/* ==========================================================================
   Hyungrok (Roy) Son — Portfolio
   Same minimal design language as velfontoffice.com (Helvetica Bold,
   black on white, one red accent), kept in its own stylesheet the same
   way /shop/ and /os/ each own theirs — this section can evolve on its
   own without touching the main site.
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-fg: #000000;
  --color-fg-muted: rgba(0, 0, 0, 0.55);
  --color-line: #e5e5e5;
  --color-hover: #e0261f;

  --font-body: "Helvetica Bold", Helvetica, "Helvetica Neue", Arial, sans-serif;

  --edge: 56px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  background: var(--color-bg);
}

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-weight: 700;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.001ms !important;
  }
}

.site-header {
  padding: 24px var(--edge);
}

.back-link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  transition: color 180ms var(--ease);
}

.back-link:hover {
  color: var(--color-hover);
}

main {
  padding: 0 var(--edge) 120px;
  max-width: 1000px;
}

.intro {
  padding: 40px 0 100px;
}

.name {
  font-size: clamp(48px, 9vw, 112px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  margin-bottom: 24px;
}

.project-list {
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.project-item {
  display: flex;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: clamp(24px, 4vw, 40px);
  letter-spacing: -0.01em;
  transition: color 180ms var(--ease);
}

.project-item:hover {
  color: var(--color-hover);
}

.project-link {
  display: block;
  width: 100%;
}

.site-footer {
  padding: 40px var(--edge);
  border-top: 1px solid var(--color-line);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--color-fg-muted);
}

@media (max-width: 640px) {
  :root {
    --edge: 28px;
  }

  .intro {
    padding: 24px 0 64px;
  }
}