/* ФАСЕТТА — тёмный премиум-минимализм с синим акцентом */

:root {
  --bg: #f4f6fa;
  --bg-alt: #e9ecf3;
  --surface: #ffffff;
  --ink: #12141c;
  --ink-soft: #4c5262;
  --muted: #838a99;
  --line: #e1e4ec;
  --accent: #2954e8;
  --accent-dark: #1d3eb8;
  --accent-tint: #e7ecfc;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(18, 20, 28, 0.08);
  --shadow-md: 0 16px 40px -18px rgba(18, 20, 28, 0.32);
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --container: 1200px;
  --header-h: 116px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; letter-spacing: 0.01em; }
h1 { font-size: clamp(2.4rem, 4.5vw, 3.6rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.muted { color: var(--muted); font-size: 0.9em; }

a, button, summary, .gallery-card, [data-cursor] { cursor: pointer; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 12px 18px; z-index: 1000; }
.skip-link:focus { left: 12px; top: 12px; }

/* Кнопки */
.btn { appearance: none; -webkit-appearance: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; font-size: 0.95rem; font-family: inherit; border: 1px solid transparent; background: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-dark); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn--sm { padding: 10px 18px; font-size: 0.85rem; }

/* Topline */
.topline { background: var(--ink); color: #d8d2c6; font-size: 0.8rem; }
.topline__row { display: flex; justify-content: space-between; align-items: center; padding: 8px 24px; flex-wrap: wrap; gap: 6px; }
.topline__right { display: flex; gap: 20px; flex-wrap: wrap; }
.topline a:hover { color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 90; background: rgba(250, 248, 245, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: box-shadow .25s ease; }
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.site-header__row { display: flex; align-items: center; gap: 28px; padding: 16px 24px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.logo__mark { color: var(--accent); flex-shrink: 0; }
.logo__text { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 0.08em; font-weight: 600; }
.main-nav { flex: 1; }
.main-nav > ul { display: flex; gap: 2px; flex-wrap: wrap; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a { display: block; padding: 12px 14px; font-size: 0.92rem; font-weight: 600; border-radius: var(--radius); }
.main-nav > ul > li > a:hover { color: var(--accent-dark); background: var(--accent-tint); }
.dropdown { position: absolute; top: 100%; left: 0; min-width: 300px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 10px; opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s ease, transform .18s ease; }
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown ul { display: grid; gap: 2px; }
.dropdown a { display: block; padding: 9px 12px; border-radius: var(--radius); font-size: 0.9rem; }
.dropdown a:hover { background: var(--accent-tint); color: var(--accent-dark); }
.header-cta { white-space: nowrap; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); align-items: center; justify-content: center; }
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: stretch; border-bottom: 1px solid var(--line); }
.hero__media { position: relative; }
.hero__content { display: flex; flex-direction: column; justify-content: center; padding: 64px 24px; }
.hero__lead { font-size: 1.1rem; max-width: 46ch; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* Изображения-плейсхолдеры */
.ph-image { position: relative; display: block; aspect-ratio: var(--ar, 4/3); overflow: hidden; background: var(--bg-alt); border-radius: var(--radius); }
.ph-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
a:hover > .ph-image img, .gallery-card:hover .ph-image img { transform: scale(1.04); }
.ph-image__empty { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; flex-direction: column; gap: 8px; color: var(--muted); background: repeating-linear-gradient(135deg, var(--bg-alt), var(--bg-alt) 10px, #ece6da 10px, #ece6da 20px); font-size: 0.8rem; text-align: center; padding: 10px; }
.ph-image__empty em { font-style: normal; }

/* Плитка каталога */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.tile__body { display: block; padding: 16px; }
.tile__body strong { display: block; font-size: 1rem; margin-bottom: 4px; }
.tile__body span { color: var(--muted); font-size: 0.85rem; }

/* Секции общие */
section.block { padding: 72px 0; }
section.block.alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head .eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.75rem; color: var(--accent); font-weight: 700; }

/* Таблица классов */
.price-table { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.price-table__row { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; }
.price-table__row h3 { color: var(--accent-dark); margin-bottom: 8px; }

/* Преимущества (аккордеон) */
.advantages { display: grid; gap: 10px; }
.advantage { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 4px 20px; transition: border-color .2s ease; }
.advantage:hover { border-color: var(--accent); }
.advantage summary { list-style: none; display: flex; align-items: center; gap: 16px; padding: 16px 0; font-weight: 700; font-size: 1.05rem; }
.advantage summary::-webkit-details-marker { display: none; }
.advantage__num { color: var(--accent); font-family: var(--font-display); font-size: 1.4rem; }
.advantage p { padding-bottom: 16px; margin: 0; }

/* Этапы работы */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.steps__item { border-top: 2px solid var(--accent); padding-top: 16px; }
.steps__num { font-family: var(--font-display); font-size: 2rem; color: var(--accent); display: block; }

/* Отзывы */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testimonial { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; margin: 0; transition: transform .2s ease, box-shadow .2s ease; }
.testimonial:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.testimonial blockquote { margin: 0 0 16px; color: var(--ink); }
.testimonial figcaption strong { display: block; }
.testimonial figcaption span { color: var(--muted); font-size: 0.85rem; }
.testimonials__note { text-align: center; color: var(--muted); font-size: 0.85rem; margin-top: 18px; }

/* FAQ */
.faq-accordion { display: grid; gap: 10px; max-width: 860px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 4px 20px; transition: border-color .2s ease; }
.faq-item:hover { border-color: var(--accent); }
.faq-item summary { list-style: none; padding: 16px 0; font-weight: 600; position: relative; padding-right: 30px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 14px; font-size: 1.4rem; color: var(--accent); transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__answer { padding-bottom: 18px; }

/* Хлебные крошки */
.breadcrumbs { padding: 18px 0; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; font-size: 0.85rem; color: var(--muted); }
.breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 6px; }
.breadcrumbs a:hover { color: var(--accent-dark); }

/* Галерея */
.gallery-filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.gallery-filters button { padding: 9px 16px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); font-size: 0.85rem; font-weight: 600; }
.gallery-filters button.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin: 0; transition: transform .2s ease, box-shadow .2s ease; }
.gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.gallery-card__zoom { position: relative; display: block; }
.gallery-card__num { position: absolute; top: 10px; left: 10px; background: rgba(28,26,23,0.72); color: #fff; font-size: 0.72rem; padding: 3px 9px; border-radius: 20px; }
.gallery-card figcaption { padding: 14px 16px; }
.gallery-card figcaption a { font-weight: 700; display: block; margin-bottom: 4px; }
.gallery-card figcaption a:hover { color: var(--accent-dark); }
.gallery-card figcaption span { color: var(--muted); font-size: 0.85rem; }

.lightbox { position: fixed; inset: 0; background: rgba(20, 18, 15, 0.92); display: flex; align-items: center; justify-content: center; z-index: 200; }
.lightbox[hidden] { display: none; }
.lightbox__img { max-width: 88vw; max-height: 84vh; border-radius: var(--radius); }
.lightbox__close, .lightbox__prev, .lightbox__next { position: absolute; background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.3); border-radius: 50%; width: 48px; height: 48px; font-size: 1.5rem; }
.lightbox__close { top: 24px; right: 24px; }
.lightbox__prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox__count { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 0.85rem; }

/* Попап заявки */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal__overlay { position: absolute; inset: 0; background: rgba(18, 20, 28, 0.6); backdrop-filter: blur(2px); animation: modal-fade .2s ease; }
.modal__panel { position: relative; z-index: 1; width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto; background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 28px 32px; animation: modal-pop .22s ease; }
.modal__panel h2 { font-size: 1.5rem; margin-bottom: 6px; }
.modal__panel .form { background: var(--bg-alt); border: 1px solid var(--line); margin-top: 14px; gap: 10px; padding: 20px; }
.modal__panel .form input, .modal__panel .form textarea { background: var(--surface); border: 1px solid var(--line); color: var(--ink); }
.modal__panel .form label { color: var(--ink-soft); }
.modal__close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); font-size: 1.3rem; line-height: 1; color: var(--ink-soft); }
.modal__close:hover { background: var(--accent-tint); color: var(--accent-dark); }
body.modal-open { overflow: hidden; }
@keyframes modal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-pop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }

/* Cookie-баннер */
.cookie-banner[hidden] { display: none; }
.cookie-banner { position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 250; max-width: 620px; margin: 0 auto; background: var(--ink); color: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 18px 22px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; animation: cookie-up .3s ease; }
.cookie-banner p { color: rgba(255,255,255,0.8); font-size: 0.85rem; margin: 0; flex: 1; min-width: 200px; }
.cookie-banner a { text-decoration: underline; color: #fff; }
@keyframes cookie-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* Форма: файл и согласие */
.form__file { font-size: 0.85rem; }
.form__file input[type="file"] { background: rgba(255,255,255,0.08); border: 1px dashed rgba(255,255,255,0.3); border-radius: var(--radius); padding: 10px 12px; color: #fff; font-family: inherit; font-size: 0.85rem; }
.modal__panel .form__file input[type="file"], .category-intro__form .form__file input[type="file"] { background: var(--surface); border: 1px dashed var(--line); color: var(--ink-soft); }
.form__consent { display: flex !important; flex-direction: row; align-items: flex-start; gap: 8px; font-size: 0.78rem !important; line-height: 1.4; }
.form__consent input { margin: 3px 0 0; accent-color: var(--accent); flex-shrink: 0; width: 16px; height: 16px; }
.form__consent span { flex: 1; }
.form__consent a { text-decoration: underline; }

/* Вступление раздела портфолио с открытой формой */
.category-intro__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; padding: 56px 0; }
.category-intro__form { background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 32px; }
.category-intro__form h2, .category-intro__form p { color: #fff; }
.category-intro__form .form { margin-top: 14px; }

/* Продукт (карточка галереи) */
.product { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; padding: 24px 0 60px; }
.product__specs { display: grid; gap: 20px; }
.product__spec-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; }
.product__spec-box h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-dark); }
.product-meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.85rem; color: var(--muted); margin: 12px 0 24px; }

/* Похожие */
.related__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.related__card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; padding-bottom: 14px; }
.related__card span:last-child { display: block; padding: 12px 14px 0; font-weight: 600; font-size: 0.9rem; }

/* Форма */
.cta-form { padding: 72px 0; background: var(--ink); color: #fff; border-radius: var(--radius-lg); }
.cta-form h2, .cta-form p { color: #fff; }
.cta-form__points { margin: 18px 0; display: grid; gap: 8px; color: #d8d2c6; font-size: 0.9rem; }
.cta-form__points li::before { content: '— '; }
.cta-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.form { display: grid; gap: 14px; background: rgba(255,255,255,0.04); padding: 28px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.14); }
.form label { display: grid; gap: 6px; font-size: 0.85rem; color: #d8d2c6; }
.form input, .form textarea { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); padding: 12px 14px; color: #fff; font-family: inherit; font-size: 0.95rem; }
.form input::placeholder, .form textarea::placeholder { color: rgba(255,255,255,0.4); }
.hp-field { position: absolute; left: -9999px; }
.form__note { font-size: 0.75rem; color: rgba(255,255,255,0.5); }
.form__note a { text-decoration: underline; }
.form__result { min-height: 1.2em; font-size: 0.9rem; font-weight: 600; }
.form__result.ok { color: #6fcf6f; }
.form__result.err { color: #f3a5a5; }
.modal__panel .form__result.ok { color: #1f7a3d; }

/* Автор статьи */
.author-card { display: flex; gap: 20px; align-items: center; background: var(--bg-alt); border-radius: var(--radius-lg); padding: 24px; margin-top: 48px; }
.author-card__photo { width: 84px; height: 84px; flex-shrink: 0; border-radius: 50%; overflow: hidden; }
.author-card__photo .ph-image { border-radius: 50%; }
.author-card__role { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; color: var(--accent-dark); margin: 0; }

/* Статьи: оглавление и инфографика */
.article-toc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px 26px; margin: 28px 0; }
.article-toc h2 { font-size: 1rem; margin-bottom: 10px; }
.article-toc ol { display: grid; gap: 6px; padding-left: 1.2em; list-style: decimal; font-size: 0.92rem; }
.infographic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0; }
.infographic__stat { background: var(--accent-tint); border-radius: var(--radius-lg); padding: 22px; text-align: center; }
.infographic__stat b { display: block; font-family: var(--font-display); font-size: 2.2rem; color: var(--accent-dark); }
.product-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0; }
.product-links a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 16px; }
.product-links a:hover { border-color: var(--accent); }
.product-links b { display: block; }
.product-links span { color: var(--accent-dark); font-size: 0.85rem; }

/* Сравнение */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare__col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; }
.compare__col ul { display: grid; gap: 10px; margin-top: 14px; }
.compare__col li { padding-left: 22px; position: relative; }
.compare__col.is-yes li::before { content: '✓'; position: absolute; left: 0; color: var(--accent-dark); font-weight: 700; }
.compare__col.is-no li::before { content: '–'; position: absolute; left: 0; color: var(--muted); }

/* Footer */
.site-footer { background: var(--ink); color: #cfc8bb; padding-top: 64px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 40px; }
.footer__brand .logo__text, .footer__brand .logo__mark { color: #fff; }
.footer__brand p { color: #a89f8f; font-size: 0.9rem; }
.footer__social { display: flex; gap: 10px; margin-top: 14px; }
.footer__social a { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; font-size: 0.75rem; }
.footer__col h3 { color: #fff; font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 14px; }
.footer__col ul { display: grid; gap: 9px; font-size: 0.88rem; }
.footer__col a:hover { color: #fff; }
.footer__contacts address { font-style: normal; margin-bottom: 14px; font-size: 0.88rem; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.78rem; color: #8a8172; }

/* Появление при скролле */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in-view { opacity: 1; transform: none; }

/* Адаптив */
@media (max-width: 1080px) {
  .tiles, .related__grid, .infographic, .product-links { grid-template-columns: repeat(2, 1fr); }
  .price-table, .steps, .testimonials, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .main-nav { position: fixed; inset: 0; top: var(--header-h); background: var(--surface); padding: 20px; transform: translateX(100%); transition: transform .25s ease; overflow-y: auto; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; margin-left: 12px; }
  .has-dropdown.is-open .dropdown { display: block; }
  .nav-toggle { display: inline-flex; }
  .cta-form__grid { grid-template-columns: 1fr; }
  .category-intro__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .tiles, .related__grid, .infographic, .product-links, .price-table, .steps, .testimonials, .gallery-grid { grid-template-columns: 1fr; }
  .topline__row { flex-direction: column; align-items: flex-start; }
  .footer__top { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
}