/* =========================================================
   STYLE COLLECTION / 禮服風格
   story11.tw

   - 獨立檔案，不影響 header / footer
   - 純圖不對稱網格，文字極簡
   - 手機優先，斷點 700px / 1000px
   - 無 !important
========================================================= */

.style-guide {
  --sg-ink:       var(--color-ink, #302a26);
  --sg-muted:     var(--color-muted, #766b62);
  --sg-gold:      var(--color-gold, #a4856d);
  --sg-ivory:     var(--color-ivory, #f6f1ea);
  --sg-white:     #ffffff;
  --sg-alt:       #f7f3ee;
  --sg-line:      rgba(48, 42, 38, 0.16);
  --sg-fill:      #e8dfd6;

  --sg-serif:
    "Noto Serif TC",
    "PingFang TC",
    "Microsoft JhengHei",
    serif;

  --sg-sans:
    "Noto Sans TC",
    "PingFang TC",
    "Microsoft JhengHei",
    system-ui,
    sans-serif;

  --sg-page: min(100%, 1380px);
  --sg-gutter: 16px;
  --sg-gap: 10px;

  --sg-header: var(--header-height, 86px);

  display: block;

  color: var(--sg-ink);

  font-family: var(--sg-sans);
}

.style-guide *,
.style-guide *::before,
.style-guide *::after {
  box-sizing: border-box;
}

:where(.style-guide img) {
  display: block;
  max-width: 100%;
}

:where(.style-guide a) {
  color: inherit;
  text-decoration: none;
}


/* =========================================================
   共用
========================================================= */

.style-guide-eyebrow {
  margin: 0 0 14px;

  color: var(--sg-gold);

  font-size: 9px;
  font-weight: 700;

  line-height: 1.4;
  letter-spacing: 0.28em;
}


/* =========================================================
   01 / HERO
========================================================= */

.style-guide-hero {
  position: relative;

  display: flex;
  align-items: flex-end;

  width: 100%;
  height: 58svh;
  min-height: 420px;

  padding: 0 var(--sg-gutter);

  overflow: hidden;

  background: var(--sg-fill);
}

.style-guide-hero-media {
  position: absolute;
  inset: 0;

  z-index: 0;

  overflow: hidden;
}

.style-guide-hero-media img {
  width: 100%;
  height: 100%;

  object-fit: cover;
  object-position: center 28%;
}

.style-guide-hero-overlay {
  position: absolute;
  inset: 0;

  z-index: 1;

  background:
    linear-gradient(
      to top,
      rgba(0, 0, 0, 0.58),
      rgba(0, 0, 0, 0.18) 52%,
      rgba(0, 0, 0, 0.34)
    );

  pointer-events: none;
}

.style-guide-hero-inner {
  position: relative;
  z-index: 2;

  width: var(--sg-page);

  margin: 0 auto;

  padding-bottom: clamp(34px, 8vw, 56px);

  color: var(--sg-white);
}


/* ---------- 麵包屑 ---------- */

.style-guide-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;

  margin-bottom: 24px;

  color: rgba(255, 255, 255, 0.68);

  font-size: 11px;
  letter-spacing: 0.1em;
}

.style-guide-breadcrumb a {
  padding-bottom: 2px;

  border-bottom: 1px solid transparent;

  transition:
    color 0.25s ease,
    border-color 0.25s ease;
}

.style-guide-breadcrumb a:hover {
  color: var(--sg-white);
  border-bottom-color: rgba(255, 255, 255, 0.7);
}

.style-guide-breadcrumb span[aria-current] {
  color: var(--sg-white);
}

.style-guide-hero .style-guide-eyebrow {
  color: rgba(255, 255, 255, 0.8);
}

.style-guide-heading {
  margin: 0;

  color: var(--sg-white);

  font-family: var(--sg-serif);

  font-size: clamp(40px, 11vw, 54px);
  font-weight: 300;

  line-height: 1.1;
  letter-spacing: 0.08em;

  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}

.style-guide-hero-text {
  max-width: 480px;

  margin: 16px 0 0;

  color: rgba(255, 255, 255, 0.82);

  font-size: 12px;

  line-height: 2;
  letter-spacing: 0.04em;
}


/* =========================================================
   02 / INDEX
========================================================= */

.style-guide-index {
  width: 100%;

  padding: 0 var(--sg-gutter);

  background: var(--sg-ivory);

  border-bottom: 1px solid var(--sg-line);
}

.style-guide-index-list {
  display: flex;

  gap: 24px;

  width: var(--sg-page);

  margin: 0 auto;
  padding: 0;

  overflow-x: auto;

  list-style: none;

  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

.style-guide-index-list::-webkit-scrollbar {
  display: none;
}

.style-guide-index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;

  padding: 18px 0;

  color: rgba(48, 42, 38, 0.55);

  font-size: 13px;
  font-weight: 500;

  letter-spacing: 0.1em;

  white-space: nowrap;

  scroll-snap-align: start;

  transition: color 0.3s ease;
}

.style-guide-index-list a span {
  color: var(--sg-gold);

  font-size: 8px;
  font-weight: 700;

  letter-spacing: 0.18em;
}

.style-guide-index-list a:hover {
  color: var(--sg-ink);
}


/* =========================================================
   03 / BLOCK
   每個風格一個區段，交替背景
========================================================= */

.style-guide-block {
  width: 100%;

  padding:
    56px
    var(--sg-gutter)
    64px;

  background: var(--sg-white);

  scroll-margin-top: var(--sg-header);
}

.style-guide-block.is-alt {
  background: var(--sg-alt);
}


/* ---------- 標題 ---------- */

.style-guide-block-heading {
  width: var(--sg-page);

  margin: 0 auto 26px;

  padding-top: 26px;

  border-top: 1px solid var(--sg-line);
}

.style-guide-block-number {
  margin: 0 0 10px;

  color: var(--sg-gold);

  font-size: 8px;
  font-weight: 700;

  line-height: 1.4;
  letter-spacing: 0.23em;
}

.style-guide-block-heading h2 {
  margin: 0;

  color: var(--sg-ink);

  font-family: var(--sg-serif);

  font-size: clamp(32px, 9vw, 40px);
  font-weight: 300;

  line-height: 1.15;
  letter-spacing: 0.08em;
}

.style-guide-block-text {
  max-width: 420px;

  margin: 14px 0 0;

  color: var(--sg-muted);

  font-size: 12px;

  line-height: 2;
  letter-spacing: 0.04em;
}


/* ---------- 不對稱網格 ---------- */

.style-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: var(--sg-gap);

  width: var(--sg-page);

  margin: 0 auto;
}

.style-guide-cell {
  position: relative;

  display: block;

  min-width: 0;

  overflow: hidden;

  background: var(--sg-fill);

  aspect-ratio: 3 / 4;
}

.style-guide-cell img {
  width: 100%;
  height: 100%;

  object-fit: cover;
  object-position: center top;

  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.style-guide-cell:hover img {
  transform: scale(1.035);
}

.style-guide-cell:focus-visible {
  outline: 1px solid var(--sg-gold);
  outline-offset: 4px;
}


/* 手機：橫圖跨兩欄 */

.style-guide-cell.is-wide {
  grid-column: span 2;

  aspect-ratio: 3 / 2;
}


/* =========================================================
   04 / INVITE
========================================================= */

.style-guide-invite {
  width: 100%;

  padding:
    68px
    var(--sg-gutter)
    80px;

  background: var(--sg-ivory);
}

.style-guide-invite-inner {
  width: var(--sg-page);
  max-width: 700px;

  margin: 0 auto;
}

.style-guide-invite-title {
  margin: 0;

  color: var(--sg-ink);

  font-family: var(--sg-serif);

  font-size: clamp(30px, 8vw, 40px);
  font-weight: 300;

  line-height: 1.35;
  letter-spacing: 0.08em;
}

.style-guide-invite-text {
  margin: 18px 0 0;

  color: var(--sg-muted);

  font-size: 12px;

  line-height: 2.1;
  letter-spacing: 0.04em;
}

.style-guide-invite-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  min-height: 54px;

  margin-top: 30px;
  padding: 0 32px;

  border: 1px solid var(--sg-ink);

  background: var(--sg-ink);

  color: var(--sg-white);

  font-size: 10px;
  font-weight: 700;

  letter-spacing: 0.18em;

  transition:
    background-color 0.3s ease,
    border-color 0.3s ease;
}

.style-guide-invite-link span {
  font-size: 13px;
  line-height: 1;
}

.style-guide-invite-link:hover {
  background: var(--sg-gold);
  border-color: var(--sg-gold);
}


/* =========================================================
   Tablet　≥ 700px
========================================================= */

@media (min-width: 700px) {

  .style-guide {
    --sg-gutter: 4vw;
    --sg-gap: 14px;
  }


  /* Hero */

  .style-guide-hero {
    height: 60svh;
    min-height: 480px;
  }

  .style-guide-heading {
    font-size: clamp(52px, 6.5vw, 68px);
  }

  .style-guide-hero-text {
    font-size: 13px;
  }


  /* Index */

  .style-guide-index-list {
    gap: 36px;
  }


  /* Block */

  .style-guide-block {
    padding-top: 72px;
    padding-bottom: 88px;
  }

  .style-guide-block-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;

    gap: 40px;

    margin-bottom: 34px;

    padding-top: 32px;
  }

  .style-guide-block-heading h2 {
    font-size: clamp(38px, 4vw, 52px);
  }

  .style-guide-block-text {
    margin: 0 0 6px;

    text-align: right;
  }


  /* 不對稱網格：4 欄 */

  .style-guide-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .style-guide-cell.is-tall {
    grid-column: span 2;
    grid-row: span 2;

    aspect-ratio: auto;
  }

  .style-guide-cell.is-wide {
    grid-column: span 2;

    aspect-ratio: 3 / 2;
  }


  /* Invite */

  .style-guide-invite {
    padding-top: 92px;
    padding-bottom: 104px;
  }

}


/* =========================================================
   Desktop　≥ 1000px
========================================================= */

@media (min-width: 1000px) {

  .style-guide {
    --sg-gap: 18px;
  }


  /* Hero */

  .style-guide-hero {
    height: 62svh;
    min-height: 540px;
    max-height: 760px;
  }

  .style-guide-heading {
    font-size: clamp(64px, 5vw, 82px);
  }


  /* Block */

  .style-guide-block {
    padding-top: 92px;
    padding-bottom: 116px;
  }

  .style-guide-block-heading {
    margin-bottom: 44px;
  }

  .style-guide-block-heading h2 {
    font-size: clamp(44px, 3.6vw, 60px);
  }

  .style-guide-block-text {
    font-size: 13px;
  }


  /* Invite */

  .style-guide-invite {
    padding-top: 120px;
    padding-bottom: 140px;
  }

  .style-guide-invite-title {
    font-size: clamp(40px, 3.2vw, 50px);
  }

}


/* =========================================================
   Reduced Motion
========================================================= */

@media (prefers-reduced-motion: reduce) {

  .style-guide-cell img,
  .style-guide-index-list a,
  .style-guide-breadcrumb a,
  .style-guide-invite-link {
    transition-duration: 0.01ms;
  }

}