/* Hallmark · shared chrome: reset, canvas blooms, N5 pill nav, Ft5 statement footer,
 * sections, figures, buttons, forms, utilities. Page-specific layouts live in pages.css. */


/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { overflow-x: clip; scroll-behavior: smooth; }
body {
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-weight: 350;
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-ink); text-decoration: none; }
main p a, main li a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--color-rule); transition: text-decoration-color var(--dur-fast) var(--ease-out); }
main p a:hover, main li a:hover { text-decoration-color: var(--color-accent); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--color-accent); color: var(--color-accent-ink); }

/* ---------- atmospheric canvas · two warm blooms, fixed, no animation ---------- */
.canvas-bloom {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(38rem 30rem at 82% -8%, oklch(45% 0.09 70 / 0.16), transparent 70%),
    radial-gradient(46rem 36rem at -10% 68%, oklch(40% 0.07 290 / 0.13), transparent 70%);
}

/* ---------- typography ---------- */
h1, h2, h3 { color: var(--color-ink); font-family: var(--font-display); font-weight: 500; font-style: normal; line-height: 1.14; letter-spacing: -0.015em; overflow-wrap: break-word; min-width: 0; }
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-display-s); }
h3 { font-size: var(--text-md); line-height: 1.3; }
.lede { font-size: var(--text-md); font-weight: 350; color: var(--color-neutral); max-width: 52ch; }
.prose { max-width: 65ch; }
.prose p + p { margin-top: var(--space-md); }
strong { color: var(--color-ink); font-weight: 600; }
.mono { font-family: var(--font-outlier); font-variant-numeric: tabular-nums; }
.accent { color: var(--color-accent); }

/* ---------- layout ---------- */
.wrap { max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-pad); }
.section { padding-block: var(--space-3xl); }
.section--tight { padding-block: var(--space-2xl); }
.section-head { margin-bottom: var(--space-xl); max-width: 42rem; }
.section-head p { margin-top: var(--space-sm); color: var(--color-neutral); }

/* izi-style: major section heads are centered; page heroes (header.section) stay left */
section.section > .section-head,
section.section > .wrap > .section-head,
.mega > .section-head {
  margin-inline: auto; text-align: center;
}
/* lighter band that stands in for izi's white sections */
.section--band { background: var(--color-band); }
.section--band .card, .section--band .calc { background: var(--color-paper-2); }

/* ---------- izi-style full-width rounded nav bar ---------- */
.nav {
  position: fixed; top: var(--space-sm); left: 50%; translate: -50% 0; z-index: 50;
  display: flex; align-items: center; gap: var(--space-xl);
  width: min(100% - 2 * var(--space-md), 88rem);
  padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-lg);
  border: var(--rule-hair); border-radius: var(--radius-lg);
  background: oklch(16% 0.014 265 / 0.78);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  box-shadow: var(--shadow-lift);
}
.nav__brand { font-size: var(--text-md); }
.nav__links { display: flex; gap: var(--space-lg); list-style: none; padding: 0; margin-left: auto; }
.nav__links a { color: var(--color-neutral); font-size: var(--text-sm); font-weight: 500; white-space: nowrap; transition: color var(--dur-fast) var(--ease-out); }
.nav__links a:hover { color: var(--color-ink); }
.nav__links a[aria-current="page"] { color: var(--color-accent); }
.nav__cta {
  display: inline-block; padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md); background: var(--color-accent); color: var(--color-accent-ink);
  font-weight: 600; font-size: var(--text-sm); white-space: nowrap;
  transition: filter var(--dur-fast) var(--ease-out), translate var(--dur-fast) var(--ease-out);
}
.nav__cta:hover { filter: brightness(1.08); }
.nav__cta:active { translate: 0 1px; }
.nav__burger { display: none; }

/* mobile: bar → wordmark + burger chip */
@media (max-width: 60rem) {
  .nav { gap: var(--space-md); padding: var(--space-xs) var(--space-xs) var(--space-xs) var(--space-md); }
  .nav__links {
    display: none; position: fixed; inset: 4.6rem var(--space-md) auto; z-index: 49;
    flex-direction: column; gap: 0; padding: var(--space-xs); margin-left: 0;
    border: var(--rule-hair); border-radius: var(--radius-lg);
    background: oklch(16% 0.014 265);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-lift);
  }
  .nav__links a { display: block; padding: var(--space-sm) var(--space-md); font-size: var(--text-base); min-height: 44px; }
  .nav.is-open .nav__links { display: flex; }
  .nav__cta { display: none; }
  .nav__burger {
    display: grid; place-items: center; width: 44px; height: 44px; margin-left: auto;
    border: none; border-radius: var(--radius-md); background: var(--color-paper-3);
    color: var(--color-ink); cursor: pointer; font-size: 1.1rem;
  }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md); border: 1px solid transparent;
  background: var(--color-accent); color: var(--color-accent-ink);
  font-family: var(--font-body); font-weight: 600; font-size: var(--text-base);
  cursor: pointer; white-space: nowrap;
  transition: filter var(--dur-fast) var(--ease-out), translate var(--dur-fast) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out);
}
.btn:hover { filter: brightness(1.08); box-shadow: var(--glow-amber); }
.btn:active { translate: 0 1px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; filter: none; box-shadow: none; }
.btn--ghost { background: transparent; border-color: var(--color-rule); color: var(--color-ink); }
.btn--ghost:hover { border-color: var(--color-neutral); filter: none; box-shadow: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: center; }

/* ---------- screenshots · real captures in plain figures, hairline only ---------- */
.shot { margin: 0; }
.shot img {
  width: 100%; border: var(--rule-hair); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
}
.shot figcaption { margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-neutral); }
.shot--phone { max-width: 300px; }
.shot--phone img { border-radius: var(--radius-lg); }

/* placeholder for shots we could not take yet */
.shot-todo {
  display: grid; place-items: center; text-align: center;
  min-height: 14rem; padding: var(--space-xl);
  border: 1px dashed var(--color-rule); border-radius: var(--radius-md);
  background: var(--color-paper-2); color: var(--color-neutral); font-size: var(--text-sm);
}
.shot-todo b { display: block; color: var(--color-muted); font-weight: 600; margin-bottom: var(--space-2xs); }

/* ---------- cards · izi geometry: big radius, generous padding, band surface ---------- */
.card {
  padding: var(--space-xl); border: var(--rule-hair); border-radius: var(--radius-xl);
  background: var(--color-band);
  transition: translate var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out), border-color var(--dur-normal) var(--ease-out);
}
a.card:hover, .card--hover:hover { translate: 0 -3px; box-shadow: var(--glow-amber); border-color: oklch(40% 0.05 85); }
.card h3 { margin-bottom: var(--space-xs); }
.card p { font-size: var(--text-sm); color: var(--color-neutral); }

/* ---------- forms · full-state discipline ---------- */
.field { display: grid; gap: var(--space-2xs); }
.field label { font-size: var(--text-sm); font-weight: 500; color: var(--color-muted); }
.field input, .field select {
  padding: var(--space-sm) var(--space-md); min-height: 44px;
  border: var(--rule-hair); border-radius: var(--radius-sm);
  background: var(--color-paper); color: var(--color-ink);
  font-family: var(--font-body); font-size: var(--text-base);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.field input::placeholder { color: var(--color-neutral); }
.field input:hover { border-color: var(--color-neutral); }
.field input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 0; border-color: transparent; }
.field input:user-invalid { border-color: var(--color-bad); }
.form-note { font-size: var(--text-sm); color: var(--color-neutral); }
.form-status { font-size: var(--text-sm); min-height: 1.4em; }
.form-status.is-error { color: var(--color-bad); }
.form-status.is-ok { color: var(--color-ok); }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
th, td { padding: var(--space-sm) var(--space-md); text-align: left; border-bottom: var(--rule-hair); }
th { color: var(--color-ink); font-weight: 600; white-space: nowrap; }
td { color: var(--color-neutral); }
.t-ok { color: var(--color-ok); font-weight: 600; }
.t-bad { color: var(--color-bad); }
.t-num { font-family: var(--font-outlier); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- final CTA · izi-style rounded card before the footer ---------- */
.cta-band {
  text-align: center;
  max-width: min(var(--page-max), calc(100% - 2 * var(--page-pad)));
  margin-inline: auto; margin-block: var(--space-2xl) var(--space-3xl);
  padding: clamp(2.5rem, 2rem + 3vw, 5rem) var(--page-pad);
  background: var(--color-band); border: var(--rule-hair); border-radius: var(--radius-2xl);
}
.cta-band h2 { max-width: 24ch; margin-inline: auto; margin-bottom: var(--space-md); }
.cta-band p { max-width: 44ch; margin-inline: auto; margin-bottom: var(--space-xl); color: var(--color-neutral); }

/* ---------- Ft5 statement footer ---------- */
.footer { border-top: var(--rule-hair); padding-block: var(--space-2xl) var(--space-xl); }
.footer__statement { font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); line-height: 1.2; color: var(--color-ink); max-width: 28ch; margin-bottom: var(--space-2xl); }
.footer__meta { display: flex; flex-wrap: wrap; gap: var(--space-md) var(--space-xl); align-items: baseline; font-size: var(--text-sm); color: var(--color-neutral); }
.footer__meta a { color: var(--color-neutral); min-height: auto; transition: color var(--dur-fast) var(--ease-out); }
.footer__meta a:hover { color: var(--color-ink); }

/* ---------- reveal on scroll · fade only, atmospheric discipline ---------- */
.fade { opacity: 0; translate: 0 14px; transition: opacity 0.5s var(--ease-out), translate 0.5s var(--ease-out); }
.fade.in { opacity: 1; translate: 0 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { transition-duration: 120ms; translate: 0 0; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* ---------- utilities ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
@media (max-width: 60rem) {
  .grid-2, .grid-3 { grid-template-columns: minmax(0, 1fr); }
}
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* ---------- dropdown submenu under «Возможности» (desktop hover/focus, mobile inline) ---------- */
.nav__links li { position: relative; }
.nav__links li.has-sub > a::after { content: " ▾"; font-size: 0.7em; color: var(--color-neutral); }
.nav__sub {
  display: none; position: absolute; top: 100%; left: 50%; translate: -50% 0;
  padding: var(--space-xs); margin: 0; list-style: none; min-width: 14rem;
  border: var(--rule-hair); border-radius: var(--radius-lg);
  background: oklch(16% 0.014 265 / 0.97);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lift); z-index: 60;
}
.nav__links li.has-sub:hover > .nav__sub,
.nav__links li.has-sub:focus-within > .nav__sub { display: block; }
.nav__sub li { position: static; }
.nav__sub a {
  display: block; padding: var(--space-xs) var(--space-md); min-height: 40px;
  border-radius: var(--radius-sm); font-size: var(--text-sm); color: var(--color-neutral);
  white-space: nowrap; transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.nav__sub a:hover { background: var(--color-paper-3); color: var(--color-ink); }
@media (max-width: 60rem) {
  .nav__sub, .nav__links li.has-sub:hover > .nav__sub {
    display: block; position: static; translate: none; min-width: 0;
    border: none; box-shadow: none; background: none;
    padding: 0 0 var(--space-xs) var(--space-lg);
    backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .nav__sub a { min-height: 44px; display: flex; align-items: center; }
  .nav__links li.has-sub > a::after { content: ""; }
}

@media (max-width: 60rem) {
  .nav__links { max-height: calc(100dvh - 6.5rem); overflow-y: auto; }
}

/* ---------- S54-J1 мега-меню «Возможности»: 5 групп по задачам владельца ---------- */
.nav__sub.nav__mega { display: none; grid-template-columns: repeat(5, minmax(10rem, 1fr)); gap: var(--space-xs) var(--space-md); padding: var(--space-md); min-width: 0; width: min(64rem, 92vw); }
.nav__links li.has-sub:hover > .nav__mega,
.nav__links li.has-sub:focus-within > .nav__mega { display: grid; }
.nav__mega > li > span { display: block; padding: var(--space-xs) var(--space-md); font-family: var(--font-outlier); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-accent); }
.nav__mega ul { list-style: none; padding: 0; margin: 0; }
.nav__mega a { white-space: normal; }
.nav__mega .nav__all { grid-column: 1 / -1; border-top: var(--rule-hair); padding-top: var(--space-xs); }
@media (max-width: 60rem) {
  .nav__sub.nav__mega, .nav__links li.has-sub:hover > .nav__mega { display: block; width: auto; padding: 0 0 var(--space-xs) var(--space-md); }
  .nav__mega > li > span { padding-left: 0; }
}

/* ---------- S54-J1: экраны «вписаны» — витрина с мягким свечением и рамкой окна ---------- */
.shot:not(.shot--phone), .mega .shot {
  position: relative; padding: clamp(0.75rem, 1.6vw, 1.5rem); border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 60% at 75% 0%, color-mix(in oklch, var(--color-bloom) 45%, transparent), transparent 70%),
    radial-gradient(60% 50% at 10% 100%, color-mix(in oklch, var(--color-accent-deep) 22%, transparent), transparent 70%),
    linear-gradient(160deg, var(--color-paper-3), var(--color-paper-2));
  border: 1px solid var(--color-rule);
}
.shot:not(.shot--phone) img { border-radius: var(--radius-md); box-shadow: 0 18px 50px -18px oklch(0% 0 0 / 0.75); }
.shot:not(.shot--phone) figcaption { margin-top: var(--space-sm); padding-inline: var(--space-2xs); }
.shot--phone { padding: var(--space-md); border-radius: calc(var(--radius-lg) + 8px);
  background: radial-gradient(80% 60% at 50% 0%, color-mix(in oklch, var(--color-bloom) 45%, transparent), transparent 70%), var(--color-paper-2);
  border: 1px solid var(--color-rule); }

/* ---------- Д8: пиксельная марка «ШЕЛДОН_» (вариант D «битый пиксель») ---------- */
.logo { display: block; width: auto; height: 1em; overflow: visible; }
.nav__brand { display: inline-flex; align-items: center; color: var(--color-ink); white-space: nowrap; }
.nav__brand .logo { height: 1.65em; }
.footer__brand { display: inline-flex; align-items: center; color: var(--color-ink); }
.footer__brand .logo { height: 1.35em; }
.ideal__brand .logo { height: 0.95em; margin-block: 0.1em; }
.logo__cursor { animation: logo-blink 1.1s steps(1, end) infinite; }
@keyframes logo-blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .logo__cursor { animation: none; } }

/* ---------- S55-B1: мобильное меню — «Возможности» свёрнуты, раскрываются тапом (js/site.js) ---------- */
@media (max-width: 60rem) {
  .nav .nav__links li.has-sub:not(.is-expanded) > .nav__sub { display: none; }
  .nav .nav__links li.has-sub.is-expanded > .nav__sub { display: block; }
  .nav .nav__links li.has-sub > a { display: flex; align-items: center; justify-content: space-between; }
  .nav .nav__links li.has-sub > a::after { content: "▾"; font-size: 0.9em; color: var(--color-neutral); transition: rotate var(--dur-fast) var(--ease-out); }
  .nav .nav__links li.has-sub.is-expanded > a::after { rotate: 180deg; }
}