/* =========================================================
   PORTFOLIO — shared stylesheet
   Editorial restraint (Tammeva/Karmir) × typographic stacks
   (Shibaki) × technical overlay (NERV).
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=JetBrains+Mono:wght@300;400;500&display=swap');

:root {
  /* Surface */
  --paper:   #0a0907;
  --paper-2: #141210;
  --ink:     #f1ebd9;
  --ink-2:   #b8ad97;
  --ink-3:   #6b6257;
  --rule:    #f1ebd91f;

  /* Accent (NERV) */
  --amber:        #ff6b1a;
  --amber-dim:    #c2501266;

  /* Type */
  --serif: 'EB Garamond', 'Times New Roman', Georgia, serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Rhythm */
  --edge:   clamp(20px, 3.5vw, 48px);
  --rail:   56px;   /* width of the left metadata rail */
  --line:   1px;
}

/* Dark / NERV mode --------------------------------------- */
[data-theme="nerv"] {
  --paper:   #0a0907;
  --paper-2: #141210;
  --ink:     #f1ebd9;
  --ink-2:   #b8ad97;
  --ink-3:   #6b6257;
  --rule:    #f1ebd91f;
}

/* Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

/* Base --------------------------------------------------- */
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern", "liga", "onum";
  overflow-x: hidden;
  transition: background-color 240ms ease, color 240ms ease;
}

/* Subtle paper grain — a flat SVG noise so there's texture
   without shouting. Removed in nerv mode. */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
[data-theme="nerv"] body::before { opacity: .22; mix-blend-mode: screen; }

/* =========================================================
   Shell — header, rail, footer
   ========================================================= */

.shell {
  position: relative;
  min-height: 100vh;
  padding-left: var(--rail);
}

/* Left metadata rail — NERV-style vertical readout */
.rail {
  position: fixed;
  top: 0; bottom: 0; left: 0;
  width: var(--rail);
  border-right: var(--line) solid var(--rule);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  background: var(--paper);
}
.rail__mark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--amber);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-transform: uppercase;
}
.rail__axis {
  flex: 1;
  width: 1px;
  background: var(--rule);
  margin: 18px 0;
  position: relative;
}
.rail__axis::before,
.rail__axis::after {
  content: "";
  position: absolute;
  left: -3px;
  width: 7px; height: 1px;
  background: var(--ink-3);
}
.rail__axis::before { top: 25%; }
.rail__axis::after  { top: 75%; }
.rail__stamp {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .15em;
  color: var(--ink-3);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

/* Header */
.nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px var(--edge) 18px;
  border-bottom: var(--line) solid var(--rule);
  position: relative;
  z-index: 5;
}
.nav__brand {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .01em;
}
.nav__brand em { font-style: italic; color: var(--ink-2); font-weight: 400; }
.nav__links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.nav__links a { position: relative; padding: 2px 0; }
.nav__links a::before {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width 220ms ease;
}
.nav__links a:hover::before,
.nav__links a[aria-current="page"]::before { width: 100%; }
.nav__links a[aria-current="page"] { color: var(--ink); }

/* Theme toggle */
.theme-toggle {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 4px 8px;
  border: 1px solid var(--rule);
  transition: color 160ms ease, border-color 160ms ease;
}
.theme-toggle:hover { color: var(--amber); border-color: var(--amber-dim); }

/* Footer */
.foot {
  margin-top: 120px;
  padding: 28px var(--edge);
  border-top: var(--line) solid var(--rule);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.foot__center { text-align: center; color: var(--ink-2); }
.foot__right  { text-align: right; }

/* =========================================================
   Corner brackets — NERV framing for hero / key blocks
   ========================================================= */
.brackets {
  position: relative;
}
.brackets::before,
.brackets::after,
.brackets > .br-bl,
.brackets > .br-br {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--amber);
  border-style: solid;
  border-width: 0;
}
.brackets::before { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
.brackets::after  { top: 0; right: 0; border-top-width: 1px; border-right-width: 1px; }
.brackets > .br-bl { bottom: 0; left: 0; border-bottom-width: 1px; border-left-width: 1px; }
.brackets > .br-br { bottom: 0; right: 0; border-bottom-width: 1px; border-right-width: 1px; }

/* =========================================================
   Typographic primitives
   ========================================================= */
.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow--amber { color: var(--amber); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  margin: 0;
  line-height: 1.02;
  letter-spacing: -.01em;
}

.display {
  font-size: clamp(56px, 11vw, 168px);
  font-weight: 400;
  line-height: .92;
  letter-spacing: -.025em;
}
.display em {
  font-style: italic;
  color: var(--ink-2);
  font-weight: 400;
}

.section-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 400;
}

/* Hairline rule with a label baked in — very Shibaki */
.rule {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 48px 0 28px;
}
.rule__line { flex: 1; height: 1px; background: var(--rule); }
.rule__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* =========================================================
   HOME — hero stack
   ========================================================= */

.hero {
  padding: clamp(48px, 8vw, 96px) var(--edge) 0;
  position: relative;
}
.hero__meta {
  display: grid;
  grid-template-columns: auto auto auto 1fr auto;
  gap: 28px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(36px, 6vw, 72px);
}
.hero__meta b { color: var(--ink); font-weight: 500; }
.hero__meta .dot { color: var(--amber); }

.hero__title {
  position: relative;
}
.hero__title .line { display: block; }
.hero__title .line--indent { padding-left: clamp(40px, 12vw, 220px); }

/* The tight mono stack beside the display type — the Shibaki move */
.hero__aside {
  position: absolute;
  right: var(--edge);
  top: 0;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.9;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: right;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
}
.hero__aside span { color: var(--amber); }

.hero__caption {
  margin-top: clamp(40px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 5vw, 96px);
  align-items: end;
}
.hero__caption p {
  font-size: 18px;
  line-height: 1.55;
  max-width: 52ch;
  color: var(--ink-2);
  margin: 0;
}
.hero__caption p:first-of-type::first-line {
  font-variant: small-caps;
  letter-spacing: .1em;
  color: var(--ink);
}

/* =========================================================
   HOME — featured photo grid
   ========================================================= */

.work {
  padding: clamp(64px, 10vw, 140px) var(--edge) 0;
}
.work__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 48px;
  gap: 32px;
  flex-wrap: wrap;
}
.work__head h2 { max-width: 14ch; }
.work__head .eyebrow { white-space: nowrap; }

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(40px, auto);
  gap: clamp(14px, 2vw, 28px);
}
.tile {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 4 / 5;
}
.tile > img,
.tile > .placeholder {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.tile:hover > img,
.tile:hover > .placeholder { transform: scale(1.03); }

/* Placeholder treatment — graphic fill when no image loaded */
.placeholder {
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--ink-3);
  text-transform: uppercase;
  background:
    linear-gradient(135deg, transparent 49.5%, var(--ink-3) 49.5% 50.5%, transparent 50.5%),
    linear-gradient(45deg,  transparent 49.5%, var(--ink-3) 49.5% 50.5%, transparent 50.5%),
    var(--paper-2);
  opacity: .85;
}

/* Tile metadata — bottom caption strip */
.tile__meta {
  position: absolute;
  left: 10px; right: 10px; bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--paper);
  mix-blend-mode: difference;
  pointer-events: none;
}
.tile__meta .idx { color: var(--amber); }

/* Grid placements — intentional irregularity */
.tile--a { grid-column: 1 / span 5;  aspect-ratio: 4 / 5; }
.tile--b { grid-column: 7 / span 4;  aspect-ratio: 3 / 4; margin-top: clamp(40px, 6vw, 88px); }
.tile--c { grid-column: 2 / span 4;  aspect-ratio: 1 / 1; margin-top: clamp(40px, 6vw, 88px); }
.tile--d { grid-column: 6 / span 6;  aspect-ratio: 16 / 10; }
.tile--e { grid-column: 1 / span 6;  aspect-ratio: 3 / 2; margin-top: clamp(24px, 4vw, 56px); }
.tile--f { grid-column: 8 / span 4;  aspect-ratio: 3 / 4; }

/* =========================================================
   HOME — writing excerpts
   ========================================================= */

.writing-teasers {
  padding: clamp(64px, 10vw, 140px) var(--edge) 0;
}
.teasers {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(20px, 3vw, 48px);
  row-gap: clamp(28px, 4vw, 56px);
}
.teaser {
  grid-column: span 6;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
.teaser__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--amber);
}
.teaser__title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.15;
  margin: 0 0 10px;
}
.teaser__title em { font-style: italic; color: var(--ink-2); }
.teaser__excerpt {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0 0 14px;
  max-width: 48ch;
}
.teaser__foot {
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.teaser__foot a { color: var(--amber); }

/* =========================================================
   PHOTOGRAPHY page
   ========================================================= */

.page-head {
  padding: clamp(48px, 8vw, 96px) var(--edge) 40px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}
.page-head h1 { font-size: clamp(48px, 8vw, 112px); }
.page-head h1 em { font-style: italic; color: var(--ink-2); }
.page-head__meta {
  text-align: right;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 2;
}
.page-head__meta b { color: var(--amber); font-weight: 500; }

.filters {
  padding: 20px var(--edge);
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}
.filters button { position: relative; padding: 4px 0; color: var(--ink-3); }
.filters button.is-active { color: var(--ink); }
.filters button.is-active::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px; background: var(--amber);
}

.photo-grid {
  padding: clamp(32px, 5vw, 56px) var(--edge) 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2vw, 28px);
}
.photo-grid .tile {
  grid-column: span 4;
  aspect-ratio: 3 / 4;
}
.photo-grid .tile:nth-child(7n+1) { grid-column: span 6; aspect-ratio: 4 / 5; }
.photo-grid .tile:nth-child(7n+4) { grid-column: span 8; aspect-ratio: 16 / 10; }
.photo-grid .tile:nth-child(7n+5) { grid-column: span 4; aspect-ratio: 1 / 1; }

/* =========================================================
   WRITING page — table of contents
   ========================================================= */

.toc {
  padding: clamp(32px, 5vw, 72px) var(--edge) 0;
}
.toc__row {
  display: grid;
  grid-template-columns: 56px 1fr 140px 120px 140px;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  position: relative;
  transition: padding 260ms ease;
}
.toc__row:hover { padding-left: 16px; }
.toc__row:hover::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
}
.toc__num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: .18em;
}
.toc__title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.15;
}
.toc__title em { font-style: italic; color: var(--ink-2); }
.toc__meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* =========================================================
   ABOUT page
   ========================================================= */

.about {
  padding: clamp(48px, 8vw, 120px) var(--edge) 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 4vw, 64px);
}
.about__lede {
  grid-column: 1 / span 8;
}
.about__lede h1 {
  font-size: clamp(36px, 5.5vw, 72px);
  margin-bottom: 32px;
  max-width: 20ch;
}
.about__lede h1 em { font-style: italic; color: var(--ink-2); }
.about__lede p {
  font-size: 20px;
  line-height: 1.5;
  max-width: 54ch;
  color: var(--ink-2);
  margin: 0 0 20px;
}
.about__lede p:first-of-type::first-letter {
  font-family: var(--serif);
  float: left;
  font-size: 5.5em;
  line-height: .88;
  padding: 4px 10px 0 0;
  font-style: italic;
  color: var(--amber);
}

.about__side {
  grid-column: 10 / span 3;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  line-height: 2;
  color: var(--ink-2);
  text-transform: uppercase;
  padding-top: 8px;
  position: relative;
}
.about__side::before {
  content: "";
  position: absolute;
  top: 0; left: -24px; bottom: 0;
  width: 1px; background: var(--rule);
}
.about__side dt { color: var(--ink-3); margin-top: 18px; }
.about__side dt:first-child { margin-top: 0; }
.about__side dd { margin: 0; color: var(--ink); }
.about__side dd a:hover { color: var(--amber); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 860px) {
  :root { --rail: 32px; }
  .rail__mark, .rail__stamp { font-size: 8px; }

  .nav { flex-direction: column; align-items: flex-start; gap: 14px; padding-bottom: 14px; }
  .nav__links { gap: 20px; font-size: 10px; }

  .hero__aside { display: none; }
  .hero__meta { grid-template-columns: 1fr 1fr; gap: 14px; font-size: 9px; }
  .hero__meta > :nth-child(n+4) { display: none; }
  .hero__caption { grid-template-columns: 1fr; }

  .hero__title .line--indent { padding-left: 0; }

  .tile--a, .tile--b, .tile--c, .tile--d, .tile--e, .tile--f {
    grid-column: 1 / -1; margin-top: 0;
  }
  .photo-grid .tile,
  .photo-grid .tile:nth-child(7n+1),
  .photo-grid .tile:nth-child(7n+4),
  .photo-grid .tile:nth-child(7n+5) { grid-column: 1 / -1; }

  .teaser { grid-column: 1 / -1; }

  .page-head { grid-template-columns: 1fr; }
  .page-head__meta { text-align: left; }

  .toc__row { grid-template-columns: 36px 1fr; row-gap: 4px; }
  .toc__meta { grid-column: 2; }

  .about__lede, .about__side { grid-column: 1 / -1; }
  .about__side::before { display: none; }
}

/* =========================================================
   Page-load choreography — one orchestrated reveal
   ========================================================= */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade {
  from { opacity: 0; } to { opacity: 1; }
}
.reveal { animation: rise 900ms cubic-bezier(.2,.7,.2,1) both; }
.reveal-1 { animation-delay: 40ms; }
.reveal-2 { animation-delay: 140ms; }
.reveal-3 { animation-delay: 260ms; }
.reveal-4 { animation-delay: 380ms; }
.reveal-5 { animation-delay: 520ms; }

.rail, .nav, .foot { animation: fade 600ms ease both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}