:root {
  --bg: #07111f;
  --bg-elevated: rgba(9, 17, 34, 0.88);
  --surface: #0d1830;
  --surface-2: #101c35;
  --surface-3: #132241;
  --text: #edf2ff;
  --text-soft: #a6b4d1;
  --muted: #7d8aa6;
  --line: rgba(120, 146, 220, 0.16);
  --line-strong: rgba(120, 146, 220, 0.28);
  --primary: #4f6ef7;
  --primary-strong: #6f8bff;
  --lofi: #7b5cff;
  --rnb: #4a8cff;
  --open: #f06ca0;
  --ambient: #c08c48;
  --glow: 0 18px 50px rgba(79, 110, 247, 0.22);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.28);
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  background:
    radial-gradient(
      circle at 20% 20%,
      rgba(39, 74, 152, 0.18),
      transparent 35%
    ),
    radial-gradient(
      circle at 80% 18%,
      rgba(79, 110, 247, 0.12),
      transparent 30%
    ),
    radial-gradient(circle at 50% 65%, rgba(23, 39, 77, 0.25), transparent 42%),
    linear-gradient(180deg, #05101f 0%, #061120 38%, #081528 100%);
  color: var(--text);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: #ffffff;
  color: #0b1220;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 9999;
}

.skip-link:focus {
  top: 12px;
}

.site-shell {
  width: min(var(--shell), calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(860px, calc(100% - 40px));
}

.site-topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  background: rgba(5, 13, 27, 0.72);
  border-bottom: 1px solid rgba(125, 150, 220, 0.08);
}

.topbar-inner,
.footer-inner,
.archive-toolbar,
.hero-actions,
.track-head,
.track-actions,
.footer-links,
.active-filters {
  display: flex;
  align-items: center;
}

.hero-actions {
  justify-content: center;
}

.topbar-inner {
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}

.brand-link,
.top-links,
.footer-links,
.hero-actions,
.track-actions,
.active-filters,
.tag-row,
.archive-meta {
  gap: 12px;
}

.top-links,
.footer-links {
  justify-content: center;
  flex-wrap: wrap;
}

.top-links {
  padding: 4px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(125, 150, 220, 0.2);
  background: rgba(10, 20, 40, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text);
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 0 18px rgba(79, 110, 247, 0.7);
}

.top-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.footer-links a {
  color: var(--text-soft);
  font-size: 0.95rem;
  transition:
    color 0.2s ease,
    opacity 0.2s ease,
    transform 0.2s ease;
}

.top-links a:hover,
.top-links a:focus-visible {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(79, 110, 247, 0.16);
  transform: translateY(-1px);
}

.top-links a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(111, 139, 255, 0.24);
}

.top-links a:active {
  transform: translateY(0);
}

.footer-links a:hover,
.brand-link:hover {
  color: var(--text);
}

.hero {
  position: relative;
  overflow: clip;
  min-height: 88svh;
  display: grid;
  place-items: center;
}

.hero-bg,
.hero-bg .glow,
.hero-bg .wave {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg .glow {
  width: 38vw;
  height: 38vw;
  max-width: 520px;
  max-height: 520px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
}

.glow-a {
  background: rgba(79, 110, 247, 0.58);
  inset: 14% auto auto 12%;
}

.glow-b {
  background: rgba(43, 96, 200, 0.42);
  inset: auto 8% 8% auto;
}

.hero-bg .wave {
  background-repeat: no-repeat;
  opacity: 0.12;
}

.wave-a {
  background-image: radial-gradient(
    circle at center,
    rgba(255, 255, 255, 0.08) 1px,
    transparent 1px
  );
  background-size: 12px 12px;
  mask-image: linear-gradient(
    180deg,
    transparent,
    black 24%,
    black 72%,
    transparent
  );
}

.wave-b {
  background:
    radial-gradient(
      140% 85% at 50% 5%,
      transparent 54%,
      rgba(100, 140, 255, 0.2) 55%,
      transparent 57%
    ),
    radial-gradient(
      130% 78% at 50% 100%,
      transparent 52%,
      rgba(100, 140, 255, 0.14) 53%,
      transparent 55%
    );
  mask-image: linear-gradient(
    180deg,
    transparent 12%,
    black 30%,
    black 75%,
    transparent 92%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 108px 0 72px;
}

.hero-logo {
  width: 172px;
  height: 172px;
  margin: 0 auto 28px;
  object-fit: contain;
  filter: drop-shadow(0 18px 35px rgba(0, 0, 0, 0.24));
}

.eyebrow {
  margin: 0 0 12px;
  color: #9cb3ff;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.3rem, 8vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 3vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-copy,
.section-copy,
.about-copy p,
.feature-description,
.marathon-description,
.track-card p,
.final-cta p {
  color: var(--text-soft);
}

.hero-copy {
  width: min(760px, 100%);
  margin: 0 auto 34px;
  font-size: clamp(1.02rem, 2vw, 1.32rem);
}

.btn {
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: var(--glow);
}

.btn-primary:hover {
  box-shadow: 0 20px 48px rgba(79, 110, 247, 0.34);
}

.btn-secondary,
.clear-filters,
.track-link-secondary {
  background: rgba(14, 26, 51, 0.7);
  border-color: rgba(125, 150, 220, 0.22);
}

.btn-secondary:hover,
.clear-filters:hover,
.track-link-secondary:hover {
  border-color: rgba(125, 150, 220, 0.38);
  background: rgba(18, 34, 65, 0.8);
}

.btn-icon,
.track-link-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 18px;
}

.btn-icon svg,
.track-link-icon svg {
  display: block;
  width: 18px;
  height: 18px;
}

.btn-label,
.track-link-label {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  transform: translateY(-0.5px);
}

.section {
  padding: 96px 0;
}

.section-soft {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0.03)
  );
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading.center {
  text-align: center;
}

.feature-card,
.category-card,
.marathon-card,
.track-card,
.cta-card,
.search-wrap,
.clear-filters {
  border: 1px solid var(--line);
  background: rgba(10, 19, 37, 0.78);
  box-shadow: var(--shadow-soft);
}

.feature-card,
.marathon-card,
.track-card,
.cta-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.feature-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}

.feature-media,
.marathon-cover-wrap,
.track-cover-wrap {
  position: relative;
  background: linear-gradient(
    140deg,
    rgba(28, 47, 93, 0.9),
    rgba(9, 17, 34, 0.95)
  );
}

.feature-media {
  aspect-ratio: 16 / 10;
}

.feature-media img,
.marathon-cover,
.track-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-media::after,
.marathon-cover-wrap::after,
.track-cover-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(5, 13, 27, 0.18) 68%,
    rgba(5, 13, 27, 0.5)
  );
}

.feature-content {
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge,
.track-category,
.track-number,
.tag-chip,
.filter-chip,
.marathon-duration {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  padding: 5px 11px;
  font-size: 0.76rem;
  font-weight: 700;
}

.badge,
.track-category {
  background: rgba(79, 110, 247, 0.16);
  color: #dfe6ff;
}

.feature-title {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.feature-description {
  margin-bottom: 26px;
  font-size: 1.04rem;
}

.feature-actions,
.track-actions {
  flex-wrap: wrap;
}

.category-grid,
.marathon-grid,
.archive-grid {
  display: grid;
  gap: 22px;
}

.category-toolbar {
  display: flex;
  justify-content: center;
  margin: 0 auto 22px;
  max-width: 980px;
}

.category-all-button {
  width: 100%;
  max-width: 360px;
  min-height: auto;
  padding: 18px 22px;
}

.category-all-button h3 {
  margin-bottom: 8px;
}

.category-all-button p {
  margin-bottom: 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 980px;
  margin: 0 auto;
}

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

  .category-toolbar {
    justify-content: stretch;
  }

  .category-all-button {
    max-width: none;
  }
}

.category-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  text-align: left;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.category-card:hover,
.category-card.active {
  transform: translateY(-3px);
  border-color: rgba(125, 150, 220, 0.34);
  background: rgba(13, 24, 48, 0.94);
}

.category-card h3 {
  margin-bottom: 8px;
  font-size: 1.36rem;
}

.category-card p {
  margin-bottom: 0;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.category-icon {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  font-size: 1.7rem;
}

.category-all {
  background: rgba(79, 110, 247, 0.14);
}

.category-lofi {
  background: rgba(123, 92, 255, 0.16);
}

.category-rnb {
  background: rgba(74, 140, 255, 0.16);
}

.category-open {
  background: rgba(240, 108, 160, 0.14);
}

.category-ambient {
  background: rgba(243, 181, 98, 0.2);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(243, 181, 98, 0.08);
}

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

.marathon-cover-wrap {
  aspect-ratio: 16 / 9;
}

.marathon-body {
  padding: 26px;
}

.marathon-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 10px;
}

.marathon-title {
  margin-bottom: 10px;
  font-size: 1.72rem;
}

.marathon-description {
  margin-bottom: 18px;
}

.archive-toolbar {
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.search-wrap {
  flex: 1 1 320px;
  min-height: 60px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  gap: 12px;
}

.search-icon {
  color: var(--muted);
  font-size: 1.2rem;
}

.search-wrap input {
  width: 100%;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
}

.search-wrap input::placeholder {
  color: var(--muted);
}

.clear-filters {
  min-height: 52px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  color: var(--text);
  cursor: pointer;
}

.active-filters,
.archive-meta {
  flex-wrap: wrap;
}

.active-filters,
.tag-row {
  margin-bottom: 14px;
}

.filter-chip,
.tag-chip {
  background: rgba(16, 28, 53, 0.86);
  color: var(--text-soft);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.filter-chip {
  cursor: default;
}

.tag-chip:hover,
.tag-chip.active {
  border-color: rgba(125, 150, 220, 0.42);
  color: var(--text);
}

.tag-chip.active {
  background: rgba(79, 110, 247, 0.18);
}

.tag-scroll-wrap {
  position: relative;
  margin-bottom: 14px;
}

.tag-scroll-wrap {
  position: relative;
  margin-bottom: 14px;
}

.tag-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  flex-wrap: nowrap;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  padding: 2px 56px 6px;
  touch-action: pan-x;
}

.tag-row::-webkit-scrollbar {
  display: none;
}

.tag-chip {
  flex: 0 0 auto;
}

.tag-scroll-button {
  position: absolute;
  top: calc(50% - 2px);
  transform: translateY(-50%);
  z-index: 3;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(125, 150, 220, 0.24);
  border-radius: 999px;
  background: rgba(10, 20, 40, 0.9);
  color: #dfe7ff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease,
    opacity 0.2s ease;
}

.tag-scroll-button span {
  display: inline-block;
  line-height: 1;
  transform: translateY(-1px);
  font-size: 20px;
}

.tag-scroll-button:hover {
  background: rgba(20, 35, 68, 0.96);
  border-color: rgba(125, 150, 220, 0.42);
}

.tag-scroll-button:active {
  transform: translateY(-50%) scale(0.96);
}

.tag-scroll-button:disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.tag-scroll-button-left {
  left: 8px;
}

.tag-scroll-button-right {
  right: 8px;
}

.tag-scroll-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 42px;
  pointer-events: none;
  z-index: 2;
}

.tag-scroll-fade-left {
  left: 0;
  background: linear-gradient(
    90deg,
    rgba(8, 21, 40, 1) 0%,
    rgba(8, 21, 40, 0.82) 35%,
    rgba(8, 21, 40, 0) 100%
  );
}

.tag-scroll-fade-right {
  right: 0;
  background: linear-gradient(
    270deg,
    rgba(8, 21, 40, 1) 0%,
    rgba(8, 21, 40, 0.82) 35%,
    rgba(8, 21, 40, 0) 100%
  );
}

@media (max-width: 640px) {
  .tag-row {
    padding: 2px 44px 6px;
  }

  .tag-scroll-button {
    width: 34px;
    height: 34px;
  }

  .tag-scroll-button-left {
    left: 6px;
  }

  .tag-scroll-button-right {
    right: 6px;
  }
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(125, 150, 220, 0.22);
  background: rgba(16, 28, 53, 0.86);
  color: var(--text-soft);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.tag-chip:hover,
.tag-chip.active {
  border-color: rgba(125, 150, 220, 0.42);
  color: var(--text);
  transform: translateY(-1px);
}

.tag-chip.active {
  background: rgba(79, 110, 247, 0.18);
}

.archive-meta {
  min-height: 22px;
  margin-bottom: 18px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.archive-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.track-card {
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.track-card:hover {
  transform: translateY(-3px);
  border-color: rgba(125, 150, 220, 0.34);
}

.track-cover-wrap {
  aspect-ratio: 16 / 9;
}

.track-number {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  background: rgba(5, 13, 27, 0.78);
}

.track-body {
  padding: 20px 20px 22px;
}

.track-title {
  margin-bottom: 8px;
  font-size: 1.26rem;
  line-height: 1.2;
}

.track-head {
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.track-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.track-tag {
  display: inline-flex;
  border-radius: var(--radius-pill);
  padding: 6px 10px;
  background: rgba(18, 34, 65, 0.88);
  color: var(--text-soft);
  font-size: 0.82rem;
  border: 1px solid rgba(125, 150, 220, 0.12);
}

.track-link {
  line-height: 1;
  flex: 1 1 140px;
  min-height: 48px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  padding: 0 16px;
  border: 1px solid transparent;
}

.track-link-primary {
  background: linear-gradient(
    135deg,
    rgba(79, 110, 247, 0.96),
    rgba(111, 139, 255, 0.96)
  );
  color: #fff;
}

.track-link-secondary {
  color: var(--text);
}

.empty-state {
  text-align: center;
  padding: 56px 24px;
  border: 1px dashed rgba(125, 150, 220, 0.18);
  border-radius: var(--radius-xl);
  background: rgba(10, 19, 37, 0.4);
}

.empty-state.hidden,
.hidden {
  display: none !important;
}

.pagination {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination button {
  min-width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(12, 22, 43, 0.82);
  color: var(--text-soft);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.pagination button:hover:not(:disabled),
.pagination button.active {
  background: rgba(79, 110, 247, 0.18);
  border-color: rgba(125, 150, 220, 0.36);
  color: var(--text);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.about-copy {
  text-align: center;
}

.about-copy p {
  font-size: 1.08rem;
  margin-inline: auto;
  max-width: 780px;
}

.final-cta {
  padding-top: 36px;
}

.cta-card {
  text-align: center;
  padding: 42px 28px;
}

.site-footer {
  border-top: 1px solid rgba(125, 150, 220, 0.08);
  padding: 28px 0 40px;
}

.footer-inner {
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

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

.skeleton-box,
.skeleton-line {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.12),
    rgba(255, 255, 255, 0.04)
  );
  background-size: 200% 100%;
  animation: shimmer 1.35s infinite linear;
}

.skeleton-line {
  height: 18px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.skeleton-line.short {
  width: 68%;
}

.skeleton-pill {
  width: 88px;
  height: 34px;
}

.skeleton-actions {
  display: flex;
  gap: 12px;
  min-height: 54px;
}

.skeleton-actions::before,
.skeleton-actions::after {
  content: "";
  display: block;
  height: 54px;
  width: 180px;
  max-width: 48%;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.12),
    rgba(255, 255, 255, 0.04)
  );
  background-size: 200% 100%;
  animation: shimmer 1.35s infinite linear;
}

/* related resource: zylochord.css:555:1 */
.search-wrap {
  /* the element was label.search-wrap */
  display: flex;
  align-items: center;
}

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -200% 0;
  }
}

@media (max-width: 1100px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 960px) {
  .feature-card,
  .marathon-grid {
    grid-template-columns: 1fr;
  }

  .feature-media {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 720px) {
  .site-shell,
  .narrow {
    width: min(var(--shell), calc(100% - 28px));
  }

  .topbar-inner,
  .footer-inner {
    justify-content: center;
    text-align: center;
  }

  .topbar-inner {
    flex-direction: column;
    gap: 10px;
    min-height: auto;
    padding: 10px 0 12px;
  }

  .top-links,
  .footer-links,
  .section-nav-inner {
    justify-content: center;
    flex-wrap: wrap;
  }

  .top-links {
    width: 100%;
    gap: 8px;
    padding: 5px;
  }

  .top-links a {
    flex: 1 1 0;
    min-height: 42px;
    padding: 0 10px;
    font-size: 0.88rem;
  }

  .hero-logo {
    width: 138px;
    height: 138px;
    margin-bottom: 22px;
  }

  .section {
    padding: 78px 0;
  }

  .feature-content,
  .marathon-body,
  .track-body,
  .cta-card,
  .category-card {
    padding: 22px;
  }

  .category-grid,
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .feature-actions {
    flex-direction: column;
  }

  .btn,
  .track-link,
  .clear-filters {
    width: 100%;
  }

  .track-head,
  .marathon-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .tag-chip,
  .filter-chip {
    padding: 5px 10px;
    font-size: 0.74rem;
  }

  .tag-row {
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 2px;
  }
}

.active-filters:empty {
  display: none;
  margin-bottom: 0;
}

.is-hidden {
  display: none !important;
}

.section-tabs-wrap {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(5, 16, 31, 0.82);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-tabs {
  display: flex;
  gap: 0.7rem;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  padding: 0.85rem 1rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.section-tabs::-webkit-scrollbar {
  display: none;
}

.section-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 139, 255, 0.18);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1;
  transition: 0.2s ease;
}

.section-tab:hover,
.section-tab.active {
  background: rgba(108, 124, 255, 0.16);
  border-color: rgba(124, 139, 255, 0.32);
  color: #fff;
}

@media (min-width: 768px) {
  .section-tabs {
    justify-content: center;
    overflow: visible;
    white-space: normal;
  }
}

.section-tabs-wrap::before,
.section-tabs-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18px;
  pointer-events: none;
  z-index: 2;
}

.section-tabs-wrap::before {
  left: 0;
  background: linear-gradient(
    to right,
    rgba(5, 16, 31, 0.95),
    rgba(5, 16, 31, 0)
  );
}

.section-tabs-wrap::after {
  right: 0;
  background: linear-gradient(
    to left,
    rgba(5, 16, 31, 0.95),
    rgba(5, 16, 31, 0)
  );
}

/* ===== ZyloChord Music Cursor ===== */

.music-cursor {
  position: fixed;
  left: 0;
  top: 0;
  width: 46px;
  height: 46px;
  margin-left: -23px;
  margin-top: -23px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transform: translate3d(-999px, -999px, 0);
  will-change: transform;
  border: 1px solid rgba(121, 168, 255, 0.42);
  background: radial-gradient(
    circle,
    rgba(121, 168, 255, 0.08),
    rgba(121, 168, 255, 0.015)
  );
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    0 0 28px rgba(121, 168, 255, 0.08);
  transition:
    opacity 0.18s ease,
    width 0.18s ease,
    height 0.18s ease,
    margin-left 0.18s ease,
    margin-top 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.music-cursor__eq {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  opacity: 0;
  transition: opacity 0.18s ease;
}

.music-cursor__eq span {
  width: 3px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, #79a8ff, #a57bff);
  transform-origin: center bottom;
}

body.music-cursor-visible .music-cursor {
  opacity: 1;
}

body.music-cursor-hover .music-cursor {
  width: 58px;
  height: 58px;
  margin-left: -29px;
  margin-top: -29px;
  border-color: rgba(121, 168, 255, 0.72);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 0 34px rgba(121, 168, 255, 0.18);
}

body.music-cursor-hover .music-cursor__eq {
  opacity: 1;
}

body.music-cursor-hover .music-cursor__eq span:nth-child(1) {
  animation: zyloCursorBeat 0.65s infinite ease-in-out;
}

body.music-cursor-hover .music-cursor__eq span:nth-child(2) {
  animation: zyloCursorBeat 0.65s infinite ease-in-out 0.1s;
}

body.music-cursor-hover .music-cursor__eq span:nth-child(3) {
  animation: zyloCursorBeat 0.65s infinite ease-in-out 0.2s;
}

@keyframes zyloCursorBeat {
  0%,
  100% {
    transform: scaleY(0.65);
    opacity: 0.72;
  }
  50% {
    transform: scaleY(1.45);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce), (hover: none), (pointer: coarse) {
  .music-cursor {
    display: none;
  }
}

.tag-row {
  cursor: grab;
  user-select: none;
}

.tag-row.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}

.tag-row.is-dragging .tag-chip {
  pointer-events: none;
}

.marathon-card-placeholder {
  border: 1px dashed rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.03),
      rgba(255, 255, 255, 0.02)
    ),
    rgba(255, 255, 255, 0.02);
}

.marathon-card-placeholder .marathon-body {
  min-height: 180px;
  display: flex;
  align-items: center;
}

.marathon-duration {
  white-space: nowrap;
  flex-shrink: 0;
  min-width: max-content;
  padding: 7px 14px;
  border-radius: 999px;
}

.marathon-card-placeholder .marathon-duration {
  opacity: 0.8;
}

#marathonGrid {
  justify-content: center;
}

#marathonGrid .marathon-card-placeholder {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 760px);
  margin-inline: auto;
}

#marathonGrid .marathon-card:only-child {
  grid-column: 1 / -1;
  width: min(100%, 680px);
  justify-self: center;
}

#marathonGrid .marathon-card:only-child {
  grid-column: 1 / -1;
  width: min(100%, 620px);
  justify-self: center;
}

.marathon-cover-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.marathon-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.marathon-body {
  padding: 24px;
}

.marathon-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Scroll to top ===== */

.scroll-top-btn {
  position: fixed;
  right: calc(24px + env(safe-area-inset-right));
  bottom: calc(24px + env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #ffffff;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  pointer-events: none;
  touch-action: manipulation;
  transition:
    opacity 0.22s ease,
    transform 0.22s ease,
    visibility 0.22s ease;
}

.scroll-top-btn svg {
  width: 34px;
  height: 34px;
  display: block;
}

.scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top-btn:hover {
  transform: translateY(-2px);
}

.scroll-top-btn:focus-visible {
  outline: none;
}

@media (max-width: 819px) {
  .scroll-top-btn {
    right: calc(12px + env(safe-area-inset-right));
    bottom: calc(18px + env(safe-area-inset-bottom));
    width: 52px;
    height: 52px;
  }

  .scroll-top-btn svg {
    width: 32px;
    height: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-top-btn {
    transition: none;
  }
}