/* sections.css — per-section layout and styling. */

/* ── Scroll-reveal primitive (JS adds .in-view) ───────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
[data-reveal].in-view {
  opacity: 1;
  transform: none;
}
html.reduced-motion [data-reveal] {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  background: linear-gradient(to bottom, rgba(6, 7, 10, 0.7), transparent);
  backdrop-filter: blur(4px);
  transition: background var(--dur), border-color var(--dur);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(6, 7, 10, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__brand {
  font-weight: 600;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}
.nav__brand .dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--plasma);
  box-shadow: var(--glow);
}
.nav__right {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.nav__links {
  display: flex;
  gap: 1.4rem;
  font-size: var(--fs-sm);
  color: var(--ink-dim);
}
.nav__links a:hover {
  color: var(--ink);
}
.kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-xs);
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.kbd-hint:hover {
  border-color: rgba(139, 92, 246, 0.6);
  color: var(--ink);
  background: rgba(139, 92, 246, 0.08);
}
.kbd-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1em 0.45em;
  border-radius: 5px;
}
@media (max-width: 720px) {
  .nav__links { display: none; }
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 8rem 4rem;
}
.hero__eyebrow {
  margin-bottom: 1.6rem;
}
.hero__title {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: -0.035em;
  font-weight: 600;
  max-width: 16ch;
}
.hero__title .line {
  display: block;
  overflow: hidden;
}
.hero__title .line > span {
  display: block;
}
/* Only hide for the entrance animation when JS is present. */
html.js .hero__title .line > span {
  transform: translateY(110%);
}
.hero__name {
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  margin-bottom: 1.1rem;
}
.hero__sub {
  margin-top: 2rem;
  max-width: 52ch;
  color: var(--ink-dim);
  font-size: var(--fs-lead);
}
.hero__sub strong {
  color: var(--ink);
  font-weight: 600;
}
.hero__cta {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}
.hero__scrollcue {
  margin-top: auto;
  padding-top: 3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero__scrollcue .bar {
  width: 1px;
  height: 2.6rem;
  background: linear-gradient(var(--ink-mute), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scrollcue .bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cyan);
  animation: cue 2.4s var(--ease-in-out) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); }
  50% { transform: translateY(0%); }
  100% { transform: translateY(100%); }
}

/* ── Positioning ──────────────────────────────────────────────── */
.positioning {
  min-height: 70svh;
  display: flex;
  align-items: center;
}
.positioning__lead {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 1.5rem;
}
.positioning__statement {
  font-size: var(--fs-h1);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  max-width: 22ch;
}
.positioning__statement .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
}
html.reduced-motion .positioning__statement .word {
  opacity: 1;
  transform: none;
}

/* ── Thesis (signature scrollytelling) ────────────────────────── */
.thesis {
  position: relative;
}
.thesis__pin {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  overflow: hidden;
}
/* Each "beat" is layered; opacity is driven by ScrollTrigger via --beat vars. */
.thesis__beat {
  grid-area: 1 / 1;
  width: 100%;
}
.thesis__beat .wrap { width: 100%; }

.thesis__eyebrow { margin-bottom: 1.4rem; }
.thesis__title {
  font-size: var(--fs-h1);
  letter-spacing: -0.035em;
  max-width: 14ch;
}
.thesis__subtitle {
  margin-top: 1rem;
  color: var(--ink-dim);
  font-size: var(--fs-lead);
  max-width: 40ch;
}
.thesis__advisor {
  margin-top: 1.6rem;
  font-size: var(--fs-sm);
  color: var(--ink-mute);
}
.thesis__advisor b { color: var(--ink-dim); font-weight: 600; }

/* Big number beat */
.bignum {
  display: flex;
  align-items: baseline;
  gap: 0.1em;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.9;
  font-size: clamp(4.5rem, 18vw, 15rem);
}
.bignum .gradient-text { font-variant-numeric: tabular-nums; }
.bignum .unit { font-size: 0.42em; color: var(--ink-dim); }
.bignum__caption {
  margin-top: 1.4rem;
  font-size: var(--fs-lead);
  color: var(--ink-dim);
  max-width: 34ch;
}

/* Breakdown bar */
.breakdown {
  margin-top: 2rem;
  max-width: 640px;
}
.breakdown__track {
  display: flex;
  height: 64px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-raise);
}
.breakdown__seg {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  transition: flex-grow 1.1s var(--ease-out);
  border-right: 1px solid rgba(0, 0, 0, 0.4);
}
.breakdown__seg:last-child { border-right: 0; }
.breakdown__seg.is-dominant {
  background: var(--plasma);
  color: #07080c;
  font-weight: 600;
}
.breakdown__seg:not(.is-dominant) {
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink-mute);
}
.breakdown__seg span {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  white-space: nowrap;
  padding-inline: 0.4rem;
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out) 0.3s;
}
.breakdown__seg.is-wide span { opacity: 1; }
.breakdown__legend {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: var(--fs-xs);
  color: var(--ink-mute);
  font-family: var(--font-mono);
}

/* Fix beat: before/after collapse */
.collapse {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  flex-wrap: wrap;
}
.collapse__card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raise);
  padding: 1.6rem 1.8rem;
  min-width: 180px;
}
.collapse__card .num {
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.collapse__card .lbl {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.collapse__card.is-after .num { color: var(--cyan); }
.collapse__arrow {
  font-size: 2rem;
  color: var(--ink-mute);
}
.collapse__note {
  margin-top: 1.2rem;
  color: var(--ink-dim);
  font-size: var(--fs-sm);
}

.thesis__punch {
  font-size: var(--fs-h1);
  letter-spacing: -0.03em;
  max-width: 18ch;
  font-weight: 600;
}
.thesis__links {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  align-items: flex-start;
}
.thesis__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: var(--fs-sm);
  color: var(--ink-dim);
}
.thesis__links a:hover { color: var(--ink); }
.thesis__links a::before {
  content: "↗";
  color: var(--violet);
  font-family: var(--font-mono);
}
.to-confirm {
  font-family: var(--font-mono);
  font-size: 0.62em;
  color: var(--ink-mute);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.1em 0.4em;
  vertical-align: middle;
  margin-left: 0.5em;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Progress rail for the pinned thesis */
.thesis__rail {
  position: absolute;
  left: var(--gutter);
  bottom: 8%;
  display: flex;
  gap: 0.5rem;
  z-index: 3;
}
.thesis__rail .tick {
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--line-strong);
  transition: background var(--dur-fast);
}
.thesis__rail .tick.is-active { background: var(--plasma); }
@media (max-width: 720px) {
  .thesis__rail { left: var(--gutter); bottom: 4%; }
}

/* ── Now (Strada) ─────────────────────────────────────────────── */
.now__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.8rem 1.2rem;
  margin-bottom: 1.4rem;
}
.now__title {
  font-size: var(--fs-h2);
  letter-spacing: -0.03em;
}
.now__badge {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}
.now__period {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}
.now__body { max-width: 60ch; color: var(--ink-dim); font-size: var(--fs-lead); }
.now__pillars {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.now__pillar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raise);
  padding: 1.4rem;
}
.now__pillar h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.4rem;
}
.now__pillar p { color: var(--ink-mute); font-size: var(--fs-sm); }
.now__stack {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
@media (max-width: 760px) {
  .now__pillars { grid-template-columns: 1fr; }
}

/* chips (shared) */
.chip {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-dim);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

/* ── Experience timeline ──────────────────────────────────────── */
.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.section__title {
  font-size: var(--fs-h2);
  letter-spacing: -0.03em;
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-top: 1px solid var(--line);
}
.xp {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease-out);
}
.xp:hover { background: rgba(255, 255, 255, 0.015); }
.xp__left { }
.xp__org {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.xp__role { color: var(--ink-dim); margin-top: 0.2rem; }
.xp__meta {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}
.xp__body { color: var(--ink-dim); }
.xp__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-top: 1.2rem;
}
.xp__metric .v {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.xp__metric .k {
  font-size: var(--fs-xs);
  color: var(--ink-mute);
  font-family: var(--font-mono);
}
.xp__stack {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
@media (max-width: 760px) {
  .xp { grid-template-columns: 1fr; gap: 1rem; }
}

/* ── Selected work ────────────────────────────────────────────── */
.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.work-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-raise);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--dur) var(--ease-out),
    border-color var(--dur), box-shadow var(--dur);
  will-change: transform;
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 24px 60px -30px rgba(124, 92, 246, 0.55);
}
.work-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(120% 120% at 20% 0%, rgba(99, 102, 241, 0.25), transparent 60%),
    radial-gradient(120% 120% at 100% 100%, rgba(34, 211, 238, 0.22), transparent 55%),
    var(--bg-raise-2);
}
.work-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur);
  opacity: 0.92;
}
.work-card:hover .work-card__media img { transform: scale(1.05); opacity: 1; }
.work-card__media--mono {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
}
.work-card__body { padding: 1.4rem 1.5rem 1.6rem; }
.work-card__name {
  font-size: var(--fs-h3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}
.work-card__name .arrow { color: var(--ink-mute); transition: transform var(--dur) var(--ease-out), color var(--dur); }
.work-card:hover .work-card__name .arrow { transform: translate(3px, -3px); color: var(--cyan); }
.work-card__blurb { color: var(--ink-mute); font-size: var(--fs-sm); margin-top: 0.6rem; }
.work-card__stack { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
@media (max-width: 760px) {
  .work__grid { grid-template-columns: 1fr; }
}

/* ── Beyond the code ──────────────────────────────────────────── */
.beyond__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.beyond__feature {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(139, 92, 246, 0.12), transparent 55%),
    var(--bg-raise);
  padding: clamp(1.8rem, 4vw, 2.6rem);
}
.beyond__feature h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.8rem;
}
.beyond__feature p { color: var(--ink-dim); }
.beyond__list { display: flex; flex-direction: column; gap: 1px; }
.beyond__item {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.beyond__item:first-child { border-top: 1px solid var(--line); }
.beyond__item .k {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 0.15rem;
}
.beyond__item .v { color: var(--ink-dim); font-size: var(--fs-sm); }
@media (max-width: 760px) {
  .beyond__grid { grid-template-columns: 1fr; }
  .beyond__item { grid-template-columns: 1fr; gap: 0.2rem; }
}

/* ── Contact / footer ─────────────────────────────────────────── */
.contact {
  padding-block: clamp(6rem, 16vh, 12rem);
  text-align: center;
}
.contact__blurb {
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-inline: auto;
  line-height: 1.15;
}
.contact__email {
  margin-top: 2rem;
  display: inline-block;
  font-size: var(--fs-lead);
}
.contact__email a { color: var(--ink); }
.contact__email a:hover { color: var(--cyan); }
.contact__links {
  margin-top: 1.6rem;
  display: flex;
  gap: 1.4rem;
  justify-content: center;
}
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--ink-mute);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
}
.footer a:hover { color: var(--ink); }

/* ── No-WebGL static fallback flag ────────────────────────────── */
html.no-webgl body {
  background-image:
    radial-gradient(80% 60% at 75% 0%, rgba(99, 102, 241, 0.14), transparent 60%),
    radial-gradient(70% 50% at 0% 100%, rgba(34, 211, 238, 0.1), transparent 55%);
}