@font-face { font-family: 'Insaniburger'; src: url('../fonts/insaniburger.ttf') format('truetype'); font-weight: 400; font-display: swap; }
@property --tilt { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

/* ---------- Tokens ---------- */
:root {
  /* Base palette (oklch). Every other shade is derived with color-mix. */
  --paper: oklch(95.4% 0.021 85.9);
  --card: oklch(99.1% 0.011 89.7);
  --manila: oklch(87.9% 0.056 85);
  --cork: oklch(70.3% 0.088 71.3);
  --ink: oklch(14.5% 0 none);
  --white: oklch(100% 0 none);
  --hl: oklch(96.8% 0.211 109.8);
  --tomato: oklch(63.7% 0.184 36.5);
  --rule: oklch(84.5% 0.04 249.5);
  --pencil: oklch(50% 0.05 150);
  --shadow-ink: oklch(22.9% 0.035 64.5);
  --paper-2: color-mix(in oklch, var(--paper), var(--manila) 40%);
  --ink-2: color-mix(in oklch, var(--ink), var(--paper) 22%);
  --muted: color-mix(in oklch, var(--ink), var(--paper) 50%);
  --note: color-mix(in oklch, var(--hl) 40%, var(--card));
  --stamp: color-mix(in oklch, var(--tomato), black 18%);
  --tape: color-mix(in oklch, var(--card) 72%, transparent);
  --shadow: 0 1px 1px color-mix(in oklch, var(--shadow-ink) 12%, transparent), 0 10px 22px -10px color-mix(in oklch, var(--shadow-ink) 45%, transparent);
  --shadow-lift: 0 30px 40px -18px color-mix(in oklch, var(--shadow-ink) 55%, transparent);

  --f-display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
  --f-body: 'Inter', system-ui, -apple-system, sans-serif;
  --f-hand: 'Caveat', 'Segoe Print', cursive;
  --f-stamp: 'Insaniburger', 'Bricolage Grotesque', sans-serif;

  /* Fluid sizes: one clamp per size, rem + vw, rem bounds */
  --fs-hero: clamp(2.6rem, 0.4rem + 11.5cqi, 6.4rem);
  --fs-h2: clamp(2.2rem, 1.53rem + 2.96vw, 4.2rem);
  --fs-h3: clamp(1.5rem, 1.25rem + 1.1vw, 2rem);
  --fs-team: clamp(2rem, 1.5rem + 2.2vw, 3rem);
  --fs-lead: clamp(1.2rem, 1.03rem + 0.75vw, 1.55rem);
  --fs-hand: clamp(1.45rem, 1.3rem + 0.6vw, 1.9rem);
  --fs-hand-xl: clamp(2.2rem, 1.9rem + 1.3vw, 3rem);
  --fs-stamp: clamp(1.6rem, 1.3rem + 1.2vw, 2.5rem);
  --fs-faq: clamp(1.15rem, 1.03rem + 0.5vw, 1.4rem);
  --fs-letter: clamp(1.08rem, 1rem + 0.35vw, 1.22rem);
  --fs-foot: clamp(2.4rem, 1.9rem + 2.2vw, 3.6rem);
  --fs-goal: clamp(3rem, 2.2rem + 3.5vw, 5.5rem);
  --fs-thanks: clamp(3.5rem, 2.2rem + 5.8vw, 7.4rem);
  --space-section: clamp(4rem, 2.7rem + 5.6vw, 7.5rem);
  --space-l: clamp(1.75rem, 1.2rem + 2.4vw, 3rem);
  --space-m: clamp(1.25rem, 1rem + 1.2vw, 2.25rem);
  --gutter: clamp(1.25rem, 0.65rem + 2.7vw, 3rem);
  --orbit: clamp(15.5rem, 9rem + 16vw, 26rem);
  --letter-margin: clamp(2.1rem, 0.8rem + 5.8vw, 5.75rem);
  --head-h: 4.375rem;

  /* Motion tokens */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --rough: 12px 16px 10px 18px / 16px 10px 18px 12px;

  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2 0 0 0 0 .14 0 0 0 0 .06 .7 0 0 0 -.25'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --ink-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='m'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2.4 0 0 0 2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23m)'/%3E%3C/svg%3E");
  --tear: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 90 16' preserveAspectRatio='none'%3E%3Cpath d='M0 16V9l7-5 6 6 9-8 8 7 6-4 10 6 7-7 9 8 6-5 8 4 7-6 7 7v7z'/%3E%3C/svg%3E");
}

/* ---------- Reset (good-css foundations) ---------- */
*, *::before, *::after { box-sizing: border-box; min-width: 0; }
:root {
  interpolate-size: allow-keywords;
  scrollbar-gutter: stable;
  text-wrap: pretty;
  overflow-wrap: break-word;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
html { scroll-padding-block-start: calc(var(--head-h) + 1rem); }
body { margin: 0; min-block-size: 100svh; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--f-body); }
body::after { content: ""; position: fixed; inset: 0; z-index: 60; pointer-events: none; background-image: var(--grain); opacity: 0.45; }
h1, h2, h3, h4 { text-wrap: balance; font-family: var(--f-display); line-height: 1.02; margin: 0; letter-spacing: -0.02em; }
img, svg, video { display: block; max-inline-size: 100%; block-size: auto; }
input, textarea, select { font-size: max(16px, 1rem); }
button, a, [role="button"], summary { touch-action: manipulation; }
button, [role="button"] { user-select: none; -webkit-user-select: none; }
p { margin-block: 0 1em; }
a { color: inherit; }
button, input, select { font-family: inherit; color: inherit; }
td, .meter__txt { font-variant-numeric: tabular-nums; }

/* One focus ring; filled buttons use their background color */
:focus-visible { outline: max(2px, 0.08em) solid currentColor; outline-offset: 0.25em; }
.btn--ink:focus-visible { outline-color: var(--ink); }
/* Press feedback for links without a box */
a:not(.btn):active { background-color: color-mix(in oklch, var(--hl) 70%, transparent); }

.sr-only { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: clip; clip-path: inset(50%); white-space: nowrap; }
.hand { font-family: var(--f-hand); font-weight: 700; letter-spacing: 0.01em; }
.skip { position: absolute; inset-inline-start: 12px; inset-block-start: -80px; z-index: 70; background: var(--ink); color: var(--hl); padding-block: 12px; padding-inline: 18px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.skip:focus { inset-block-start: 12px; }

/* ---------- Content grid with breakouts ---------- */
.content-grid {
  --content: 68rem;
  --breakout: 76rem;
  display: grid;
  grid-template-columns:
    [full-width-start] minmax(var(--gutter), 1fr)
    [breakout-start] minmax(0, calc((var(--breakout) - var(--content)) / 2))
    [content-start] min(100% - var(--gutter) * 2, var(--content)) [content-end]
    minmax(0, calc((var(--breakout) - var(--content)) / 2)) [breakout-end]
    minmax(var(--gutter), 1fr) [full-width-end];
}
:is(.content-grid, .full-width) > * { grid-column: content; }
:is(.content-grid, .full-width) > .breakout { grid-column: breakout; }
:is(.content-grid, .full-width) > .full-width { grid-column: full-width; }
section { position: relative; overflow-x: clip; }
.sec { padding-block: var(--space-section); }

/* Torn paper edge: each section tears over the one above it */
.torn::before { content: ""; position: absolute; inset-inline: 0; inset-block-start: -15px; block-size: 16px; background: inherit; -webkit-mask: var(--tear) repeat-x 0 100% / 90px 16px; mask: var(--tear) repeat-x 0 100% / 90px 16px; pointer-events: none; }

/* Highlighter marker and ink strokes. Final state is the default. */
.hl { --hl-h: 0.55em; background-image: linear-gradient(100deg, transparent 0.15em, var(--hl) 0.15em calc(100% - 0.1em), transparent calc(100% - 0.1em)); background-repeat: no-repeat; background-position: 0 86%; background-size: 100% var(--hl-h); -webkit-box-decoration-break: clone; box-decoration-break: clone; padding-inline: 0.1em; }
.hl--fat { --hl-h: 0.7em; }
.draw path { fill: none; stroke: currentColor; stroke-dasharray: 1; stroke-dashoffset: 0; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Buttons, tape, pins ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.55em; min-block-size: 48px; padding-block: 0.7em; padding-inline: 1.3em; border: 2px solid var(--ink); border-radius: var(--rough); font: 700 1rem/1.1 var(--f-body); text-decoration: none; cursor: pointer; box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn--ink { background: var(--ink); color: var(--hl); }
.btn--paper { background: var(--card); color: var(--ink); }
.btn--small { min-block-size: 44px; padding-block: 0.5em; padding-inline: 1em; font-size: 0.95rem; box-shadow: 3px 3px 0 var(--ink); }
.btn[disabled] { opacity: 0.75; cursor: progress; }
.tape { position: absolute; inline-size: 110px; block-size: 30px; background: var(--tape); box-shadow: 0 1px 2px color-mix(in oklch, var(--shadow-ink) 12%, transparent); }
.pin { position: absolute; inset-block-start: 12px; inset-inline-start: calc(50% - 9px); inline-size: 18px; block-size: 18px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, color-mix(in oklch, var(--tomato), white 40%), var(--tomato) 45%, color-mix(in oklch, var(--tomato), black 40%)); box-shadow: 2px 4px 4px color-mix(in oklch, var(--shadow-ink) 35%, transparent); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
  .btn--small:hover { box-shadow: 4px 4px 0 var(--ink); }
}

/* ---------- Header and menu (popover on small screens) ---------- */
.site-head { position: sticky; inset-block-start: 0; z-index: 50; background: color-mix(in oklch, var(--paper) 94%, transparent); backdrop-filter: blur(6px); border-block-end: 2px solid var(--ink); }
.head-row { grid-column: breakout; display: flex; align-items: center; gap: 16px; min-block-size: calc(var(--head-h) - 2px); padding-inline: var(--gutter); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-block-size: 44px; margin-inline-end: auto; }
.brand img { flex: none; inline-size: 44px; block-size: 44px; }
.brand__name { font: 800 1.05rem/1 var(--f-display); letter-spacing: -0.01em; }
.brand__name b { display: block; font-family: var(--f-stamp); font-weight: 400; font-size: 1.15rem; letter-spacing: 0.06em; }
.nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav ul a { display: inline-flex; align-items: center; min-block-size: 44px; padding-inline: 0.55em; font-weight: 600; font-size: 0.95rem; text-decoration: none; background-image: linear-gradient(var(--hl), var(--hl)); background-repeat: no-repeat; background-position: 0.55em 70%; background-size: 0% 0.5em; }
.nav ul a.is-current { background-size: calc(100% - 1.1em) 0.5em; font-weight: 700; }
.menu-btn { display: none; align-items: center; min-block-size: 44px; min-inline-size: 44px; padding-inline: 16px; border: 2px solid var(--ink); border-radius: var(--rough); background: var(--card); font-weight: 700; cursor: pointer; }
.menu-btn:active { scale: 0.97; }
@media (hover: hover) and (pointer: fine) {
  .nav ul a:hover { background-size: calc(100% - 1.1em) 0.5em; }
}
@media (width >= 60em) {
  .nav[popover] { display: flex; align-items: center; gap: 18px; position: static; inset: auto; margin: 0; padding: 0; border: 0; background: none; color: inherit; overflow: visible; inline-size: auto; block-size: auto; }
}
@media (width < 60em) {
  .menu-btn { display: inline-flex; }
  .nav { position: fixed; inset-block: var(--head-h) auto; inset-inline: 0; margin: 0; inline-size: auto; max-block-size: calc(100dvh - var(--head-h)); overflow-y: auto; overscroll-behavior: contain; padding-block: 18px 26px; padding-inline: var(--gutter); border: 0; border-block-end: 2px solid var(--ink); background: var(--card); color: var(--ink); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 12px; opacity: 0; }
  .nav:popover-open { display: flex; opacity: 1; }
  .nav ul { flex-direction: column; }
  .nav ul a { font: 700 1.5rem/1.2 var(--f-display); }
  .nav .btn { align-self: start; }
  @starting-style { .nav:popover-open { opacity: 0; } }
}

/* ---------- Hero ---------- */
.hero { padding-block: var(--space-l) calc(var(--space-section) + 1rem); }
.hero__grid { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-l); }
.hero__copy { flex-basis: 0; flex-grow: 999; min-inline-size: 55%; container-type: inline-size; }
.hero__collage { flex-basis: 24rem; flex-grow: 1; position: relative; min-block-size: calc(var(--orbit) + 3rem); display: grid; place-items: center; }
.masthead { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin-block-end: 18px; font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.12em; }
.masthead .hand { text-transform: none; letter-spacing: 0; font-size: 1.5rem; rotate: -3deg; }
.hero__title { font-size: var(--fs-hero); font-weight: 800; line-height: 0.92; letter-spacing: -0.035em; }
.hero__title .hl { white-space: nowrap; }
.hero__sub { margin-block: 22px 10px; max-inline-size: 30ch; font: 600 var(--fs-lead)/1.3 var(--f-display); }
.hero__tag { font-size: var(--fs-hand); line-height: 1.15; color: var(--ink-2); max-inline-size: 26ch; rotate: -1.5deg; }
.hero__cta { position: relative; display: flex; flex-wrap: wrap; gap: 14px; padding-block-start: 70px; margin-block-start: 6px; }
.hero__note { position: absolute; inset-block-start: 0; inset-inline-start: 205px; margin: 0; font-size: 1.7rem; rotate: -6deg; white-space: nowrap; }
.hero__arrow { position: absolute; inset-block-start: 18px; inset-inline-start: 118px; inline-size: 104px; block-size: 68px; color: var(--tomato); }
.hero__arrow path { stroke-width: 3.5; }
.orbit { display: grid; inline-size: var(--orbit); aspect-ratio: 1; }
.orbit > * { grid-area: 1 / 1; }
.orbit__disc { place-self: center; inline-size: 66%; aspect-ratio: 1; border-radius: 50%; background: var(--hl); translate: 10px 9px; }
.orbit__badge { place-self: center; inline-size: 66%; filter: drop-shadow(3px 6px 8px color-mix(in oklch, var(--shadow-ink) 35%, transparent)); }
.orbit__ring { inline-size: 100%; block-size: 100%; }
.orbit__ring text { font: 800 19px var(--f-display); letter-spacing: 0.08em; fill: var(--ink); }
.stamp { position: absolute; z-index: 3; display: grid; justify-items: center; padding-block: 0.45em 0.4em; padding-inline: 0.8em; border: 5px solid var(--stamp); border-radius: 8px; outline: 2px solid var(--stamp); outline-offset: 4px; color: var(--stamp); background: color-mix(in oklch, var(--paper) 85%, transparent); text-transform: uppercase; text-align: center; -webkit-mask: var(--ink-mask); mask: var(--ink-mask); }
.stamp--hero { inset-inline-start: 0; inset-block-end: 4%; margin: 0; font: 800 var(--fs-stamp)/1 var(--f-display); letter-spacing: 0.03em; transform: rotate(-9deg); }
.stamp small { display: block; margin-block-start: 6px; font: 700 0.85rem/1.2 var(--f-body); letter-spacing: 0.14em; }
.sticky { position: absolute; z-index: 2; inset-block-start: 2%; inset-inline-end: 2%; inline-size: clamp(8rem, 6.5rem + 4vw, 10.5rem); margin: 0; padding-block: 26px 16px; padding-inline: 14px; background: var(--note); box-shadow: var(--shadow); rotate: 5deg; font-size: 1.45rem; line-height: 1.05; text-align: center; }
.sticky .tape { inset-block-start: -12px; inset-inline-start: calc(50% - 45px); inline-size: 90px; rotate: -4deg; }
.squiggle { position: absolute; inset-inline: 0; inset-block-end: 18px; inline-size: 100%; block-size: 40px; }
.squiggle path { stroke-width: 2.5; }

/* ---------- Section heads ---------- */
.sec-head { max-inline-size: 40rem; margin-block-end: var(--space-l); }
.pageno { display: inline-block; margin-block: 0 6px; margin-inline: 0; font-size: 1.4rem; color: var(--ink-2); rotate: -4deg; }
.sec-head :is(h1, h2), .label h2 { font-size: var(--fs-h2); font-weight: 800; }
.sec-sub { margin-block: 14px 0; font-size: 1.12rem; color: var(--ink-2); max-inline-size: 52ch; }

/* ---------- Why: corkboard ---------- */
.cork { background-color: var(--cork); background-image: radial-gradient(color-mix(in oklch, var(--shadow-ink) 30%, transparent) 1px, transparent 1.6px), radial-gradient(color-mix(in oklch, var(--card) 30%, transparent) 1px, transparent 1.6px); background-size: 7px 7px, 11px 11px; background-position: 0 0, 3px 5px; box-shadow: inset 0 0 60px color-mix(in oklch, var(--shadow-ink) 35%, transparent); }
.label { position: relative; justify-self: start; padding-block: 20px 16px; padding-inline: 26px; background: var(--card); box-shadow: var(--shadow); rotate: -1.5deg; }
.board { position: relative; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); align-items: start; gap: var(--space-l); padding-block: 118px 128px; padding-inline: clamp(0.5rem, 0.2rem + 1.4vw, 2rem); }
.board:has(.is-lifted) { user-select: none; -webkit-user-select: none; }
[data-drag] { --x: 0px; --y: 0px; --r: 0deg; --s: 1; transform: translate3d(var(--x), var(--y), 0) rotate(calc(var(--r) + var(--tilt))) scale(var(--s)); cursor: grab; touch-action: pan-y; }
[data-drag].is-lifted { --s: 1.05; cursor: grabbing; }
.card { position: relative; isolation: isolate; background: var(--card); padding-block: 44px 26px; padding-inline: 26px; }
.card::before, .card::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.card::before { box-shadow: var(--shadow); }
.card::after { box-shadow: var(--shadow-lift); opacity: 0; }
.card.is-lifted::before { opacity: 0; }
.card.is-lifted::after { opacity: 1; }
.card:nth-child(1) { --r: -3deg; }
.card:nth-child(2) { --r: 2deg; }
.card:nth-child(3) { --r: -1.2deg; }
.card__tag { margin-block: 0 6px; font-size: 1.5rem; color: var(--stamp); }
.card h3 { font-size: var(--fs-h3); font-weight: 800; margin-block-end: 14px; }
.card p:last-child { margin: 0; color: var(--ink-2); }
.grip { position: absolute; inset-block-start: -14px; inset-inline-start: calc(50% - 56px); inline-size: 112px; block-size: 44px; border: 0; padding: 0; background: transparent; cursor: grab; touch-action: none; }
.grip .tape { inset-block: 7px; inset-inline: 0; inline-size: auto; block-size: auto; rotate: -3deg; }
.grip::after { content: "drag"; position: absolute; inset-block-start: 9px; inset-inline: 0; font: 700 1.05rem var(--f-hand); color: var(--ink-2); }
.grip:active .tape { background: color-mix(in oklch, var(--hl) 60%, var(--card)); }
.sticker { position: absolute; z-index: 4; display: grid; place-items: center; border: 0; padding: 0; background: none; touch-action: none; }
.sticker:active { scale: 0.97; }
.sticker--paw { inset-block-start: 18px; inset-inline-start: 4%; inline-size: 88px; block-size: 88px; border-radius: 50%; background: var(--ink); box-shadow: 0 0 0 5px var(--card), var(--shadow); --r: -8deg; }
.sticker--paw span { inline-size: 66%; block-size: 52%; background: var(--hl); -webkit-mask: url('../design/jaguar-watermark.svg') center / contain no-repeat; mask: url('../design/jaguar-watermark.svg') center / contain no-repeat; }
.sticker--stamp { inset-block-start: 30px; inset-inline-end: 5%; min-block-size: 44px; padding-block: 10px 6px; padding-inline: 16px; border: 4px solid var(--stamp); border-radius: 6px; background: var(--card); color: var(--stamp); font: 400 2rem/1 var(--f-stamp); letter-spacing: 0.06em; box-shadow: var(--shadow); --r: 7deg; }
.sticker--note { inset-block-end: 26px; inset-inline-start: 8%; min-block-size: 44px; padding-block: 14px; padding-inline: 18px; background: var(--note); font: 700 1.5rem/1 var(--f-hand); box-shadow: var(--shadow); --r: -4deg; }
.sticker--round { inset-block-end: 18px; inset-inline-end: 10%; inline-size: 96px; block-size: 96px; border-radius: 50%; background: var(--stamp); color: var(--white); font: 800 1.15rem/1.05 var(--f-display); text-transform: uppercase; text-align: center; box-shadow: 0 0 0 4px var(--card), var(--shadow); --r: 10deg; }
.sticker.is-lifted { filter: drop-shadow(0 16px 12px color-mix(in oklch, var(--shadow-ink) 45%, transparent)); }
.board-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.board-tools p { margin-block: 0; margin-inline: 0 auto; font-size: 1.45rem; }

/* ---------- Teams: registration cards ---------- */
.teams-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); align-items: start; gap: var(--space-l); }
.index { position: relative; padding-block-end: 22px; background-color: var(--card); background-image: repeating-linear-gradient(to bottom, transparent 0 39px, var(--rule) 39px 40px); background-position: 0 70px; box-shadow: var(--shadow); }
.index:nth-child(1) { rotate: -1.6deg; }
.index:nth-child(2) { rotate: 1.3deg; }
.index__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 10px; block-size: 70px; padding-block: 0 8px; padding-inline: 22px; border-block-end: 3px solid var(--tomato); background: var(--card); }
.index__top span { font-weight: 700; font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; }
.index__top .index__no { font: 700 1.6rem/1 var(--f-hand); letter-spacing: 0; text-transform: none; }
.index h3 { padding-block: 18px 0; padding-inline: 22px; font-size: var(--fs-team); font-weight: 800; line-height: 1; }
.index h3 .hand { font-size: 0.6em; }
.index dl { margin-block: 10px 18px; margin-inline: 22px; display: grid; grid-template-columns: auto 1fr; column-gap: 14px; line-height: 40px; }
.index dt { font-weight: 700; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; }
.index dd { margin: 0; font: 700 1.5rem/40px var(--f-hand); }
.card__more { font-size: 1.45rem; }
.clip { position: absolute; inset-block-start: -18px; inset-inline-end: 34px; inline-size: 22px; block-size: 64px; border: 3px solid color-mix(in oklch, var(--ink), white 42%); border-radius: 12px; rotate: 8deg; }
.finder { position: relative; justify-self: start; inline-size: min(100%, 54rem); margin-block-start: var(--space-section); padding: var(--space-m); background: var(--note); box-shadow: var(--shadow); rotate: -0.6deg; container-type: inline-size; }
.finder > .tape { inset-block-start: -14px; inset-inline-start: 30px; rotate: -5deg; }
.finder h3 { font: 700 var(--fs-hand-xl)/1 var(--f-hand); margin-block-end: 10px; }
.finder__row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.finder label { font: 700 1.7rem/1.2 var(--f-hand); }
.hand-input { min-block-size: 48px; inline-size: min(100%, 16rem); padding-inline: 0.2em; border: 0; border-block-end: 2px dashed var(--ink); background: transparent; font: 700 1.9rem/1 var(--f-hand); }
.finder__out { min-block-size: 64px; margin-block: 18px 0; margin-inline: 0; font: 700 1.65rem/1.3 var(--f-hand); display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; }
.finder__hint { color: var(--ink-2); }
.pick { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pick__name svg { position: absolute; inset-block: -10px; inset-inline: -14px; inline-size: calc(100% + 28px); max-inline-size: none; block-size: calc(100% + 20px); color: var(--stamp); overflow: visible; }
.pick__name { position: relative; padding-block: 4px; padding-inline: 14px; font-size: 1.9rem; }
.pick__name svg path { stroke-width: 2.5; }


/* ---------- FAQ (details/summary) ---------- */
.faq__list { max-inline-size: 52rem; display: flex; flex-direction: column; gap: 14px; }
.faq__item { background: var(--card); box-shadow: var(--shadow); border-inline-start: 4px solid var(--tomato); }
.faq__item:nth-child(odd) { rotate: -0.4deg; }
.faq__item:nth-child(even) { rotate: 0.5deg; }
.faq__q { display: flex; align-items: center; gap: 16px; min-block-size: 64px; padding-block: 14px; padding-inline: 20px; cursor: pointer; list-style: none; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q:active { background: color-mix(in oklch, var(--hl) 35%, transparent); }
.faq__q h3 { font-size: var(--fs-faq); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; margin-inline-end: auto; }
.faq__icon { position: relative; flex: none; inline-size: 34px; block-size: 34px; border: 2px solid var(--ink); border-radius: 50%; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; inset-inline-start: calc(50% - 7px); inset-block-start: calc(50% - 1.25px); inline-size: 14px; block-size: 2.5px; background: var(--ink); border-radius: 2px; }
.faq__icon::after { rotate: 90deg; }
.faq__item[open] .faq__icon { rotate: 135deg; background: var(--hl); }
.faq__item::details-content { block-size: 0; overflow: clip; }
.faq__item[open]::details-content { block-size: auto; }
.faq__a { padding-block: 0 20px; padding-inline: 20px; }
.faq__a p { margin: 0; max-inline-size: 62ch; color: var(--ink-2); }
@media (hover: hover) and (pointer: fine) {
  .faq__q:hover h3 { text-decoration: underline; text-decoration-color: var(--tomato); text-decoration-thickness: 3px; text-underline-offset: 4px; }
}

/* ---------- Schedule: calendar sheet ---------- */
.schedule { background: var(--paper-2); }
.cal { position: relative; justify-self: start; inline-size: min(100%, 56rem); padding: var(--space-l); background: var(--card); box-shadow: var(--shadow); rotate: 0.5deg; }
.cal__holes { position: absolute; inset-block-start: 12px; inset-inline: 0; display: flex; justify-content: space-evenly; }
.cal__holes i { inline-size: 14px; block-size: 14px; border-radius: 50%; background: var(--paper-2); box-shadow: inset 0 2px 3px color-mix(in oklch, var(--shadow-ink) 25%, transparent); }
.cal__month { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; margin-block: 14px 18px; font: 800 var(--fs-h3)/1 var(--f-display); }
.cal__month .hand { font-size: 1.6rem; color: var(--ink-2); }
.cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); border-block-start: 2px solid var(--ink); border-inline-start: 2px solid var(--ink); margin-block-end: 26px; }
.cal__grid span { aspect-ratio: 1.3; border-inline-end: 2px solid var(--ink); border-block-end: 2px solid var(--ink); }
.cal__grid .q { display: grid; place-items: center; font: 700 var(--fs-hand)/1 var(--f-hand); color: var(--stamp); }
.cal__grid .q > * { grid-area: 1 / 1; }
.cal__grid .q svg { inline-size: 88%; block-size: 88%; view-timeline: --cal; }
.cal__grid .q svg path { stroke-width: 2.5; }
.cal__table { inline-size: 100%; border-collapse: collapse; }
.cal__table th { text-align: start; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; padding-block: 8px; padding-inline: 6px; border-block-end: 2px solid var(--ink); }
.cal__table td { padding-block: 12px; padding-inline: 6px; font: 700 1.55rem/1.1 var(--f-hand); border-block-end: 1px dashed var(--ink-2); }
.cal__note { margin-block: 18px 0; margin-inline: 0; font-size: 1.5rem; color: var(--ink-2); }

/* ---------- Invite: the letter ---------- */
.invite { background: var(--paper-2); }
.invite > * { inline-size: min(100%, 54rem); justify-self: center; }
.invite .sec-head { max-inline-size: none; }
.invite__stage { position: relative; }
.letter { position: relative; padding-block: var(--space-l); padding-inline: var(--letter-margin) var(--space-l); background-color: var(--card); background-image: linear-gradient(90deg, transparent calc(var(--letter-margin) - 18px), color-mix(in oklch, var(--tomato) 55%, transparent) 0 calc(var(--letter-margin) - 16px), transparent 0); box-shadow: var(--shadow), 0 30px 60px -30px color-mix(in oklch, var(--shadow-ink) 50%, transparent); transform-origin: 50% 40%; }
.letter > .tape { inset-block-start: -14px; inset-inline-start: 42%; rotate: 3deg; }
.letter__help { font-size: 0.95rem; color: var(--ink-2); }
.letter__salute { font-size: 2.3rem; margin-block: 0 4px; }
.letter__line { font-size: var(--fs-letter); line-height: 2.5; margin-block: 0 0.5em; }
.blank { position: relative; display: inline-flex; flex-direction: column; vertical-align: baseline; isolation: isolate; max-inline-size: 100%; margin-inline: 0.15em; line-height: 1.2; }
.blank::before { content: ""; position: absolute; z-index: -1; inset-inline: -2px; inset-block-start: 20px; block-size: 20px; background: var(--hl); border-radius: 3px 8px 4px 9px; transform-origin: left; transform: scaleX(0) skewX(-10deg); }
.blank:has(input:not(:placeholder-shown), option:checked:not([value=""]))::before { transform: scaleX(1) skewX(-10deg); }
.blank input, .blank select { min-block-size: 44px; max-inline-size: 100%; padding-inline: 0.25em; border: 0; border-block-end: 2px dashed var(--ink); border-radius: 0; background: transparent; font: 700 1.75rem/1 var(--f-hand); }
.blank input { field-sizing: content; min-inline-size: var(--min, 8ch); }
.blank select { appearance: none; -webkit-appearance: none; padding-inline-end: 1.3em; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-size: 6px 6px; background-position: calc(100% - 12px) 55%, calc(100% - 6px) 55%; background-repeat: no-repeat; }
.blank input::placeholder { color: var(--muted); font-weight: 500; }
.blank label { font: 600 0.7rem/1.3 var(--f-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); }
.blank .err { font: 600 0.82rem/1.3 var(--f-body); color: var(--stamp); max-inline-size: 18em; }
.blank .err:empty { display: none; }
.blank :is([aria-invalid="true"], :user-invalid) { border-block-end: 2px solid var(--stamp); }
.blank :is(input, select):focus-visible, .hand-input:focus-visible { outline-offset: 2px; }
.letter__close { font-size: 2rem; margin-block: 22px 0; }
.letter__sig { min-block-size: 1.2em; font-size: 2.6rem; line-height: 1.1; margin-block: 0 22px; rotate: -3deg; transform-origin: left; }
.letter__sig.is-empty { color: var(--muted); font-weight: 500; }
.letter__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding-block-start: 18px; border-block-start: 2px dashed var(--ink-2); }
.meter { display: grid; gap: 4px; margin-inline-end: auto; }
.meter__bar { position: relative; block-size: 8px; inline-size: 200px; max-inline-size: 100%; border-radius: 4px; background: color-mix(in oklch, var(--ink) 12%, transparent); overflow: clip; }
.meter__bar span { position: absolute; inset: 0; background: var(--ink); transform-origin: left; transform: scaleX(0); }
.meter__txt { font-size: 1.45rem; }
.btn--send { min-inline-size: 180px; }
.spin { display: none; inline-size: 18px; block-size: 18px; border: 3px solid currentColor; border-inline-end-color: transparent; border-radius: 50%; }
.letter.is-sending .spin { display: block; }
.letter__status { min-block-size: 1.6em; margin-block: 14px 0; font-weight: 600; }
.letter__fail { margin-block-start: 12px; padding-block: 14px; padding-inline: 16px; border: 2px solid var(--stamp); border-radius: 6px; background: var(--white); color: var(--stamp); font-weight: 600; }
.plane { position: absolute; inset-inline-start: 50%; inset-block-start: 40%; inline-size: 84px; block-size: 84px; opacity: 0; pointer-events: none; z-index: 5; }
.plane path { fill: var(--card); stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; }
.plane .plane__fold { fill: var(--paper-2); }

/* ---------- Contact postcard + footer ---------- */
.postcard-slot { container-type: inline-size; }
.postcard { display: grid; max-inline-size: 60rem; background: var(--card); box-shadow: var(--shadow); rotate: -0.7deg; }
.postcard > div { padding: var(--space-l); }
.postcard__msg { border-block-end: 2px solid var(--ink); }
.postcard__msg p { font: 700 1.75rem/1.2 var(--f-hand); }
.postcard__msg .postcard__small { font-size: 1.45rem; color: var(--ink-2); }
.postcard__addr { position: relative; }
.postcard__addr ul { list-style: none; margin-block: 70px 0; margin-inline: 0; padding: 0; }
.postcard__addr li { border-block-end: 1px solid var(--ink-2); }
.postcard__addr :is(a, span) { display: flex; align-items: center; min-block-size: 48px; font-weight: 600; text-decoration: none; }
.postage { position: absolute; inset-block-start: 18px; inset-inline-end: 18px; inline-size: 70px; block-size: 84px; display: grid; place-items: center; background: var(--hl); border: 4px dotted var(--card); outline: 2px solid var(--ink); rotate: 4deg; }
.postage img { inline-size: 48px; block-size: 48px; }
.socials { display: flex; flex-wrap: wrap; gap: 12px; margin-block-start: 18px; }
@container (width > 44rem) {
  .postcard { grid-template-columns: 1.1fr 1fr; }
  .postcard__msg { border-block-end: 0; border-inline-end: 2px solid var(--ink); }
}
@media (hover: hover) and (pointer: fine) {
  .postcard__addr a:hover, .foot-links a:hover { text-decoration: underline; text-decoration-thickness: 2px; }
}
.site-foot { position: relative; background: var(--ink); color: var(--white); padding-block: 60px 40px; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.foot-stamp { margin-block: 0; margin-inline: 0 auto; font: 400 var(--fs-foot)/1 var(--f-stamp); color: var(--hl); letter-spacing: 0.06em; rotate: -3deg; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; margin: 0; padding: 0; }
.foot-links a { display: inline-flex; align-items: center; min-block-size: 44px; font-weight: 600; }
.foot-links a:active { color: var(--ink); }
.site-foot small { display: block; margin-block-start: 26px; color: color-mix(in oklch, var(--paper), var(--ink) 15%); font-size: 0.9rem; }

/* ---------- Subpages: request confirmation and privacy policy ---------- */
.received { min-block-size: 72svh; align-content: center; }
.received__card { position: relative; justify-self: center; inline-size: min(100%, 42rem); padding-block: var(--space-section) var(--space-l); padding-inline: var(--space-l); background: var(--card); box-shadow: var(--shadow), 0 30px 60px -30px color-mix(in oklch, var(--shadow-ink) 50%, transparent); text-align: center; rotate: -0.6deg; }
.received__card > .tape { inset-block-start: -14px; inset-inline-start: calc(50% - 55px); rotate: 3deg; }
.stamp--received { inset-inline-end: 4%; inset-block-start: -22px; margin: 0; font: 800 var(--fs-stamp)/1 var(--f-display); letter-spacing: 0.03em; transform: rotate(-9deg); }
.received__script { margin-block: 0 10px; margin-inline: 0; font-size: var(--fs-thanks); line-height: 1; color: var(--stamp); }
.received h1 { font-size: var(--fs-h2); font-weight: 800; }
.received__lead, .received__help { max-inline-size: 36ch; margin-inline: auto; }
.received__lead { margin-block: 18px 0; }
.received__help { margin-block: 14px 0; color: var(--ink-2); font-size: 1rem; }
.received__card .btn { margin-block-start: var(--space-m); }
.doc > * { inline-size: min(100%, 46rem); justify-self: center; }
.doc .sec-head { max-inline-size: none; margin-block-end: var(--space-m); }
.doc__sheet { position: relative; display: flex; flex-direction: column; gap: var(--space-m); padding: var(--space-l); background: var(--card); box-shadow: var(--shadow); }
.doc__sheet > .tape { inset-block-start: -14px; inset-inline-start: 12%; rotate: -4deg; }
.doc__sheet h2 { font-size: var(--fs-h3); font-weight: 800; }
.doc__sheet p { margin-block: 10px 0; margin-inline: 0; color: var(--ink-2); }
:is(.received__help, .doc__sheet p) a { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
:is(.received__help, .doc__sheet p) a:active { color: var(--stamp); }

/* ---------- Keyframes ---------- */
@keyframes hl-sweep { from { background-size: 0% var(--hl-h); } }
@keyframes draw { from { stroke-dashoffset: 1; } }
@keyframes rise { from { opacity: 0; translate: 0 1.6rem; } }
@keyframes spin { to { rotate: 360deg; } }
@keyframes orbit-scroll { to { transform: rotate(540deg); } }
@keyframes slam { 0% { opacity: 0; transform: rotate(-26deg) scale(2.6); } 70% { opacity: 1; transform: rotate(-7deg) scale(0.93); } 100% { opacity: 1; transform: rotate(-9deg) scale(1); } }
@keyframes jolt { 30% { translate: -3px 4px; } 60% { translate: 2px -2px; } }
@keyframes wiggle { 25% { rotate: 1.6deg; } 60% { rotate: -1.4deg; } }
@keyframes fold { 45% { transform: perspective(1100px) rotateX(62deg) scale(0.75, 0.55); } 75% { transform: perspective(1100px) rotateX(82deg) rotate(-8deg) scale(0.35, 0.2); opacity: 1; } 100% { transform: scale(0.06) rotate(-20deg); opacity: 0; } }
@keyframes fly { 0% { opacity: 0; transform: translate(-50%, -50%) scale(0.4) rotate(10deg); } 15% { opacity: 1; transform: translate(-50%, -50%) scale(1); } 45% { transform: translate(-90%, -20%) rotate(-12deg); } 100% { opacity: 0; transform: translate(70vw, -70vh) rotate(-34deg) scale(0.6); } }
@keyframes write { from { clip-path: inset(0 100% 0 0); } }

/* ---------- Opt-in motion: everything above is the resting state ---------- */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .btn, .menu-btn, .sticker { transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out), scale 160ms var(--ease-out); }
  .nav ul a { transition: background-size 250ms var(--ease-out); }
  .board.is-resetting [data-drag] { transition: transform 300ms var(--ease-out); }
  .card::before, .card::after { transition: opacity 200ms var(--ease-out); }
  .blank::before { transition: transform 300ms var(--ease-out); }
  .meter__bar span { transition: transform 300ms var(--ease-out); }
  .faq__icon { transition: rotate 300ms var(--ease-out), background-color 300ms var(--ease-out); }
  .faq__item::details-content { transition: block-size 300ms var(--ease-out), content-visibility 300ms allow-discrete; }
  @media (width < 60em) {
    .nav { translate: 0 -0.75rem; transition: opacity 250ms var(--ease-out), translate 250ms var(--ease-out), display 250ms allow-discrete, overlay 250ms allow-discrete; }
    .nav:popover-open { translate: 0 0; }
    @starting-style { .nav:popover-open { translate: 0 -0.75rem; } }
  }

  /* Hero, on load: highlighter, arrow, stamp slam and the jolt it causes */
  .hero .hl { animation: hl-sweep 0.9s var(--ease-out) 0.25s both; }
  .hero__arrow path { animation: draw 0.8s var(--ease-out) 1.2s both; }
  .hero__arrow path + path { animation-delay: 1.9s; animation-duration: 0.3s; }
  .squiggle path { animation: draw 1.6s var(--ease-in-out) 0.4s both; }
  .stamp--hero { animation: slam 0.55s cubic-bezier(0.5, 0, 0.75, 1.3) 0.65s both; }
  .hero__collage { animation: jolt 0.35s var(--ease-out) 1.1s; }
  .orbit__ring { animation: spin 28s linear infinite; }

  /* Confirmation page: the stamp lands, the thank-you is written out */
  .received .hl { animation: hl-sweep 0.9s var(--ease-out) 0.6s both; }
  .received__script { animation: write 1.2s var(--ease-out) 0.15s both; }
  .stamp--received { animation: slam 0.55s cubic-bezier(0.5, 0, 0.75, 1.3) 0.9s both; }

  /* Corkboard hover wiggle, finder circle, spinner, letter fold and plane */
  .pick__name svg path { animation: draw 0.7s var(--ease-out) both; }
  .spin { animation: spin 0.7s linear infinite; }
  .letter.is-folding { animation: fold 0.7s var(--ease-out) both; pointer-events: none; }
  .plane.is-flying { animation: fly 1.1s var(--ease-in-out) both; }

  /* Scroll-driven: drawn by the scroll position where supported, static elsewhere */
  @supports (animation-timeline: view()) {
    main .hl:not(.hero .hl, .received .hl) { animation: hl-sweep linear both; animation-timeline: view(); animation-range: cover 12% cover 38%; }
    .reveal { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 70%; }
    .orbit__spin { animation: orbit-scroll linear both; animation-timeline: scroll(root); }
    .cal__grid .q svg path { animation: draw linear both; animation-timeline: --cal; animation-range: entry 50% cover 60%; }
  }
}
@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .card:not(.is-lifted):hover { animation: wiggle 0.6s var(--ease-in-out); }
  .card:hover .grip .tape { animation: wiggle 0.5s var(--ease-in-out) 0.1s; }
}
/* ---------- Coach's notebook: a ruled page taped beside the chapters ---------- */
.nb-sec { background: var(--paper); padding-block-start: var(--space-l); }
.nb-sec--b { background: var(--manila); }
.split { grid-column: breakout; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: var(--space-l); }
.split--b { grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); }
.split--b .nb-slot { grid-column: 2; grid-row: 1; }
.split--b .chapters { grid-column: 1; grid-row: 1; }
html:not(.js) .split--b { grid-template-columns: minmax(0, 1fr); }
html:not(.js) .split--b .nb-slot { display: none; }
.nb-slot { position: sticky; inset-block-start: calc(var(--head-h) + 1.75rem); align-self: start; display: grid; }
.nb { --progress: 0; position: relative; display: flex; flex-direction: column; gap: 10px; min-block-size: 0; padding-block: 24px 12px; padding-inline: 44px 20px; background-color: var(--card); background-image: linear-gradient(90deg, transparent 28px, color-mix(in oklch, var(--tomato) 50%, transparent) 28px 30px, transparent 30px), repeating-linear-gradient(to bottom, transparent 0 31px, color-mix(in oklch, var(--rule) 70%, transparent) 31px 32px); box-shadow: var(--shadow), 0 30px 50px -30px color-mix(in oklch, var(--shadow-ink) 50%, transparent); rotate: -0.8deg; }
.split--b .nb { rotate: 1deg; }
.nb > .tape { inset-block-start: -13px; inset-inline-start: -16px; rotate: -8deg; }
.nb > .tape + .tape { inset-inline-start: auto; inset-inline-end: -16px; rotate: 9deg; }
.nb__top { display: flex; align-items: center; gap: 12px; }
.nb__label { margin-block: 0; margin-inline-end: auto; font: 700 1.6rem/1 var(--f-hand); }
.nb__label b { color: var(--stamp); }
.nb__note { margin: 0; min-block-size: 2.3em; font: 700 1.45rem/1.15 var(--f-hand); color: var(--ink-2); }
.nb__pitch { position: relative; aspect-ratio: 1050 / 680; max-block-size: calc(100svh - var(--head-h) - 15rem); min-block-size: 0; display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); overflow: clip; }
.nb__pitch > :is(.pitch, .goal) { grid-area: 1 / 1; }
.pitch { inline-size: 100%; block-size: 100%; overflow: visible; }
.pl { fill: none; stroke: var(--pencil); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.pl--sketch { stroke-width: 1.5; opacity: 0.4; }
.pl-dot { fill: var(--pencil); }
.net-zone { fill: var(--hl); opacity: 0; transition: opacity 200ms var(--ease-out); }
.pitch.aiming .net-zone { opacity: 0.9; }
.net-frame { fill: none; stroke: var(--ink); stroke-width: 3.5; stroke-linecap: round; }
.net-mesh { fill: none; stroke: var(--ink-2); stroke-width: 1.5; opacity: 0.6; }
.pass-plan { fill: none; stroke: var(--ink-2); stroke-width: 2.5; stroke-dasharray: 2 11; stroke-linecap: round; opacity: 0.55; }
.pass-line, .pass-head { fill: none; stroke: var(--tomato); stroke-width: 4.5; stroke-linecap: round; stroke-linejoin: round; }
.node { cursor: pointer; }
.node:is(:focus, :focus-visible), .ball:is(:focus, :focus-visible) { outline: 2px solid transparent; }
.node .hit, .ball .hit { fill: transparent; }
.node .body { transform-box: fill-box; transform-origin: center; transition: opacity 300ms var(--ease-out); }
.node .disc { fill: var(--card); stroke: var(--ink); stroke-width: 3.5; stroke-linecap: round; transition: fill 250ms var(--ease-out); }
.node text { fill: var(--ink); font: 700 31px var(--f-hand); text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.node .ring { fill: none; stroke: var(--tomato); stroke-width: 3; opacity: 0; transform-box: fill-box; transform-origin: center; }
.node .focus-ring { fill: none; stroke: var(--ink); stroke-width: 3; stroke-dasharray: 6 6; opacity: 0; }
.node:focus-visible .focus-ring, .node.tip-open .focus-ring { opacity: 1; }
.node.tip-open .body { transform: scale(1.14); }
.node:active .body { transform: scale(0.95); }
.node.lit .disc { fill: var(--hl); }
.node.dim .body { opacity: 0.3; }
.node.touched .ring { opacity: 0.8; transform: scale(1.3); }
.ball { cursor: grab; }
.ball.grabbing { cursor: grabbing; }
.ball .skin { fill: var(--white); stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.ball .seam { fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; }
.ball:active .skin { fill: var(--hl); }
.ball .focus-ring { fill: none; stroke: var(--ink); stroke-width: 3; stroke-dasharray: 6 5; opacity: 0; }
.ball:focus-visible .focus-ring { opacity: 1; }
.ov { opacity: 0; transition: opacity 300ms var(--ease-out); pointer-events: none; }
.ov.on { opacity: 1; }
.ov-t { font: 700 31px var(--f-hand); fill: var(--ink-2); }
.ov-t--red { fill: var(--stamp); }
.ov-big { font: 400 170px var(--f-stamp); fill: var(--tomato); opacity: 0.14; text-anchor: middle; }
.ov-s { fill: none; stroke: var(--ink-2); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.zone { stroke: var(--pencil); stroke-width: 3; stroke-dasharray: 12 12; stroke-linecap: round; transform-box: fill-box; transform-origin: 50% 0; }
.radar-grid { fill: none; stroke: var(--pencil); stroke-width: 2; stroke-dasharray: 5 8; }
.radar-fill { fill: var(--hl); fill-opacity: 0.75; stroke: var(--ink); stroke-width: 3.5; stroke-linejoin: round; transform-box: view-box; transform-origin: 525px 350px; }
.axis { stroke: var(--pencil); stroke-width: 2.5; transition: stroke 200ms var(--ease-out), stroke-width 200ms var(--ease-out); }
.axis.on { stroke: var(--tomato); stroke-width: 7; }
.ghost { fill: var(--card); stroke: var(--ink-2); stroke-width: 2.5; stroke-dasharray: 5 6; }
.ghost-q { font: 700 28px var(--f-hand); fill: var(--ink-2); text-anchor: middle; dominant-baseline: central; }
.memo { fill: var(--note); stroke: var(--ink); stroke-width: 2; }
.tip { position: absolute; z-index: 6; inset-inline-start: 0; inset-block-start: 0; inline-size: max-content; max-inline-size: min(16rem, 80vw); padding-block: 8px; padding-inline: 12px; background: var(--note); color: var(--ink); box-shadow: var(--shadow); font: 500 0.95rem/1.4 var(--f-body); pointer-events: none; opacity: 1; transition: opacity 150ms var(--ease-out), display 150ms allow-discrete; }
.tip[hidden] { opacity: 0; }
@starting-style { .tip { opacity: 0; } }
.tip strong { display: block; font: 700 1.4rem/1.1 var(--f-hand); color: var(--stamp); }
.goal { z-index: 7; place-self: center; pointer-events: none; opacity: 0; transition: opacity 200ms var(--ease-out); }
.goal.show { opacity: 1; }
.goal span { display: block; padding-inline: 0.4em; background: var(--hl); font: 700 var(--fs-goal)/1.1 var(--f-hand); box-shadow: var(--shadow); rotate: -5deg; }
.spark { position: absolute; z-index: 6; inline-size: 12px; block-size: 12px; margin-block-start: -6px; margin-inline-start: -6px; border-radius: 50% 40% 55% 45%; background: var(--tomato); pointer-events: none; }
.spark:nth-child(3n) { background: var(--hl); }
.spark:nth-child(4n) { background: var(--ink); }
.nb-tabs { position: relative; anchor-scope: --nb-tab; }
.nb-progress { block-size: 3px; margin-block-end: 6px; background: color-mix(in oklch, var(--ink) 12%, transparent); overflow: clip; }
.nb-progress span { display: block; block-size: 100%; background: var(--ink-2); transform-origin: 0 50%; transform: scaleX(var(--progress)); }
.nb-tabs ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.nb-tabs a { display: grid; place-items: center; min-block-size: 44px; padding-inline: 2px; border: 2px solid var(--ink); border-block-start-width: 0; border-radius: 0 0 10px 12px; background: var(--paper-2); color: var(--ink-2); font: 700 1.3rem/1 var(--f-hand); text-decoration: none; transition: background-color 160ms var(--ease-out); }
.nb-tabs a[aria-current] { background: var(--hl); color: var(--ink); anchor-name: --nb-tab; }
.nb-tabs a:active { background: color-mix(in oklch, var(--hl) 50%, var(--paper-2)); }
.nb-tabs::after { content: ""; position: absolute; position-anchor: --nb-tab; inset-block-end: -8px; inset-inline-start: anchor(start); inline-size: anchor-size(inline); block-size: 4px; border-radius: 4px; background: var(--tomato); }
@media (hover: hover) and (pointer: fine) {
  .node:hover .body { transform: scale(1.14); }
  .nb-tabs a:not([aria-current]):hover { background: var(--card); }
}

/* Chapters beside the notebook */
.chapters { display: flex; flex-direction: column; }
.chapter { min-block-size: 88svh; display: flex; flex-direction: column; justify-content: center; padding-block: var(--space-l); }
.chapter + .chapter { border-block-start: 2px dashed color-mix(in oklch, var(--ink) 25%, transparent); }
.chapter > .sec-head { margin-block-end: var(--space-m); }
.chapter .finder { margin-block-start: var(--space-l); }
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.ticks li { display: flex; align-items: start; gap: 12px; font-weight: 600; }
.ticks svg { flex: none; inline-size: 1.4em; block-size: 1lh; color: var(--stamp); }
.ticks svg path { stroke-width: 3; }
.axis-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 6px 22px; }
.btn[aria-pressed="true"] { background: var(--hl); color: var(--ink); }
.ladder { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin: 0; font: 700 1.6rem/1.2 var(--f-hand); }
.ladder i { font-style: normal; color: var(--stamp); }
.trio { list-style: none; margin-block: 0 18px; margin-inline: 0; padding: 0; }
.trio li { display: grid; grid-template-columns: 7rem 1fr; gap: 12px; align-items: baseline; padding-block: 12px; border-block-start: 2px solid var(--ink); }
.trio b { font: 700 1.6rem/1 var(--f-hand); color: var(--stamp); }
.big-line { margin: 0; font: 700 var(--fs-h3)/1.2 var(--f-display); max-inline-size: 24ch; }
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.step { display: grid; grid-template-columns: 3rem 1fr; gap: 14px; align-items: start; padding: 12px; border: 2px dashed transparent; transition: background-color 250ms var(--ease-out), border-color 250ms var(--ease-out); }
.step .sn { display: grid; place-items: center; inline-size: 44px; block-size: 44px; border: 2.5px solid var(--ink); border-radius: 48% 52% 45% 55%; background: var(--card); font: 700 1.7rem/1 var(--f-hand); transition: background-color 250ms var(--ease-out); }
.step h3 { font-size: var(--fs-faq); }
.step p { margin-block: 4px 0; margin-inline: 0; color: var(--ink-2); }
.step.active { background: var(--card); border-color: var(--ink); }
.step.active .sn { background: var(--hl); }
.index__btns { display: flex; flex-wrap: wrap; gap: 12px; padding-inline: 22px; }
.index:has([data-show][aria-pressed="true"]) .index__top { border-block-end-color: var(--ink); background: var(--note); }

@media (prefers-reduced-motion: no-preference) {
  .node .body { transition: opacity 300ms var(--ease-out), transform 200ms var(--ease-out); }
  .node.touched .ring { animation: ring-pulse 700ms var(--ease-out) forwards; }
  #net.shake { animation: shake 550ms var(--ease-out); }
  .ink-draw { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 900ms var(--ease-out) 150ms; }
  .ov.on .ink-draw { stroke-dashoffset: 0; }
  .zone { transform: scaleY(0); transition: transform 800ms var(--ease-out) 100ms; }
  .ov.on .zone { transform: none; }
  .radar-fill { transform: scale(0.15); transition: transform 900ms var(--ease-out) 200ms; }
  .ov.on .radar-fill { transform: none; }
  .goal.show span { animation: pop 600ms var(--ease-out); }
  .spark { animation: spark 950ms var(--ease-out) forwards; }
  .nb-tabs::after { transition: inset-inline-start 250ms var(--ease-out), inline-size 250ms var(--ease-out); }
  @supports (animation-timeline: view()) {
    .ticks svg path { animation: draw linear both; animation-timeline: view(); animation-range: entry 60% cover 45%; }
  }
}
@keyframes ring-pulse { from { opacity: 0.9; transform: scale(0.7); } to { opacity: 0; transform: scale(1.7); } }
@keyframes shake { 0%, 100% { transform: none; } 25% { transform: translateX(7px); } 55% { transform: translateX(-4px); } 80% { transform: translateX(2px); } }
@keyframes pop { from { scale: 0.6; } 60% { scale: 1.06; } to { scale: 1; } }
@keyframes spark { from { transform: translate(0, 0) scale(1); opacity: 1; } to { transform: translate(var(--dx), var(--dy)) scale(0.3); opacity: 0; } }

/* Phones and small tablets: the notebook becomes a sticky strip */
@media (width < 60em) {
  .split, .split--b { display: block; }
  .nb-slot { z-index: 40; inset-block-start: var(--head-h); block-size: 38svh; margin-inline: calc(var(--gutter) * -1); padding-block: 10px 8px; padding-inline: var(--gutter); background: var(--paper); }
  .nb-sec--b .nb-slot { background: var(--manila); }
  .split:has(.letter :focus-visible, .letter :focus) .nb-slot { block-size: 22svh; }
  .nb { gap: 4px; padding-block: 8px 6px; padding-inline: 36px 10px; rotate: -0.5deg; }
  .split--b .nb { rotate: 0.5deg; }
  .nb > .tape { inline-size: 70px; block-size: 22px; }
  .nb__note, .nb-tabs { display: none; }
  .nb__pitch { flex: 1; aspect-ratio: auto; max-block-size: none; }
  .nb__label { font-size: 1.35rem; }
  .chapter { min-block-size: 62svh; scroll-margin-block-start: calc(38svh + 0.5rem); }
}
@media (width < 30em) {
  .trio li { grid-template-columns: 1fr; gap: 2px; }
}