/* ============================================================
   Johnny & Lydia · Hangzhou 2027 — ink-wash (水墨) design system
   Plain CSS, self-hosted fonts, China-safe (no external CDNs).
   ============================================================ */

/* ---- Self-hosted fonts -------------------------------------
   Drop subset woff2 files into assets/fonts/ (see scripts/subset-fonts.sh).
   Until then, the serif fallbacks render and the site still looks good. */
@font-face{
  font-family:"Fraunces";
  src:url("../fonts/Fraunces-Light.woff2") format("woff2");
  font-weight:300 500; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+2010-2027,U+2030-205E;
}
@font-face{
  font-family:"Fraunces";
  src:url("../fonts/Fraunces-LightItalic.woff2") format("woff2");
  font-weight:300 500; font-style:italic; font-display:swap;
  unicode-range:U+0000-00FF,U+2010-2027,U+2030-205E;
}
@font-face{
  font-family:"EB Garamond";
  src:url("../fonts/EBGaramond-Regular.woff2") format("woff2");
  font-weight:400 600; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+2010-2027,U+2030-205E;
}
@font-face{
  font-family:"EB Garamond";
  src:url("../fonts/EBGaramond-Italic.woff2") format("woff2");
  font-weight:400 600; font-style:italic; font-display:swap;
  unicode-range:U+0000-00FF;
}
@font-face{
  font-family:"Noto Serif SC";
  src:url("../fonts/NotoSerifSC-subset.woff2") format("woff2");
  font-weight:400 700; font-style:normal; font-display:swap;
  unicode-range:U+4E00-9FFF,U+3000-303F,U+FF00-FFEF,U+0020-007E;
}
@font-face{
  font-family:"Cormorant";
  src:url("../fonts/Cormorant-Regular.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap; unicode-range:U+0000-00FF,U+2010-2027,U+2030-205E;
}
@font-face{
  font-family:"Cormorant";
  src:url("../fonts/Cormorant-Medium.woff2") format("woff2");
  font-weight:500; font-style:normal; font-display:swap; unicode-range:U+0000-00FF,U+2010-2027,U+2030-205E;
}
@font-face{
  font-family:"Cormorant";
  src:url("../fonts/Cormorant-SemiBold.woff2") format("woff2");
  font-weight:600; font-style:normal; font-display:swap; unicode-range:U+0000-00FF,U+2010-2027,U+2030-205E;
}
@font-face{
  font-family:"Cormorant";
  src:url("../fonts/Cormorant-Italic.woff2") format("woff2");
  font-weight:400; font-style:italic; font-display:swap; unicode-range:U+0000-00FF;
}
@font-face{
  font-family:"Pinyon Script";
  src:url("../fonts/PinyonScript-Regular.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap; unicode-range:U+0000-00FF,U+2010-2027;
}

/* ---- Tokens ------------------------------------------------ */
:root{
  --paper:    #f4efe2;
  --paper-2:  #ece4d2;
  --paper-3:  #e1d7c1;
  --ink:      #232a2e;
  --ink-soft: #3a4248;
  --ash:      #717a7d;
  --vermilion:#c3272b;
  --vermilion-deep:#9c1f22;
  --jade:     #7ba084;
  --jade-deep:#566c5e;
  --gold:     #c4a567;
  --gold-soft:#d8c39a;
  --hairline: rgba(35,42,46,.16);

  --script:"Pinyon Script","Cormorant",cursive;
  --display:"Cormorant","EB Garamond",Georgia,serif;
  --body:"EB Garamond",Georgia,"Songti SC","Noto Serif SC",serif;
  --zh:"Noto Serif SC","Songti SC","SimSun","STSong",serif;

  --maxw:1180px;
  --gutter:clamp(20px,5vw,72px);
  --shadow:0 1px 0 rgba(31,38,43,.04),0 26px 56px -28px rgba(31,38,43,.34),0 80px 90px -60px rgba(31,38,43,.20);

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  color:var(--ink);
  font-family:var(--body);
  font-size:clamp(16px,1.05vw + 12px,19px);
  line-height:1.72;
  background:
    radial-gradient(1200px 760px at 82% -8%, #efe9da 0%, transparent 58%),
    radial-gradient(900px 700px at -6% 108%, #ded3bc 0%, transparent 55%),
    linear-gradient(180deg,var(--paper),var(--paper-2));
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* faint paper grain */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;mix-blend-mode:multiply;
  background-image: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='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--vermilion);outline-offset:3px;border-radius:2px}

/* lang visibility — default EN; [data-lang=zh] on <html> swaps.
   Scoped to body descendants so the <html lang="zh"> root is never hidden. */
body [lang="zh"]{display:none}
html[data-lang="zh"] body [lang="en"]{display:none}
html[data-lang="zh"] body [lang="zh"]{display:revert}

/* ---- Reusable bits ---------------------------------------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.zh{font-family:var(--zh)}
.eyebrow{
  font-family:var(--body);font-style:italic;color:var(--vermilion);
  font-size:.95rem;letter-spacing:.02em;margin:0 0 .4rem;
}
.label{
  font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;color:var(--ash);
  font-family:var(--body);font-weight:600;
}
h1,h2,h3{font-family:var(--display);font-weight:300;line-height:1.08;margin:0}
h2{font-size:clamp(2rem,4.4vw,3.2rem);letter-spacing:-.01em}
h2 .zh{font-weight:500;font-size:.9em;letter-spacing:.04em}
p{margin:0 0 1.1rem}
.lede{font-size:1.18em;color:var(--ink-soft)}

/* seal + cloud dividers */
.seal{width:54px;height:54px;display:inline-block;background:url("../svg/seal-xi.svg") center/contain no-repeat}
.cloud-rule{display:flex;align-items:center;gap:18px;justify-content:center;margin:0 auto;color:var(--vermilion)}
.cloud-rule::before,.cloud-rule::after{content:"";height:1px;width:min(120px,18vw);background:linear-gradient(90deg,transparent,var(--hairline))}
.cloud-rule::after{background:linear-gradient(270deg,transparent,var(--hairline))}
.cloud-rule img{width:104px;opacity:.9}

/* ---- Navigation ------------------------------------------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gutter);
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease);
}
.nav.scrolled{background:rgba(244,239,226,.86);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--hairline);padding-block:12px}
.nav__brand{font-family:var(--display);font-style:italic;font-size:1.3rem;letter-spacing:.02em;text-decoration:none}
.nav__brand b{font-style:normal;color:var(--vermilion);font-weight:400;padding:0 .12em}
.nav__links{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav__links a{text-decoration:none;font-size:.92rem;letter-spacing:.04em;color:var(--ink-soft);position:relative;padding-bottom:3px}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--vermilion);transition:right .35s var(--ease)}
.nav__links a:hover::after{right:0}
.nav__right{display:flex;align-items:center;gap:16px}
.lang{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;border:1px solid var(--hairline);border-radius:999px;padding:5px 12px;background:rgba(255,255,255,.35);cursor:pointer}
.lang button{all:unset;cursor:pointer;color:var(--ash);font-family:var(--body);padding:0 2px}
.lang button[aria-pressed="true"]{color:var(--vermilion);font-weight:600}
.lang .sep{color:var(--hairline)}
.nav__burger{display:none;all:unset;cursor:pointer;font-size:1.4rem;color:var(--ink)}

/* ---- Hero ------------------------------------------------- */
.hero{position:relative;min-height:100svh;overflow:hidden;display:grid;place-items:center;isolation:isolate}
.hero__sky{position:absolute;inset:0;z-index:-3;background:
  linear-gradient(180deg,#f7f2e6 0%,#eee7d6 38%,#e6dcc6 100%)}
.hero__layer{position:absolute;left:-4%;right:-4%;width:108%;will-change:transform}
.hero__layer img{width:100%;height:auto}
.layer--mountains{bottom:24%;z-index:-3;opacity:.9}
.layer--pagoda{bottom:0;z-index:-2}
.layer--lotus{bottom:-2%;z-index:1}
.layer--willow-l{top:-2%;left:-2%;width:46%;z-index:2}
.layer--willow-r{top:-2%;right:-2%;left:auto;width:46%;z-index:2;transform:scaleX(-1)}
.hero__mist{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(120% 60% at 50% 78%,rgba(247,242,230,.0) 40%,rgba(247,242,230,.55) 100%),
            linear-gradient(180deg,rgba(247,242,230,.25),transparent 22%);}
.hero__mist::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
  background-size:60% 100%;background-repeat:no-repeat;animation:drift 26s linear infinite;opacity:.5}

.hero__content{position:relative;z-index:3;text-align:center;padding:0 var(--gutter);max-width:820px}
.hero__seal{display:block;width:62px;height:62px;margin:0 auto 26px;background:url("../svg/seal-xi.svg") center/contain no-repeat;filter:drop-shadow(0 10px 20px rgba(156,31,34,.28))}
.hero__kicker{font-style:italic;color:var(--vermilion);font-size:1.15rem;margin-bottom:1.1rem}
.hero__names{font-family:var(--script);font-weight:400;font-size:clamp(4rem,13.5vw,9rem);line-height:1.02;letter-spacing:0}
.hero__names .amp{color:var(--vermilion);padding:0 .06em}
.hero__cta{display:inline-block;margin-top:2rem;background:var(--vermilion);color:#fff7ec;text-decoration:none;
  font-family:var(--body);font-size:.82rem;letter-spacing:.24em;text-transform:uppercase;padding:14px 36px;border-radius:3px;
  box-shadow:0 14px 26px -14px rgba(156,31,34,.5);transition:transform .3s var(--ease),background .3s}
.hero__cta:hover{background:var(--vermilion-deep);transform:translateY(-2px)}
.hero__meta{margin-top:1.6rem;display:flex;gap:18px;justify-content:center;align-items:center;flex-wrap:wrap;
  font-size:.82rem;letter-spacing:.32em;text-transform:uppercase;color:var(--ink-soft)}
.hero__meta .dot{width:5px;height:5px;border-radius:50%;background:var(--gold)}
.hero__scroll{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:3;color:var(--ash);
  font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;display:grid;justify-items:center;gap:8px}
.hero__scroll span{width:1px;height:40px;background:linear-gradient(var(--ash),transparent);animation:scrollcue 2.4s var(--ease) infinite}

@keyframes drift{0%{background-position:-60% 0}100%{background-position:160% 0}}
@keyframes scrollcue{0%,100%{transform:scaleY(.4);opacity:.3}50%{transform:scaleY(1);opacity:.9}}

/* ---- Section scaffold + reveals --------------------------- */
section{position:relative;z-index:1;padding:clamp(72px,11vw,150px) 0}
.section-head{max-width:680px;margin-bottom:clamp(36px,5vw,60px)}
.section-head.center{margin-inline:auto;text-align:center}

.reveal{opacity:1}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
html.js .reveal[data-d="1"]{transition-delay:.08s}
html.js .reveal[data-d="2"]{transition-delay:.16s}
html.js .reveal[data-d="3"]{transition-delay:.24s}

/* ---- Story ------------------------------------------------ */
.story{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,6vw,84px);align-items:center}
.story__media{position:relative}
.story__media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:2px;box-shadow:var(--shadow);position:relative;z-index:1}
.story__media::after{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--gold);z-index:0;border-radius:2px}
.story__media .seal{position:absolute;right:-22px;bottom:-22px;z-index:2;width:72px;height:72px}

/* ---- Schedule timeline ------------------------------------ */
.timeline{display:grid;gap:0;border-left:1px solid var(--hairline);margin-left:8px}
.event{position:relative;padding:22px 0 38px 38px}
.event::before{content:"";position:absolute;left:-7px;top:26px;width:13px;height:13px;border-radius:50%;background:var(--paper);border:2px solid var(--vermilion)}
.event__day{font-family:var(--display);font-style:italic;color:var(--vermilion);font-size:1.05rem}
.event__title{font-family:var(--display);font-size:1.5rem;margin:.1rem 0 .3rem}
.event__when{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ash)}
.event.is-main::before{background:var(--vermilion);box-shadow:0 0 0 4px rgba(195,39,43,.16)}

/* ---- Cards grid (venue/travel/tea/faq share) -------------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(18px,2.6vw,30px)}
.card{background:rgba(255,255,255,.42);border:1px solid var(--hairline);border-radius:3px;padding:28px;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card h3{font-size:1.35rem;margin-bottom:.5rem}
.card .label{display:block;margin-bottom:1rem}
.card p{font-size:.98em;color:var(--ink-soft);margin-bottom:0}
.card ul{margin:.4rem 0 0;padding-left:1.1em;color:var(--ink-soft)}
.card ul li{margin-bottom:.35rem}

/* venue map */
.venue{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,56px);align-items:stretch}
.venue__info{align-self:center}
.map{min-height:340px;border-radius:3px;overflow:hidden;border:1px solid var(--hairline);box-shadow:var(--shadow);position:relative;background:var(--paper-3)}
.map iframe{width:100%;height:100%;min-height:340px;border:0;display:block}

/* "the vibe" photo strip below the venue */
.vibe{margin-top:clamp(40px,6vw,72px)}
.vibe__cap{text-align:center;margin-bottom:24px}
.vibe__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.vibe figure{margin:0;overflow:hidden;border-radius:2px;aspect-ratio:4/5;box-shadow:0 18px 36px -26px rgba(31,38,43,.5)}
.vibe img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);filter:saturate(.96)}
.vibe figure:hover img{transform:scale(1.07)}

/* carousel */
.carousel{position:relative;max-width:960px;margin:0 auto}
.carousel__viewport{overflow:hidden;border-radius:3px;box-shadow:0 24px 48px -28px rgba(31,38,43,.55)}
.carousel__track{display:flex;transition:transform .8s var(--ease)}
.carousel__slide{min-width:100%;aspect-ratio:3/2;background:var(--paper-3)}
.carousel__slide img{width:100%;height:100%;object-fit:cover;display:block}
.carousel__btn{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(247,242,230,.82);color:var(--ink);font-family:var(--display);font-size:1.6rem;line-height:1;display:grid;place-items:center;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-shadow:0 8px 18px -8px rgba(0,0,0,.45);transition:background .25s,transform .25s}
.carousel__btn:hover{background:#fff;transform:translateY(-50%) scale(1.07)}
.carousel__btn--prev{left:16px} .carousel__btn--next{right:16px}
.carousel__dots{display:flex;gap:9px;justify-content:center;margin-top:18px}
.carousel__dots button{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:var(--hairline);cursor:pointer;transition:.25s}
.carousel__dots button[aria-current="true"]{background:var(--vermilion);transform:scale(1.35)}
@media (max-width:860px){ .carousel__slide{aspect-ratio:4/3} .carousel__btn{width:40px;height:40px;font-size:1.3rem} }
@media (prefers-reduced-motion:reduce){ .carousel__track{transition:none} }

/* tea ceremony band */
.tea{background:
  linear-gradient(180deg,rgba(86,108,94,.10),rgba(86,108,94,.04));
  border-block:1px solid var(--hairline)}
.tea .steps{counter-reset:step;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;margin-top:36px}
.tea .step{position:relative;padding-top:18px}
.tea .step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--display);font-style:italic;color:var(--jade-deep);font-size:1.5rem;display:block;margin-bottom:.4rem}

/* ---- Gallery (花窗 lattice) ------------------------------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:14px}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:2px;aspect-ratio:1}
.gallery figure.tall{grid-row:span 2;aspect-ratio:auto}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figure::after{content:"";position:absolute;inset:0;background:url("../svg/lattice.svg") repeat;background-size:60px;opacity:0;mix-blend-mode:multiply;transition:opacity .5s var(--ease);pointer-events:none}
.gallery figure:hover::after{opacity:.22}

/* ---- FAQ accordion ---------------------------------------- */
.faq{max-width:760px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--hairline)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-family:var(--display);font-size:1.18rem;display:flex;justify-content:space-between;gap:20px;align-items:baseline}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--vermilion);font-size:1.4rem;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 20px;color:var(--ink-soft);margin:0}

/* ---- RSVP form -------------------------------------------- */
.rsvp{background:
  radial-gradient(140% 90% at 50% 0%,rgba(195,39,43,.06),transparent 60%);
  border-top:1px solid var(--hairline)}
.form{max-width:680px;margin-inline:auto;margin-top:42px;display:grid;gap:22px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:grid;gap:7px}
.field>label{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);font-weight:600}
.field input,.field select,.field textarea{
  font-family:var(--body);font-size:1rem;color:var(--ink);
  background:rgba(255,255,255,.6);border:1px solid var(--hairline);border-radius:3px;
  padding:13px 14px;width:100%;transition:border-color .3s,box-shadow .3s}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--vermilion);box-shadow:0 0 0 3px rgba(195,39,43,.12);outline:none}
.choice{display:flex;gap:14px;flex-wrap:wrap}
.choice label{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;border:1px solid var(--hairline);border-radius:999px;padding:10px 20px;cursor:pointer;background:rgba(255,255,255,.4);transition:.25s}
.choice input{accent-color:var(--vermilion);width:auto;flex:0 0 auto;margin:0}
.choice label:has(input:checked){border-color:var(--vermilion);background:rgba(195,39,43,.07);color:var(--vermilion-deep)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.btn{all:unset;cursor:pointer;text-align:center;justify-self:start;
  background:var(--vermilion);color:#fff7ec;font-size:.86rem;letter-spacing:.22em;text-transform:uppercase;
  padding:16px 40px;border-radius:3px;transition:transform .3s var(--ease),background .3s}
.btn:hover{background:var(--vermilion-deep);transform:translateY(-2px)}
.btn[disabled]{opacity:.55;cursor:wait;transform:none}
.form__note{font-size:.86rem;color:var(--ink-soft)}
.form__status{font-size:.98rem;min-height:1.4em}
.form__status.ok{color:var(--jade-deep)}
.form__status.err{color:var(--vermilion)}
.collapse{display:grid;gap:22px}
.collapse[hidden]{display:none}

/* ---- Footer ----------------------------------------------- */
.footer{text-align:center;padding:70px var(--gutter) 90px;border-top:1px solid var(--hairline);position:relative;z-index:1}
.footer .seal{width:48px;height:48px;margin-bottom:18px}
.footer__names{font-family:var(--script);font-size:2.6rem;line-height:1}
.footer__meta{color:var(--ash);font-size:.82rem;letter-spacing:.24em;text-transform:uppercase;margin-top:10px}

/* ---- Responsive ------------------------------------------- */
@media (max-width:860px){
  .nav__links{display:none}
  .nav__burger{display:block}
  .nav.open .nav__links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:18px;
    background:rgba(244,239,226,.97);padding:22px var(--gutter);box-shadow:0 14px 24px -16px rgba(0,0,0,.3)}
  .story,.venue{grid-template-columns:1fr}
  .story__media{order:-1}
  .story__media::after{inset:12px -12px -12px 12px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .vibe__grid{grid-template-columns:repeat(2,1fr)}
  .form__row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .hero__meta{gap:10px;font-size:.7rem;letter-spacing:.22em}
  .gallery figure.tall{grid-row:span 1;aspect-ratio:1}
}

/* ---- Motion / device guards ------------------------------- */
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1!important;transform:none!important;transition:none}
  .hero__mist::after,.hero__scroll span{animation:none}
  .hero__layer{transform:none!important}
}
html.no-parallax .hero__layer{transform:none!important}