@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #f6f6f4;
  --bg-soft: #eef3ee;
  --surface: #ffffff;
  --surface-soft: #f7f8f7;
  --line: #d7ddd7;
  --text: #1f2624;
  --muted: #5f6d67;
  --green-900: #1f4f3b;
  --green-800: #2d6a4f;
  --green-700: #3b7c5d;
  --green-100: #e9f3eb;
  --green-050: #f4faf5;
  --gold-700: #9b6a11;
  --gold-100: #f6ebcf;
  --orange-600: #d97a18;
  --orange-100: #ffe6c7;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow: 0 6px 18px rgba(25, 41, 31, 0.06);
  --maxw: 1080px;

  --font-sans: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --fs-hero: clamp(22px, 2.4vw, 30px);
  --fs-h2: clamp(24px, 3vw, 32px);
  --fs-h3: 22px;
  --fs-body: 16px;
  --fs-meta: 12px;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: 1.68;
  color: var(--text);
  background: linear-gradient(180deg, #fafbf9 0%, #f5f7f5 100%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
b, strong { font-weight: var(--fw-semibold); }
em, i { font-style: normal; }
.container { width: min(var(--maxw), calc(100% - 32px)); margin: 0 auto; }

/* nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 248, 246, 0.96);
  border-bottom: 1px solid rgba(45, 106, 79, 0.08);
  backdrop-filter: blur(12px);
}
.nav-shell {
  position: relative;
  min-height: 88px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 180px;
  align-items: center;
  gap: 20px;
}

.nav-logo-left {
  grid-column: 1;
  justify-self: start;
}

.nav-logo-right {
  grid-column: 3;
  justify-self: end;
}

.nav-logo-left img {
  width: 190px;
  height: auto;
}

.nav-logo-right img {
  width: 160px;
  height: auto;
}

.nav-center {
  grid-column: 2;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-links a {
  padding: 10px 6px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.nav-links a.active {
  color: var(--green-900);
}

.join-btn {
  padding: 11px 18px !important;
  border-radius: 14px;
  background: var(--green-800);
  color: white !important;
}

.join-btn:hover {
  text-decoration: none;
  background: var(--green-900);
}

/* pure hamburger */
.nav-toggle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: none;
  width: 20px;
  height: 14px;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  z-index: 160;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.8px;
  background: var(--green-900);
  border-radius: 999px;
}

.nav-toggle:hover,
.nav-toggle:focus {
  background: transparent;
  outline: none;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 28, 24, 0.32);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
  z-index: 140;
}

.mobile-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: min(300px, 82vw);
  height: 100vh;
  background: #ffffff;
  border-right: 1px solid rgba(45, 106, 79, 0.10);
  transform: translateX(-100%);
  transition: transform 0.24s ease;
  z-index: 150;
  padding: 22px 18px;
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(45, 106, 79, 0.12);
  border-radius: 10px;
  background: white;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  margin-bottom: 18px;
}

.mobile-nav-links {
  display: grid;
  gap: 10px;
}

.mobile-nav-links a {
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid rgba(45, 106, 79, 0.08);
  background: var(--surface-soft);
}

.mobile-nav-links a.join-btn {
  background: var(--green-800);
  color: white;
  border-color: transparent;
}

.mobile-nav-links a.join-btn:hover {
  background: var(--green-900);
}

.mobile-nav-links a.active {
  color: var(--green-900);
  background: var(--green-100);
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .nav-overlay {
  opacity: 1;
  visibility: visible;
}

body.nav-open .mobile-sidebar {
  transform: translateX(0);
}

/* desktop: full nav */
@media (min-width: 948px) {
  .nav-center {
    display: flex;
  }

  .nav-toggle {
    display: none !important;
  }

  .nav-logo-left img {
    width: 190px;
  }

  .nav-logo-right img {
    width: 160px;
  }
}

/* tablet/mobile: hide full nav, keep hamburger centered */
@media (max-width: 947.98px) {
  .nav-shell {
    min-height: 76px;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .nav-center {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-logo-left {
    justify-self: start;
  }

  .nav-logo-right {
    justify-self: end;
  }

  .nav-logo-left img {
    width: 152px;
  }

  .nav-logo-right img {
    width: 122px;
  }
}

/* global type */
.section { padding: 30px 0; }
.home-main-content section[id] { scroll-margin-top: 100px; }
.section-soft {
  background: var(--green-050);
  border-top: 1px solid rgba(45, 106, 79, 0.06);
  border-bottom: 1px solid rgba(45, 106, 79, 0.06);
}
.section-label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--green-700);
  font-size: var(--fs-meta);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 10px 0 12px;
  font-size: var(--fs-hero);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: var(--fw-bold);
}
.page-hero h1 {
  margin: 10px 0 12px;
  font-size: clamp(32px, 3.6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: var(--fw-semibold);
}
.section h2 {
  margin: 0 0 12px;
  font-size: var(--fs-h2);
  line-height: 1.18;
  letter-spacing: -0.025em;
  font-weight: var(--fw-semibold);
}
.section h3,
.card h3,
.info-card h3,
.task-mini-card h3,
.organizer-card h3,
.benchmark-copy h3 {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  line-height: 1.28;
  font-weight: var(--fw-semibold);
}
p, li {
  font-size: var(--fs-body);
  line-height: 1.68;
  font-weight: var(--fw-regular);
}
.hero-subtitle,
.page-lead,
.section-head p,
.panel p,
.card p,
.info-card p,
.long-text,
.figure-caption,
.benchmark-copy p,
.organizer-card p,
.faq-content {
  color: var(--muted);
}
.page-hero { padding: 26px 0 8px; }
.page-hero .narrow { max-width: 860px; }

.panel,
.card,
.info-card,
.task-mini-card,
.timeline-card,
.organizer-card,
.quick-link,
.figure-frame,
.figure-aside,
.figure-row,
.figure-text-list,
.strip-card,
.guide-row,
.tldr-box,
.benchmark-copy,
.benchmark-figure {
  background: var(--surface);
  border: 1px solid rgba(45, 106, 79, 0.10);
  border-radius: var(--radius-lg);
  box-shadow: none;
}
.panel,
.card,
.info-card,
.task-mini-card,
.timeline-card,
.organizer-card,
.quick-link,
.tldr-box,
.benchmark-copy,
.benchmark-figure { padding: 20px; }

.hero {
  min-height: calc(100svh - 88px);
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(1200px 520px at 70% 10%, rgba(45, 106, 79, 0.10), transparent 70%),
    linear-gradient(180deg, #f9fcfa 0%, #f3f8f4 100%);
}
.hero-inner {
  width: min(var(--maxw), calc(100% - 48px));
  margin: 0 auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
}

.hero-main {
  flex: 1;
  display: flex;
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
  padding-top: 24px;
}

.hero-logo {
  flex-shrink: 0;
  width: clamp(140px, 22vw, 320px);
  height: auto;
}

.hero-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero h1 {
  margin: 0 0 8px;
  font-size: var(--fs-hero);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: var(--fw-bold);
  color: var(--green-800);
  white-space: nowrap;
}
.eyebrow {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(45, 106, 79, 0.18);
  background: #ffffff;
  color: var(--green-800);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero-accent { display: block; color: var(--green-800); }
.hero-subtitle {
  max-width: 620px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.6;
  font-weight: var(--fw-regular);
}

.hero-dates {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

.hero-dates-label {
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 2px;
}

.hero-date-item {
  display: block;
  font-size: 15px;
  color: var(--text);
  font-weight: var(--fw-regular);
}

.hero-date-item strong {
  color: var(--green-900);
  font-weight: var(--fw-bold);
}

.hero-bottom {
  width: 100%;
  padding: 12px 0 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-institutions {
  width: 100%;
  border-top: 1px solid rgba(45, 106, 79, 0.08);
  padding-top: 14px;
}

.hero-institutions .institution-carousel-window {
  overflow: hidden;
  width: 100%;
}

.hero-institutions .logo-strip {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: institution-scroll 34s linear infinite;
}

@keyframes institution-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-institutions .logo-strip { animation: none; }
}

.hero-institutions .inst-wrap {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 66px;
}

.hero-institutions .inst-wrap img {
  height: clamp(24px, 4vw, 56px);
  width: auto;
  max-width: none;
  object-fit: contain;
  display: block;
}

.hero-institutions .inst-wrap img.logo-nus,
.hero-institutions .inst-wrap img.logo-tum {
  height: clamp(28px, 4.6vw, 62px);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(45, 106, 79, 0.16);
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}
.btn-primary {
  background: linear-gradient(180deg, #3a7d5f 0%, #2d6a4f 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(45, 106, 79, 0.24);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--green-900);
  border-color: rgba(45, 106, 79, 0.24);
}

.btn:hover { text-decoration: none; }
.hero-cta .btn:hover {
  transform: translateY(-1px);
}

.hero-scroll-cue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(45, 106, 79, 0.16);
  background: rgba(255, 255, 255, 0.6);
  color: var(--green-800);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  transition: transform 0.2s ease;
}
.hero-scroll-cue:hover {
  text-decoration: none;
  transform: translateY(2px);
}
.section-anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.anchor-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: white;
  border: 1px solid rgba(45, 106, 79, 0.10);
  color: var(--green-800);
  font-size: 14px;
  font-weight: 700;
}
.anchor-pill.more-pill,
.anchor-pill.active-anchor {
  background: var(--green-800);
  color: white;
  border-color: transparent;
}
.anchor-pill:hover { text-decoration: none; }

/* homepage left sidebar layout */
.home-main-area {
  padding: 8px 0 0;
}

.home-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.home-sidebar {
  position: sticky;
  top: 108px;
  align-self: start;
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(45, 106, 79, 0.10);
  border-radius: 12px;
  background: #ffffff;
}

.home-sidebar-title {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 2px;
}

.home-sidebar-link {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: var(--fw-medium);
  border: 1px solid transparent;
}

.home-sidebar-link:hover {
  text-decoration: none;
  color: var(--green-900);
  background: var(--surface-soft);
}

.home-sidebar-link.active {
  color: var(--green-900);
  background: var(--green-100);
  border-color: rgba(45, 106, 79, 0.14);
}

.home-main-content {
  min-width: 0;
}

.home-main-content .container {
  width: min(860px, 100%);
  margin: 0;
}

.overview-lead {
  margin: 0 0 14px;
  color: var(--muted);
}

.signal-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.signal-card {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(45, 106, 79, 0.10);
  background: #ffffff;
}

.signal-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--green-900);
}

.signal-card p {
  margin: 0;
  color: var(--muted);
}

.section-actions {
  margin-top: 14px;
}

.task-summary {
  margin: 0 0 14px;
  color: var(--muted);
}

.task-mini-grid {
  margin-top: 6px;
}

/* institution strip - full width */
.institution-strip {
  width: 100%;
  padding: 0;
  margin: 0;
}

@media (max-width: 1080px) {
  .home-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .home-sidebar {
    display: none;
  }

  .home-main-content .container {
    width: min(var(--maxw), calc(100% - 32px));
    margin: 0 auto;
  }
}

/* news */
.news-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: stretch;
}
.news-label-box {
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-label-box h2 {
  font-size: clamp(12px, 1.2vw, 14px);
  margin: 0;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green-800);
}
.news-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 16px 18px;
}
.news-item {
  min-width: 260px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid rgba(246, 249, 248, 0.08);
}
.news-date {
  font-size: 11px;
  font-weight: 800;
  color: var(--green-800);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.news-body { color: var(--muted); font-size: 14px; line-height: 1.55; }

/* about */
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
  align-items: stretch;
}

.about-layout > .figure-frame,
.about-layout > .figure-aside {
  height: 100%;
}

.about-layout > .figure-frame {
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 18px;
}

.about-layout > .figure-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-layout > .figure-aside {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: clamp(18px, 2vw, 28px);
}
.figure-frame {
  overflow: hidden;
  padding: 0;
}

.figure-caption { padding: 12px 16px 16px; font-size: 15px; }

.figure-aside .highlight-line {
  padding: 12px 14px;
  border-left: 3px solid var(--green-700);
  background: var(--surface-soft);
  border-radius: 0 12px 12px 0;
}
.figure-aside .highlight-line strong { color: var(--green-900); }
.bench-reframed { margin-top: 20px; display: grid; gap: 16px; }
.figure-row {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}
.figure-row + .figure-row { margin-top: 0; }
.figure-box {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}
.figure-box h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.figure-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.figure-core {
  background: linear-gradient(180deg, #f8fbf8 0%, #edf5ee 100%);
}
.figure-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-700);
  font-size: 26px;
  font-weight: 900;
}
.figure-text-list {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}
.figure-mini-box {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}
.domain-label {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-800);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.figure-mini-box p { margin: 0; }
.figure-mini-box ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.figure-outcome {
  background: var(--green-800);
  color: white;
}
.figure-outcome p,
.figure-outcome li,
.figure-outcome h3 { color: white; }

.about-container {
  max-width: 1100px;
}

.about-center-kicker {
  margin: 2px 0 14px;
  text-align: center;
  font-size: clamp(28px, 3vw, 36px);
  font-weight: var(--fw-semibold);
  color: var(--green-900);
  letter-spacing: -0.01em;
}

.about-intro,
.about-subnote {
  max-width: 1180px;
  margin: 0 auto 18px;
  text-align: center;
  color: #1f2624;
}

.about-subnote {
  font-size: 15px;
  line-height: 1.75;
}

.about-container > h2 {
  text-align: center;
}

.about-layout {
  margin-top: 6px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.94fr);
  gap: 20px;
  align-items: start;
}

.about-findings .section-label {
  margin-bottom: 10px;
}

.about-findings {
  height: 100%;
}

@media (max-width: 900px) {
  .hero {
    min-height: calc(100svh - 76px);
  }

  .hero-inner {
    padding: 18px 0 0;
  }

  .hero-main {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-logo {
    width: clamp(160px, 36vw, 220px);
  }

  .hero-copy {
    align-items: center;
  }

  .hero h1 {
    white-space: normal;
  }

  .hero-dates {
    align-items: center;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }
}

.about-bench-block {
  margin-top: 28px;
}

.about-bench-block h2 {
  text-align: center;
  margin-bottom: 12px;
}

.about-bench-figure {
  margin-top: 16px;
  padding: 0;
}

.about-bench-figure img {
  width: 100%;
  height: auto;
  display: block;
}


/* simple grids */
.card-grid { display: grid; gap: 16px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--gold-100);
  color: var(--gold-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.medcmr-link {
  color: var(--green-800);
  font-weight: 700;
}

/* task */
.task-header-copy { max-width: 860px; margin-bottom: 18px; }
.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.quick-link { display: block; }
.quick-link:hover { text-decoration: none; border-color: rgba(45, 106, 79, 0.20); }
.quick-link p { margin: 0; }
.prize-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.prize-pill {
  padding: 11px 16px;
  border-radius: 999px;
  background: var(--gold-100);
  border: 1px solid rgba(155, 106, 17, 0.16);
  color: var(--gold-700);
  font-weight: 800;
}

/* timeline */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.timeline-card {
  min-height: 146px;
}
.timeline-date {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-800);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.timeline-card h3 { font-size: 18px; margin: 0 0 8px; }
.timeline-card p { margin: 0; }
.timeline-card.current {
  border-color: rgba(217, 122, 24, 0.42);
  background: linear-gradient(180deg, #fffdf8 0%, #fff5e9 100%);
  box-shadow: 0 0 0 2px rgba(217, 122, 24, 0.10), 0 0 20px rgba(217, 122, 24, 0.18);
}
.timeline-card.current .timeline-date {
  background: var(--orange-100);
  color: #a05a10;
}
.timeline-present {
  margin-top: 12px;
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--orange-100);
  color: #a05a10;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

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

@media (max-width: 680px) {
  .timeline-grid {
    grid-template-columns: 1fr;
  }
}

/* challenge page */
.guide-row { padding: 11px 4px; margin-top: 14px; }
.overview-stack,
.challenge-stack,
.benchmark-module {
  display: grid;
  gap: 16px;
}
.overview-stack .figure-frame,
.challenge-stack .figure-frame,
.benchmark-figure {
  padding: 16px;
}
.benchmark-figure img,
.figure-frame img { border-radius: 12px; }
.faq-entry {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
  color: var(--green-800);
  font-weight: 700;
}
.tldr-box h2 { margin-bottom: 14px; }
.tldr-list {
  display: grid;
  gap: 14px;
}
.tldr-item {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}
.tldr-index {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-800);
  font-size: 13px;
  font-weight: 800;
  margin-right: 10px;
}
.tldr-title {
  font-weight: 800;
  color: var(--green-900);
}
.tldr-item p { margin: 8px 0 0; }
.highlight-inline {
  background: var(--gold-100);
  color: var(--gold-700);
  padding: 2px 6px;
  border-radius: 6px;
  font-weight: 700;
}
.external-link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--green-800);
  font-weight: 700;
}
.detail-copy {
  display: grid;
  gap: 12px;
}

/* benchmark */
.benchmark-header h1 {
  white-space: nowrap;
  font-size: clamp(24px, 3vw, 42px);
}
.benchmark-hero-logo {
  width: 100%;
  max-width: 320px;
  margin-bottom: 12px;
}
.benchmark-module {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  align-items: start;
}
.benchmark-copy ul,
.clean-list {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.text-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.dimension-list {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}
.finding-list {
  display: grid;
  gap: 14px;
}
.finding-item {
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}
.figure-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(45, 106, 79, 0.08);
  color: var(--muted);
  font-size: 14px;
}
.bibtex-block {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.7;
}

/* faq + organizers */
.faq-list { display: grid; gap: 14px; }
.faq-item {
  border: 1px solid rgba(45, 106, 79, 0.10);
  border-radius: 16px;
  background: white;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  font-size: 17px;
  font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--green-800);
  font-size: 20px;
}
.faq-item[open] summary::after { content: "–"; }
.faq-content { padding: 0 18px 16px; }
.organizer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* people / organizer cards */
.people-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.person-card {
  text-align: center;
  padding: 24px 16px;
  width: 100%;
  box-sizing: border-box;
  background: var(--surface);
  border: 1px solid rgba(45, 106, 79, 0.10);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.person-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.person-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-050), var(--green-100, #d8f3dc));
  color: var(--green-800);
  font-size: 22px;
  font-weight: var(--fw-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}
.person-card h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: var(--fw-semibold);
  line-height: 1.3;
}
.person-card p {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}
.person-badge {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green-800);
  background: var(--green-050);
  border-radius: 999px;
}

/* footer */
.site-footer { padding: 28px 0 42px; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid rgba(45, 106, 79, 0.10);
}
.footer-inner strong { color: var(--green-900); }


/*Zoom*/
.zoomable-image {
  cursor: zoom-in;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(0, 0, 0, 0.86);
  z-index: 9999;
}

.image-lightbox.open {
  display: flex;
}

.image-lightbox-img {
  max-width: min(96vw, 1600px);
  max-height: 92vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
  border-radius: 8px;
}

.image-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: white;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}

.text-emphasis {
  display: inline;
  font-weight: 800;
  color: var(--green-900);
  background: linear-gradient(transparent 62%, rgba(45, 106, 79, 0.16) 62%);
  padding: 0 0.08em;
  border-radius: 2px;
}

.benchmark-module.benchmark-vertical {
  grid-template-columns: 1fr;
}

.benchmark-module.benchmark-vertical .benchmark-copy,
.benchmark-module.benchmark-vertical .benchmark-figure {
  width: 100%;
}


/* challenge page: extended structure */
.challenge-card-grid,
.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.workflow-block {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: stretch;
}

.workflow-copy {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(45, 106, 79, 0.10);
  background: var(--surface);
}

.workflow-copy h3 {
  margin-bottom: 10px;
}

.workflow-list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.workflow-figure {
  padding: 18px;
}

.workflow-figure img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: #ffffff;
}

.table-wrap {
  overflow-x: auto;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid rgba(45, 106, 79, 0.10);
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
}

.guide-table th,
.guide-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(45, 106, 79, 0.08);
}

.guide-table th {
  background: var(--green-050);
  color: var(--green-900);
  font-size: 14px;
  font-weight: var(--fw-semibold);
}

.guide-table td {
  color: var(--muted);
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.metric-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.metric-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 13px;
  font-weight: 800;
  border: 1px solid rgba(45, 106, 79, 0.10);
}

.challenge-note {
  padding: 16px 18px;
  border-left: 3px solid var(--green-700);
  border-radius: 0 14px 14px 0;
  background: var(--surface-soft);
  color: var(--muted);
}

.challenge-note strong {
  color: var(--green-900);
}

.formula-block {
  margin-top: 16px;
  padding: 18px 20px;
  border-radius: 16px;
  background: #f8faf8;
  border: 1px solid rgba(45, 106, 79, 0.10);
}

.formula-caption {
  margin-top: 0;
  margin-bottom: 12px;
}

.formula-block pre {
  margin: 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(45, 106, 79, 0.08);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.65;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: var(--text);
}

.figure-frame .zoomable-image {
  cursor: zoom-in;
}

#overview,
#task,
#data,
#workflow,
#evaluation-assessment,
#baseline-code,
#participation-policy {
  scroll-margin-top: 104px;
}

@media (max-width: 1080px) {
  .workflow-block {
    grid-template-columns: 1fr;
  }

  .split-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rubric-grid,
  .leaderboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .challenge-card-grid,
  .policy-grid,
  .split-grid,
  .rubric-grid,
  .leaderboard-grid {
    grid-template-columns: 1fr;
  }

  .formula-block,
  .workflow-copy {
    padding: 16px;
  }

  .guide-table th,
  .guide-table td {
    min-width: 180px;
  }
}

/* challenge page: workflow refresh */
.workflow-panel {
  padding: 20px;
}

.workflow-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.9fr);
  gap: 18px;
  align-items: end;
  margin-bottom: 16px;
}

.workflow-summary {
  margin: 0;
  color: var(--muted);
}

.workflow-figure-full {
  padding: 18px;
}

.workflow-figure-full img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: #ffffff;
}

@media (max-width: 820px) {
  .workflow-header {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .workflow-panel {
    padding: 16px;
  }

  .workflow-figure-full {
    padding: 14px;
  }
}

/* challenge page v3 refresh */
.workflow-overview {
  padding: 24px;
}

.workflow-header.compact {
  margin-bottom: 14px;
}

.workflow-figure-wide {
  padding: 18px;
}

.workflow-figure-wide img {
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.challenge-step-list {
  display: grid;
  gap: 16px;
}

.challenge-step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}

.challenge-step-item h3 {
  margin: 0 0 6px;
  font-size: 19px;
}

.challenge-step-item p {
  margin: 0;
  color: var(--muted);
}

.challenge-step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 14px;
  font-weight: 800;
}

.guide-table-compact th,
.guide-table-compact td {
  font-size: 14px;
  line-height: 1.6;
  vertical-align: top;
}

.guide-table-compact code {
  font-size: 13px;
}

@media (max-width: 900px) {
  .workflow-overview {
    padding: 18px;
  }

  .workflow-figure-wide {
    padding: 10px;
  }

  .challenge-step-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
  }
}


/* challenge page v4: evaluation clarity + submission resources */
.eval-track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.eval-track-card {
  display: grid;
  gap: 14px;
}

.eval-subblock {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}

.eval-subblock h4 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.35;
  color: var(--green-900);
}

.eval-subblock p,
.eval-subblock li {
  margin-top: 0;
  margin-bottom: 0;
  color: var(--muted);
}

.eval-subblock ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.eval-footnote {
  margin-top: 10px !important;
  font-size: 14px;
}

.submission-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.submission-detail-box {
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}

.submission-detail-box h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.submission-detail-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 7px;
}

@media (max-width: 980px) {
  .submission-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .eval-track-grid {
    grid-template-columns: 1fr;
  }
}

/* Challenge page readability patch: strict top-down flow */
.challenge-card-grid,
.eval-track-grid,
.leaderboard-grid,
.submission-detail-grid,
.policy-grid,
.split-grid,
.rubric-grid {
  grid-template-columns: 1fr !important;
}

.topdown-panel {
  display: grid;
  gap: 14px;
}

.topdown-block {
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}

.topdown-block h3 {
  margin: 0 0 8px;
  color: var(--green-900);
}

.key-summary-box {
  padding: 18px 20px;
  border-radius: 16px;
  background: linear-gradient(180deg, #fffdf8 0%, #fff7e8 100%);
  border: 1px solid rgba(217, 122, 24, 0.16);
}

.key-summary-box .section-label {
  color: #a05a10;
}

.definition-stack {
  display: grid;
  gap: 12px;
}

.definition-card {
  padding: 16px 18px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(45, 106, 79, 0.10);
}

.definition-title {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--green-900);
}

.definition-code {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.compact-list {
  margin: 6px 0 0;
  padding-left: 18px;
}

.compact-list li + li {
  margin-top: 6px;
}

.guide-table td strong {
  color: var(--green-900);
}

.eval-footnote {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.section-anchor-nav {
  row-gap: 10px;
}

@media (max-width: 720px) {
  .topdown-block,
  .definition-card,
  .key-summary-box {
    padding: 14px 16px;
  }
}

/* v6 challenge hierarchy refinement */

.section-mainhead {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.section-super,
.section-super-lite {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-super-lite {
  background: rgba(45, 106, 79, 0.08);
}

.section-main-title {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--green-900);
}

.section-main-lead {
  margin: 0;
  max-width: 900px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.75;
}

.key-summary-box {
  padding: 22px 24px;
  border-radius: 18px;
  border: 1px solid rgba(45, 106, 79, 0.12);
  background: linear-gradient(180deg, #ffffff 0%, #f5faf6 100%);
}

.key-summary-box-strong {
  border-color: rgba(45, 106, 79, 0.18);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.05);
}

.key-summary-title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: var(--fw-semibold);
  color: var(--green-900);
}

.key-summary-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
}

.key-summary-list li + li {
  margin-top: 8px;
}

.primary-flow-block {
  padding: 24px 26px;
  border-radius: 18px;
  border: 1px solid rgba(45, 106, 79, 0.12);
  background: #ffffff;
}

.primary-flow-block h3 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.2;
  color: var(--green-900);
}

.flow-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.secondary-stack,
.rubric-stack {
  display: grid;
  gap: 14px;
}

.secondary-detail-block {
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(45, 106, 79, 0.10);
  background: var(--surface-soft);
}

.secondary-detail-block-soft {
  background: #f8faf8;
}

.secondary-label {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--green-700);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.secondary-detail-block h3,
.secondary-detail-block h4 {
  margin: 0 0 8px;
  color: var(--green-900);
}

.challenge-step-list-strong {
  gap: 14px;
}

.challenge-step-list-strong .challenge-step-item {
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(45, 106, 79, 0.10);
  background: #ffffff;
}

.evaluation-block {
  display: grid;
  gap: 16px;
}

.plain-subsection {
  display: grid;
  gap: 8px;
}

.plain-subsection h4 {
  margin: 0;
  font-size: 18px;
  color: var(--green-900);
}

.metric-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--green-800);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.metric-explain {
  margin-left: 8px;
  font-weight: 600;
  color: var(--green-900);
}

.field-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(45, 106, 79, 0.08);
  color: var(--green-900);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.subtle-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.section-mini-lead {
  margin: 0 0 6px;
  color: var(--text);
}

.rubric-item-vertical {
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(45, 106, 79, 0.10);
  background: #ffffff;
}

.rubric-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.rubric-item-head h4 {
  margin: 0;
  font-size: 22px;
  color: var(--green-900);
}

.rubric-endpoints {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.rubric-endpoints > div {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-soft);
  border: 1px solid rgba(45, 106, 79, 0.08);
}

.leaderboard-list-vertical {
  margin: 0;
  padding-left: 18px;
}

.leaderboard-list-vertical li + li {
  margin-top: 8px;
}

/* force top-down reading on challenge page */
#task .challenge-card-grid,
#data .challenge-card-grid,
#evaluation-assessment .challenge-card-grid,
#evaluation-assessment .eval-track-grid,
#evaluation-assessment .leaderboard-grid,
#evaluation-assessment .rubric-grid,
#submission-resources .submission-detail-grid,
#submission-resources .challenge-card-grid,
#workflow .challenge-card-grid,
#data .split-grid,
#submission-resources .policy-grid {
  grid-template-columns: 1fr !important;
}

#evaluation-assessment .panel,
#submission-resources .panel {
  padding: 24px 26px;
}

#evaluation-assessment .panel h2,
#submission-resources .panel h2 {
  font-size: clamp(28px, 3vw, 34px);
}

@media (max-width: 720px) {
  .section-main-title {
    font-size: 32px;
  }

  .section-main-lead {
    font-size: 16px;
  }

  .primary-flow-block,
  .key-summary-box,
  .secondary-detail-block,
  .rubric-item-vertical {
    padding: 18px 16px;
  }

  .primary-flow-block h3 {
    font-size: 24px;
  }

  .rubric-item-head h4 {
    font-size: 20px;
  }
}

/* homepage top-down reading refinement */

#overview .about-container,
#task .container,
#schedule .container {
  display: grid;
  gap: 14px;
}

#overview .overview-lead,
#task .task-summary {
  max-width: 860px;
  margin: 0;
}

#overview .panel,
#task .panel,
#schedule .challenge-step-item {
  background: #ffffff;
}

#task .panel h3,
#schedule .challenge-step-item h3 {
  margin-bottom: 6px;
  color: var(--green-900);
}

#task .panel p,
#schedule .challenge-step-item p,
#overview .panel p {
  margin: 0;
}

#task .section-actions {
  margin-top: 16px;
}

#schedule .challenge-step-list {
  margin-top: 4px;
}

#schedule .challenge-step-item {
  background: #ffffff;
  border: 1px solid rgba(45, 106, 79, 0.10);
}

#schedule .challenge-step-index {
  background: var(--green-100);
  color: var(--green-900);
}

@media (max-width: 720px) {
  #overview .about-container,
  #task .container,
  #schedule .container {
    gap: 12px;
  }
}

/* homepage current-period highlight for top-down schedule */
#schedule .challenge-step-item.current {
  border-color: rgba(217, 122, 24, 0.42);
  background: linear-gradient(180deg, #fffdf8 0%, #fff5e9 100%);
  box-shadow: 0 0 0 2px rgba(217, 122, 24, 0.10), 0 0 20px rgba(217, 122, 24, 0.12);
}

#schedule .challenge-step-item.current .challenge-step-index {
  background: var(--orange-100);
  color: #a05a10;
}

#schedule .challenge-step-item .timeline-present {
  margin-top: 10px;
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--orange-100);
  color: #a05a10;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}