/* ============================================================
   Michael Peacock — portfolio
   Visual system: a NOAA-style navigational chart.

   Colour comes from real chart convention, not decoration:
   buff land, pale shoal water, navy linework, and magenta —
   which on a real chart is reserved for lights and cautions,
   so it is reserved here for the one thing worth flagging.
   ============================================================ */

:root {
  /* chart sheet */
  --paper:      #FBF6EC;
  --paper-deep: #F3EADA;
  --land:       #E6D7AC;
  --shoal:      #C9E3E1;
  --ink:        #14303F;
  --ink-soft:   #4A6272;
  /* Carries dates and meta labels at ~0.7rem, so it has to clear AA at
     small-text weight (4.5:1) — not the 3:1 large-text allowance. */
  --ink-faint:  #5C7080;
  --magenta:    #C4106B;
  --rule:       #C3B896;

  --grid-line:  rgba(20, 48, 63, 0.055);

  /* type */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body:    "Public Sans", system-ui, -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* measure */
  --wrap:  74rem;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  --shadow: 0 1px 0 var(--rule), 0 12px 28px -20px rgba(20, 48, 63, 0.5);
}

/* Night passage. Real bridges run red-shifted light after dark to
   preserve night vision — so the dark theme warms rather than cools. */
:root[data-theme="night"] {
  --paper:      #0A141C;
  --paper-deep: #0F1D28;
  --land:       #2A2519;
  --shoal:      #12303A;
  --ink:        #DCE8EE;
  --ink-soft:   #93A9B6;
  --ink-faint:  #71889A;
  --magenta:    #FF5C9E;
  --rule:       #2E4150;
  --grid-line:  rgba(220, 232, 238, 0.05);
  --shadow: 0 1px 0 var(--rule), 0 14px 34px -22px #000;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="day"]) {
    --paper:      #0A141C;
    --paper-deep: #0F1D28;
    --land:       #2A2519;
    --shoal:      #12303A;
    --ink:        #DCE8EE;
    --ink-soft:   #93A9B6;
    --ink-faint:  #71889A;
    --magenta:    #FF5C9E;
    --rule:       #2E4150;
    --grid-line:  rgba(220, 232, 238, 0.05);
    --shadow: 0 1px 0 var(--rule), 0 14px 34px -22px #000;
  }
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background-color: var(--paper);
  /* The lat/long graticule. Faint enough to read as paper texture. */
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(var(--wrap), 100% - var(--gutter) * 2); margin-inline: auto; }
.wrap--narrow { width: min(46rem, 100% - var(--gutter) * 2); }

a { color: var(--ink); text-decoration-color: var(--magenta); text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
a:hover { color: var(--magenta); }

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

code { font-family: var(--mono); font-size: 0.9em; }
.muted { color: var(--ink-faint); }

.skip {
  position: absolute; left: -9999px;
  background: var(--magenta); color: #fff; padding: 0.75rem 1.25rem;
  font-family: var(--mono); font-size: 0.8rem; z-index: 50;
}
.skip:focus { left: 1rem; top: 1rem; }

/* Soundings — depth figures on a chart are always set in a plain
   upright face, never italic. Numbers here get the same treatment. */
.sounding {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--magenta);
}

/* ── lamp toggle ───────────────────────────────────────────── */
.lamp {
  position: fixed; top: 1rem; right: 1rem; z-index: 40;
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.5rem 0.85rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.09em; text-transform: uppercase;
  cursor: pointer;
}
.lamp:hover { color: var(--magenta); border-color: var(--magenta); }
.lamp__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--magenta); }
.lamp[aria-pressed="true"] .lamp__dot { box-shadow: 0 0 0 3px rgba(255, 92, 158, 0.25); }
@media (max-width: 34rem) { .lamp__text { display: none; } }

/* ── title block ───────────────────────────────────────────── */
.block { padding: clamp(3.5rem, 9vw, 7rem) var(--gutter) clamp(2.5rem, 6vw, 4.5rem); max-width: var(--wrap); margin-inline: auto; }
.block__rule { height: 3px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }

.block__auth {
  margin: 1.1rem 0 0;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft);
}

.block__title {
  margin: 0.5rem 0 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(3.4rem, 13vw, 9.5rem);
  line-height: 0.85;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
}

.block__sub {
  margin: 1rem 0 0;
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: clamp(1.25rem, 3.2vw, 1.9rem);
  color: var(--ink-soft);
}

/* The chart's data panel — label above value, hairline separated. */
.block__meta {
  display: grid; gap: 0 2rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  margin: 2.5rem 0 0; padding: 1.1rem 0;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.block__meta dt {
  font-family: var(--mono); font-size: 0.66rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint);
}
.block__meta dd { margin: 0.15rem 0 0.7rem; font-size: 0.92rem; color: var(--ink-soft); }

.block__lede {
  margin: 2rem 0 0; max-width: 44ch;
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.3rem); line-height: 1.55;
}

.block__nav { display: flex; flex-wrap: wrap; gap: 1.4rem; margin: 2.5rem 0 1.5rem; }
.block__nav a {
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.11em; text-transform: uppercase;
  text-decoration: none; color: var(--ink-soft);
  padding-bottom: 0.2rem; border-bottom: 1px solid transparent;
}
.block__nav a:hover { color: var(--magenta); border-bottom-color: var(--magenta); }

/* ── shared section furniture ──────────────────────────────── */
.eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--magenta);
}
.h2 {
  margin: 0;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(2rem, 5.5vw, 3.4rem); line-height: 1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 96, "WONK" 1;
}
.section-lede { margin: 1rem 0 0; max-width: 52ch; color: var(--ink-soft); font-size: 1.05rem; }

.course, .legend, .instruments, .about, .contact { padding-block: clamp(3.5rem, 9vw, 6.5rem); }
.legend, .about { background: var(--paper-deep); border-block: 1px solid var(--rule); }

/* ── the plotted course ────────────────────────────────────── */
/* The line and the waypoint pins must share one origin, or the pins
   drift off the course. `--course-x` is that single origin: the track
   is padded to it, the rhumb is drawn on it, and each pin is centred
   on its own left edge — which now sits exactly there. */
.track {
  --course-x: max(var(--gutter), calc(50vw - var(--wrap) / 2));
  position: relative;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-left: var(--course-x);
  padding-right: var(--gutter);
}

.rhumb {
  position: absolute; top: 0; left: calc(var(--course-x) - 2px);
  width: 4px; height: 100%;
  overflow: visible;
}
.rhumb__ghost { stroke: var(--rule); stroke-width: 1; }
.rhumb__ink {
  stroke: var(--magenta); stroke-width: 2;
  stroke-dasharray: 1000; stroke-dashoffset: var(--draw, 0);
}
@media (prefers-reduced-motion: reduce) { .rhumb__ink { stroke-dashoffset: 0; } }

.waypoints { list-style: none; margin: 0; padding: 0; }

.wp { position: relative; padding-left: clamp(1.75rem, 4vw, 3.25rem); }
.wp + .wp { margin-top: clamp(2rem, 5vw, 3.5rem); }

/* Waypoint pin — a plain tick for a minor mark, a magenta star
   flare for the major light, exactly as a chart would render them. */
/* Each pin renders the same mark as its row in the legend. Keep these
   four in lockstep with .key--* below — if they drift, the legend stops
   describing the chart, which is worse than having no legend. */
.wp__pin {
  position: absolute; left: -7px; top: 2.4rem;
  width: 14px; height: 14px;
  background: var(--paper); border: 2px solid var(--ink-soft);
  border-radius: 50%;
}
.wp[data-kind="prod"]    .wp__pin { border-color: var(--magenta); }
.wp[data-kind="course"]  .wp__pin { border-color: var(--ink-soft); }
.wp[data-kind="private"] .wp__pin { border-color: var(--ink-faint); border-style: dashed; }

/* The major light outranks its production mark — it is the one fixed
   point the chart is oriented from, so it reads as a lit beacon. */
.wp[data-mark="major"] .wp__pin {
  left: -10px; width: 20px; height: 20px;
  background: var(--magenta); border-color: var(--magenta); border-style: solid;
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--magenta) 18%, transparent);
}

.wp .card { max-width: 60rem; }

/* ── project card ──────────────────────────────────────────── */
.card {
  position: relative;
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  background: var(--paper);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
}
.card--light { border-color: var(--magenta); border-width: 1.5px; }

.card__flare {
  position: absolute; top: 0; right: 0;
  margin: 0; padding: 0.3rem 0.8rem;
  background: var(--magenta); color: #fff;
  font-family: var(--mono); font-size: 0.62rem;
  letter-spacing: 0.16em; text-transform: uppercase;
}

.card__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem 1.1rem; }
.card__when {
  order: -1; flex-basis: 100%; margin: 0;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.1em; color: var(--ink-faint);
}
.card__name {
  margin: 0.35rem 0 0;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem); line-height: 1.05;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 72, "WONK" 1;
}
.card__kind {
  margin: 0.35rem 0 0;
  font-family: var(--mono); font-size: 0.67rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.2rem 0.5rem; border: 1px solid currentColor;
}
.card__kind[data-kind="prod"]    { color: var(--magenta); }
.card__kind[data-kind="course"]  { color: var(--ink-soft); }
.card__kind[data-kind="private"] { color: var(--ink-faint); }

.card__body { margin: 1rem 0 0; max-width: 62ch; color: var(--ink-soft); }

.stack { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; margin: 1.2rem 0 0; padding: 0; }
.stack li {
  font-family: var(--mono); font-size: 0.7rem;
  padding: 0.22rem 0.55rem;
  background: var(--shoal); color: var(--ink);
}

/* Chart convention: water features are lettered in italic. The
   soundings line describes the depth of the work, so it leans. */
.card__sound {
  margin: 1.1rem 0 0; padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
  font-style: italic; font-size: 0.88rem; color: var(--ink-soft);
}

.card__links { display: flex; flex-wrap: wrap; gap: 1.3rem; margin: 1rem 0 0; }
.card__links a {
  font-family: var(--mono); font-size: 0.76rem;
  letter-spacing: 0.07em; text-decoration: none;
  border-bottom: 1px solid var(--magenta); padding-bottom: 0.12rem;
}
.card__links .muted { font-family: var(--mono); font-size: 0.76rem; font-style: italic; }

/* ── legend ────────────────────────────────────────────────── */
.legend__grid { margin: 2.5rem 0 0; display: grid; gap: 0; }
.legend__row {
  display: grid; gap: 0.3rem 2rem;
  grid-template-columns: minmax(12rem, 16rem) 1fr;
  padding: 1.1rem 0; border-top: 1px solid var(--rule);
}
.legend__row:last-child { border-bottom: 1px solid var(--rule); }
.legend__row dt {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.legend__row dd { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.key { width: 13px; height: 13px; border-radius: 50%; flex: none; border: 2px solid var(--ink-soft); }
.key--prod    { border-color: var(--magenta); }
.key--course  { border-color: var(--ink-soft); }
.key--private { border-color: var(--ink-faint); border-style: dashed; }
.key--light   { background: var(--magenta); border-color: var(--magenta); box-shadow: 0 0 0 4px color-mix(in srgb, var(--magenta) 18%, transparent); }

@media (max-width: 40rem) { .legend__row { grid-template-columns: 1fr; } }

/* ── instruments ───────────────────────────────────────────── */
.inst__grid {
  display: grid; gap: 1px; margin: 2.5rem 0 0;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  background: var(--rule); border: 1px solid var(--rule);
}
.inst { padding: 1.5rem; background: var(--paper); }
.inst h3 {
  margin: 0 0 0.9rem;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--magenta);
}
.inst ul { margin: 0; padding: 0; list-style: none; }
.inst li { padding: 0.3rem 0; font-size: 0.93rem; color: var(--ink-soft); border-top: 1px solid var(--grid-line); }
.inst li:first-child { border-top: 0; }

/* ── about ─────────────────────────────────────────────────── */
.about__lead {
  margin: 2rem 0 1.5rem;
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: clamp(1.4rem, 3.6vw, 2rem); line-height: 1.25; color: var(--ink);
}
.about p { max-width: 62ch; color: var(--ink-soft); }
.about em { font-style: italic; color: var(--ink); }

/* ── contact ───────────────────────────────────────────────── */
.hail { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3rem); margin-top: 2.25rem; align-items: flex-start; }
.hail__body { flex: 1 1 22rem; min-width: 0; }
.hail__lede { margin: 0 0 0.5rem; color: var(--ink-soft); max-width: 46ch; }

/* Ringed like a compass rose bezel rather than a plain avatar. */
.hail__portrait {
  flex: none;
  width: clamp(8rem, 22vw, 11.5rem);
  height: clamp(8rem, 22vw, 11.5rem);
  border-radius: 50%;
  object-fit: cover;
  object-position: center 22%;
  border: 2px solid var(--magenta);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--magenta) 12%, transparent), var(--shadow);
  background: var(--paper-deep);
}

.contact__list { list-style: none; margin: 1.25rem 0 0; padding: 0; }
.contact__list li { padding: 0.9rem 0; border-top: 1px solid var(--rule); }
.contact__list li:last-child { border-bottom: 1px solid var(--rule); }
.contact__list a {
  font-family: var(--display); font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  text-decoration: none; border-bottom: 1px solid var(--magenta);
}
.contact__note {
  display: block; margin-top: 0.3rem;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.08em; color: var(--ink-faint);
}

/* ── foot ──────────────────────────────────────────────────── */
.foot { padding-block: 3rem; border-top: 1px solid var(--ink); }
.foot p { margin: 0; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.07em; color: var(--ink-soft); }
.foot__note { margin-top: 0.5rem; color: var(--ink-faint); }

/* ── reveal ────────────────────────────────────────────────── */
.wp { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .js .wp { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
  .js .wp.is-fixed { opacity: 1; transform: none; }
}