/* Hallmark · macrostructure: bespoke vertical thread · tone: soft, personal · anchor hue: wine red
 * theme: custom · vibe: "blush paper, wine ink, handwritten" · paper oklch(95% 0.022 18) · accent oklch(50% 0.19 18)
 * fonts: Aref Ruqaa + IBM Plex Sans Arabic · axes: light / calligraphic-serif / warm
 */

:root {
  --color-paper: oklch(95.5% 0.02 18);
  --color-paper-2: oklch(98.5% 0.008 30);
  --color-ink: oklch(30% 0.09 16);
  --color-ink-soft: oklch(48% 0.06 16);
  --color-accent: oklch(50% 0.19 18);
  --color-blush: oklch(80% 0.09 8);
  --color-blush-soft: oklch(89% 0.05 10);
  --color-tape: oklch(88% 0.06 8 / 0.75);

  --font-display: "Aref Ruqaa", "Noto Naskh Arabic", serif;
  --font-body: "IBM Plex Sans Arabic", system-ui, sans-serif;

  --text-sm: 0.9375rem;
  --text-md: 1.0625rem;
  --text-lg: clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);
  --text-display: clamp(4rem, 2.6rem + 7vw, 8.5rem);

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 7rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-draw: 900ms;
}

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

html, body { overflow-x: clip; }

body {
  margin: 0;
  background-color: var(--color-paper);
  /* soft blush fade; the doodles live on body::before */
  background-image: linear-gradient(180deg, var(--color-paper) 0%, var(--color-blush-soft) 100%);
  background-attachment: fixed;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  /* normal arrow over text instead of the typing bar; links still get the hand */
  cursor: default;
}

/* top bar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: oklch(95.5% 0.02 18 / 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1rem;
  border: 1.5px solid var(--color-accent);
  border-radius: 999px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.pill:hover {
  background: var(--color-accent);
  color: var(--color-paper);
}

.pill:active { translate: 0 1px; }

.pill:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.ring {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
}

.ring .stone { fill: currentColor; stroke-width: 1; }

@media (min-width: 900px) {
  .topbar { padding-inline: var(--space-xl); }
}

/* hero */

.hero {
  text-align: center;
  padding: var(--space-3xl) var(--space-md) var(--space-xl);
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-display);
  line-height: 1.1;
  color: var(--color-ink);
}

.name {
  position: relative;
  display: inline-block;
  color: var(--color-accent);
}

.scribble {
  position: absolute;
  inset-inline: -4%;
  bottom: -0.08em;
  width: 108%;
  height: 0.22em;
  overflow: visible;
}

.scribble path {
  fill: none;
  stroke: var(--color-blush);
  stroke-width: 5;
  stroke-linecap: round;
}

.hero-sub {
  margin: var(--space-lg) auto 0;
  max-width: 34ch;
  color: var(--color-ink-soft);
  text-wrap: balance;
}

/* timeline */

.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md) var(--space-3xl);
}

.thread {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.thread path {
  fill: none;
  stroke-linecap: round;
}

.thread-done {
  stroke: var(--color-accent);
  stroke-width: 2.5;
}

.thread-next {
  stroke: var(--color-blush);
  stroke-width: 2;
  stroke-dasharray: 2 9;
}

.event {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 7rem minmax(0, 1fr);
  align-items: center;
  min-height: 9rem;
}

.event + .event { margin-top: var(--space-2xl); }

.dot {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 6px var(--color-paper);
  z-index: 1;
}

.is-next .dot {
  background: var(--color-paper);
  border: 2px dashed var(--color-blush);
}

.card {
  grid-row: 1;
  grid-column: 1;
  width: fit-content;
  max-width: 100%;
  /* hug the thread: in RTL, "end" of column 1 is its left edge */
  justify-self: end;
  text-align: start;
}

/* alternate sides; column 1 is the right side in RTL */
.event:nth-of-type(even) .card {
  grid-column: 3;
  justify-self: start;
}

.date {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0;
}

.title {
  margin: var(--space-xs) 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  line-height: 1.35;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

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

.is-next .date { color: var(--color-ink-soft); font-weight: 500; }
.is-next .title { color: var(--color-ink-soft); }

/* photos: a print taped to the page, tilted a little */

.photo {
  position: relative;
  margin: 0 0 var(--space-lg);
  padding: 10px 10px 12px;
  width: 300px;
  max-width: 100%;
  background: var(--color-paper-2);
  box-shadow: 0 1px 2px oklch(30% 0.09 16 / 0.12), 0 8px 24px oklch(30% 0.09 16 / 0.08);
  rotate: -2deg;
}

.event:nth-of-type(even) .photo { rotate: 1.5deg; }

.photo::before {
  content: "";
  position: absolute;
  top: -12px;
  inset-inline-start: 50%;
  width: 84px;
  height: 24px;
  translate: 50% 0;
  background: var(--color-tape);
  rotate: 3deg;
}

.photo.wide { width: 400px; }

/* photo placed under the text instead of above it */
.photo:not(:first-child) { margin: var(--space-lg) 0 0; }

.photo.small { width: 200px; }

.photo a { display: block; }

.photo img {
  display: block;
  width: 100%;
  height: auto;
}

/* a little note written on the bottom of the print */
.photo figcaption {
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.5;
  text-align: center;
  color: var(--color-ink-soft);
}

/* ending */

.end {
  text-align: center;
  padding: 0 var(--space-md) var(--space-3xl);
  color: var(--color-ink-soft);
}

.end p {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.heart svg {
  width: 28px;
  height: 28px;
  margin-top: var(--space-md);
  fill: var(--color-accent);
}

/* phone: thread runs down the right edge, all cards to its left */

@media (max-width: 640px) {
  .hero { padding-top: var(--space-2xl); }

  .event {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    min-height: 0;
    align-items: start;
  }

  .dot {
    grid-column: 1;
    margin-top: 0.55rem;
  }

  .card,
  .event:nth-of-type(even) .card {
    grid-column: 2;
    justify-self: start;
  }

  .photo { max-width: 100%; }
}

/* decorations: hand-drawn hearts and sparkles around the title */

.hero { position: relative; }

.doodles {
  display: block;
  position: absolute;
  inset: 0;
  max-width: 760px;
  margin: 0 auto;
  pointer-events: none;
}

.d {
  position: absolute;
  fill: none;
  stroke: var(--color-blush);
  stroke-width: 1.6;
  stroke-linejoin: round;
  overflow: visible;
  animation: float 7s var(--ease-in-out) infinite;
}

.d.solid { fill: var(--color-blush-soft); stroke: var(--color-blush); }
.d.spark { fill: var(--color-blush); stroke: none; }

.d1 { width: 34px; height: 34px; top: 30%; inset-inline-start: 6%; rotate: -14deg; }
.d2 { width: 22px; height: 22px; top: 26%; inset-inline-end: 9%; animation-delay: -2s; }
.d3 { width: 18px; height: 18px; top: 74%; inset-inline-end: 16%; rotate: 12deg; animation-delay: -4s; }
.d4 { width: 14px; height: 14px; top: 80%; inset-inline-start: 18%; animation-delay: -1s; }
.d5 { width: 14px; height: 14px; top: 16%; inset-inline-end: 30%; rotate: 8deg; animation-delay: -5s; }

@keyframes float {
  50% { translate: 0 -7px; }
}

/* the heart that rides the tip of the thread */

.rider {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  fill: var(--color-accent);
  z-index: 2;
  pointer-events: none;
  filter: drop-shadow(0 2px 4px oklch(50% 0.19 18 / 0.35));
  opacity: 0;
  transition: opacity 250ms var(--ease-out);
  will-change: translate, scale;
}

.rider.show { opacity: 1; }

/* the heart beats while it rides; the svg itself is moved by JS, so beat the path */
.rider-heart .heart-shape {
  transform-box: fill-box;
  transform-origin: center;
  animation: beat 1.4s var(--ease-in-out) infinite;
}

.rider-chat { width: 26px; height: 26px; margin: -13px 0 0 -13px; }

/* life before Sana: a little seedling, swaying and waiting to grow */
:root {
  --color-soil: oklch(50% 0.06 55);
  --color-stem: oklch(60% 0.11 140);
  --color-leaf: oklch(72% 0.14 138);
  --color-leaf-2: oklch(79% 0.15 135);
}

.rider-alone {
  width: 36px;
  height: 36px;
  margin: -20px 0 0 -18px;
  filter: drop-shadow(0 2px 3px oklch(40% 0.05 120 / 0.25));
}

.rider-alone .soil { fill: var(--color-soil); }
.rider-alone .stem { stroke: var(--color-stem); }
.rider-alone .leaf { fill: var(--color-leaf); }
.rider-alone .leaf:last-child { fill: var(--color-leaf-2); }

.rider-alone .sprout {
  transform-box: view-box;
  transform-origin: 16px 24px;
  animation: sprout 3s var(--ease-in-out) infinite;
}

@keyframes sprout {
  0%, 100% { transform: rotate(-5deg) scale(1); }
  50% { transform: rotate(5deg) scale(1.06); }
}


/* three dots, like the other person is typing */
.rider-chat .typing { animation: typing 1.2s var(--ease-in-out) infinite; }
.rider-chat .typing:nth-of-type(2) { animation-delay: 0.15s; }
.rider-chat .typing:nth-of-type(3) { animation-delay: 0.3s; }

@keyframes typing {
  0%, 60%, 100% { opacity: 0.35; }
  30% { opacity: 1; }
}

/* dots fill in when the thread reaches them */

.js .is-done .dot {
  background: var(--color-paper);
  border: 2px solid var(--color-accent);
  transition: background-color 300ms var(--ease-out);
}

.js .is-done .dot.lit {
  background: var(--color-accent);
  animation: pop 420ms var(--ease-out);
}

@keyframes pop {
  0% { scale: 1; }
  45% { scale: 1.6; }
  100% { scale: 1; }
}

/* entrance: title on load, memories as they scroll into view */

.js .hero-title,
.js .hero-sub {
  animation: rise 900ms var(--ease-out) both;
}

.js .hero-sub { animation-delay: 250ms; }

.js .scribble path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 900ms var(--ease-out) 650ms forwards;
}

.js .card {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

.js .card.seen {
  opacity: 1;
  transform: none;
}

.js .card .photo {
  transform: scale(0.94);
  transition: transform 900ms var(--ease-out) 120ms;
}

.js .card.seen .photo { transform: none; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes draw {
  to { stroke-dashoffset: 0; }
}

/* a slow heartbeat at the end */

.heart svg {
  animation: beat 2.4s var(--ease-in-out) infinite;
  transform-origin: center;
}

@keyframes beat {
  0%, 40%, 100% { transform: scale(1); }
  10% { transform: scale(1.18); }
  20% { transform: scale(1); }
  30% { transform: scale(1.12); }
}

@media (max-width: 640px) {
  .d1 { width: 24px; height: 24px; top: 22%; inset-inline-start: 4%; }
  .d2 { width: 16px; height: 16px; top: 20%; inset-inline-end: 6%; }
  .d3 { width: 14px; height: 14px; top: 86%; inset-inline-end: 8%; }
  .d4 { top: 88%; inset-inline-start: 10%; }
  .d5 { display: none; }
  .rider { width: 18px; height: 18px; margin: -9px 0 0 -9px; }
  .rider-chat { width: 22px; height: 22px; margin: -11px 0 0 -11px; }
  .rider-alone { width: 32px; height: 32px; margin: -18px 0 0 -16px; }
  .timeline { padding-top: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .d, .heart svg { animation: none; }
  .js .hero-title, .js .hero-sub { animation: none; }
  .js .scribble path { animation: none; stroke-dashoffset: 0; }
  .js .card, .js .card .photo { transform: none; transition: opacity 150ms linear; }
  .js .is-done .dot { background: var(--color-accent); animation: none; }
  .rider { display: none; }
}

/* the doodle pattern sits on its own layer so it can drift slowly */
body::before {
  content: "";
  position: fixed;
  inset: -280px;
  z-index: -1;
  background: url("shared/pattern.svg") 0 0 / 280px 280px;
  animation: pan 60s linear infinite;
  will-change: transform;
  pointer-events: none;
}

@keyframes pan {
  to { transform: translate(-280px, -280px); }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

/* hearts drifting up behind everything */

.drift {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.drift svg {
  position: absolute;
  bottom: -40px;
  width: 16px;
  height: 16px;
  fill: var(--color-blush);
  opacity: 0;
  animation: drift 18s linear infinite;
}

.drift svg:nth-child(1) { left: 6%;  animation-delay: 0s; }
.drift svg:nth-child(2) { left: 24%; animation-delay: -7s;  width: 11px; height: 11px; }
.drift svg:nth-child(3) { left: 47%; animation-delay: -13s; width: 13px; height: 13px; }
.drift svg:nth-child(4) { left: 68%; animation-delay: -4s;  width: 20px; height: 20px; }
.drift svg:nth-child(5) { left: 85%; animation-delay: -10s; width: 12px; height: 12px; }
.drift svg:nth-child(6) { left: 94%; animation-delay: -16s; }

@keyframes drift {
  0%   { opacity: 0;   transform: translate(0, 0) rotate(-10deg); }
  10%  { opacity: 0.55; }
  50%  { transform: translate(14px, -55vh) rotate(8deg); }
  90%  { opacity: 0.45; }
  100% { opacity: 0;   transform: translate(-6px, -110vh) rotate(-6deg); }
}

.hero, .timeline, .end { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .drift { display: none; }
}

/* the engagement ring that rides the dotted part of the thread */

:root {
  --color-gold: oklch(74% 0.11 82);
  --color-gem: oklch(98% 0.012 10);
}

.ring-rider {
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 30px;
  margin: -21px 0 0 -15px; /* sit the band, not the stone, on the line */
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-out);
  filter: drop-shadow(0 2px 4px oklch(30% 0.09 16 / 0.25));
  will-change: transform;
}

.ring-rider.show { opacity: 1; }

.ring-rider .band { stroke: var(--color-gold); }
.ring-rider .gem { fill: var(--color-gem); stroke: var(--color-accent); }
.ring-rider .facets { stroke: var(--color-accent); }

.ring-rider .gem,
.ring-rider .facets {
  transform-origin: 16px 10px;
  animation: sparkle 2.6s var(--ease-in-out) infinite;
}

@keyframes sparkle {
  0%, 70%, 100% { scale: 1; }
  80% { scale: 1.15; }
}

@media (max-width: 640px) {
  .ring-rider { width: 26px; height: 26px; margin: -18px 0 0 -13px; }
}

@media (prefers-reduced-motion: reduce) {
  .ring-rider { display: none; }
}

/* shy face, hand over the mouth (after الرؤية الشرعية) */

:root {
  --color-face: oklch(85% 0.14 88);
  --color-face-ink: oklch(42% 0.07 65);
  --color-hand: oklch(77% 0.13 72);
  --color-hand-line: oklch(60% 0.12 65);
  --color-cheek: oklch(74% 0.12 20);
}

.rider-shy,
.rider-dua {
  width: 32px;
  height: 32px;
  margin: -16px 0 0 -16px;
  filter: drop-shadow(0 2px 3px oklch(40% 0.05 60 / 0.25));
}

.rider-shy .face { fill: var(--color-face); }
.rider-shy .eyes { stroke: var(--color-face-ink); }
.rider-shy .blush { fill: var(--color-cheek); }
.rider-shy .hand { fill: var(--color-hand); }
.rider-shy .fingers { stroke: var(--color-hand-line); }

.rider-shy .face,
.rider-shy .eyes,
.rider-shy .blush,
.rider-shy .hand,
.rider-shy .fingers {
  transform-box: view-box;
  transform-origin: 16px 28px;
}

.rider-shy .face,
.rider-shy .eyes,
.rider-shy .hand,
.rider-shy .fingers { animation: giggle 1.6s var(--ease-in-out) infinite; }

.rider-shy .blush { animation: giggle 1.6s var(--ease-in-out) infinite, blush 2s var(--ease-in-out) infinite; }

@keyframes giggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-6deg); }
  75% { transform: rotate(6deg); }
}

@keyframes blush {
  50% { opacity: 0.45; }
}

/* hands open in dua (after الفاتحة) */

.rider-dua .hands {
  fill: var(--color-hand);
  animation: pray 2.4s var(--ease-in-out) infinite;
}

.rider-dua .light {
  fill: var(--color-face);
  transform-box: fill-box;
  transform-origin: center;
  animation: twinkle 2.4s var(--ease-in-out) infinite;
}

@keyframes pray {
  50% { transform: translateY(-1.5px); }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.7); }
  50% { opacity: 1; transform: scale(1.15); }
}

/* the dotted dots turn pink once the ride reaches them */
.js .is-next .dot.lit {
  background: var(--color-blush);
  border-style: solid;
  transition: background-color 300ms var(--ease-out);
}

/* room below the last event so the ring has somewhere to ride */
.timeline { padding-bottom: 16rem; }
.end { padding-bottom: 45vh; }

/* heart monitor under والقصة لسا بأولها */

.monitor {
  direction: ltr;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin-top: var(--space-md);
}

.ecg {
  width: min(120px, 32vw);
  height: auto;
  overflow: visible;
}

.ecg path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ecg-base {
  stroke: var(--color-blush);
  stroke-width: 1.4;
}

.ecg-pulse {
  stroke: var(--color-accent);
  stroke-width: 2.2;
  stroke-dasharray: 0.28 1.5;
  stroke-dashoffset: 0.28;
  filter: drop-shadow(0 0 2px oklch(50% 0.19 18 / 0.6));
  animation: ecg-in 2.4s linear infinite;
}

.ecg-pulse.late { animation-name: ecg-out; }

@keyframes ecg-in {
  0% { stroke-dashoffset: 0.28; }
  45%, 100% { stroke-dashoffset: -1; }
}

@keyframes ecg-out {
  0%, 50% { stroke-dashoffset: 0.28; }
  95%, 100% { stroke-dashoffset: -1; }
}

.monitor .heart svg {
  display: block;
  margin-top: 0;
  /* beat right as the pulse arrives from the left */
  animation-delay: 1.05s;
}

@media (max-width: 640px) {
  .rider-shy, .rider-dua { width: 28px; height: 28px; margin: -14px 0 0 -14px; }
  .timeline { padding-bottom: 12rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ecg-pulse { animation: none; stroke-dasharray: none; stroke-dashoffset: 0; }
}

/* the heart grows at each big moment and stays that size; the springy curve
   overshoots a touch so it feels like it's growing up, not just resizing */
:root { --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1); }

.rider-heart { transition: opacity 250ms var(--ease-out), scale 900ms var(--ease-spring); }

/* 💘 cupid's arrow through the heart (at طلبت رقم أهلها) */

:root { --color-cap: oklch(32% 0.09 12); }

.rider-heart { overflow: visible; }

.rider-heart .arrow {
  opacity: 0;
  transform: translate(-26px, 18px);
}

.rider-heart .shaft { stroke: var(--color-cap); }
.rider-heart .head { fill: var(--color-gold); stroke: var(--color-gold); }
.rider-heart .feathers { stroke: var(--color-cheek); }

/* flies in fast from the lower left, sticks, and the heart flinches */
.rider-heart.pierced .arrow {
  opacity: 1;
  transform: none;
  transition: transform 450ms var(--ease-out), opacity 150ms linear;
}

.rider-heart.pierced .heart-shape {
  animation: hit 500ms var(--ease-out) 380ms, beat 1.4s var(--ease-in-out) 900ms infinite;
}

@keyframes hit {
  0% { transform: scale(1); }
  30% { transform: scale(0.82, 0.9) rotate(-6deg); }
  65% { transform: scale(1.12) rotate(3deg); }
  100% { transform: scale(1); }
}

/* 😁 beaming grin (after وافقت تعطيني رقم أهلها): a squash-and-stretch hop,
   with sparkles bursting out one after another */

.rider-giggle .face { fill: var(--color-face); }
.rider-giggle .eyes { stroke: var(--color-face-ink); }
.rider-giggle .mouth { fill: var(--color-face-ink); }
.rider-giggle .teeth { fill: var(--color-paper-2); }
.rider-giggle .gap { stroke: var(--color-tooth-line); }
.rider-giggle .cheek { fill: var(--color-cheek); }
.rider-giggle .beams { fill: var(--color-face); }

:root { --color-tooth-line: oklch(88% 0.02 70); }

.rider-giggle .grin {
  transform-box: view-box;
  transform-origin: 16px 29px;
  animation: hop 1.1s var(--ease-in-out) infinite;
}

.rider-giggle .beam {
  transform-box: fill-box;
  transform-origin: center;
  animation: burst 1.1s var(--ease-out) infinite;
}

.rider-giggle .beam:nth-child(2) { animation-delay: 0.27s; }
.rider-giggle .beam:nth-child(3) { animation-delay: 0.55s; }
.rider-giggle .beam:nth-child(4) { animation-delay: 0.82s; }

@keyframes hop {
  0%, 100% { transform: translateY(0) scale(1.06, 0.92); }
  30% { transform: translateY(-3px) scale(0.95, 1.06); }
  55% { transform: translateY(-3.5px) scale(1, 1) rotate(4deg); }
  80% { transform: translateY(0) scale(1.04, 0.96); }
}

/* the viewBox has room for the sparkles, so the box is a bit bigger */
.rider-giggle {
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  filter: drop-shadow(0 2px 3px oklch(40% 0.05 30 / 0.25));
}

@keyframes burst {
  0% { opacity: 0; transform: scale(0.2) rotate(0deg); }
  35% { opacity: 1; transform: scale(1.3) rotate(45deg); }
  70%, 100% { opacity: 0; transform: scale(0.4) rotate(90deg); }
}

@media (max-width: 640px) {
  .rider-giggle { width: 36px; height: 36px; margin: -18px 0 0 -18px; }
}