/* ============================================================
   Starburst 星爆 — 宇宙霓虹 / 玻璃擬態極簡風格
   深空底色、寶石漸變霓虹、glassmorphism、Orbitron 字體
   ============================================================ */

:root {
  --space:    #07021a;
  --space-2:  #0e0530;
  --violet:   #7b2ff7;
  --magenta:  #ff3db5;
  --cyan:     #25e7ff;
  --lime:     #5cff9d;
  --amber:    #ffc414;
  --red:      #ff4d5e;
  --text:     #eef0ff;
  --text-dim: #a9add6;
  --glass:    rgba(255,255,255,.06);
  --glass-bd: rgba(255,255,255,.14);

  --gem: linear-gradient(90deg, #ff3db5, #7b2ff7, #25e7ff, #5cff9d, #ffc414);

  --display: 'Orbitron', 'Noto Sans HK', sans-serif;
  --body:    'Noto Sans HK', sans-serif;

  --wrap: 1080px;

  /* Fixed header clearance. Keeps first-page headings below the floating header. */
  --sbst-content-top: 180px;
  --sbst-hero-top: 170px;
}


* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--body);
  color: var(--text);
  background: var(--space);
  line-height: 1.8;
  overflow-x: hidden;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* ===== 星空背景 ===== */
.stars, .stars2 {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, #fff, transparent),
    radial-gradient(1px 1px at 70% 60%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, #cfe, transparent),
    radial-gradient(1px 1px at 90% 20%, #fff, transparent),
    radial-gradient(1px 1px at 55% 15%, #fce, transparent),
    radial-gradient(1.5px 1.5px at 12% 65%, #fff, transparent),
    radial-gradient(1px 1px at 82% 85%, #cef, transparent);
  background-size: 100% 100%;
  opacity: .8;
  animation: twinkle 5s ease-in-out infinite alternate;
}
.stars2 { background-size: 80% 80%; opacity: .5; animation-duration: 7s; animation-delay: -2s; }
@keyframes twinkle { from { opacity: .35; } to { opacity: .9; } }

.aurora {
  position: fixed; top: -20%; left: 0; right: 0; height: 70vh; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 25% 0%, rgba(123,47,247,.35), transparent 55%),
    radial-gradient(ellipse at 75% 10%, rgba(37,231,255,.22), transparent 55%),
    radial-gradient(ellipse at 50% 0%, rgba(255,61,181,.2), transparent 60%);
  filter: blur(20px);
}

.sect { position: relative; z-index: 1; max-width: var(--wrap); margin: 0 auto; padding: 90px 24px; }

/* ===== 按鈕 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--display); font-weight: 700; font-size: 14px; letter-spacing: 1px;
  text-decoration: none; cursor: pointer; border: none;
  padding: 13px 26px; border-radius: 999px;
  transition: transform .15s ease, box-shadow .25s ease, filter .2s ease;
}
.btn-neon {
  color: #fff;
  background: linear-gradient(90deg, var(--magenta), var(--violet));
  box-shadow: 0 0 20px rgba(255,61,181,.45), 0 0 40px rgba(123,47,247,.3);
}
.btn-neon:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 0 28px rgba(255,61,181,.6), 0 0 56px rgba(123,47,247,.45); }
.btn-ghost {
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-bd);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-lg { padding: 16px 38px; font-size: 16px; }

/* ===== 浮動導航 ===== */
.nav-wrap { position: fixed; top: 16px; left: 0; right: 0; z-index: 60; padding: 0 16px; }
.nav-glass {
  max-width: var(--wrap); margin: 0 auto;
  display: flex; align-items: center; gap: 22px;
  background: rgba(14,5,48,.6);
  border: 1px solid var(--glass-bd);
  border-radius: 999px;
  padding: 6px 14px 6px 20px;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}
.brand img { height: 104px; width: auto; display: block; }
.links { display: flex; gap: 24px; margin-left: auto; }
.links a { font-family: var(--display); font-weight: 500; font-size: 13px; letter-spacing: 1px; color: var(--text-dim); text-decoration: none; transition: color .2s; }
.links a:hover { color: var(--cyan); }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero { position: relative; z-index: 1; text-align: center; padding: var(--sbst-hero-top) 24px 70px; }
.hero-glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px; max-width: 90vw;
  background: radial-gradient(circle, rgba(123,47,247,.4), transparent 60%);
  filter: blur(40px); pointer-events: none;
}
.hero-in { position: relative; max-width: 760px; margin: 0 auto; }
.eyebrow {
  display: inline-block; font-family: var(--display); font-size: 12px; letter-spacing: 4px;
  color: var(--cyan); padding: 7px 18px;
  border: 1px solid rgba(37,231,255,.35); border-radius: 999px;
  background: rgba(37,231,255,.06); margin-bottom: 26px;
}
.hero-title {
  font-family: var(--display); font-weight: 900;
  font-size: clamp(34px, 11vw, 96px);
  letter-spacing: 1px; line-height: .98;
  padding-right: .12em;
  background: var(--gem); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(123,47,247,.5));
}
.hero-cn { display: block; font-size: .36em; letter-spacing: 10px; padding-left: 10px; margin-top: 14px; -webkit-text-fill-color: var(--text); white-space: normal; }
.hero-lead { font-size: 18px; color: var(--text-dim); max-width: 580px; margin: 24px auto 34px; font-weight: 300; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.chip {
  font-size: 13px; color: var(--text-dim);
  background: var(--glass); border: 1px solid var(--glass-bd); border-radius: 999px;
  padding: 8px 18px; backdrop-filter: blur(8px);
}
.chip b { font-family: var(--display); color: var(--text); font-size: 15px; }

/* ===== 區塊標題 ===== */
.sect-head { text-align: center; margin-bottom: 44px; }
.sect-head h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(28px, 4.5vw, 44px); letter-spacing: 2px;
  background: var(--gem); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sect-head p { color: var(--text-dim); margin-top: 10px; font-weight: 300; }

/* ===== 試玩控制台 ===== */
.console {
  max-width: 760px; margin: 0 auto;
  background: rgba(14,5,48,.55);
  border: 1px solid var(--glass-bd);
  border-radius: 22px;
  padding: 18px;
  backdrop-filter: blur(16px);
  box-shadow: 0 0 60px rgba(123,47,247,.2), inset 0 0 0 1px rgba(255,255,255,.03);
}
.console-dots { display: flex; gap: 7px; padding: 4px 6px 12px; }
.console-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--text-dim); opacity: .5; }
.console-dots i:nth-child(1) { background: var(--magenta); opacity: .9; }
.console-dots i:nth-child(2) { background: var(--amber); opacity: .9; }
.console-dots i:nth-child(3) { background: var(--lime); opacity: .9; }
.demo-frame { position: relative; }
.demo-stage {
  position: relative; width: 100%; aspect-ratio: 16 / 10;
  overflow: hidden; border-radius: 14px;
  background: #05010f; border: 1px solid rgba(255,255,255,.08);
}
.demo-iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.demo-close {
  position: absolute; top: 10px; right: 10px; z-index: 5;
  width: 44px; height: 44px; border: 1px solid var(--glass-bd);
  background: rgba(255,77,94,.85); color: #fff; font-size: 19px;
  cursor: pointer; display: none; align-items: center; justify-content: center; border-radius: 50%;
}
.demo-cover {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  background: radial-gradient(ellipse at 50% 35%, #1a0a40, #05010f);
  transition: opacity .35s ease;
}
.demo-cover.hidden { opacity: 0; pointer-events: none; }
.demo-cover-logo { width: min(260px, 56%); height: auto; filter: drop-shadow(0 0 24px rgba(123,47,247,.6)); }
.demo-note { color: var(--text-dim); font-size: 13px; }
.console-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 8px 6px; color: var(--text-dim); font-size: 14px; }

/* ===== 特色卡 ===== */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  position: relative; overflow: hidden;
  background: var(--glass); border: 1px solid var(--glass-bd);
  border-radius: 18px; padding: 30px 26px; backdrop-filter: blur(8px);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,.3); }
.card-gem { display: block; width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px; transform: rotate(45deg); }
.card-1 .card-gem { background: linear-gradient(135deg, var(--magenta), var(--violet)); box-shadow: 0 0 24px rgba(255,61,181,.5); }
.card-2 .card-gem { background: linear-gradient(135deg, var(--cyan), var(--violet)); box-shadow: 0 0 24px rgba(37,231,255,.5); }
.card-3 .card-gem { background: linear-gradient(135deg, var(--lime), var(--cyan)); box-shadow: 0 0 24px rgba(92,255,157,.5); }
.card-4 .card-gem { background: linear-gradient(135deg, var(--amber), var(--magenta)); box-shadow: 0 0 24px rgba(255,196,20,.5); }
.card h3 { font-family: var(--display); font-weight: 700; font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 14.5px; font-weight: 300; }

/* ===== 規格 ===== */
.spec-wrap {
  max-width: 720px; margin: 0 auto;
  background: var(--glass); border: 1px solid var(--glass-bd);
  border-radius: 18px; padding: 8px 26px; backdrop-filter: blur(8px);
}
.spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.spec-row:last-child { border-bottom: none; }
.spec-row span { color: var(--text-dim); font-weight: 300; }
.spec-row b { font-family: var(--display); font-weight: 500; font-size: 14px; text-align: right; }

/* ===== 介紹 ===== */
.about-text { max-width: 800px; margin: 0 auto; }
.about-text h2 { font-family: var(--display); font-weight: 700; font-size: clamp(26px, 4.5vw, 40px); letter-spacing: 1px; margin-bottom: 22px; background: var(--gem); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.about-text h3 { font-family: var(--display); font-weight: 500; font-size: clamp(19px, 3vw, 24px); color: var(--cyan); margin: 34px 0 10px; }
.about-text p { font-size: 16px; color: var(--text-dim); font-weight: 300; margin-bottom: 8px; }

/* ===== Finale ===== */
.finale { position: relative; z-index: 1; text-align: center; padding: 100px 24px; overflow: hidden; }
.finale-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,61,181,.25), transparent 60%);
  filter: blur(30px); pointer-events: none;
}
.finale h2 { position: relative; font-family: var(--display); font-weight: 900; font-size: clamp(30px, 5vw, 52px); letter-spacing: 1px; margin-bottom: 30px; background: var(--gem); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.finale .btn { position: relative; }

/* ===== Footer ===== */
.footer { position: relative; z-index: 1; text-align: center; padding: 56px 24px 44px; border-top: 1px solid rgba(255,255,255,.08); }
.footer-logo { height: 150px; width: auto; margin-bottom: 18px; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 24px; margin-bottom: 20px; }
.footer-nav a { font-family: var(--display); font-weight: 500; font-size: 12px; letter-spacing: 1px; color: var(--text-dim); text-decoration: none; transition: color .2s; }
.footer-nav a:hover { color: var(--cyan); }
.footer-text { font-size: 13px; color: #6b6f96; max-width: 680px; margin: 0 auto 14px; font-weight: 300; line-height: 1.8; }
.footer-copy { font-family: var(--display); font-size: 12px; color: #565a82; letter-spacing: 1px; }

/* ===== 響應式 ===== */
@media (max-width: 900px) {
  .burger { display: flex; }
  .links {
    position: absolute; top: calc(100% + 10px); right: 0;
    flex-direction: column; align-items: stretch; gap: 0; margin-left: 0;
    background: rgba(14,5,48,.95);
    border: 1px solid var(--glass-bd); border-radius: 16px;
    padding: 8px 20px; min-width: 200px;
    backdrop-filter: blur(16px);
    box-shadow: 0 14px 40px rgba(0,0,0,.5);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .links.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .links a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 15px; }
  .links a:last-child { border-bottom: none; }
  .brand { margin-right: auto; }
  .nav-glass { gap: 12px; }
  .nav-glass .btn-neon { order: 1; padding: 11px 18px; font-size: 13px; }
  .burger { order: 2; }

  .cards { grid-template-columns: 1fr; }

  .demo-stage { aspect-ratio: 3 / 5; }
  body.demo-locked { overflow: hidden; }
  .demo-frame.demo-fullscreen { position: fixed; inset: 0; z-index: 9999; width: 100vw; height: 100dvh; }
  .demo-frame.demo-fullscreen .demo-stage { aspect-ratio: auto; width: 100%; height: 100%; border-radius: 0; }
  .demo-frame.demo-fullscreen .demo-close { display: flex; }
}
@media (max-width: 560px) {
  .sect { padding: 60px 20px; }
  .hero { padding: var(--sbst-hero-top) 20px 50px; }
  .nav-glass { padding: 6px 10px 6px 14px; gap: 10px; }
  .brand img { height: 72px; }
  .hero-title { font-size: clamp(22px, 8.5vw, 60px); letter-spacing: 0; padding-right: 0; }
  .hero-lead { font-size: 16px; }
  .console-foot { flex-direction: column; }
  .finale { padding: 70px 20px; }
}


/* ===== WP: Admin bar ===== */
.admin-bar .nav-wrap { top: calc(16px + 32px); }
.admin-bar .hero { padding-top: calc(var(--sbst-hero-top) + 32px); }
@media screen and (max-width: 782px) {
  .admin-bar .nav-wrap { top: calc(16px + 46px); }
  .admin-bar .hero { padding-top: calc(var(--sbst-hero-top) + 46px); }
}

/* ===== WP: Entry content (about text zone) ===== */
.about .entry-content h2, .about-text .entry-content h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(24px,4vw,38px); letter-spacing: 1px;
  margin: 1.5em 0 .4em;
  background: var(--gem); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.about .entry-content h3, .about-text .entry-content h3 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(17px,2.8vw,23px);
  color: var(--cyan); margin: 28px 0 8px;
}
.about .entry-content p, .about-text .entry-content p,
.entry-content p { font-size: 16px; color: var(--text-dim); font-weight: 300; margin-bottom: .9em; line-height: 1.8; }
.entry-content strong { color: var(--text); }
.entry-content a { color: var(--magenta); text-decoration: underline; }
.entry-content a:hover { color: var(--cyan); }
.entry-content ul, .entry-content ol { color: var(--text-dim); font-size: 16px; margin: 0 0 1em 1.4em; font-weight: 300; line-height: 1.8; }
.entry-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.5em; }
.entry-content table th, .entry-content table td { padding: 10px 14px; border: 1px solid rgba(255,255,255,.08); font-size: 14px; }
.entry-content table th { background: var(--glass); color: var(--cyan); font-family: var(--display); font-weight: 500; }
.entry-content table td { color: var(--text-dim); }
.entry-content blockquote { border-left: 2px solid var(--violet); padding: 12px 20px; margin: 0 0 1.5em; background: var(--glass); color: var(--text-dim); font-style: italic; border-radius: 0 8px 8px 0; }
.entry-content img { max-width: 100%; height: auto; display: block; margin: 0 auto 1em; border-radius: 12px; }


/* ===== WP: Fixed header content clearance ===== */
.page-generic__section,
main.sect,
body > .sect:first-of-type,
body > .finale:first-of-type {
  padding-top: var(--sbst-content-top);
}

.admin-bar .page-generic__section,
.admin-bar main.sect,
.admin-bar > .sect:first-of-type,
.admin-bar > .finale:first-of-type {
  padding-top: calc(var(--sbst-content-top) + 32px);
}

@media screen and (max-width: 782px) {
  .admin-bar .page-generic__section,
  .admin-bar main.sect,
  .admin-bar > .sect:first-of-type,
  .admin-bar > .finale:first-of-type {
    padding-top: calc(var(--sbst-content-top) + 46px);
  }
}

@media (max-width: 560px) {
  :root {
    --sbst-content-top: 132px;
    --sbst-hero-top: 132px;
  }
}

/* ===== WP: Generic page ===== */
.page-generic { position: relative; z-index: 1; }
.page-generic__section { padding: var(--sbst-content-top) 24px 80px; max-width: var(--wrap); margin: 0 auto; }
.page-generic__inner { max-width: 820px; margin: 0 auto; }
.page-generic__title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(26px,4vw,44px); letter-spacing: 2px;
  margin-bottom: 28px;
  background: var(--gem); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.page-generic__body { color: var(--text-dim); font-size: 16px; line-height: 1.8; font-weight: 300; }
.page-generic__body h2,.page-generic__body h3 { font-family: var(--display); color: var(--cyan); margin: 1.5em 0 .5em; }
.page-generic__body p { margin-bottom: .9em; }
.page-generic__body a { color: var(--magenta); }

/* Fix T overflow on very narrow screens */
@media (max-width: 400px) {
  .hero-title { font-size: clamp(22px, 8vw, 40px); letter-spacing: 0; }
}

/* ===== WP: Standard block buttons ===== */
.entry-content .wp-block-button,
.page-generic__body .wp-block-button,
.about-text .wp-block-button {
  margin: 24px 0;
}

.entry-content .wp-block-button__link,
.entry-content .wp-element-button,
.page-generic__body .wp-block-button__link,
.page-generic__body .wp-element-button,
.about-text .wp-block-button__link,
.about-text .wp-element-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 13px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: linear-gradient(90deg, var(--magenta), var(--violet), var(--cyan));
  color: #fff !important;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 1px;
  text-decoration: none !important;
  box-shadow: 0 0 22px rgba(255,61,181,.38), 0 0 42px rgba(123,47,247,.28);
  transition: transform .15s ease, box-shadow .25s ease, filter .2s ease, border-color .2s ease;
}

.entry-content .wp-block-button__link:hover,
.entry-content .wp-element-button:hover,
.page-generic__body .wp-block-button__link:hover,
.page-generic__body .wp-element-button:hover,
.about-text .wp-block-button__link:hover,
.about-text .wp-element-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  border-color: rgba(37,231,255,.55);
  box-shadow: 0 0 30px rgba(255,61,181,.55), 0 0 60px rgba(37,231,255,.28);
}

.entry-content .wp-block-button.is-style-outline .wp-block-button__link,
.page-generic__body .wp-block-button.is-style-outline .wp-block-button__link,
.about-text .wp-block-button.is-style-outline .wp-block-button__link {
  background: rgba(255,255,255,.06);
  color: var(--text) !important;
  border: 1px solid rgba(37,231,255,.5);
  box-shadow: 0 0 20px rgba(37,231,255,.18);
}

.entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover,
.page-generic__body .wp-block-button.is-style-outline .wp-block-button__link:hover,
.about-text .wp-block-button.is-style-outline .wp-block-button__link:hover {
  color: var(--cyan) !important;
  box-shadow: 0 0 28px rgba(37,231,255,.28);
}

@media (max-width: 560px) {
  .entry-content .wp-block-button__link,
  .entry-content .wp-element-button,
  .page-generic__body .wp-block-button__link,
  .page-generic__body .wp-element-button,
  .about-text .wp-block-button__link,
  .about-text .wp-element-button {
    width: 100%;
    max-width: 320px;
    padding: 13px 22px;
    font-size: 13px;
    text-align: center;
  }
}