/* ==========================================================================
   About
   ========================================================================== */

.ab-hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 72px);
  overflow: hidden;
  isolation: isolate;
}

.ab-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(45% 50% at 85% 20%, rgba(41, 151, 255, 0.12), transparent 70%),
    radial-gradient(35% 40% at 0% 80%, rgba(167, 139, 250, 0.07), transparent 70%);
}

.ab-title {
  font-size: clamp(44px, 7.6vw, 112px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.ab-title span {
  display: block;
}

.ab-title .dim {
  color: var(--fg-4);
  color: #55565e;
}

.ab-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 96px);
  margin-top: clamp(40px, 5vw, 72px);
  align-items: start;
}

.ab-intro .lead + .lead {
  margin-top: 20px;
}

/* At-a-glance cards */
.ab-glance {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ab-fact {
  padding: 20px;
  border-radius: var(--r-m);
}

.ab-fact__k {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.ab-fact__k .i {
  font-size: 15px;
  color: var(--accent);
}

.ab-fact__v {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.ab-fact__s {
  margin-top: 4px;
  font-size: 13px;
  color: var(--fg-2);
}

.ab-fact--wide {
  grid-column: span 2;
}

@media (max-width: 900px) {
  .ab-intro {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 460px) {
  .ab-glance {
    grid-template-columns: minmax(0, 1fr);
  }

  .ab-fact--wide {
    grid-column: span 1;
  }
}

/* ── Path (timeline) ─────────────────────────────────────────────────────── */

.ab-path {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, minmax(142px, 1fr));
  gap: 0;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

.ab-path::-webkit-scrollbar {
  display: none;
}

.ab-path::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 43px;
  height: 1px;
  background: linear-gradient(90deg, var(--line-2), var(--accent) 88%, var(--line-2));
}

.ab-step {
  position: relative;
  padding: 0 18px 0 0;
  scroll-snap-align: start;
}

.ab-step__year {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-3);
}

.ab-step__dot {
  position: relative;
  width: 13px;
  height: 13px;
  margin: 18px 0 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--line-3);
  transition: border-color 0.4s, background-color 0.4s, transform 0.5s var(--ease-spring);
}

.ab-step:hover .ab-step__dot,
.ab-step.is-now .ab-step__dot {
  border-color: var(--accent);
  background: var(--accent);
  transform: scale(1.25);
  box-shadow: 0 0 14px rgba(41, 151, 255, 0.7);
}

.ab-step h3 {
  font-size: 16.5px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.ab-step p {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg-2);
}

.ab-path-hint {
  display: none;
  margin-top: 10px;
  font-size: 12px;
  color: var(--fg-3);
}

@media (max-width: 1240px) {
  .ab-path-hint {
    display: block;
  }
}

/* ── Education ───────────────────────────────────────────────────────────── */

.ab-edu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.ab-school {
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 36px);
}

.ab-school__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.ab-school__crest {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(41, 151, 255, 0.1);
  border: 1px solid rgba(41, 151, 255, 0.25);
  color: var(--accent-2);
}

.ab-school__crest .i {
  font-size: 22px;
}

.ab-school h3 {
  margin-top: 26px;
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.ab-school__sub {
  margin-top: 8px;
  color: var(--fg-2);
}

.ab-school__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 28px;
}

.ab-school__stats b {
  display: block;
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 650;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.ab-school__stats span {
  font-size: 13px;
  color: var(--fg-3);
}

.ab-awards {
  display: grid;
  gap: 8px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.ab-awards li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--fg-2);
  line-height: 1.45;
}

.ab-awards .i {
  margin-top: 2px;
  font-size: 15px;
  color: #ffd166;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .ab-edu {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ── Skills ──────────────────────────────────────────────────────────────── */

.ab-skills {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ab-skillset {
  padding: 26px;
  overflow: visible;
}

.ab-skillset:hover,
.ab-skillset:focus-within {
  z-index: 5;
}

.ab-skillset__head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
}

.ab-skillset__head .i {
  font-size: 18px;
  color: var(--accent);
}

.ab-skillset .chip-row {
  margin-top: 18px;
}

.skill {
  position: relative;
  cursor: default;
}

.skill:hover,
.skill:focus-visible {
  color: var(--fg);
  background: rgba(41, 151, 255, 0.12);
  border-color: rgba(41, 151, 255, 0.35);
}

.skill__tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  z-index: 10;
  width: max-content;
  max-width: 220px;
  padding: 8px 11px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.4;
  white-space: normal;
  color: var(--fg);
  background: rgba(34, 35, 42, 0.96);
  border: 1px solid var(--line-2);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.7);
  opacity: 0;
  transform: translate(-50%, 4px);
  pointer-events: none;
  transition: opacity 0.2s, transform 0.3s var(--ease-out);
}

.skill__tip b {
  display: block;
  margin-bottom: 2px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.skill:hover .skill__tip,
.skill:focus-visible .skill__tip {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 960px) {
  .ab-skills {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .ab-skills {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Languages spoken */
.ab-langs {
  display: grid;
  gap: 18px;
  margin-top: 6px;
}

.ab-lang {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.ab-lang b {
  font-size: 15px;
  font-weight: 600;
}

.ab-lang small {
  display: block;
  font-size: 12px;
  color: var(--fg-3);
}

.ab-meter {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
}

.ab-meter i {
  height: 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  transition: background-color 0.6s var(--ease-out);
  transition-delay: calc(var(--k) * 90ms + 200ms);
}

.is-in .ab-meter i.on {
  background: var(--accent);
}

/* ── Beyond work ─────────────────────────────────────────────────────────── */

.ab-beyond {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ab-activity {
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.ab-activity__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: color-mix(in srgb, var(--tone) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--tone) 28%, transparent);
  color: var(--tone);
}

.ab-activity__icon .i {
  font-size: 20px;
}

.ab-activity__when {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}

.ab-activity h3 {
  margin-top: 6px;
  font-size: 20px;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.ab-activity p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-2);
}

.ab-activity .chip-row {
  margin-top: auto;
  padding-top: 20px;
}

@media (max-width: 960px) {
  .ab-beyond {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* CV band */
.ab-cv {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(70% 140% at 100% 50%, rgba(41, 151, 255, 0.16), transparent 60%),
    var(--surface);
  border: 1px solid var(--line);
}

.ab-cv h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.ab-cv p {
  margin-top: 10px;
  color: var(--fg-2);
}

/* ── Press & recognition ──────────────────────────────────────────────── */

.ab-press {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.ab-press__col {
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.ab-press__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.ab-press__title .i {
  font-size: 20px;
  color: var(--accent);
}

.ab-press__list {
  margin-top: 14px;
}

.ab-press__list li + li {
  border-top: 1px solid var(--line);
}

.ab-press__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  color: inherit;
  text-decoration: none;
}

.ab-press__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}

.ab-press__headline {
  font-size: 15.5px;
  line-height: 1.45;
  color: var(--fg);
}

a.ab-press__item .ab-press__headline {
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease;
}

a.ab-press__item:hover .ab-press__headline,
a.ab-press__item:focus-visible .ab-press__headline {
  text-decoration-color: var(--fg-2);
}

.ab-press__more {
  margin-top: 18px;
}

@media (max-width: 900px) {
  .ab-press {
    grid-template-columns: minmax(0, 1fr);
  }
}