/* Hallmark · macrostructure: Catalogue · tone: playful · anchor hue: 95
 * genre: playful · theme: Hum · enrichment: Tier-A CSS character moment
 * nav: N1b (knobs: links=4, dropdowns=none, scroll=frost-on-scroll)
 * footer: Ft8 (knobs: speed=32s, direction=left, glyph=middot)
 * pre-emit critique: P5 H4 E5 S4 R5 V5 */
@import "base.css";

/* ---------- nav (N1b: wordmark · centre links · CTA) ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}

.nav.is-scrolled {
  background: color-mix(in oklch, var(--color-paper) 72%, transparent);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--color-rule);
  box-shadow: var(--shadow-nav);
}

.nav__inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
}

.nav__brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.015em;
  white-space: nowrap;
}

.nav__logo {
  width: 30px;
  height: 30px;
}

.nav__center {
  display: none;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-ink);
  background: var(--color-paper-3);
}

.nav__link:active {
  color: var(--color-ink);
  transform: translateY(1px);
}

.nav__right {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-input);
  background: transparent;
  cursor: pointer;
}

.nav__toggle-bar,
.nav__toggle-bar::before,
.nav__toggle-bar::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-ink);
  transition: transform var(--dur-short) var(--ease-out);
}

.nav__toggle-bar {
  position: relative;
}

.nav__toggle-bar::before {
  position: absolute;
  top: -6px;
  left: 0;
}

.nav__toggle-bar::after {
  position: absolute;
  top: 6px;
  left: 0;
}

.nav.is-open .nav__toggle-bar {
  transform: rotate(45deg);
}

.nav.is-open .nav__toggle-bar::before {
  transform: translateY(6px) rotate(90deg);
}

.nav.is-open .nav__toggle-bar::after {
  transform: translateY(-6px) rotate(90deg);
}

.nav__panel {
  display: none;
}

.nav.is-open .nav__panel:not([hidden]) {
  display: grid;
  gap: 0.25rem;
  position: fixed;
  top: 64px;
  inset-inline: 0;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-rule);
  padding: var(--space-md) var(--page-gutter);
}

/* ---------- hero (Catalogue: brand + tagline, mascot off-grid) ---------- */
.hero {
  padding-block-start: var(--space-4xl);
  padding-block-end: var(--section-gap);
}

.hero__inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

.hero__title {
  font-size: clamp(2.25rem, 4vw + 0.75rem, 3.75rem);
  margin: 0;
}

.hero__tagline {
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
  max-width: 45ch;
  margin: var(--space-md) 0 0;
}

/* character moment — a CSS-built mouse (Tier A), reacts on hover */
.mouse {
  position: relative;
  width: 116px;
  height: 116px;
  justify-self: center;
  margin-block-start: var(--space-md);
  animation: mouse-breathe 4s var(--ease-in-out) infinite;
  transform-origin: 50% 88%;
}

.mouse__ear {
  position: absolute;
  top: 4px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-accent);
  transition: transform var(--dur-short) var(--ease-spring);
}

.mouse__ear::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--color-paper);
  opacity: 0.75;
}

.mouse__ear--l {
  left: 10px;
}

.mouse__ear--r {
  right: 10px;
}

.mouse__body {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 82px;
  height: 80px;
  border-radius: 50% 50% 46% 46% / 58% 58% 42% 42%;
  background: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.mouse__eye {
  position: absolute;
  top: 28px;
  width: 8px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-ink);
}

.mouse__eye--l {
  left: 21px;
}

.mouse__eye--r {
  right: 21px;
}

.mouse__nose {
  position: absolute;
  top: 44px;
  left: 50%;
  transform: translateX(-50%);
  width: 9px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-3);
}

.mouse__tail {
  position: absolute;
  right: -8px;
  bottom: 10px;
  width: 40px;
  height: 40px;
  border: 5px solid transparent;
  border-top-color: var(--color-accent-deep);
  border-radius: 50%;
  transform: rotate(28deg);
}

.hero:hover .mouse__ear {
  transform: translateY(-5px);
}

@keyframes mouse-breathe {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
}

/* ---------- sections + one shell ---------- */
.section {
  max-width: var(--shell);
  margin-inline: auto;
  padding: var(--section-gap) var(--page-gutter);
}

.section + .section {
  border-top: 1px dashed var(--color-rule-strong);
}

.section--band {
  max-width: none;
  padding-inline: 0;
  background: var(--color-paper-2);
}

.section--band > .section__inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section__inner {
  scroll-margin-top: 84px;
}

.section-head {
  display: grid;
  gap: var(--space-2xs);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 0;
}

.section-meta {
  margin: 0;
}

/* ---------- tools catalogue ---------- */
.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  min-width: 0;
  border-radius: var(--radius-card);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  background: var(--card-tint);
  transition: transform var(--dur-short) var(--ease-spring), box-shadow var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  background: var(--card-tint-strong);
}

.tool-card--pear {
  --card-tint: var(--tint-pear);
  --card-tint-strong: var(--tint-pear-strong);
}

.tool-card--cyan {
  --card-tint: var(--tint-cyan);
  --card-tint-strong: var(--tint-cyan-strong);
  --btn-face: var(--color-accent-2);
  --btn-edge: transparent;
  --btn-cast: var(--shadow-btn-cast-cyan);
}

.tool-card--coral {
  --card-tint: var(--tint-coral);
  --card-tint-strong: var(--tint-coral-strong);
  --btn-face: var(--color-accent-3);
  --btn-edge: transparent;
  --btn-cast: var(--shadow-btn-cast-coral);
}

.tool-card--map {
  --card-tint: var(--tint-lavender);
  --card-tint-strong: var(--tint-lavender-strong);
  --btn-face: var(--color-lavender);
  --btn-edge: transparent;
  --btn-cast: var(--shadow-btn-cast-lavender);
}

.tool-card--scratch {
  --card-tint: var(--tint-coral);
  --card-tint-strong: var(--tint-coral-strong);
  --btn-face: var(--color-accent-3);
  --btn-edge: transparent;
  --btn-cast: var(--shadow-btn-cast-coral);
}

.tool-card--count {
  --card-tint: var(--tint-mint);
  --card-tint-strong: var(--tint-mint-strong);
  --btn-face: var(--color-mint);
  --btn-edge: transparent;
  --btn-cast: var(--shadow-btn-cast-mint);
}

.tool-card__title {
  font-size: var(--text-lg);
  margin: 0;
}

.tool-card__body {
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-sm);
}

.tool-card .btn {
  margin-top: auto;
}

/* abstract CSS marks, one per card */
.mark {
  display: block;
  position: relative;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-sm);
}

.mark i {
  font-style: normal;
}

.mark--calc {
  background: var(--tint-pear);
  border: 2px solid var(--color-accent-deep);
  border-radius: 14px;
}

.mark--calc::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 12px;
  right: 12px;
  height: 7px;
  border-radius: 4px;
  background: var(--color-accent-deep);
}

.mark--calc i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent-deep);
  top: 27px;
}

.mark--calc i:nth-child(1) {
  left: 12px;
}

.mark--calc i:nth-child(2) {
  left: 25px;
}

.mark--calc i:nth-child(3) {
  left: 38px;
}

.mark--calc i:nth-child(4) {
  top: 40px;
  left: 12px;
}

.mark--mine {
  display: grid;
  grid-template-columns: repeat(3, 12px);
  gap: 6px;
  align-content: start;
  justify-content: start;
}

.mark--mine i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent-2);
  opacity: 0.9;
}

.mark--mine i:nth-child(5) {
  background: var(--color-accent-3);
}

.mark--run {
  width: 58px;
  height: 52px;
}

.mark--run::before {
  content: "";
  position: absolute;
  left: 6px;
  bottom: 4px;
  width: 42px;
  height: 36px;
  border-radius: 50% 50% 44% 44% / 60% 60% 40% 40%;
  background: var(--tint-coral-strong);
  border: 2px solid var(--color-accent-3);
}

.mark--run::after {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--tint-coral-strong);
  border: 2px solid var(--color-accent-3);
}

.mark--map {
  background: var(--tint-lavender);
  border: 2px solid var(--color-lavender);
  border-radius: 14px;
}

.mark--map::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  top: 27px;
  border-top: 2px dashed var(--color-lavender);
}

.mark--map::after {
  content: "";
  position: absolute;
  left: 29px;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: var(--color-accent-3);
}

.mark--card {
  background: var(--tint-coral);
  border: 2px dashed var(--color-accent-3);
  border-radius: 12px;
}

.mark--card::after {
  content: "?";
  font-family: var(--font-label);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-accent-3);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.mark--count {
  background: var(--tint-mint);
  border: 2px solid var(--color-mint);
  border-radius: 14px;
}

.mark--count::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 12px;
  right: 12px;
  height: 7px;
  border-radius: 4px;
  background: var(--color-mint);
}

.mark--count i {
  position: absolute;
  top: 28px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-mint);
}

.mark--count i:nth-child(1) {
  left: 12px;
}

.mark--count i:nth-child(2) {
  left: 25px;
}

.mark--count i:nth-child(3) {
  left: 38px;
}

/* ---------- guide ---------- */
.guide__list {
  list-style: none;
  counter-reset: step;
  margin: var(--space-xl) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.guide__step {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-md) var(--space-lg);
  align-items: start;
  border: 1px dashed var(--color-rule-strong);
  border-radius: var(--radius-card);
  background: var(--color-paper);
  padding: var(--space-lg);
}

.guide__step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  border: 1px dashed var(--color-rule-strong);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.6rem;
}

.guide__step h3 {
  font-size: var(--text-md);
  margin: 0;
}

.guide__step p {
  color: var(--color-ink-soft);
  margin: var(--space-2xs) 0 0;
}

/* ---------- faq ---------- */
.faq__list {
  margin-top: var(--space-xl);
}

.faq__item {
  border-top: 1px dashed var(--color-rule-strong);
}

.faq__item:last-child {
  border-bottom: 1px dashed var(--color-rule-strong);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-md);
  font-weight: 600;
  font-size: var(--text-md);
  min-height: 44px;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary:active {
  color: var(--color-ink);
}

.faq__item summary::after {
  content: "+";
  font-family: var(--font-label);
  color: var(--color-accent-2);
  transition: transform var(--dur-short) var(--ease-out);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__answer {
  color: var(--color-ink-soft);
  margin: 0;
  padding-bottom: var(--space-md);
}

/* ---------- about ---------- */
.about__body {
  font-size: var(--text-md);
  color: var(--color-ink-soft);
  margin: var(--space-md) 0 0;
}

/* ---------- resources ---------- */
.resources__list {
  list-style: none;
  margin: var(--space-xl) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-xs);
}

.resources__list a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding-block: 0.35rem;
  font-weight: 600;
  color: var(--color-link);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out);
}

.resources__list a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

.resources__list a:active {
  color: var(--color-ink);
  transform: translateY(1px);
}

/* ---------- footer (Ft8 marquee + meta) ---------- */
.foot {
  border-top: 2px solid var(--color-ink);
}

.foot__marquee {
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-paper);
}

.foot__track {
  display: flex;
  width: max-content;
  animation: foot-marquee 32s linear infinite;
}

.foot__track span {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  white-space: nowrap;
  padding-right: var(--space-2xl);
}

.foot__dot {
  font-style: normal;
  color: var(--color-accent-3);
  padding-inline: 0.2em;
}

.foot__marquee:hover .foot__track {
  animation-play-state: paused;
}

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

.foot__meta {
  max-width: var(--shell);
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  justify-content: space-between;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.foot__meta p {
  margin: 0;
}

.foot__meta a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--color-rule-strong);
}

/* ---------- responsive ---------- */
@media (min-width: 40rem) {
  .nav__inner {
    grid-template-columns: 1fr auto 1fr;
  }

  .nav__center {
    display: flex;
    justify-self: center;
    gap: 0.35rem;
  }

  .nav__toggle {
    display: none;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .mouse {
    justify-self: end;
    margin-block-start: 0;
    width: 132px;
    height: 132px;
  }

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

@media (pointer: coarse) {
  .btn,
  .nav__link,
  .resources__list a,
  .faq__item summary {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .foot__track,
  .mouse {
    animation: none !important;
  }
}