/* ================================================================
   AETHER AERIAL — Regions Served page
   Extends styles.css + journal.css
   ================================================================ */

.regions__main {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--gutter) clamp(4rem, 8vw, 7rem);
}

/* ---------- Head ---------- */
.regions__head {
  max-width: 68ch;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.regions__eyebrow {
  font-family: var(--f-ui);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.5rem;
}

.regions__title {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 6.2vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
  margin: 0 0 1.8rem;
  color: var(--ink);
}

.regions__title em {
  font-style: italic;
  color: var(--accent-deep);
}

.regions__lede {
  font-family: var(--f-display);
  font-size: clamp(1.15rem, 1.55vw, 1.4rem);
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 1.6rem;
}

.regions__byline {
  font-family: var(--f-ui);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}

/* ---------- Shared H2 ---------- */
.regions__h2 {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 1.6rem;
  color: var(--ink);
}

.regions__h2 em {
  font-style: italic;
  color: var(--accent-deep);
}

/* ================================================================
   WHY — Part 107 advantage block
   ================================================================ */
.regions__why {
  padding-block: clamp(2.4rem, 5vw, 4.2rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

@media (max-width: 960px) {
  .why__grid { grid-template-columns: 1fr; gap: 2.4rem; }
}

.why__col {
  margin: 0;
}

.why__title {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: 1.45rem;
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.005em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.why__num {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  flex: 0 0 auto;
  min-width: 1.4rem;
}

.why__col p {
  font-family: var(--f-display);
  font-size: 1.06rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

.why__col em {
  font-style: italic;
  color: var(--ink);
}

/* ---------- Matrix table ---------- */
.why__table {
  margin-top: 1rem;
}

.why__table-title {
  font-family: var(--f-display);
  font-weight: 400;
  font-style: italic;
  font-size: 1.2rem;
  letter-spacing: 0;
  margin: 0 0 1.4rem;
  color: var(--ink);
}

.why__matrix {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--f-display);
  font-size: 1rem;
  color: var(--ink);
}

.why__matrix thead th {
  text-align: left;
  font-family: var(--f-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.7rem 0.8rem;
  border-bottom: 1.5px solid var(--ink);
  background: transparent;
}

.why__matrix thead th:nth-child(2) {
  color: var(--ink-faint);
}

.why__matrix thead th:nth-child(3) {
  color: var(--accent-deep);
}

.why__matrix td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--rule-faint);
  vertical-align: top;
  line-height: 1.45;
  color: var(--ink-soft);
}

.why__matrix tr td:first-child {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--ink);
  width: 30%;
}

.why__matrix tr td:nth-child(3) {
  color: var(--ink);
  font-weight: 400;
}

.why__matrix tr:hover td {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

@media (max-width: 720px) {
  .why__matrix,
  .why__matrix thead,
  .why__matrix tbody,
  .why__matrix th,
  .why__matrix td,
  .why__matrix tr {
    display: block;
  }
  .why__matrix thead {
    display: none;
  }
  .why__matrix tr {
    margin-bottom: 1.4rem;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 1rem;
  }
  .why__matrix td {
    border-bottom: none;
    padding: 0.2rem 0;
  }
  .why__matrix tr td:first-child {
    width: 100%;
    font-weight: 500;
    color: var(--ink);
    font-style: normal;
    font-family: var(--f-ui);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
  }
  .why__matrix td:nth-child(2)::before {
    content: "Hobbyist: ";
    font-family: var(--f-ui);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-right: 0.4rem;
  }
  .why__matrix td:nth-child(3)::before {
    content: "Part 107: ";
    font-family: var(--f-ui);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-right: 0.4rem;
  }
}

/* ================================================================
   REGIONS — list of regional blocks
   ================================================================ */
.regions__list {
  display: grid;
  gap: clamp(4rem, 7vw, 6rem);
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.region-block {
  display: grid;
  grid-template-columns: 0.32fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
}

@media (max-width: 880px) {
  .region-block {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
}

.region-block__head {
  position: sticky;
  top: 100px;
  align-self: start;
}

@media (max-width: 880px) {
  .region-block__head { position: static; }
}

.region-block__num {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--accent);
  margin: 0 0 0.6rem;
}

.region-block__title {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(1.7rem, 2.6vw, 2.2rem);
  line-height: 1.12;
  letter-spacing: -0.005em;
  margin: 0 0 0.9rem;
  color: var(--ink);
}

.region-block__sub {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink-faint);
  margin: 0;
}

.region-block__body p {
  font-family: var(--f-display);
  font-size: 1.12rem;
  line-height: 1.65;
  color: var(--ink);
  margin: 0 0 1.2rem;
}

.region-block__body em {
  font-style: italic;
  color: var(--ink-soft);
}

.region-block__body strong {
  font-weight: 500;
  color: var(--ink);
}

.region-block__caveats {
  margin-top: 1.4rem !important;
  padding: 1.1rem 1.2rem;
  background: var(--bg-soft);
  border-left: 2px solid var(--accent);
  font-size: 1rem !important;
  line-height: 1.55 !important;
  color: var(--ink-soft) !important;
}

.region-block__caveats strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--f-ui);
  font-size: 0.7rem !important;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

/* ================================================================
   CLOSING
   ================================================================ */
.regions__close {
  border-top: 1px solid var(--rule);
  padding-top: clamp(3rem, 5vw, 4rem);
  max-width: 64ch;
}

.regions__close-copy {
  font-family: var(--f-display);
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

.regions__cta {
  margin: 0;
}

.regions__cta a {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.regions__cta a:hover {
  color: var(--accent-deep);
}