/* =========================================================
   Robyn McClendon — Artaeomythologist
   Swiss / International Typographic Style
   ========================================================= */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }
img, picture { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ---------- Tokens ---------- */
:root {
  --paper:   #f4f3ee;
  --ink:     #111110;
  --red:     #d22f1f;
  --grey:    #6f6f68;
  --line:    #111110;
  --hairline: rgba(17,17,16,.18);

  --sans: "Helvetica Neue", Helvetica, Arial, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Menlo", "Roboto Mono", monospace;

  --gutter: clamp(16px, 3.2vw, 40px);
  --col: 12;

  --maxw: 1680px;

  --fs-meta: 11px;
}

/* ---------- Base ---------- */
html { font-size: 16px; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.32;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(var(--col), 1fr);
  column-gap: var(--gutter);
  row-gap: var(--gutter);
}

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

/* ---------- Type roles ---------- */
.meta {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.2;
}
.meta--grey { color: var(--grey); }
.red { color: var(--red); }

.display {
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: none;
}

.lead {
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 400;
}

.prose p {
  font-size: clamp(15px, 1.15vw, 18px);
  line-height: 1.5;
  max-width: 64ch;
  color: var(--ink);
}
.prose p + p { margin-top: 1.1em; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--gutter);
  padding: 12px var(--gutter);
}
.brand {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  gap: 1.2em;
  align-items: baseline;
}
.brand strong { font-weight: 700; }
.brand .dot { color: var(--red); }

.nav {
  display: flex;
  gap: clamp(12px, 1.6vw, 30px);
  align-items: baseline;
}
.nav a {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--red); }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(28px, 6vw, 90px) clamp(28px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
}
.hero__title {
  font-size: clamp(54px, 15.5vw, 260px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.045em;
}
.hero__title .row { display: block; }
.hero__meta-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: clamp(20px, 3vw, 48px);
}
.hero__statement {
  margin-top: clamp(24px, 4vw, 56px);
}

/* ---------- Index list (Swiss numbered rows) ---------- */
.index {
  border-top: 1px solid var(--line);
}
.index__row {
  display: grid;
  grid-template-columns: 5.5rem 1.4fr 2fr 3.5rem;
  align-items: baseline;
  gap: var(--gutter);
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
  transition: background .2s ease, padding-left .2s ease, color .2s ease;
}
.index__row:hover {
  background: var(--ink);
  color: var(--paper);
  padding-left: 12px;
}
.index__row:hover .index__no,
.index__row:hover .index__tag { color: var(--paper); }
.index__row:hover .index__arrow { color: var(--red); transform: translateX(4px); }
.index__no {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  color: var(--grey);
}
.index__title {
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.index__tag {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey);
  align-self: center;
}
.index__arrow {
  font-family: var(--mono);
  font-size: 16px;
  text-align: right;
  transition: transform .2s ease, color .2s ease;
}

/* ---------- Section heading ---------- */
.section {
  padding-block: clamp(48px, 8vw, 120px);
  border-bottom: 1px solid var(--line);
}
.section__head {
  display: grid;
  grid-template-columns: repeat(var(--col), 1fr);
  column-gap: var(--gutter);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 56px);
}
.section__no {
  grid-column: 1 / span 2;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
}
.section__title {
  grid-column: 1 / -1;
  font-size: clamp(40px, 8vw, 120px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-top: 6px;
}
.section__title .sub { color: var(--red); }

/* ---------- Figures / galleries ---------- */
figure { position: relative; }
.figure__cap {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.media {
  background: #e7e6e0;
  overflow: hidden;
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.2,.7,.2,1), filter .4s ease;
}
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 16 / 10; }
a.media:hover img,
figure:hover .media img { transform: scale(1.03); }

/* Masonry-ish gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--gutter);
}
.gallery--book {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

/* ---------- Work block (series with statement) ---------- */
.work {
  scroll-margin-top: 120px;
  padding-block: clamp(54px, 9vw, 130px);
  border-bottom: 1px solid var(--line);
}
.work__head {
  display: grid;
  grid-template-columns: repeat(var(--col), 1fr);
  column-gap: var(--gutter);
  row-gap: 18px;
  align-items: start;
}
.work__no {
  grid-column: 1 / span 2;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
}
.work__title {
  grid-column: 3 / -1;
  font-size: clamp(34px, 6.5vw, 96px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
}
.work__year {
  grid-column: 3 / -1;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
}
.work__statement {
  grid-column: 3 / span 7;
  margin-top: 6px;
}
@media (max-width: 860px) {
  .work__title, .work__year, .work__statement { grid-column: 1 / -1; }
  .work__no { grid-column: 1 / -1; }
}

/* ---------- Work layout (sticky index + sections) ---------- */
.work-layout {
  display: grid;
  grid-template-columns: 3fr 9fr;
  column-gap: var(--gutter);
  align-items: start;
}
.work-index {
  position: sticky;
  top: 64px;
  border-top: 1px solid var(--line);
}
.work-index a {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline);
  transition: color .2s ease, padding-left .2s ease;
}
.work-index a span:first-child {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  color: var(--grey);
}
.work-index a span:last-child {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.work-index a:hover { color: var(--red); padding-left: 6px; }
.work-index a[aria-current="true"] { color: var(--red); }
.work-index a[aria-current="true"] span:first-child { color: var(--red); }

.work-main .work:first-child { padding-top: 0; }
.work-main .work:last-child { border-bottom: 0; }

@media (max-width: 860px) {
  .work-layout { grid-template-columns: 1fr; }
  .work-index { display: none; }
}

/* ---------- Page hero (interior) ---------- */
.page-hero {
  padding-block: clamp(36px, 7vw, 100px) clamp(28px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}
.page-hero__title {
  font-size: clamp(52px, 13vw, 200px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.045em;
}
.page-hero__meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: clamp(18px, 3vw, 40px);
}

/* ---------- Buttons / links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 13px 20px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--red { background: var(--red); border-color: var(--red); color: var(--paper); }
.btn--red:hover { background: var(--ink); border-color: var(--ink); }

/* ---------- Forms ---------- */
.contact-form { border-top: 1px solid var(--line); }
.field {
  border-bottom: 1px solid var(--hairline);
  padding: 16px 0;
}
.field label { display: block; color: var(--grey); margin-bottom: 8px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: -0.01em;
  color: var(--ink);
  background: transparent;
  border: 0;
  padding: 2px 0;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: #aaa9a2; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; }
.field:focus-within { border-bottom-color: var(--red); }
.contact-form .btn { margin-top: clamp(20px, 3vw, 36px); }

/* ---------- Big number motif ---------- */
.bignum {
  font-size: clamp(120px, 30vw, 460px);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.05em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(48px, 8vw, 110px) 28px;
}
.site-footer ::selection { background: var(--paper); color: var(--ink); }
.footer__big {
  font-size: clamp(38px, 9vw, 150px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.footer__big a:hover { color: var(--red); }
.footer__cols {
  display: grid;
  grid-template-columns: repeat(var(--col), 1fr);
  column-gap: var(--gutter);
  row-gap: 28px;
  margin-top: clamp(40px, 6vw, 80px);
}
.footer__col { grid-column: span 3; }
.footer__col h4 {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8c8c84;
  margin-bottom: 12px;
}
.footer__col a, .footer__col p {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}
.footer__col a:hover { color: var(--red); }
.footer__base {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(40px, 6vw, 80px);
  padding-top: 16px;
  border-top: 1px solid rgba(244,243,238,.2);
}
.footer__base .meta { color: #8c8c84; }

@media (max-width: 860px) {
  .footer__col { grid-column: span 6; }
}

/* ---------- Utility ---------- */
.span-2 { grid-column-end: span 2; }
.span-3 { grid-column-end: span 3; }
.span-4 { grid-column-end: span 4; }
.span-5 { grid-column-end: span 5; }
.span-6 { grid-column-end: span 6; }
.span-7 { grid-column-end: span 7; }
.span-8 { grid-column-end: span 8; }
.span-12 { grid-column-end: span 12; }
.start-1 { grid-column-start: 1; }
.start-3 { grid-column-start: 3; }
.start-7 { grid-column-start: 7; }
.start-9 { grid-column-start: 9; }
.start-10 { grid-column-start: 10; }

.mt-s { margin-top: 16px; }
.mt-m { margin-top: clamp(24px,4vw,48px); }
.mt-l { margin-top: clamp(40px,7vw,96px); }

/* Reveal on scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .index__row { grid-template-columns: 3.5rem 1fr 2.5rem; }
  .index__tag { display: none; }
}

@media (max-width: 760px) {
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 360px);
    background: var(--ink);
    color: var(--paper);
    flex-direction: column;
    gap: 0;
    padding: 80px 28px;
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.2,.7,.2,1);
    z-index: 90;
  }
  .nav.is-open { transform: none; }
  .nav a {
    font-size: 22px;
    text-transform: uppercase;
    padding: 14px 0;
    border-bottom: 1px solid rgba(244,243,238,.16);
    letter-spacing: -0.01em;
  }
  .nav a::after { display: none; }
  .nav-toggle {
    display: inline-flex;
    font-family: var(--mono);
    font-size: var(--fs-meta);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    z-index: 95;
    mix-blend-mode: difference;
    color: #fff;
  }
  .footer__col { grid-column: span 12; }
  .span-2, .span-3, .span-4, .span-5, .span-6, .span-7, .span-8 { grid-column: 1 / -1; }
  .start-1, .start-3, .start-7, .start-9, .start-10 { grid-column-start: 1; }
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 2vw;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(17,17,16,.94);
}
.lightbox.is-open { display: flex; }
.lightbox__fig {
  max-width: 86vw;
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.lightbox__fig img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: #e7e6e0;
}
.lightbox figcaption { color: var(--paper); }
.lightbox__close {
  position: absolute;
  top: clamp(14px,3vw,32px);
  right: clamp(14px,3vw,32px);
  color: var(--paper);
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.lightbox__close:hover { color: var(--red); }
.lightbox__nav {
  color: var(--paper);
  font-size: 28px;
  padding: 12px;
  opacity: .7;
}
.lightbox__nav:hover { opacity: 1; color: var(--red); }
@media (max-width: 760px) {
  .lightbox__nav { position: absolute; bottom: 16px; }
  .lightbox__prev { left: 24px; }
  .lightbox__next { right: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}