/* ============================================================
   Álvaro Souza — portfolio
   Swiss editorial minimalism: warm near-black, Switzer body,
   Instrument Serif italic accents, Fragment Mono metadata,
   one Swiss-red accent.
   ============================================================ */

:root {
  --bg: #ffffff;
  --fg: #171717;
  --muted: #6f6f6f;
  --faint: #a3a3a3;
  --hairline: rgba(23, 23, 23, 0.12);
  --red: #e8452c;

  --sans: "Switzer", -apple-system, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "Fragment Mono", ui-monospace, monospace;

  --w: 70rem;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);

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

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

img { max-width: 100%; height: auto; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

::selection { background: var(--red); color: var(--bg); }

a { color: inherit; }

:focus-visible {
  outline: 1.5px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

em {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.12em;
  letter-spacing: 0.005em;
}

/* ---- grain atmosphere ---------------------------------- */

.grain {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 50;
  mix-blend-mode: multiply;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 9s steps(6) infinite;
}

@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-3%, 2%); }
  40%  { transform: translate(2%, -3%); }
  60%  { transform: translate(-2%, -2%); }
  80%  { transform: translate(3%, 3%); }
  100% { transform: translate(0, 0); }
}

/* ---- entrance choreography ------------------------------ */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  animation: reveal 0.9s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 90ms);
}

[data-scroll] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-scroll].in { opacity: 1; transform: none; }

@keyframes reveal {
  to { opacity: 1; transform: none; }
}

/* fine-grained scroll cascade: applied by JS to figures, rows, metrics */
.fx-item {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease),
    clip-path 0.9s var(--ease);
  transition-delay: var(--fx-delay, 0s);
}

.fx-item.in { opacity: 1; transform: none; }

.case-fig.fx-item { clip-path: inset(0 0 12% 0 round 6px); }

.case-fig.fx-item.in { clip-path: inset(0 0 0 0 round 6px); }

/* page-to-page fade */
body { transition: opacity 0.22s ease; }

body.exit { opacity: 0; }

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

.nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--w);
  width: 100%;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vh, 2.75rem) var(--gutter) 0;
}

.wordmark {
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.dot {
  color: var(--red);
  display: inline-block;
  transition: transform 0.35s var(--ease);
}

.wordmark:hover .dot { transform: scale(1.7) translateY(-1px); }

.nav-right {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  flex-wrap: wrap;
  row-gap: 0.4rem;
  justify-content: flex-end;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.3s var(--ease);
  position: relative;
}

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

.nav-link.is-active { color: var(--fg); }

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3em;
  width: 100%;
  height: 1px;
  background: var(--red);
}

.clock {
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

/* ---- page shell ------------------------------------------ */

.page {
  flex: 1;
  max-width: var(--w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---- intro ----------------------------------------------- */

.intro { padding: clamp(4rem, 14vh, 8rem) 0 clamp(3rem, 8vh, 5rem); }

.kicker { color: var(--red); margin-bottom: 1.5rem; }

.headline {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.headline em { font-weight: 400; }

/* per-line mask reveal */
.headline .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}

.headline .line > span {
  display: block;
  transform: translateY(110%);
  animation: line-up 1s var(--ease) forwards;
  animation-delay: calc(0.25s + var(--l, 0) * 130ms);
}

@keyframes line-up {
  to { transform: none; }
}

/* ---- word slot roller (home greeting, contact hello) --------- */

.rotator {
  --slot: 1.18em;
  display: inline-flex;
  overflow: hidden;
  height: var(--slot);
  transition: width 0.5s var(--ease);
}

.rotator-track {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.6s var(--ease);
}

.rotator-track span {
  display: block;
  height: var(--slot);
  line-height: var(--slot);
  white-space: nowrap;
}

/* ---- egg hunt: numbered toast ------------------------------- */

.egg-toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  z-index: 90;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 99px;
  padding: 0.65rem 1.2rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--fg);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.16);
  opacity: 0;
  transition: opacity 0.3s var(--ease), transform 0.35s var(--ease);
  pointer-events: none;
  text-align: center;
  max-width: 92vw;
}

.egg-toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

.egg-toast b { color: var(--red); font-weight: 400; }

.egg-toast .dimmed { color: var(--faint); }

/* ---- egg: Swiss confetti (about, the German pill) ------------ */

.confetti {
  position: fixed;
  z-index: 85;
  pointer-events: none;
  font-size: 1.05rem;
  animation: confetti-fall 1.7s ease-in forwards;
}

@keyframes confetti-fall {
  to {
    transform: translate(var(--dx, 0), 48vh) rotate(320deg);
    opacity: 0;
  }
}

/* ---- egg: typing effect (stack, Claude Code) ----------------- */

.typing::after {
  content: "▌";
  color: var(--red);
  animation: caret-blink 1s steps(1) infinite;
}

@keyframes caret-blink { 50% { opacity: 0; } }

/* ---- avatar (home intro) ---------------------------------- */

.avatar-link {
  display: inline-block;
  margin-bottom: 1.75rem;
  border-radius: 50%;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
}

.avatar.flip { animation: avatar-flip 0.42s var(--ease); }

@keyframes avatar-flip {
  0% { transform: rotateY(0); }
  50% { transform: rotateY(90deg) scale(0.9); }
  100% { transform: rotateY(0); }
}

/* ---- egg: the plane takes off (click "airport") ------------- */

.plane {
  position: fixed;
  bottom: 12vh;
  left: -80px;
  font-size: 2.1rem;
  z-index: 70;
  pointer-events: none;
  animation: plane-fly 4.2s cubic-bezier(0.3, 0, 0.7, 0.4) forwards;
}

@keyframes plane-fly {
  0% { left: -80px; transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-6vh) rotate(-8deg); }
  100% { left: 108vw; transform: translateY(-42vh) rotate(-14deg); }
}

/* ---- egg: Zürich postcard (click the coordinates) ---------- */

.postcard-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: rgba(23, 23, 23, 0.42);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  cursor: zoom-out;
}

.postcard-backdrop.on { opacity: 1; }

.postcard {
  background: #fff;
  padding: 0.85rem 0.85rem 0;
  border-radius: 3px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  max-width: min(84vw, 330px);
  transform: rotate(-3deg) scale(0.9);
  transition: transform 0.45s var(--ease);
}

.postcard-backdrop.on .postcard { transform: rotate(-3deg) scale(1); }

.postcard img {
  width: 100%;
  max-height: 60vh;
  object-fit: cover;
  display: block;
  border-radius: 2px;
}

/* ---- peek: tiny photo that pops over a phrase on hover ------ */

.peek {
  position: relative;
  border-bottom: 1px dashed var(--red);
  cursor: default;
}

.peek .peek-img {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  width: 210px;
  border-radius: 6px;
  outline: 1px solid var(--hairline);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
  transform: translateX(-50%) rotate(-4deg) scale(0.85);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.4s var(--ease);
  z-index: 20;
}

.peek:hover .peek-img {
  opacity: 1;
  transform: translateX(-50%) rotate(-4deg) scale(1);
}

.postcard figcaption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  text-align: center;
  padding: 0.7rem 0.4rem 0.95rem;
}

/* ---- egg: designer layout grid (Konami code) --------------- */

.egg-grid {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.egg-grid.on { opacity: 1; }

.egg-grid .baseline {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    rgba(232, 69, 44, 0.09) 0 1px, transparent 1px 24px
  );
}

.egg-grid .cols {
  max-width: var(--w);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.egg-grid .cols span {
  background: rgba(232, 69, 44, 0.05);
  border-inline: 1px solid rgba(232, 69, 44, 0.16);
}

.egg-badge {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  z-index: 61;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  background: #fff;
  padding: 0.45em 0.95em;
  border: 1px solid var(--hairline);
  border-radius: 99px;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s var(--ease);
}

.egg-badge.on { opacity: 1; transform: translateX(-50%) translateY(0); }

.avatar {
  display: block;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
  outline: 1px solid var(--hairline);
  filter: grayscale(1);
  rotate: 0deg;
  transition: filter 0.4s var(--ease), scale 0.4s var(--ease), rotate 0.4s var(--ease);
}

.avatar-link:hover .avatar {
  filter: none;
  scale: 1.08;
  rotate: -4deg;
}

.lede {
  margin-top: 1.75rem;
  max-width: 40rem;
  color: var(--muted);
}

.lede a {
  color: var(--fg);
  text-decoration: none;
  background-image: linear-gradient(var(--red), var(--red));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 100%;
  transition: color 0.3s var(--ease);
}

.lede a:hover { color: var(--red); }

/* ---- sections -------------------------------------------- */

.section { padding: clamp(2.25rem, 6vh, 3.75rem) 0; }

.label {
  color: var(--faint);
  margin-bottom: 1.75rem;
}

/* Swiss editorial grid: sticky label left, content right */
@media (min-width: 900px) {
  .section:not(.compact) {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }
  .section:not(.compact) > .label {
    grid-column: 1;
    position: sticky;
    top: 2.5rem;
    margin-bottom: 0;
  }
  .section:not(.compact) > *:not(.label) { grid-column: 2; }
}

/* duo: two sections side by side (about page) */
.duo, .duo-stack { display: contents; }

@media (min-width: 900px) {
  .duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
    padding: clamp(2.25rem, 6vh, 3.75rem) 0;
  }
  .duo .section { padding: 0; }
  .duo-stack {
    display: grid;
    gap: clamp(2.25rem, 6vh, 3rem);
  }
  /* narrow columns: stack the role above the entry */
  .duo .timeline-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
    padding: 1.1rem 0;
  }
  .duo .tl-role { padding-top: 0; }
}

.body-text { max-width: 36rem; color: var(--muted); }

.body-text em, .lede em { color: var(--fg); }

/* ---- work list (home) ------------------------------------ */

.work { list-style: none; }

.work-row {
  border-top: 1px solid var(--hairline);
  transition: opacity 0.4s var(--ease);
}

.work-row:last-child { border-bottom: 1px solid var(--hairline); }

/* dim siblings when one row is hovered */
.work:hover .work-row:not(:hover) { opacity: 0.35; }

.work-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 0.35rem;
}

.work-title {
  font-size: clamp(1.35rem, 1.8vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: transform 0.4s var(--ease), color 0.3s var(--ease);
}

.work-row:hover .work-title {
  transform: translateX(0.6rem);
  color: var(--red);
}

.work-meta {
  color: var(--faint);
  white-space: nowrap;
}

.work-meta .year { color: var(--muted); margin-left: 0.75em; }

/* description folds open on hover */
.work-desc {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s var(--ease);
}

.work-desc > p {
  overflow: hidden;
  max-width: 32rem;
  color: var(--muted);
  font-size: 0.95rem;
  opacity: 0;
  transition: opacity 0.4s var(--ease) 0.05s;
}

.work-row:hover .work-desc,
.work-row:focus-within .work-desc { grid-template-rows: 1fr; }

.work-row:hover .work-desc > p,
.work-row:focus-within .work-desc > p {
  opacity: 1;
  padding-bottom: 1.1rem;
}

/* ---- floating work preview (desktop pointer only) ---------- */

.work-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: min(360px, 24vw);
  aspect-ratio: 1;
  z-index: 30;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  will-change: transform;
}

.work-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  outline: 1px solid var(--hairline);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.16);
  scale: 0.92;
  rotate: -2deg;
  transition: scale 0.45s var(--ease), rotate 0.45s var(--ease);
}

.work-preview.on { opacity: 1; }

.work-preview.on img { scale: 1; rotate: 0deg; }

/* app rows: preview shrinks to an actual app icon */
.work-preview.icon { width: 124px; }

.work-preview.icon img {
  border-radius: 28px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}

@media (hover: none), (pointer: coarse), (max-width: 700px) {
  .work-preview { display: none; }
}

/* ---- portrait (about intro) --------------------------------- */

.about-intro::after { content: ""; display: block; clear: both; }

.portrait {
  float: right;
  width: clamp(8.5rem, 16vw, 13rem);
  margin: 0.4rem 0 1.5rem 2.5rem;
  rotate: 2.5deg;
  transition: rotate 0.5s var(--ease);
}

.portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 4px;
  outline: 1px solid var(--hairline);
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s var(--ease);
}

.portrait:hover { rotate: 0deg; }

.portrait:hover img { filter: none; }

.portrait figcaption {
  margin-top: 0.6rem;
  color: var(--faint);
  text-align: right;
}

/* ---- photo strip (about, beyond work) ------------------------ */

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.75rem;
}

.strip-item { rotate: -1.5deg; transition: rotate 0.5s var(--ease), translate 0.5s var(--ease); }

.strip-item:nth-child(2) { rotate: 1.75deg; margin-top: 1rem; }

.strip-item:nth-child(3) { rotate: -0.75deg; }

.strip-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
  outline: 1px solid var(--hairline);
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s var(--ease);
}

.strip-item:hover { rotate: 0deg; translate: 0 -4px; }

.strip-item:hover img { filter: none; }

.strip-item figcaption { margin-top: 0.6rem; color: var(--faint); }

/* ---- work rows as links ------------------------------------ */

.work-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.work-row.linked .work-title::after {
  content: "→";
  display: inline-block;
  margin-left: 0.5em;
  color: var(--red);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.work-row.linked:hover .work-title::after {
  opacity: 1;
  transform: none;
}

.work-title .ext {
  font-size: 0.6em;
  color: var(--faint);
  margin-left: 0.4em;
  vertical-align: 0.4em;
  transition: color 0.3s var(--ease);
}

.work-row:hover .work-title .ext { color: var(--red); }

/* ---- case study pages --------------------------------------- */

.back {
  display: inline-block;
  color: var(--faint);
  text-decoration: none;
  margin-bottom: 2.25rem;
  transition: color 0.3s var(--ease);
}

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

.case-intro { padding-top: clamp(3rem, 9vh, 5.5rem); padding-bottom: clamp(2rem, 5vh, 3rem); }

.case-hero { margin-bottom: clamp(1.5rem, 4vh, 2.5rem); }

.case-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  outline: 1px solid var(--hairline);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin: 0;
}

.fact dt { color: var(--faint); margin-bottom: 0.45rem; }

.fact dd { margin: 0; font-size: 0.95rem; color: var(--muted); }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 2rem 1.5rem;
}

.metric-num {
  display: block;
  font-size: clamp(2.2rem, 3.5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.metric-label { display: block; margin-top: 0.5rem; color: var(--faint); }

.metrics-note { margin-top: 1.75rem; font-size: 0.95rem; }

.case-p { max-width: 36rem; color: var(--muted); }

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

.case-list {
  list-style: none;
  max-width: 36rem;
}

.case-list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.6rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.case-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.case-fig { margin: clamp(1.75rem, 4.5vh, 2.75rem) 0 0; }

.case-fig img {
  width: 100%;
  border-radius: 6px;
  outline: 1px solid var(--hairline);
}

.case-fig figcaption { margin-top: 0.7rem; color: var(--faint); }

.case-fig.tall img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 4.5vh, 2.75rem);
}

.case-grid .case-fig { margin: 0; }

.case-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 2rem;
  align-items: start;
  margin-top: clamp(1.75rem, 4.5vh, 2.75rem);
}

.case-split .case-fig { margin: 0; }

@media (max-width: 600px) {
  .case-grid, .case-split { grid-template-columns: 1fr; }
}

.next-case {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  border-top: 1px solid var(--hairline);
  padding: clamp(2.5rem, 7vh, 4rem) 0;
}

.next-case > .mono { color: var(--faint); }

.next-link {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.next-link em {
  display: inline-block;
  color: var(--red);
  transition: transform 0.4s var(--ease);
}

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

.next-link:hover em { transform: translateX(6px); }

/* ---- elsewhere links -------------------------------------- */

.links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
}

.line-link {
  text-decoration: none;
  font-size: 1.05rem;
  color: var(--muted);
  background-image: linear-gradient(var(--fg), var(--fg));
  background-repeat: no-repeat;
  background-size: 0% 1px;
  background-position: 0 100%;
  transition: color 0.3s var(--ease), background-size 0.45s var(--ease);
}

.line-link:hover {
  color: var(--fg);
  background-size: 100% 1px;
}

.line-link .arrow {
  display: inline-block;
  margin-left: 0.35em;
  font-size: 0.8em;
  color: var(--faint);
  transition: transform 0.35s var(--ease), color 0.3s var(--ease);
}

.line-link:hover .arrow {
  transform: translate(2px, -2px);
  color: var(--red);
}

/* ---- timeline (about) ------------------------------------- */

.timeline { list-style: none; }

.timeline-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--hairline);
}

.timeline-row:last-child { border-bottom: 1px solid var(--hairline); }

.tl-role { color: var(--faint); padding-top: 0.45em; }

.tl-company {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.tl-now {
  color: var(--red);
  margin-left: 0.6em;
  border: 1px solid currentColor;
  border-radius: 99px;
  padding: 0.15em 0.6em;
  vertical-align: 0.2em;
}

.tl-body p {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 30rem;
}

/* ---- principles (about) ------------------------------------ */

.principles { list-style: none; display: grid; gap: 2rem; }

.principle {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
}

.p-num { color: var(--red); padding-top: 0.5em; }

.principle h3 {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.principle p {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 30rem;
}

/* ---- toolbox (about) --------------------------------------- */

.tools {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tools li {
  border: 1px solid var(--hairline);
  border-radius: 99px;
  padding: 0.45em 1em;
  color: var(--muted);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.tools li:hover {
  border-color: var(--red);
  color: var(--fg);
  transform: translateY(-2px);
}

.tools .lang-de { border-color: rgba(232, 69, 44, 0.5); color: var(--fg); }

/* ---- certifications (about) --------------------------------- */

.certs { list-style: none; }

.certs li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--hairline);
}

.certs li:last-child { border-bottom: 1px solid var(--hairline); }

.cert-name { font-weight: 500; letter-spacing: -0.01em; }

.cert-meta { color: var(--faint); white-space: nowrap; }

/* ---- CTA (about) ------------------------------------------- */

.cta {
  padding: clamp(4rem, 12vh, 7rem) 0 clamp(3rem, 8vh, 5rem);
  border-top: 1px solid var(--hairline);
  margin-top: 2rem;
}

.cta-kicker { color: var(--faint); margin-bottom: 1.25rem; }

.cta-link {
  display: inline-block;
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-decoration: none;
  transition: color 0.35s var(--ease), transform 0.5s var(--ease);
}

.cta-link em { color: var(--red); }

.cta-link:hover { transform: translateX(0.75rem); }

/* ---- inline links ------------------------------------------- */

.inline-link {
  color: var(--fg);
  text-decoration: none;
  background-image: linear-gradient(var(--red), var(--red));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 100%;
  transition: color 0.3s var(--ease);
}

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

/* ---- offers (mentoring) -------------------------------------- */

.offers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.offer {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1.75rem;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.35s var(--ease), translate 0.35s var(--ease);
}

.offer:hover { border-color: var(--red); translate: 0 -4px; }

.offer-price { color: var(--red); }

.offer h3 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.offer p { color: var(--muted); font-size: 0.95rem; flex: 1; }

.offer-cta { color: var(--faint); transition: color 0.3s var(--ease); }

.offer:hover .offer-cta { color: var(--fg); }

/* ---- testimonials (mentoring) --------------------------------- */

.quotes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem 2.5rem;
}

.quote { border-top: 1px solid var(--hairline); padding-top: 1.4rem; }

.quote blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.45;
  letter-spacing: 0.005em;
}

.quote figcaption { margin-top: 0.9rem; color: var(--faint); }

/* ---- stack list (mystack) -------------------------------------- */

.stack-list { list-style: none; }

.stack-list li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--hairline);
  align-items: baseline;
}

.stack-list li:last-child { border-bottom: 1px solid var(--hairline); }

.stack-name { font-weight: 500; letter-spacing: -0.01em; }

a.stack-name {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

a.stack-name::after {
  content: "↗";
  font-size: 0.65em;
  margin-left: 0.4em;
  color: var(--faint);
  vertical-align: 0.3em;
  display: inline-block;
  transition: color 0.3s var(--ease), transform 0.35s var(--ease);
}

a.stack-name:hover { color: var(--red); }

a.stack-name:hover::after {
  color: var(--red);
  transform: translate(2px, -2px);
}

.stack-desc { color: var(--muted); font-size: 0.95rem; max-width: 34rem; }

/* ---- work grid (work index) ------------------------------------- */

.work-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem 2rem;
  padding: clamp(1rem, 4vh, 2.5rem) 0;
}

.card { display: block; text-decoration: none; }

.card figure {
  overflow: hidden;
  border-radius: 6px;
  outline: 1px solid var(--hairline);
}

.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: scale 0.6s var(--ease);
}

.card:hover img { scale: 1.04; }

.card-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-top: 1.1rem;
}

.card-line h3 {
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: color 0.3s var(--ease);
}

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

.card-line .mono { color: var(--faint); }

.card > p { margin-top: 0.45rem; color: var(--muted); font-size: 0.95rem; max-width: 26rem; }

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

.contact-cta { border-top: none; margin-top: 0; padding-top: clamp(1rem, 4vh, 2rem); }

/* ---- footer ------------------------------------------------ */

.footer {
  max-width: var(--w);
  width: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 3.5rem) var(--gutter) 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--faint);
}

/* ---- responsive -------------------------------------------- */

@media (max-width: 600px) {
  .timeline-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .tl-role { padding-top: 0; }
  .work-line { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
  .footer { flex-direction: column; gap: 0.4rem; }
  /* descriptions always visible on touch — hover is unreliable */
  .work-desc { grid-template-rows: 1fr; }
  .work-desc > p { opacity: 1; padding-bottom: 1.1rem; }
  /* photos: full color on touch, strip stacks vertically */
  .portrait { width: 7rem; margin: 0.2rem 0 1rem 1.25rem; }
  .portrait img, .strip-item img, .avatar { filter: none; }
  .certs li { flex-direction: column; gap: 0.15rem; }
  .offers, .quotes, .work-grid { grid-template-columns: 1fr; }
  .stack-list li { grid-template-columns: 1fr; gap: 0.2rem; }
  .clock { display: none; }
  .strip { grid-template-columns: 1fr; gap: 2rem; }
  .strip-item { rotate: 0deg !important; margin-top: 0 !important; }
  .strip-item img { aspect-ratio: 4 / 3; }
}

/* ---- reduced motion ---------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-scroll], .fx-item {
    animation: none;
    transition: none;
    opacity: 1;
    transform: none;
    clip-path: none;
  }
  .headline .line > span { animation: none; transform: none; }
  .confetti, .typing::after { animation: none; }
  .egg-toast { transition: none; }
  .grain { animation: none; }
  body { transition: none; }
  .rotator, .rotator-track { transition: none; }
  .avatar.flip, .plane { animation: none; }
  html { scroll-behavior: auto; }
}