/* The Breaking Signal — shared: reset, page frame, domain tabs (block 1), utilities. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  min-height: 100dvh;
  background-image:
    radial-gradient(1200px 520px at 50% -180px, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%);
  background-repeat: no-repeat;
  transition: background-color var(--t) var(--ease);
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 4px;
}

.page {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--gutter); top: -60px; z-index: 50;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--text); color: var(--bg); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 10px; }

.label {
  font-family: var(--font-display);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  line-height: 1.3;
}

.card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface) 140px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.noscript {
  padding: 16px 20px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  color: var(--text-2);
}

/* ---------- Site navigation (every page) ---------- */
:root {
  --nav-h: 60px;
  --nav-pad: clamp(20px, 3.5vw, 64px);          /* breathing room from the window edge */
  --nav-side: clamp(260px, 16vw, 300px);        /* logo column = search + account column, so the banners sit dead centre */
}
html { scroll-padding-top: calc(var(--nav-h) + 12px); }
html.nav-locked { overflow: hidden; }
.site-nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  position: relative;
  display: flex; align-items: center; gap: 16px;
  height: var(--nav-h);
  max-width: 1920px;
  margin-inline: auto;
  padding-inline: var(--nav-pad);
}
.nav-logo { flex: none; display: block; border-radius: 4px; }
.nav-logo img { height: 24px; width: auto; transition: filter var(--t-fast) var(--ease); }
.nav-logo:hover img { filter: brightness(1.15); }

.nav-toggle {
  margin-left: auto;
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong); border-radius: 10px;
  background: var(--surface); cursor: pointer;
}
.nav-bars, .nav-bars::before, .nav-bars::after {
  display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--text);
  transition: transform var(--t) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-bars { position: relative; }
.nav-bars::before, .nav-bars::after { content: ''; position: absolute; left: 0; }
.nav-bars::before { top: -6px; }
.nav-bars::after { top: 6px; }
.is-open .nav-bars { background: transparent; }
.is-open .nav-bars::before { transform: translateY(6px) rotate(45deg); }
.is-open .nav-bars::after { transform: translateY(-6px) rotate(-45deg); }

/* phones and tablets: a drop-down with the search bar, then the full field banners stacked */
.nav-menu {
  position: absolute; left: 0; right: 0; top: 100%;
  display: flex; flex-direction: column; gap: 14px;
  max-height: calc(100vh - var(--nav-h));
  max-height: calc(100dvh - var(--nav-h)); /* the visible height on phones (100vh includes the hidden toolbar) */
  overflow-y: auto;
  padding: 14px var(--nav-pad) 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 40px -20px rgba(0, 0, 0, .8);
  visibility: hidden; opacity: 0; transform: translateY(-8px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), visibility 0s linear var(--t);
}
.is-open .nav-menu { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
.nav-menu > * { width: 100%; max-width: 720px; margin-inline: auto; }
.nav-search { order: -1; }
.nav-fields { display: grid; gap: 10px; }

.nav-field {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 10px;
  background: #000;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease), filter var(--t) var(--ease), opacity var(--t) var(--ease);
}
.nav-field picture, .nav-field img { display: block; width: 100%; height: auto; }
.nav-field img { transition: transform 500ms var(--ease), filter var(--t) var(--ease); }
.nav-field::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--f-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t) var(--ease);
}
.nav-field:is(:hover, :focus-visible) {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -10px var(--f-accent), inset 0 0 0 1px color-mix(in srgb, var(--f-accent) 85%, transparent);
}
.nav-field:is(:hover, :focus-visible) img { transform: scale(1.04); filter: brightness(1.12) saturate(1.1); }
.nav-field:is(:hover, :focus-visible)::after,
.nav-field[aria-current="page"]::after { transform: scaleX(1); }
.nav-field[aria-current="page"] { box-shadow: inset 0 0 0 2px var(--f-accent), 0 0 18px -6px var(--f-accent); }
.nav-field:active { transform: translateY(0) scale(.98); transition-duration: 90ms; }
@media (hover: hover) {
  .nav-fields:has(.nav-field:hover) .nav-field:not(:hover) { opacity: .6; filter: saturate(.7); }
}

/* search: a box with a magnifying-glass button; suggestions drop down as you type */
.nav-search { display: flex; align-items: center; gap: 6px; }
.nav-search input {
  flex: 1; min-width: 0;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font: 500 0.9375rem/1 var(--font-body);
  -webkit-appearance: none; appearance: none;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t) var(--ease), background var(--t-fast) var(--ease);
}
.nav-search input::placeholder { color: var(--text-3); opacity: 1; }
.nav-search input:hover { border-color: var(--text-3); }
.nav-search input:focus { outline: none; border-color: var(--text-2); background: var(--surface-2); box-shadow: 0 0 0 3px rgba(255, 255, 255, .12); }
.nav-search input::-webkit-search-cancel-button { filter: invert(1) opacity(.6); }
.search-btn {
  flex: none;
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border: 0; border-radius: 10px;
  background: var(--text); color: var(--bg);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), filter var(--t-fast) var(--ease), box-shadow var(--t) var(--ease);
}
.search-btn svg { width: 20px; height: 20px; }
.search-btn:hover { filter: brightness(.9); box-shadow: 0 8px 20px -10px rgba(255, 255, 255, .6); }
.search-btn:active { transform: scale(.94); }
.search-btn:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }

/* wide screens: three columns — logo left, the five banners centred, search right */
@media (min-width: 1440px) {
  :root { --nav-h: 76px; }
  .nav-inner {
    display: grid;
    grid-template-columns: 1fr min(1100px, calc(100% - 2 * var(--nav-side) - 64px)) 1fr;
    align-items: center;
    column-gap: 32px;
  }
  .nav-logo { grid-column: 1; justify-self: start; }
  .nav-logo img { height: 26px; }
  .nav-toggle { display: none; }
  .nav-menu {
    display: contents;
    position: static; visibility: visible; opacity: 1; transform: none; transition: none;
  }
  .nav-menu > * { width: auto; max-width: none; margin: 0; }
  .nav-fields-wrap { grid-column: 2; min-width: 0; }
  .nav-search { grid-column: 3; grid-row: 1; justify-self: end; order: 0; width: calc(var(--nav-side) - 52px); margin-right: 52px; }
  .nav-search input, .search-btn { height: 42px; }
  .search-btn { width: 42px; }
  .nav-search input { font-size: 0.875rem; }
  .nav-fields { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
  .nav-field { border-radius: 7px; aspect-ratio: 549 / 144; }
  .nav-field img { height: 100%; object-fit: cover; object-position: left center; }
}

/* ---------- Block 1 · Domain tabs ---------- */
.tabs-bar {
  position: relative; z-index: 2;
  padding-block: 12px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.domain-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  min-height: 64px;
}
.tab {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  align-content: center;
  gap: 4px;
  min-height: 64px;
  padding: 8px 4px 12px;
  border-radius: 10px;
  background: var(--tab-bg);
  color: var(--tab-fg);
  text-decoration: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.10), inset 0 -24px 32px -24px rgba(0, 0, 0, 0.28);
  transition: transform var(--t-fast) var(--ease), filter var(--t-fast) var(--ease);
}
.tab:hover { filter: brightness(1.08); transform: translateY(-1px); }
.tab::after {
  content: '';
  position: absolute; left: 22%; right: 22%; bottom: 6px;
  height: 3px; border-radius: 2px;
  background: currentColor;
  opacity: 0; transform: scaleX(0.4);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
}
.tab[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }
.tab[aria-current="page"] { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28), 0 6px 22px -8px var(--tab-bg); }

.tab-icon { width: 22px; height: 22px; stroke-width: 1.8; }
.tab-text { display: grid; justify-items: center; line-height: 1.05; }
.tab-code {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.tab-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  /* phone: the name is announced (aria-label) and shown in the domain band */
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

@media (min-width: 700px) {
  .domain-tabs { gap: 10px; min-height: 66px; }
  .tab { min-height: 66px; justify-items: start; padding: 10px 14px 14px; }
  .tab-icon { display: none; }
  .tab-text { justify-items: start; gap: 2px; }
  .tab-name { position: static; width: auto; height: auto; overflow: visible; clip: auto; font-size: clamp(0.95rem, 0.5rem + 1vw, 1.2rem); white-space: normal; overflow-wrap: anywhere; min-width: 0; }
  .tab::after { left: 14px; right: auto; width: 46px; bottom: 8px; transform-origin: left; }
}
@media (min-width: 1100px) {
  .tabs-bar { padding-block: 16px 14px; }
  .domain-tabs { gap: 12px; min-height: 78px; }
  .tab {
    min-height: 78px;
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: 16px;
    padding: 12px 18px 16px 20px;
  }
  .tab-icon { display: block; width: 34px; height: 34px; stroke-width: 1.6; }
  .tab-code { font-size: 1rem; }
  .tab-name { font-size: 1.375rem; }
  .tab::after { left: 70px; width: 64px; bottom: 9px; }
}

/* ---------- Site footer (every page): the field tabs, logo, fine print ---------- */
.site-footer {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, #000 22%, var(--bg));
}
.footer-inner { display: grid; gap: 18px; padding-block: 32px 40px; }
.footer-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.125rem, 0.95rem + 0.5vw, 1.375rem);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
}
.footer-base {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px;
  margin-top: 8px; padding-top: 20px;
  border-top: 1px solid var(--line);
}
.footer-home { display: block; border-radius: 4px; }
.footer-home img { height: 24px; width: auto; }
.footer-fine { font-size: 0.875rem; color: var(--text-3); }


/* ---------- account link (nav) ---------- */
.nav-account {
  display: flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 0 14px;
  border: 1px solid var(--line-strong); border-radius: 10px;
  background: var(--surface); color: var(--text);
  font-weight: 600; font-size: 0.9375rem; text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav-account:hover { border-color: var(--text-3); background: var(--surface-2); }
.na-icon { width: 22px; height: 22px; flex: none; }
.nav-account.is-subscriber { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 70%, transparent); }

/* ---------- search suggestions ---------- */
.nav-search { position: relative; }
.search-pop {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 60;
  display: grid; padding: 6px;
  border: 1px solid var(--line-strong); border-radius: 12px;
  background: var(--surface); box-shadow: 0 24px 48px -20px rgba(0, 0, 0, .9);
}
.sp-item {
  display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start;
  padding: 10px; border-radius: 8px; text-decoration: none; color: var(--text);
}
.sp-item:hover, .sp-item[aria-selected="true"] { background: var(--surface-2); }
.sp-code {
  margin-top: 2px; padding: 2px 6px; border-radius: 5px;
  background: var(--f-accent); color: var(--f-fg, #fff);
  font-family: var(--font-display); font-weight: 700; font-size: 0.875rem; letter-spacing: .06em;
}
.sp-text { display: grid; gap: 2px; min-width: 0; }
.sp-title { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; line-height: 1.2; }
.sp-sub { font-size: 0.875rem; color: var(--text-2); line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sp-all {
  margin-top: 4px; padding: 10px; border-top: 1px solid var(--line);
  font-size: 0.875rem; font-weight: 600; color: var(--text-2); text-decoration: none; border-radius: 0 0 8px 8px;
}
.sp-all:hover { color: var(--text); background: var(--surface-2); }

/* ---------- buttons (site pages and the app's pages) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 20px;
  border-radius: 10px; border: 1px solid transparent;
  font: 600 1rem/1.2 var(--font-body); text-decoration: none; cursor: pointer;
  transition: transform var(--t-fast) var(--ease), filter var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.btn.btn-primary { background: var(--accent); color: var(--accent-fg); box-shadow: 0 10px 28px -16px var(--accent); }
.btn.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn.btn-ghost:hover { border-color: var(--text-3); background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.footer-fine a { color: var(--text-2); }

@media (min-width: 1440px) {
  .nav-account { grid-column: 3; grid-row: 1; justify-self: end; width: 42px; height: 42px; padding: 0; justify-content: center; border-radius: 50%; }
  .nav-account .na-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .search-pop { left: auto; right: 0; width: 420px; }
  .nav-account { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}

/* Long unbroken strings (URLs, long words) wrap instead of pushing the page sideways */
.sig-title, .sig-subtitle, .c-line, .t-title, .t-sub, .t-bluf, .dh-title, .dh-sub, .sp-title, .sp-sub, .analysis-body, .search-summary, .empty-note, .form-error {
  overflow-wrap: anywhere;
}

/* ---------- print: dark-on-light, just the card ---------- */
@media print {
  :root { --bg: #fff; --surface: #fff; --surface-2: #f4f6f9; --text: #0b1220; --text-2: #2b3443; --text-3: #4a5466; --line: #c9d1dc; --line-strong: #9aa6b6; }
  body { background: #fff !important; background-image: none !important; color: #0b1220; }
  .site-nav, .site-footer, .sig-pager, .skip-link, .nav-toggle, .search-pop { display: none !important; }
  .card { box-shadow: none !important; border-color: #c9d1dc !important; break-inside: avoid; }
  .c1, .tab, .btn-primary, .deep-chip { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { color: inherit; }
}