/* Pro Adventures — pale dive-slate paper, brand blue #005E9C, training-record layout */

:root {
  --ink:      #10202c;
  --ink-soft: #4c6971;
  --blue:     #005e9c;
  --blue-dk:  #003f6c;
  --aqua:     #68ccd1;
  --paper:    #eef2f4;
  --card:     #ffffff;
  --rule:     rgba(16, 32, 44, .16);
  --rule-hi:  rgba(16, 32, 44, .30);

  --sans: "Archivo", system-ui, -apple-system, sans-serif;
  --serif: "Newsreader", Georgia, serif;

  --gut: clamp(1.25rem, 5vw, 4rem);
  --max: 74rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.6;
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.015em;
  margin: 0;
  text-wrap: balance;
}

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem; top: 1rem;
  z-index: 20;
  background: var(--blue);
  color: #fff;
  padding: .6rem 1rem;
  border-radius: 2px;
}

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* ---------- top bar ---------- */

.bar {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  max-width: var(--max);
  margin-inline: auto;
  padding: 1.15rem var(--gut);
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  margin-right: auto;
}
.brand img { width: 40px; height: auto; }
.brand span {
  font-size: .95rem;
  font-weight: 700;
  font-variation-settings: "wdth" 88;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.bar-nav { display: flex; gap: 1.75rem; }
.bar-nav a {
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.bar-nav a:hover { border-bottom-color: var(--blue); }

.bar-call {
  font-size: .9rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.bar-call:hover { text-decoration: underline; }

@media (max-width: 46rem) {
  .bar { flex-wrap: wrap; row-gap: .75rem; }
  .brand { margin-right: 0; width: 100%; }
  .bar-nav { gap: 1.25rem; margin-right: auto; }
  .bar-call { width: auto; }
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4.5rem);
}

.hero h1 {
  font-size: clamp(2.4rem, 1rem + 6.2vw, 5.25rem);
  font-variation-settings: "wdth" 112;
  max-width: 16ch;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.125rem, 1rem + .55vw, 1.5rem);
  line-height: 1.5;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 1.5rem 0 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 2.25rem 0 0;
}

.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-size: .9375rem;
  font-weight: 600;
  padding: .85rem 1.5rem;
  border: 1px solid var(--blue);
  border-radius: 2px;
  transition: background .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--blue-dk); border-color: var(--blue-dk); }

.btn-quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-hi);
}
.btn-quiet:hover { background: transparent; border-color: var(--ink); }

.hero-mark {
  position: absolute;
  right: -5rem;
  bottom: -6rem;
  width: min(30rem, 46vw);
  opacity: .07;
  pointer-events: none;
}

@media (max-width: 60rem) {
  .hero-mark { right: -8rem; bottom: -9rem; width: 24rem; opacity: .05; }
}

/* ---------- strip ---------- */

.strip {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: rgba(255, 255, 255, .45);
}
.strip p {
  margin: 0;
  padding-block: 1rem;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--ink-soft);
}

/* ---------- training record ---------- */

.record { padding-block: clamp(3.5rem, 9vw, 6.5rem); }

.record h2,
.about h2,
.contact h2 {
  font-size: clamp(1.75rem, 1.1rem + 2.4vw, 2.75rem);
  font-variation-settings: "wdth" 105;
}

.section-lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.1875rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 1rem 0 0;
}

.log { margin-top: clamp(2rem, 5vw, 3.25rem); }

.row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  column-gap: 2rem;
  row-gap: 1.25rem;
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid var(--rule-hi);
}
.row:last-child { border-bottom: 1px solid var(--rule-hi); }

.code {
  grid-row: 1 / span 4;
  margin: 0;
  font-size: .8125rem;
  font-weight: 700;
  font-variation-settings: "wdth" 85;
  letter-spacing: .08em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
  padding-top: .45rem;
}

.row-head h3 {
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  font-variation-settings: "wdth" 102;
}
.iso {
  margin: .4rem 0 0;
  font-size: .9375rem;
  color: var(--ink-soft);
}

.figs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--rule);
}
.figs dt {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink-soft);
}
.figs dd {
  margin: .25rem 0 0;
  font-size: clamp(1.75rem, 1.2rem + 1.9vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  font-variation-settings: "wdth" 92;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.figs dd span {
  font-size: .95rem;
  font-weight: 500;
  font-variation-settings: "wdth" 100;
  color: var(--ink-soft);
  letter-spacing: 0;
}
.row-note {
  margin: 0;
  font-size: .875rem;
  color: var(--ink-soft);
}

.row-link {
  justify-self: start;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--aqua);
  padding-bottom: 2px;
}
.row-link:hover { border-bottom-color: var(--blue); }

.fineprint {
  margin: 2rem 0 0;
  font-size: .8125rem;
  color: var(--ink-soft);
  max-width: 58ch;
}
.fineprint a { color: var(--blue); text-decoration: none; border-bottom: 1px solid var(--aqua); }
.fineprint a:hover { border-bottom-color: var(--blue); }

@media (max-width: 46rem) {
  .row { grid-template-columns: 1fr; row-gap: 1rem; }
  .code { grid-row: auto; padding-top: 0; }
  .figs { grid-template-columns: repeat(2, 1fr); gap: 1.1rem 1.5rem; }
}

/* ---------- about ---------- */

.about {
  background: var(--card);
  border-block: 1px solid var(--rule);
  padding-block: clamp(3.5rem, 9vw, 6.5rem);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: start;
}

.about-text p {
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.68;
  font-weight: 300;
  max-width: 60ch;
}
.about-text > p:first-of-type { margin-top: 1.5rem; }

.quote {
  border-left: 2px solid var(--aqua);
  padding-left: 1.25rem;
  font-style: italic;
  color: var(--ink-soft);
}
.quote span {
  display: block;
  font-style: normal;
  font-family: var(--sans);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .05em;
  margin-top: .6rem;
  color: var(--ink);
}

.about-fig { margin: 0; }
.about-fig img { border-radius: 2px; }

@media (max-width: 56rem) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ---------- contact ---------- */

.contact { padding-block: clamp(3.5rem, 9vw, 6rem); }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: start;
}
.contact-grid > div > p {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 40ch;
  margin-top: 1.25rem;
}

.details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 2rem;
  margin: 0;
}
.details dt {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink-soft);
  padding-bottom: .45rem;
  border-bottom: 1px solid var(--rule);
}
.details dd {
  margin: .7rem 0 0;
  font-size: 1.0625rem;
  font-weight: 500;
  text-wrap: pretty;
}
.details a { color: var(--blue); text-decoration: none; }
.details a:hover { text-decoration: underline; }

@media (max-width: 56rem) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- footer ---------- */

.foot {
  background: var(--ink);
  color: #b9c8d1;
  padding-block: 2.25rem;
  font-size: .875rem;
}
.foot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}
.foot p { margin: 0; max-width: 52ch; }
.foot-links { display: flex; gap: 1.5rem; }
.foot-links a { color: #fff; text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}