/* ============================================================
   青田．和璞 — 豪宅 Landing Page
   ------------------------------------------------------------
   配色變數集中於 :root，可一次調整全站
   字體：Noto Serif TC（標題）+ Noto Sans TC（內文）+ Cormorant（拉丁）
   ============================================================ */

:root {
  --bg: #f3eee3;
  --bg-elev: #ebe4d4;
  --bg-deep: #2a2622;
  --ink: #2a2622;
  --ink-soft: #6b6359;
  --ink-faint: #a8a094;
  --line: #d9d1bf;
  --accent: #8a6a3b;
  --accent-soft: #b89970;
  --white: #faf7f0;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Noto Sans TC", -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
button { font-family: inherit; }

/* === 通用 === */
section { position: relative; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
@media (max-width: 720px) { .container { padding: 0 24px; } }

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.eyebrow-center { justify-content: center; }
.eyebrow-center::before { display: none; }

.section-title {
  font-family: "Noto Serif TC", serif;
  font-weight: 400;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: 0.08em;
  line-height: 1.25;
  margin: 18px 0 0;
  color: var(--ink);
}
.section-sub {
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 580px;
  margin-top: 16px;
}

.ghost-btn {
  margin-top: 36px;
  padding: 16px 28px;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.3em;
  cursor: pointer;
  transition: all 0.25s;
}
.ghost-btn:hover { background: var(--ink); color: var(--bg); }

/* === Nav === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 48px;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.nav-logo {
  font-family: "Noto Serif TC", serif;
  font-size: 20px;
  letter-spacing: 0.5em;
  font-weight: 500;
  color: var(--ink);
}
.nav-logo .dot { color: var(--accent); margin: 0 2px; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.2em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 12px 22px;
  font-size: 12px;
  letter-spacing: 0.3em;
  cursor: pointer;
  transition: all 0.25s;
}
.nav-cta:hover { background: var(--accent); }
@media (max-width: 860px) {
  .nav { padding: 18px 24px; }
  .nav-links { display: none; }
}

/* === Hero === */
.hero {
  height: 100vh;
  min-height: 720px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  color: #f3eee3;
}
.hero-img { position: absolute; inset: 0; background: #1a1714; overflow: hidden; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(184, 153, 112, 0.18) 0%, transparent 50%),
    linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0) 45%, rgba(0,0,0,0.9) 100%);
  pointer-events: none;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 48px 100px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.5em;
  color: #b89970;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero-eyebrow::before { content: ""; width: 40px; height: 1px; background: #b89970; }
.hero-title {
  font-family: "Noto Serif TC", serif;
  font-weight: 300;
  font-size: clamp(56px, 10vw, 140px);
  letter-spacing: 0.15em;
  line-height: 1;
  margin: 0;
}
.hero-title .sep { color: #b89970; font-size: 0.5em; vertical-align: middle; margin: 0 0.05em; }
.hero-tagline {
  margin-top: 40px;
  font-family: "Noto Serif TC", serif;
  font-weight: 300;
  font-size: clamp(18px, 2vw, 26px);
  letter-spacing: 0.3em;
  color: #ebe4d4;
  max-width: 640px;
}
.hero-tagline .latin {
  display: block;
  font-size: 14px;
  letter-spacing: 0.15em;
  color: rgba(184, 153, 112, 0.85);
  margin-top: 10px;
  font-style: italic;
  font-family: "Cormorant Garamond", serif;
}
.hero-meta {
  margin-top: 56px;
  display: flex;
  gap: 56px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.hero-meta .item {
  font-size: 12px;
  letter-spacing: 0.25em;
  color: rgba(235, 228, 212, 0.65);
}
.hero-meta .item strong {
  display: block;
  font-family: "Noto Serif TC", serif;
  font-size: 22px;
  color: #f3eee3;
  font-weight: 400;
  margin-bottom: 6px;
  letter-spacing: 0.15em;
}
.scroll-cue {
  position: absolute;
  bottom: 36px;
  right: 48px;
  z-index: 3;
  font-size: 10px;
  letter-spacing: 0.4em;
  color: rgba(243, 238, 227, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  writing-mode: vertical-rl;
}
.scroll-cue::after {
  content: "";
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, rgba(243,238,227,0.6), transparent);
  animation: cue 2s ease-in-out infinite;
}
@keyframes cue {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}
@media (max-width: 720px) {
  .hero-content { padding: 0 24px 80px; }
  .hero-meta { gap: 28px; }
  .scroll-cue { display: none; }
}

/* === Selling points === */
.points { padding: 140px 0 120px; background: var(--bg); }
.points-head { text-align: center; margin-bottom: 80px; }
.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 860px) { .points-grid { grid-template-columns: 1fr; } }
.point {
  background: var(--bg);
  padding: 56px 44px 52px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: background 0.4s;
}
.point:hover { background: var(--bg-elev); }
.point-num {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
  font-style: italic;
}
.point-glyph {
  width: 64px; height: 64px;
  margin-bottom: 8px;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.point-glyph svg { width: 28px; height: 28px; stroke: var(--accent); fill: none; stroke-width: 1.2; }
.point h3 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: 26px;
  margin: 0;
  letter-spacing: 0.12em;
  color: var(--ink);
}
.point p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.85; }
.point-spec {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
}

/* === Units === */
.units { padding: 140px 0; background: var(--bg-elev); }
.units-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
  gap: 40px;
  flex-wrap: wrap;
}
.unit-tabs {
  display: flex;
  border: 1px solid var(--line);
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.unit-tab {
  flex: 1;
  min-width: 180px;
  background: transparent;
  border: none;
  padding: 22px 28px;
  text-align: left;
  cursor: pointer;
  color: var(--ink-soft);
  border-right: 1px solid var(--line);
  transition: all 0.3s;
  position: relative;
}
.unit-tab:last-child { border-right: none; }
.unit-tab.active { background: var(--ink); color: var(--bg); }
.unit-tab .label-cn {
  font-family: "Noto Serif TC", serif;
  font-size: 18px;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 4px;
}
.unit-tab .label-en {
  font-size: 10px;
  letter-spacing: 0.3em;
  opacity: 0.65;
}
.unit-tab .label-size {
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 14px;
  opacity: 0.7;
}

.unit-detail {
  display: none;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: start;
}
.unit-detail.active { display: grid; }
@media (max-width: 860px) { .unit-detail.active { grid-template-columns: 1fr; gap: 40px; } }

.floorplan {
  aspect-ratio: 4 / 3;
  background: var(--bg);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.floorplan-tag {
  position: absolute; top: 20px; left: 20px;
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-faint);
  z-index: 2;
}
.floorplan-corner {
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--accent);
}
.floorplan-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.floorplan-corner.tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.floorplan-corner.bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.floorplan-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }
.floorplan-svg { width: 100%; height: 100%; color: var(--ink-soft); }

.unit-info h3 {
  font-family: "Noto Serif TC", serif;
  font-weight: 400;
  font-size: 36px;
  letter-spacing: 0.1em;
  margin: 0 0 8px;
  color: var(--ink);
}
.unit-info .unit-sub {
  color: var(--accent);
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 18px;
  margin-bottom: 32px;
}
.unit-info p { color: var(--ink-soft); font-size: 15px; line-height: 1.9; margin: 0 0 28px; }
.unit-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 32px;
  margin: 32px 0;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat .label { font-size: 11px; letter-spacing: 0.25em; color: var(--ink-faint); margin-bottom: 6px; }
.stat .value {
  font-family: "Noto Serif TC", serif;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: 0.05em;
}
.stat .value small {
  font-size: 12px;
  color: var(--ink-soft);
  margin-left: 4px;
  letter-spacing: 0.1em;
}
.unit-features {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.unit-features li {
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: 24px;
  position: relative;
}
.unit-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 12px; height: 1px;
  background: var(--accent);
}

/* === Location === */
.location { padding: 140px 0; background: var(--bg); }
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 860px) { .location-grid { grid-template-columns: 1fr; gap: 48px; } }

.map-wrap {
  aspect-ratio: 1 / 1;
  background: var(--bg-elev);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}
.map-svg { width: 100%; height: 100%; color: var(--ink-faint); }
.map-pin {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
}
.map-pin .ring {
  width: 64px; height: 64px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  position: relative;
  margin: 0 auto;
  animation: pulse 2.4s ease-out infinite;
}
.map-pin .ring::after {
  content: "";
  position: absolute;
  inset: 0; margin: auto;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
}
.map-pin .label {
  margin-top: 12px;
  font-family: "Noto Serif TC", serif;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--ink);
  background: var(--bg);
  padding: 4px 10px;
  display: inline-block;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); }
  100% { box-shadow: 0 0 0 24px transparent; }
}
.map-poi {
  position: absolute;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.15em;
  font-family: ui-monospace, monospace;
}
.map-poi::before {
  content: "";
  display: inline-block;
  width: 4px; height: 4px;
  background: var(--ink-faint);
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.location-list {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 40px;
}
.location-item .ico {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}
.location-item h4 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: 17px;
  margin: 0 0 6px;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.location-item p { margin: 0; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* === Contact === */
.contact { padding: 140px 0 100px; background: var(--bg-deep); color: #ebe4d4; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 48px; } }

.contact-info .eyebrow { color: #b89970; }
.contact-info .eyebrow::before { background: #b89970; }
.contact-info h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 300;
  font-size: clamp(34px, 4vw, 52px);
  margin: 18px 0 24px;
  letter-spacing: 0.08em;
  line-height: 1.3;
  color: #f3eee3;
}
.contact-info p {
  color: rgba(235, 228, 212, 0.7);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 40px;
}
.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid rgba(235, 228, 212, 0.15);
}
.contact-meta .row { display: flex; gap: 16px; align-items: baseline; }
.contact-meta .row .k {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #b89970;
  width: 70px;
  flex-shrink: 0;
}
.contact-meta .row .v {
  font-family: "Noto Serif TC", serif;
  font-size: 16px;
  letter-spacing: 0.05em;
  color: #ebe4d4;
}

.form {
  background: rgba(235, 228, 212, 0.03);
  border: 1px solid rgba(235, 228, 212, 0.12);
  padding: 56px 48px;
}
.form-row { margin-bottom: 28px; }
.form-row label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #b89970;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.form-row label .cn {
  font-family: "Noto Serif TC", serif;
  color: #ebe4d4;
  letter-spacing: 0.2em;
  font-size: 13px;
  margin-right: 10px;
}
.form-row input[type="text"],
.form-row input[type="tel"] {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(235, 228, 212, 0.2);
  padding: 10px 0 14px;
  font-family: "Noto Serif TC", serif;
  font-size: 17px;
  color: #f3eee3;
  letter-spacing: 0.05em;
  transition: border-color 0.2s;
  border-radius: 0;
}
.form-row input:focus { outline: none; border-bottom-color: #b89970; }
.form-row input::placeholder { color: rgba(235, 228, 212, 0.3); }

.unit-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.unit-option {
  background: transparent;
  border: 1px solid rgba(235, 228, 212, 0.2);
  color: rgba(235, 228, 212, 0.7);
  padding: 16px 12px;
  cursor: pointer;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  letter-spacing: 0.1em;
  transition: all 0.25s;
  text-align: center;
}
.unit-option:hover { border-color: #b89970; color: #ebe4d4; }
.unit-option.selected {
  background: #b89970;
  border-color: #b89970;
  color: #1a1714;
}
.unit-option small {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.15em;
  margin-top: 4px;
  opacity: 0.8;
}

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 12px 0 28px;
  font-size: 12px;
  color: rgba(235, 228, 212, 0.55);
  line-height: 1.6;
  cursor: pointer;
}
.consent input { margin-top: 3px; accent-color: #b89970; }

.submit-btn {
  width: 100%;
  background: #b89970;
  color: #1a1714;
  border: none;
  padding: 22px;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  letter-spacing: 0.5em;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
}
.submit-btn:hover { background: #d3b389; letter-spacing: 0.6em; }
.submit-btn .latin {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.3em;
  margin-top: 4px;
  font-weight: 300;
}

.form-error {
  color: #d97a6c;
  font-size: 11px;
  letter-spacing: 0.15em;
  margin-top: 6px;
  min-height: 16px;
}
.form-success {
  background: rgba(184, 153, 112, 0.1);
  border: 1px solid #b89970;
  padding: 56px 48px;
  text-align: center;
}
.form-success .check {
  font-family: "Cormorant Garamond", serif;
  font-size: 56px;
  color: #b89970;
  line-height: 1;
  margin-bottom: 20px;
  font-style: italic;
}
.form-success h3 {
  font-family: "Noto Serif TC", serif;
  font-weight: 400;
  font-size: 26px;
  letter-spacing: 0.15em;
  margin: 0 0 16px;
  color: #f3eee3;
}
.form-success p {
  color: rgba(235, 228, 212, 0.65);
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
}
.form-success strong { color: #b89970; }

/* === Footer === */
footer {
  background: var(--bg-deep);
  color: rgba(235, 228, 212, 0.5);
  padding: 48px;
  border-top: 1px solid rgba(235, 228, 212, 0.1);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-align: center;
  line-height: 2;
}
footer .disclaimer {
  max-width: 720px;
  margin: 0 auto 20px;
  font-size: 10px;
  color: rgba(235, 228, 212, 0.3);
  letter-spacing: 0.1em;
  line-height: 1.7;
}

/* === Reveal animation === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}