/* =====================================================================
   sections.css — one clearly marked block per section, top to bottom.
   ✏️ Safe to edit: layout, sizes and spacing inside each block.
   Colors come from tokens.css (use var(--c-text), var(--c-accent)…).
   ===================================================================== */

/* =====================================================================
   HERO (0 m · surface)
   ===================================================================== */
.zone--hero {
  padding-block: 0;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  padding-block: calc(var(--nav-height) + var(--space-7)) var(--space-8);
}

.hero__content {
  max-width: 54rem;
}

.hero__eyebrow {
  color: var(--c-accent);
}

.hero__name {
  /* The gradient only paints inside the line box, so the padding keeps
     descenders (the "g" in Tsilivigkos) fully visible. */
  margin: var(--space-3) 0 var(--space-2);
  padding-bottom: 0.14em;
  font-size: var(--step-hero);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0;
  background: linear-gradient(100deg, var(--foam) 30%, var(--glow));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.15;
  color: var(--orchid);
}

.hero__subline {
  max-width: 40rem;
  margin-top: var(--space-3);
  color: var(--c-muted);
  font-size: var(--step-1);
  line-height: 1.55;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  margin-top: var(--space-5);
}

.hero__now {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  min-height: 44px;
  align-items: center;
  border-radius: var(--radius-sm);
}

.hero__now-label {
  color: var(--c-muted);
  flex-shrink: 0;
}

.hero__now-list {
  display: grid;
  list-style: none;
  padding: 0;
}

.hero__now-item {
  grid-area: 1 / 1;
  font-weight: 500;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

.hero__now-item.is-active {
  opacity: 1;
  transform: none;
}

/* Static list (one item, or reduced motion) */
.hero__now--static {
  align-items: flex-start;
}

.hero__now--static .hero__now-item {
  grid-area: auto;
  opacity: 1;
  transform: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* Lab-instrument HUD */
.hud {
  position: absolute;
  top: calc(var(--nav-height) + var(--space-2));
  right: 0;
  display: grid;
  gap: 4px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-card);
  color: var(--c-muted);
  font-size: 0.76rem;
  pointer-events: none;
}

.hud__value {
  color: var(--c-accent);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.hud__hint {
  color: var(--c-accent);
  transition: opacity var(--dur-slow) var(--ease-out);
}

.hud__hint::before {
  content: "↳ ";
}

.hud.is-used .hud__hint {
  opacity: 0;
}

@media (min-width: 768px) {
  .hud {
    top: auto;
    bottom: var(--space-6);
  }
}

/* Ripple ring where you click */
.ripple-ring {
  position: absolute;
  z-index: var(--z-content);
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 1.5px solid var(--c-accent);
  border-radius: 50%;
  pointer-events: none;
  animation: ripple 900ms var(--ease-out) forwards;
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  min-width: 44px;
  min-height: 44px;
  color: var(--c-muted);
  text-decoration: none;
  transform: translateX(-50%);
}

.scroll-cue__bubbles {
  position: relative;
  width: 24px;
  height: 36px;
}

.scroll-cue__bubbles i {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border: 1.5px solid var(--c-accent);
  border-radius: 50%;
  animation: cue-bubble 2.4s ease-in infinite;
}

.scroll-cue__bubbles i:nth-child(2) {
  left: 30%;
  width: 6px;
  height: 6px;
  animation-delay: 0.8s;
}

.scroll-cue__bubbles i:nth-child(3) {
  left: 70%;
  width: 5px;
  height: 5px;
  animation-delay: 1.6s;
}

/* =====================================================================
   ABOUT (−40 m)
   ===================================================================== */
.about {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 880px) {
  .about {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-7);
    align-items: start;
  }
}

.about__portrait {
  width: min(100%, 26rem);
  margin-inline: auto;
}

.blob {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 5 / 6;
  overflow: hidden;
  border-radius: 58% 42% 55% 45% / 48% 58% 42% 52%;
  background: radial-gradient(circle at 30% 25%, var(--violet), var(--zone-2) 70%, var(--zone-7) 140%);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--glass-border);
  animation: membrane 16s ease-in-out infinite;
}

.blob__initials {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 800;
  color: var(--orchid);
}

.blob__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__specimen {
  display: block;
  margin-top: var(--space-3);
  color: var(--c-muted);
  text-align: center;
}

.about__text {
  display: grid;
  gap: var(--space-3);
}

.about__para:first-child {
  font-size: var(--step-1);
  line-height: 1.5;
}

.facts {
  margin-top: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-card);
}

.facts__title {
  margin-bottom: var(--space-3);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: var(--mono-size);
  font-weight: 500;
}

.facts__list {
  display: grid;
  gap: var(--space-2);
}

.facts__row {
  display: grid;
  gap: 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px dashed var(--c-border);
}

.facts__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

@media (min-width: 560px) {
  .facts__row {
    grid-template-columns: 9rem 1fr;
  }
}

.facts__row dt {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-top: 0.2em;
}

.facts__row dd {
  margin: 0;
  font-weight: 500;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-7);
  list-style: none;
  padding: 0;
}

@media (min-width: 768px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-card);
}

.stat__value {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 600;
  line-height: 1;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  color: var(--c-muted);
  font-size: 0.95rem;
}

/* =====================================================================
   RESEARCH (−150 m) — specimen label cards
   ===================================================================== */
.specimens {
  display: grid;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}

@media (min-width: 768px) {
  .specimens {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .specimens {
    grid-template-columns: repeat(3, 1fr);
  }
}

.specimen--violet { --stain: var(--violet); }
.specimen--teal { --stain: var(--plankton-3); }
.specimen--green { --stain: var(--plankton-1); }
.specimen--coral { --stain: var(--coral-strong); }

.specimen__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  height: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 8px);
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}

/* The colored "stain" stripe on the left edge */
.specimen__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--stain);
  opacity: 0.4;
  transition: opacity var(--dur-med) var(--ease-out);
}

.specimen__card:hover,
.specimen__card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.specimen__card:hover::before,
.specimen__card:focus-within::before {
  opacity: 1;
}

.specimen__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-1);
  border-bottom: 1px dashed var(--c-border);
  color: var(--c-muted);
}

.specimen__title {
  font-size: var(--step-2);
}

.specimen__inst {
  font-weight: 600;
}

.specimen__meta {
  color: var(--c-muted);
  text-transform: none;
}

.specimen__note {
  color: var(--c-muted);
}

.specimen__details {
  margin-top: auto;
  padding-top: var(--space-2);
}

.specimen__summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  color: var(--c-accent);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.specimen__summary::-webkit-details-marker {
  display: none;
}

.specimen__summary::before {
  content: "+";
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-family: var(--font-mono);
  line-height: 1;
  transition: transform var(--dur-med) var(--ease-out);
}

.specimen__details[open] .specimen__summary::before {
  transform: rotate(45deg);
}

.specimen__drawer {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-2);
}

.specimen__label {
  display: block;
  color: var(--c-muted);
  margin-bottom: 2px;
}

/* =====================================================================
   JOURNEY (−400 m) — nautical chart
   ===================================================================== */
.journey {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .journey {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

.chart {
  margin: 0;
}

.chart__frame {
  position: relative;
  width: 100%;
  max-width: 44rem;
  margin-inline: auto;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--glass);
}

.chart__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

#chart-dots circle {
  fill: var(--foam);
  opacity: 0.16;
}

.chart__graticule line {
  stroke: var(--foam);
  stroke-width: 1;
  opacity: 0.1;
}

.chart__graticule text,
.chart__inset-label {
  fill: var(--foam-muted);
  font-family: var(--font-mono);
  font-size: 14px;
  opacity: 0.8;
}

.chart__route {
  fill: none;
  stroke: var(--glow);
  stroke-width: 3;
  stroke-dasharray: 9 9;
  stroke-linecap: round;
}

.chart__route-reveal {
  fill: none;
  stroke: var(--white);
  stroke-width: 16;
}

.chart__inset-marker,
.chart__leader {
  fill: none;
  stroke: var(--foam-muted);
  stroke-width: 1.5;
  stroke-dasharray: 4 5;
  opacity: 0.6;
}

.chart__inset-bg {
  fill: var(--zone-6);
  fill-opacity: 0.7;
  stroke: var(--glass-border);
  stroke-width: 1.5;
}

.chart__inset-route {
  fill: none;
  stroke: var(--glow);
  stroke-width: 2.5;
  stroke-dasharray: 6 7;
  opacity: 0.75;
}

.chart__mini-dot {
  fill: var(--glow);
  opacity: 0.8;
}

/* The rider: a peach badge that stays upright and faces the way it rides */
.chart__bike-halo {
  fill: var(--coral);
  opacity: 0.22;
  transform-box: fill-box;
  transform-origin: center;
  animation: halo 2.6s ease-in-out infinite;
}

.chart__bike-disc {
  fill: var(--coral);
  stroke: var(--foam);
  stroke-width: 2.5;
}

.chart__bike-art {
  color: var(--ink);
  fill: none;
  stroke: var(--ink);
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Solid parts of icons (tank, seat, engine, headlamp) */
.ic-fill {
  fill: currentColor;
}

/* Map pins (real buttons, positioned over the SVG) */
.pin {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.pin__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 0 4px var(--glow-soft);
  animation: pin-pulse 2.8s var(--ease-out) infinite;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.pin__label {
  position: absolute;
  top: 50%;
  left: calc(50% + 12px);
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--glass-strong);
  color: var(--foam);
  font-size: 0.76rem;
  white-space: nowrap;
  transform: translateY(-50%);
  pointer-events: none;
}

.pin--left .pin__label {
  left: auto;
  right: calc(50% + 12px);
}

.pin:hover .pin__dot,
.pin.is-open .pin__dot,
.pin.is-linked .pin__dot {
  background: var(--coral);
  box-shadow: 0 0 0 6px var(--coral-soft);
}

.pin.is-open,
.pin:hover {
  z-index: 3;
}

.pin-pop {
  --tx: -50%;
  --ty: calc(-100% - 26px);
  position: absolute;
  z-index: 6;
  width: min(16rem, 70vw);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: var(--pop-bg);
  color: var(--foam);
  box-shadow: var(--shadow-lg);
  transform: translate(var(--tx), var(--ty));
  pointer-events: none;
}

.pin-pop--below { --ty: 26px; }
.pin-pop--start { --tx: -14%; }
.pin-pop--end { --tx: -86%; }

.pin-pop__place {
  font-weight: 600;
}

.pin-pop__date {
  color: var(--glow);
  text-transform: none;
}

.pin-pop__text {
  margin-top: 2px;
  color: var(--foam-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.journey__heading {
  margin: 0 0 var(--space-3);
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: var(--mono-size);
  font-weight: 500;
}

.journey__heading:not(:first-child) {
  margin-top: var(--space-6);
}

.programs {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
}

.program {
  display: grid;
  gap: var(--space-2);
  transition: border-color var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}

.program.is-linked,
.program:hover {
  border-color: var(--glow);
  box-shadow: var(--shadow-glow);
}

.program__title {
  font-size: var(--step-1);
  line-height: 1.25;
}

.program__where {
  color: var(--glow);
  text-transform: none;
}

.program__text {
  color: var(--c-muted);
}

.program__label {
  margin-top: var(--space-2);
  color: var(--c-muted);
}

.route-log {
  list-style: none;
  padding: 0;
}

.route-log__item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-top: 1px dashed var(--c-border);
}

.route-log__n {
  color: var(--c-accent);
  padding-top: 0.2em;
}

.route-log__place {
  font-weight: 600;
}

.route-log__date {
  margin-left: var(--space-2);
  color: var(--c-muted);
  font-weight: 400;
  text-transform: none;
}

.route-log__text {
  color: var(--c-muted);
  font-size: 0.94rem;
}

/* =====================================================================
   SKILLS (−800 m) — the lab bench
   ===================================================================== */
.skills {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .skills {
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
  }
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-border);
}

.tabs__tab {
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--c-muted);
  font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.tabs__tab:hover {
  color: var(--c-text);
}

.tabs__tab[aria-selected="true"] {
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
  color: var(--c-accent);
}

.tabs__panel {
  padding-top: var(--space-4);
  border-radius: var(--radius-sm);
}

.growth {
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.growth__svg {
  width: 100%;
  overflow: visible;
}

.growth__axis {
  fill: none;
  stroke: var(--c-muted);
  stroke-width: 1.5;
}

.growth__divider {
  fill: none;
  stroke: var(--c-muted);
  stroke-dasharray: 3 6;
  opacity: 0.5;
}

.growth__curve {
  fill: none;
  stroke: var(--glow);
  stroke-width: 3.5;
  stroke-linecap: round;
}

.growth__phase {
  fill: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.growth__dot {
  fill: var(--glow);
}

.growth__halo {
  fill: var(--glow);
  opacity: 0.25;
  transform-box: fill-box;
  transform-origin: center;
  animation: halo 2.6s ease-in-out infinite;
}

.growth__caption {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--glow);
  text-transform: none;
}

.growth__caption-dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: var(--shadow-glow);
}

.learning {
  margin-top: var(--space-6);
}

.learning__title {
  margin-bottom: var(--space-3);
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: var(--mono-size);
  font-weight: 500;
}

/* =====================================================================
   EXPERIENCE (−1,200 m) — timeline
   ===================================================================== */
.timeline {
  position: relative;
  max-width: 48rem;
  padding-left: var(--space-6);
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 0.9rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--glow), var(--glow-soft));
}

.timeline__item {
  position: relative;
}

.timeline__item + .timeline__item {
  margin-top: var(--space-4);
}

.timeline__node {
  position: absolute;
  top: 1.75rem;
  left: calc(-1 * var(--space-6) + 0.9rem - 7px);
  width: 16px;
  height: 16px;
  border: 2px solid var(--glow);
  border-radius: 50%;
  background: var(--zone-5);
  box-shadow: var(--shadow-glow);
}

.timeline__card {
  display: grid;
  gap: var(--space-2);
}

.timeline__dates {
  color: var(--c-accent);
  text-transform: none;
}

.timeline__role {
  font-size: var(--step-2);
}

.timeline__venues {
  font-weight: 600;
}

.timeline__category {
  color: var(--c-muted);
}

.timeline__bullets {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-2);
  padding-left: 1.2em;
  color: var(--c-muted);
}

.timeline__bullets li::marker {
  color: var(--glow);
}

/* =====================================================================
   BEYOND THE LAB (−2,500 m) — flip cards
   ===================================================================== */
.interests {
  display: grid;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}

@media (min-width: 600px) {
  .interests {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .interests {
    grid-template-columns: repeat(3, 1fr);
  }
}

.flip-card {
  position: relative;
  min-height: 18.5rem;
  perspective: 1200px;
}

.flip-card__toggle {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: var(--radius-lg);
}

.flip-card__inner {
  position: relative;
  height: 100%;
  min-height: inherit;
  transform-style: preserve-3d;
  transition: transform var(--dur-slow) var(--ease-out);
}

.flip-card.is-flipped .flip-card__inner {
  transform: rotateY(180deg);
}

.flip-card__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--glass-solid);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

@media (min-width: 768px) {
  .flip-card__face {
    background: var(--glass);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}

/* Soft glow that follows the pointer (position set by beyond.js) */
.flip-card__face::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(15rem circle at var(--mx, 50%) var(--my, 0%), var(--glow-soft), transparent 70%);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out);
  pointer-events: none;
}

.flip-card:hover .flip-card__face::before,
.flip-card:focus-within .flip-card__face::before {
  opacity: 1;
}

.flip-card__back {
  transform: rotateY(180deg);
}

.flip-card:focus-within .flip-card__face {
  border-color: var(--glow);
}

.flip-card__icon {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: var(--space-2);
  color: var(--glow);
}

.flip-card__icon .icon {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.flip-card__title {
  font-size: var(--step-2);
}

.flip-card__front-text {
  color: var(--c-muted);
}

.flip-card__hint {
  margin-top: auto;
  color: var(--c-muted);
  font-size: 0.76rem;
}

.flip-card__back-title {
  color: var(--glow);
}

.flip-card__back-text {
  font-size: 0.97rem;
  line-height: 1.55;
}

.flip-card__link {
  position: relative;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: auto;
  color: var(--glow);
  font-weight: 600;
}

.flip-card:not(.is-flipped) .flip-card__link {
  pointer-events: none;
}

/* Once flipped, the back face sits on top so its link can be clicked
   (a click anywhere else on the card flips it back — see beyond.js). */
.flip-card.is-flipped .flip-card__toggle {
  z-index: 1;
}

.flip-card.is-flipped .flip-card__inner {
  z-index: 2;
  cursor: pointer;
}

.flip-card:has(.flip-card__toggle:focus-visible) .flip-card__face {
  outline: 2px solid var(--c-focus);
  outline-offset: 3px;
}

/* --- Icon micro-animations (hover or keyboard focus) --- */
.icon .ic-wheel,
.icon .ic-blades,
.icon .ic-aperture,
.icon .ic-knight,
.icon .ic-bar {
  transform-box: fill-box;
  transform-origin: center;
}

.icon--motorcycle {
  transition: transform var(--dur-slow) var(--ease-out);
}

.flip-card:is(:hover, :focus-within) .icon--motorcycle {
  transform: translateX(8px);
}

.flip-card:is(:hover, :focus-within) .ic-wheel {
  animation: spin 0.7s linear infinite;
}

.flip-card:is(:hover, :focus-within) .ic-knight {
  animation: knight-hop 1.1s var(--ease-out);
}

.flip-card:is(:hover, :focus-within) .ic-bar {
  animation: lift 0.9s ease-in-out infinite alternate;
}

.ic-flash {
  fill: var(--white);
  opacity: 0;
}

.flip-card:is(:hover, :focus-within) .ic-aperture {
  animation: aperture 0.6s var(--ease-out);
}

.flip-card:is(:hover, :focus-within) .ic-flash {
  animation: flash 0.6s var(--ease-out);
}

.flip-card:is(:hover, :focus-within) .ic-blades {
  animation: spin 0.5s linear infinite;
}

.ic-line {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}

.flip-card:is(:hover, :focus-within) .ic-line {
  animation: draw-line 1s var(--ease-out);
}

/* =====================================================================
   GALLERY (−3,500 m) — field notes
   ===================================================================== */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.masonry {
  columns: 1;
  column-gap: var(--space-3);
  list-style: none;
  padding: 0;
}

@media (min-width: 600px) {
  .masonry {
    columns: 2;
  }
}

@media (min-width: 1000px) {
  .masonry {
    columns: 3;
  }
}

.masonry__item {
  break-inside: avoid;
  margin-bottom: var(--space-3);
}

.photo {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.photo img {
  width: 100%;
  transition: transform var(--dur-slow) var(--ease-out);
}

.photo:hover img {
  transform: scale(1.03);
}

.photo__caption {
  position: absolute;
  inset: auto 0 0;
  padding: var(--space-5) var(--space-3) var(--space-2);
  background: linear-gradient(to top, var(--scrim), transparent);
  color: var(--foam);
  font-size: 0.88rem;
  text-align: left;
}

.photo--placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1.5px dashed var(--glass-border);
  background: linear-gradient(135deg, var(--zone-4), var(--zone-6));
  color: var(--foam-muted);
  text-align: center;
}

.photo--placeholder .icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--glow);
}

/* =====================================================================
   CONTACT (−4,000 m) — the seafloor
   ===================================================================== */
.zone--contact {
  padding-bottom: var(--space-9);
}

/* A soft seafloor silhouette */
.zone--contact::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 5rem;
  background:
    radial-gradient(60% 100% at 20% 100%, var(--zone-5) 0 60%, transparent 61%),
    radial-gradient(50% 90% at 75% 100%, var(--zone-6) 0 60%, transparent 61%);
  opacity: 0.8;
  pointer-events: none;
}

.contact {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 900px) {
  .contact {
    grid-template-columns: 1.4fr 1fr;
  }
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.contact__email {
  margin-top: var(--space-3);
  color: var(--c-muted);
  text-transform: none;
}

.contact__fish {
  width: min(100%, 22rem);
  margin-inline: auto;
}

.angler {
  --lure: 0.3;
  width: 100%;
  overflow: visible;
}

.angler__body {
  fill: var(--zone-5);
  stroke: var(--foam-muted);
  stroke-width: 2;
  stroke-linejoin: round;
}

.angler__mouth,
.angler__fin,
.angler__stalk {
  fill: none;
  stroke: var(--foam-muted);
  stroke-width: 2;
  stroke-linecap: round;
}

.angler__teeth {
  fill: none;
  stroke: var(--foam);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.angler__eye {
  fill: var(--foam);
}

.angler__pupil {
  fill: var(--zone-7);
}

.angler__lure {
  transform-box: view-box;
  animation: bob 3.2s ease-in-out infinite alternate;
}

.angler__bulb {
  fill: var(--glow);
  opacity: calc(0.55 + var(--lure) * 0.45);
}

.angler__halo {
  fill: var(--glow);
  opacity: calc(0.08 + var(--lure) * 0.5);
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(calc(0.8 + var(--lure) * 0.8));
  transition: opacity var(--dur-fast) linear, transform var(--dur-fast) linear;
}

.contact-form {
  display: grid;
  gap: var(--space-3);
  max-width: 34rem;
  margin-top: var(--space-6);
}

.contact-form__title {
  font-size: var(--step-2);
}

.contact-form__status[data-state="success"] {
  color: var(--glow);
}

.contact-form__status[data-state="error"] {
  color: var(--coral);
}

/* =====================================================================
   CULTURE LAB (−600 m) — mini-game
   ===================================================================== */
.lab {
  --growth: 0;
  --light: 0.1;
  --heat: 0.25;
  display: grid;
  gap: var(--space-5);
  padding: var(--space-4);
}

@media (min-width: 900px) {
  .lab {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: center;
    padding: var(--space-5);
  }
}

.lab__stage {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
}

.flask {
  width: min(100%, 17rem);
  overflow: visible;
}

.flask__beam {
  fill: var(--orchid);
  opacity: calc(var(--light) * 0.45);
  transition: opacity var(--dur-med) var(--ease-out);
}

.flask__lamp-body {
  fill: var(--foam-muted);
}

.flask__medium {
  fill: var(--medium);
  opacity: 0.35;
}

/* The culture turns greener as it grows */
.flask__bloom {
  fill: var(--bloom);
  opacity: calc(var(--growth) * 0.9);
  transition: opacity var(--dur-med) var(--ease-out);
}

.flask__cell {
  fill: var(--chlorophyll);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity var(--dur-slow) var(--ease-out);
}

.flask__cell.is-alive {
  opacity: 0.9;
}

.lab.is-running .flask__cell.is-alive {
  animation: bob 2.4s ease-in-out infinite alternate;
  animation-delay: calc(var(--i) * -170ms);
}

.flask__glass,
.flask__rim {
  fill: none;
  stroke: var(--foam);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.flask__marks {
  fill: none;
  stroke: var(--foam-muted);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.7;
}

.lab__hint {
  min-height: 3em;
  max-width: 22rem;
  color: var(--c-muted);
  text-align: center;
}

.lab__hint.is-important {
  color: var(--glow);
  font-weight: 700;
}

.lab__panel {
  display: grid;
  gap: var(--space-4);
}

.lab__readouts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

@media (min-width: 560px) {
  .lab__readouts {
    grid-template-columns: repeat(4, 1fr);
  }
}

.readout {
  display: grid;
  align-content: start;
  gap: 2px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}

.readout__key,
.lab__nutrients .readout__key {
  color: var(--c-muted);
  font-size: 0.74rem;
}

.readout__value {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.readout__value--phase {
  font-size: var(--step-1);
  color: var(--c-accent);
}

.readout__unit {
  color: var(--c-muted);
  font-size: 0.7rem;
  text-transform: none;
}

.lab__nutrients {
  display: grid;
  gap: var(--space-1);
}

.meter {
  display: block;
  height: 10px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--c-accent-soft);
}

.meter__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--chlorophyll), var(--glow));
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-out);
}

.lab-slider {
  display: grid;
  gap: var(--space-2);
}

.lab-slider__label {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  font-weight: 700;
}

.lab-slider__value {
  color: var(--c-accent);
  text-transform: none;
}

/* Rounded range sliders */
.lab-slider__input {
  width: 100%;
  height: 44px;
  background: transparent;
  accent-color: var(--glow);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.lab-slider__input::-webkit-slider-runnable-track {
  height: 10px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--orchid), var(--glow));
  opacity: 0.85;
}

.lab-slider__input::-moz-range-track {
  height: 10px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--orchid), var(--glow));
}

.lab-slider__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin-top: -8px;
  border: 3px solid var(--zone-5);
  border-radius: 50%;
  background: var(--foam);
  box-shadow: var(--shadow-glow);
}

.lab-slider__input::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border: 3px solid var(--zone-5);
  border-radius: 50%;
  background: var(--foam);
}

.lab__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.lab__chart {
  margin: 0;
}

.lab__chart svg {
  width: 100%;
}

.lab__axis {
  fill: none;
  stroke: var(--c-muted);
  stroke-width: 1.5;
}

.lab__target {
  fill: none;
  stroke: var(--coral);
  stroke-width: 1.5;
  stroke-dasharray: 5 6;
}

.lab__target-label {
  fill: var(--coral);
  font-family: var(--font-mono);
  font-size: 11px;
}

.lab__curve {
  fill: none;
  stroke: var(--glow);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lab__best {
  margin-top: var(--space-2);
  color: var(--c-muted);
  text-transform: none;
}

/* =====================================================================
   CREDENTIALS (−1,500 m) — holographic certificate cards + logos
   ===================================================================== */
.creds {
  display: grid;
  gap: var(--space-6);
}

.cred {
  display: grid;
  gap: var(--space-5);
  align-items: start;
}

@media (min-width: 960px) {
  .cred {
    grid-template-columns: 1fr 1fr;
  }
}

/* The pass itself: a pearly card with a moving holographic shine */
.pass {
  --rx: 0deg;
  --ry: 0deg;
  --sx: 30%;
  --sy: 20%;
  position: relative;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 0% 0%, var(--pearl-1), transparent 60%),
    linear-gradient(145deg, var(--pearl-0), var(--pearl-2));
  color: var(--ink);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--glass-border);
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform var(--dur-med) var(--ease-out);
}

.pass__shine {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--sx) var(--sy), rgb(255 255 255 / 0.55), transparent 40%),
    linear-gradient(115deg, transparent 25%, var(--glow-soft) 40%, rgb(205 184 245 / 0.35) 50%, var(--glow-soft) 60%, transparent 75%);
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.pass > *:not(.pass__shine) {
  position: relative;
}

.pass__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.pass__kind {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--violet);
  text-transform: none;
}

.pass__kind-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.pass__seal {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--violet);
  stroke-width: 1.6;
  opacity: 0.75;
  animation: spin 24s linear infinite;
}

.pass__title {
  font-size: var(--step-3);
  color: var(--ink);
}

.pass__rows {
  display: grid;
  gap: var(--space-2);
}

.pass__row {
  display: grid;
  gap: 0 var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--card-light-border);
}

@media (min-width: 520px) {
  .pass__row {
    grid-template-columns: 8.5rem 1fr;
  }
}

.pass__row dt {
  color: var(--ink-muted);
  font-size: 0.76rem;
  padding-top: 0.2em;
}

.pass__row dd {
  margin: 0;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.cred__side {
  display: grid;
  gap: var(--space-4);
}

.cred__summary {
  font-size: var(--step-1);
  line-height: 1.55;
}

.cred__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.cred__heading,
.logos__heading {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: var(--mono-size);
  font-weight: 500;
}

.competences {
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 600px) {
  .competences {
    grid-template-columns: 1fr 1fr;
  }
}

.competence {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-card);
}

.competence[open] {
  border-color: var(--c-accent);
}

.competence__name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-2) var(--space-3);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.competence__name::-webkit-details-marker {
  display: none;
}

.competence__name::after {
  content: "+";
  flex-shrink: 0;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  transition: transform var(--dur-med) var(--ease-out);
}

.competence[open] .competence__name::after {
  transform: rotate(45deg);
}

.competence__text {
  padding: 0 var(--space-3) var(--space-3);
  color: var(--c-muted);
  font-size: 0.95rem;
}

/* Logos sit on light "paper" tiles so every logo keeps its own colors */
/* The logo strip now lives at the top of the footer (end of the page) */
.logos {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--glass-border);
}

.logos__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.logos__item a,
.logos__item > img {
  display: block;
}

.logos__item img {
  width: auto;
  height: 96px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-md);
  object-fit: contain;
  transition: transform var(--dur-med) var(--ease-out);
}

.logos__item a:hover img {
  transform: translateY(-3px);
}