/* =========================================================
   ANLI FEI — Stylesheet
   Design tokens: warm ivory ground, black ink, restrained jade
   accent. Cormorant Garamond (display) + EB Garamond (body)
   + Jost (labels / nav / utility).
   ========================================================= */

:root{
  /* Colour */
  --ivory:        #F4EFE3;
  --ivory-deep:   #ECE3D0;
  --ink:          #1C1B17;
  --ink-soft:     #55503F;
  --jade:         #3E5C4C;
  --jade-deep:    #26392F;
  --jade-mist:    #AFC1B1;
  --line:         rgba(28,27,23,0.14);
  --line-soft:    rgba(28,27,23,0.08);
  --white:        #FBF9F3;

  /* Type */
  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body:    'EB Garamond', 'Times New Roman', serif;
  --font-sans:    'Jost', Helvetica, Arial, sans-serif;
  --font-calligraphy: 'Ma Shan Zheng', 'Cormorant Garamond', serif;

  /* Layout */
  --container: 1240px;
  --gutter: clamp(24px, 5vw, 72px);
  --header-h: 92px;
}

/* =============== Reset =============== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul, dl{ margin:0; padding:0; list-style:none; }
h1,h2,h3,p{ margin:0; }
button{ font: inherit; background:none; border:none; cursor:pointer; color: inherit; }
input, textarea{ font: inherit; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

:focus-visible{
  outline: 1.5px solid var(--jade);
  outline-offset: 3px;
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background: var(--jade);
  color: var(--white);
  padding: 12px 20px;
  z-index: 999;
  font-family: var(--font-sans);
}
.skip-link:focus{ left: 12px; top: 12px; }

/* =============== Type scale =============== */
.eyebrow{
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--jade);
  font-weight: 400;
}

.section-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: 0.01em;
  margin-top: 14px;
  color: var(--ink);
}

.section-desc{
  max-width: 640px;
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.7;
}

/* =============== Header =============== */
.site-header{
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display:flex;
  align-items:center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .4s ease, border-color .4s ease, height .3s ease;
}
.site-header.is-solid{
  background: rgba(244,239,227,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
  height: 76px;
}

.header-inner{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
}

.logo{
  display:flex;
  flex-direction:column;
  line-height:1;
}
.logo-en{
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.14em;
  color: var(--ink);
}
.logo-cn{
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--jade);
  margin-top: 4px;
}

.main-nav{
  display:flex;
  align-items:center;
  gap: clamp(18px, 2.4vw, 38px);
  font-family: var(--font-sans);
}
.nav-link{
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height:1px;
  background: var(--jade);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nav-link:hover::after,
.nav-link.is-active::after{
  transform: scaleX(1);
}
.nav-link-cta{
  border: 1px solid var(--ink);
  padding: 9px 18px;
  border-radius: 999px;
}
.nav-link-cta::after{ display:none; }
.nav-link-cta:hover{
  background: var(--ink);
  color: var(--ivory);
}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width: 34px;
  height: 34px;
}
.nav-toggle span{
  display:block;
  height:1px;
  background: var(--ink);
  width:100%;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

.nav-scrim{
  position: fixed;
  inset:0;
  background: rgba(28,27,23,0.35);
  opacity:0;
  pointer-events:none;
  transition: opacity .3s ease;
  z-index: 90;
}
.nav-scrim.is-visible{ opacity:1; pointer-events:auto; }

/* =============== Hero =============== */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
}
.hero-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-media::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(244,239,227,0.05) 0%, rgba(244,239,227,0.3) 55%, rgba(244,239,227,0.8) 100%);
}
.hero-content{
  position:relative;
  z-index:1;
  padding: var(--gutter);
  padding-bottom: clamp(64px, 9vw, 120px);
  max-width: 720px;
  color: var(--ink);
}
.hero-title{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(56px, 10vw, 128px);
  letter-spacing: 0.02em;
  margin-top: 18px;
  line-height: 0.95;
  color: var(--ink);
}
.hero-title-cn{
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.3em;
  margin-top: 10px;
  color: var(--jade-deep);
}
.hero-desc{
  margin-top: 26px;
  font-size: 19px;
  max-width: 520px;
  color: var(--ink-soft);
  line-height: 1.7;
  font-weight: 500;
}
.hero-actions{
  margin-top: 36px;
  display:flex;
  flex-wrap:wrap;
  gap: 20px 32px;
  align-items:center;
}

.scroll-cue{
  position:absolute;
  right: var(--gutter);
  bottom: 36px;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-cue i{
  width:1px;
  height: 46px;
  background: rgba(28,27,23,0.25);
  position: relative;
  overflow:hidden;
}
.scroll-cue i::after{
  content:"";
  position:absolute;
  top:-100%; left:0;
  width:100%; height:100%;
  background: var(--ink);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{ top:-100%; }
  60%{ top:100%; }
  100%{ top:100%; }
}

/* =============== Buttons =============== */
.btn{
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 15px 30px;
  transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}
.btn-line{
  border: 1px solid currentColor;
}
.hero-actions .btn-line{
  color: var(--ink);
  border-color: var(--ink);
}
.hero-actions .btn-line:hover{
  background: var(--ink);
  color: var(--ivory);
}
.about-content .btn-line,
.section .btn-line{
  color: var(--ink);
  border-color: var(--ink);
}
.section .btn-line:hover{
  background: var(--ink);
  color: var(--ivory);
}
.btn-text{
  color: var(--ink);
  padding: 15px 0;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
}
.btn-text:hover{
  border-bottom-color: var(--jade);
  color: var(--jade-deep);
}
.btn-solid{
  background: var(--ink);
  color: var(--ivory);
  border: 1px solid var(--ink);
}
.btn-solid:hover{
  background: var(--jade-deep);
  border-color: var(--jade-deep);
}
.btn-inquire{
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--jade);
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 20px;
  width:100%;
  text-align:left;
  display:flex;
  justify-content: space-between;
}
.btn-inquire::after{
  content: "→";
  transition: transform .25s ease;
}
.btn-inquire:hover::after{
  transform: translateX(4px);
}

/* =============== Placeholder imagery =============== */
.img-placeholder{
  position:relative;
  background:
    repeating-linear-gradient(135deg, rgba(28,27,23,0.035) 0 2px, transparent 2px 26px),
    linear-gradient(160deg, var(--ivory-deep), #E3D9C2);
  border: 1px solid var(--line);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap: 10px;
  overflow:hidden;
}
.img-placeholder .placeholder-mark{
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--ink-soft);
}
.img-placeholder .placeholder-caption{
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.7;
  max-width: 220px;
}
.ratio-portrait{ aspect-ratio: 4 / 5; }
.ratio-square{ aspect-ratio: 1 / 1; }

/* =============== Statement band =============== */
.statement{
  background: var(--ink);
  color: var(--ivory);
  padding: 96px 0;
}
.statement-grid{
  display:grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items:start;
}
.statement-number{
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.35em;
  color: var(--jade-mist);
  padding-top: 8px;
}
.statement-text{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.5;
  max-width: 820px;
}

/* =============== Sections =============== */
.section{
  padding: 120px 0;
}
.section-alt{
  background: var(--ivory-deep);
}
.section-head{
  max-width: 760px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 64px;
}

/* =============== Catalog grid =============== */
.catalog-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 40px;
}
.catalog-grid-compact{
  grid-template-columns: repeat(3, 1fr);
}
.catalog-card{
  display:flex;
  flex-direction:column;
}
.catalog-info{
  padding-top: 22px;
}
.lot-number{
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--jade);
}
.catalog-title{
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 500;
  margin-top: 8px;
  color: var(--ink);
}
.catalog-meta{
  margin-top: 16px;
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.catalog-meta > div{
  display:flex;
  gap: 6px;
  font-size: 14.5px;
  line-height: 1.55;
}
.catalog-meta dt{
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  flex: 0 0 92px;
  padding-top: 2px;
}
.catalog-meta dd{
  margin:0;
  color: var(--ink);
}

/* =============== Empty states =============== */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap: 18px;
  padding: 88px var(--gutter);
  border: 1px solid var(--line);
  background: rgba(251,249,243,0.4);
}
.empty-state-mark{
  font-family: var(--font-display);
  font-style: italic;
  font-size: 34px;
  color: var(--jade-mist);
  line-height: 1;
}
.empty-state-title{
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  color: var(--ink);
}
.empty-state-text{
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 420px;
  line-height: 1.6;
}
.empty-state .btn{
  margin-top: 8px;
}

/* =============== About =============== */
.about-grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gutter);
  align-items:center;
}
.about-title-cn{
  font-family: var(--font-calligraphy);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 40px);
  letter-spacing: 0.04em;
  margin-top: 10px;
  color: var(--jade-deep);
  line-height: 1.3;
}

.about-media{ aspect-ratio: 4 / 5; }
.about-text{
  margin-top: 20px;
  font-size: 18px;
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 560px;
}
.about-text + .about-text{ margin-top: 16px; }

.criteria-list{
  margin-top: 40px;
  display:flex;
  flex-direction:column;
  gap: 26px;
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.criteria-list li{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
}
.criteria-list h3{
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--jade-deep);
}
.criteria-list p{
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.6;
  max-width: 420px;
}

.about-content .btn-line{
  margin-top: 40px;
}

/* =============== Journal =============== */
.journal-list{
  display:flex;
  flex-direction:column;
}
.journal-item{
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  display:grid;
  grid-template-columns: 180px 1fr auto;
  gap: 28px;
  align-items:baseline;
}
.journal-item:first-child{ padding-top: 0; }
.journal-meta{
  display:flex;
  flex-direction:column;
  gap: 8px;
  font-family: var(--font-sans);
}
.journal-date{
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.journal-tag{
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jade);
}
.journal-title{
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
}
.journal-excerpt{
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
  max-width: 560px;
}
.journal-link{
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jade);
  white-space: nowrap;
  align-self: start;
}

/* =============== Inquiries =============== */
.inquiries-grid{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--gutter);
}
.contact-details{
  margin-top: 40px;
  display:flex;
  flex-direction:column;
  gap: 22px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.contact-details dt{
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.contact-details dd{
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 21px;
}
.contact-details a{
  border-bottom: 1px solid var(--line-soft);
}
.contact-details a:hover{
  border-color: var(--jade);
  color: var(--jade);
}

.inquiry-form{
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(28px, 4vw, 48px);
  display:flex;
  flex-direction:column;
  gap: 22px;
}
.form-row{
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.form-row label{
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form-row input,
.form-row textarea{
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 10px 2px;
  font-size: 16px;
  color: var(--ink);
  font-family: var(--font-body);
  resize: vertical;
  transition: border-color .25s ease;
}
.form-row input:focus,
.form-row textarea:focus{
  border-bottom-color: var(--jade);
  outline: none;
}
.inquiry-form .btn-solid{
  align-self: flex-start;
  margin-top: 6px;
}
.form-status{
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--jade-deep);
  min-height: 18px;
}
.form-status.is-error{ color: #8B3A3A; }

/* =============== Footer =============== */
.site-footer{
  background: var(--ink);
  color: var(--ivory);
  padding-top: 72px;
}
.footer-inner{
  display:grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(251,249,243,0.14);
}
.footer-logo{ color: var(--ivory); }
.footer-brand .logo-cn{ color: var(--jade-mist); }
.footer-tag{
  margin-top: 14px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(251,249,243,0.6);
}
.footer-nav{
  display:flex;
  flex-direction:column;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.05em;
}
.footer-nav a{
  color: rgba(251,249,243,0.8);
  width: fit-content;
}
.footer-nav a:hover{ color: var(--jade-mist); }
.footer-contact{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 19px;
}
.footer-note{
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(251,249,243,0.55);
}
.footer-bottom{
  padding: 26px var(--gutter);
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(251,249,243,0.5);
}

/* =============== Reveal-on-scroll (progressive enhancement) =============== */
/* Content is visible by default with no dependency on JavaScript.
   script.js opts elements into the animated pre-state (.js-armed) only
   after confirming it can run and observe them; if JavaScript fails,
   is blocked, or never runs, .reveal elements simply stay visible. */
.reveal{
  opacity: 1;
  transform: none;
}
.reveal.js-armed{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.js-armed.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 1080px){
  .catalog-grid,
  .catalog-grid-compact{
    grid-template-columns: repeat(2, 1fr);
  }
  .journal-item{
    grid-template-columns: 140px 1fr;
  }
  .journal-link{ grid-column: 2; }
}

@media (max-width: 900px){
  .about-grid,
  .inquiries-grid{
    grid-template-columns: 1fr;
  }
  .about-media{ order: -1; aspect-ratio: 16/10; }
  .statement-grid{
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 760px){
  :root{ --header-h: 76px; }

  .main-nav{
    position: fixed;
    top: var(--header-h);
    right: 0;
    height: calc(100vh - var(--header-h));
    width: min(78vw, 340px);
    background: var(--ivory);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px var(--gutter);
    gap: 28px;
    transform: translateX(100%);
    transition: transform .35s ease;
    border-left: 1px solid var(--line);
    z-index: 95;
  }
  .main-nav.is-open{
    transform: translateX(0);
  }
  .nav-link{ font-size: 15px; }
  .nav-link-cta{ margin-top: 12px; }
  .nav-toggle{ display:flex; }

  .hero-content{ padding-bottom: 80px; }
  .scroll-cue{ display:none; }

  .catalog-grid,
  .catalog-grid-compact{
    grid-template-columns: 1fr;
  }

  .criteria-list li{
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .journal-item{
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .journal-link{ grid-column: 1; }

  .footer-inner{
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section{ padding: 84px 0; }
  .statement{ padding: 72px 0; }
}

@media (max-width: 420px){
  .hero-title{ font-size: 15vw; }
  .btn{ padding: 14px 22px; }
}