/* Shared components. They read only semantic tokens (tokens.css), so they
 * are restyled by changing tokens, not by overriding these rules. */

/* ---- Site header -------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  padding: var(--space-s) var(--gutter);
  color: var(--header-ink, var(--color-ink));
  pointer-events: none;
  transition:
    color var(--dur-slow) var(--ease-out),
    background-color var(--dur-m) var(--ease-out),
    padding var(--dur-m) var(--ease-out);
}

.site-header > * {
  pointer-events: auto;
}

/* Once the page moves, the header gets a ground of its own so it never sits
 * on top of the scene's text. No backdrop blur: it would re-filter every
 * animated frame behind it, which phones pay for. */
[data-scrolled] .site-header {
  padding-block: var(--space-xs);
  background: var(--header-bg, var(--color-bg));
  box-shadow: 0 1px 0 var(--header-rule, var(--color-rule));
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-display);
  font-variation-settings: var(--display-variation);
  font-size: var(--step-1);
  font-weight: var(--display-weight);
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark__mark {
  width: 1.6em;
  height: 1.6em;
  --art-stroke: 2.4;
}

/* The fairy is the one thing in colour, painted the same wherever she
 * appears: the wordmark, the footer and the landing page's two fairies. */
.wordmark__mark,
.site-footer__mark,
.sb-flyer,
.sb-fairy {
  --art-fill: var(--fairy-dress);
  --art-fill-a: var(--fairy-cap);
  --art-fill-2: var(--fairy-face);
  --art-light: var(--fairy-wings);
  --art-accent: var(--fairy-star);
}

.site-nav {
  display: flex;
  margin-inline-start: auto;
  gap: clamp(var(--space-s), 3vw, var(--space-l));
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-nav a {
  text-decoration: none;
  padding-block: var(--space-3xs);
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size var(--dur-m) var(--ease-out);
}

.site-nav a:hover {
  background-size: 100% 1px;
}

/* ---- Day or night --------------------------------------------------------- *
 * A little sky: by night a moon at the right of a dark track with stars
 * behind it, by day a sun at the left of a blue one with a cloud. theme.js
 * runs it and sets <html data-theme>; without script it is hidden, and the
 * site is the night. */
.theme-toggle {
  --track: #0f1d33;
  --edge: rgb(228 217 193 / 0.38);
  --knob-x: calc(var(--toggle-w) - var(--knob) - 2 * var(--knob-gap) - 2px);
  --toggle-w: 3.1rem;
  --knob: 1.25rem;
  --knob-gap: 0.18rem;
  position: relative;
  flex: none;
  width: var(--toggle-w);
  height: calc(var(--knob) + 2 * var(--knob-gap) + 2px);
  padding: 0;
  border: 1px solid var(--edge);
  border-radius: var(--radius-pill);
  background:
    radial-gradient(circle at 22% 34%, #fff 0 0.7px, transparent 1.3px),
    radial-gradient(circle at 38% 66%, rgb(255 255 255 / 0.8) 0 0.6px, transparent 1.1px),
    radial-gradient(circle at 12% 70%, rgb(255 255 255 / 0.7) 0 0.5px, transparent 1px),
    var(--track);
  cursor: pointer;
  transition: background-color var(--dur-m) var(--ease-out), border-color var(--dur-m) var(--ease-out);
}

.theme-toggle__knob {
  position: absolute;
  top: var(--knob-gap);
  left: var(--knob-gap);
  width: var(--knob);
  height: var(--knob);
  border-radius: 50%;
  translate: var(--knob-x) 0;
  /* The moon, with a few seas. */
  background:
    radial-gradient(circle at 36% 60%, #d6c9a4 0 13%, transparent 15%),
    radial-gradient(circle at 62% 34%, #d6c9a4 0 10%, transparent 12%),
    radial-gradient(circle at 64% 70%, #dccfac 0 7%, transparent 9%),
    #f4ecd3;
  box-shadow: 0 0 9px rgb(246 232 192 / 0.45);
  transition:
    translate 560ms cubic-bezier(0.5, 1.5, 0.45, 1),
    scale var(--dur-fast) ease,
    box-shadow var(--dur-m) var(--ease-out);
}

.theme-toggle:hover .theme-toggle__knob {
  scale: 1.08;
}

:root[data-theme="day"] .theme-toggle {
  --track: #bfe0f4;
  --edge: rgb(31 43 36 / 0.26);
  --knob-x: 0px;
  background:
    radial-gradient(ellipse 15% 24% at 64% 60%, #fff 62%, transparent 70%),
    radial-gradient(ellipse 17% 30% at 75% 52%, #fff 62%, transparent 70%),
    radial-gradient(ellipse 13% 22% at 85% 62%, #fff 62%, transparent 70%),
    var(--track);
}

/* The sun. */
:root[data-theme="day"] .theme-toggle__knob {
  background: radial-gradient(circle at 40% 38%, #fff8d6, #ffd35a 68%, #f2b53a);
  box-shadow: 0 0 0 3px rgb(255 211 90 / 0.3), 0 0 10px rgb(255 196 70 / 0.55);
}

:root:not([data-theme]) .theme-toggle {
  display: none;
}

/* Switching, the new theme opens in a circle from the switch (theme.js
 * animates the new snapshot's clip); the old one simply stays under it. */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

/* While the theme changes nothing eases into its new colours on its own
 * time, or the circle would uncover a page still changing behind it. The
 * switch's knob, which slides across, is the one thing that moves. */
[data-theme-swap] *:not(.theme-toggle__knob),
[data-theme-swap] *::before,
[data-theme-swap] *::after {
  transition: none !important;
}

@media (max-width: 34rem) {
  .site-header {
    gap: var(--space-xs);
  }
  .site-nav {
    gap: var(--space-xs);
    font-size: var(--step--2);
  }
  .theme-toggle {
    --toggle-w: 2.6rem;
    --knob: 1.05rem;
    --knob-gap: 0.15rem;
  }
  .site-nav .nav-optional {
    display: none;
  }
  .wordmark {
    font-size: var(--step-0);
  }
}

/* Small phones: the links go by their short names ("New", "Cottage"; each
 * keeps its full name for assistive tech), and on the smallest only the
 * cottage is left, so the wordmark and the switch still fit. */
@media (max-width: 25rem) {
  .site-nav .nav-more {
    display: none;
  }
  .site-nav .nav-cap {
    text-transform: capitalize;
  }
}

@media (max-width: 21.5rem) {
  .site-nav a:not(.nav-cottage) {
    display: none;
  }
}

/* ---- Eyebrow + section title -------------------------------------------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.section-title {
  font-size: var(--step-4);
  max-width: 18ch;
}

.lede {
  font-size: var(--step-1);
  line-height: var(--leading-snug);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.8em 1.4em;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) ease,
    color var(--dur-fast) ease,
    translate var(--dur-fast) ease;
}

.btn:hover {
  translate: 0 -1px;
}

.btn--solid {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.btn--solid:hover {
  background: color-mix(in oklab, var(--color-accent) 88%, var(--color-bg));
}

.btn svg {
  width: 1.1em;
  height: 1.1em;
}

/* ---- Tag and price -------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.2em 0.7em;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-pill);
  font-size: var(--step--2);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.tag--new {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.price {
  font-family: var(--font-display);
  font-variation-settings: var(--display-variation);
  font-size: var(--step-1);
  font-weight: 500;
  font-variant-numeric: lining-nums;
}

/* ---- Plant card ----------------------------------------------------------- */
.plant-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: var(--space-s);
  padding: var(--space-m) var(--space-m) var(--space-l);
  background: var(--card-bg, var(--color-surface));
  border: 1px solid var(--card-border, var(--color-rule));
  border-radius: var(--radius-l);
  color: var(--card-ink, var(--color-ink));
  transition:
    translate var(--dur-m) var(--ease-out),
    box-shadow var(--dur-m) var(--ease-out);
}

.plant-card:hover {
  translate: 0 -4px;
  box-shadow: var(--card-shadow, 0 18px 40px -24px var(--color-shadow));
}

.plant-card__art {
  aspect-ratio: 4 / 5;
  padding: var(--card-art-pad, var(--space-xs) var(--space-m) 0);
  color: var(--card-art, var(--color-line));
}

/* Both dimensions definite: the drawing's own viewBox keeps its aspect and
 * centres it, so it fills the box however the card is sized. */
.plant-card__art .art {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform var(--dur-slow) var(--ease-out);
  transform-origin: 50% 100%;
}

.plant-card:hover .plant-card__art .art {
  transform: rotate(-1.5deg) scale(1.03);
}

.plant-card__body {
  display: grid;
  gap: var(--space-3xs);
  align-content: start;
}

.plant-card__kind {
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.plant-card__name {
  font-size: var(--step-2);
}

.plant-card__botanical {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step--1);
  color: var(--color-ink-soft);
}

.plant-card__note {
  margin-top: var(--space-2xs);
  font-size: var(--step--1);
  color: var(--color-ink-soft);
}

.plant-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xs);
  margin-top: var(--space-s);
  padding-top: var(--space-s);
  border-top: 1px dashed var(--color-rule);
}

.shelf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: var(--space-m);
}

/* ---- Scroll hint ---------------------------------------------------------- */
.scroll-hint {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--step--2);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.scroll-hint__line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(currentColor, transparent);
  transform-origin: top;
  animation: hint-fall 2.4s var(--ease-in-out) infinite;
}

@keyframes hint-fall {
  0% {
    scale: 1 0;
    opacity: 1;
  }
  60% {
    scale: 1 1;
    opacity: 1;
  }
  100% {
    scale: 1 1;
    opacity: 0;
  }
}

/* ---- Footer --------------------------------------------------------------- */
.site-footer {
  padding: var(--space-xl) var(--gutter) var(--space-2xl);
  text-align: center;
  font-size: var(--step--1);
  color: var(--footer-ink, var(--color-ink-soft));
  background: var(--footer-bg, transparent);
}

.site-footer__mark {
  width: 3rem;
  margin: 0 auto var(--space-s);
  color: var(--footer-ink, var(--color-ink-soft));
}

.site-footer p + p {
  margin-top: var(--space-3xs);
}
