/* 下載區、功能段共用的鏤空大字與兩欄版面、頁尾。 */

/* ── 下載（緊接 All in Tephra） ─────────────────────────────────── */
.download {
  display: grid;
  justify-items: center;
  gap: 22px;
  padding: clamp(72px, 10vw, 140px) var(--gutter) clamp(96px, 12vw, 170px);
  text-align: center;
  scroll-margin-top: var(--nav-h);
}

.download__keys {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
}

.download__title {
  max-width: 18em;
  margin: 0;
  font-size: clamp(28px, 3.6vw, 52px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  text-wrap: balance;
}

.download__note {
  margin: 0;
  color: var(--ink-2);
  font-size: 15px;
}

/* ── 資訊段共用 ────────────────────────────────────────────────── */
.info {
  position: relative;
  padding: clamp(80px, 11vw, 168px) var(--gutter);
  scroll-margin-top: var(--nav-h);
}

.info + .info {
  border-top: 1px solid var(--stage-line);
}

/* 鏤空大字：原片標題的三行錯位（左、右、正中放大） */
.big-title {
  display: grid;
  max-width: 1500px;
  margin: 0 auto clamp(36px, 5vw, 72px);
  font-family: var(--font-outline);
  font-weight: 800;
  font-kerning: none;
  letter-spacing: 0;
  line-height: 0.82;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: max(1.4px, 0.017em) var(--ink);
  paint-order: stroke fill;
  user-select: none;
}

.bt-line {
  display: block;
  white-space: nowrap;
  font-size: min(150px, 12.5vw);
}

.bt-line:nth-child(1) {
  justify-self: start;
  margin-left: 8%;
}

.bt-line:nth-child(2) {
  justify-self: end;
  margin-right: 14%;
  margin-top: 0.06em;
}

.bt-line:nth-child(3) {
  justify-self: center;
  margin-top: 0.08em;
  font-size: min(230px, 17vw);
}

.big-title--right .bt-line:nth-child(1) {
  justify-self: end;
  margin-right: 8%;
  margin-left: 0;
}

.big-title--right .bt-line:nth-child(2) {
  justify-self: start;
  margin-left: 14%;
  margin-right: 0;
}

.bt-line .ink {
  display: block;
}

.info__title {
  margin: 0;
  font-size: clamp(24px, 2.6vw, 38px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.35;
  text-wrap: balance;
}

.info__title--center {
  max-width: 22em;
  margin: 0 auto clamp(28px, 4vw, 52px);
  text-align: center;
}

.info__lead {
  margin: 16px 0 0;
  color: var(--ink-2);
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.75;
}

/* ── 文字＋畫面的兩欄（功能段共用） ─────────────────────────────── */
.info__grid {
  display: grid;
  gap: clamp(36px, 5vw, 80px);
  max-width: 1180px;
  margin: 0 auto;
  align-items: center;
}

@media (min-width: 900px) {
  .info__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── 頁尾 ──────────────────────────────────────────────────────── */
.footer {
  display: grid;
  gap: 18px;
  padding: 44px var(--gutter) 56px;
  border-top: 1px solid var(--stage-line);
  color: var(--ink-2);
  font-size: 14px;
}

@media (min-width: 900px) {
  .footer {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 32px;
  }
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.footer__links a {
  color: var(--ink);
  text-decoration: none;
}

.footer__links a:hover {
  color: var(--link-light);
  text-decoration: underline;
}

.footer__copy {
  margin: 0;
}

@media (max-width: 600px) {
  :root {
    --nav-h: 60px;
  }

  .nav .button {
    height: 34px;
    padding: 0 12px;
    font-size: 13.5px;
  }

}