:root { --header-h: 68px; }
.main { position: relative; z-index: 2; }
.shell { width: min(100% - var(--gutter) * 2, var(--shell)); margin-inline: auto; }

.page-head {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin: clamp(48px, 8vw, 110px) auto clamp(28px, 4vw, 52px);
  position: relative;
}
.page-head::after {
  content: ''; display: block; width: 120px; height: 4px;
  background: var(--ink); margin-top: 20px;
  clip-path: polygon(0 0, 100% 22%, 96% 100%, 0 78%);
}
.page-head__title { margin: 0; }
.page-head__intro { color: var(--muted); max-width: var(--measure); margin: 16px 0 0; font-size: var(--step-1); }

.blog-shell {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin: 0 auto clamp(60px, 10vw, 140px);
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: start;
}
.blog-shell__main { min-width: 0; }
.blog-shell__side { display: grid; gap: 28px; position: sticky; top: 32px; }

.card-grid { display: grid; gap: clamp(18px, 2.4vw, 30px); grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }

@media (max-width: 940px) {
  .blog-shell { grid-template-columns: 1fr; }
  .blog-shell__side { position: static; }
}

/* ------------------------------------------------------------ announce -- */
.announce {
  position: relative; z-index: 21;
  background: linear-gradient(90deg, var(--deep), var(--ink) 55%, var(--deep));
  color: var(--bone);
}
.announce__inner { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 8px 0; }
.announce__dot {
  flex: none; width: 7px; height: 7px; background: var(--bone);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation: announce-pulse 2.4s var(--ease) infinite;
}
.announce__text {
  margin: 0; text-align: center; font-family: var(--font-display);
  font-size: .84rem; letter-spacing: .1em; text-transform: uppercase; line-height: 1.3;
}
.announce__text--link { color: inherit; text-decoration: none; border-bottom: 1px solid transparent; }
.announce__text--link:hover, .announce__text--link:focus-visible { border-bottom-color: currentColor; }
@keyframes announce-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .announce__dot { animation: none; } }

/* ---------------------------------------------------------------- header -- */
.site-header {
  position: relative; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-sticky { position: sticky; top: 0; }
.site-header.is-stuck {
  background: color-mix(in srgb, var(--bg) 97%, transparent);
  border-bottom-color: var(--ink);
  box-shadow: 0 12px 34px rgb(0 0 0 / .5);
}
.site-header__inner {
  position: relative;
  display: flex; align-items: center; gap: clamp(14px, 3vw, 40px);
  min-height: var(--header-h);
}
.site-header__brand {
  display: inline-flex; align-items: center; gap: 12px;
  margin-right: auto; color: var(--bone); text-decoration: none;
  font-family: var(--font-display); font-size: var(--step-2);
  letter-spacing: .06em; text-transform: uppercase; line-height: 1;
}
.site-header__brand:hover { color: var(--ink); }
.site-header__logo { display: block; width: auto; height: clamp(30px, 4vw, 40px); object-fit: contain; }
.site-header__wordmark { display: block; }

.site-header__actions { display: flex; align-items: center; gap: clamp(10px, 1.6vw, 20px); }
.header-socials { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.header-socials__link {
  display: grid; place-items: center; width: 34px; height: 34px;
  color: var(--muted); border: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.header-socials__link:hover, .header-socials__link:focus-visible { color: var(--ink); border-color: var(--line); }
.site-header__cta { white-space: nowrap; }
.site-header__suggest { white-space: nowrap; }

/* Centred: wordmark on its own line, everything else beneath it. */
.site-header--center .site-header__inner {
  flex-wrap: wrap; justify-content: center; padding-block: 14px; gap: 10px 20px;
}
.site-header--center .site-header__brand { margin-right: 0; flex-basis: 100%; justify-content: center; }
.site-header--center .nav__list { justify-content: center; }

/* Split: the wordmark sits in the middle with the links pushed either side. */
@media (min-width: 941px) {
  .site-header--split .site-header__brand {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); margin: 0;
  }
  .site-header--split .nav { flex: 1; display: flex; justify-content: space-between; gap: 30px; }
  .site-header--split .nav__list:only-child { margin-inline: auto; }
}

/* Sitting over a hero: no chrome until the page scrolls. */
body.is-header-over .main { margin-top: calc(var(--header-h) * -1); }
body.is-header-over .site-header {
  background: transparent; backdrop-filter: none; border-bottom-color: transparent; box-shadow: none;
}
body.is-header-over .site-header.is-stuck {
  background: color-mix(in srgb, var(--bg) 97%, transparent);
  backdrop-filter: blur(10px); border-bottom-color: var(--ink);
  box-shadow: 0 12px 34px rgb(0 0 0 / .5);
}
body.is-header-over .main > section.block--hero:first-of-type .hero__inner {
  padding-top: calc(clamp(64px, 11vw, 140px) + var(--header-h));
}

/* ------------------------------------------------------------------ nav -- */
.nav__list { display: flex; align-items: center; gap: clamp(10px, 1.8vw, 26px); list-style: none; margin: 0; padding: 0; }
.nav__item { position: relative; }
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 2px; color: var(--bone); text-decoration: none; white-space: nowrap;
  font-family: var(--font-display); font-size: 1.05rem;
  letter-spacing: .08em; text-transform: uppercase;
  transition: color var(--dur) var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 2px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__link:hover, .nav__link.is-current, .nav__sublink:hover, .nav__sublink.is-current { color: var(--ink); }
.nav__link:hover::after, .nav__link:focus-visible::after, .nav__link.is-current::after { transform: scaleX(1); }
.nav__icon { flex: none; }

/* A parent link says so with a caret, then opens on hover or keyboard focus. */
.nav__item.has-children > .nav__link .nav__text::after {
  content: ""; display: inline-block; width: 5px; height: 5px; margin-left: 9px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}
.nav__sub {
  position: absolute; top: 100%; left: -14px; z-index: 5;
  min-width: 214px; display: grid; gap: 2px; list-style: none; margin: 0; padding: 8px;
  background: var(--panel); border: 1px solid var(--line); border-top: 2px solid var(--ink);
  box-shadow: 0 18px 40px rgb(0 0 0 / .5);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
}
.nav__item.has-children:hover > .nav__sub,
.nav__item.has-children:focus-within > .nav__sub {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s;
}
.nav__sublink {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  color: var(--bone); text-decoration: none; font-size: .95rem;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav__sublink:hover, .nav__sublink.is-current { background: var(--panel-2); }

/* A top-level link can carry a tile: a colour, a picture, or both. The values
   ride in as custom properties set on the element, so everything here is
   layout — a link without them keeps the plain nav styling untouched. */
.nav__link--tile, .footer-menu__link--tile {
  --tile-scrim: 0;
  padding: 10px 16px; color: var(--tile-ink, var(--bone));
  background-color: var(--tile-bg, transparent);
  /* The scrim is a layer above the picture rather than a filter on it, so the
     label stays readable however bright the crop underneath happens to be. */
  background-image:
    linear-gradient(rgb(0 0 0 / var(--tile-scrim)), rgb(0 0 0 / var(--tile-scrim))),
    var(--tile-image, none);
  background-size: cover; background-position: center;
  transition: color var(--dur) var(--ease), filter var(--dur) var(--ease);
}
/* The sliding underline reads as a stray bar across a tile. */
.nav__link--tile::after { display: none; }
.nav__link--tile:hover, .nav__link--tile:focus-visible, .nav__link--tile.is-current,
.footer-menu__link--tile:hover, .footer-menu__link--tile.is-current {
  color: var(--tile-ink, var(--ink)); filter: brightness(1.15);
}
.nav__link--tile.is-current { box-shadow: inset 0 -3px 0 var(--ink); }

.nav-toggle {
  display: none; align-items: center; gap: 11px; cursor: pointer;
  padding: 9px 14px; background: transparent; color: var(--bone);
  border: calc(var(--border) * 1px) solid var(--line);
  font-family: var(--font-display); font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
}
.nav-toggle__bars { position: relative; display: block; width: 18px; height: 2px; background: currentColor; }
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
  transition: transform var(--dur) var(--ease);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] { color: var(--ink); border-color: var(--ink); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------- footer -- */
.site-footer { position: relative; z-index: 2; margin-top: clamp(64px, 10vw, 130px); background: var(--panel); }
.site-footer::before { content: ""; display: block; height: 2px; background: linear-gradient(90deg, var(--ink), var(--deep) 58%, transparent); }
.site-footer__inner { padding: clamp(30px, 4vw, 54px) 0 clamp(20px, 2.4vw, 30px); }
.site-footer__cols {
  display: grid; gap: clamp(24px, 3vw, 44px);
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.site-footer__cols[data-cols="1"] { grid-template-columns: minmax(0, 1fr); }
.footer-col { min-width: 0; }
.footer-col__heading {
  margin: 0 0 14px; color: var(--bone);
  font-family: var(--font-display); font-size: .95rem;
  letter-spacing: .16em; text-transform: uppercase;
}
.footer-col__heading::after {
  content: ""; display: block; width: 34px; height: 2px; margin-top: 9px; background: var(--ink);
}
.footer-col__text { margin: 0; color: var(--muted); font-size: .95rem; max-width: 34ch; }
.footer-menu__list { display: grid; gap: 9px; list-style: none; margin: 0; padding: 0; }
.footer-menu__link {
  display: inline-flex; align-items: center; gap: 8px; color: var(--muted);
  text-decoration: none; font-size: .95rem; letter-spacing: .04em;
  transition: color var(--dur) var(--ease);
}
.footer-menu__link:hover, .footer-menu__link.is-current { color: var(--ink); }
.footer-menu__sub {
  display: grid; gap: 6px; list-style: none;
  margin: 6px 0 0; padding: 0 0 0 12px; border-left: 1px solid var(--line);
}
.footer-menu__sublink { color: var(--muted); text-decoration: none; font-size: .86rem; }
.footer-menu__sublink:hover, .footer-menu__sublink.is-current { color: var(--bone); }
.footer-menu__icon { flex: none; }

.footer-socials { display: grid; gap: 9px; list-style: none; margin: 0; padding: 0; }
.footer-socials__link {
  display: inline-flex; align-items: center; gap: 10px; color: var(--muted);
  text-decoration: none; font-size: .95rem;
  transition: color var(--dur) var(--ease);
}
.footer-socials__link:hover, .footer-socials__link:focus-visible { color: var(--ink); }
.footer-socials__icon { flex: none; }

.site-footer__bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px 24px; margin-top: clamp(26px, 3.4vw, 44px);
  padding-top: 18px; border-top: 1px solid var(--line);
}
.site-footer__copy { margin: 0; color: var(--muted); font-size: .86rem; }
.site-footer__top {
  display: inline-flex; align-items: center; gap: 8px; color: var(--muted);
  text-decoration: none; font-family: var(--font-display);
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  transition: color var(--dur) var(--ease);
}
.site-footer__top:hover, .site-footer__top:focus-visible { color: var(--ink); }
.site-footer__top-icon { flex: none; transition: transform var(--dur) var(--ease); }
.site-footer__top:hover .site-footer__top-icon { transform: translateY(-3px); }

@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed; top: var(--header-h); right: 0; bottom: 0; z-index: 19;
    width: min(360px, 86vw); padding: 22px var(--gutter) 40px; overflow-y: auto;
    background: var(--panel); border-left: 2px solid var(--ink);
    transform: translateX(100%); visibility: hidden;
    transition: transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  }
  .nav.is-open { transform: none; visibility: visible; transition: transform var(--dur) var(--ease), visibility 0s; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link { padding: 13px 0; font-size: 1.3rem; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .nav__link--tile { padding: 13px 16px; margin-bottom: 4px; border-bottom: 0; }
  .nav__item.has-children > .nav__link .nav__text::after { display: none; }
  .nav__sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    margin: 6px 0 10px 2px; padding: 0 0 0 14px;
    background: none; border: 0; border-left: 2px solid var(--line); box-shadow: none;
  }
  .nav__sublink { padding: 8px 0; }
  body.nav-open { overflow: hidden; }
  .site-header--center .site-header__brand { flex-basis: auto; margin-right: auto; }
  .site-header--center .site-header__inner { flex-wrap: nowrap; justify-content: flex-start; }
  .nav__list + .nav__list { margin-top: 4px; }
  .header-socials { display: none; }
}

/* Suggestion box page */
.suggestions { padding: clamp(40px, 8vw, 96px) 0; }
.suggestions__title { margin: 0 0 14px; }
.suggestions__form { margin-top: 28px; }

/*
 * A dropdown label is a <button> so it can take focus — the submenu opens on
 * :focus-within, and a label that could not be focused would put the whole
 * dropdown out of the keyboard's reach. It must not look like a button.
 */
.nav__link--label, .footer-menu__link--label {
  background: none;
  border: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  text-align: inherit;
  cursor: default;
}