/* 天母上城｜行動優先 */
:root {
  --ink: #231815;
  --text: #3b3431;
  --muted: #6f6763;
  --gold: #b08a4a;
  --line: #d8d2cc;
  --bg: #ffffff;
  --bg-soft: #f1f1f0;
  --info: #5b7470;
  --serif: "Noto Serif TC", "PMingLiU", "MingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --gutter: 24px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 2;
  letter-spacing: .12em;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
p { text-wrap: pretty; }
a { color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 進場動畫 */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.reveal[data-delay="1"] { transition-delay: .2s; }
.reveal[data-delay="2"] { transition-delay: .4s; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* 開場 */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 520px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-inner {
  position: relative; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 0 var(--gutter); gap: 7vh;
}
.hero-logo img { width: min(78vw, 560px); }
.hero-tagline img { width: min(62vw, 360px); filter: drop-shadow(0 1px 6px rgba(0,0,0,.45)); }
.scroll-hint {
  position: absolute; left: 50%; bottom: 28px; width: 1px; height: 48px;
  background: linear-gradient(rgba(255,255,255,0), rgba(255,255,255,.9));
  animation: hint 2.4s var(--ease) infinite;
}
@keyframes hint { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* 享家 */
.intro { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; overflow: hidden; color: #fff; }
.intro-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 40% 50%; }
.intro::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.55), rgba(0,0,0,.25)); z-index: 1; }
.intro-txt { position: relative; z-index: 2; padding: 0 var(--gutter); }
.intro-txt h2 { font-weight: 400; font-size: 20px; letter-spacing: .3em; margin-bottom: 1.4em; }
.intro-txt p { font-size: 15px; line-height: 2.2; letter-spacing: .16em; }
.intro-txt p + p { margin-top: 1.6em; }

/* 通用區塊 */
.sec { position: relative; padding: 96px var(--gutter); overflow: hidden; }
.sec-head { position: relative; z-index: 1; }
.sec-title img { width: 150px; margin-bottom: 28px; }
.sec-txt { font-size: 14px; line-height: 2.2; letter-spacing: .08em; }
.sec-txt + .sec-txt { margin-top: 1.6em; }
.deco { position: absolute; pointer-events: none; z-index: 0; }
.note {
  position: absolute; right: 10px; bottom: 8px;
  font-family: var(--sans); font-size: 11px; letter-spacing: .08em; color: #fff;
  text-shadow: 0 0 4px rgba(0,0,0,.6);
}
figure { position: relative; }

/* 享靜 */
.deco-teal { width: 180px; left: -60px; top: -30px; opacity: .9; }
.quiet .sec-head { padding-top: 40px; }
.quiet-visual { margin: 48px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: end; }
.quiet-bench { width: 100%; }
.quiet-creek { width: 100%; }

/* 享近 */
.near { background: var(--bg-soft); }
.deco-gold { width: 200px; right: -50px; top: -20px; }
.near-people { margin: 48px calc(var(--gutter) * -1) 0; width: calc(100% + var(--gutter) * 2); max-width: none; }
.near-school { margin: 0 calc(var(--gutter) * -1) 48px; width: calc(100% + var(--gutter) * 2); max-width: none; }

/* 享境 */
.deco-sky { width: 180px; left: 0; top: 0; opacity: .85; }
.space .sec-head { text-align: left; }
.space-plan { margin-top: 64px; }
.space-plan .note { color: var(--muted); text-shadow: none; }
.disclaimer { margin-top: 16px; font-family: var(--sans); font-size: 12px; line-height: 1.9; letter-spacing: .06em; color: var(--muted); }
.space-exterior { margin: 64px auto 0; max-width: 560px; }

/* 享進 */
.deco-blue { width: 200px; right: -70px; top: 0; opacity: .85; }

/* 享浸 */
.art { background: #f3f3f3 url("../img/marble-white.webp") center / cover no-repeat; }
.art-works { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 48px; align-items: center; }
.art-1 { grid-row: span 2; }
.art .sec-head { text-align: left; }

/* 讓我們一起享家 */
.together { position: relative; height: 70vh; min-height: 420px; overflow: hidden; }
.together-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 100%; }
.together-title { position: absolute; left: 0; right: 0; top: 18%; display: flex; justify-content: center; padding: 0 var(--gutter); }
.together-title img { width: min(76vw, 520px); }

/* 自建階段 */
.build { background: var(--bg); }
.build-title {
  font-family: var(--sans); font-weight: 500; font-size: 18px; letter-spacing: .3em; text-align: center;
  background: var(--bg-soft); padding: 10px 0; margin: 0 calc(var(--gutter) * -1) 40px;
}
.stage {
  margin-top: 16px; text-align: center; font-family: var(--sans); font-size: 14px; letter-spacing: .2em;
}
.stage::before { content: ""; display: block; height: 1px; background: var(--line); margin-bottom: 14px; }

/* 輪播 */
.slider { position: relative; margin-top: 48px; }
.slides { display: grid; }
.slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity 1s var(--ease), visibility 0s 1s; }
.slide.is-active { opacity: 1; visibility: visible; transition: opacity 1s var(--ease), visibility 0s; }
.slide > img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.slide-tall > img { aspect-ratio: 3 / 2; object-position: 50% 30%; }
.slider-wide .slide > img { aspect-ratio: 16 / 9; }
.slider-build .slide > img { aspect-ratio: 4 / 3; }
.slide figcaption h3 { font-weight: 500; font-size: 18px; letter-spacing: .3em; margin: 20px 0 12px; padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.slide figcaption p { font-family: var(--sans); font-size: 14px; line-height: 1.9; letter-spacing: .08em; }
.card figcaption h3 { font-size: 15px; letter-spacing: .12em; border-bottom: 0; padding-bottom: 0; margin-bottom: 6px; }
.card figcaption p { font-size: 12px; color: var(--muted); }
.slider-ctrl { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 20px; }
.slider-ctrl button {
  width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: transparent;
  cursor: pointer; position: relative;
}
.slider-ctrl button::after {
  content: ""; position: absolute; inset: 0; margin: auto; width: 8px; height: 8px;
  border-top: 1px solid var(--ink); border-right: 1px solid var(--ink);
}
.slider-ctrl .prev::after { transform: translateX(2px) rotate(-135deg); }
.slider-ctrl .next::after { transform: translateX(-2px) rotate(45deg); }
.dots { display: flex; gap: 8px; }
.dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--line); transition: background .4s; }
.dots span.on { background: var(--gold); }

/* 預約 / 基本資料 */
.contact { padding-top: 80px; padding-bottom: 80px; }
.contact-grid { display: grid; gap: 64px; }
.form-title, .info-title { font-family: var(--sans); font-weight: 500; font-size: 20px; letter-spacing: .12em; color: #555; text-align: center; margin-bottom: 24px; }
.form-title span { letter-spacing: .04em; }
.field { display: block; margin-bottom: 10px; }
.field input, .field textarea {
  width: 100%; border: 0; border-radius: 0; background: #f2f2f2; padding: 14px 16px;
  font: 16px/1.5 var(--sans); letter-spacing: .06em; color: var(--ink);
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { outline: 1px solid var(--gold); }
.consent { margin: 18px 0; font-family: var(--sans); font-size: 13px; letter-spacing: .06em; text-align: center; }
.consent input { width: 18px; height: 18px; vertical-align: -4px; margin-right: 6px; accent-color: var(--gold); }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.submit, .btn {
  display: block; width: 100%; padding: 14px; border: 1px solid var(--ink); background: transparent;
  font: 500 15px/1 var(--sans); letter-spacing: .3em; color: var(--ink); text-align: center; text-decoration: none; cursor: pointer;
}
.submit:hover, .btn:hover { background: var(--ink); color: #fff; }
.cf-turnstile { margin-bottom: 18px; min-height: 65px; }
.submit:disabled { opacity: .5; cursor: wait; }
.form-msg { margin-top: 12px; min-height: 1.5em; font-family: var(--sans); font-size: 13px; text-align: center; color: #a33; }
.form-msg.ok { color: var(--ink); }
.info-title { display: flex; align-items: center; justify-content: center; gap: 16px; }
.info-title img { width: 140px; }
.info dl { font-family: var(--sans); font-size: 14px; line-height: 1.7; letter-spacing: .06em; color: var(--info); }
.info dl > div { display: grid; grid-template-columns: 5.5em 1fr; padding: 9px 0; border-bottom: 1px solid #eee; }
.info dt::after { content: "："; }
.info a { text-decoration: none; }
.tbc { background: #fff3b0; color: #7a5b00; font-size: 12px; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }

/* 頁尾 */
.footer { position: relative; overflow: hidden; color: #fff; }
.footer-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.footer-inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 24px; padding: 64px var(--gutter) 32px; }
.footer-tagline { width: 220px; filter: drop-shadow(0 1px 6px rgba(0,0,0,.45)); }
.footer-logo { width: 240px; }
.legal { position: relative; padding: 16px var(--gutter) calc(16px + env(safe-area-inset-bottom)); font-family: var(--sans); font-size: 12px; letter-spacing: .06em; text-align: center; background: rgba(0,0,0,.45); }

/* 個資告知 */
.modal { width: min(92vw, 560px); max-height: 80vh; border: 0; padding: 28px var(--gutter); font-family: var(--sans); font-size: 14px; letter-spacing: .04em; line-height: 1.8; color: var(--text); }
.modal::backdrop { background: rgba(0,0,0,.55); }
.modal h2 { font-size: 17px; font-weight: 500; margin-bottom: 16px; }
.modal-body { margin-bottom: 24px; }

/* 平板以上 */
@media (min-width: 768px) {
  :root { --gutter: 6vw; }
  body { font-size: 16px; }
  .sec { padding: 140px var(--gutter); }
  .sec-title img { width: 200px; }
  .sec-txt { font-size: 16px; letter-spacing: .12em; }
  .intro-txt { padding-left: 18vw; }
  .intro-txt h2 { font-size: 22px; }
  .intro-txt p { font-size: 18px; }
  .hero-inner { gap: 5vh; }

  .quiet { display: grid; grid-template-columns: 1.3fr 1fr; column-gap: 6vw; }
  .quiet .sec-head { grid-column: 1; }
  .quiet .sec-title { text-align: right; }
  .quiet .sec-title img { margin-left: auto; }
  .quiet-visual { grid-column: 1; grid-row: 2; display: block; margin: 40px 0 0; }
  .quiet-bench { width: 70%; }
  .quiet-creek { display: none; }
  .quiet > .slider { grid-column: 2; grid-row: 1 / span 2; margin-top: 0; }
  .deco-teal { width: 280px; }

  .near .sec-head { padding-left: 8vw; }
  .deco-gold { width: 360px; }

  .space .sec-head { display: grid; grid-template-columns: 1fr 1fr; column-gap: 6vw; }
  .space .sec-title { grid-column: 2; text-align: right; }
  .space .sec-title img { margin-left: auto; }
  .space .sec-txt:first-of-type { grid-column: 2; }
  .space .sec-txt:last-of-type { grid-column: 1; grid-row: 1 / span 2; align-self: end; margin-top: 0; }
  .space-plan { display: grid; grid-template-columns: 3fr 1fr; gap: 32px; align-items: start; }
  .disclaimer { margin-top: 0; text-align: right; }
  .deco-sky { width: 300px; }
  .near .slider, .quiet > .slider { max-width: 900px; }
  .near .slider { margin-left: auto; margin-right: auto; }

  .tech .sec-head { display: grid; grid-template-columns: auto 1fr; column-gap: 4vw; align-items: center; }
  .tech .sec-title img { margin-bottom: 0; }
  .deco-blue { width: 380px; }

  .art { display: grid; grid-template-columns: 1fr 1fr; gap: 4vw; align-items: end; }
  .art .sec-head { grid-column: 1 / span 2; display: grid; grid-template-columns: 1fr auto; column-gap: 4vw; align-items: end; }
  .art .sec-title { grid-column: 2; grid-row: 1; }
  .art .sec-txt { grid-column: 1; grid-row: 1; }
  .art-works { grid-column: 1 / span 2; margin-bottom: 0; }

  .together { height: 90vh; }
  .together-title { top: 22%; }

  .contact-grid { grid-template-columns: 1fr 1fr; gap: 6vw; max-width: 1100px; margin: 0 auto; }

  .footer-inner { flex-direction: row; justify-content: center; gap: 10vw; padding: 96px var(--gutter); }
  .footer-tagline { width: 280px; }
  .footer-logo { width: 340px; }
}

/* 桌機 */
@media (min-width: 1200px) {
  .sec { padding-left: 9vw; padding-right: 9vw; }
  .slider-cards .slides { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .slider-cards .slide { grid-area: auto; opacity: 1; visibility: visible; }
  .slider-cards .slider-ctrl { display: none; }
  .slider-build .slides { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .slider-build .slide { grid-area: auto; opacity: 1; visibility: visible; }
  .slider-build .slider-ctrl { display: none; }
}