/* ==========================================================================
   AI Have Questions — global stylesheet
   1. Tokens   2. Base   3. Layout   4. Typography   5. Brand (logo)
   6. Buttons & links   7. Header & nav   8. Mobile menu   9. Search
   10. Hero   11. Story cards   12. Topic cards   13. Newsletter
   14. Stories page   15. Article   16. About   17. Footer   18. Utilities
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  /* Brand palette (mandatory) */
  --midnight: #0B0B0F;
  --paper: #F8F7F4;
  --curiosity: #6366F1;
  --lilac: #E9E7FF;
  --stone: #9CA3AF;

  /* Supporting neutrals (derived, for accessible text and hairlines) */
  --white: #FFFFFF;
  --ink: var(--midnight);
  --ink-soft: #3E3E46;      /* lead paragraphs */
  --ink-muted: #63636C;     /* excerpts, metadata (≥ 4.5:1 on Paper) */
  --ink-quiet: #6B7280;     /* inactive controls */
  --line: #E2E0DB;          /* hairline dividers */
  --line-strong: #CFCDC7;
  --curiosity-ink: #4F46E5; /* Curiosity for small text (AA on Paper/Lilac) */

  /* Topic pastel tones (from the reference icon set) */
  --tone-lilac: #E7E5FC;   --tone-lilac-ink: #4F4FCF;
  --tone-peach: #FBE2D7;   --tone-peach-ink: #B14A2F;
  --tone-mint: #DCF0E3;    --tone-mint-ink: #2C7046;
  --tone-butter: #FBEBBF;  --tone-butter-ink: #85590A;
  --tone-sky: #DCE8FB;     --tone-sky-ink: #2A5FB8;
  --tone-mist: #E4E5E9;    --tone-mist-ink: #4B5160;

  /* Typography */
  --font-display: 'Sora', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Layout */
  --max-width: 1360px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --section-gap: clamp(4rem, 8vw, 7.5rem);
  --header-h: clamp(4.5rem, 6.4vw, 6rem);
  --radius-sm: 4px;
  --radius: 10px;
  --pill: 999px;

  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
main { flex: 1 0 auto; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
::selection { background: var(--lilac); color: var(--midnight); }
:focus-visible { outline: 2px solid var(--curiosity); outline-offset: 3px; border-radius: 2px; }

/* Language blocks: long-form content is written once per language.
   To add a language, add one rule per new language code here. */
html[lang="en"] [data-lang]:not([data-lang="en"]),
html[lang="es"] [data-lang]:not([data-lang="es"]) { display: none !important; }

/* Avoid a flash of English text while Spanish strings load */
html.i18n-pending body { visibility: hidden; }

/* 3. Layout ---------------------------------------------------------------- */
.container { width: 100%; max-width: calc(var(--max-width) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { width: 100%; max-width: calc(46rem + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-gap); }
.section-tight { padding-block: clamp(3rem, 5vw, 4.5rem); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: clamp(1.25rem, 2.2vw, 2rem); }
.divider { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* 4. Typography ------------------------------------------------------------ */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}
.eyebrow--accent { color: var(--curiosity-ink); font-weight: 600; }
.display-xl { font-size: clamp(2.6rem, 4.9vw, 4.6rem); line-height: 1.0; letter-spacing: -0.04em; }
.display-lg { font-size: clamp(2.4rem, 4.6vw, 4.25rem); line-height: 1.02; letter-spacing: -0.04em; }
.display-md { font-size: clamp(1.9rem, 3.2vw, 3rem); line-height: 1.06; letter-spacing: -0.035em; }
.h-section { font-size: clamp(1.6rem, 2.4vw, 2.15rem); letter-spacing: -0.03em; }
.lead { font-size: clamp(1.0625rem, 1.35vw, 1.25rem); line-height: 1.55; color: var(--ink-soft); }
.muted { color: var(--ink-muted); }

/* 5. Brand: wordmark ------------------------------------------------------- */
.logo {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--logo-size, clamp(1.3rem, 1.85vw, 1.7rem));
  line-height: 0.86;
  letter-spacing: -0.045em;
  color: var(--ink);
  white-space: nowrap;
}
.logo__line { display: block; }
.logo__dot {
  display: inline-block;
  width: 0.2em;
  height: 0.2em;
  margin-left: 0.07em;
  border-radius: 50%;
  background: var(--curiosity);
  vertical-align: baseline;
}
.logo--inverse { color: var(--white); }
.logo:hover { color: inherit; }

/* 6. Buttons & links ------------------------------------------------------- */
.btn {
  --btn-bg: var(--midnight);
  --btn-fg: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 2.9rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--btn-bg);
  border-radius: var(--pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.btn svg { width: 1rem; height: 1rem; transition: transform .3s var(--ease); }
.btn:hover { --btn-bg: #24242C; }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--sm { min-height: 2.55rem; padding: 0.55rem 1.2rem; font-size: 0.875rem; }
.btn--light { --btn-bg: var(--white); --btn-fg: var(--midnight); }
.btn--light:hover { --btn-bg: var(--lilac); }
.btn[disabled], .btn[aria-busy="true"] { opacity: .65; cursor: progress; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  text-decoration-color: var(--line-strong);
  transition: color .2s, text-decoration-color .2s;
}
.text-link:hover { color: var(--curiosity-ink); text-decoration-color: currentColor; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  transition: color .2s;
}
.arrow-link svg { width: 0.95rem; height: 0.95rem; transition: transform .3s var(--ease); }
.arrow-link:hover { color: var(--curiosity-ink); }
.arrow-link:hover svg { transform: translateX(3px); }
.arrow-link--quiet { font-weight: 500; color: var(--ink-soft); }

/* 7. Header & nav ---------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 247, 244, 0.92);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
[data-component="header"] { min-height: var(--header-h); }
.header-inner { display: flex; align-items: center; gap: 2rem; height: var(--header-h); }
.header-inner .logo { flex: none; }
.main-nav { margin-left: auto; margin-right: auto; height: 100%; }
.main-nav ul { display: flex; gap: clamp(1.25rem, 2.6vw, 2.5rem); list-style: none; height: 100%; }
.main-nav li { display: flex; }
.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color .2s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: -0.5rem; right: -0.5rem; bottom: 0;
  height: 1.5px;
  background: var(--midnight);
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.main-nav a:hover { color: var(--curiosity-ink); }
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }

.header-tools { display: flex; align-items: center; gap: clamp(0.75rem, 1.6vw, 1.5rem); flex: none; }
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  color: var(--ink);
  transition: background-color .2s, color .2s;
}
.icon-btn svg { width: 1.3rem; height: 1.3rem; }
.icon-btn:hover { background: rgba(11, 11, 15, 0.06); }
.menu-btn { display: none; }

.lang-switch { display: flex; align-items: center; gap: 0.35rem; }
.lang-switch button {
  position: relative;
  padding: 0.5rem 0.45rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-quiet);
  transition: color .2s;
}
.lang-switch button::after {
  content: "";
  position: absolute;
  left: 0.45rem; right: 0.45rem; bottom: 0.25rem;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.lang-switch button[aria-pressed="true"]::after { transform: scaleX(1); }

/* 8. Mobile menu ----------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 0 var(--gutter) 2rem;
  background: var(--midnight);
  color: var(--white);
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu.is-open { opacity: 1; transform: none; }
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); flex: none; }
.mobile-menu .icon-btn { color: var(--white); }
.mobile-menu .icon-btn:hover { background: rgba(255, 255, 255, 0.1); }
.mobile-menu nav { margin-top: clamp(1.5rem, 6vh, 3rem); }
.mobile-menu nav ul { list-style: none; display: grid; gap: 0.35rem; }
.mobile-menu nav a {
  display: inline-block;
  padding: 0.35rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5.6vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: rgba(255, 255, 255, 0.92);
  transition: color .2s;
}
.mobile-menu nav a:hover, .mobile-menu nav a[aria-current="page"] { color: var(--white); }
.mobile-menu nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 0.25em; text-decoration-color: var(--curiosity); }
.mobile-menu .lang-switch { margin-top: 2.5rem; margin-left: -0.45rem; }
.mobile-menu .lang-switch button { color: rgba(255, 255, 255, 0.6); font-size: 0.9375rem; }
.mobile-menu .lang-switch button:hover,
.mobile-menu .lang-switch button[aria-pressed="true"] { color: var(--white); }
.mobile-menu__foot { margin-top: auto; padding-top: 3rem; display: grid; gap: 1.25rem; }
.mobile-menu__tagline { font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); }
body.menu-open { overflow: hidden; }

/* 9. Search dialog --------------------------------------------------------- */
.search-dialog {
  width: min(44rem, calc(100% - 2rem));
  max-height: min(80vh, 40rem);
  margin: clamp(1rem, 10vh, 7rem) auto auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 30px 80px -30px rgba(11, 11, 15, 0.35);
}
.search-dialog::backdrop { background: rgba(11, 11, 15, 0.45); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.search-dialog[open] { animation: dialog-in .3s var(--ease); }
@keyframes dialog-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.search-form { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0.75rem 0.75rem 1.25rem; border-bottom: 1px solid var(--line); }
.search-form svg { width: 1.25rem; height: 1.25rem; flex: none; color: var(--ink-muted); }
.search-form input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 0;
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.search-form input:focus { outline: none; }
.search-form input::placeholder { color: var(--ink-quiet); }
.search-body { padding: 1rem 1.25rem 1.5rem; overflow-y: auto; max-height: calc(min(80vh, 40rem) - 5rem); }
.search-status { font-size: 0.875rem; color: var(--ink-muted); }
.search-group + .search-group { margin-top: 1.25rem; }
.search-group h2 { font-family: var(--font-body); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-muted); margin: 1rem 0 0.5rem; }
.search-results { list-style: none; display: grid; gap: 0.25rem; }
.search-results a { display: block; padding: 0.7rem 0.8rem; margin-inline: -0.8rem; border-radius: 10px; transition: background-color .2s; }
.search-results a:hover, .search-results a:focus-visible { background: var(--lilac); }
.search-results strong { display: block; font-family: var(--font-display); font-size: 1rem; font-weight: 600; letter-spacing: -0.02em; }
.search-results span { display: block; font-size: 0.875rem; color: var(--ink-muted); margin-top: 0.15rem; }
.search-results mark { background: none; color: var(--curiosity-ink); }

/* 10. Hero ----------------------------------------------------------------- */
.hero { position: relative; display: flex; align-items: center; min-height: clamp(30rem, 40vw, 38rem); }
.hero__copy { position: relative; z-index: 1; width: min(41%, 36rem); padding-block: clamp(3rem, 6vw, 5rem); }
.hero__copy .lead { max-width: 30rem; margin-top: clamp(1.25rem, 2vw, 1.75rem); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-top: clamp(1.75rem, 2.6vw, 2.25rem); }
.hero__media {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 56%;
  margin: 0;
  overflow: hidden;
  background: #DAD8D3;
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media--fade { background: transparent; }
.hero__media--fade img { -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 32%); mask-image: linear-gradient(90deg, transparent 0%, #000 32%); }
.hero--compact { min-height: clamp(26rem, 34vw, 33rem); }
.hero--compact .hero__copy { width: min(62%, 52rem); }
.hero--compact .hero__copy .lead { max-width: 34rem; }
.hero--compact .hero__media { width: 52%; }
.photo-credit {
  position: absolute;
  right: 0.75rem;
  bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--pill);
  background: rgba(11, 11, 15, 0.45);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.6875rem;
  line-height: 1.4;
}
.photo-credit a { text-decoration: underline; text-underline-offset: 2px; }
.photo-credit a:hover { color: var(--white); }

/* 11. Story cards ---------------------------------------------------------- */
.story-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 2.6vw, 2.25rem) clamp(1rem, 2vw, 1.75rem); }
.story-card { position: relative; }
.story-card__link { display: flex; flex-direction: column; height: 100%; }
.story-card__media { position: relative; overflow: hidden; aspect-ratio: 16 / 8.4; border-radius: 2px; background: #DAD8D3; }
.story-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.story-card__link:hover .story-card__media img { transform: scale(1.035); }
.story-card__cat {
  margin-top: 1.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cat-ink, var(--ink-soft));
}
.story-card__title { margin-top: 0.6rem; font-size: clamp(1.2rem, 1.65vw, 1.5rem); line-height: 1.18; letter-spacing: -0.03em; transition: color .2s; }
.story-card__link:hover .story-card__title { color: var(--curiosity-ink); }
.story-card__excerpt { margin-top: 0.6rem; color: var(--ink-muted); font-size: 1rem; line-height: 1.5; max-width: 34ch; }
.story-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: auto; padding-top: 1.1rem; font-size: 0.875rem; color: var(--ink-muted); }
.story-card__meta .sep { width: 3px; height: 3px; border-radius: 50%; background: currentColor; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: var(--pill);
  background: var(--lilac);
  color: var(--curiosity-ink);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Featured story (stories page) */
.story-feature .story-card__link { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.story-feature .story-card__media { aspect-ratio: 16 / 10; }
.story-feature .story-card__cat { margin-top: 0; }
.story-feature .story-card__title { font-size: clamp(1.75rem, 3vw, 2.75rem); line-height: 1.06; letter-spacing: -0.04em; }
.story-feature .story-card__excerpt { font-size: 1.0625rem; max-width: 40ch; }
.story-feature .story-card__meta { margin-top: 1.5rem; padding-top: 0; }

/* 12. Topic cards ---------------------------------------------------------- */
.topic-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.75rem, 3vw, 2.75rem) clamp(1rem, 2vw, 1.5rem); }
.topic-card__link { display: flex; flex-direction: column; height: 100%; }
.topic-card__media { position: relative; aspect-ratio: 16 / 8.6; border-radius: 2px; background: #DAD8D3; }
.topic-card__media-inner { position: absolute; inset: 0; overflow: hidden; border-radius: inherit; }
.topic-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.topic-card__link:hover .topic-card__media img { transform: scale(1.035); }
.topic-icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: var(--tone-bg, var(--tone-lilac));
  color: var(--tone-ink, var(--tone-lilac-ink));
  box-shadow: 0 0 0 3px var(--paper);
}
.topic-icon svg { width: 1.35rem; height: 1.35rem; }
.topic-card__media .topic-icon { position: absolute; left: 1rem; bottom: -1.5rem; }
.topic-card__body { padding: 2.35rem 1rem 0; display: flex; flex-direction: column; flex: 1; }
.topic-card__title { font-size: clamp(1.15rem, 1.45vw, 1.35rem); letter-spacing: -0.03em; transition: color .2s; }
.topic-card__link:hover .topic-card__title { color: var(--curiosity-ink); }
.topic-card__desc { margin-top: 0.5rem; color: var(--ink-muted); font-size: 0.9375rem; line-height: 1.5; max-width: 36ch; }
.topic-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: auto; padding-top: 1.1rem; }
.topic-card__count { font-size: 0.8125rem; color: var(--ink-muted); }
.topic-card__link:hover .arrow-link { color: var(--curiosity-ink); }
.topic-card__link:hover .arrow-link svg { transform: translateX(3px); }

.tone-lilac  { --tone-bg: var(--tone-lilac);  --tone-ink: var(--tone-lilac-ink);  --cat-ink: var(--tone-lilac-ink); }
.tone-peach  { --tone-bg: var(--tone-peach);  --tone-ink: var(--tone-peach-ink);  --cat-ink: var(--tone-peach-ink); }
.tone-mint   { --tone-bg: var(--tone-mint);   --tone-ink: var(--tone-mint-ink);   --cat-ink: var(--tone-mint-ink); }
.tone-butter { --tone-bg: var(--tone-butter); --tone-ink: var(--tone-butter-ink); --cat-ink: var(--tone-butter-ink); }
.tone-sky    { --tone-bg: var(--tone-sky);    --tone-ink: var(--tone-sky-ink);    --cat-ink: var(--tone-sky-ink); }
.tone-mist   { --tone-bg: var(--tone-mist);   --tone-ink: var(--tone-mist-ink);   --cat-ink: var(--tone-mist-ink); }

/* Compact topic list (home + about) */
.topic-strip { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1rem; list-style: none; }
.topic-strip a {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  padding: 1.25rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.45);
  transition: border-color .25s, background-color .25s, transform .3s var(--ease);
}
.topic-strip a:hover { border-color: var(--line-strong); background: var(--white); transform: translateY(-2px); }
.topic-strip .topic-icon { width: 2.6rem; height: 2.6rem; border-radius: 10px; box-shadow: none; }
.topic-strip .topic-icon svg { width: 1.15rem; height: 1.15rem; }
.topic-strip strong { font-family: var(--font-display); font-size: 0.975rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; }

/* 13. Newsletter ----------------------------------------------------------- */
.newsletter-band { background: var(--lilac); padding-block: clamp(3.5rem, 6vw, 5.5rem); }
.newsletter-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.newsletter-band h2 { font-size: clamp(1.9rem, 3vw, 2.75rem); line-height: 1.04; letter-spacing: -0.04em; max-width: 17ch; }
.newsletter-band .newsletter-desc { margin-top: 1rem; color: var(--ink-soft); max-width: 36rem; }
.nl-form { width: 100%; max-width: 34rem; justify-self: end; }
.nl-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem;
  border: 1px solid transparent;
  border-radius: var(--pill);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.nl-field:focus-within { border-color: var(--curiosity); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18); }
.nl-field input {
  flex: 1;
  min-width: 0;
  padding: 0.7rem 0.5rem 0.7rem 1.15rem;
  border: 0;
  background: transparent;
  font-size: 0.9375rem;
}
.nl-field input::placeholder { color: var(--ink-quiet); }
.nl-field input:focus { outline: none; }
.nl-field.is-invalid { border-color: #B42318; }
.nl-prefs { display: flex; flex-wrap: wrap; gap: 0.6rem 1.75rem; margin: 1rem 0 0; padding: 0 0 0 1.15rem; border: 0; }
.nl-prefs legend { padding: 0; }
.check { display: inline-flex; align-items: center; gap: 0.55rem; font-size: 0.875rem; color: var(--ink-soft); cursor: pointer; }
.check input {
  appearance: none;
  -webkit-appearance: none;
  display: inline-grid;
  place-items: center;
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  border: 1.5px solid var(--stone);
  border-radius: 4px;
  background: var(--white);
  cursor: pointer;
  transition: background-color .2s, border-color .2s;
}
.check input::after { content: ""; width: 0.5rem; height: 0.28rem; border-left: 2px solid var(--white); border-bottom: 2px solid var(--white); transform: translateY(-1px) rotate(-45deg) scale(0); transition: transform .2s var(--ease); }
.check input:checked { background: var(--curiosity); border-color: var(--curiosity); }
.check input:checked::after { transform: translateY(-1px) rotate(-45deg) scale(1); }
.nl-prefs.is-invalid .check input { border-color: #B42318; }
.nl-msg { min-height: 1.25rem; margin-top: 0.9rem; padding-left: 1.15rem; font-size: 0.875rem; line-height: 1.5; }
.nl-msg:empty { margin-top: 0; min-height: 0; }
.nl-msg[data-state="error"] { color: #B42318; }
.nl-msg[data-state="info"] { color: var(--ink); }
.nl-msg[data-state="success"] { color: #1F6B3E; }
.nl-note { margin-top: 0.9rem; padding-left: 1.15rem; font-size: 0.8125rem; color: var(--ink-muted); }

/* Newsletter page */
.newsletter-hero { background: var(--lilac); padding-block: clamp(4rem, 8vw, 7rem) clamp(4rem, 7vw, 6rem); }
.newsletter-hero .newsletter-grid { align-items: end; }
.newsletter-hero h1 { max-width: 13ch; }
.newsletter-hero .lead { margin-top: 1.5rem; max-width: 32rem; }
.expect-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); list-style: none; counter-reset: expect; }
.expect-grid li { padding-top: 1.5rem; border-top: 1px solid var(--line-strong); }
.expect-grid li::before { counter-increment: expect; content: "0" counter(expect); display: block; margin-bottom: 1.25rem; font-family: var(--font-display); font-size: 0.875rem; font-weight: 600; color: var(--curiosity-ink); }
.expect-grid h3 { font-size: 1.35rem; letter-spacing: -0.03em; }
.expect-grid p { margin-top: 0.6rem; color: var(--ink-muted); max-width: 34ch; }

/* 14. Stories page --------------------------------------------------------- */
.page-head { padding-block: clamp(3rem, 7vw, 6rem) clamp(2rem, 4vw, 3rem); }
.page-head h1 { max-width: 16ch; }
.page-head .lead { margin-top: 1.4rem; max-width: 40rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.4rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  transition: background-color .2s, border-color .2s, color .2s;
}
.chip:hover { border-color: var(--midnight); }
.chip[aria-current="true"] { background: var(--midnight); border-color: var(--midnight); color: var(--white); }
.chip .dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--tone-ink); }
.chip[aria-current="true"] .dot { background: var(--white); }
.topic-intro { display: flex; gap: 1.25rem; align-items: flex-start; padding: 1.75rem 0 0; }
.topic-intro h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.topic-intro p { margin-top: 0.4rem; color: var(--ink-muted); max-width: 44rem; }
.empty-state { padding: clamp(2.5rem, 5vw, 4rem); border: 1px dashed var(--line-strong); border-radius: var(--radius); text-align: center; }
.empty-state h2 { font-size: clamp(1.35rem, 2vw, 1.75rem); }
.empty-state p { margin: 0.75rem auto 1.5rem; max-width: 36rem; color: var(--ink-muted); }
.note-bar { display: flex; gap: 0.75rem; align-items: center; margin-top: 1.75rem; font-size: 0.875rem; color: var(--ink-muted); }

/* 15. Article -------------------------------------------------------------- */
.article-header { padding-top: clamp(2.5rem, 6vw, 5rem); }
.back-link { display: inline-flex; align-items: center; gap: 0.45rem; font-family: var(--font-display); font-size: 0.875rem; color: var(--ink-soft); transition: color .2s; }
.back-link svg { width: 0.95rem; height: 0.95rem; transition: transform .3s var(--ease); }
.back-link:hover { color: var(--curiosity-ink); }
.back-link:hover svg { transform: translateX(-3px); }
.article-header .story-card__cat { margin-top: clamp(2rem, 4vw, 3rem); }
.article-header .story-card__cat a:hover { text-decoration: underline; text-underline-offset: 0.3em; }
.article-header .article-title { margin-top: 1rem; font-size: clamp(2.3rem, 5vw, 4rem); line-height: 1.03; letter-spacing: -0.04em; }
.article-standfirst { margin-top: 1.5rem; font-size: clamp(1.125rem, 1.6vw, 1.375rem); line-height: 1.5; color: var(--ink-soft); }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; margin-top: 1.75rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--line); font-size: 0.875rem; color: var(--ink-muted); }
.draft-note { display: flex; gap: 0.75rem; align-items: flex-start; margin-top: 1.75rem; padding: 1rem 1.15rem; border-radius: var(--radius); background: var(--lilac); font-size: 0.875rem; line-height: 1.55; color: var(--ink-soft); }
.draft-note strong { color: var(--ink); }
.article-hero { position: relative; margin: clamp(2rem, 4vw, 3.5rem) auto 0; max-width: calc(68rem + var(--gutter) * 2); padding-inline: var(--gutter); }
.article-hero img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 2px; }
.article-hero figcaption { margin-top: 0.75rem; font-size: 0.8125rem; color: var(--ink-muted); }
.article-hero figcaption a { text-decoration: underline; text-underline-offset: 2px; }
.prose { padding-block: clamp(2.5rem, 5vw, 4rem) 1rem; font-size: clamp(1.0625rem, 1.2vw, 1.1875rem); line-height: 1.75; color: #26262C; }
.prose > * + * { margin-top: 1.4em; }
.prose h2 { margin-top: 2.2em; font-size: clamp(1.4rem, 2vw, 1.75rem); line-height: 1.2; color: var(--ink); }
.prose h2 + p { margin-top: 0.8em; }
.prose a { color: var(--curiosity-ink); text-decoration: underline; text-underline-offset: 0.2em; }
.prose ul { padding-left: 1.25rem; }
.prose li + li { margin-top: 0.5em; }
.prose li::marker { color: var(--curiosity); }
.prose blockquote {
  margin: 2.2em 0;
  padding: 0.25em 0 0.25em 1.5rem;
  border-left: 2px solid var(--curiosity);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.prose .questions { list-style: none; padding: 1.5rem 1.6rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
.prose .questions li { padding-left: 1.6rem; position: relative; }
.prose .questions li::before { content: "?"; position: absolute; left: 0; top: 0; font-family: var(--font-display); font-weight: 700; color: var(--curiosity); }
.article-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 2rem 0; border-top: 1px solid var(--line); margin-top: 2rem; }
.article-footer .tags { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; color: var(--ink-muted); }

/* 16. About ---------------------------------------------------------------- */
.about-hero { padding-block: clamp(3.5rem, 8vw, 7rem) clamp(2.5rem, 5vw, 4rem); }
.about-hero h1 { max-width: 14ch; }
.about-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.about-figure { position: relative; margin: 0; }
.about-figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 2px; }
.about-figure--wide img { aspect-ratio: 21 / 9; }
.about-text { font-size: clamp(1.0625rem, 1.25vw, 1.1875rem); line-height: 1.75; color: #26262C; }
.about-text > * + * { margin-top: 1.25em; }
.about-text .intro { font-family: var(--font-display); font-size: clamp(1.35rem, 2.1vw, 1.85rem); line-height: 1.3; letter-spacing: -0.03em; color: var(--ink); }
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 5vw, 5rem); list-style: none; }
.principles li { display: grid; grid-template-columns: 3rem 1fr; padding-block: 1.75rem; border-top: 1px solid var(--line-strong); }
.principles .num { font-family: var(--font-display); font-size: 0.875rem; font-weight: 600; color: var(--curiosity-ink); padding-top: 0.3rem; }
.principles h3 { font-size: clamp(1.2rem, 1.7vw, 1.5rem); letter-spacing: -0.03em; }
.principles p { margin-top: 0.5rem; color: var(--ink-muted); }
.big-quote { font-family: var(--font-display); font-size: clamp(1.9rem, 4.2vw, 3.6rem); font-weight: 500; line-height: 1.1; letter-spacing: -0.04em; max-width: 22ch; }
.big-quote .q { color: var(--curiosity); }

/* Credits */
.credits-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1.5rem; }
.credits-list img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 2px; background: #DAD8D3; }
.credits-list p { margin-top: 0.6rem; font-size: 0.875rem; color: var(--ink-muted); }
.credits-list a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.credits-list a:hover { color: var(--curiosity-ink); }

/* 17. Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(2, minmax(0, 1fr)) auto; gap: 2.5rem; }
.footer-brand p { margin-top: 1.25rem; max-width: 22rem; color: var(--ink-muted); font-size: 0.9375rem; }
.footer-col h2 { font-family: var(--font-body); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: grid; gap: 0.6rem; }
.footer-col a { font-family: var(--font-display); font-size: 0.9375rem; transition: color .2s; }
.footer-col a:hover { color: var(--curiosity-ink); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 0.8125rem; color: var(--ink-muted); }
.site-footer .lang-switch { margin-left: -0.45rem; }

/* 18. Utilities & motion --------------------------------------------------- */
.sr-only { 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: 1rem; top: -4rem; z-index: 200; padding: 0.75rem 1.1rem; border-radius: var(--pill); background: var(--midnight); color: var(--white); font-family: var(--font-display); font-size: 0.875rem; transition: top .2s; }
.skip-link:focus { top: 1rem; }
.noscript-nav { padding: 1rem var(--gutter); font-size: 0.875rem; border-bottom: 1px solid var(--line); }
.noscript-nav a { text-decoration: underline; margin-right: 1rem; }

html.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
html.js .reveal.is-visible { opacity: 1; transform: none; }
html.js .hero__media img { animation: image-in 1.4s var(--ease) both; }
@keyframes image-in { from { opacity: 0; transform: scale(1.04); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

/* Responsive --------------------------------------------------------------- */
@media (max-width: 1180px) {
  .topic-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.4fr repeat(2, minmax(0, 1fr)); }
  .footer-lang { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .main-nav, .header-tools .lang-switch, .header-tools .btn { display: none; }
  .menu-btn { display: inline-grid; }
  .header-tools { margin-left: auto; gap: 0.25rem; }
  .hero__copy { width: 48%; }
  .hero__media { width: 48%; }
  .hero--compact .hero__copy { width: 56%; }
  .hero--compact .hero__media { width: 42%; }
  .story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .newsletter-grid { grid-template-columns: 1fr; }
  .nl-form { justify-self: start; }
  .expect-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .hero, .hero--compact { flex-direction: column; align-items: stretch; min-height: 0; }
  .hero__copy, .hero--compact .hero__copy { width: 100%; padding-block: 2.5rem 2.25rem; }
  .hero__media, .hero--compact .hero__media { position: relative; width: 100%; aspect-ratio: 4 / 3.2; }
  .hero__media--fade img { -webkit-mask-image: none; mask-image: none; }
  .hero__media-wrap { padding-inline: var(--gutter); }
  .story-grid, .topic-grid { grid-template-columns: 1fr; }
  .story-feature .story-card__link { grid-template-columns: 1fr; gap: 0; }
  .story-feature .story-card__cat { margin-top: 1.35rem; }
  .about-split, .principles { grid-template-columns: 1fr; }
  .about-figure img { aspect-ratio: 4 / 3; }
  .topic-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .section-head { align-items: center; }
}

@media (max-width: 420px) {
  .nl-field { flex-direction: column; align-items: stretch; border-radius: 18px; padding: 0.4rem; }
  .nl-field input { padding: 0.8rem 0.9rem; }
  .nl-field .btn { width: 100%; }
  .nl-prefs, .nl-msg, .nl-note { padding-left: 0.4rem; }
  .hero__actions .btn { width: 100%; }
}