/* Research page — neo-brutalist theme (neo-styles.css variables) */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.research-page {
  --rs-deep: #2f114a;
  --rs-deep-2: #4b1f73;
  --rs-soft-1: #b57af3;
  --rs-signal: #b5179e;
  --rs-shadow-hard: color-mix(in srgb, var(--border) 88%, var(--primary));
  margin: 1.5rem auto 1.2rem;
  width: min(1200px, calc(100% - 2rem));
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.rs-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.rs-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— Hero —— Framed card + bold offset shadows (Impact / News parity) */
.rs-hero {
  position: relative;
  margin: 0 0 clamp(2rem, 4vw, 2.75rem);
  padding: 0;
  overflow: hidden;
  border: var(--border-width) solid var(--border);
  border-radius: 18px;
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-hero {
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.52);
}

.rs-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 65% 50% at 15% 20%, rgba(155, 93, 229, 0.4) 0%, transparent 55%),
    radial-gradient(ellipse 55% 48% at 90% 70%, rgba(102, 217, 239, 0.22) 0%, transparent 52%),
    radial-gradient(ellipse 45% 40% at 50% 100%, rgba(181, 23, 158, 0.15) 0%, transparent 48%),
    linear-gradient(165deg, rgba(250, 247, 255, 0.98) 0%, rgba(230, 210, 255, 0.5) 45%, rgba(210, 175, 255, 0.42) 100%);
}

body[data-theme='dark'] .rs-hero__bg {
  background:
    radial-gradient(ellipse 60% 48% at 18% 24%, rgba(155, 93, 229, 0.26) 0%, transparent 54%),
    radial-gradient(ellipse 50% 42% at 85% 75%, rgba(102, 217, 239, 0.12) 0%, transparent 50%),
    linear-gradient(170deg, #1a0f2e 0%, #120a1f 55%, #0a0514 100%);
}

.rs-hero__pattern {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.065;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 26px 26px;
}

body[data-theme='dark'] .rs-hero__pattern {
  opacity: 0.1;
}

/* Monitor-style lines at hero bottom (Impact / News parity: sine + EKG) */
.rs-hero__monitor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  height: clamp(76px, 11vw, 118px);
  padding: 0 0 0.65rem;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
}

.rs-monitor__sine-wrap,
.rs-monitor__ekg-wrap {
  overflow: hidden;
  width: 100%;
  flex: 0 0 auto;
}

.rs-monitor__sine-wrap {
  height: clamp(28px, 4.5vw, 40px);
  color: color-mix(in srgb, var(--rs-deep-2) 82%, var(--rs-soft-1));
  opacity: 0.88;
}

.rs-monitor__sine {
  width: 200%;
  height: 100%;
  display: block;
  animation: rsSineFlow 22s linear infinite;
}

.rs-monitor__ekg-wrap {
  height: clamp(30px, 4.8vw, 44px);
  color: var(--rs-deep);
  opacity: 0.92;
}

body[data-theme='dark'] .rs-monitor__sine-wrap {
  color: color-mix(in srgb, #c4b5fd 55%, var(--rs-soft-1));
  opacity: 0.75;
}

body[data-theme='dark'] .rs-monitor__ekg-wrap {
  color: rgba(255, 255, 255, 0.72);
  opacity: 0.88;
}

.rs-monitor__ekg {
  width: 200%;
  height: 100%;
  display: block;
  animation: rsEkgSlide 10s linear infinite;
}

@keyframes rsSineFlow {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes rsEkgSlide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.rs-hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(102, 217, 239, 0.5) 0%, transparent 42%),
    radial-gradient(circle at 78% 55%, rgba(155, 93, 229, 0.45) 0%, transparent 38%);
}

body[data-theme='dark'] .rs-hero__grid {
  opacity: 0.09;
}

.rs-hero__deco {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  color: var(--rs-deep);
  pointer-events: none;
  border: var(--border-width) solid var(--border);
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 6px 6px 0 var(--rs-shadow-hard);
  backdrop-filter: blur(6px);
}

body[data-theme='dark'] .rs-hero__deco {
  color: #e8d4ff;
  background: rgba(36, 19, 58, 0.55);
}

.rs-hero__deco--flask {
  top: 14%;
  right: 7%;
  width: 72px;
  height: 72px;
  border-radius: 16px;
  font-size: 1.65rem;
  animation: rsFloat 7.5s ease-in-out infinite;
}

.rs-hero__deco--atom {
  bottom: 16%;
  left: 5%;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  font-size: 1.25rem;
  animation: rsFloat 6s ease-in-out infinite 0.4s;
}

@keyframes rsFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(5deg);
  }
}

.rs-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 62rem;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.1rem) 1.25rem clamp(2rem, 5vw, 3.25rem);
  text-align: center;
}

.rs-hero__badge {
  display: inline-block;
  margin-bottom: 0.95rem;
  padding: 0.32rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(255, 255, 255, 0.58);
  border: var(--border-width) solid var(--border);
  border-radius: 999px;
  box-shadow: 5px 5px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-hero__badge {
  background: rgba(32, 18, 54, 0.82);
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.48);
}

.rs-hero__title {
  margin: 0 0 0.85rem;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.35rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
}

.rs-hero__lead {
  margin: 0 auto 1.35rem;
  max-width: 40rem;
  font-size: clamp(1rem, 2.1vw, 1.12rem);
  line-height: 1.65;
  font-weight: 600;
  color: var(--text);
  opacity: 0.9;
}

.rs-kpi-grid {
  margin: 1.35rem auto 0;
  max-width: 62rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.rs-kpi-card {
  border: var(--border-width) solid var(--border);
  border-radius: 14px;
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  background: rgba(255, 255, 255, 0.62);
  padding: 0.95rem 1rem;
  text-align: center;
  backdrop-filter: blur(8px);
  transform: translateZ(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.rs-kpi-card:hover {
  transform: translate(2px, 2px);
  box-shadow: 6px 6px 0 var(--rs-shadow-hard);
  filter: brightness(1.04);
}

body[data-theme='dark'] .rs-kpi-card {
  background: rgba(36, 19, 58, 0.78);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.5);
}

body[data-theme='dark'] .rs-kpi-card:hover {
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
}

.rs-kpi-card__value {
  display: block;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.1;
  color: color-mix(in srgb, var(--primary) 72%, var(--text));
}

.rs-kpi-card__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.88rem;
  font-weight: 700;
  opacity: 0.88;
}

@media (max-width: 900px) {
  .rs-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .rs-kpi-grid {
    grid-template-columns: 1fr;
  }
}

.rs-hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.rs-hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  font-weight: 800;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--text);
  background: var(--white);
  border: var(--border-width) solid var(--border);
  border-radius: 12px;
  box-shadow: 5px 5px 0 var(--rs-shadow-hard);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.rs-hero__cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 6px 6px 0 var(--rs-shadow-hard);
  filter: brightness(1.02);
}

.rs-hero__cta--primary {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 38%, #fff), var(--accent));
  color: var(--text);
}

.rs-hero__cta:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

/* —— Body shell —— */
.rs-body {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
  counter-reset: rs-chapter;
}

.rs-section {
  margin-bottom: clamp(2.25rem, 4.5vw, 3rem);
}

.rs-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 0;
  margin-bottom: 3.4rem;
  padding-bottom: 0.65rem;
  border-bottom: 2px dashed color-mix(in srgb, var(--primary) 22%, var(--border));
}

.rs-section__head::before {
  grid-column: 1;
  grid-row: 1;
  counter-increment: rs-chapter;
  content: counter(rs-chapter, decimal-leading-zero);
  font-family: 'Baloo Da 2', sans-serif;
  font-weight: 800;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  line-height: 1;
  padding: 0.5rem 0.4rem 0.4rem;
  min-width: 2.6rem;
  text-align: center;
  color: #fff;
  background: linear-gradient(
    155deg,
    var(--rs-signal) 0%,
    color-mix(in srgb, var(--primary) 35%, var(--rs-signal)) 100%
  );
  border: var(--border-width) solid var(--border);
  border-radius: 16px 8px 16px 8px;
  box-shadow: 4px 4px 0 var(--border);
  align-self: center;
}

body[data-theme='dark'] .rs-section__head::before {
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--rs-signal) 92%, #fff) 0%,
    color-mix(in srgb, var(--primary) 40%, var(--rs-signal)) 100%
  );
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.45);
}

.rs-section__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  justify-self: start;
  min-width: 0;
  padding: 0.52rem 0.95rem;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #1f1235;
  background: var(--rs-soft-1);
  border: var(--border-width) solid var(--rs-deep-2);
  border-radius: 10px;
  box-shadow: 3px 3px 0 var(--rs-deep);
}

body[data-theme='dark'] .research-page .rs-section__title {
  color: #ffffff !important;
}

.rs-section__meta {
  grid-column: 3;
  grid-row: 1;
  margin: 0;
  justify-self: end;
  max-width: min(100%, 22rem);
  text-align: right;
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1.45;
  opacity: 0.78;
  color: var(--text);
}

.rs-section__head--center {
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
  justify-items: center;
  text-align: center;
}

.rs-section__head--center::before {
  grid-column: 1;
  grid-row: 1;
}

.rs-section__head--center .rs-section__title {
  grid-column: 1;
  grid-row: 2;
  justify-self: center;
}

.rs-section__head--center .rs-section__meta {
  grid-column: 1;
  grid-row: 3;
  justify-self: center;
  max-width: min(100%, 40rem);
  text-align: center;
}

@media (max-width: 720px) {
  .rs-section__head:not(.rs-section__head--center) {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    align-items: start;
  }

  .rs-section__head:not(.rs-section__head--center)::before {
    grid-column: 1;
    grid-row: 1;
  }

  .rs-section__head:not(.rs-section__head--center) .rs-section__title {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }

  .rs-section__head:not(.rs-section__head--center) .rs-section__meta {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
    max-width: none;
    text-align: left;
  }
}

/* —— Research areas —— */
.rs-areas__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}

.rs-area-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1rem, 2.2vw, 1.25rem);
  text-align: left;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.92), rgba(245, 238, 255, 0.78)),
    var(--bg);
  border: var(--border-width) solid color-mix(in srgb, var(--primary) 35%, var(--border));
  border-radius: 16px;
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rs-area-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-area-card {
  background:
    linear-gradient(168deg, rgba(42, 28, 68, 0.9), rgba(24, 14, 40, 0.88)),
    var(--bg);
}

.rs-area-card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  color: var(--rs-deep);
  background: linear-gradient(145deg, var(--accent), color-mix(in srgb, var(--primary) 25%, var(--accent)));
  border: var(--border-width) solid var(--border);
  border-radius: 14px;
  box-shadow: 5px 5px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-area-card__icon {
  color: #f3e8ff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 45%, #1a0f2e), rgba(40, 24, 62, 0.95));
}

.rs-area-card__title {
  margin: 0;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text);
}

.rs-area-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
  opacity: 0.88;
}

/* —— Project filter —— */
.rs-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 1rem;
}

.rs-filter > span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.82;
  margin-right: 0.25rem;
}

.rs-filter__btn {
  padding: 0.38rem 0.82rem;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
  color: var(--text);
  background: var(--white);
  border: var(--border-width) solid var(--border);
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--rs-shadow-hard);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.rs-filter__btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 var(--rs-shadow-hard);
}

.rs-filter__btn[aria-pressed='true'] {
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--pink) 30%, var(--primary)));
  color: #fff;
  box-shadow: 5px 5px 0 var(--rs-shadow-hard);
}

.rs-filter__btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.rs-project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}

.rs-project-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1rem, 2.2vw, 1.2rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 242, 255, 0.82)),
    var(--bg);
  border: var(--border-width) solid var(--border);
  border-radius: 16px;
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rs-project-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-project-card {
  background:
    linear-gradient(180deg, rgba(38, 24, 60, 0.92), rgba(22, 12, 38, 0.88)),
    var(--bg);
}

.rs-project-card--past {
  border-style: solid;
  border-color: color-mix(in srgb, var(--border) 75%, var(--text));
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  opacity: 0.96;
}

body[data-theme='dark'] .rs-project-card--past {
  opacity: 0.94;
}

.rs-project-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.rs-project-card__badge {
  padding: 0.2rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.65);
}

.rs-project-card__badge--ongoing {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 35%, #fff), var(--accent));
}

.rs-project-card__badge--funded {
  background: color-mix(in srgb, #ffd93d 55%, var(--accent));
}

.rs-project-card__badge--done {
  background: color-mix(in srgb, var(--accent) 40%, var(--white));
}

body[data-theme='dark'] .rs-project-card__badge {
  background: rgba(20, 10, 36, 0.75);
}

.rs-project-card__title {
  margin: 0;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
}

.rs-project-card__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid color-mix(in srgb, var(--primary) 45%, transparent);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.rs-project-card__title a:hover {
  border-bottom-color: var(--primary);
}

.rs-project-card__text {
  margin: 0;
  flex: 1;
  font-size: 0.86rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
  opacity: 0.88;
}

.rs-project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.rs-project-card__tag {
  padding: 0.18rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  border: 2px solid color-mix(in srgb, var(--border) 85%, var(--primary));
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.5);
}

body[data-theme='dark'] .rs-project-card__tag {
  background: rgba(16, 8, 32, 0.6);
}

/* —— Full-width section line (after Past projects): track + #B5179E sweep —— */
.rs-divider--line {
  width: 100%;
  height: 3px;
  margin: clamp(1.35rem, 3.2vw, 2.1rem) 0 clamp(1.1rem, 2.8vw, 1.75rem);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 14%, transparent);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--primary) 10%, transparent),
    color-mix(in srgb, var(--primary) 22%, transparent),
    color-mix(in srgb, var(--primary) 10%, transparent)
  );
}

.rs-divider--line::after {
  content: '';
  position: absolute;
  top: 0;
  width: 34%;
  height: 100%;
  border-radius: inherit;
  left: -34%;
  will-change: left;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(181, 23, 158, 0.12) 22%,
    rgba(181, 23, 158, 0.72) 44%,
    color-mix(in srgb, #b5179e 88%, #fff) 50%,
    rgba(181, 23, 158, 0.72) 56%,
    rgba(181, 23, 158, 0.12) 78%,
    transparent 100%
  );
  animation: rsDividerSweep 2.65s linear infinite;
}

body[data-theme='dark'] .rs-divider--line {
  box-shadow: 0 0 0 1px rgba(170, 140, 220, 0.22);
  background: linear-gradient(
    90deg,
    rgba(100, 70, 150, 0.2),
    rgba(130, 95, 180, 0.36),
    rgba(100, 70, 150, 0.2)
  );
}

body[data-theme='dark'] .rs-divider--line::after {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(181, 23, 158, 0.1) 22%,
    rgba(181, 23, 158, 0.68) 44%,
    color-mix(in srgb, #b5179e 82%, #fff) 50%,
    rgba(181, 23, 158, 0.68) 56%,
    rgba(181, 23, 158, 0.1) 78%,
    transparent 100%
  );
}

@keyframes rsDividerSweep {
  0% {
    left: -34%;
  }
  100% {
    left: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rs-divider--line::after {
    animation: none;
    left: 50%;
    width: 38%;
    transform: translateX(-50%);
    will-change: auto;
  }
}

/* —— Timeline —— */
.rs-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.35rem;
  list-style: none;
  border-left: var(--border-width) solid color-mix(in srgb, var(--primary) 40%, var(--border));
}

.rs-timeline__item {
  position: relative;
  margin-bottom: 1.35rem;
  padding-left: 1.15rem;
}

.rs-timeline__item:last-child {
  margin-bottom: 0;
}

.rs-timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1.35rem - var(--border-width) / 2);
  top: 0.35rem;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  background: var(--accent);
  border: var(--border-width) solid var(--border);
  border-radius: 50%;
  box-shadow: 4px 4px 0 var(--rs-shadow-hard);
}

.rs-timeline__year {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.12rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.7);
  border: 2px solid var(--border);
  border-radius: 6px;
}

body[data-theme='dark'] .rs-timeline__year {
  background: rgba(30, 16, 50, 0.85);
}

.rs-timeline__title {
  margin: 0 0 0.25rem;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
}

.rs-timeline__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  opacity: 0.85;
  max-width: 36rem;
}

/* —— Interest chips —— */
.rs-interests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.55rem;
  justify-content: center;
  max-width: 52rem;
  margin: 0 auto;
}

.rs-interest {
  padding: 0.42rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), color-mix(in srgb, var(--accent) 45%, #fff));
  border: var(--border-width) solid var(--border);
  border-radius: 999px;
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  cursor: default;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.rs-interest:hover {
  transform: translate(-1px, -1px) scale(1.02);
  box-shadow: 10px 10px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-interest {
  background:
    linear-gradient(145deg, rgba(44, 28, 72, 0.95), rgba(28, 16, 48, 0.9));
}

.rs-interest:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* —— Go deeper (after interests) —— */
.rs-section--next {
  margin-bottom: 0;
}

.rs-next {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: var(--border-width) solid color-mix(in srgb, var(--primary) 38%, var(--border));
  border-radius: 18px;
  background:
    radial-gradient(ellipse 80% 90% at 100% 0%, rgba(155, 93, 229, 0.12) 0%, transparent 55%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.96) 0%, rgba(244, 236, 255, 0.88) 100%),
    var(--bg);
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-next {
  background:
    radial-gradient(ellipse 70% 80% at 95% 8%, rgba(155, 93, 229, 0.18) 0%, transparent 50%),
    linear-gradient(168deg, rgba(36, 22, 58, 0.94) 0%, rgba(18, 10, 32, 0.92) 100%),
    var(--bg);
}

.rs-next__intro {
  margin-bottom: clamp(1rem, 2.2vw, 1.35rem);
  text-align: center;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.rs-next__title {
  margin: 0 0 0.45rem;
  font-family: 'Baloo Da 2', sans-serif;
  font-size: clamp(1.35rem, 2.8vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.rs-next__lead {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
  opacity: 0.88;
}

.rs-next__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: clamp(0.65rem, 1.8vw, 0.9rem);
  margin-bottom: clamp(1rem, 2.2vw, 1.35rem);
}

.rs-next-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.65rem 0.75rem;
  padding: 0.75rem 0.85rem;
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--white) 88%, transparent);
  border: var(--border-width) solid var(--border);
  border-radius: 14px;
  box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.rs-next-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--rs-shadow-hard);
  filter: brightness(1.02);
}

body[data-theme='dark'] .rs-next-card {
  background: rgba(28, 16, 46, 0.75);
}

.rs-next-card:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

.rs-next-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: var(--rs-deep);
  background: linear-gradient(145deg, var(--accent), color-mix(in srgb, var(--primary) 22%, var(--accent)));
  border: 2px solid var(--border);
  border-radius: 12px;
  box-shadow: 4px 4px 0 var(--rs-shadow-hard);
}

body[data-theme='dark'] .rs-next-card__icon {
  color: #f0e6ff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 50%, #1a0f2e), rgba(40, 24, 62, 0.95));
}

.rs-next-card__content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  text-align: left;
}

.rs-next-card__name {
  font-family: 'Baloo Da 2', sans-serif;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--text);
}

.rs-next-card__hint {
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  opacity: 0.75;
}

.rs-next-card__arrow {
  font-size: 0.85rem;
  opacity: 0.65;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.rs-next-card:hover .rs-next-card__arrow {
  transform: translateX(4px);
  opacity: 1;
}

.rs-next__quote {
  margin: 0;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  font-style: italic;
  line-height: 1.55;
  text-align: center;
  color: var(--text);
  opacity: 0.88;
  border: 2px dashed color-mix(in srgb, var(--primary) 35%, var(--border));
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.35);
}

.rs-next__quote p {
  margin: 0;
}

body[data-theme='dark'] .rs-next__quote {
  background: rgba(16, 8, 30, 0.45);
}

@media (max-width: 600px) {
  .rs-hero__deco--flask {
    right: 4%;
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
  }

  .rs-hero__deco--atom {
    width: 48px;
    height: 48px;
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rs-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .rs-hero__deco--flask,
  .rs-hero__deco--atom {
    animation: none;
  }

  .rs-kpi-card:hover {
    transform: none;
    filter: none;
  }

  .rs-area-card:hover,
  .rs-project-card:hover,
  .rs-interest:hover,
  .rs-next-card:hover {
    transform: none;
    filter: none;
    box-shadow: 8px 8px 0 var(--rs-shadow-hard);
  }

  .rs-next-card:hover .rs-next-card__arrow {
    transform: none;
  }

  .rs-monitor__sine,
  .rs-monitor__ekg {
    animation: none;
  }
}