/* ─── FuturaPT web fonts ────────────────────────────────────────────────────── */
@font-face {
  font-family: 'FuturaPT';
  src: url('../fonts/FuturaPT-Book.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'FuturaPT';
  src: url('../fonts/FuturaPT-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'FuturaPT';
  src: url('../fonts/FuturaPT-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ─── Brand tokens ─────────────────────────────────────────────────────────── */
:root {
  --dh-brand:        #FF6325;
  --dh-brand-hover:  #E55420;
  --dh-ink:          #0D0D10;
  --dh-ink-dark:     #060609;
  --dh-ink-mid:      #1C1C22;
  --dh-muted:        #72758C;
  --dh-line:         rgba(255,255,255,0.07);

  /* Override Material font variables */
  --md-text-font:    "FuturaPT";
  --md-text-font-family: 'FuturaPT', 'Open Sans', system-ui, sans-serif;

  /* Material overrides — dark by default (slate) */
  --md-primary-fg-color:            var(--dh-ink);
  --md-primary-fg-color--light:     var(--dh-ink-mid);
  --md-primary-fg-color--dark:      var(--dh-ink-dark);
  --md-accent-fg-color:             var(--dh-brand);
  --md-accent-fg-color--transparent: rgba(255,99,37,.12);
  --md-typeset-a-color:             var(--dh-brand);
  --md-default-bg-color:            #0E0E12;
  --md-default-fg-color:            rgba(255,255,255,.92);
  --md-default-fg-color--light:     rgba(255,255,255,.72);
  --md-default-fg-color--lighter:   rgba(255,255,255,.46);
  --md-default-fg-color--lightest:  rgba(255,255,255,.08);
  --md-typeset-color:               rgba(255,255,255,.90);
  --md-code-bg-color:               #0A0A0E;
  --md-typeset-font-size:           0.82rem;
}

[data-md-color-scheme='slate'] {
  --md-default-bg-color:            #0E0E12;
  --md-default-fg-color:            rgba(255,255,255,.92);
  --md-default-fg-color--light:     rgba(255,255,255,.72);
  --md-default-fg-color--lighter:   rgba(255,255,255,.46);
  --md-default-fg-color--lightest:  rgba(255,255,255,.08);
  --md-typeset-color:               rgba(255,255,255,.90);
  --md-code-bg-color:               #0A0A0E;
  --md-accent-fg-color:             var(--dh-brand);
  --md-accent-fg-color--transparent: rgba(255,99,37,.12);
  --md-typeset-a-color:             var(--dh-brand);
}

[data-md-color-scheme='default'] {
  --md-default-bg-color:            #F4F4F8;
  --md-default-fg-color:            rgba(13,13,16,.92);
  --md-default-fg-color--light:     rgba(13,13,16,.72);
  --md-default-fg-color--lighter:   rgba(13,13,16,.48);
  --md-default-fg-color--lightest:  rgba(13,13,16,.08);
  --md-typeset-color:               rgba(13,13,16,.90);
  --md-code-bg-color:               #EEEEF3;
  --md-primary-fg-color:            #0D0D10;
  --md-primary-fg-color--light:     #1C1C22;
  --md-primary-fg-color--dark:      #060609;
  --dh-line:                        rgba(13,13,16,.08);
}

/* ─── Global font override ──────────────────────────────────────────────────── */
html {
  font-family: 'FuturaPT', 'Open Sans', system-ui, sans-serif !important;
}

body,
.md-typeset,
.md-nav,
.md-nav__link,
.md-tabs__link,
.md-header__title,
.md-search__input,
.md-footer,
.md-source__repository,
.md-sidebar,
.md-content {
  font-family: 'FuturaPT', 'Open Sans', system-ui, sans-serif;
}

/* ─── Body ─────────────────────────────────────────────────────────────────── */
html, body {
  background: var(--md-default-bg-color);
}

/* ─── Header ───────────────────────────────────────────────────────────────── */
.md-header {
  background: var(--dh-ink-dark);
  box-shadow: 0 1px 0 var(--dh-line);
}

.md-header__inner {
  height: 3.2rem;
  align-items: center;
  display: flex;
}

.md-header__spacer {
  flex: 1;
}

.md-header__button.md-logo {
  margin: 0 0.2rem 0 0;
  padding: 0;
}
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.2rem;
  width: auto;
}

.md-header__title {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,.45);
  letter-spacing: 0.01em;
  margin-left: 0.4rem;
}

.md-header__button {
  color: rgba(255,255,255,.60);
}
.md-header__button:hover {
  color: #fff;
}

/* ─── Tabs ─────────────────────────────────────────────────────────────────── */
.md-tabs {
  background: var(--dh-ink-dark);
  border-top: 1px solid var(--dh-line);
}

.md-tabs__list {
  padding: 0;
}

.md-tabs__item {
  height: 2.6rem;
}

.md-tabs__link {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  color: rgba(255,255,255,.50);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-top: 0;
  padding: 0 0.05rem;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
  opacity: 1;
  transition: color 150ms ease;
}
.md-tabs__link:hover {
  color: rgba(255,255,255,.88);
}
.md-tabs__link--active {
  color: #fff;
}
.md-tabs__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--dh-brand);
  border-radius: 2px 2px 0 0;
}

/* ─── Left sidebar ─────────────────────────────────────────────────────────── */
.md-nav__title {
  color: var(--dh-brand);
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1.2rem 0.6rem 0.45rem;
}
.md-nav__title .md-nav__button.md-logo {
  display: none;
}

.md-nav__link {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255,255,255,.60);
  border-radius: 0.4rem;
  padding: 0.3rem 0.6rem;
  margin: 0.03rem 0;
  transition: color 120ms, background 120ms;
}
.md-nav__link:hover {
  color: rgba(255,255,255,.95);
  background: rgba(255,255,255,.05);
}
.md-nav__link--active,
.md-nav__link--active:hover {
  color: #fff !important;
  background: #2b1814;
  font-weight: 500;
  box-shadow: inset 2px 0 0 var(--dh-brand);
  border-radius: 0 0.4rem 0.4rem 0;
}

/* Nav links that are active but not collapsible */
.md-nav__item:not(.md-nav__item--nested) > .md-nav__link--active {
  color: var(--dh-brand) !important;
  background: transparent;
  box-shadow: none;
  border-radius: 0.4rem;
  font-weight: 500;
}

/* Section toggle labels (collapsible groups) — hidden */
.md-nav__item--nested > label.md-nav__link {
  display: none;
}

/* Inner sub-group headers ("Общая методология", "1С") — show as muted sub-headers */
.md-nav__item--nested .md-nav__item--section.md-nav__item--nested > label.md-nav__link {
  display: flex;
  color: rgba(255,255,255,.30);
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 1.0rem 0.6rem 0.2rem;
  pointer-events: none;
  background: none;
  box-shadow: none;
  border-radius: 0;
  margin: 0;
}
.md-nav__item--nested .md-nav__item--section.md-nav__item--nested > label.md-nav__link .md-nav__icon {
  display: none;
}

/* Indent items under inner sub-groups */
.md-nav__item--nested .md-nav__item--section.md-nav__item--nested > .md-nav .md-nav__link {
  padding-left: 1.2rem;
}


/* ─── Right TOC sidebar ────────────────────────────────────────────────────── */
.md-nav--secondary .md-nav__title {
  font-size: 0.7rem;
  color: rgba(255,255,255,.38);
  letter-spacing: 0.08em;
}
.md-nav--secondary .md-nav__link {
  font-size: 0.8rem;
  color: rgba(255,255,255,.50);
}
.md-nav--secondary .md-nav__link:hover {
  color: rgba(255,255,255,.90);
  background: transparent;
}
.md-nav--secondary .md-nav__link--active {
  color: var(--dh-brand);
  background: transparent;
  box-shadow: none;
  font-weight: 500;
}

/* ─── Content ──────────────────────────────────────────────────────────────── */
.md-main {
  background: var(--md-default-bg-color);
}

.md-content__inner {
  padding: 1.6rem 1.6rem 3.5rem;
}

/* ─── Typography ───────────────────────────────────────────────────────────── */
.md-typeset {
  font-family: 'FuturaPT', 'Open Sans', system-ui, sans-serif;
  font-size: var(--md-typeset-font-size);
  line-height: 1.75;
  color: var(--md-typeset-color);
}

.md-typeset h1 {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 1.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 1rem;
  color: rgba(255,255,255,.96);
}

.md-typeset h2 {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 2.6rem;
  color: rgba(255,255,255,.92);
}

.md-typeset h3 {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  color: rgba(255,255,255,.88);
}

.md-typeset h4 {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: rgba(255,255,255,.80);
}

.md-typeset a {
  color: var(--dh-brand);
}
.md-typeset a:hover {
  color: var(--dh-brand-hover);
}

.md-typeset code {
  background: var(--md-code-bg-color);
  border-radius: 0.3rem;
  font-size: 0.85em;
  padding: 0.1em 0.35em;
}

.md-typeset pre {
  border-radius: 0.75rem;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 0.75rem;
}

.md-typeset .md-button {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.md-typeset .md-button--primary {
  background: var(--dh-brand);
  border-color: var(--dh-brand);
  color: #fff;
}
.md-typeset .md-button--primary:hover {
  background: var(--dh-brand-hover);
  border-color: var(--dh-brand-hover);
}

/* ─── Search ───────────────────────────────────────────────────────────────── */
.md-search__form {
  background: rgba(255,255,255,.08);
  border-radius: 999px;
}
.md-search__form:focus-within {
  background: rgba(255,255,255,.12);
}
.md-search__input {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  color: rgba(255,255,255,.90);
}
.md-search__input::placeholder {
  color: rgba(255,255,255,.38);
}

/* ─── Brand home page ───────────────────────────────────────────────────────── */
.brand-home {
  display: grid;
  gap: 2rem;
}

.brand-hero {
  background:
    linear-gradient(135deg, rgba(255,99,37,.10) 0%, rgba(255,255,255,.01) 60%),
    rgba(255,255,255,.02);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 1.5rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0,1.6fr) minmax(18rem,.9fr);
  overflow: hidden;
  padding: 2rem;
  position: relative;
}
.brand-hero::after {
  background: url('../brand/hero-bg.svg') no-repeat right center / 18rem;
  content: '';
  inset: auto -2rem -2rem auto;
  opacity: .50;
  pointer-events: none;
  position: absolute;
  width: 20rem;
  height: 20rem;
}

.brand-hero__copy,
.brand-hero__panel {
  position: relative;
  z-index: 1;
}

.brand-hero__logo {
  display: block;
  height: auto;
  margin: 0 0 1.25rem;
  max-width: 11rem;
}

.brand-hero h1 {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  color: rgba(255,255,255,.95);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin-bottom: 0.8rem;
  max-width: 30rem;
}

.brand-kicker {
  color: var(--dh-brand);
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0;
  text-transform: uppercase;
}

.brand-hero__lead {
  color: rgba(255,255,255,.60);
  font-size: 0.95rem;
  margin: 0;
  max-width: 42rem;
}

.brand-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.brand-hero__panel {
  align-content: start;
  display: grid;
  gap: 1rem;
}

.brand-panel {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 1.1rem;
  padding: 1.1rem;
}
.brand-panel--muted {
  background: rgba(255,255,255,.02);
}
.brand-panel__label {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  color: rgba(255,255,255,.90);
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0 0 0.7rem;
}
.brand-panel__list {
  margin: 0;
  padding-left: 1.1rem;
}
.brand-panel__list li,
.brand-panel__links {
  color: rgba(255,255,255,.55);
  font-size: 0.8rem;
}
.brand-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  margin: 0;
}
.brand-panel__links a {
  color: var(--dh-brand);
  font-weight: 500;
}

.brand-section {
  display: grid;
  gap: 1rem;
}
.brand-section--compact {
  gap: 0.85rem;
}
.brand-section__heading h2 {
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0.1rem 0 0;
  color: rgba(255,255,255,.90);
}

.brand-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0,1fr));
}
.brand-grid--two-up {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.brand-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 1.1rem;
  color: inherit;
  display: block;
  min-height: 11rem;
  padding: 1.15rem;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}
.brand-card:hover {
  border-color: rgba(255,99,37,.35);
  box-shadow: 0 0.75rem 2rem rgba(0,0,0,.45);
  transform: translateY(-2px);
}
.brand-card--static:hover {
  transform: none;
}
.brand-card__eyebrow {
  color: var(--dh-brand);
  display: block;
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  margin-bottom: 0.65rem;
  text-transform: uppercase;
}
.brand-card strong {
  color: rgba(255,255,255,.92);
  display: block;
  font-family: 'FuturaPT', 'Open Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.55rem;
}
.brand-card p,
.brand-note {
  color: rgba(255,255,255,.55);
  font-size: 0.82rem;
  margin: 0;
}
.brand-note {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 1rem;
  padding: 0.9rem 1.1rem;
}

/* ─── Light mode (default scheme) ──────────────────────────────────────────── */
[data-md-color-scheme='default'] .md-header,
[data-md-color-scheme='default'] .md-tabs {
  background: var(--dh-ink-dark);
}
[data-md-color-scheme='default'] .md-typeset h1 {
  color: rgba(13,13,16,.96);
}
[data-md-color-scheme='default'] .md-typeset h2,
[data-md-color-scheme='default'] .md-typeset h3,
[data-md-color-scheme='default'] .md-typeset h4 {
  color: rgba(13,13,16,.90);
}
[data-md-color-scheme='default'] .md-nav__link {
  color: rgba(13,13,16,.65);
}
[data-md-color-scheme='default'] .md-nav__item--nested > label.md-nav__link {
  display: none;
}
[data-md-color-scheme='default'] .md-nav__item--nested .md-nav__item--section.md-nav__item--nested > label.md-nav__link {
  display: flex;
  color: rgba(13,13,16,.30);
}
[data-md-color-scheme='default'] .md-nav__link:hover {
  color: rgba(13,13,16,.95);
  background: rgba(13,13,16,.05);
}
[data-md-color-scheme='default'] .md-nav__link--active {
  color: var(--dh-ink);
  background: rgba(255,99,37,.10);
}
[data-md-color-scheme='default'] .md-nav--secondary .md-nav__link {
  color: rgba(13,13,16,.55);
}
[data-md-color-scheme='default'] .md-nav--secondary .md-nav__link--active {
  color: var(--dh-brand);
}
[data-md-color-scheme='default'] .brand-hero {
  background:
    linear-gradient(135deg, rgba(255,99,37,.07) 0%, rgba(13,13,16,.01) 60%),
    rgba(255,255,255,.90);
  border-color: rgba(13,13,16,.08);
}
[data-md-color-scheme='default'] .brand-panel,
[data-md-color-scheme='default'] .brand-card,
[data-md-color-scheme='default'] .brand-note {
  background: rgba(255,255,255,.80);
  border-color: rgba(13,13,16,.08);
  box-shadow: 0 1rem 2rem rgba(13,13,16,.04);
}
[data-md-color-scheme='default'] .brand-panel--muted {
  background: rgba(240,241,246,.85);
}
[data-md-color-scheme='default'] .brand-hero h1,
[data-md-color-scheme='default'] .brand-panel__label,
[data-md-color-scheme='default'] .brand-card strong {
  color: rgba(13,13,16,.94);
}
[data-md-color-scheme='default'] .brand-hero__lead,
[data-md-color-scheme='default'] .brand-card p,
[data-md-color-scheme='default'] .brand-note,
[data-md-color-scheme='default'] .brand-panel__list li,
[data-md-color-scheme='default'] .brand-panel__links {
  color: rgba(13,13,16,.65);
}
[data-md-color-scheme='default'] .brand-section__heading h2 {
  color: rgba(13,13,16,.90);
}

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media screen and (max-width: 76.2em) {
  .brand-hero {
    grid-template-columns: 1fr;
  }
  .brand-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media screen and (max-width: 60em) {
  .brand-hero {
    padding: 1.25rem;
  }
  .brand-hero::after {
    background-size: 11rem;
    inset: auto -2.5rem -2.5rem auto;
    opacity: .28;
  }
  .brand-grid,
  .brand-grid--two-up {
    grid-template-columns: 1fr;
  }
  .md-typeset h1 {
    font-size: 1.55rem;
  }
  .brand-hero h1 {
    font-size: 1.3rem;
  }
  .brand-section__heading h2 {
    font-size: 1.05rem;
  }
}