/* ============================================================
   Makoto Kojima — portfolio
   Monochrome gallery type. Dark-green ink on near-white ground.
   Type: Helvetica-lineage system stack, matching the reference's
   Neue Haas Grotesk fallback chain (no web-font dependency).
   ============================================================ */

:root {
  --paper:   #fbfcf9;   /* near-white, faintest warm-green cast */
  --paper-2: #edf1ea;   /* faint green block tint  */
  --ink:     #1b3d2c;   /* the single accent — everything is this dark green */
  --ink-70:  rgba(27, 61, 44, 0.70);
  --ink-45:  rgba(27, 61, 44, 0.45);
  --ink-18:  rgba(27, 61, 44, 0.18);
  --hair:    rgba(27, 61, 44, 0.55);

  --pad: clamp(20px, 4.2vw, 58px);
  --gap: clamp(28px, 4vw, 64px);

  /* masthead rhythm — one gap unit, one symmetric vertical unit */
  --nav-gap:  clamp(26px, 3.1vw, 40px);   /* equal edge-to-edge, ~40px at desktop */
  --mast-y:   clamp(20px, 2.1vw, 28px);   /* equal space above & below every rule */

  --fs-body: clamp(16px, 0.62vw + 14.4px, 20px);
  --fs-lede: clamp(21px, 1.3vw + 17px, 33px);
  --fs-disp: clamp(40px, 7vw + 8px, 118px);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, "Liberation Sans", Arial, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.34;
  font-weight: 400;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--paper); }

a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration: underline; }

/* visible keyboard focus for a link-heavy layout */
a:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  text-decoration: none;
}

em, i { font-style: italic; }

img, svg { display: block; max-width: 100%; }

/* ---- shell ------------------------------------------------ */

.wrap { padding: 0 var(--pad); }

.rule {
  border: 0;
  border-top: 1px solid var(--hair);
  margin: 0;
}

/* ---- masthead --------------------------------------------- */

.mast {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  padding-top: var(--mast-y);
}

.mast__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px var(--nav-gap);
  padding-bottom: var(--mast-y);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px var(--nav-gap);
  font-weight: 400;
}
.nav a[aria-current="page"] { text-decoration: underline; }

.wordmark {
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  font-size: clamp(17px, 0.5vw + 15px, 22px);
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px var(--nav-gap);
  padding: var(--mast-y) 0;
  font-weight: 400;
  color: var(--ink);
}
.subnav a[aria-current="true"],
.subnav a:hover { text-decoration: underline; }

/* ---- generic sections ------------------------------------- */

main { padding-top: clamp(38px, 5vw, 78px); }

.section-label {
  font-weight: 600;
  font-size: var(--fs-body);
  margin: 0 0 clamp(20px, 2.4vw, 34px);
}

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

.hero {
  padding-bottom: clamp(46px, 6vw, 96px);
}
.hero__name {
  font-size: var(--fs-disp);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0 0 clamp(22px, 3vw, 40px);
  max-width: 15ch;
}
.hero__lede {
  font-size: var(--fs-lede);
  line-height: 1.24;
  font-weight: 400;
  max-width: 24ch;
  letter-spacing: -0.005em;
  margin: 0;
}
.hero__meta {
  margin-top: clamp(26px, 3vw, 44px);
  color: var(--ink-70);
  max-width: 42ch;
}

/* ---- "On view" featured lead (homepage) ------------------- */

.feature { padding: clamp(30px,3.4vw,52px) 0 clamp(46px,6vw,96px); }
.feature__media {
  background: var(--paper-2);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.feature__media img,
.feature__media svg {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 62%;
  transition: transform 0.8s cubic-bezier(.2,.7,.2,1);
}
@media (max-width: 720px) { .feature__media { aspect-ratio: 4 / 3; } }
.feature:hover .feature__media img { transform: scale(1.015); }
.feature__cap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px 40px;
  flex-wrap: wrap;
  margin-top: clamp(14px, 1.6vw, 22px);
}
.feature__cap .t { font-style: italic; }
.feature__cap .m { color: var(--ink-70); }
.feature__cap .m a { text-decoration: underline; }

/* ---- exhibition rows (image left / text right) ------------ */

.row {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--gap);
  padding: clamp(34px, 4vw, 60px) 0;
  align-items: start;
}
.row + .row { border-top: 1px solid var(--hair); }

.row__media { align-self: start; }
.row__media img,
.row__media svg { width: 100%; height: auto; }

.row__body { padding-top: 2px; }
.row__artist { font-weight: 600; margin: 0 0 0.15em; }
.row__title  { font-style: italic; margin: 0; }
.row__meta   { color: var(--ink-70); margin: 0.15em 0 0; }
.row__text {
  margin: clamp(16px, 1.6vw, 24px) 0 0;
  max-width: 46ch;
  color: var(--ink);
}
.row__cta { margin-top: clamp(16px, 1.6vw, 22px); font-weight: 500; }
.row__cta a { text-decoration: underline; }

/* ---- works grid ------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: clamp(28px, 3vw, 52px) var(--gap);
}
.work { display: block; }
.work__frame {
  background: var(--paper-2);
  overflow: hidden;
}
.work__frame img,
.work__frame svg { width: 100%; height: auto; transition: transform 0.7s cubic-bezier(.2,.7,.2,1); }
.work:hover .work__frame img,
.work:hover .work__frame svg { transform: scale(1.025); }

.work__cap { margin-top: 0.75em; }
.work__cap .t { font-style: italic; }
.work__cap .m { color: var(--ink-70); }

/* ---- prose (about) ---------------------------------------- */

.prose {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
}
.prose > .col p { max-width: 52ch; margin: 0 0 1.15em; }
.prose > .col p:last-child { margin-bottom: 0; }
.prose .lede {
  font-size: var(--fs-lede);
  line-height: 1.24;
  letter-spacing: -0.005em;
  max-width: 22ch;
}

.cv { margin-top: clamp(52px, 6vw, 104px); }
.cv__group { padding: clamp(22px, 2.4vw, 34px) 0; border-top: 1px solid var(--hair); }
.cv__group h3 {
  font-size: var(--fs-body);
  font-weight: 600;
  margin: 0;
}
.cv__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5em;
}
.cv__item {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 1.2em;
  color: var(--ink);
}
.cv__item .yr { color: var(--ink-70); font-variant-numeric: tabular-nums; }
.cv__item em { font-style: italic; }

@media (min-width: 760px) {
  .cv__group { grid-template-columns: 16ch minmax(0, 1fr); display: grid; gap: var(--gap); }
  .cv__group h3 { grid-column: 1; }
  .cv__list { grid-column: 2; }
}

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

.foot {
  margin-top: clamp(72px, 9vw, 150px);
  padding: clamp(30px, 3.4vw, 48px) 0 clamp(44px, 5vw, 72px);
  border-top: 1px solid var(--hair);
}
.foot__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(22px, 3vw, 48px);
  align-items: start;
}
.foot h4 { font-weight: 600; margin: 0 0 0.7em; font-size: var(--fs-body); }
.foot p, .foot a { color: var(--ink-70); margin: 0 0 0.35em; }
.foot a:hover { color: var(--ink); }
.foot__mark { font-weight: 700; letter-spacing: -0.01em; color: var(--ink); }
.foot__legal { margin-top: clamp(28px, 3vw, 46px); color: var(--ink-45); }

/* ---- responsive ------------------------------------------- */

@media (max-width: 720px) {
  .row { grid-template-columns: 1fr; gap: 22px; }
  .prose { grid-template-columns: 1fr; }
  .hero__name { max-width: 100%; }
  .cv__item { grid-template-columns: 4.2em minmax(0, 1fr); gap: 0.9em; }
}

@media (max-width: 560px) {
  .mast__row { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* honor the OS "reduce motion" setting */
@media (prefers-reduced-motion: reduce) {
  .work__frame img,
  .work__frame svg,
  .feature__media img,
  .feature__media svg { transition: none; }
  .work:hover .work__frame img,
  .work:hover .work__frame svg,
  .feature:hover .feature__media img { transform: none; }
}