/* ============================================================
   Taylor Priest — personal academic site
   Design system: ocean depth-zone gradient
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Public+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --epipelagic: #1E6E8C;
  --epipelagic-deep: #175A73;
  --mesopelagic: #154C68;
  --mesopelagic-deep: #103C54;
  --bathypelagic: #0C2C42;
  --bathypelagic-deep: #081F30;
  --abyssal: #05141F;
  --abyssal-deep: #030d15;
  --sand: #F2EFE6;
  --sand-dim: #C9D6DA;
  --accent: #7FD9C4;
  --accent-dim: #5CA898;
  --rule: rgba(242, 239, 230, 0.14);

  --serif: "Fraunces", Georgia, serif;
  --sans: "Public Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--sand);
  background: var(--epipelagic);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-dim);
  transition: opacity 0.15s ease;
}
a:hover { opacity: 0.75; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.9;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.75rem;
}
.wrap--wide { max-width: 1080px; }

/* ---------- surface (ocean/air interface at page top) ---------- */
.surface {
  position: relative;
  width: 100%;
  height: 110px;
  overflow: hidden;
  background: linear-gradient(180deg, #FBF9F3 0%, #CDEAE3 100%);
}
.surface__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 65px;
  display: block;
}
@media (max-width: 620px) {
  .surface { height: 70px; }
  .surface__wave { height: 42px; }
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  background: linear-gradient(to bottom, rgba(5,20,31,0.55), transparent);
  pointer-events: none;
}
.nav * { pointer-events: auto; }
.nav__name { color: var(--sand); border: none; font-weight: 500; }
.nav__links { display: flex; gap: 1.4rem; }
.nav__links a {
  color: var(--sand-dim);
  border: none;
  text-transform: uppercase;
  margin-left: 1.4rem;
}
.nav__links a:first-child { margin-left: 0; }
.nav__links a:hover { color: var(--accent); opacity: 1; }

@media (max-width: 620px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 1rem 1.25rem;
  }
  .nav__links { gap: 0.9rem; font-size: 0.68rem; }
  .nav__links a { margin-left: 0.9rem; }
  .wrap { padding: 0 1.25rem; }
}

/* ---------- depth zones ---------- */
.zone {
  position: relative;
  padding: 7rem 0 6rem;
}

.zone--hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, var(--epipelagic) 0%, var(--epipelagic-deep) 100%);
  padding-top: 3rem;
}
.zone--journey {
  background: linear-gradient(180deg, var(--epipelagic-deep) 0%, var(--mesopelagic) 100%);
  padding: 6rem 0;
}
.zone--research {
  background: linear-gradient(180deg, var(--mesopelagic) 0%, var(--mesopelagic-deep) 60%, var(--mesopelagic-deep) 100%);
}
.zone--pubs {
  background: linear-gradient(180deg, var(--mesopelagic-deep) 0%, var(--bathypelagic) 15%, var(--bathypelagic-deep) 100%);
}
.zone--field {
  background: linear-gradient(180deg, var(--bathypelagic-deep) 0%, var(--abyssal) 100%);
}
.zone--contact {
  background: linear-gradient(180deg, var(--abyssal) 0%, var(--abyssal-deep) 100%);
  padding-bottom: 3.5rem;
}

/* subtle depth marker rail, encodes actual meter depth, not decorative numbering */
.depth-tag {
  position: absolute;
  right: 1.75rem;
  top: 2.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--sand-dim);
  opacity: 0.6;
  letter-spacing: 0.06em;
}

/* ---------- hero ---------- */
.hero__grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}
.hero__text { flex: 1; min-width: 0; }
.hero__photo { flex-shrink: 0; }
.hero__photo img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 8px rgba(127, 217, 196, 0.08);
  display: block;
}
@media (max-width: 700px) {
  .hero__grid { flex-direction: column; align-items: flex-start; gap: 2rem; }
  .hero__photo { order: 2; align-self: center; }
  .hero__photo img { width: 150px; height: 150px; }
}
.hero__eyebrow { margin-bottom: 1.4rem; font-size: 0.85rem; }
.hero h1 {
  font-size: clamp(2.8rem, 7.2vw, 5rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.hero__role {
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--sand-dim);
  margin-top: 1.1rem;
  letter-spacing: 0.02em;
}
.hero__lede {
  margin-top: 1.9rem;
  font-size: 1.32rem;
  max-width: 37rem;
  color: var(--sand);
  opacity: 0.92;
}
.hero__cta {
  margin-top: 2.6rem;
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.hero__cta a {
  border: none;
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sand);
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--rule);
  margin-right: 1.6rem;
}
.hero__cta a:hover { color: var(--accent); border-color: var(--accent); opacity: 1; }

/* ---------- section heading ---------- */
.section-head { margin-bottom: 2.6rem; }
.section-head h2 {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  margin-top: 0.5rem;
  color: var(--sand);
}
.editorial__rail > .eyebrow,
.section-head > .eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* ---------- research ---------- */
.lede {
  font-size: 1.15rem;
  max-width: 42rem;
  color: var(--sand);
  opacity: 0.95;
}
.lenses {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
@media (max-width: 620px) { .lenses { grid-template-columns: 1fr; } }
.lens {
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 1.6rem 1.5rem;
  background: rgba(242,239,230,0.03);
}
.lens .eyebrow { display: block; margin-bottom: 0.6rem; }
.lens p { margin: 0; font-size: 1.05rem; color: var(--sand-dim); }

.questions {
  margin-top: 3.4rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--rule);
}
.questions .eyebrow { display: block; margin-bottom: 1.2rem; }
.questions ol {
  margin: 0; padding: 0; list-style: none;
  display: grid; gap: 1.1rem;
}
.questions li {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  gap: 0.9rem;
  font-size: 1.08rem;
  color: var(--sand);
}
.questions li span {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  opacity: 0.85;
  padding-top: 0.15rem;
}

/* ---------- publications ---------- */
.pub-list { margin-top: 2.5rem; display: grid; gap: 1.9rem; }
.pub {
  padding-bottom: 1.9rem;
  border-bottom: 1px solid var(--rule);
}
.pub:last-child { border-bottom: none; }
.pub__meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
  display: flex;
  flex-wrap: wrap;
}
.pub__meta span { margin-right: 0.9rem; }
.pub__title {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--sand);
  line-height: 1.35;
}
.pub__authors {
  margin-top: 0.4rem;
  font-size: 0.92rem;
  color: var(--sand-dim);
}
.pub__link { margin-top: 0.55rem; font-size: 0.85rem; }

.pub-more {
  margin-top: 2.6rem;
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.pub-more a { border-bottom: 1px solid var(--rule); margin-right: 1.8rem; }

/* ---------- beyond (fieldwork / awards / service) ---------- */
.beyond-grid {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2.8rem;
}
.beyond-col { flex: 1 1 220px; min-width: 200px; }
.beyond-col > .eyebrow { display: block; margin-bottom: 1.2rem; }
.beyond-item {
  padding-bottom: 1.2rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--rule);
}
.beyond-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.beyond-item__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--sand);
  line-height: 1.35;
}
.beyond-item__meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-top: 0.3rem;
}
.beyond-item__sub {
  font-size: 0.88rem;
  color: var(--sand-dim);
  margin-top: 0.25rem;
  line-height: 1.4;
}
.beyond-item__link { margin-top: 0.5rem; font-size: 0.82rem; }

/* ---------- contact ---------- */
.zone--contact .section-head h2 { color: var(--sand); }
.contact-grid {
  margin-top: 2.6rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.4rem 2rem;
}
.contact-grid a {
  display: block;
  border: none;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--sand);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}
.contact-grid a:hover { color: var(--accent); opacity: 1; }
.contact-grid span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sand-dim);
  margin-bottom: 0.35rem;
}

.cv-button {
  margin-top: 3.2rem;
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.85rem 1.6rem;
  border-radius: 2px;
}
.cv-button:hover { background: var(--accent); color: var(--abyssal) !important; opacity: 1; }

footer {
  padding: 2.4rem 0 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--sand-dim);
  opacity: 0.6;
}

/* ---------- editorial two-column layout ---------- */
.editorial {
  display: flex;
  gap: 3.5rem;
  align-items: flex-start;
}
.editorial__rail {
  position: sticky;
  top: 6rem;
  flex: 0 0 220px;
}
.editorial__rail h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-top: 0.6rem;
  line-height: 1.2;
}
.editorial__body { flex: 1 1 auto; min-width: 0; }
.hook {
  font-family: var(--serif);
  font-size: 1.28rem;
  line-height: 1.5;
  font-weight: 500;
  color: var(--sand);
  margin: 0 0 1.6rem;
}
@media (max-width: 860px) {
  .editorial { flex-direction: column; gap: 1.6rem; }
  .editorial__rail { position: static; flex-basis: auto; }
}

/* ---------- depth gauge (fixed side rail) ---------- */
.depth-gauge {
  position: fixed;
  right: 2.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  z-index: 40;
}
.depth-gauge__track {
  position: relative;
  width: 1px;
  height: clamp(400px, 65vh, 640px);
  background: var(--rule);
}
.depth-gauge__tick {
  position: absolute;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
}
.depth-gauge__tick::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--sand-dim);
  opacity: 0.65;
  margin-right: 0.9rem;
}
.depth-gauge__tick i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--sand-dim);
  opacity: 0.75;
  white-space: nowrap;
}
.depth-gauge__dot {
  position: absolute;
  right: -6px;
  top: 0%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px 3px rgba(127,217,196,0.7);
  transition: top 0.15s linear;
}
@media (max-width: 1150px) {
  .depth-gauge { display: none; }
}
   Gated behind .js (added synchronously in <head>) so that if
   JavaScript fails to load or run, content is visible by default. */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}