/* ============================================================
   環境介紹 /environment/ — 改版自 Figma「環境介紹」
   Hero(生命的福田 永恆的家席)+ 各樓層空間 + 關係品牌
   ============================================================ */

:root {
  --env-brown: #6d4d28;
  --env-tint: #f8f2e8;
  --env-bg: #fffefc;
}

.env-hero,
.env-floor,
.env-brands {
  background: var(--env-bg);
}

/* ---------- Hero ---------- */
.env-hero {
  padding: clamp(48px, 7vw, 90px) 0 clamp(56px, 8vw, 100px);
}

.env-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}

.env-hero__media {
  position: relative;
  margin: 0;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 22px 50px rgba(74, 54, 40, .16);
}

.env-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 798 / 711;
  object-fit: cover;
}

.env-hero__media figcaption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .5);
}

.env-hero__en {
  margin: 0 0 22px;
  font-family: "Lustria", Georgia, "Noto Serif TC", serif;
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.85;
  color: var(--env-brown);
}

.env-hero__title {
  margin: 0 0 26px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(36px, 5.6vw, 55px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.16em;
  color: var(--env-brown);
}

.env-hero__tagline {
  margin: 0 0 34px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 500;
  letter-spacing: 0.46em;
  color: var(--env-brown);
}

.env-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.env-hero__chips a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid #91785b;
  border-radius: 28px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--env-brown);
  transition: background-color .2s ease, color .2s ease;
}

.env-hero__chips a:hover,
.env-hero__chips a:focus-visible {
  background: var(--env-brown);
  color: #fff;
}

/* 手機版固定樓層導覽列(桌機隱藏,改用 hero 內的 chips) */
.env-floor-nav {
  display: none;
}

/* ---------- 樓層區段 ---------- */
.env-floor {
  padding: clamp(48px, 7vw, 88px) 0;
}

.env-floor--tint {
  background: var(--env-tint);
}

.env-floor__inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.4fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}

.env-floor__inner--reverse {
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.78fr);
}

.env-floor__inner--reverse .env-floor__text {
  order: 2;
}

.env-floor__num {
  position: relative;
  --env-arrow-w: clamp(144px, 18vw, 240px);
  margin: 0 0 12px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(38px, 5vw, 50px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--env-brown);
}

/* 數字下方箭頭線 */
.env-floor__num::after {
  content: "";
  display: block;
  position: relative;
  width: var(--env-arrow-w);
  height: 1.5px;
  margin-top: 14px;
  background: var(--env-brown);
}

/* 底線最右端往左上的斜線,構成半個箭頭 */
.env-floor__num::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: calc(var(--env-arrow-w) - 18px);
  width: 18px;
  height: 1.5px;
  background: var(--env-brown);
  transform-origin: right bottom;
  transform: rotate(45deg);
}

.env-room {
  margin-top: clamp(22px, 3vw, 30px);
}

.env-room__name {
  margin: 0 0 16px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--env-brown);
}

.env-room__desc {
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(15px, 1.5vw, 16px);
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--env-brown);
}

/* ---------- 1F:圖文配對(圖上、文字置中於下);桌機兩欄、手機堆疊 ---------- */
.env-floor__num--center {
  text-align: center;
}

.env-floor__num--center::after {
  margin-left: auto;
  margin-right: auto;
}

/* 置中後,斜線箭頭改釘在「置中底線的右端」 */
.env-floor__num--center::before {
  left: calc(50% + var(--env-arrow-w) / 2 - 18px);
}

.env-rooms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  margin-top: clamp(28px, 4vw, 44px);
}

.env-rooms__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(20px, 3vw, 28px);
}

.env-rooms__item .env-shot {
  width: 100%;
}

.env-rooms__item .env-shot img {
  aspect-ratio: 280 / 231;
}

/* 配對版的文字置中、無菱形 icon */
.env-room--center {
  margin-top: 0;
  text-align: center;
}

.env-room--center .env-room__name,
.env-room--center .env-room__desc {
  padding-left: 0;
  text-align: center;
}

.env-room--center .env-room__name::before {
  display: none;
}

/* ---------- 照片拼貼 ---------- */
.env-gallery {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.env-shot {
  margin: 0;
  border-radius: 15px;
  overflow: hidden;
  background: #faf7f2;
  box-shadow: 0 14px 34px rgba(58, 42, 32, .12);
}

.env-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 單圖 */
.env-gallery--1 .env-shot img {
  aspect-ratio: 16 / 9;
}

/* 樓層下方獨立置中特寫圖(如 5-9F 第二張) */
.env-floor__feature {
  margin-top: clamp(28px, 4vw, 48px);
}

.env-floor__feature .env-shot {
  max-width: min(100%, 820px);
  margin-inline: auto;
}

.env-floor__feature .env-shot img {
  aspect-ratio: 16 / 9;
}

/* 雙圖:大 + 小錯落 */
.env-gallery--2 {
  grid-template-columns: 1.1fr 0.9fr;
  grid-template-rows: auto auto;
  align-items: start;
}

.env-gallery--2 .env-shot--lg {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.env-gallery--2 .env-shot--lg img {
  aspect-ratio: 637 / 500;
}

.env-gallery--2 .env-shot--sm {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

.env-gallery--2 .env-shot--sm img {
  aspect-ratio: 428 / 351;
}

/* 四圖 bento */
.env-gallery--4 {
  grid-template-columns: repeat(6, 1fr);
}

.env-gallery--4 .env-shot--a {
  grid-column: 1 / 4;
}

.env-gallery--4 .env-shot--a img {
  aspect-ratio: 512 / 288;
}

.env-gallery--4 .env-shot--b {
  grid-column: 4 / 7;
}

.env-gallery--4 .env-shot--b img {
  aspect-ratio: 442 / 219;
}

.env-gallery--4 .env-shot--c {
  grid-column: 1 / 4;
}

.env-gallery--4 .env-shot--c img {
  aspect-ratio: 502 / 335;
}

.env-gallery--4 .env-shot--d {
  grid-column: 4 / 7;
}

.env-gallery--4 .env-shot--d img {
  aspect-ratio: 656 / 438;
}

/* ---------- 關係品牌 ---------- */
.env-brands {
  padding: clamp(56px, 8vw, 100px) 0 clamp(64px, 9vw, 110px);
}

.env-brands__title {
  margin: 0 auto clamp(36px, 5vw, 56px);
  text-align: center;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(30px, 3.8vw, 40px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--env-brown);
}

.env-brands__grid {
  display: grid;
  grid-template-columns: minmax(0, 656fr) minmax(0, 557fr);
  gap: clamp(24px, 3vw, 30px);
  align-items: start;
}

.env-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.env-brand__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  color: inherit;
  text-decoration: none;
}

.env-brand__link:hover .env-brand__card {
  box-shadow: 0 18px 44px rgba(58, 42, 32, .18);
}

.env-brand__name {
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--env-brown);
}

.env-brand__card {
  margin: 0;
  width: 100%;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(58, 42, 32, .1);
}

.env-brand__card img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 響應式 ---------- */
@media (max-width: 980px) {
  .env-hero__inner {
    grid-template-columns: 1fr;
  }

  .env-floor__inner,
  .env-floor__inner--reverse {
    grid-template-columns: 1fr;
  }

  .env-floor__inner--reverse .env-floor__text {
    order: 0;
  }

  /* 1F:圖文配對改單欄堆疊(圖→文→圖→文) */
  .env-rooms {
    grid-template-columns: 1fr;
  }

  /* 手機版:樓層標題與文字置中、移除菱形 icon */
  .env-floor__num {
    text-align: center;
  }

  .env-floor__num::after {
    margin-left: auto;
    margin-right: auto;
  }

  /* 置中後,斜線箭頭改釘在置中底線的右端 */
  .env-floor__num::before {
    left: calc(50% + var(--env-arrow-w) / 2 - 18px);
  }

  .env-room__name,
  .env-room__desc {
    padding-left: 0;
    text-align: center;
  }

  .env-room__name::before {
    display: none;
  }
}

@media (max-width: 600px) {
  .env-gallery--2,
  .env-gallery--4 {
    grid-template-columns: 1fr;
  }

  .env-gallery--2 .env-shot--lg,
  .env-gallery--2 .env-shot--sm,
  .env-gallery--4 .env-shot--a,
  .env-gallery--4 .env-shot--b,
  .env-gallery--4 .env-shot--c,
  .env-gallery--4 .env-shot--d {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .env-brands__grid {
    grid-template-columns: 1fr;
    gap: clamp(28px, 6vw, 40px);
  }
}

/* ---------- 手機版:樓層快速導覽縮成單行並固定在頂端 ---------- */
@media (max-width: 767px) {
  /* hero 內的 chips 改由固定列取代 */
  .env-hero__chips {
    display: none;
  }

  .env-floor-nav {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    position: sticky;
    top: 64px; /* 對齊 topbar 手機高度 */
    z-index: 49; /* 低於 topbar(50) */
    padding: 9px 16px;
    background: rgba(255, 254, 252, .96);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 14px rgba(74, 54, 40, .12);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .env-floor-nav::-webkit-scrollbar {
    display: none;
  }

  .env-floor-nav a {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    padding: 6px 13px;
    border: 1px solid #91785b;
    border-radius: 28px;
    font-family: "Noto Serif TC", "Songti TC", serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--env-brown);
    white-space: nowrap;
  }

  /* 點擊跳轉時,標題不被 topbar + 固定列遮住 */
  .env-floor {
    scroll-margin-top: 116px;
  }
}