/* ===== Google Fonts ===== */
/* 
   英文字體: Quintessential
   中文字體: LXGW WenKai Mono TC 
*/

:root {
    --font-english: 'Quintessential', cursive;
    --font-chinese: 'LXGW WenKai Mono TC', sans-serif;
}

/* 全站使用中文字體 */
body {
    font-family: var(--font-chinese);
}

/* 標題和導航用英文字體 */
h1, h2, h3, h4, h5, h6, .logo, .nav-link {
    font-family: var(--font-english);
}


:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a25;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-purple: #8b5cf6;
  --accent-pink: #d946ef;
  --accent-blue: #6366f1;
  --gradient-main: linear-gradient(135deg, var(--accent-purple), var(--accent-pink), var(--accent-blue));
  --pattern-mystic: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%238b5cf6' fill-opacity='0.03'%3E%3Cpath opacity='.5' d='M96 95h4v1h-4v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-1 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  --container-width: 1200px;
  --nav-height: 80px;
  --section-padding: 100px 24px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.6s ease;
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.3);
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Serif SC', serif;
  background-color: var(--bg-primary);
  background-image: var(--pattern-mystic);
  color: var(--text-primary);
  line-height: 1.8;
  min-height: 100vh;
}

.page-transition {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}

.page-transition.active {
  opacity: 1;
  transform: translateY(0);
}

h1, h2, h3 {
  font-family: 'Quintessential', cursive;
  font-weight: 400;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }

p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.2s;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
  display: flex;
  align-items: center;
}
.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  flex-wrap: nowrap;
}
.nav-logo {
  font-family: 'Ma Shan Zheng', cursive;
  font-size: 1.8rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  flex-shrink: 0;
}
.nav-logo::after {
  content: '✨';
  position: absolute;
  right: -25px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  animation: sparkle 2s ease-in-out infinite;
}
@keyframes sparkle {
  0%, 100% { opacity: 1; transform: translateY(-50%) scale(1); }
  50% { opacity: 0.5; transform: translateY(-50%) scale(0.8); }
}

.nav-menu {
  display: flex;
  flex-direction: row; /* 👈 強制橫向 */
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav-menu li {
  display: block;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 8px 0;
  white-space: nowrap;
  display: inline-block;
}
.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: 0.4s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::before,
.nav-link.active::before {
  width: 100%;
}
/* 隱藏行動裝置按鈕（暫時） */
.nav-toggle {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border: none;
  border-radius: 12px;
  font-family: 'Noto Serif SC', serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: 0.4s;
}

.btn-primary {
  background: var(--gradient-main);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(139, 92, 246, 0.5);
}

.btn-secondary:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: var(--accent-purple);
  transform: translateY(-3px);
}

/* Sections */
.section {
  padding: var(--section-padding);
  max-width: var(--container-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Card */
.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: 0.4s;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: 0.4s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(139, 92, 246, 0.3);
}

.card:hover::before {
  transform: scaleX(1);
}

/* Social Links */
.social-links {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: 0.4s;
}

.social-link:hover {
  background: var(--gradient-main);
  color: var(--text-primary);
  border-color: transparent;
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

/* Fade In */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s, transform 0.6s;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.footer {
  padding: 60px 24px;
  text-align: center;
  border-top: 1px solid rgba(139, 92, 246, 0.1);
  margin-top: 100px;
}

.footer-logo {
  font-family: 'Ma Shan Zheng', cursive;
  font-size: 2rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* LikeCoin Button */
.likecoin-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #20E3B2, #29C7AC);
  color: #1a1a1a;
  border-radius: 30px;
  font-weight: 600;
  transition: 0.4s;
  border: none;
  cursor: pointer;
}

.likecoin-button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(32, 227, 178, 0.4);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-purple);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-pink);
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    gap: 24px;
  }

  .nav-links a {
    font-size: 0.9rem;
  }

  :root {
    --nav-height: 70px;
    --section-padding: 60px 16px;
  }

  .btn {
    padding: 14px 28px;
  }
}