/* 大事設計｜極簡白底品牌網站（靜態示範） */
:root{
  --bg: #FAFAF7;       /* 米白底 */
  --ink: #1F1F1F;      /* 深灰字 */
  --muted: #6F6F6F;    /* 次要文字 */
  --line: #E6E6E0;     /* 分隔線 */
  --panel: #FFFFFF;   /* 白色面板 */
  --shadow: none;
  --shadow2: none;
  --radius: 10px;
  --radius2: 12px;
  --accent: #1F1F1F;   /* 無印幾乎不做亮色點綴 */
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: "Noto Sans TC", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  letter-spacing: .02em;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 10px 0 0 18px; padding:0; }
li{ margin: 6px 0; }
.skip{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  left: 16px; top: 16px; width:auto; height:auto; padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:12px;
  z-index: 9999;
}

.container{ width:min(1120px, calc(100% - 40px)); margin: 0 auto; }
.noscroll{ overflow:hidden; }

/* Header */
.header{
  position: sticky; top:0; z-index: 50;
  background: rgba(250,250,247,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner{ display:flex; align-items:center; justify-content:space-between; padding: 12px 0; gap: 12px; }
.brand{ display:flex; align-items:center; gap: 12px; min-width: 220px; }
.brand__mark{
  width: 44px; height: 44px;
  border-radius: 10px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
}

.brand__name{ font-weight: 600; letter-spacing: .14em; }
.brand__tag{ font-size: 12px; color: var(--muted); letter-spacing: .12em; }
.nav{ display:flex; align-items:center; gap: 18px; }
.nav a{ font-size: 14px; color: var(--muted); letter-spacing: .04em; }
.nav a:hover{ color: var(--accent); }

.navbtn{
  display:none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  align-items:center; justify-content:center;
  gap:4px;
}
.navbtn span{
  display:block; width:18px; height:2px; background:#111; border-radius: 999px;
}
.navbtn span:nth-child(2){ width: 14px; opacity: .7; }

/* Drawer */
.drawer{ position: fixed; inset:0; z-index: 100; }
.drawer__backdrop{ position:absolute; inset:0; background: rgba(0,0,0,.25); opacity:0; transition: opacity .18s ease; }
.drawer__panel{
  position:absolute; right: 14px; top: 14px;
  width: min(360px, calc(100% - 28px));
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: none;
  transform: translateY(-6px);
  opacity: 0;
  transition: transform .18s ease, opacity .18s ease;
}
.drawer.is-open .drawer__panel{ transform: translateY(0); opacity:1; }
.drawer.is-open .drawer__backdrop{ opacity:1; }
.drawer__head{ display:flex; align-items:center; justify-content:space-between; padding: 16px 16px 10px; }
.drawer__title{ font-weight: 700; letter-spacing: .08em; }
.drawer__close{
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background:#fff;
}
.drawer__links{ display:flex; flex-direction:column; gap: 10px; padding: 10px 16px 16px; }
.drawer__links a{
  padding: 12px 12px;
  border-radius: 14px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.drawer__links a:hover{ background: rgba(0,0,0,.03); }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: none;
  font-weight: 500;
  letter-spacing: .02em;
}
.btn:hover{ background: rgba(0,0,0,.04); }
.btn--ghost{
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}
.btn--ghost:hover{ background: rgba(0,0,0,.03); border-color: #D7D7D0; }
.btn--small{ padding: 10px 14px; font-size: 14px; }

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  padding: 82px 0 68px;
}
.hero__bg{
  position:absolute; inset:0;
  background: var(--bg);
  pointer-events:none;
}
.hero__inner{ position:relative; display:grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start; }
.kicker{ color: var(--muted); letter-spacing: .14em; font-size: 12px; text-transform: uppercase; }
.hero h1{
  margin: 12px 0 12px;
  font-size: clamp(32px, 3.6vw, 46px);
  line-height: 1.18;
  letter-spacing: .03em;
  font-weight: 600;
}
.lead{
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
  max-width: 52ch;
}
.actions{ display:flex; gap: 12px; flex-wrap: wrap; }

.hero__stats{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }
.stat{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.65);
  padding: 14px 12px;
}
.stat__num{ font-weight: 700; color: var(--ink); letter-spacing: .08em; }
.stat__txt{ font-size: 13px; color: #2b2f36; margin-top: 6px; }

.card{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  background: #fff;
  box-shadow: none;
  overflow:hidden;
}
.card--media img{
  height: 280px;
  width:100%;
  object-fit: contain;
  background: #fff;
}

.card--quote{
  margin-top: 12px;
  padding: 18px 18px 16px;
  background: linear-gradient(180deg, #fff, #fbfbfc);
}
.card--quote p{ margin:0; font-size: 14px; color: #2b2f36; }
.card--quote span{ display:block; margin-top: 10px; font-size: 12px; color: var(--muted); }

/* Sections */
.section{ padding: 86px 0; }
.section--alt{
  background: var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section__head{ margin-bottom: 22px; }
.section__head h2{
  margin:0;
  font-size: 24px;
  letter-spacing: .03em;
  font-weight: 600;
}
.section__head p{ margin: 6px 0 0; color: var(--muted); }
.section__head--left{ margin-bottom: 14px; }

.grid{ display:grid; gap: 14px; }
.grid--4{ grid-template-columns: repeat(4, 1fr); }
.service{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  background: var(--panel);
  padding: 22px 20px 18px;
}
.service h3{ margin:0; font-size: 18px; }
.service p{ margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.process{ margin-top: 18px; border: 1px dashed #dfe3e7; border-radius: var(--radius2); padding: 18px; background: #fff; }
.process__head h3{ margin:0; font-size: 18px; }
.process__head p{ margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.steps{
  margin: 14px 0 0; padding:0;
  list-style:none;
  display:grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}
.steps li{
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 10px;
  background: var(--panel);
  font-size: 13px;
  text-align:center;
}
.steps li span{ display:block; color: var(--accent); font-weight: 700; letter-spacing: .06em; }

/* Gallery */
.filters{ display:flex; gap: 10px; margin: 16px 0 18px; flex-wrap: wrap; }
.chip{
  border: 1px solid var(--line);
  background: transparent;
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  color: var(--muted);
}
.chip.is-active{ color: var(--ink); border-color: var(--ink); background: transparent; }

.gallery{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.work{
  grid-column: span 4;
  border-radius: var(--radius2);
  overflow:hidden;
  border: 1px solid var(--line);
  background:#fff;
  box-shadow: none;
}
.work img{ height: 260px; width:100%; object-fit: cover; }
.work figcaption{ padding: 14px 14px 14px; }
.work__title{ font-weight: 700; }
.work__meta{ color: var(--muted); font-size: 13px; margin-top: 4px; }

/* About split */
.split{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
.about p{ margin: 0; color: #2b2f36; }
.about__highlights{ display:flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.pill{
  display:flex; gap: 10px; align-items:center;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 10px 12px;
}
.pill strong{ font-size: 13px; }
.pill span{ font-size: 12px; color: var(--muted); }
.cta{ margin-top: 16px; display:flex; gap: 12px; flex-wrap: wrap; }

.about__media{ display:flex; flex-direction:column; gap: 12px; }
.frame{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  padding: 18px;
  background: linear-gradient(180deg, #fff, #fbfbfc);
  box-shadow: none;
}
.frame img{ width: 100%; height: 210px; object-fit: contain; }
.note{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  padding: 16px;
  background: #fff;
}
.note__title{ font-weight: 700; }
.note__body{
  margin:0;
  font-family: "Noto Sans TC", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  letter-spacing: .02em;
}

/* Contact */
.split--contact{ grid-template-columns: 1.2fr .8fr; }
.form{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  padding: 18px;
  background: #fff;
  box-shadow: none;
}
.field{ display:flex; flex-direction:column; gap: 6px; margin-bottom: 12px; }
.field label{ font-size: 13px; color: #2b2f36; }
input, select, textarea{
  font: inherit;
  border: 1px solid #dfe3e7;
  border-radius: 14px;
  padding: 12px 12px;
  background: #fff;
  outline: none;
}
input:focus, select:focus, textarea:focus{ border-color: rgba(176,138,62,.55); box-shadow: 0 0 0 4px rgba(176,138,62,.14); }
.field--full{ grid-column: 1 / -1; }
.form__actions{ display:flex; align-items:center; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.muted{ font-size: 12px; color: var(--muted); }

.contactcard{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  overflow:hidden;
  background: #fff;
  box-shadow: none;
}
.contactcard__top{ background: #fff; }
.contactcard__logo{ width: 100%; height: 180px; object-fit: cover; }
.contactcard__body{
  margin:0;
  font-family: "Noto Sans TC", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  letter-spacing: .02em;
}
.row{ display:flex; justify-content:space-between; padding: 10px 0; border-bottom: 1px solid rgba(233,236,239,.8); }
.row span{ color: var(--muted); font-size: 13px; }
.row strong{ font-weight: 700; }
.divider{ height: 1px; background: rgba(233,236,239,.9); margin: 12px 0; }
.small{ font-size: 13px; color: var(--muted); line-height: 1.65; }

/* Footer */
.footer{ padding: 26px 0; }
.footer__inner{ display:flex; align-items:center; justify-content:space-between; gap: 14px; flex-wrap: wrap; }
.footbrand{ display:flex; align-items:center; gap: 12px; }
.footbrand img{ width: 44px; height: 44px; object-fit: cover; border-radius: 14px; border: 1px solid var(--line); }
.footbrand__name{ font-weight: 700; letter-spacing: .08em; }
.footbrand__meta{ font-size: 12px; color: var(--muted); letter-spacing: .08em; }
.footlinks{ display:flex; gap: 12px; color: var(--muted); font-size: 14px; }
.footlinks a:hover{ color: var(--accent); }
copyright, .copyright{ font-size: 12px; color: var(--muted); }

/* Responsive */
@media (max-width: 980px){
  .grid--4{ grid-template-columns: repeat(2, 1fr); }
  .steps{ grid-template-columns: repeat(4, 1fr); }
  .hero__inner, .split, .split--contact{ grid-template-columns: 1fr; }
  .card--media img{
  height: 280px;
  width:100%;
  object-fit: contain;
  background: #fff;
}

  .work{ grid-column: span 6; }
}
@media (max-width: 640px){
  .nav{ display:none; }
  .navbtn{ display:inline-flex; }
  .hero{ padding: 52px 0 44px; }
  .hero__stats{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: repeat(2, 1fr); }
  .work{ grid-column: span 12; }
}


/* MUJI flat surfaces override */
.card, .service, .work, .form, .contactcard, .note, .frame, .stat, .process, .steps li{
  box-shadow: none !important;
  border: 1px solid var(--line) !important;
}

/* Logo display: always contain, never crop */
.contactcard__logo,
.frame img,
.footbrand img{
  object-fit: contain !important;
  background: #fff;
}


/* Work details line (坪數/地點/年份) */
.work__details{
  margin-top: .35rem;
  font-size: .85rem;
  color: var(--muted);
}

/* Footer contact */
.footer__contact{
  margin-top: .75rem;
  font-size: .9rem;
  color: var(--muted);
}
.footer__contact a{ color: inherit; text-decoration: underline; text-underline-offset: 3px; }