/* Go Shoot — brand stylesheet */
:root{
  --cream:#FBF6EE; --paper:#FFFFFF; --ink:#262329; --coral:#FF6A4D;
  --coral-deep:#993C1D; --sky:#8FCDE0; --muted:#6E6A63; --line:rgba(38,35,41,.10);
  --display:'Poppins',system-ui,sans-serif;
  --body:'Noto Sans TC','Poppins',system-ui,sans-serif;
  --r:14px; --rlg:20px; --maxw:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);
  line-height:1.75;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.2;letter-spacing:.2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* emblem */
.emblem{display:block}
.spin{animation:spin 9s linear infinite;transform-origin:32px 32px}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,246,238,.85);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);
  font-weight:600;font-size:20px;letter-spacing:.5px}
.brand svg{width:30px;height:30px}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a{font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.menu-btn{display:none;margin-left:auto;background:none;border:0;font-size:24px;color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--coral);
  color:var(--cream);font-family:var(--display);font-weight:500;font-size:15px;
  padding:11px 20px;border-radius:999px;border:0;cursor:pointer;transition:.15s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.04)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--cream)}
.btn-sm{padding:8px 16px;font-size:14px}

/* hero */
.hero{text-align:center;padding:64px 0 40px}
.hero .emblem{width:120px;height:120px;margin:0 auto 18px}
.hero h1{font-size:clamp(40px,9vw,68px);margin:0;letter-spacing:1px}
.hero .tag{font-size:clamp(14px,3.4vw,18px);letter-spacing:3px;color:var(--muted);
  margin:10px 0 0;font-family:var(--display)}
.hero p.sub{max-width:560px;margin:18px auto 26px;color:var(--muted);font-size:16px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* eyebrow + section */
section{padding:54px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);
  font-weight:500;font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--coral-deep)}
.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;
  border:2.5px solid var(--coral)}
h2.sec{font-size:clamp(26px,5vw,38px);margin:12px 0 8px}
.sec-lead{color:var(--muted);max-width:620px;margin:0 0 30px}

/* cards */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--rlg);
  padding:26px 24px;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(38,35,41,.07)}
.card .ring{width:42px;height:42px;margin-bottom:14px}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0;color:var(--muted);font-size:15px}

/* arena band */
.band{background:var(--ink);color:var(--cream);border-radius:28px;
  padding:44px 36px;display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.band .emblem{width:96px;height:96px;flex:0 0 auto}
.band h2{color:var(--cream);margin:0 0 8px}
.band p{color:rgba(251,246,238,.78);margin:0 0 18px;max-width:520px}
.band .btn-ghost{color:var(--cream);border-color:var(--cream)}
.band .btn-ghost:hover{background:var(--cream);color:var(--ink)}

/* product tiles — 放真實商品照片；未放圖時顯示品牌圖示佔位 */
.prod{aspect-ratio:1;border:1px solid var(--line);border-radius:var(--r);
  position:relative;overflow:hidden;background:var(--cream);display:block}
.prod::after{content:"";position:absolute;inset:0;
  background:url("assets/logo-coral.png") center/cover no-repeat}
.prod img{position:absolute;inset:0;z-index:1;width:100%;height:100%;
  object-fit:cover;background:var(--cream)}

/* form box */
.formbox{background:var(--paper);border:1px dashed var(--coral);border-radius:var(--rlg);
  padding:30px;text-align:center}

/* guide cards */
.guide-card{display:block;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--rlg);padding:24px;transition:.18s;height:100%}
.guide-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(38,35,41,.07)}
.guide-card .kicker{font-family:var(--display);font-size:12px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--coral-deep)}
.guide-card h3{margin:8px 0 6px;font-size:19px}
.guide-card p{margin:0;color:var(--muted);font-size:14px}

/* info / contact */
.info{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.info .map{background:var(--paper);border:1px solid var(--line);border-radius:var(--rlg);
  min-height:260px;display:flex;align-items:center;justify-content:center;color:var(--muted);overflow:hidden}
.info .map iframe{width:100%;height:100%;min-height:300px;border:0;display:block}
.info dl{margin:0}
.info dt{font-family:var(--display);font-weight:500;font-size:13px;letter-spacing:1px;
  text-transform:uppercase;color:var(--coral-deep);margin-top:16px}
.info dd{margin:4px 0 0;font-size:16px}

/* footer */
footer{background:var(--ink);color:var(--cream);padding:46px 0 30px;margin-top:20px}
footer .wrap{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
footer .brand{color:var(--cream)}
footer .fnav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
footer .fnav a{color:rgba(251,246,238,.8);font-size:14px}
footer .copy{width:100%;border-top:1px solid rgba(251,246,238,.15);margin-top:22px;
  padding-top:18px;color:rgba(251,246,238,.6);font-size:13px}

/* article */
.article{max-width:740px;margin:0 auto;padding:40px 22px 10px}
.article .kicker{font-family:var(--display);font-size:13px;letter-spacing:2px;
  text-transform:uppercase;color:var(--coral-deep)}
.article h1{font-size:clamp(28px,6vw,42px);margin:10px 0 8px;line-height:1.15}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:24px}
.article h2{font-size:24px;margin:34px 0 10px}
.article h3{font-size:19px;margin:24px 0 8px}
.article p,.article li{font-size:17px;color:#36322f}
.article ul,.article ol{padding-left:20px}
.article .callout{background:var(--paper);border-left:4px solid var(--coral);
  border-radius:0 var(--r) var(--r) 0;padding:16px 20px;margin:22px 0;color:var(--muted)}
.article .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.tier{display:flex;gap:14px;align-items:flex-start;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin:12px 0}
.tier .badge{font-family:var(--display);font-weight:700;font-size:18px;color:var(--cream);
  background:var(--coral);min-width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.tier.t1 .badge{background:var(--ink)}
.tier.t2 .badge{background:var(--sky);color:var(--ink)}

@media(max-width:760px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;background:var(--cream);
    padding:6px 0 12px;border-bottom:1px solid var(--line);
    box-shadow:0 12px 26px rgba(38,35,41,.08)}
  .nav-links a{padding:13px 22px;font-size:16px}
  .nav-links .btn{margin:8px 22px 0;justify-content:center}
  .menu-btn{display:block}
  .nav-links.open{display:flex}
  .grid-3,.grid-2,.info{grid-template-columns:1fr}
  .band{padding:32px 24px}
  section{padding:40px 0}
}