    --dark-bg: #222222;
    --text-base: #333333;
    --bg-gray: #f5f5f5;
    --bg-white: #ffffff;
    --link-hover: #c59a00;
    --border-gray: #e0e0e0;
    --font-family: 'Arial', 'Helvetica Neue', sans-serif;
    --space-xs: 10px;
    --space-sm: 20px;
    --space-md: 40px;
    --space-lg: 60px;
    --ease-default: 0.3s ease;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-base);
    background: var(--bg-white);
}

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

/* Header */
.page-header {
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: var(--color-secondary);
    transition: all 0.3s;
}

.logo-link img {
    max-height: 50px;
    width: auto;
}

.header-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.header-contacts-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.site-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--color-secondary);
    text-decoration: none;
}

.contact-phone,
.contact-email {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
}

.contact-phone:hover,
.contact-email:hover {
    color: var(--color-primary);
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 25px;
    flex-wrap: wrap;
}

.main-navigation a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s;
}

.main-navigation a:hover {
    color: var(--color-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-buttons {
    display: flex;
    gap: 10px;
}

.social-btn {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
    border-radius: 50%;
    color: var(--color-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.social-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.call-btn {
    padding: 10px 20px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.call-btn:hover {
    background: #c59a00;
}

/* Banner Section */
.banner-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #c59a00 100%);
    color: var(--color-white);
    padding: 80px 0;
    text-align: center;
}

.banner-title {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: bold;
}

.banner-price {
    font-size: 24px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.banner-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-light);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* Products Section */
.products-section {
    padding: 60px 0;
    background: var(--color-light);
}

.section-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-secondary);
}

.products-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-item {
    background: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.product-photo {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-light);
}

.product-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-details {
    padding: 20px;
}

.product-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--color-secondary);
}

.buy-button {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

.buy-button:hover {
    background: #c59a00;
}

/* Info Section */
.info-section {
    padding: 60px 0;
}

.info-text {
    max-width: 900px;
    margin: 0 auto;
}

.info-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.info-text h3 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: var(--color-secondary);
}

.info-text strong {
    color: var(--color-primary);
}

/* Process Section */
.process-section {
    padding: 60px 0;
    background: var(--color-light);
}

.process-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.process-item {
    background: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.process-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.process-name {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.process-desc {
    color: var(--color-text);
    line-height: 1.6;
}

/* Article Content Section */
.article-content-section {
    padding: 60px 0;
}

.article-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.article-title {
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--color-secondary);
}

.article-text {
    line-height: 1.8;
    margin-bottom: 30px;
}

.related-articles,
.internal-links {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--color-light);
}

.related-articles h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--color-secondary);
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background: var(--color-light);
}

.section-subtitle {
    text-align: center;
    margin-bottom: 40px;
    font-size: 18px;
    color: var(--color-text);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.form-field {
    margin-bottom: 20px;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-light);
    border-radius: 5px;
    font-size: 16px;
    font-family: var(--font-main);
    transition: border-color 0.3s;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.form-checkbox input {
    width: auto;
}

.submit-button {
    width: 100%;
    padding: 15px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-button:hover {
    background: #c59a00;
}

/* Footer */
.page-footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-block h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-block p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-block a {
    color: var(--color-white);
    text-decoration: none;
}

.footer-callback {
    margin-top: 15px;
    padding: 10px 20px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.footer-callback:hover {
    background: #c59a00;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* Floating Button */
.floating-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

#main-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: var(--color-white);
    border: none;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s;
}

#main-button:hover {
    transform: scale(1.1);
}

.button-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.button-options.show {
    opacity: 1;
    visibility: visible;
}

.button-options a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.button-options a:hover {
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .header-center {
        display: none;
    }

    .banner-title {
        font-size: 28px;
    }

    .banner-price {
        font-size: 18px;
    }

    .section-title {
        font-size: 24px;
    }

    .products-wrapper {
        grid-template-columns: 1fr;
    }

    .process-list {
        grid-template-columns: 1fr;
    }

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

    .contact-form {
        padding: 20px;
    }
}