/* ============================================================
   超頻 HYPERWAVE — Y2K / Frutiger Aero 主題樣式
   純靜態 · CSS 變數 · RWD
   ============================================================ */

:root{
  /* 色彩系統 */
  --aqua-100:#eaf8ff;
  --aqua-200:#d2f0ff;
  --aqua-300:#a6e3ff;
  --aqua-400:#5cc8f5;
  --aqua-500:#16a9e6;
  --aqua-600:#0d83c4;
  --aqua-700:#0a5e92;
  --ink:#0a2738;
  --ink-soft:#3a5d72;
  --lime:#b9f5cf;
  --lime-deep:#41c98b;
  --holo-1:#ffd6f2;
  --holo-2:#cfe4ff;
  --holo-3:#d6fff0;
  --holo-4:#f3e6ff;
  --white:#ffffff;
  --chrome-1:#ffffff;
  --chrome-2:#cfe2ee;
  --chrome-3:#9bb8c9;

  /* 漸層 */
  --grad-sky:linear-gradient(180deg,#ffffff 0%,#eaf8ff 38%,#cdeeff 100%);
  --grad-aqua:linear-gradient(135deg,#5cc8f5 0%,#16a9e6 55%,#0d83c4 100%);
  --grad-holo:linear-gradient(120deg,#ffd6f2 0%,#cfe4ff 30%,#d6fff0 62%,#f3e6ff 100%);
  --grad-chrome:linear-gradient(180deg,#ffffff 0%,#e6f1f8 45%,#b7d0de 55%,#ffffff 100%);
  --glass:rgba(255,255,255,.55);
  --glass-strong:rgba(255,255,255,.74);

  /* 形 */
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;
  --pill:999px;
  --shadow-soft:0 18px 44px -18px rgba(13,131,196,.45);
  --shadow-card:0 10px 30px -12px rgba(10,94,146,.35);
  --ring:inset 0 1px 0 rgba(255,255,255,.85),inset 0 0 0 1px rgba(255,255,255,.4);

  --maxw:1160px;
  --font-disp:"Sora",system-ui,sans-serif;
  --font-tech:"Chakra Petch",system-ui,sans-serif;
  --font-body:"Noto Sans TC","Sora",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  line-height:1.75;
  background:var(--grad-sky);
  background-attachment:fixed;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* 背景泡泡裝飾 */
body::before,body::after{
  content:"";position:fixed;border-radius:50%;z-index:0;pointer-events:none;
  filter:blur(2px);opacity:.5;
}
body::before{
  width:520px;height:520px;top:-160px;right:-120px;
  background:radial-gradient(circle at 35% 30%,#ffffff 0%,#a6e3ff 45%,rgba(166,227,255,0) 72%);
}
body::after{
  width:420px;height:420px;bottom:-140px;left:-120px;
  background:radial-gradient(circle at 40% 35%,#ffffff 0%,#d6fff0 45%,rgba(214,255,240,0) 72%);
}

a{color:var(--aqua-600);text-decoration:none}
a:hover{color:var(--aqua-700)}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 導覽列 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.7);
  box-shadow:0 6px 22px -16px rgba(13,131,196,.5);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-tech);font-weight:700;font-size:1.22rem;letter-spacing:.04em;color:var(--ink)}
.brand svg{width:38px;height:38px;flex:0 0 auto;filter:drop-shadow(0 3px 6px rgba(13,131,196,.4))}
.brand b{font-weight:700}
.brand span{font-family:var(--font-body);font-weight:500;font-size:.74rem;color:var(--aqua-600);letter-spacing:.14em;display:block;line-height:1}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;flex-wrap:wrap}
.nav-links a{
  font-weight:500;color:var(--ink-soft);padding:8px 15px;border-radius:var(--pill);
  font-size:.96rem;transition:.18s;display:inline-block;
}
.nav-links a:hover{background:rgba(255,255,255,.8);color:var(--aqua-700)}
.nav-links a.active{background:var(--grad-aqua);color:#fff;box-shadow:var(--ring),0 6px 14px -6px rgba(13,131,196,.7)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle svg{width:30px;height:30px;color:var(--aqua-700)}

/* ---------- 按鈕 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--font-body);font-weight:700;
  font-size:1rem;padding:13px 26px;border-radius:var(--pill);cursor:pointer;border:0;
  transition:transform .15s,box-shadow .2s;line-height:1;
}
.btn svg{width:18px;height:18px}
.btn-primary{
  color:#fff;background:var(--grad-aqua);
  box-shadow:var(--ring),0 12px 24px -10px rgba(13,131,196,.8);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:var(--ring),0 16px 30px -10px rgba(13,131,196,.9)}
.btn-ghost{
  color:var(--aqua-700);background:var(--glass-strong);
  box-shadow:var(--ring),var(--shadow-card);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--aqua-700)}

/* ---------- 區段共用 ---------- */
section{position:relative;z-index:1;padding:74px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-tech);font-weight:500;
  font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--aqua-600);
  background:var(--glass-strong);padding:7px 16px;border-radius:var(--pill);
  box-shadow:var(--ring),var(--shadow-card);margin-bottom:18px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad-aqua);box-shadow:0 0 0 3px rgba(92,200,245,.35)}
h1,h2,h3{font-family:var(--font-disp);line-height:1.18;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5.5vw,3.7rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:700}
h3{font-size:1.22rem;font-weight:700}
.lead{font-size:1.12rem;color:var(--ink-soft);max-width:60ch}
.section-head{max-width:64ch;margin-bottom:42px}
.holo-rule{height:5px;width:120px;border-radius:var(--pill);background:var(--grad-holo);margin:20px 0;box-shadow:var(--ring)}

/* ---------- 玻璃卡片 ---------- */
.glass{
  background:var(--glass);backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  border:1px solid rgba(255,255,255,.75);border-radius:var(--r-lg);
  box-shadow:var(--ring),var(--shadow-card);
}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

/* ---------- HERO ---------- */
.hero{padding:64px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero h1 .holo{
  background:linear-gradient(110deg,#0d83c4,#16a9e6 35%,#41c98b 70%,#0d83c4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{margin:22px 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid rgba(255,255,255,.7)}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(255,255,255,.32),rgba(255,255,255,0) 38%);pointer-events:none}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.chip{font-family:var(--font-tech);font-size:.82rem;letter-spacing:.05em;padding:7px 14px;border-radius:var(--pill);background:var(--glass-strong);box-shadow:var(--ring),var(--shadow-card);color:var(--ink-soft)}

/* 數據列 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px}
.stat{padding:22px;text-align:center}
.stat b{display:block;font-family:var(--font-disp);font-weight:800;font-size:2rem;color:var(--aqua-600);line-height:1}
.stat span{font-size:.9rem;color:var(--ink-soft)}

/* 服務 / 特色卡 */
.feature{padding:26px}
.feature .ic{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--grad-aqua);box-shadow:var(--ring),0 10px 20px -10px rgba(13,131,196,.8);margin-bottom:16px}
.feature .ic svg{width:28px;height:28px;color:#fff}
.feature h3{margin-bottom:8px}
.feature p{color:var(--ink-soft);font-size:.98rem}

/* 藝人 / 發行卡 */
.card-media{overflow:hidden;border-radius:var(--r-md);aspect-ratio:1/1;margin-bottom:0}
.card-media img{width:100%;height:100%;object-fit:cover}
.artist{padding:16px;display:flex;flex-direction:column;gap:12px}
.artist .meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{font-family:var(--font-tech);font-size:.72rem;letter-spacing:.08em;padding:5px 11px;border-radius:var(--pill);background:var(--grad-holo);color:var(--ink);box-shadow:var(--ring)}
.artist h3{font-size:1.12rem}
.artist p{font-size:.93rem;color:var(--ink-soft)}

.release{display:flex;gap:16px;align-items:center;padding:16px}
.release .cover{flex:0 0 92px;width:92px;height:92px;border-radius:14px;overflow:hidden;box-shadow:var(--shadow-card)}
.release .cover img{width:100%;height:100%;object-fit:cover}
.release h3{font-size:1.05rem}
.release small{font-family:var(--font-tech);color:var(--aqua-600);letter-spacing:.06em}

/* 流程步驟 */
.steps{counter-reset:s;display:grid;gap:18px}
.step{padding:24px;display:flex;gap:18px;align-items:flex-start}
.step .num{counter-increment:s;flex:0 0 auto;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-family:var(--font-disp);font-weight:800;color:#fff;background:var(--grad-aqua);box-shadow:var(--ring)}
.step .num::before{content:counter(s,decimal-leading-zero)}
.step h3{margin-bottom:5px}
.step p{color:var(--ink-soft);font-size:.97rem}

/* 列表勾選 */
.ticks{list-style:none;display:grid;gap:12px}
.ticks li{display:flex;gap:11px;align-items:flex-start;color:var(--ink-soft)}
.ticks svg{flex:0 0 auto;width:22px;height:22px;color:var(--lime-deep);margin-top:2px}

/* 價格 / 服務方案 */
.price{padding:28px;display:flex;flex-direction:column;gap:16px}
.price .amt{font-family:var(--font-disp);font-weight:800;font-size:2rem;color:var(--aqua-600)}
.price .amt small{font-size:.9rem;font-weight:500;color:var(--ink-soft);font-family:var(--font-body)}

/* 表格 */
table.spec{width:100%;border-collapse:collapse;font-size:.96rem}
table.spec th,table.spec td{text-align:left;padding:13px 14px;border-bottom:1px solid rgba(155,184,201,.4)}
table.spec th{font-family:var(--font-tech);color:var(--aqua-700);font-weight:700;letter-spacing:.03em}

/* CTA 帶 */
.cta-band{padding:46px;text-align:center;background:var(--grad-aqua);border-radius:var(--r-lg);box-shadow:var(--ring),var(--shadow-soft);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;top:-130px;right:-60px;background:radial-gradient(circle at 40% 40%,rgba(255,255,255,.6),rgba(255,255,255,0) 70%)}
.cta-band h2,.cta-band p{color:#fff;position:relative}
.cta-band p{opacity:.92;margin:10px auto 24px;max-width:54ch}
.cta-band .btn-ghost{color:var(--aqua-700)}

/* 表單 */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-weight:500;font-size:.92rem;color:var(--ink)}
.field input,.field textarea,.field select{
  font-family:var(--font-body);font-size:1rem;padding:12px 15px;border-radius:14px;
  border:1px solid rgba(155,184,201,.6);background:rgba(255,255,255,.8);color:var(--ink);
  box-shadow:inset 0 1px 3px rgba(10,94,146,.12);
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--aqua-400);box-shadow:0 0 0 3px rgba(92,200,245,.35)}
.note{font-size:.86rem;color:var(--ink-soft)}

/* 詳情 / FAQ */
details.faq{padding:6px 22px;margin-bottom:0}
details.faq summary{cursor:pointer;font-weight:700;font-family:var(--font-disp);padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .pm{flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--grad-aqua);color:#fff;transition:transform .2s}
details.faq[open] summary .pm{transform:rotate(45deg)}
details.faq p{padding:0 0 18px;color:var(--ink-soft)}

/* 麵包屑 */
.crumb{font-size:.86rem;color:var(--ink-soft);padding:18px 0 0}
.crumb a{color:var(--aqua-600)}
.crumb span{margin:0 8px;color:var(--chrome-3)}

/* 頁首小標題區 */
.page-hero{padding:54px 0 18px;text-align:center}
.page-hero .lead{margin:18px auto 0}
.page-hero .holo-rule{margin:20px auto}

/* ---------- 頁尾 ---------- */
.footer{position:relative;z-index:1;margin-top:30px;background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(205,238,255,.7));border-top:1px solid rgba(255,255,255,.8);backdrop-filter:blur(10px)}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:52px 24px 26px;max-width:var(--maxw);margin:0 auto}
.footer h4{font-family:var(--font-tech);font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--aqua-700);margin-bottom:14px}
.footer ul{list-style:none;display:grid;gap:9px}
.footer a{color:var(--ink-soft);font-size:.95rem}
.footer a:hover{color:var(--aqua-700)}
.footer .brand{margin-bottom:12px}
.footer p{font-size:.92rem;color:var(--ink-soft);max-width:34ch}
.footer-bottom{border-top:1px solid rgba(155,184,201,.4);padding:18px 24px;text-align:center;font-size:.86rem;color:var(--ink-soft);max-width:var(--maxw);margin:0 auto}
.footer-bottom b{color:var(--aqua-700)}

/* ---------- RWD ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:64px;left:16px;right:16px;flex-direction:column;align-items:stretch;
    background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-radius:var(--r-md);
    padding:12px;gap:4px;box-shadow:var(--shadow-soft);border:1px solid rgba(255,255,255,.8);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px}
  section{padding:54px 0}
  .g-2,.g-3,.g-4,.stats{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .release{flex-direction:column;text-align:center}
  .release .cover{align-self:center}
}