/* Layout and page components. */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--lamp);
  color: var(--navy);
}

.skip-link:focus {
  top: 1rem;
}

.site-main:focus {
  outline: none;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 20, 24, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.75rem;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--foam);
  text-decoration: none;
}

.branding__logo {
  display: block;
  width: auto;
  height: 62px;
}

.main-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-menu__link {
  display: block;
  padding: 0.4rem 0;
  color: var(--mist);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.main-menu__link:hover,
.main-menu__item.is-active .main-menu__link {
  color: var(--foam);
  border-bottom-color: var(--lamp);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: 1px solid var(--slate);
  border-radius: var(--radius);
  color: var(--foam);
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

@media (max-width: 52rem) {
  .js .nav-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.25rem;
  }

  .js .site-nav.is-open {
    display: block;
  }

  .main-menu {
    flex-direction: column;
  }

  .main-menu__link {
    padding: 0.6rem 0;
  }

  .branding__logo {
    height: 46px;
  }
}

/* ---------- Inner pages ---------- */

.page-head {
  padding: clamp(5rem, 13vw, 10rem) 0 1.5rem;
  background:
    linear-gradient(180deg, rgba(11, 20, 24, 0.35) 0%, rgba(11, 20, 24, 0.55) 55%, var(--navy) 100%),
    url("../images/sea-background.jpg") center 42% / cover no-repeat,
    var(--navy);
}

.page-title {
  margin: 0;
  max-width: var(--measure);
}

.page-title::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin-top: 1.1rem;
  background: var(--lamp);
}

.page-body {
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.page-body > p,
.page-body > h2,
.page-body > h3,
.page-body > ul:not(.cards),
.page-body > ol:not(.steps),
.page-body > blockquote {
  max-width: var(--measure);
}

.lede {
  font-size: 1.3rem;
  line-height: 1.55;
  color: var(--foam);
}

.page-body p,
.page-body li,
.band p {
  color: #d6d2c6;
}

.page-meta {
  color: var(--mist);
  font-family: var(--font-head);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

/* ---------- Front page ---------- */

.hero {
  position: relative;
  /* The picture fills the width; the text sits on the water below the ship. */
  padding: max(31vw, 8rem) 0 clamp(3rem, 8vw, 6rem);
  background:
    linear-gradient(180deg, rgba(11, 20, 24, 0) 0, rgba(11, 20, 24, 0) 22vw,
      rgba(11, 20, 24, 0.82) 38vw, var(--navy) 56.25vw) top / 100% 56.25vw no-repeat,
    url("../images/ship-at-sea.jpg") top / 100% auto no-repeat,
    var(--navy);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lamp);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.8rem, 8vw, 5.75rem);
  line-height: 0.98;
  max-width: 14ch;
}

.hero__lede {
  max-width: 34rem;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--foam);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.band {
  padding: clamp(3.5rem, 9vw, 6.5rem) 0;
  border-top: 1px solid var(--line);
}

.band--sea {
  background: var(--sea);
}

.band__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.band__inner > h2:first-child,
.band__inner > .eyebrow:first-child + h2 {
  margin-top: 0;
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem 4rem;
  align-items: start;
}

@media (min-width: 52rem) {
  .split {
    grid-template-columns: 5fr 6fr;
  }
}

.split > div > p:last-child {
  margin-bottom: 0;
}

.quote {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.2;
  color: var(--foam);
  max-width: 30ch;
  margin: 0;
}

.quote::before {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin-bottom: 1.25rem;
  background: var(--lamp);
}

/* ---------- Cards (crews, ship parts) ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.card {
  position: relative;
  padding: 1.5rem 1.5rem 1.4rem;
  background: var(--navy);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent, var(--slate));
  border-radius: var(--radius);
}

.band--sea .card {
  background: rgba(11, 20, 24, 0.55);
}

.card h3 {
  margin: 0 0 0.2rem;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card__tag {
  margin: 0 0 0.9rem;
  font-family: var(--font-head);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--mist);
}

.card p:last-child {
  margin-bottom: 0;
}

.card--whitetail { --accent: #8fae5a; }
.card--breakwater { --accent: #c77b3f; }
.card--syndicate { --accent: #b9a46a; }
.card--lifeline { --accent: #e6e1d3; }
.card--swiftwater { --accent: #5f9fc9; }
.card--administration { --accent: #7c8a91; }

.trade {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-head);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--mist);
}

.trade b {
  color: var(--foam);
  font-weight: 600;
}

.trade span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.trade img {
  width: 32px;
  height: 32px;
}

/* ---------- Steps (how to play) ---------- */

.steps {
  counter-reset: step;
  list-style: none;
  margin: 2rem 0;
  padding: 0;
  max-width: var(--measure);
}

.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.75rem 3.5rem;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--lamp);
  border-radius: 50%;
  color: var(--lamp);
  font-family: var(--font-head);
  font-weight: 600;
}

.steps h3 {
  margin: 0 0 0.35rem;
}

.note {
  max-width: var(--measure);
  padding: 1.1rem 1.25rem;
  margin: 2rem 0;
  background: var(--lamp-soft);
  border-left: 3px solid var(--lamp);
  border-radius: var(--radius);
}

.note p:last-child {
  margin: 0;
}

kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0 0.4em;
  border: 1px solid var(--slate);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: var(--sea);
  font-family: var(--font-head);
  font-size: 0.95em;
  text-align: center;
  line-height: 1.5;
}

/* ---------- Figures ---------- */

.figure {
  margin: 2rem 0 2.5rem;
}

.figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.figure figcaption {
  margin-top: 0.6rem;
  color: var(--mist);
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 2.5rem;
  color: var(--mist);
  font-size: 0.95rem;
}

.site-footer__name {
  font-family: var(--font-mark);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--foam);
  margin-bottom: 0.5rem;
}

.site-footer__note {
  max-width: 36rem;
}

.site-footer__small {
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  opacity: 0.7;
}

.band .eyebrow,
.page-body .eyebrow {
  color: var(--lamp);
}

/* ---------- Downloads ---------- */

.downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1rem;
  max-width: var(--measure);
  margin: 1.5rem 0 1.25rem;
}

.download {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--lamp);
  border-radius: var(--radius);
  background: var(--lamp-soft);
  color: var(--foam);
  text-decoration: none;
}

.download:hover {
  background: var(--lamp);
  color: var(--navy);
}

.download__os {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.download__file {
  font-size: 0.95rem;
  opacity: 0.85;
}

.download-note {
  font-size: 0.95rem;
  color: var(--mist);
}

code {
  padding: 0.05em 0.35em;
  background: var(--sea);
  border-radius: 3px;
  font-size: 0.9em;
  white-space: nowrap;
}

/* ---------- Guide ---------- */

.toc {
  max-width: var(--measure);
  margin: 2rem 0 2.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sea);
}

.toc__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.toc ol {
  margin: 0;
  padding-left: 1.25rem;
  columns: 2 14rem;
  column-gap: 2rem;
}

.toc li {
  margin: 0 0 0.4rem;
  break-inside: avoid;
}

.page-body > table.keys {
  max-width: var(--measure);
  margin: 1.5rem 0 2rem;
}

.keys td:first-child {
  white-space: nowrap;
  width: 1%;
  padding-right: 1.5rem;
}

.keys td {
  color: #d6d2c6;
  vertical-align: top;
}

.page-body h2[id] {
  scroll-margin-top: 1.5rem;
}