/* ==========================================================
 * 鹿雨森｜官網 UI／排版
 *
 * 網站導覽、主視覺、內容、按鈕、頁尾與響應式統一在這裡。
 * ========================================================== */

/* ---------- 全站基礎 ---------- */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 300px;
  margin: 0;
  overflow-x: hidden;
  background: var(--night);
  color: var(--mist);
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid #b8f0d9;
  outline-offset: 5px;
}

::selection {
  background: rgba(135, 207, 185, 0.35);
  color: white;
}

main,
.site-footer {
  position: relative;
  z-index: 10;
}

/* ---------- 頂端導覽 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(190, 225, 215, 0.14);
  background: rgba(6, 19, 20, 0.76);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  width: min(1160px, calc(100% - 48px));
  min-height: 78px;
  margin: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.brand-mark {
  flex: none;
  width: 36px;
  height: 40px;
  color: #b5e8d5;
  filter: drop-shadow(0 0 7px rgba(135, 207, 185, 0.3));
}

.brand-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-zh {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.22em;
  white-space: nowrap;
}

.brand-en {
  color: #a8cbbf;
  font: italic 16px "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.11em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-text {
  color: #b8d0c8;
  font-size: 13px;
  letter-spacing: 0.16em;
  transition: color 0.2s;
}

.nav-text:hover {
  color: white;
}

.nav-cta,
.button {
  border: 1px solid rgba(148, 221, 195, 0.57);
  border-radius: 2px;
  background: rgba(13, 40, 38, 0.6);
  transition:
    background 0.3s,
    border-color 0.3s,
    box-shadow 0.3s,
    transform 0.3s;
}

.nav-cta {
  padding: 11px 19px;
  font-size: 13px;
  letter-spacing: 0.14em;
}

.nav-cta:hover,
.button:hover {
  border-color: #aff2d6;
  background: rgba(54, 116, 102, 0.3);
  box-shadow: 0 0 24px rgba(135, 207, 185, 0.16);
}

/* ---------- 首頁主視覺 ---------- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: min(1120px, calc(100% - 40px));
  min-height: min(790px, calc(100svh - 78px));
  margin: 0 auto;
  padding: 78px 20px 82px;
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: #a4d0c2;
  font: 400 12px "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.43em;
  text-transform: uppercase;
}

.hero-antler {
  width: min(235px, 52vw);
  height: auto;
  margin: 8px auto -4px;
  overflow: visible;
  filter:
    drop-shadow(0 0 10px rgba(146, 228, 203, 0.5))
    drop-shadow(0 0 29px rgba(126, 201, 181, 0.3));
}

.hero-antler path {
  fill: none;
  stroke: #c1ecdd;
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-dasharray: 350;
  stroke-dashoffset: 350;
  animation: antler-appear 3s ease forwards;
}

@keyframes antler-appear {
  to {
    stroke-dashoffset: 0;
  }
}

.hero h1 {
  margin: 2px 0 4px;
  color: #eef9f3;
  font-size: clamp(66px, 14vw, 145px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.15em;
  text-indent: 0.15em;
  text-shadow:
    0 0 27px rgba(135, 207, 185, 0.27),
    0 10px 36px rgba(0, 0, 0, 0.65);
}

.subtitle {
  margin: 0;
  color: #d3e8df;
  font: italic clamp(17px, 3vw, 25px) "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.11em;
}

.hero-rule,
.fine-rule {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(146, 225, 197, 0.7),
    transparent
  );
}

.hero-rule {
  width: min(265px, 60vw);
  margin: 26px auto 23px;
}

.hero-quote {
  margin: 0;
  color: #c4ddd4;
  font-size: clamp(14px, 2.3vw, 17px);
  font-weight: 300;
  line-height: 2.1;
  letter-spacing: 0.23em;
}

.hero-note {
  margin: 14px 0 0;
  color: #93b6ab;
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.13em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 188px;
  min-height: 50px;
  padding: 13px 22px;
  font: 500 15px "Noto Serif TC", serif;
  letter-spacing: 0.23em;
}

.button--secondary {
  border-color: rgba(192, 226, 214, 0.3);
  background: rgba(6, 22, 22, 0.36);
  color: #d0e0da;
}

.button:active {
  transform: scale(0.98);
}

.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 64px;
  color: rgba(204, 234, 223, 0.58);
  font: italic 16px "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.19em;
}

.scroll-cue::after {
  display: block;
  width: 1px;
  height: 44px;
  background: linear-gradient(#9adcc6, transparent);
  content: "";
}

/* ---------- 官網內容共通 ---------- */

.content {
  width: min(1040px, calc(100% - 48px));
  margin: auto;
  padding: 18px 0 110px;
}

.section {
  padding: 98px 0;
  border-top: 1px solid var(--line);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 17px;
  margin: 0;
  color: #9dd3bf;
  font: italic 16px "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.17em;
}

.section-label::after {
  width: 70px;
  height: 1px;
  background: var(--line);
  content: "";
}

.section h2 {
  margin: 25px 0 28px;
  color: #e9f8f0;
  font-size: clamp(30px, 5vw, 49px);
  font-weight: 500;
  letter-spacing: 0.19em;
}

.section p:not(.section-label, .game-notice) {
  color: #c5d9d1;
  font-size: 15px;
  font-weight: 300;
  line-height: 2.25;
  letter-spacing: 0.07em;
}

/* ---------- 關於鹿雨森 ---------- */

.intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 0.72fr);
  align-items: center;
  gap: 70px;
}

.intro-copy {
  max-width: 600px;
}

.intro-aside {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 265px;
  overflow: hidden;
  border: 1px solid rgba(177, 220, 207, 0.18);
  background: linear-gradient(
    140deg,
    rgba(37, 83, 77, 0.14),
    rgba(7, 23, 24, 0.5)
  );
}

.intro-aside::before {
  position: absolute;
  inset: 17px;
  border: 1px solid rgba(176, 225, 208, 0.11);
  content: "";
}

.intro-aside::after {
  position: absolute;
  width: 175px;
  height: 175px;
  border: 1px solid rgba(178, 231, 211, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 75px rgba(159, 226, 203, 0.06);
  content: "";
}

.aside-words {
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.aside-words strong {
  color: #bdded1;
  font: italic 39px "Cormorant Garamond", Georgia, serif;
}

.aside-words small {
  color: #a7c8be;
  font-size: 12px;
  letter-spacing: 0.34em;
}

/* ---------- 遊戲入口 ---------- */

.game-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 365px;
  padding: 54px 58px;
  overflow: hidden;
  border: 1px solid rgba(169, 224, 201, 0.3);
  background:
    radial-gradient(
      ellipse at 72% 35%,
      rgba(99, 162, 141, 0.18),
      transparent 42%
    ),
    linear-gradient(
      125deg,
      rgba(7, 25, 27, 0.88),
      rgba(20, 57, 54, 0.78)
    );
}

.game-panel::before,
.game-panel::after {
  position: absolute;
  top: 10px;
  right: -15px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(180, 232, 211, 0.13);
  border-radius: 50%;
  pointer-events: none;
  content: "";
}

.game-panel::after {
  top: 49px;
  right: 25px;
  width: 185px;
  height: 185px;
  border-color: rgba(180, 232, 211, 0.2);
}

.panel-spark {
  position: absolute;
  top: 140px;
  right: 116px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #dcf6e8;
  box-shadow: 0 0 17px 7px rgba(150, 217, 189, 0.25);
}

.game-panel > :not(.panel-spark) {
  z-index: 1;
}

.game-panel h2 {
  margin: 14px 0;
  font-size: clamp(28px, 5vw, 48px);
}

.game-panel p:not(.section-label) {
  max-width: 540px;
  margin: 0 0 26px;
}

.game-notice {
  margin-top: 15px;
  color: #9cbdb1;
  font-size: 12px;
  line-height: 1.9;
}

/* ---------- 森林近況 ---------- */

.status-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: 55px;
}

.status-detail {
  margin-top: 42px;
  padding: 25px 30px;
  border-left: 1px solid rgba(147, 222, 196, 0.65);
  background: linear-gradient(
    90deg,
    rgba(124, 199, 174, 0.08),
    transparent
  );
}

.status-detail h3 {
  display: block;
  margin: 0 0 8px;
  color: #d5ede3;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.status-detail p {
  margin: 0;
  font-size: 13px !important;
}

.fine-rule {
  max-width: 320px;
  margin: 24px 0;
}

/* ---------- 頁尾 ---------- */

.site-footer {
  border-top: 1px solid rgba(185, 219, 207, 0.18);
  background: rgba(4, 15, 16, 0.78);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1040px, calc(100% - 48px));
  min-height: 115px;
  margin: auto;
  padding: 28px 0;
}

.footer-name {
  margin: 0;
  font: italic 23px "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.08em;
}

.footer-small {
  margin: 0;
  color: #8eada3;
  font-size: 11px;
  line-height: 2;
  letter-spacing: 0.1em;
}

.footer-link {
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(183, 214, 202, 0.3);
  color: #b7d6ca;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.footer-link:hover {
  color: white;
}

/* ---------- 捲動入場（JS 啟用才套用） ---------- */

.has-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.has-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 手機與窄螢幕 ---------- */

@media (max-width: 700px) {
  html {
    scroll-padding-top: 76px;
  }

  .nav-shell {
    width: calc(100% - 32px);
    min-height: 67px;
    gap: 8px;
  }

  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 27px;
    height: 33px;
  }

  .brand-zh {
    font-size: 16px;
    letter-spacing: 0.16em;
  }

  .brand-en {
    font-size: 14px;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-text {
    display: none;
  }

  .nav-cta {
    padding: 10px 12px;
    font-size: 12px;
  }

  .hero {
    min-height: calc(100svh - 67px);
    padding: 72px 6px 58px;
  }

  .hero h1 {
    font-size: clamp(62px, 18vw, 96px);
  }

  .hero-antler {
    width: min(205px, 57vw);
  }

  .hero-quote {
    letter-spacing: 0.1em;
  }

  .hero-actions {
    gap: 12px;
  }

  .button {
    min-width: 145px;
    padding: 12px 16px;
    font-size: 13px;
    letter-spacing: 0.12em;
  }

  .scroll-cue {
    margin-top: 48px;
  }

  .content {
    width: calc(100% - 38px);
    padding-bottom: 65px;
  }

  .section {
    padding: 70px 0;
  }

  .section h2 {
    letter-spacing: 0.13em;
  }

  .intro-layout,
  .status-layout {
    grid-template-columns: 1fr;
    gap: 27px;
  }

  .intro-aside {
    min-height: 180px;
  }

  .game-panel {
    min-height: 340px;
    padding: 38px 27px;
  }

  .game-panel::before {
    right: -146px;
  }

  .game-panel::after {
    right: -99px;
  }

  .panel-spark {
    right: 12px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
}

/* ---------- 尊重使用者的減少動態偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-antler path {
    animation: none;
    stroke-dashoffset: 0;
  }

  .has-reveal [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .nav-cta,
  .button {
    transition: none;
  }
}