/* ================================================================
   MICHAEL SHIN — PORTFOLIO
   Design concept: "Drafting Table"
   Paper, ink, one signal-orange accent. Grid discipline, big type.
   ================================================================ */

:root {
  --paper: #f6f5f1;
  --ink: #111110;
  --accent: #ff4d00;
  --line: rgba(17, 17, 16, 0.18);
  --line-strong: rgba(17, 17, 16, 0.55);
  --sans: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --max: 1440px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------------- Typography helpers ---------------- */

.label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.75;
}

.acc { color: var(--accent); }

/* Editable placeholder marker — flags [content you still need to fill] */
.todo {
  background: rgba(255, 77, 0, 0.14);
  border-radius: 2px;
  padding: 0 0.2em;
}

/* ---------------- Header / nav ---------------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 245, 241, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.wordmark {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.wordmark:hover { color: var(--accent); }

.site-nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.5rem);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav a { position: relative; padding: 0.25rem 0; }

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

/* ---------------- Hero ---------------- */

.hero {
  padding-top: clamp(4rem, 10vw, 8.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.hero .label { margin-bottom: 1.5rem; }

.hero h1 {
  font-size: clamp(2.75rem, 8.5vw, 7.5rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 0.98;
  max-width: 18ch;
}

.hero .lede {
  margin-top: 2rem;
  max-width: 56ch;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.6;
}

.hero-ctas { margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--ink);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { background: var(--ink); color: var(--paper); }

.btn.solid { background: var(--ink); color: var(--paper); }

.btn.solid:hover { background: var(--accent); border-color: var(--accent); }

/* ---------------- Sub-hero status strip ---------------- */

.status-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
  line-height: 1.8;
}

/* ---------------- Section scaffolding ---------------- */

section { padding: clamp(3.5rem, 8vw, 7rem) 0; }

.sec-head {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.sec-head h2 {
  font-size: clamp(1.8rem, 4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.sec-intro { max-width: 60ch; font-size: 1.15rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }

/* ---------------- Work grid (homepage) ---------------- */

.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.card { display: block; }

.card .ph { transition: transform 0.35s ease; }

.card:hover .ph { transform: translateY(-4px); }

.card-meta { margin-top: 1rem; }

.card-meta .label { display: block; margin-bottom: 0.4rem; }

.card-meta h3 {
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.card:hover h3 { color: var(--accent); }

.card-meta p { margin-top: 0.35rem; opacity: 0.8; max-width: 44ch; }

/* Featured full-width card (leads the work grid) */
.card-wide { grid-column: 1 / -1; }

/* ---------------- Architecture index (accordion) ----------------
   One project open at a time; clicking a row opens it and closes
   the rest. Fish Market is open on load.                          */

.arch-item { border-top: 1px solid var(--line); }

.arch-item:last-of-type { border-bottom: 1px solid var(--line); }

.arch-head { margin: 0; }

.arch-toggle {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.4rem, 3vw, 2rem) 0;
}

.arch-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.arch-title {
  display: block;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 750;
  letter-spacing: -0.025em;
  line-height: 1.1;
  transition: color 0.2s ease;
}

.arch-toggle:hover .arch-title { color: var(--accent); }

.arch-meta {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-top: 0.55rem;
}

.arch-icon {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  transition: transform 0.3s ease;
}

.arch-item.open .arch-icon { transform: rotate(45deg); }

.arch-body { display: none; padding: 0.25rem 0 clamp(2.25rem, 4vw, 3.25rem); }

.arch-item.open .arch-body { display: block; }

.arch-body > p { max-width: 62ch; opacity: 0.9; margin-bottom: clamp(1.5rem, 3vw, 2rem); }

.arch-body .ws-media { margin-top: 1.25rem; }

/* Coursework archive strip */
.arch-courses {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.arch-courses > div {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 1.25rem 2rem;
}

.arch-courses .label { display: block; margin-bottom: 1rem; color: var(--accent); opacity: 1; }

.arch-courses h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.01em; }

.arch-courses p { margin-top: 0.4rem; font-size: 0.85rem; opacity: 0.7; }

/* ---------------- Award callout ---------------- */

.award {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.award-panel { border-top: 3px solid var(--accent); padding-top: 1.5rem; }

.award-panel .label { display: block; color: var(--accent); opacity: 1; margin-bottom: 0.9rem; }

.award-panel h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.award-panel .award-org {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.55;
}

.award-panel .award-note { margin-top: 1rem; font-size: 0.9rem; opacity: 0.7; }

/* ---------------- Image placeholder ("drafting frame") ----------------
   Swap each .ph for a real <img> when assets are ready.               */

.ph {
  position: relative;
  aspect-ratio: var(--ar, 16 / 10);
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(
      -45deg,
      transparent 0 14px,
      rgba(17, 17, 16, 0.05) 14px 15px
    );
  display: grid;
  place-items: center;
  overflow: hidden;
}

.ph > span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.5rem 0.9rem;
  text-align: center;
  max-width: 80%;
}

/* corner ticks */
.ph::before,
.ph::after {
  content: "";
  position: absolute;
  z-index: 1;
  width: 14px; height: 14px;
  border-color: var(--accent);
  border-style: solid;
}

.ph::before { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.ph::after { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }

/* Real image inside a drafting frame: keep the border and corner ticks,
   drop the hatch fill and placeholder label. */
.ph.has-img { background: none; }

.ph.has-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Full presentation sheets: show the whole board, no cropping. When the
   frame --ar matches the image ratio (the norm here), contain fits exactly
   with no letterbox. */
.ph.has-img.contain img {
  object-fit: contain;
  background: var(--paper);
}

.ph-caption {
  margin-top: 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
}

/* A captioned image block (figure + caption) that sits in a media grid. */
.media-item { min-width: 0; }
.media-item .ph { width: 100%; }

/* Tall portrait presentation boards: constrain to a readable centered
   column so a full sheet doesn't dominate the page. */
.board {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.board.wide { max-width: 720px; }

/* Three- and four-up media rows. */
.ws-media.three { grid-template-columns: repeat(3, 1fr); }
.ws-media.four { grid-template-columns: repeat(4, 1fr); }

/* Video in a drafting frame (autoplaying UI loop). */
.ph.has-img video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Booklet: full-width landscape spreads stacked in reading order. */
.booklet { margin-top: 1.5rem; }
.booklet .ph { margin-bottom: 1.1rem; }
.booklet .ph:last-child { margin-bottom: 0; }

/* ---------------- Capabilities strip ---------------- */

.caps { border-top: 1px solid var(--line); }

.caps-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-left: 1px solid var(--line);
}

.cap {
  border-right: 1px solid var(--line);
  padding: 1.75rem 1.25rem 2.5rem;
}

.cap .label { display: block; margin-bottom: 1.25rem; color: var(--accent); opacity: 1; }

.cap h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }

.cap p { margin-top: 0.5rem; font-size: 0.9rem; opacity: 0.75; }

/* ---------------- Closer ---------------- */

.closer h2 {
  font-size: clamp(1.9rem, 4.5vw, 3.75rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.08;
  max-width: 24ch;
}

.closer p { margin-top: 1.5rem; font-size: 1.15rem; max-width: 50ch; }

/* ---------------- Case study pages ---------------- */

.case-hero { padding-top: clamp(3.5rem, 8vw, 6.5rem); }

.case-hero .label { margin-bottom: 1.25rem; }

.case-hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.75rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 24ch;
}

.case-hero .ph { margin-top: clamp(2rem, 5vw, 3.5rem); }

/* Snapshot bar */
.snapshot {
  margin-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.snapshot > div {
  padding: 1.1rem 1rem 1.3rem 0;
  border-right: 1px solid var(--line);
  margin-right: 1rem;
}

.snapshot > div:last-child { border-right: none; margin-right: 0; }

.snapshot .label { display: block; margin-bottom: 0.5rem; color: var(--accent); opacity: 1; }

.snapshot p { font-size: 0.92rem; line-height: 1.4; }

/* Numbered case sections */
.case-sec { padding-top: clamp(2.75rem, 6vw, 5rem); }

.case-sec:last-of-type { padding-bottom: clamp(3rem, 6vw, 5rem); }

.case-sec .sec-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.9rem;
}

.case-sec h2 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.case-sec .prose { max-width: 66ch; }

.case-sec .prose p + p { margin-top: 1rem; }

.case-sec .prose strong { font-weight: 700; }

/* Workstream blocks inside "The work" */
.workstream { margin-top: clamp(2.5rem, 5vw, 4rem); }

.workstream h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
}

.workstream > p { max-width: 62ch; opacity: 0.9; margin-bottom: 1.5rem; }

.ws-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.ws-media.single { grid-template-columns: 1fr; }

/* Killed direction callout */
.killed {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 0 1.25rem 1.75rem;
  max-width: 62ch;
}

.killed .label { display: block; margin-bottom: 0.6rem; color: var(--accent); opacity: 1; }

/* Results stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.stat { border-top: 1px solid var(--ink); padding-top: 1rem; }

.stat .big {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat p { margin-top: 0.5rem; font-size: 0.9rem; opacity: 0.8; }

/* Next project link */
.next-proj {
  border-top: 1px solid var(--line);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.next-proj a {
  display: block;
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  transition: color 0.2s ease;
}

.next-proj a:hover { color: var(--accent); }

.next-proj .label { display: block; margin-bottom: 0.75rem; }

/* ---------------- Photography page ---------------- */

.photo-grid {
  columns: 3;
  column-gap: 1.25rem;
}

.photo-grid .ph {
  margin-bottom: 1.25rem;
  break-inside: avoid;
}

/* ---------------- About page ---------------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.about-grid h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 1.75rem;
}

.about-grid .prose p + p { margin-top: 1.1rem; }

.about-links { margin-top: 2rem; display: flex; gap: 1.5rem; flex-wrap: wrap; }

.about-links a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.about-links a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------------- Footer / contact ---------------- */

.site-foot {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(4rem, 8vw, 7rem) 0 3rem;
}

.site-foot .label { color: var(--paper); opacity: 0.6; }

.site-foot h2 {
  font-size: clamp(2.4rem, 6.5vw, 5.5rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-top: 1.25rem;
}

.foot-copy { margin-top: 1.75rem; max-width: 52ch; opacity: 0.85; font-size: 1.1rem; }

.foot-mail {
  display: inline-block;
  margin-top: 2.25rem;
  font-size: clamp(1.2rem, 2.6vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 3px;
  transition: color 0.2s ease;
}

.foot-mail:hover { color: var(--accent); }

.foot-links {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.foot-links a { opacity: 0.7; }

.foot-links a:hover { opacity: 1; color: var(--accent); }

.foot-note {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(246, 245, 241, 0.2);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.55;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------------- Reveal animation ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .work-grid { grid-template-columns: 1fr; }
  .caps-row { grid-template-columns: 1fr; border-left: none; }
  .cap { border-right: none; border-bottom: 1px solid var(--line); padding-left: 0; }
  .snapshot { grid-template-columns: 1fr 1fr; }
  .snapshot > div { border-right: none; }
  .arch-toggle { grid-template-columns: 2.5rem 1fr auto; }
  .arch-courses { grid-template-columns: 1fr 1fr; }
  .award { grid-template-columns: 1fr; }
  .ws-media,
  .ws-media.three { grid-template-columns: 1fr; }
  .ws-media.four { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: 1fr; }
  .photo-grid { columns: 2; }
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .photo-grid { columns: 1; }
  .site-nav { gap: 1rem; font-size: 0.68rem; }
}