/* Лендинг skyline-tools.com — статическая страница-визитка компании и двух брендов.
   Палитра — только из брендбуков: оранжевый GIGANT #e74315 (текстом на тёмном — #ff8563, 6.41:1),
   жёлтый INFORCE #ffb81c (8.85:1 к антрациту), антрацит #252525 / #1c1c1c, металл #b9bcc0.
   Гарнитуры — две: RF Dewi Extended (заголовки) и Montserrat (текст). Третьей не бывает. */

@font-face { font-family: "RF Dewi Extended"; font-weight: 700; font-display: swap; src: url("fonts/rf-dewi-extended-700-latin.woff2") format("woff2"); }
@font-face { font-family: "RF Dewi Extended"; font-weight: 400; font-display: swap; src: url("fonts/rf-dewi-extended-400-latin.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 700; font-display: swap; src: url("fonts/montserrat-700-latin.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 400; font-display: swap; src: url("fonts/montserrat-400-latin.woff2") format("woff2"); }

:root {
  color-scheme: dark;
  --surface: #1c1c1c;
  --surface-raised: #252525;
  --surface-alt: #161616;
  --sunken: #0f0f0f;
  --ink: #f0f0f0;
  --ink-muted: #bdbdbd;
  --line: #3c3c3b;
  --line-strong: #5a5a59;
  --gigant: #e74315;
  --gigant-text: #ff8563;
  --inforce: #ffb81c;
  --on-accent: #111111;
  --focus: #ffb81c;
  --font-display: "RF Dewi Extended", "Arial Black", Arial, sans-serif;
  --font-sans: "Montserrat", Arial, Helvetica, sans-serif;
  --text-hero: clamp(2.25rem, 5.5vw, 4rem);
  --text-display: clamp(1.75rem, 3vw, 2.5rem);
  --text-title: 1.25rem;
  --text-lead: 1.125rem;
  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --header-h: 4rem;
  --motion: 220ms;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--surface); color: var(--ink); font-family: var(--font-sans); font-size: 1rem; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--inforce); color: var(--on-accent); padding: .6rem 1rem; font-weight: 700; z-index: 100; transition: top var(--motion) var(--ease); }
.skip:focus { top: 1rem; }

/* Типографика — ролями */
.t-hero { font-family: var(--font-display); font-weight: 700; font-size: var(--text-hero); line-height: 1.02; letter-spacing: -.01em; text-transform: uppercase; margin: 0; }
.t-display { font-family: var(--font-display); font-weight: 700; font-size: var(--text-display); line-height: 1.1; text-transform: uppercase; margin: 0 0 1.25rem; }
.t-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-title); line-height: 1.25; margin: 0 0 .75rem; }
.eyebrow { font-family: var(--font-display); font-weight: 700; font-size: .8125rem; letter-spacing: .22em; text-transform: uppercase; color: var(--inforce); margin: 0 0 .75rem; }
.lead { font-size: var(--text-lead); line-height: 1.55; color: var(--ink); max-width: 44rem; margin: 0; }
.prose p { max-width: 68ch; margin: 0 0 1rem; color: var(--ink); }

/* Кнопки: подпись на заливке всегда тёмная (белая по фирменным жёлтому и оранжевому не проходит) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 3rem; padding: .75rem 1.5rem; border-radius: 2px; font-weight: 700; font-size: .9375rem; letter-spacing: .03em; text-decoration: none; transition: transform var(--motion) var(--ease), background-color var(--motion) var(--ease), border-color var(--motion) var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-accent, .btn-inforce { background: var(--inforce); color: var(--on-accent); }
.btn-accent:hover, .btn-inforce:hover { background: #ffc94a; }
.btn-gigant { background: var(--gigant); color: #fff; }
.btn-gigant:hover { background: #f25a2f; }
.btn-ghost { background: transparent; color: var(--ink); border: 2px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }

/* Шапка: прозрачная над первым экраном, плотная при прокрутке; прячется при прокрутке вниз */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h); background: transparent; transition: background-color var(--motion) var(--ease), transform var(--motion) var(--ease), box-shadow var(--motion) var(--ease); }
.site-header.is-solid { background: rgba(28, 28, 28, .92); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--line); }
.site-header.is-hidden { transform: translateY(-100%); }
.header-row { display: flex; align-items: center; gap: 1.5rem; height: var(--header-h); }
.wordmark { text-decoration: none; display: inline-flex; align-items: center; margin-right: auto; }
.wordmark img { display: block; height: 2.5rem; width: auto; }
@media (max-width: 47.9375rem) { .wordmark img { height: 2rem; } }
.nav { display: none; gap: 1.75rem; }
.nav a, .mobile-nav a { position: relative; text-decoration: none; font-size: .9375rem; font-weight: 700; white-space: nowrap; padding: .25rem 0; }
.nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: -.15rem; height: 2px; background: var(--inforce); transition: left 200ms var(--ease), right 200ms var(--ease); }
.nav a:hover::after, .nav a:focus-visible::after, .nav a[aria-current="true"]::after { left: 0; right: 0; }
.header-cta { display: none; min-height: 2.5rem; padding: .5rem 1.1rem; }
.nav-toggle { display: inline-grid; place-items: center; width: 2.75rem; height: 2.75rem; background: transparent; border: 0; color: var(--ink); cursor: pointer; border-radius: 2px; }
.mobile-nav[hidden] { display: none; }
.mobile-nav { position: absolute; inset: var(--header-h) 0 auto 0; background: var(--surface-raised); border-bottom: 1px solid var(--line); padding: .75rem var(--gutter) 1.25rem; display: grid; gap: .25rem; }
.mobile-nav a { padding: .75rem .25rem; border-bottom: 1px solid var(--line); }
.mobile-nav .btn { margin-top: .75rem; border-bottom: 0; }
@media (min-width: 64rem) {
  .nav, .header-cta { display: inline-flex; }
  .nav-toggle, .mobile-nav { display: none !important; }
}

/* Первый экран */
.hero { padding-top: calc(var(--header-h) + clamp(2.5rem, 8vw, 6rem)); background: radial-gradient(120% 70% at 50% 0%, #303030 0%, var(--surface) 55%); }
.hero-copy { padding-bottom: clamp(2rem, 5vw, 3.5rem); }
.hero .lead { margin-top: 1.25rem; }
.hero .lead strong { color: var(--ink); }

/* Развилка брендов: две панели, каждая — ссылка целиком */
.split { display: grid; grid-template-columns: 1fr; }
.panel { position: relative; display: block; min-height: 26rem; overflow: hidden; color: #fff; text-decoration: none; isolation: isolate; }
.panel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.panel::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,10,.05) 0%, rgba(10,10,10,.25) 45%, rgba(10,10,10,.88) 100%); z-index: 1; }
.panel:hover img, .panel:focus-visible img { transform: scale(1.04); }
.panel-body { position: absolute; inset: auto 0 0 0; z-index: 2; padding: clamp(1.25rem, 3vw, 2.5rem); display: grid; gap: .5rem; }
.panel-logo { display: block; height: 2.25rem; width: max-content; margin-bottom: .5rem; }
.panel-logo svg { height: 100%; width: auto; display: block; }
.panel-logo-gigant svg { color: #fff; }
.panel-logo-inforce svg path, .panel-logo-inforce svg polygon { fill: #fff; }
.panel-tag { font-family: var(--font-display); font-weight: 700; font-size: 1.375rem; text-transform: uppercase; margin: 0; }
.panel-facts { margin: 0; color: #e8e8e8; font-size: .9375rem; }
.panel-cta { display: inline-flex; align-items: center; gap: .5rem; margin-top: .5rem; min-height: 2.75rem; padding: .5rem 1.1rem; font-weight: 700; border-radius: 2px; width: max-content; transition: gap var(--motion) var(--ease); }
.panel:hover .panel-cta { gap: .85rem; }
.panel-gigant .panel-cta { background: var(--gigant); color: #fff; }
.panel-inforce .panel-cta { background: var(--inforce); color: var(--on-accent); }
.panel-gigant::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--gigant); z-index: 2; }
.panel-inforce::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--inforce); z-index: 2; }
@media (min-width: 48rem) {
  .split { grid-template-columns: 1fr 1fr; }
  .panel { min-height: min(34rem, 68svh); }
  /* Приём INFORCE — скошенный угол плашки (у GIGANT углы прямые) */
  .panel-inforce { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 3rem, 3rem 0); }
  .panel-inforce .panel-logo { margin-top: 0; }
}

/* Цифры */
.proof { background: var(--sunken); border-block: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem var(--gutter); padding-block: clamp(2rem, 5vw, 3.5rem); }
.stat b { display: block; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.75rem, 3.5vw, 2.5rem); line-height: 1; color: var(--inforce); }
.stat span { display: block; margin-top: .4rem; color: var(--ink-muted); font-size: .9375rem; max-width: 14rem; }
@media (min-width: 48rem) { .proof-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }

/* Разделы */
.section { padding-block: clamp(3rem, 8vw, 6rem); }
.section-alt { background: var(--surface-alt); }
.two-col { display: grid; gap: 2rem; }
@media (min-width: 64rem) { .two-col { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 4rem; align-items: start; } }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
@media (min-width: 40rem) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card { background: var(--surface-raised); border: 1px solid var(--line); border-top: 3px solid var(--inforce); padding: 1.25rem 1.25rem 1.5rem; }
.card:nth-child(even) { border-top-color: var(--gigant); }
.card h3 { font-family: var(--font-display); font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; margin: 0 0 .5rem; }
.card p { margin: 0; color: var(--ink-muted); font-size: .9375rem; }

/* Ряды брендов */
.brand-row { display: grid; gap: 1.5rem; margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
@media (min-width: 64rem) {
  .brand-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4rem; align-items: center; }
  .brand-row-inforce .brand-media { order: 2; }
}
.brand-media { display: grid; gap: .75rem; }
.brand-media > img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.brand-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.brand-thumbs img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.brand-row-gigant .brand-media > img, .brand-row-gigant .brand-thumbs img { border-bottom: 3px solid var(--gigant); }
.brand-row-inforce .brand-media > img, .brand-row-inforce .brand-thumbs img { border-bottom: 3px solid var(--inforce); }
.brand-mark { display: block; height: 1.75rem; width: max-content; margin-bottom: 1rem; }
.brand-mark svg { height: 100%; width: auto; display: block; }
.brand-mark-gigant svg { color: var(--gigant-text); }
.brand-mark-inforce svg path, .brand-mark-inforce svg polygon { fill: var(--inforce); }
.brand-copy > p { max-width: 60ch; color: var(--ink); }
.chips { list-style: none; margin: 1.25rem 0 1.5rem; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li { font-size: .8125rem; font-weight: 700; letter-spacing: .02em; padding: .35rem .7rem; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink); }
.brand-row-gigant .chips li { border-color: color-mix(in srgb, var(--gigant) 60%, transparent); }
.brand-row-inforce .chips li { border-color: color-mix(in srgb, var(--inforce) 55%, transparent); }

/* Каталоги */
.catalogues { display: grid; gap: 1.5rem; }
@media (min-width: 48rem) { .catalogues { grid-template-columns: 1fr 1fr; } }
.cat-card { display: grid; grid-template-columns: minmax(6rem, 9rem) minmax(0, 1fr); gap: 1.25rem; align-items: start; background: var(--surface-raised); border: 1px solid var(--line); padding: 1.25rem; }
.cat-card img { aspect-ratio: 700 / 983; object-fit: cover; box-shadow: 0 10px 30px rgba(0,0,0,.45); }
.cat-card p { color: var(--ink-muted); margin: 0; font-size: .9375rem; }
@media (max-width: 40rem) { .cat-card { grid-template-columns: 1fr; } .cat-card img { max-width: 8.5rem; } }

/* Выставка */
.fair { background: var(--sunken); border-block: 1px solid var(--line); }
.fair-grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 64rem) { .fair-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 4rem; } }
.fair .lead { margin-bottom: 1.5rem; }
.facts { margin: 0 0 1.75rem; display: grid; gap: 1rem; }
.facts div { border-left: 4px solid var(--gigant); padding-left: 1rem; }
.facts div:nth-child(2) { border-color: var(--inforce); }
.facts dt { font-family: var(--font-display); font-size: .75rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-muted); }
.facts dd { margin: .15rem 0 0; font-weight: 700; font-size: 1.125rem; }
.facts .booth { font-family: var(--font-display); font-size: 2rem; line-height: 1; color: var(--inforce); }
.fair-media img { width: 100%; border: 1px solid var(--line-strong); }

/* Контакты */
.contact-grid { display: grid; gap: 2rem; }
@media (min-width: 64rem) { .contact-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 4rem; align-items: start; } }
.contact-card { font-style: normal; background: var(--surface-raised); border: 1px solid var(--line); border-top: 3px solid var(--inforce); padding: 1.5rem; }
.contact-card p { margin: 0 0 .75rem; }
.contact-name { font-family: var(--font-display); font-weight: 700; font-size: .9375rem; letter-spacing: .03em; }
.contact-card a { color: var(--inforce); text-decoration: none; font-weight: 700; }
.contact-card a:hover { text-decoration: underline; }
.contact-card .btn { color: var(--on-accent); }
.contact-card .btn:hover { text-decoration: none; }

/* Подвал */
.site-footer { background: var(--sunken); border-top: 1px solid var(--line); padding-block: 1.75rem; color: var(--ink-muted); font-size: .875rem; }
.footer-grid { display: grid; gap: .75rem; }
@media (min-width: 48rem) { .footer-grid { grid-template-columns: 1fr auto; align-items: center; } }
.footer-legal { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-links a { color: var(--ink-muted); text-decoration: none; }
.footer-links a:hover { color: var(--ink); text-decoration: underline; }

/* Появление при прокрутке — только transform и opacity; при «уменьшить движение» всё видно сразу */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 420ms var(--ease), transform 420ms var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .panel img, .btn, .site-header { transition: none; }
  .panel:hover img { transform: none; }
}
@media print { .site-header, .skip { display: none; } .panel img { position: static; } }