/* VARIABLES & ROOT */
:root {
    /* Colors */
    --clr-bg: #FDFBF7;
    --clr-bg-muted: #F5F3ED;
    --clr-text: #2C2A29;
    --clr-text-muted: #7A7671;
    --clr-accent-green: #4CAF50;
    --clr-accent-pink: #E91E63;
    --clr-accent-purple: #9C27B0;
    --clr-white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;
    --font-signature: 'Signature', 'Marck Script', cursive;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --ts-fast: 0.2s ease-out;
    --ts-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    color: var(--clr-text);
    background-color: var(--clr-bg);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

img, svg {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--ts-fast);
}

/* TYPOGRAPHY */
h1, h2, h3, h4, .font-heading {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.1;
    color: var(--clr-text);
}

.hero-title { font-size: clamp(3.5rem, 8vw, 6rem); letter-spacing: -0.02em; margin-bottom: var(--space-md); }
.section-title { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: var(--space-md); }
.form-title { font-size: 2rem; margin-bottom: var(--space-md); }

.mt-2 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-md); }
.text-center { text-align: center; }
.text-muted { color: var(--clr-text-muted); }
.w-100 { width: 100%; }

/* LAYOUT */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: var(--space-xl) 0;
}

.grid-50-50 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.flex-between { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-sm); }

/* HEADER */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-sm) 5%;
    z-index: 100;
    transition: background-color var(--ts-fast), padding var(--ts-fast);
}

.site-header.scrolled, .site-header.solid-bg {
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo img, .logo svg {
    height: 40px;
    width: auto;
}

.main-nav {
    display: flex;
    gap: var(--space-md);
}

.main-nav a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--clr-text);
    transition: width var(--ts-fast);
}

.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 5%;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(253,251,247,0.9) 0%, rgba(253,251,247,0.2) 100%);
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: slowZoom 20s linear infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.hero-content {
    max-width: 600px;
}

.hero-subtitle {
    display: block;
    font-family: var(--font-signature);
    font-size: 1.8rem;
    color: #2E7D32;
    font-weight: 400;
    margin-bottom: var(--space-xs);
    opacity: 0.6;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 80%;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--ts-fast);
}

.btn-primary {
    background-color: var(--clr-text);
    color: var(--clr-bg);
}

.btn-primary:hover {
    background-color: var(--clr-accent-green);
}

.btn-link {
    border-bottom: 1px solid var(--clr-text);
    padding: 0.2rem 0;
}

.btn-link:hover {
    color: var(--clr-accent-green);
    border-color: var(--clr-accent-green);
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}
.btn-icon:hover {
    background-color: var(--clr-text);
    color: var(--clr-bg);
}

/* SECTIONS */
.bg-muted { background-color: var(--clr-bg-muted); }

.ideology-image img {
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

/* CLIENTS */
.clients-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.clients-title,
.clients-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.1;
    color: var(--clr-text);
    margin: 0;
    font-weight: 500;
}
.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-top: var(--space-md);
}

.client-item {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--clr-text-muted);
}

/* MATERIALS */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.material-card img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    margin-bottom: var(--space-sm);
    border: none;
}
.material-card h4 { font-family: var(--font-body); font-size: 1.1rem; margin-bottom: 0.5rem;}
.material-card p { font-size: 0.9rem; color: var(--clr-text-muted); }

/* CATALOG PREVIEW */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}

.product-card {
    background: var(--clr-bg);
    padding: var(--space-sm);
    transition: transform var(--ts-fast);
    position: relative;
    overflow: hidden;
}

.product-form-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(253, 251, 247, 0.98);
    backdrop-filter: blur(4px);
    z-index: 10;
    display: flex;
    flex-direction: column;
    padding: var(--space-sm);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--ts-fast);
}

.product-form-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.quick-order-overlay {
    position: absolute;
    inset: 0;
    background: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(5px);
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--ts-fast);
    overflow-y: auto;
}

.quick-order-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.close-quick-order {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--clr-text-muted);
    line-height: 1;
    z-index: 21;
    transition: color var(--ts-fast);
}

.close-quick-order:hover {
    color: var(--clr-accent-green);
}

.quick-form {
    width: 100%;
    padding: 1.5rem;
    box-shadow: none;
    background: transparent;
}

.quick-form h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    text-align: center;
    font-family: var(--font-heading);
}

.quick-form .input-group {
    margin-bottom: 0.5rem;
}

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

.product-image img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    background-color: var(--clr-bg-muted);
}

.product-info {
    padding: var(--space-sm) 0;
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--clr-text-muted);
}

/* LISTS */
.custom-list {
    list-style: none;
}
.custom-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}
.custom-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background-color: var(--clr-accent-green);
    border-radius: 50%;
}

/* FORMS */
.custom-form {
    background-color: var(--clr-white);
    padding: var(--space-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.input-group {
    position: relative;
    margin-bottom: var(--space-md);
}

.input-group input, .input-group textarea, .input-group select {
    width: 100%;
    padding: 1rem 0 0.5rem;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,0.2);
    background: transparent;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color var(--ts-fast);
    color: var(--clr-text);
}

.input-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' width='16' height='16' fill='none' stroke='%232C2A29' stroke-width='1.5' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right top 1.2rem;
    padding-right: 1.5rem;
    cursor: pointer;
}

.input-group input:focus, .input-group textarea:focus, .input-group select:focus {
    border-bottom-color: var(--clr-accent-green);
}

.input-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    color: var(--clr-text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.2s ease;
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:not(:placeholder-shown) ~ label,
.input-group select:focus ~ label,
.input-group select:valid ~ label {
    top: -0.5rem;
    font-size: 0.75rem;
    color: var(--clr-text);
}

/* Custom Checkbox */
.checkbox-group {
    margin-bottom: var(--space-sm);
}

.custom-checkbox {
    display: flex;
    align-items: flex-start;
    position: relative;
    cursor: pointer;
    user-select: none;
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    min-width: 16px;
    height: 16px;
    border: 1px solid rgba(0,0,0,0.2);
    margin-right: 10px;
    margin-top: 2px;
    transition: all 0.2s;
}

.custom-checkbox:hover input ~ .checkmark {
    border-color: var(--clr-accent-green);
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--clr-accent-green);
    border-color: var(--clr-accent-green);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.custom-checkbox a { text-decoration: underline; }

/* INNER PAGE SPECIFICS */
.inner-layout-wrapper {
    /* Эти классы контролируют всё отображение контейнера ДО начала контента */
    width: 90%;
    margin: 0 auto;
    padding-top: calc(var(--space-xl) + 60px); /* Учет шапки */
}

.layout-narrow {
    max-width: 800px; /* Жесткое ограничение ширины для удобочитаемости статьи */
}

.article-header { text-align: center; margin-bottom: var(--space-md); }
.article-meta { display: flex; justify-content: center; gap: var(--space-sm); font-size: 0.85rem; color: var(--clr-text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-sm); }
.category { color: var(--clr-accent-green); }
.article-title { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: var(--space-md); }

.article-image { margin-bottom: var(--space-md); }
.article-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-image figcaption { font-size: 0.85rem; color: var(--clr-text-muted); text-align: center; margin-top: 0.5rem; }

.article-body { font-size: 1.1rem; line-height: 1.8; }
.article-body p { margin-bottom: 1.5rem; }
.article-body .lead { font-size: 1.25rem; font-weight: 400; color: var(--clr-text); }
.article-body h2 { font-size: 2rem; margin: 2rem 0 1rem; }
.article-body ul { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.article-body li { margin-bottom: 0.5rem; }
.article-body blockquote { font-family: var(--font-heading); font-size: 1.8rem; line-height: 1.4; color: var(--clr-accent-green); margin: 3rem 0; padding-left: 2rem; border-left: 2px solid var(--clr-accent-green); }

.article-cta { padding: var(--space-md); text-align: center; }
.share-block { font-size: 0.85rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.share-block a { margin-left: 1rem; color: var(--clr-text-muted); }

/* FOOTER */
.site-footer {
    background-color: var(--clr-text);
    color: var(--clr-white);
    padding: var(--space-lg) 0 var(--space-sm);
}

.site-footer a { color: var(--clr-white); }
.site-footer .logo img { filter: invert(1); }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.footer-desc { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

.footer-menu { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-menu a { font-size: 0.9rem; opacity: 0.8; }
.footer-menu a:hover { opacity: 1; color: var(--clr-accent-green); }

.footer-contacts { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; }
.contact-link { font-family: var(--font-heading); font-size: 1.2rem; }
.contact-text { font-size: 0.9rem; opacity: 0.6; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

.privacy-link:hover { text-decoration: underline; }

/* ANIMATIONS */
.fade-element {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--ts-slow), transform var(--ts-slow);
}
.fade-element.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

/* RESPONSIVE */
@media (max-width: 900px) {
    .grid-50-50, .clients-grid, .materials-grid, .catalog-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-text { max-width: 100%; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .footer-contacts { align-items: flex-start; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .main-nav { display: none; /* Простая мобильная навигация подразумевается через отдельный скрипт/бургер, здесь скрываем для чистоты базового вида */ }
}
/* --- Smart Hub Styles (Avant-Garde/Minimalism) --- */
.smart-hub {
    margin-top: 4rem;
    margin-bottom: 4rem;
}

.hub-controls {
    margin-bottom: 2rem;
}

.hub-search {
    position: relative;
    max-width: 400px;
}

.hub-search input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

.hub-search input:focus {
    outline: none;
    border-color: #333;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.hub-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

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

.hub-card {
    background: transparent;
    border: 1px solid rgba(128, 128, 128, 0.3);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 400px;
}

.hub-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
}

.hub-card__link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.hub-card__image-wrapper {
    height: 200px;
    overflow: hidden;
    position: relative;
    background: #f5f5f5;
}

.hub-card__image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hub-card:hover .hub-card__image-wrapper img {
    transform: scale(1.05);
}

/* Pattern Thumbnails */
.hub-card__image-wrapper.pattern-0 {
    background: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 99%, #FECFEF 100%);
}

.hub-card__image-wrapper.pattern-1 {
    background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
}

.hub-card__image-wrapper.pattern-2 {
    background: linear-gradient(to top, #cfd9df 0%, #e2ebf0 100%);
}

.hub-card__image-wrapper.pattern-3 {
    background: linear-gradient(120deg, #d4fc79 0%, #96e6a1 100%);
}

.hub-card__image-wrapper.pattern-4 {
    background: linear-gradient(to right, #4facfe 0%, #00f2fe 100%);
}

.hub-card__image-wrapper.pattern-5 {
    background: linear-gradient(to right, #43e97b 0%, #38f9d7 100%);
}

.hub-card__image-wrapper.pattern-6 {
    background: linear-gradient(to top, #30cfd0 0%, #330867 100%);
}

.hub-card__image-wrapper.pattern-7 {
    background: linear-gradient(to right, #fa709a 0%, #fee140 100%);
}

.hub-card__image-wrapper.pattern-8 {
    background: linear-gradient(to top, #5ee7df 0%, #b490ca 100%);
}

.hub-card__image-wrapper.pattern-9 {
    background: linear-gradient(to right, #f78ca0 0%, #f9748f 19%, #fd868c 60%, #fe9a8b 100%);
}

.hub-card__content {
    padding: 1.5rem;
}

.hub-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: inherit;
    line-height: 1.4;
}

.hub-card__excerpt {
    font-size: 0.9rem;
    color: inherit;
    opacity: 0.8;
    line-height: 1.6;
}

.hub-footer {
    margin-top: 3rem;
    text-align: center;
}

/* Related Posts */
.related-posts {
    margin-top: 4rem;
    margin-bottom: 6rem;
    padding-top: 2rem;
    border-top: 1px solid #eaeaea;
}

.related-posts__heading {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.related-posts__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    justify-content: center;
}

.related-post-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    padding: 1rem;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.related-post-card:hover {
    background: rgba(128, 128, 128, 0.05);
}

.related-post-card__image {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: #eee;
}

.related-post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-post-card__title {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
}

/* Utilities */
.btn-clean {
    background: none;
    border: 1px solid #333;
    padding: 10px 24px;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-clean:hover {
    background: #333;
    color: #fff;
}