/* =========================================================================
   NOMADIC — a clean, minimal photography theme for Grav CMS
   Tonal chrome by design: the only colour on the page is the photography.
   ========================================================================= */

/* ---- Tokens ------------------------------------------------------------ */
:root {
  --paper:    #FAFAF8;   /* barely-warm gallery white */
  --mount:    #FFFFFF;   /* image mounts */
  --ink:      #17150F;   /* near-black, faintly warm */
  --ink-soft: #3A352C;
  --stone:    #8C867A;   /* metadata / captions */
  --stone-dim:#B4AFA4;
  --hairline: #E6E2D9;   /* faint rules */
  --hairline-2:#F0EDE6;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --measure: 62ch;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --rail: clamp(0rem, 6vw, 5.5rem);      /* left margin rail width */
  --maxw: 1500px;

  --step--1: clamp(0.78rem, 0.74rem + 0.2vw, 0.86rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.6rem, 1.35rem + 1.2vw, 2.4rem);
  --step-3:  clamp(2.1rem, 1.6rem + 2.4vw, 3.6rem);
  --step-4:  clamp(2.8rem, 1.9rem + 4.4vw, 5.5rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --reveal-dur: 760ms;
}

/* ---- Reset / base ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: 400; line-height: 1.08; margin: 0; }
p { margin: 0 0 1.25em; }
::selection { background: var(--ink); color: var(--paper); }

/* ---- Display / heading type ------------------------------------------- */
.display {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 380;
  letter-spacing: -0.012em;
}
h1.display { font-size: var(--step-4); }
h2.display { font-size: var(--step-3); }
h3.display { font-size: var(--step-2); }

/* ---- Mono utility / labels -------------------------------------------- */
.label, .meta, .eyebrow {
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  font-weight: 400;
}

/* ---- Skip link --------------------------------------------------------- */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; font-family: var(--mono); font-size: 0.8rem; z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ---- Shell / layout ---------------------------------------------------- */
.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.frame {                       /* content gets a left rail on wide screens */
  padding-left: var(--rail);
  position: relative;
}

/* ---- Marginal running index ------------------------------------------- */
.rail-index {
  position: absolute;
  left: 0; top: 0;
  width: var(--rail);
  height: 100%;
  pointer-events: none;
}
.rail-index span {
  position: sticky;
  top: 42vh;
  display: block;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--stone-dim);
  white-space: nowrap;
}
@media (max-width: 880px) {
  .frame { padding-left: 0; }
  .rail-index { display: none; }
}

/* ---- Header / nav ------------------------------------------------------ */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease);
}
.site-head.is-scrolled { border-bottom-color: var(--hairline); }
.site-head .shell {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-top: 1.4rem; padding-bottom: 1.4rem; gap: 1rem;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 420;
  font-size: 1.16rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.wordmark small {
  font-family: var(--mono);
  font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--stone); display: block; margin-top: 0.2rem; font-weight: 400;
}
.nav { display: flex; gap: clamp(1rem, 2.4vw, 2.4rem); align-items: baseline; }
.nav a {
  font-family: var(--mono);
  font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); position: relative; padding-bottom: 2px;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 100%;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav a:hover::after, .nav a:focus-visible::after, .nav a[aria-current]::after { transform: scaleX(1); }
.nav-toggle { display: none; }

@media (max-width: 620px) {
  .site-head .shell { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
  .nav { flex-wrap: wrap; gap: 1rem 1.4rem; }
}

/* ---- Lead plate (hero) ------------------------------------------------- */
.lead {
  margin-top: clamp(1.5rem, 4vw, 3rem);
}
.lead-figure {
  position: relative;
  overflow: hidden;
  background: var(--mount);
}
.lead-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.lead-cap {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 0.85rem;
}
.lead-intro {
  margin: clamp(2.6rem, 7vw, 5rem) 0 clamp(3rem, 8vw, 6rem);
  max-width: 46ch;
}
.lead-intro .eyebrow { display: block; margin-bottom: 1.4rem; }
.lead-intro p {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 360;
  font-size: var(--step-2);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* ---- Plate grid -------------------------------------------------------- */
.plates {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: clamp(1rem, 2.5vw, 2.4rem);
  row-gap: clamp(3rem, 7vw, 6rem);
  align-items: start;
}
.plate { grid-column: span 6; }
.plate--wide { grid-column: span 7; }
.plate--narrow { grid-column: span 5; }
.plate--full { grid-column: 1 / -1; }
.plate--offset { margin-top: clamp(2rem, 6vw, 5rem); }

.plate-figure {
  position: relative;
  overflow: hidden;
  background: var(--mount);
}
.plate-figure img {
  width: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.plate--portrait .plate-figure img { aspect-ratio: 4 / 5; }
.plate--landscape .plate-figure img { aspect-ratio: 3 / 2; }
.plate--full .plate-figure img { aspect-ratio: 21 / 9; }
.plate a:hover .plate-figure img,
.plate a:focus-visible .plate-figure img { transform: scale(1.035); }

.plate-cap {
  display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  margin-top: 0.85rem;
}
.plate-cap .seq { color: var(--ink); }
.plate-cap .ttl {
  font-family: var(--serif); font-size: var(--step-1); font-weight: 380;
  letter-spacing: -0.01em; color: var(--ink); margin-right: auto;
}
.plate-cap .meta { white-space: nowrap; }

@media (max-width: 880px) {
  .plate, .plate--wide, .plate--narrow { grid-column: 1 / -1; }
  .plate--offset { margin-top: 0; }
}

/* ---- Section heads ----------------------------------------------------- */
.section {
  margin: clamp(4rem, 11vw, 9rem) 0;
}
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--hairline);
  padding-top: 1.2rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-head h2 { flex: 1 1 auto; }
.section-head .meta { white-space: nowrap; }

/* ---- Single photo / project page -------------------------------------- */
.photo {
  margin-top: clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.photo-figure { overflow: hidden; background: var(--mount); }
.photo-figure img { width: 100%; }
.photo-aside { position: sticky; top: 7rem; }
.photo-aside .display { margin-bottom: 1rem; }
.photo-aside .lede {
  font-family: var(--serif); font-size: var(--step-1); line-height: 1.4;
  font-weight: 360; margin-bottom: 1.6rem;
}
.spec {
  border-top: 1px solid var(--hairline);
  display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1.2rem;
  padding-top: 1.2rem; margin-top: 1.4rem;
}
.spec dt { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--stone); }
.spec dd { margin: 0; font-size: 0.92rem; }
@media (max-width: 880px) {
  .photo { grid-template-columns: 1fr; }
  .photo-aside { position: static; }
}

/* ---- Prose (about, journal posts) ------------------------------------- */
.prose { max-width: var(--measure); margin-top: clamp(1.5rem, 4vw, 3rem); }
.prose h2.display { font-size: var(--step-2); margin: 2.2rem 0 0.8rem; }
.prose h3 { font-family: var(--serif); font-size: var(--step-1); font-weight: 400;
  margin: 1.8rem 0 0.6rem; }
.prose p { color: var(--ink-soft); }
.prose a { box-shadow: inset 0 -1px 0 var(--stone-dim); transition: box-shadow 0.3s var(--ease); }
.prose a:hover { box-shadow: inset 0 -1px 0 var(--ink); }
.prose blockquote {
  margin: 1.8rem 0; padding-left: 1.4rem; border-left: 2px solid var(--hairline);
  font-family: var(--serif); font-size: var(--step-1); font-style: italic; color: var(--ink);
}
.prose img { margin: 2rem 0; }

/* ---- Journal list ------------------------------------------------------ */
.journal { display: grid; gap: 0; margin-top: clamp(1.5rem, 4vw, 3rem); }
.entry {
  display: grid; grid-template-columns: max-content 1fr; gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(1.6rem, 4vw, 2.6rem) 0;
  border-top: 1px solid var(--hairline); align-items: baseline;
}
.entry:last-child { border-bottom: 1px solid var(--hairline); }
.entry .when { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em;
  color: var(--stone); text-transform: uppercase; padding-top: 0.5rem; }
.entry h3 {
  font-family: var(--serif); font-size: var(--step-2); font-weight: 380;
  letter-spacing: -0.01em; transition: opacity 0.3s var(--ease);
}
.entry .dek { color: var(--ink-soft); margin-top: 0.5rem; max-width: 56ch; }
.entry a:hover h3 { opacity: 0.55; }
@media (max-width: 620px) {
  .entry { grid-template-columns: 1fr; gap: 0.6rem; }
  .entry .when { padding-top: 0; }
}

/* ---- Page title block -------------------------------------------------- */
.page-head {
  margin: clamp(2rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3.5rem);
}
.page-head .eyebrow { display: block; margin-bottom: 1.1rem; }

/* ---- Footer ------------------------------------------------------------ */
.site-foot {
  border-top: 1px solid var(--hairline);
  margin-top: clamp(4rem, 10vw, 8rem);
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
}
.site-foot .shell {
  display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end;
}
.site-foot .colophon { max-width: 40ch; }
.site-foot .colophon .display { font-size: var(--step-1); margin-bottom: 0.6rem; }
.site-foot .colophon p { color: var(--stone); font-size: 0.9rem; margin: 0; }
.foot-nav { display: flex; gap: 1.4rem; flex-wrap: wrap; justify-content: flex-end; }
.foot-nav a { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--stone); }
.foot-nav a:hover { color: var(--ink); }
.foot-base {
  margin-top: clamp(2rem, 5vw, 3rem); display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 0.6rem;
}
.foot-base .meta { color: var(--stone-dim); }
@media (max-width: 620px) {
  .site-foot .shell { grid-template-columns: 1fr; }
  .foot-nav { justify-content: flex-start; }
}

/* ---- Scroll reveal ----------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition:
  opacity var(--reveal-dur) var(--ease), transform var(--reveal-dur) var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---- Focus / reduced motion ------------------------------------------- */
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  .plate a:hover .plate-figure img { transform: none; }
}