/* ==========================================================================
   CountriesIRL — stylesheet
   1. Tokens
   2. Reset & base
   3. Typography
   4. Layout primitives
   5. Buttons & links
   6. Header / navigation
   7. Hero
   8. About
   9. Members
   10. Community
   11. Join
   12. Footer
   13. Motion & print
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colour — a two-neutral palette plus one accent, used sparingly. */
  --paper:        #fbfaf8;
  --tint:         #f3f1ec;
  --surface:      #ffffff;
  --ink:          #16181c;
  --ink-soft:     #33373e;
  --muted:        #5c6169;
  --line:         #e3e1dc;
  --line-strong:  #cfccc4;
  --accent:       #b3391f;
  --accent-dark:  #8f2d18;
  --accent-light: #e8825f;

  /* Type */
  --font-display: Georgia, "Iowan Old Style", "Times New Roman", Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Segoe UI Variable Text",
               Roboto, "Helvetica Neue", Arial, sans-serif;

  --size-display: clamp(2.4rem, 1.4rem + 3.6vw, 4.15rem);
  --size-h2:      clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem);
  --size-h3:      1.0625rem;
  --size-lead:    clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  --size-body:    1rem;
  --size-small:   0.875rem;
  --size-label:   0.75rem;

  /* Space */
  --gutter:       clamp(1.25rem, 4vw, 3rem);
  --section-pad:  clamp(4.5rem, 9vw, 8rem);
  --measure:      64ch;

  --radius:       3px;
  --header-h:     4.25rem;
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--size-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }

ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }

button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--ink); color: var(--paper); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: 0; left: 50%;
  transform: translate(-50%, -110%);
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: var(--paper);
  font-size: var(--size-small);
  text-decoration: none;
}
.skip-link:focus-visible { transform: translate(-50%, 0); }

/* Sections receive focus when reached from a nav link; no ring needed. */
[tabindex="-1"]:focus { outline: none; }

.noscript {
  padding-block: 2rem;
  border-bottom: 1px solid var(--line);
}
.noscript p { max-width: 60ch; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: var(--size-display); line-height: 1.04; letter-spacing: -0.03em; }
h2 { font-size: var(--size-h2);      line-height: 1.12; }
h3 {
  font-family: var(--font-sans);
  font-size: var(--size-h3);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.lead {
  max-width: 52ch;
  font-size: var(--size-lead);
  line-height: 1.55;
  color: var(--ink-soft);
}

.prose > p + p { margin-top: 1.15em; }
.prose p { max-width: var(--measure); color: var(--ink-soft); }

/* Small tracked label used for section numbers and list captions. */
.label {
  display: block;
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   4. Layout primitives
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(72rem + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-pad); }
.section--tint { background: var(--tint); }
.section--bordered { border-top: 1px solid var(--line); }

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .label { margin-bottom: 1.25rem; }
.section-head h2 { margin-bottom: 1.25rem; }

.section-index {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-index::before {
  content: attr(data-index);
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.section-index::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* --------------------------------------------------------------------------
   5. Buttons & links
   -------------------------------------------------------------------------- */
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: var(--accent-dark); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.375rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: var(--size-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn--primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.btn--primary:hover { background: #000; border-color: #000; color: var(--paper); }

.btn--secondary {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn--secondary:hover { border-color: var(--ink); color: var(--ink); }

.btn--invert {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}
.btn--invert:hover { background: #fff; border-color: #fff; color: var(--ink); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

/* Text link with a rule that grows on hover — used for standalone CTAs. */
.link-arrow {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid currentColor;
  font-size: var(--size-small);
  font-weight: 600;
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   6. Header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--ink);
  text-decoration: none;
}
.brand__mark { width: 26px; height: 26px; border-radius: 5px; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.4vw, 2.25rem);
}

.nav__link {
  position: relative;
  display: inline-block;
  padding-block: 0.25rem;
  color: var(--ink-soft);
  font-size: var(--size-small);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.18s ease;
}
.nav__link:hover { color: var(--ink); }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav__link[aria-current="true"] { color: var(--ink); }
.nav__link[aria-current="true"]::after { transform: scaleX(1); }

.nav__cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: var(--size-small);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.nav__cta:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none;
  width: 2.5rem; height: 2.5rem;
  margin-right: -0.5rem;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-toggle__box {
  position: relative;
  display: block;
  width: 20px; height: 12px;
  margin-inline: auto;
}
.nav-toggle__box span {
  position: absolute;
  left: 0;
  width: 100%; height: 1.5px;
  background: var(--ink);
  transition: transform 0.22s ease, opacity 0.15s ease;
}
.nav-toggle__box span:nth-child(1) { top: 0; }
.nav-toggle__box span:nth-child(2) { top: 5.25px; }
.nav-toggle__box span:nth-child(3) { top: 10.5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(1) { transform: translateY(5.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(3) { transform: translateY(-5.25px) rotate(-45deg); }

@media (max-width: 52em) {
  .nav-toggle { display: block; }

  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    padding: 0.5rem var(--gutter) 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.5rem);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  }
  .nav[data-open="true"] { visibility: visible; opacity: 1; transform: none; }

  .nav__list { display: block; }
  .nav__list li + li { border-top: 1px solid var(--line); }
  .nav__link {
    padding-block: 0.875rem;
    width: 100%;
    font-size: 1rem;
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="true"] { color: var(--accent); }
  .nav__cta {
    display: block;
    margin-top: 1.25rem;
    padding-block: 0.75rem;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.hero__grid {
  display: grid;
  gap: clamp(3rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  align-items: end;
}

.hero__eyebrow {
  display: inline-block;
  margin-bottom: 1.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line-strong);
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 { max-width: 15ch; margin-bottom: 1.75rem; }
.hero__description { max-width: 46ch; font-size: var(--size-lead); line-height: 1.55; color: var(--ink-soft); }

/* Country index — built from the member list, so it is always accurate. */
.index {
  padding: 1.5rem 1.5rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.index__title {
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}
.index__list { font-size: var(--size-small); }
.index__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.5rem;
  border-top: 1px solid var(--line);
}
.index__country { color: var(--ink-soft); }
.index__count {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.index__foot {
  margin-top: 1rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--line-strong);
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 60em) {
  .hero__grid { grid-template-columns: 1fr; align-items: stretch; }
  .index { max-width: 26rem; }
}

/* --------------------------------------------------------------------------
   8. About
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}
.about__heading { align-self: start; }
.about__heading h2 { margin-bottom: 1.25rem; }
.about__heading .lead { max-width: 34ch; }

.principles {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}
.principles li {
  display: grid;
  gap: 0.5rem 3rem;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}
.principles p { color: var(--ink-soft); max-width: var(--measure); }

@media (max-width: 48em) {
  .about__grid,
  .principles li { grid-template-columns: 1fr; }
  .principles li { gap: 0.375rem; }
}

/* --------------------------------------------------------------------------
   9. Members
   -------------------------------------------------------------------------- */
.members__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}
.members__count {
  font-size: var(--size-small);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.filter__btn {
  padding: 0.4375rem 0.875rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: var(--size-small);
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.filter__btn:hover { border-color: var(--ink); color: var(--ink); }
.filter__btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.members__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(17.5rem, 1fr));
}

.member {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}
.member:hover { border-color: var(--line-strong); }

.member__head {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.125rem;
}

.member__avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.875rem; height: 2.875rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--tint);
  object-fit: cover;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
}

.member__name { margin-bottom: 0.125rem; }
.member__country { font-size: var(--size-small); color: var(--muted); }

.member__desc {
  flex: 1;
  font-size: var(--size-small);
  line-height: 1.6;
  color: var(--ink-soft);
}

/* Pushed to the foot of the card so link rows line up across a row of cards. */
.member__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1rem;
  margin-top: 1.25rem;
  padding-top: 1.125rem;
  border-top: 1px solid var(--line);
}

.member__links a {
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.16s ease;
}
.member__links a:hover { color: var(--accent); text-decoration: underline; }

.members__empty {
  padding: 3rem 0;
  color: var(--muted);
  font-size: var(--size-small);
}

/* --------------------------------------------------------------------------
   10. Community
   -------------------------------------------------------------------------- */
.community__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: start;
}

.community__lead { margin-bottom: 1.5rem; }
.highlights__caption { margin-bottom: 1rem; }

.highlights {
  border-top: 1px solid var(--line-strong);
}
.highlights li {
  display: flex;
  gap: 1rem;
  padding-block: 0.9375rem;
  border-bottom: 1px solid var(--line);
  font-size: var(--size-small);
  color: var(--ink-soft);
}
.highlights li::before {
  content: counter(hl, decimal-leading-zero);
  counter-increment: hl;
  flex: none;
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.highlights { counter-reset: hl; }

.community__cta { margin-top: 2rem; }

@media (max-width: 52em) {
  .community__grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   11. Join
   -------------------------------------------------------------------------- */
.join {
  background: var(--ink);
  color: var(--paper);
}
.join .section-index { color: #9aa0aa; }
.join .section-index::before { color: var(--accent-light); }
.join .section-index::after { background: #33373e; }
.join .lead { color: #c9cbcf; }

.join__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: start;
}

.join__note {
  margin-top: 1.25rem;
  font-size: var(--size-small);
  color: #8d939d;
}

.join__lists {
  display: grid;
  gap: 2.5rem;
}

.join__list-title {
  padding-bottom: 0.75rem;
  margin-bottom: 0.25rem;
  border-bottom: 1px solid #33373e;
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: #9aa0aa;
}
.join__list li {
  padding-block: 0.875rem;
  border-bottom: 1px solid #26292f;
  font-size: var(--size-small);
  line-height: 1.6;
  color: #d5d7db;
}

@media (max-width: 52em) {
  .join__grid { grid-template-columns: 1fr; }
}
@media (min-width: 40em) {
  .join__lists { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (min-width: 52em) {
  .join__lists { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  border-top: 1px solid var(--line);
}

.footer__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr));
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.footer__note {
  max-width: 32ch;
  margin-top: 1rem;
  font-size: var(--size-small);
  color: var(--muted);
}

.footer__col-title {
  margin-bottom: 1rem;
  font-size: var(--size-label);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer__list li + li { margin-top: 0.5rem; }
.footer__list a {
  font-size: var(--size-small);
  color: var(--ink-soft);
  text-decoration: none;
}
.footer__list a:hover { color: var(--accent); text-decoration: underline; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-top: 1.5rem;
  font-size: var(--size-small);
  color: var(--muted);
}
.footer__bottom a { color: var(--muted); text-decoration: none; }
.footer__bottom a:hover { color: var(--accent); text-decoration: underline; }

@media (max-width: 48em) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 30em) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* --------------------------------------------------------------------------
   13. Motion & print
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header, .nav-toggle, .filter, .skip-link { display: none; }
  body { background: #fff; }
  .join { background: #fff; color: #000; }
}