/* Kalamos brand overlay. Paper / ink / clay replace Amp olive / teal. */
:root {
  --brand-name: Kalamos;
  --paper: #f9f9f7;
  --ink: #171714;
  --clay: #d97757;
  /* Hazel baseline: 1/2/8 Bespoke Slab, 3 Zodiak, 4/5 Alpino, 6/7 Cabinet Grotesk */
  --font-level-1: "Bespoke Slab", "LXGW WenKai", "Iowan Old Style", Palatino, "Songti SC", serif;
  --font-level-2: "Bespoke Slab", "LXGW WenKai", "Iowan Old Style", Palatino, "Songti SC", serif;
  --font-level-3: "Zodiak", "LXGW WenKai", "Iowan Old Style", Palatino, "Songti SC", serif;
  --font-level-4: "Alpino", "LXGW WenKai", ui-sans-serif, system-ui, "PingFang SC", sans-serif;
  --font-level-5: "Alpino", "LXGW WenKai", ui-sans-serif, system-ui, "PingFang SC", sans-serif;
  --font-level-6: "Cabinet Grotesk", "LXGW WenKai", ui-sans-serif, system-ui, "PingFang SC", sans-serif;
  --font-level-7: "Cabinet Grotesk", "LXGW WenKai", ui-sans-serif, system-ui, "PingFang SC", sans-serif;
  --font-level-8: "Bespoke Slab", "Zhuque Fangsong", "Iowan Old Style", Palatino, "Songti SC", serif;
  --background: var(--paper);
  --banner: var(--paper);
  --banner-fg: var(--ink);
  --foreground: var(--ink);
  --muted-foreground: #66635b;
  --cta: var(--clay);
  --cta-foreground: var(--paper);
  --hero-start-bg: var(--ink);
  --hero-start-fg: var(--paper);
  --ink-button: var(--ink);
  --ink-button-fg: var(--paper);
  --yolk: var(--clay);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171714;
    --ink: #f3efe4;
    --clay: #df8060;
    --muted-foreground: #aaa395;
    --cta-foreground: #171714;
    --hero-start-bg: var(--ink);
    --hero-start-fg: var(--paper);
    --ink-button: var(--ink);
    --ink-button-fg: var(--paper);
    --banner: var(--paper);
    --banner-fg: var(--ink);
  }

  .brand img.wordmark {
    filter: invert(1);
  }
}

[data-type-slot] {
  scroll-margin-block: 18vh;
}

html[data-active-type-slot] [data-type-slot].is-type-slot-active {
  outline: 2px solid var(--clay);
  outline-offset: 6px;
  border-radius: 2px;
}

.news-row[data-type-slot].is-type-slot-active,
.hero-copy [data-type-slot].is-type-slot-active,
.site-footer [data-type-slot].is-type-slot-active {
  outline-offset: -3px;
  box-shadow: inset 0 0 0 2px var(--clay);
}

/* Amp column-guide rails. Content grid stays; decorative verticals go. */
.bg-grid {
  display: none;
}

.header-brand .tick::before,
.hero-title.tick::before {
  display: none;
}

.nav-lang {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
  transition: background 160ms ease;
}

.nav-lang-btn:hover,
.nav-lang:hover > .nav-lang-btn,
.nav-lang:focus-within > .nav-lang-btn {
  background: color-mix(in oklab, var(--foreground) 7%, transparent);
}

.nav-lang-btn:focus {
  outline: none;
}

.nav-lang-btn:focus-visible {
  background: color-mix(in oklab, var(--foreground) 7%, transparent);
}

.nav-lang-icon {
  display: block;
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask: url("../img/icons/translate.svg") center / contain no-repeat;
  mask: url("../img/icons/translate.svg") center / contain no-repeat;
}

.nav-lang-menu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 20;
  min-width: 9rem;
  padding-top: 0.45rem;
  pointer-events: none;
}

.nav-lang-panel {
  padding: 0.28rem;
  border: 1px solid var(--border);
  border-radius: 0.36rem;
  background: var(--paper);
  box-shadow: 0 10px 28px color-mix(in oklab, var(--ink) 10%, transparent);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-lang:hover .nav-lang-menu,
.nav-lang:focus-within .nav-lang-menu {
  pointer-events: auto;
}

.nav-lang:hover .nav-lang-panel,
.nav-lang:focus-within .nav-lang-panel {
  opacity: 1;
  transform: translateY(0);
}

.nav-lang-option {
  display: block;
  width: 100%;
  padding: 0.32rem 0.7rem;
  border: 0;
  border-radius: 0.22rem;
  background: transparent;
  color: var(--foreground);
  font: inherit;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  transition: background 140ms ease;
}

.nav-lang-option:hover {
  background: color-mix(in oklab, var(--foreground) 6%, transparent);
}

.nav-lang-option.is-current {
  font-weight: 500;
}

@media (prefers-reduced-motion: reduce) {
  .nav-lang-btn,
  .nav-lang-panel,
  .nav-lang-option {
    transition: none;
  }

  .nav-lang-panel {
    transform: none;
  }
}

.hero-title-cell,
.hero-copy {
  grid-column: 1 / -1;
}

.hero-title {
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.hero-copy {
  justify-self: start;
  max-width: 46rem;
  text-align: left;
}

.site-footer {
  align-items: start;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 300;
}

.site-footer h3 {
  font-weight: 400;
}

.footer-cols a.footer-handle {
  color: var(--muted-foreground);
  cursor: pointer;
}

.footer-cols a.footer-handle:hover,
.footer-cols a.footer-handle:active {
  color: var(--foreground);
}

.footer-brand {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.footer-brand img.wordmark {
  height: calc(42px * 0.7);
  width: auto;
  display: block;
}

@media (width >= 768px) {
  .footer-brand img.wordmark {
    height: calc(56px * 0.7);
  }
}

.auth-lang {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 1rem;
}

@font-face {
  font-family: "方正黄庭坚行书 简";
  src:
    url("../.local-fonts/FZHuangTJXSJW.TTF") format("truetype"),
    local("方正黄庭坚行书 简"),
    local("FZHuangTingJianXingShuS"),
    local("FZHuangTJXSJW"),
    local("FZHUANGTJXSS--GB1-0");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

html[data-lab-lang="zh-Hans"] h1.hero-title,
html[data-lab-lang="zh-Hans"] h1.type-4xl.font-display.hero-title {
  font-family: "方正黄庭坚行书 简", "FZHuangTJXSJW", "Songti SC", STSong, serif;
  font-size: calc(var(--type-4xl) * 1.3);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-synthesis: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Homepage canvas: one Kalamos paper. Hide Amp hero wash and olive banner. */
html, body {
  background: var(--paper);
}

.hero {
  background: var(--paper);
}

.hero-bg {
  display: none;
}

.sub-banner {
  background: var(--paper);
  color: var(--ink);
}

.sub-banner::before {
  display: none;
}

.sub-banner > * {
  color: var(--ink);
}

.sub-banner p {
  color: var(--muted-foreground);
}