/* Hallmark · genre: editorial · macrostructure: Letter · theme: Atelier (custom-tuned)
 * tone: luxury-editorial · anchor hue: 48 (ochre-terracotta) · nav: N9 · footer: Ft6
 * enrichment: Photographic-inline (real portrait) · polish: HP4 decorative-numeral
 * pre-emit critique: P5 H5 E5 S4 R5 V5
 * contrast: pass (46–50) · slop: pass (51–55) · honest: pass (56) · chrome: pass (57)
 * tokens: pass (58) · responsive: pass (59) · icons: pass (60) · mobile: pass (36, 59, 61–69)
 */

@import url("tokens.css");

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  overflow-x: clip;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.62;
  font-variant-numeric: oldstyle-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
@media (prefers-reduced-motion: no-preference) {
  html:focus-within { scroll-behavior: smooth; }
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 400; overflow-wrap: anywhere; min-width: 0; }
p { margin: 0; }
::selection { background: oklch(58% 0.15 48 / 0.22); }

/* ---------- Layout helpers ---------- */
.wrap { max-width: 78rem; margin-inline: auto; padding-inline: var(--page-gutter); }
.measure { max-width: var(--measure); }
.section { padding-block: var(--space-3xl); }
.section--tight { padding-block: var(--space-2xl); }
.rule { border: 0; border-top: var(--rule-hair); margin: 0; }
.muted { color: var(--color-muted); }
.dim { color: var(--color-neutral); }
mark, .mark {
  background: linear-gradient(transparent 62%, oklch(58% 0.15 48 / 0.28) 62%);
  color: inherit; padding: 0 0.04em;
}

/* eyebrow label — mono small-caps (used sparingly, always stacked above heading) */
.eyebrow {
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  display: block;
  margin-bottom: var(--space-md);
}

/* ---------- Section heading (stacked, never hanging) ---------- */
.shead { max-width: 26ch; }
.shead__title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: var(--text-2xl);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--color-ink-deep);
}
.shead__title em { font-style: italic; }
.shead__lede {
  margin-top: var(--space-md);
  max-width: 52ch;
  color: var(--color-muted);
  font-size: var(--text-md);
  line-height: 1.55;
}

/* ---------- Reveal-once motion ---------- */
.reveal {
  opacity: 0;
  transform: translateY(10px);
}
.reveal.is-in {
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}
@keyframes reveal { to { opacity: 1; transform: none; } }

/* ---------- Links ---------- */
.link {
  color: var(--color-accent-2);
  text-decoration: none;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: background-size var(--dur-short) var(--ease-out), color var(--dur-micro) var(--ease-out);
}
.link:hover { background-size: 100% 1.5px; color: var(--color-accent); }
.link:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink-deep);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-outlier);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--btn-fg);
  background: var(--btn-bg);
  padding: 0.72em 1.25em;
  border: 1.5px solid var(--color-ink-deep);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out),
              background-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out);
}
.btn:hover { transform: translateY(-1px); background: var(--color-ink-deep); color: var(--color-paper); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.btn--accent {
  border-color: var(--color-accent-2);
  --btn-fg: var(--color-accent-2);
}
.btn--accent:hover { background: var(--color-accent-2); color: var(--color-accent-ink); }
.btn--ghost { border-color: var(--color-rule-2); --btn-fg: var(--color-muted); }
.btn--ghost:hover { background: var(--color-paper-3); color: var(--color-ink-deep); }
.btn .arrow { font-family: var(--font-body); text-transform: none; }

/* ---------- N9 · Edge-aligned minimal nav ---------- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-lg) var(--page-gutter);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: color-mix(in oklab, var(--color-paper) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: var(--rule-hair);
}
.wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink-deep);
  text-decoration: none;
}
.wordmark .ai { font-style: normal; color: var(--color-accent-2); font-family: var(--font-outlier); font-size: 0.62em; letter-spacing: 0.08em; vertical-align: 0.18em; }
.nav__cta { font-family: var(--font-outlier); font-size: var(--text-sm); letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none; color: var(--color-ink-deep); border-bottom: 1.5px solid var(--color-accent); padding-bottom: 2px; transition: color var(--dur-micro) var(--ease-out); }
.nav__cta:hover { color: var(--color-accent); }
.nav__cta:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.nav__right { display: flex; align-items: center; gap: var(--space-lg); }

/* ---------- Language switcher (RU / EN / UZ) ---------- */
.langswitch {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: color-mix(in oklab, var(--color-paper) 70%, transparent);
}
.langswitch__btn {
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-neutral);
  padding: 0.34em 0.62em;
  line-height: 1;
  transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
}
.langswitch__btn + .langswitch__btn { border-left: 1px solid var(--color-rule); }
.langswitch__btn:hover { color: var(--color-ink-deep); background: var(--color-paper-2); }
.langswitch__btn.is-active { color: var(--color-accent-ink); background: var(--color-accent-2); }
.langswitch__btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
@media (max-width: 520px) {
  .nav__right { gap: var(--space-md); }
  .nav__cta { display: none; }
}

/* ---------- Letter hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: stretch;
  padding-block: var(--space-xl) var(--space-3xl);
}
.hero__salute {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-accent-2);
  margin-bottom: var(--space-lg);
}
.hero__display {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: var(--text-display);
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--color-ink-deep);
  max-width: 16ch;
}
.hero__display em { font-style: italic; }
.hero__lede {
  margin-top: var(--space-lg);
  max-width: 44ch;
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--color-muted);
}
.hero__meta {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral);
}
.hero__meta span { display: inline-flex; align-items: center; gap: var(--space-xs); }
.hero__meta span::before { content: ""; width: 5px; height: 5px; background: var(--color-accent); border-radius: 50%; flex: none; }
/* Photo block — tech-business frame: clean lines, light lift, soft ochre accent.
   Brightened filter so the portrait reads lighter/airier than the source file. */
.hero__figure {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.hero__figure img {
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: var(--radius-md);
  filter: saturate(1.02);
  box-shadow:
    inset 0 0 0 1px oklch(58% 0.15 48 / 0.16),
    0 1px 2px oklch(20% 0.02 48 / 0.10),
    0 18px 40px -18px oklch(30% 0.04 48 / 0.30);
  transition: transform var(--dur-long) var(--ease-out), box-shadow var(--dur-long) var(--ease-out);
}
.hero__figure:hover img {
  transform: translateY(-3px);
  box-shadow:
    inset 0 0 0 1px oklch(58% 0.15 48 / 0.16),
    0 2px 4px oklch(20% 0.02 48 / 0.12),
    0 26px 52px -20px oklch(30% 0.05 48 / 0.36);
}
.hero__figure figcaption {
  margin-top: var(--space-sm);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral);
}
.hero__sign {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--color-ink-deep);
}

/* ---------- Letter body (the principle / narrative) ---------- */
.letter { padding-block: var(--space-2xl) var(--space-3xl); }
.letter__col { max-width: var(--measure); }
.letter__col p { margin-bottom: var(--space-lg); font-size: var(--text-md); line-height: 1.66; }
.letter__col p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 3.4em;
  line-height: 0.78;
  float: left;
  padding-right: var(--space-sm);
  padding-top: 0.06em;
  color: var(--color-accent-2);
  font-style: italic;
}
.letter__sep {
  text-align: center;
  color: var(--color-rule-2);
  letter-spacing: 0.5em;
  margin-block: var(--space-xl);
  font-family: var(--font-display);
}
.pull {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: 1.22;
  color: var(--color-ink-deep);
  max-width: 24ch;
  margin-block: var(--space-2xl);
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-accent);
}

/* ---------- Path / timeline (HP4 decorative numerals) ---------- */
.path { display: grid; gap: 0; }
.path__row {
  display: grid;
  grid-template-columns: minmax(0, 9rem) minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: baseline;
  padding-block: var(--space-xl);
  border-top: var(--rule-hair);
}
.path__row:last-child { border-bottom: var(--rule-hair); }
.path__year {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-numeral);
  line-height: 0.9;
  color: var(--color-paper-3);
  letter-spacing: -0.03em;
  font-variant-numeric: lining-nums;
  -webkit-text-stroke: 1px var(--color-rule-2);
  color: transparent;
}
.path__body h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.12;
  color: var(--color-ink-deep);
  margin-bottom: var(--space-xs);
}
.path__body .when {
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  display: block;
  margin-bottom: var(--space-sm);
}
.path__body p { color: var(--color-muted); font-size: var(--text-md); max-width: 56ch; }

/* ---------- Book ---------- */
.book {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: center;
}
.book__cover {
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 4px oklch(20% 0.03 48 / 0.14), 0 0 0 1px var(--color-rule);
  transform: rotate(-1.4deg);
  transition: transform var(--dur-long) var(--ease-out);
  max-width: 24rem;
  margin-inline: auto;
}
.book__cover:hover { transform: rotate(0deg) translateY(-4px); }
.book__title { font-family: var(--font-display); font-size: var(--text-2xl); line-height: 1.06; color: var(--color-ink-deep); letter-spacing: -0.015em; }
.book__title em { font-style: italic; }
.book__sub { margin-top: var(--space-sm); color: var(--color-accent-2); font-style: italic; font-size: var(--text-md); }
.book__desc { margin-top: var(--space-lg); max-width: 50ch; color: var(--color-muted); font-size: var(--text-md); }
.book__pts { list-style: none; margin: var(--space-lg) 0; padding: 0; display: grid; gap: var(--space-sm); }
.book__pts li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-sm); align-items: baseline; }
.book__pts li::before { content: "§"; font-family: var(--font-display); color: var(--color-accent); font-style: italic; }
.book__pts strong { font-family: var(--font-body); font-weight: 600; color: var(--color-ink-deep); }
.book__pts span { color: var(--color-neutral); }
.book__cta { margin-top: var(--space-lg); display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ---------- Workshop / partner offer ---------- */
.offer { background: var(--color-paper-2); border-radius: var(--radius-md); border: var(--rule-hair); }
.offer__inner { padding: clamp(2rem, 5vw, 4rem); }
.offer__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--space-2xl); align-items: start; }
.offer__title { font-family: var(--font-display); font-size: var(--text-3xl); line-height: 1.02; color: var(--color-ink-deep); letter-spacing: -0.02em; }
.offer__title em { font-style: italic; color: var(--color-accent-2); }
.offer__lede { margin-top: var(--space-lg); max-width: 46ch; color: var(--color-muted); font-size: var(--text-md); }
.offer__days { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.offer__days li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-top: var(--rule-hair);
  align-items: baseline;
}
.offer__days li:last-child { border-bottom: var(--rule-hair); }
.offer__days .d {
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  white-space: nowrap;
}
.offer__days .t { color: var(--color-ink); font-size: var(--text-base); }
.offer__cta { margin-top: var(--space-xl); display: flex; gap: var(--space-md); flex-wrap: wrap; }
.offer__partner {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--rule-strong);
}
.offer__partner h3 { font-family: var(--font-display); font-style: italic; font-size: var(--text-lg); color: var(--color-ink-deep); margin-bottom: var(--space-sm); }
.offer__partner p { color: var(--color-muted); font-size: var(--text-base); max-width: 44ch; }

/* ---------- Media / interviews ---------- */
.media__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); gap: var(--space-2xl); margin-top: var(--space-2xl); }
.media__item h3 { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-ink-deep); margin-bottom: var(--space-2xs); }
.media__item .src { font-family: var(--font-outlier); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent-2); margin-bottom: var(--space-md); display: block; }
.embed { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-md); overflow: hidden; border: var(--rule-hair); background: var(--color-paper-3); }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.embed__ph {
  position: absolute; inset: 0; display: grid; place-content: center; gap: var(--space-sm); text-align: center; padding: var(--space-lg);
  background: repeating-linear-gradient(135deg, var(--color-paper-2), var(--color-paper-2) 14px, var(--color-paper-3) 14px, var(--color-paper-3) 28px);
}
.embed__ph .glyph { font-family: var(--font-display); font-style: italic; font-size: var(--text-2xl); color: var(--color-rule-2); }
.embed__ph .label { font-family: var(--font-outlier); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-neutral); }

/* ---------- Social ---------- */
.social__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 0; margin-top: var(--space-xl); border-top: var(--rule-hair); }
.social__link {
  display: flex; flex-direction: column; gap: var(--space-2xs);
  padding: var(--space-lg) var(--space-md);
  text-decoration: none; color: var(--color-ink);
  border-bottom: var(--rule-hair); border-right: var(--rule-hair);
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-micro) var(--ease-out);
}
.social__link:hover { background: var(--color-paper-2); color: var(--color-accent-2); }
.social__link:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -3px; }
.social__link .net { font-family: var(--font-display); font-size: var(--text-md); font-style: italic; }
.social__link .handle { font-family: var(--font-outlier); font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-neutral); }

/* ---------- Ft6 · Letter close footer ---------- */
.foot { padding: var(--space-3xl) var(--page-gutter) var(--space-2xl); border-top: var(--rule-strong); }
.foot__close { font-family: var(--font-display); font-style: italic; font-size: var(--text-xl); line-height: 1.35; color: var(--color-ink-deep); max-width: 30ch; }
.foot__sign { font-style: normal; font-weight: 600; color: var(--color-accent-2); }
.foot__ps { margin-top: var(--space-lg); max-width: 52ch; font-size: var(--text-base); color: var(--color-muted); }
.foot__legal { margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: var(--rule-hair); display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); font-family: var(--font-outlier); font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-neutral); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .hero__figure { order: -1; max-width: 24rem; min-height: 0; }
  .hero__figure img { flex: none; aspect-ratio: 4 / 5; }
  .book { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .book__cover { order: -1; max-width: 18rem; }
  .offer__grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .path__row { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
  .path__year { font-size: var(--text-4xl); }
}
@media (max-width: 520px) {
  .shead { max-width: none; }
  .hero__display { max-width: none; }
  .pull { margin-block: var(--space-xl); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; animation: none; }
  .book__cover { transform: rotate(-1.4deg); }
}