/* =========================================================
   about page — values measured from the reference at 1440
   (content column 1384). Loads after app.css; adds nothing
   that app.css already provides.
   ========================================================= */

/* ---------- section 1 : hero + bio ---------- */
.s-about-hero {
  padding: 80px var(--pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.s-about-hero .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 66px;
}

.about-title {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 24px;
}
.about-title h1 {
  width: 100%;
  line-height: 1;
}

.about-row {
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 24px;
}

/* 742 / 1384 and 618 / 1384 of the content column */
.about-left {
  flex: 742 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-right {
  flex: 618 1 0;
  min-width: 0;
}

.bio {
  max-width: 620px;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.02em;
  opacity: 0.6;
}
.bio-em {
  font-style: normal;
  font-weight: 700;
  color: var(--fg-strong);
}

/* portrait — carries data-px, so it mirrors the .work-media
   canvas mechanics that site.js expects */
.about-portrait {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 618 / 704;
  border-radius: 8px;
  overflow: hidden;
  background: #1c1c1c;
}
.about-portrait img,
.about-portrait canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-portrait canvas { opacity: 0; transition: opacity 0.2s ease; }
.about-portrait.px-ready canvas { opacity: 1; }
.about-portrait.px-ready img { opacity: 0; }

/* ---------- section 2 : experience + education ---------- */
.s-exp {
  padding: 80px var(--pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.s-exp .wrap {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 76px;
}

.exp-title {
  font-size: 120px;
  line-height: 0.9;
  font-weight: 700;
  letter-spacing: -0.06em;
  text-align: left;
}

.exp-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.exp-rule {
  height: 1px;
  background: var(--rule);
}

/* three tracks: 512 / 360 / 512 of the 1384 column */
.exp-row {
  display: grid;
  grid-template-columns: 512fr 360fr 512fr;
  column-gap: 24px;
  align-items: center;
}

.exp-a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.exp-role {
  font-size: 24px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.04em;
}
.exp-org {
  font-size: 20px;
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: -0.04em;
  opacity: 0.6;
}

.exp-b {
  min-width: 0;
  font-size: 16px;
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: -0.02em;
  opacity: 0.7;
}

.exp-c {
  min-width: 0;
  text-align: right;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.04em;
}

/* rows that link out (side quests) keep the identical row grid */
a.exp-row { transition: opacity 0.25s ease; }
a.exp-row:hover { opacity: 0.6; }

/* floating media preview — follows the pointer while hovering a
   side-quest row that carries data-preview. Desktop hover only. */
.side-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  pointer-events: none;
  z-index: 60;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94);
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  background: #1c1c1c;
}
.side-preview.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.side-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- software — icon-over-name in a bordered box ---------- */
.stack-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 128px;
  padding: 20px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  color: var(--fg);
}
.stack-icon {
  width: 28px;
  height: 28px;
  fill: currentColor;
  color: var(--fg);
  opacity: 0.35;
}
.stack-name {
  font-size: 24px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-align: center;
}

/* ---------- the cta band on this page ---------- */
.s-cta { padding: 80px var(--pad); }

/* =========================================================
   tablet — 810 to 1199
   ========================================================= */
@media (max-width: 1199px) {
  .s-about-hero .wrap { gap: 56px; }
  .bio { font-size: 26px; max-width: none; }
  .exp-title { font-size: 88px; }
  .s-exp .wrap { gap: 56px; }
  .exp-row { column-gap: 20px; }

  .stack-row { grid-template-columns: repeat(3, 1fr); }

  .s-cta { padding: 70px var(--pad); }
}

/* =========================================================
   mobile — up to 809
   ========================================================= */
@media (max-width: 809px) {
  .s-about-hero { padding: 48px var(--pad); gap: 32px; }
  .s-about-hero .wrap { gap: 36px; }
  .about-title { align-items: flex-start; gap: 16px; }

  .about-row { flex-direction: column; gap: 32px; }
  .about-left,
  .about-right { flex: 0 0 auto; width: 100%; }
  .about-left { gap: 24px; }
  .bio { font-size: 20px; max-width: none; }

  .s-exp { padding: 48px var(--pad); gap: 32px; }
  .s-exp .wrap { gap: 40px; }
  .exp-title { font-size: 44px; }

  .exp-list { gap: 16px; }
  .exp-row {
    grid-template-columns: 1fr;
    row-gap: 10px;
    align-items: start;
  }
  .exp-role { font-size: 20px; }
  .exp-org { font-size: 16px; }
  .exp-c { font-size: 20px; text-align: left; }
  .exp-b:empty { display: none; }

  .stack-row { grid-template-columns: 1fr 1fr; }
  .stack-item { height: 104px; padding: 16px; gap: 8px; }
  .stack-icon { width: 22px; height: 22px; }
  .stack-name { font-size: 20px; }

  .s-cta { padding: 48px var(--pad); }
}