/* ==========================================================================
   花漾花藝 HUAYANG FLORAL
   Aesthetic: Japanese Minimalism (Ma) — negative space as content.
   Mobile-first. Light + dark. No build step.
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */
:root {
  /* Surface */
  --paper:        #FBF8F3;
  --paper-2:      #F4EFE6;
  --paper-3:      #EBE4D8;
  --line:         #DED5C6;
  --line-soft:    #E9E2D6;

  /* Ink */
  --ink:          #2B2724;
  --ink-2:        #57504A;
  --ink-3:        #877E74;

  /* Accent */
  --blossom:      #C2707B;
  --blossom-deep: #A65763;
  --sage:         #8A9A7B;
  --clay:         #B99A6B;

  /* Type */
  --display: "Cormorant Garamond", "Noto Serif TC", "Songti TC", "PingFang TC", serif;
  --body:    "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;

  /* Space — 8px base, Ma-generous */
  --s1: 0.5rem;  --s2: 1rem;   --s3: 1.5rem;  --s4: 2rem;
  --s5: 3rem;    --s6: 4.5rem; --s7: 7rem;    --s8: 10rem;

  --measure: 34rem;
  --page: 78rem;

  --shadow: 0 1px 2px rgba(43, 39, 36, .04), 0 12px 32px -18px rgba(43, 39, 36, .22);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:     #1A1715;
    --paper-2:   #221E1B;
    --paper-3:   #2B2622;
    --line:      #3A342E;
    --line-soft: #2F2A25;
    --ink:       #E8E2D9;
    --ink-2:     #B6ADA2;
    --ink-3:     #8B8278;
    --blossom:   #D98F98;
    --blossom-deep: #E5A6AE;
    --sage:      #A2B392;
    --clay:      #CDAF80;
    --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 12px 32px -18px rgba(0, 0, 0, .8);
  }
}

:root[data-theme="dark"] {
  --paper:     #1A1715;
  --paper-2:   #221E1B;
  --paper-3:   #2B2622;
  --line:      #3A342E;
  --line-soft: #2F2A25;
  --ink:       #E8E2D9;
  --ink-2:     #B6ADA2;
  --ink-3:     #8B8278;
  --blossom:   #D98F98;
  --blossom-deep: #E5A6AE;
  --sage:      #A2B392;
  --clay:      #CDAF80;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 12px 32px -18px rgba(0, 0, 0, .8);
}

/* Soften the line-art tiles so they sit in a dark page instead of glowing */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) main img { filter: brightness(.8) saturate(.88); }
}
:root[data-theme="dark"] main img { filter: brightness(.8) saturate(.88); }

/* --- Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; padding: 0; }
ul[class], ol[class] { list-style: none; }
img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* --- Base --------------------------------------------------------------- */
body {
  font-family: var(--body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.95;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Faint washi grain — atmosphere without an image request */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .35;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(194, 112, 123, .07), transparent 45%),
    radial-gradient(circle at 82% 78%, rgba(138, 154, 123, .07), transparent 45%);
}

.wrap {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--s3);
  position: relative;
  z-index: 1;
}

a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--blossom); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--blossom); color: var(--paper); }

/* --- Type --------------------------------------------------------------- */
.display {
  font-family: var(--display);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: .01em;
}
h1.display { font-size: clamp(2.6rem, 11vw, 5.4rem); }
h2.display { font-size: clamp(1.9rem, 6.5vw, 3rem); }
h3.display { font-size: clamp(1.25rem, 4vw, 1.6rem); }

.eyebrow {
  font-size: .7rem;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}

.lede {
  max-width: var(--measure);
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 2.05;
}

.rule {
  width: 3.5rem;
  height: 1px;
  background: var(--line);
  border: 0;
  margin: var(--s3) 0;
}

/* --- Header ------------------------------------------------------------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color .4s var(--ease);
}
.masthead.is-scrolled { border-bottom-color: var(--line-soft); }

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  min-height: 4.5rem;
}

.brand { display: flex; align-items: baseline; gap: .65rem; }
.brand__zh {
  font-family: var(--display);
  font-size: 1.4rem;
  letter-spacing: .18em;
}
.brand__en {
  font-size: .58rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.nav__toggle {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: none; border: 0; cursor: pointer;
  margin-right: -.6rem;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 1px;
  background: var(--ink);
  position: relative;
  transition: background .3s var(--ease);
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 1px; background: var(--ink);
  transition: transform .4s var(--ease);
}
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after  { top: 7px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav {
  position: fixed;
  inset: 4.5rem 0 auto 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
  padding: var(--s3) var(--s3) var(--s5);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
}
.nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__list { display: flex; flex-direction: column; gap: var(--s1); }
.nav__list a {
  display: block;
  padding: .7rem 0;
  font-size: 1.05rem;
  letter-spacing: .16em;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-soft);
  transition: color .3s var(--ease);
}
.nav__list a:hover, .nav__list a[aria-current="page"] { color: var(--ink); }

.masthead__actions { display: flex; align-items: center; gap: .25rem; }

.theme-toggle {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 0; background: none; cursor: pointer;
  color: var(--ink-2);
  transition: color .3s var(--ease), transform .5s var(--ease);
}
.theme-toggle:hover { color: var(--ink); transform: rotate(18deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
}

@media (min-width: 62rem) {
  .nav__toggle { display: none; }
  .nav {
    position: static;
    padding: 0;
    background: none;
    border: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav__list { flex-direction: row; gap: var(--s4); }
  .nav__list a {
    padding: 0;
    border: 0;
    font-size: .82rem;
    letter-spacing: .2em;
    position: relative;
  }
  .nav__list a::after {
    content: "";
    position: absolute;
    left: 0; bottom: -6px;
    width: 100%; height: 1px;
    background: var(--blossom);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .45s var(--ease);
  }
  .nav__list a:hover::after,
  .nav__list a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
}

/* --- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 46px;
  padding: .8rem 1.9rem;
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: none;
  color: var(--ink);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color .45s var(--ease), border-color .45s var(--ease);
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .5s var(--ease);
  z-index: -1;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--paper); }
.btn:hover::after { transform: scaleX(1); transform-origin: left; }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid::after { background: var(--blossom-deep); }
.btn--solid:hover { border-color: var(--blossom-deep); color: var(--paper); }
.btn--ghost { border-color: var(--line); color: var(--ink-2); }
.btn--ghost::after { background: var(--paper-3); }
.btn--ghost:hover { color: var(--ink); border-color: var(--ink-3); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: .4rem 0;
  transition: color .3s var(--ease), gap .3s var(--ease);
}
.link-arrow:hover { color: var(--blossom-deep); gap: .9rem; }

/* --- Hero --------------------------------------------------------------- */
.hero { padding: var(--s6) 0 var(--s5); position: relative; }
.hero__grid { display: grid; gap: var(--s5); }
/* Marginal note. Only shown once the page gutter is wide enough to hold it
   without colliding with the content column. */
.hero__stamp {
  writing-mode: vertical-rl;
  position: absolute;
  top: var(--s5);
  left: -3.4rem;
  font-family: var(--display);
  font-size: .8rem;
  letter-spacing: .5em;
  color: var(--ink-3);
  opacity: .55;
  display: none;
}
.hero h1 .accent { color: var(--blossom-deep); font-style: italic; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  margin-top: var(--s4);
  padding-top: var(--s3);
  border-top: 1px solid var(--line-soft);
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--ink-3);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s4); }
.hero__art { position: relative; }
.hero__art img { width: 100%; }
.hero__caption {
  margin-top: var(--s2);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--ink-3);
  text-align: right;
}

@media (min-width: 62rem) {
  .hero { padding: var(--s7) 0 var(--s6); }
  .hero__grid { grid-template-columns: 1.05fr .95fr; align-items: center; gap: var(--s6); }
}
@media (min-width: 90rem) { .hero__stamp { display: block; } }

/* --- Section scaffolding ------------------------------------------------ */
.section { padding: var(--s6) 0; }
.section--tight { padding: var(--s5) 0; }
.section--band { background: var(--paper-2); }
.section__head { margin-bottom: var(--s5); }
.section__head .eyebrow { display: block; margin-bottom: var(--s2); }

@media (min-width: 62rem) {
  .section { padding: var(--s7) 0; }
  .section__head--split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s5);
    align-items: end;
  }
}

/* --- Bloom cards -------------------------------------------------------- */
.blooms {
  display: grid;
  gap: var(--s5);
  grid-template-columns: 1fr;
}
@media (min-width: 40rem) { .blooms { grid-template-columns: repeat(2, 1fr); gap: var(--s4) var(--s3); } }
@media (min-width: 62rem) { .blooms { grid-template-columns: repeat(3, 1fr); gap: var(--s6) var(--s4); } }

.bloom { display: flex; flex-direction: column; }
.bloom__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
}
.bloom__frame img {
  width: 100%;
  transition: transform 1.1s var(--ease);
}
.bloom:hover .bloom__frame img { transform: scale(1.045); }
.bloom__tag {
  position: absolute;
  top: 0; left: 0;
  background: var(--paper);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: .35rem .8rem;
  font-size: .62rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--blossom-deep);
}
.bloom__body { padding-top: var(--s2); }
.bloom__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s2);
}
.bloom__name { font-family: var(--display); font-size: 1.35rem; letter-spacing: .06em; }
.bloom__price { font-size: .85rem; color: var(--ink-2); white-space: nowrap; letter-spacing: .08em; }
.bloom__desc { margin-top: .5rem; font-size: .85rem; color: var(--ink-3); line-height: 1.9; }
.bloom__stems {
  margin-top: .9rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.stem {
  font-size: .66rem;
  letter-spacing: .14em;
  color: var(--ink-3);
  border: 1px solid var(--line);
  padding: .18rem .6rem;
  border-radius: 999px;
}
.bloom__cta { margin-top: var(--s2); }

/* --- Filters ------------------------------------------------------------ */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: var(--s3);
  padding-top: var(--s3);
  border-top: 1px solid var(--line-soft);
}
.chip {
  min-height: 44px;
  padding: .5rem 1.15rem;
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--ink-3);
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.chip:hover { color: var(--ink); border-color: var(--ink-3); }
.chip.is-active {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}
.empty-note {
  margin-top: var(--s4);
  color: var(--ink-3);
  font-size: .9rem;
}

/* --- Editorial split ---------------------------------------------------- */
.split { display: grid; gap: var(--s4); }
.split__art { order: -1; }
@media (min-width: 62rem) {
  .split { grid-template-columns: .9fr 1.1fr; gap: var(--s6); align-items: center; }
  .split__art { order: 0; }
  .split--flip .split__art { order: 1; }
  /* Columns of very different height must align to the top, not the middle. */
  .split--top { align-items: start; grid-template-columns: 1.05fr .95fr; }
}

/* --- Service list ------------------------------------------------------- */
.services { border-top: 1px solid var(--line-soft); }
.service {
  display: grid;
  gap: .5rem;
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background .4s var(--ease), padding-inline .4s var(--ease);
}
.service:hover { background: var(--paper-2); padding-inline: var(--s2); }
.service__no {
  font-family: var(--display);
  font-size: .95rem;
  color: var(--blossom);
  letter-spacing: .2em;
}
.service__name { font-family: var(--display); font-size: 1.5rem; }
.service__desc { color: var(--ink-3); font-size: .88rem; max-width: 30rem; }
.service__price { font-size: .8rem; color: var(--ink-2); letter-spacing: .1em; }

@media (min-width: 48rem) {
  .service {
    grid-template-columns: 4rem 1fr 10rem;
    align-items: baseline;
    gap: var(--s3);
    padding: var(--s4) 0;
  }
  .service__price { text-align: right; }
}

/* --- Quote -------------------------------------------------------------- */
.quote { text-align: center; max-width: 46rem; margin-inline: auto; }
.quote p {
  font-family: var(--display);
  font-size: clamp(1.4rem, 5vw, 2.3rem);
  line-height: 1.7;
  font-style: italic;
  color: var(--ink);
}
.quote cite {
  display: block;
  margin-top: var(--s3);
  font-family: var(--body);
  font-style: normal;
  font-size: .72rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* --- Steps -------------------------------------------------------------- */
.steps { display: grid; gap: var(--s4); counter-reset: step; }
@media (min-width: 48rem) { .steps { grid-template-columns: repeat(2, 1fr); gap: var(--s5) var(--s4); } }
@media (min-width: 62rem) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { padding-top: var(--s2); border-top: 1px solid var(--line); }
.step__no {
  font-family: var(--display);
  font-size: 2.2rem;
  color: var(--line);
  line-height: 1;
  display: block;
  margin-bottom: .6rem;
}
.step h3 { font-family: var(--display); font-size: 1.2rem; margin-bottom: .4rem; }
.step p { font-size: .85rem; color: var(--ink-3); }

/* --- Form --------------------------------------------------------------- */
.form { display: grid; gap: var(--s3); max-width: 40rem; }
.field { display: grid; gap: .5rem; }
.field label {
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-size: 1rem;           /* 16px — stops iOS zoom on focus */
  font-weight: 300;
  padding: .85rem 0;
  min-height: 46px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  transition: border-color .4s var(--ease);
  color: var(--ink);
}
.field textarea { min-height: 7rem; resize: vertical; line-height: 1.8; }
.field select { appearance: none; cursor: pointer; }
.field--select { position: relative; }
.field--select::after {
  content: "";
  position: absolute;
  right: .3rem; bottom: 1.4rem;
  width: 7px; height: 7px;
  border-right: 1px solid var(--ink-3);
  border-bottom: 1px solid var(--ink-3);
  transform: rotate(45deg);
  pointer-events: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-bottom-color: var(--blossom); }
.field ::placeholder { color: var(--ink-3); opacity: .7; }
.form__note { font-size: .76rem; color: var(--ink-3); line-height: 1.8; }
.form__row { display: grid; gap: var(--s3); }
@media (min-width: 40rem) { .form__row { grid-template-columns: 1fr 1fr; } }

.form__status {
  font-size: .82rem;
  padding: .9rem 1.1rem;
  border: 1px solid var(--sage);
  color: var(--ink-2);
  background: var(--paper-2);
  display: none;
}
.form__status.is-shown { display: block; }

/* --- Info list ---------------------------------------------------------- */
.info { display: grid; gap: var(--s3); }
.info__item { padding-bottom: var(--s2); border-bottom: 1px solid var(--line-soft); }
.info__item dt {
  font-size: .7rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: .35rem;
}
.info__item dd { font-size: .98rem; color: var(--ink); }
.info__item dd span { display: block; font-size: .84rem; color: var(--ink-3); }

/* --- Footer ------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--line-soft);
  padding: var(--s5) 0 var(--s4);
  margin-top: var(--s5);
}
.footer__grid { display: grid; gap: var(--s4); }
@media (min-width: 48rem) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s5); } }
.footer h4 {
  font-size: .7rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--s2);
  font-weight: 400;
}
.footer ul { display: grid; gap: .55rem; font-size: .9rem; color: var(--ink-2); }
.footer ul a { transition: color .3s var(--ease); }
.footer ul a:hover { color: var(--blossom-deep); }
.footer__mark { font-family: var(--display); font-size: 1.6rem; letter-spacing: .18em; }
.footer__blurb { margin-top: var(--s2); font-size: .86rem; color: var(--ink-3); max-width: 24rem; }
.footer__base {
  margin-top: var(--s5);
  padding-top: var(--s2);
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  justify-content: space-between;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-3);
}

/* --- Reveal on scroll --------------------------------------------------- */
/* Only main.js adds .is-in, so the hidden state must never apply when scripting
   is off or main.js fails to load — otherwise the whole page renders blank.
   The inline <head> script drops .no-js before first paint, so there is no flash. */
.no-js .reveal { opacity: 1; transform: none; }
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* --- Utilities ---------------------------------------------------------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px;
  top: .5rem; z-index: 100;
  background: var(--ink); color: var(--paper);
  padding: .7rem 1.2rem; font-size: .8rem;
}
.skip-link:focus { left: 1rem; }
.stack > * + * { margin-top: var(--s2); }
.mt-4 { margin-top: var(--s4); }
.mt-5 { margin-top: var(--s5); }