/* Витрина концептов. Токены — по контракту core (цвета только через --c-*). */
:root {
  --font-display: "Onest", system-ui, sans-serif;
  --font-text: "Onest", system-ui, sans-serif;

  --c-bg: #f4f3ef;
  --c-surface: #ffffff;
  --c-surface-2: #eae8e1;
  --c-ink: #16181a;
  --c-ink-2: #54575b;
  --c-line: #d9d6ce;
  --c-brand: #16181a;
  --c-on-brand: #f4f3ef;
  --c-accent: #16181a;
  --c-on-accent: #ffffff;
  --c-focus: #16181a;
  --c-danger: #b42318;
  --c-on-danger: #ffffff;

  /* цвета двух концептов: только для кнопок, меток и полос (контраст ≥ 6:1) */
  --c-portal: #a01c26;
  --c-water: #0a6b74;

  --radius-s: 0.5rem;
  --radius-m: 0.875rem;
  --radius-l: 1.5rem;
  --shadow-shot: 0 1px 2px rgba(22, 24, 26, 0.06), 0 12px 32px -12px rgba(22, 24, 26, 0.22);
}

html[data-a11y="on"] { --c-portal: var(--c-accent); --c-water: var(--c-accent); }

.sc-wrap { max-width: 78rem; margin: 0 auto; padding-inline: 1rem; }
@media (min-width: 48rem) { .sc-wrap { padding-inline: 2rem; } }
@media (min-width: 80rem) { .sc-wrap { padding-inline: 3rem; } }

.sc-muted { color: var(--c-ink-2); }

/* Шапка */
.sc-header { border-bottom: 1px solid var(--c-line); }
.sc-header__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; min-height: 4rem; padding-block: 0.5rem; }
.sc-header__place { font-size: 0.9375rem; font-weight: 600; }
.sc-a11y {
  display: inline-flex; align-items: center; gap: 0.5rem;
  min-height: 2.75rem; padding: 0.5rem 0.875rem;
  border: 1px solid var(--c-line); border-radius: 999px;
  background: var(--c-surface); color: var(--c-ink);
  font-size: 0.9375rem; font-weight: 600;
  transition: border-color var(--dur-1) var(--ease-out);
}
.sc-a11y:hover { border-color: var(--c-ink); }
.sc-a11y:active { transform: scale(0.98); }
@media (max-width: 30rem) {
  .sc-header__place .sc-muted, .sc-header__place span[aria-hidden] { display: none; }
}

/* Первый экран */
.sc-hero { padding-block: 3.5rem 3rem; }
@media (min-width: 64rem) { .sc-hero { padding-block: 5.5rem 4.5rem; } }
.sc-kicker { font-size: 0.875rem; font-weight: 600; letter-spacing: 0.02em; color: var(--c-ink-2); margin-bottom: 1rem; }
.sc-kicker--brand { color: var(--c-portal); }
.sc-kicker--water { color: var(--c-water); }
.sc-hero__title {
  max-width: 22ch;
  font-size: clamp(2rem, 1.2rem + 3.4vw, 3.75rem);
  font-weight: 700; letter-spacing: -0.025em; line-height: 1.05;
}
.sc-hero__lead { max-width: 60ch; margin-top: 1.5rem; font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem); color: var(--c-ink-2); line-height: 1.6; }
.sc-note {
  display: inline-flex; gap: 0.625rem; align-items: flex-start;
  margin-top: 2rem; padding: 0.75rem 1rem;
  border-radius: var(--radius-m); background: var(--c-surface-2);
  font-size: 0.9375rem; color: var(--c-ink);
}
.sc-note .icon { margin-top: 0.125rem; }

/* Блоки концептов */
.sc-concept { padding-block: 3rem; border-top: 1px solid var(--c-line); }
@media (min-width: 64rem) { .sc-concept { padding-block: 5rem; } }
.sc-concept--portal { background: linear-gradient(180deg, #f6f2ea 0%, var(--c-bg) 100%); }
.sc-concept--water { background: linear-gradient(180deg, #f3f7f6 0%, var(--c-bg) 100%); }
html[data-a11y="on"] .sc-concept { background: var(--c-bg); }

.sc-concept__grid { display: grid; gap: 2.5rem; align-items: center; }
.sc-concept__grid > *, .sc-principles__list > li > div { min-width: 0; }
@media (min-width: 64rem) {
  .sc-concept__grid { grid-template-columns: 7fr 5fr; gap: 4rem; }
  .sc-concept__grid--flip { grid-template-columns: 5fr 7fr; }
}
@media (max-width: 63.99rem) {
  .sc-concept__grid--flip .sc-concept__media { order: -1; }
}

.sc-concept__media { position: relative; padding-bottom: 2.5rem; padding-right: 3.5rem; }
.sc-shot { margin: 0; border-radius: var(--radius-m); overflow: hidden; background: var(--c-surface); box-shadow: var(--shadow-shot); outline: 1px solid rgba(22, 24, 26, 0.08); }
.sc-shot img { width: 100%; height: auto; }
/* Скриншот кликабелен для мыши (дубль кнопки «Открыть», поэтому вне порядка Tab и скрыт от скринридера) */
.sc-shot-link { position: absolute; inset: 0; z-index: 2; border-radius: var(--radius-m); }
@media (hover: hover) and (pointer: fine) {
  .sc-shot--desktop { transition: transform 240ms var(--ease-out), box-shadow 240ms var(--ease-out); }
  .sc-concept__media:has(.sc-shot-link:hover) .sc-shot--desktop {
    transform: translateY(-4px);
    box-shadow: 0 1px 2px rgba(22, 24, 26, 0.06), 0 22px 44px -16px rgba(22, 24, 26, 0.3);
  }
}
@media (prefers-reduced-motion: reduce) {
  .sc-concept__media:has(.sc-shot-link:hover) .sc-shot--desktop { transform: none; }
}
.sc-shot--mobile {
  position: absolute; bottom: 0; right: 0;
  width: clamp(6.5rem, 22%, 11rem);
  border-radius: 1.25rem; outline: 6px solid var(--c-ink);
}

.sc-concept__title { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; }
.sc-concept__lead { margin-top: 1rem; color: var(--c-ink-2); line-height: 1.6; max-width: 52ch; }

.sc-features { margin: 1.5rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--c-line); }
.sc-features li { position: relative; padding: 0.75rem 0 0.75rem 1.75rem; border-bottom: 1px solid var(--c-line); line-height: 1.5; }
.sc-features li::before {
  content: ""; position: absolute; left: 0.25rem; top: 1.25rem;
  width: 0.5rem; height: 0.5rem; border-radius: 50%; background: currentColor; opacity: 0.35;
}
.sc-concept--portal .sc-features li::before { background: var(--c-portal); opacity: 1; }
.sc-concept--water .sc-features li::before { background: var(--c-water); opacity: 1; }

.sc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; margin-top: 2rem; }
.sc-btn {
  display: inline-flex; align-items: center; gap: 0.625rem;
  min-height: 3rem; padding: 0.75rem 1.25rem;
  border-radius: 999px; font-weight: 600; text-decoration: none;
  color: var(--c-on-accent); background: var(--c-accent);
  transition: transform var(--dur-1) var(--ease-out), background-color var(--dur-2) var(--ease-out);
}
.sc-btn .icon { transition: transform var(--dur-2) var(--ease-out); }
.sc-btn:hover .icon { transform: translateX(3px); }
.sc-btn:active { transform: scale(0.98); }
.sc-btn--portal { background: var(--c-portal); }
.sc-btn--water { background: var(--c-water); }
.sc-btn--ink { background: var(--c-ink); color: var(--c-bg); }
.sc-link { font-weight: 600; text-underline-offset: 0.25em; text-decoration-thickness: 1px; min-height: 2.75rem; display: inline-flex; align-items: center; }
.sc-link:hover { text-decoration-thickness: 2px; }

/* Живой сайт */
.sc-live { padding-block: 3rem; }
.sc-live__card {
  display: grid; gap: 1.5rem; align-items: center;
  padding: 1.75rem; border-radius: var(--radius-l);
  background: var(--c-surface); border: 1px solid var(--c-line);
}
.sc-live__card > * { min-width: 0; }
.sc-btn { max-width: 100%; }
@media (min-width: 48rem) { .sc-live__card { grid-template-columns: 1fr auto; padding: 2.25rem 2.5rem; } }
.sc-live__title { font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem); font-weight: 700; letter-spacing: -0.015em; }
.sc-live__text { margin-top: 0.625rem; color: var(--c-ink-2); max-width: 60ch; }

/* Принципы */
.sc-principles { padding-block: 2rem 4rem; }
.sc-principles__title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.125rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.sc-principles__list { display: grid; gap: 0 3rem; border-top: 1px solid var(--c-line); }
@media (min-width: 56rem) { .sc-principles__list { grid-template-columns: 1fr 1fr; } }
.sc-principles__list li { display: grid; grid-template-columns: 2rem 1fr; gap: 1rem; padding-block: 1.25rem; border-bottom: 1px solid var(--c-line); }
.sc-principles__list .icon { width: 1.5rem; height: 1.5rem; margin-top: 0.125rem; }
.sc-principles__list h3 { font-size: 1.0625rem; font-weight: 700; font-family: var(--font-text); }
.sc-principles__list p { margin-top: 0.375rem; color: var(--c-ink-2); line-height: 1.55; }

/* Подвал */
.sc-footer { border-top: 1px solid var(--c-line); padding-block: 2rem; font-size: 0.9375rem; color: var(--c-ink-2); }
.sc-footer__row { display: grid; gap: 0.5rem; }
@media (min-width: 64rem) { .sc-footer__row { grid-template-columns: 1fr 1fr; gap: 3rem; } }

/* Версия для слабовидящих: всё в одну колонку, превью телефона не накладывается */
html[data-a11y="on"] .sc-concept__grid,
html[data-a11y="on"] .sc-principles__list,
html[data-a11y="on"] .sc-live__card { grid-template-columns: 1fr; }
html[data-a11y="on"] .sc-concept__media { padding: 0; }
html[data-a11y="on"] .sc-shot--mobile { display: none !important; }
html[data-a11y="on"] .sc-shot--desktop { transform: none !important; }
html[data-a11y="on"] .sc-shot { outline: 2px solid var(--c-ink); }
html[data-a11y="on"] .sc-btn { border: 2px solid var(--c-ink); overflow-wrap: anywhere; }
html[data-a11y="on"] .sc-live__card { padding: 1.25rem; }
/* крупный шрифт: длинные русские слова переносим по слогам, а не выталкиваем за край */
html[data-a11y="on"] :is(h1, h2, h3, p, li) { hyphens: auto; overflow-wrap: break-word; }
html[data-a11y="on"] .sc-hero__title { font-size: 2rem; }
html[data-a11y="on"] .sc-concept__title { font-size: 1.625rem; }
html[data-a11y="on"] .sc-live__title { font-size: 1.375rem; }