/* styles.css */
/* d20251204 v1.8 */

/* === 基本變數 === */
:root {
  --bg-main: #050716;
  --bg-card: rgba(15, 18, 40, 0.96);
  --accent: #ff8b5c;
  --accent-soft: rgba(255, 139, 92, 0.18);
  --accent-alt: #61dafb;
  --text-main: #f5f5fb;
  --text-sub: #b3b5d1;
  --border-soft: rgba(255, 255, 255, 0.06);
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.6);
  --radius-lg: 1.5rem;
  --radius-pill: 999px;
  --transition-fast: 160ms ease-out;
  --transition-normal: 220ms ease-out;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans TC", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  position: relative;
  overflow-x: hidden;
}

/* 背景漸層與星點感 */
.space-gradient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.12) 0, transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(255, 139, 92, 0.2) 0, transparent 50%),
    radial-gradient(circle at 10% 100%, rgba(97, 218, 251, 0.18) 0, transparent 55%),
    radial-gradient(circle at 80% 85%, rgba(151, 71, 255, 0.2) 0, transparent 50%),
    linear-gradient(160deg, #050716, #050716 30%, #050716 60%, #050716);
  z-index: -1;
}

/* 頁首 */
.site-header {
  max-width: 1080px;
  margin: 2.5rem auto 1.5rem;
  padding: 1.75rem 1.5rem 1.5rem;
  border-radius: 24px;
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.01)
    ),
    rgba(3, 6, 24, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(26px);
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-img {
  width: 52px;
  height: 52px;
  border-radius: 20px;
  object-fit: cover;
  background: radial-gradient(circle at 30% 0%, #ffffff, #ff8b5c);
  box-shadow: 0 0 0 3px rgba(255, 139, 92, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.brand-name-en {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--accent-alt);
}

.brand-name-zh {
  font-size: 1.25rem;
  font-weight: 600;
}

.tagline {
  margin: 0.9rem 0 0;
  color: var(--text-sub);
  font-size: 0.95rem;
}

/* 主內容 */
.page-main {
  margin: 0 0 5rem;
  padding: 0;
}

/* 容器：用於限制內容寬度 */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.projects-section {
  margin-top: 2.25rem;
}

.projects-section:first-of-type {
  margin-top: 1.75rem;
}

.projects-section h2 {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245, 245, 251, 0.94);
}

.section-subtitle {
  margin: 0.45rem 0 1.4rem;
  font-size: 0.9rem;
  color: var(--text-sub);
}

/* 卡片網格 */
.project-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

@media (min-width: 720px) {
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.project-grid--wide {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 880px) {
  .project-grid--wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 卡片樣式 */
.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  text-decoration: none;
  color: inherit;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    background var(--transition-normal);
  overflow: hidden;
}

/* 多連結卡片 */
.project-card--multilink {
  position: relative;
}

.card-main-link {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.meta-pill--link {
  position: relative;
  z-index: 1;
  text-decoration: none;
  transition: 
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.meta-pill--link:hover {
  background: rgba(255, 139, 92, 0.25);
  border-color: rgba(255, 139, 92, 0.6);
  color: var(--accent);
}

/* 滑鼠跟著走的光暈 */
.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at var(--mouse-x, 0%) var(--mouse-y, 0%),
    rgba(255, 139, 92, 0.4),
    transparent 60%
  );
  opacity: 0;
  transform: scale(1.2);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
}

.project-card:hover::before {
  opacity: 1;
  transform: scale(1);
}

.project-card:hover {
  transform: translateY(-4px) translateZ(0);
  box-shadow: 0 18px 36px rgba(2, 6, 23, 0.9);
  border-color: rgba(255, 139, 92, 0.6);
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.02),
      rgba(255, 255, 255, 0.01)
    ),
    rgba(10, 14, 40, 0.98);
}

.project-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  border-radius: 999px;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
}

.project-card h3 {
  margin: 0.2rem 0 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.project-card p {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--text-sub);
}

.project-card--feature {
  position: relative;
  padding: 1.2rem 1.15rem 1.15rem;
}

.project-meta {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.meta-pill {
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid rgba(180, 190, 255, 0.3);
  color: rgba(224, 228, 255, 0.9);
}

/* 小火箭按鈕（回頂） */
.rocket-button {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle at 30% 0, #ffffff, #ff8b5c);
  color: #1b1022;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.8);
  cursor: pointer;
  padding: 0;
  outline: none;
  z-index: 30;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    filter var(--transition-fast);
}

.rocket-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.9);
  filter: brightness(1.04);
}

.rocket-button:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.7);
}

.rocket-icon {
  transform-origin: center;
}

.rocket-button.launch .rocket-icon {
  animation: rocket-launch 0.7s ease-out;
}

@keyframes rocket-launch {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  30% {
    transform: translateY(-8px) rotate(-8deg);
  }
  55% {
    transform: translateY(-18px) rotate(4deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

/* 導航列 */
.site-navbar {
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.05),
      rgba(255, 255, 255, 0.02)
    ),
    rgba(5, 10, 30, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1rem 0;
  backdrop-filter: blur(16px);
}

.navbar-content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.navbar-links a,
.navbar-links button {
  color: var(--text-sub);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-links a:hover,
.navbar-links button:hover {
  color: var(--text-main);
}

.navbar-links a.active,
.navbar-links button.active {
  color: var(--accent);
}

.navbar-links a.active::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* 頁尾 */
.site-footer {
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.03),
      rgba(255, 255, 255, 0.01)
    ),
    rgba(3, 6, 20, 0.98);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer-content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
  color: var(--text-sub);
  font-size: 0.85rem;
}

/* 施工中橫幅 */
.construction-banner {
  background-color: #FFFF00;
  color: #000000;
  text-align: center;
  padding: 40px 20px;
  margin: 20px 0;
  font-size: 2.5em;
  font-weight: bold;
}

/* Contact button in navbar */
.nav-contact-btn {
  background: none;
  border: none;
  color: var(--text-sub);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  transition: color var(--transition-fast);
}

.nav-contact-btn:hover {
  color: var(--accent);
}

/* Contact Modal */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.contact-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.08),
      rgba(255, 255, 255, 0.02)
    ),
    rgba(15, 18, 40, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 480px;
  width: 90%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.9);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.contact-modal.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-sub);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--accent);
}

.modal-content h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: var(--text-main);
}

.modal-description {
  margin: 0 0 1.5rem;
  color: var(--text-sub);
  font-size: 0.95rem;
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.modal-btn {
  padding: 0.75rem 2rem;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid;
}

.modal-btn-no {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-sub);
}

.modal-btn-no:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.modal-btn-yes {
  background: linear-gradient(135deg, var(--accent), #ff6b3d);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(255, 139, 92, 0.3);
}

.modal-btn-yes:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 139, 92, 0.4);
}

/* PoW Loading */
.pow-container {
  text-align: center;
  padding: 1.5rem 0;
}

.pow-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.pow-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 139, 92, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.pow-loading p {
  margin: 0;
  color: var(--text-sub);
  font-size: 0.9rem;
}

.pow-progress {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem !important;
  color: var(--accent) !important;
}

/* Email Reveal */
.email-reveal {
  text-align: center;
  padding: 1rem 0 0;
}

.email-label {
  margin: 0 0 0.75rem;
  color: var(--text-sub);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.email-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 139, 92, 0.1);
  border: 1px solid rgba(255, 139, 92, 0.3);
  border-radius: var(--radius-lg);
  margin-bottom: 0.75rem;
}

.email-box code {
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.copy-btn {
  background: rgba(255, 139, 92, 0.15);
  border: 1px solid rgba(255, 139, 92, 0.3);
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(255, 139, 92, 0.25);
  transform: scale(1.1);
}

.mailto-btn {
  background: rgba(97, 218, 251, 0.15);
  border: 1px solid rgba(97, 218, 251, 0.3);
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.mailto-btn:hover {
  background: rgba(97, 218, 251, 0.25);
  transform: scale(1.1);
}

.email-note {
  margin: 0;
  color: var(--text-sub);
  font-size: 0.85rem;
}

/* 手機上稍微縮小一點 UI */
@media (max-width: 480px) {
  .site-header {
    margin: 1.5rem auto 1.1rem;
    padding-inline: 1.2rem;
  }

  .logo-img {
    width: 44px;
    height: 44px;
  }

  .container {
    padding-inline: 1.2rem;
  }

  .rocket-button {
    width: 50px;
    height: 50px;
    bottom: 1.1rem;
    right: 1.1rem;
  }
}

/* ===== 搖搖木棍貼圖玩偶：通用 widget ===== */
.stick-widget {
  position: fixed;
  width: 160px;
  height: 220px;

  /* 木棍底端接在頁面底下 1vh 的地方 */
  bottom: -1vh;

  pointer-events: auto;
  cursor: grab;
  z-index: 20;

  user-select: none;
  -webkit-user-drag: none;
  -webkit-tap-highlight-color: transparent;
}

.stick-widget * {
  user-select: none;
  -webkit-user-drag: none;
  -webkit-tap-highlight-color: transparent;
}

.stick-widget.is-dragging {
  cursor: grabbing;
}

/* 木棍：畫在下面那一層 */
.stick-rod {
  position: absolute;
  left: 50%;
  bottom: 0;

  margin-left: -4px;
  width: 8px;
  height: 72px; /* JS 會用來算 scaleY */

  border-radius: 999px;
  background: linear-gradient(
    180deg,
    #f9e2c6,
    #e1b88d,
    #c48b55,
    #b37b47
  );
  box-shadow: inset 0 0 0 1px rgba(120, 68, 24, 0.3);

  transform-origin: bottom center;
  z-index: 0;
}

/* 圖片容器鋪滿 hitbox，實際位置由 img 控制 */
.stick-image {
  position: absolute;
  inset: 0;
  overflow: visible;
  z-index: 1;
}

/* 立繪圖片：用 top/left 讓「中心」黏在木棍頂端 */
.stick-image img {
  position: absolute;
  max-width: 96px;
  height: auto;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.7));
  pointer-events: none;
}

/* 手機上縮小一點 hitbox / 圖片 */
@media (max-width: 480px) {
  .stick-widget {
    width: 130px;
    height: 190px;
  }

  .stick-rod {
    height: 60px;
  }

  .stick-image img {
    max-width: 84px;
  }
}