:root {
  --color-maroon: #3A0D14;
  --color-burgundy: #651C2A;
  --color-gold: #C9A227;
  --color-gold-light: #E3C45A;
  --color-gold-ink: #5E480E;
  --color-ivory: #F7F1E3;
  --color-ivory-deep: #EFE4CF;
  --color-text: #21191A;
  --color-muted: #4A3C38;
  --color-line: rgba(201, 162, 39, 0.55);
  --font: "Leelawadee UI", "Segoe UI", Tahoma, sans-serif;
  --header-h: 4.5rem;
  --max: 72rem;
  --shadow: 0 18px 40px rgba(33, 25, 26, 0.14);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-ivory);
  line-height: 1.75;
  font-size: 1.0625rem;
}

body.modal-open {
  overflow: hidden;
}

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

a {
  color: var(--color-burgundy);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-gold-ink);
}

a[href="https://grandyachtclub.com/"] {
  color: var(--color-gold-ink);
  text-decoration: none;
}

a[href="https://grandyachtclub.com/"]:hover {
  color: var(--color-burgundy);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--color-maroon);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px var(--color-gold);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--color-gold);
  color: var(--color-maroon);
  padding: 0.6rem 1rem;
  font-weight: 700;
}

.skip:focus {
  top: 0.75rem;
}

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

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(46rem, 100%);
}

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

h1,
h2,
h3 {
  line-height: 1.35;
  font-weight: 700;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-gold-ink);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--color-gold);
  background: var(--color-maroon);
  padding: 0.15rem 0.45rem;
  letter-spacing: 0.08em;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin-bottom: 0.35rem;
}

.rule {
  width: 4.5rem;
  height: 1px;
  background: var(--color-gold);
  border: 0;
  margin: 0.85rem 0 1.25rem;
}

.lede {
  font-size: 1.12rem;
  max-width: 42rem;
}

.note {
  border-left: 3px solid var(--color-gold);
  background: rgba(201, 162, 39, 0.1);
  padding: 0.9rem 1rem;
  margin: 1.25rem 0 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-h);
  background: var(--color-maroon);
  border-bottom: 1px solid var(--color-line);
}

.site-header .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-ivory);
  text-decoration: none;
  min-width: 0;
}

.logo:hover {
  color: var(--color-ivory);
}

.logo img {
  width: 2rem;
  height: 2rem;
  flex: none;
}

.logo strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  min-height: 2.75rem;
  padding: 0.55rem 1.15rem;
  background: var(--color-gold);
  color: var(--color-maroon);
  border: 1px solid var(--color-gold);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-cta:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  color: var(--color-maroon);
}

.hero {
  position: relative;
  background: var(--color-maroon);
  color: var(--color-ivory);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/icons/pattern.svg");
  background-size: 92px 92px;
  opacity: 0.09;
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  display: grid;
  gap: 2rem;
  padding: 2.5rem 0 3rem;
  align-items: center;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--color-gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero h1 {
  margin-bottom: 0.4rem;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  color: var(--color-gold);
  line-height: 1.15;
}

.hero .subhead {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  color: var(--color-ivory);
}

.hero p {
  color: var(--color-ivory);
  max-width: 38rem;
}

.hero .btn-cta {
  margin-top: 0.5rem;
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-gold);
  object-fit: cover;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
}

.hero-pills li {
  border: 1px solid var(--color-line);
  color: var(--color-ivory);
  padding: 0.2rem 0.65rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.toc-section {
  padding: 3.5rem 0;
  background:
    linear-gradient(var(--color-ivory), var(--color-ivory)) padding-box,
    var(--color-ivory);
}

.toc-section h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  margin-bottom: 0.4rem;
}

.toc {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.7rem;
}

.toc a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  background: #fffdf8;
  border: 1px solid rgba(201, 162, 39, 0.35);
  padding: 0.85rem 1rem;
  min-height: 4.5rem;
}

.toc a:hover {
  border-color: var(--color-gold);
  background: #fff;
}

.toc__num {
  font-size: 1.35rem;
  color: var(--color-gold);
  background: var(--color-maroon);
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
}

.toc strong {
  display: block;
  font-size: 1.02rem;
}

.toc small {
  display: block;
  color: var(--color-muted);
  line-height: 1.45;
}

.band {
  padding: 4rem 0;
}

.band-ivory {
  background: var(--color-ivory);
}

.band-deep {
  background: var(--color-ivory-deep);
}

.band-maroon {
  background: var(--color-maroon);
  color: var(--color-ivory);
}

.band-burgundy {
  background: var(--color-burgundy);
  color: var(--color-ivory);
}

.band-maroon .eyebrow,
.band-burgundy .eyebrow {
  color: var(--color-gold-light);
}

.band-maroon h2,
.band-burgundy h2,
.band-maroon h3,
.band-burgundy h3 {
  color: var(--color-gold);
}

.band-maroon p,
.band-burgundy p,
.band-maroon li,
.band-burgundy li {
  color: var(--color-ivory);
}

.split {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.split > * {
  min-width: 0;
}

.split img,
.frame img {
  width: 100%;
  border: 1px solid var(--color-line);
}

.frame {
  margin: 0;
}

.frame figcaption,
.caption {
  margin-top: 0.55rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.band-maroon .caption,
.band-burgundy .caption {
  color: var(--color-ivory);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.chips li {
  border: 1px solid var(--color-gold);
  color: var(--color-gold-ink);
  background: #fffdf8;
  padding: 0.25rem 0.7rem;
  letter-spacing: 0.06em;
}

.band-maroon .chips li {
  color: var(--color-ivory);
  background: transparent;
}

.terms {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.term {
  background: #fffdf8;
  color: var(--color-text);
  border: 1px solid rgba(201, 162, 39, 0.4);
  padding: 1.15rem 1.15rem 1rem;
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.term h3,
.term p {
  color: var(--color-text);
}

.term__en {
  margin-bottom: 0.2rem;
  color: var(--color-gold-ink);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
}

.term h3 {
  font-size: 1.35rem;
  margin-bottom: 0.55rem;
}

.term__meta {
  margin: 0.7rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(201, 162, 39, 0.35);
}

.term__meta span {
  display: block;
  color: var(--color-gold-ink);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.term-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.flow {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  min-width: 0;
}

.flow article {
  background: #fffdf8;
  border: 1px solid rgba(201, 162, 39, 0.45);
  padding: 1rem 1rem 1.1rem;
}

.flow h3 {
  margin-bottom: 0.8rem;
  color: var(--color-burgundy);
}

.flow ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.flow li {
  position: relative;
  padding: 0.75rem 0.85rem 0.75rem 3rem;
  background: var(--color-ivory);
  border: 1px solid rgba(201, 162, 39, 0.28);
}

.flow li::before {
  content: "";
  position: absolute;
  left: 1.35rem;
  top: -0.55rem;
  bottom: -0.55rem;
  width: 1px;
  background: var(--color-gold);
}

.flow li:first-child::before {
  top: 50%;
}

.flow li:last-child::before {
  bottom: 50%;
}

.flow li::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 50%;
  width: 0.65rem;
  height: 0.65rem;
  transform: translateY(-50%) rotate(45deg);
  border: 1px solid var(--color-gold);
  background: var(--color-ivory);
}

.flow strong {
  display: block;
}

.flow small {
  color: var(--color-muted);
}

.glossary-stack {
  display: grid;
  gap: 0.85rem;
}

.mini-term {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(201, 162, 39, 0.35);
}

.mini-term h3 {
  margin-bottom: 0.25rem;
  font-size: 1.12rem;
}

.mini-term p:last-child {
  margin-bottom: 0;
}

.calcs {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.calc {
  background: var(--color-ivory);
  color: var(--color-text);
  padding: 1rem;
  border: 1px solid var(--color-gold);
}

.calc h3,
.calc p {
  color: var(--color-text);
}

.calc__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.8rem;
}

.pip {
  min-width: 3.2rem;
  min-height: 4.4rem;
  padding: 0.4rem;
  display: grid;
  place-items: center;
  background: #fffdf8;
  border: 1px solid var(--color-burgundy);
  color: var(--color-maroon);
  font-size: 1.35rem;
  font-weight: 700;
}

.op,
.arrow {
  color: var(--color-gold-ink);
  font-weight: 700;
}

.result {
  margin: 0.2rem 0 0;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-burgundy);
}

.equip {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.equip li {
  background: #fffdf8;
  border-top: 2px solid var(--color-gold);
  padding: 0.85rem 1rem;
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.equip h3 {
  margin-bottom: 0.3rem;
  font-size: 1.12rem;
}

.equip p {
  margin: 0;
}

.schematic {
  margin-top: 1.25rem;
  background: var(--color-maroon);
  color: var(--color-ivory);
  border: 1px solid var(--color-gold);
  padding: 1rem;
}

.schematic p,
.schematic span {
  color: var(--color-ivory);
}

.schematic__top,
.schematic__mid,
.schematic__areas {
  display: grid;
  gap: 0.5rem;
}

.schematic span {
  display: grid;
  place-items: center;
  min-height: 3rem;
  text-align: center;
  padding: 0.4rem;
  border: 1px solid var(--color-line);
  font-size: 0.92rem;
}

.schematic .dealer {
  margin-top: 0.5rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.road-intro {
  max-width: 44rem;
}

.roads {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.road-card {
  background: rgba(247, 241, 227, 0.04);
  border: 1px solid var(--color-line);
  padding: 1rem;
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.road-card h3 {
  margin-bottom: 0.35rem;
}

.road-board {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(6, 2.15rem);
  grid-auto-columns: 2.15rem;
  gap: 0.35rem;
  width: max-content;
  max-width: 100%;
  margin: 1rem 0;
  padding: 0.75rem;
  background: #2a0a10;
  border: 1px solid var(--color-line);
  overflow-x: auto;
}

.big-board,
.derived-board {
  display: grid;
  gap: 0.35rem;
  width: max-content;
  margin: 1rem 0;
  padding: 0.75rem;
  background: #2a0a10;
  border: 1px solid var(--color-line);
}

.big-board {
  grid-template-columns: repeat(6, 2.15rem);
  grid-template-rows: repeat(3, 2.15rem);
}

.cell {
  width: 2.15rem;
  height: 2.15rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  position: relative;
}

.cell.b {
  background: var(--color-gold);
  color: var(--color-maroon);
}

.cell.p {
  background: var(--color-ivory);
  color: var(--color-maroon);
}

.cell.t {
  background: transparent;
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold-light);
}

.cell.tie::after {
  content: "";
  position: absolute;
  width: 130%;
  height: 1px;
  background: var(--color-ivory);
  transform: rotate(-32deg);
}

.mark {
  width: 2.15rem;
  height: 2.15rem;
  display: grid;
  place-items: center;
}

.mark.match i,
.mark.diff i {
  display: block;
}

.ring i {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
}

.ring.diff i {
  border-color: var(--color-ivory);
}

.dot i {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: var(--color-gold);
}

.dot.diff i {
  background: var(--color-ivory);
}

.slash i {
  width: 1.15rem;
  height: 2px;
  background: var(--color-gold);
  transform: rotate(-40deg);
}

.slash.diff i {
  background: var(--color-ivory);
}

.derived-board.eye {
  grid-template-columns: repeat(4, 2.15rem);
  grid-template-rows: repeat(4, 2.15rem);
}

.derived-board.small {
  grid-template-columns: repeat(4, 2.15rem);
  grid-template-rows: repeat(2, 2.15rem);
}

.derived-board.roach {
  grid-template-columns: repeat(3, 2.15rem);
  grid-template-rows: repeat(1, 2.15rem);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  padding: 0;
  margin: 0.4rem 0 0;
  list-style: none;
  font-size: 0.92rem;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.callout {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  background: var(--color-ivory);
  color: var(--color-text);
  border-top: 3px solid var(--color-gold);
}

.callout p,
.callout strong {
  color: var(--color-text);
}

.compare {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.compare__head,
.compare__row {
  display: grid;
  gap: 0.35rem 1rem;
}

.compare__head {
  display: none;
}

.compare__row {
  background: #fffdf8;
  border: 1px solid rgba(201, 162, 39, 0.4);
  padding: 1rem;
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.compare h3 {
  margin-bottom: 0.35rem;
  color: var(--color-burgundy);
  font-size: 1.2rem;
}

.compare p {
  margin: 0.35rem 0 0;
}

.k {
  display: block;
  color: var(--color-gold-ink);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.duo {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.duo article {
  padding: 1.1rem;
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.duo .live {
  background: var(--color-maroon);
  color: var(--color-ivory);
  border: 1px solid var(--color-gold);
}

.duo .rng {
  background: #fffdf8;
  border: 1px solid rgba(201, 162, 39, 0.45);
}

.duo h3 {
  margin-bottom: 0.4rem;
}

.duo .live h3,
.duo .live p {
  color: var(--color-ivory);
}

.duo .live h3 {
  color: var(--color-gold);
}

.myths {
  display: grid;
  gap: 0.9rem;
}

.myth {
  display: grid;
  gap: 0.8rem;
  background: #fffdf8;
  border: 1px solid rgba(201, 162, 39, 0.4);
  padding: 1rem;
}

.myth h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.myth__label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--color-gold-ink);
}

.myth__fact {
  background: var(--color-ivory);
  padding: 0.85rem;
  border-top: 2px solid var(--color-gold);
}

.alpha-nav {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  position: sticky;
  top: var(--header-h);
  z-index: 8;
  margin: 1rem 0;
  padding: 0.55rem 0;
  background: var(--color-ivory-deep);
}

.alpha-nav a {
  flex: none;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  text-decoration: none;
  border: 1px solid var(--color-gold);
  color: var(--color-maroon);
  background: #fffdf8;
  font-weight: 700;
}

.alpha-nav a:hover {
  background: var(--color-maroon);
  color: var(--color-gold);
}

.alpha-group {
  scroll-margin-top: calc(var(--header-h) + 3.4rem);
  margin-top: 1.25rem;
}

.alpha-group h3 {
  margin-bottom: 0.45rem;
  color: var(--color-burgundy);
  font-size: 1.4rem;
}

.alpha-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.alpha-group li {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid rgba(201, 162, 39, 0.28);
}

.alpha-group a {
  font-weight: 700;
  text-decoration: none;
}

.alpha-group li span {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.faq {
  display: grid;
  gap: 0.65rem;
}

.faq__item {
  background: #fffdf8;
  border: 1px solid rgba(201, 162, 39, 0.4);
}

.faq h3 {
  margin: 0;
  font-size: 1.05rem;
}

.faq__btn {
  width: 100%;
  text-align: left;
  font: inherit;
  font-weight: 700;
  color: var(--color-text);
  background: transparent;
  border: 0;
  padding: 0.95rem 2.6rem 0.95rem 1rem;
  cursor: pointer;
  position: relative;
  min-height: 3.25rem;
}

.faq__btn::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gold-ink);
  font-size: 1.3rem;
}

.faq__btn[aria-expanded="true"]::after {
  content: "–";
}

.faq__panel {
  padding: 0 1rem 1rem;
}

.faq__panel p:last-child {
  margin-bottom: 0;
}

.responsible {
  border: 1px solid var(--color-gold);
  background: var(--color-maroon);
  color: var(--color-ivory);
  padding: 1.3rem 1.2rem;
}

.responsible h2 {
  color: var(--color-gold);
}

.responsible p,
.responsible li {
  color: var(--color-ivory);
}

.responsible ul {
  margin: 0;
  padding-left: 1.15rem;
}

.site-footer {
  background: var(--color-maroon);
  color: var(--color-ivory);
  padding: 2.5rem 0 1.5rem;
  border-top: 1px solid var(--color-line);
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

.site-footer .logo strong,
.site-footer p {
  color: var(--color-ivory);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
}

.site-footer a,
.site-footer button {
  color: var(--color-ivory);
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer button:hover {
  color: var(--color-gold-light);
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  margin-top: 0.8rem;
}

.copyright {
  margin: 1.4rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--color-line);
  color: var(--color-ivory);
  font-size: 0.92rem;
}

.to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 25;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--color-gold);
  background: var(--color-maroon);
  color: var(--color-gold);
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.to-top:hover {
  background: var(--color-burgundy);
  color: var(--color-gold-light);
}

dialog.modal {
  border: 1px solid var(--color-gold);
  padding: 0;
  width: min(40rem, calc(100vw - 1.5rem));
  max-height: min(86vh, 42rem);
  background: var(--color-ivory);
  color: var(--color-text);
  box-shadow: var(--shadow);
}

dialog.modal::backdrop {
  background: rgba(33, 25, 26, 0.72);
}

.modal__panel {
  padding: 1.25rem 1.2rem 1.4rem;
  max-height: min(86vh, 42rem);
  overflow: auto;
}

.modal__close {
  float: right;
  margin: 0 0 0.4rem 0.8rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-gold);
  background: var(--color-maroon);
  color: var(--color-gold);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.modal__close:hover {
  background: var(--color-burgundy);
  color: var(--color-gold-light);
}

.modal__panel h2 {
  color: var(--color-burgundy);
  font-size: 1.45rem;
  margin-bottom: 0.7rem;
}

.suits {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
}

.suits img {
  width: 1.6rem;
  height: 1.6rem;
}

section[id],
.term,
.mini-term,
.equip li,
.road-card,
.compare__row,
.duo article,
.alpha-group {
  scroll-margin-top: calc(var(--header-h) + 0.8rem);
}

.alpha-group {
  scroll-margin-top: calc(var(--header-h) + 3.5rem);
}

@media (min-width: 700px) {
  .split .flow {
    grid-template-columns: 1fr;
  }

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

  .terms-feature {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

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

  .schematic__top {
    grid-template-columns: 1.2fr 0.8fr 1fr;
  }

  .schematic__areas {
    grid-template-columns: 1.2fr 0.7fr 1.2fr;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .hero .wrap,
  .split {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .split.flip {
    grid-template-columns: 0.9fr 1.1fr;
  }

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

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

  .road-card.wide {
    grid-column: 1 / -1;
  }

  .alpha-group ul {
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem 1.5rem;
  }

  .compare__head {
    display: grid;
    grid-template-columns: 0.9fr 1fr 1.35fr 1.15fr;
    color: var(--color-gold);
    padding: 0 0.2rem;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
  }

  .compare__row {
    grid-template-columns: 0.9fr 1fr 1.35fr 1.15fr;
    align-items: start;
  }

  .compare__row .k {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }
}

@media (min-width: 1100px) {
  .terms-rest {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 420px) {
  .logo strong {
    font-size: 0.95rem;
  }

  .btn-cta {
    padding-inline: 0.7rem;
    font-size: 0.92rem;
  }

  .wrap {
    width: min(var(--max), calc(100% - 1.4rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}