/* ===== NOMAD — 單頁創意代理商模板 =====
   Glint 同技術風格：原生 CSS + Vanilla JS（零 jQuery）、響應式、動態統計、作品集、燈箱、可運作表單 */

:root{
  --ink:#0e0e12;
  --ink-2:#16161d;
  --ink-3:#1e1e28;
  --paper:#f6f5f1;
  --white:#ffffff;
  --muted:rgba(255,255,255,.62);
  --muted-dark:#6b6b77;
  --accent:#e6b75a;         /* Signal Gold */
  --accent-2:#3b82f6;       /* secondary accent */
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'Space Grotesk',ui-monospace,SFMono-Regular,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--ink);
  color:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.eyebrow{
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:1.2rem;
}
h2.section-title{
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:700;
  line-height:1.05;
  letter-spacing:-.02em;
}
.gold{color:var(--accent)}

/* ===== 導覽列 ===== */
header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  padding:1.6rem 0;
  transition:background .4s var(--ease),padding .4s var(--ease),backdrop-filter .4s;
}
header.scrolled{
  padding:.9rem 0;
  background:rgba(14,14,18,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--mono);font-weight:700;font-size:1.35rem;letter-spacing:.02em}
.brand span{color:var(--accent)}
.nav-links{display:flex;gap:2.2rem;align-items:center}
.nav-links a{
  font-size:.9rem;color:var(--muted);
  transition:color .25s;
  position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--accent);transition:width .3s var(--ease);
}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  background:var(--accent);color:var(--ink);
  padding:.55rem 1.3rem;border-radius:100px;
  font-weight:600;font-size:.85rem;
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(230,183,90,.35)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:60;background:none;border:0}
.burger span{width:26px;height:2px;background:var(--white);transition:.3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 600px at 80% -10%,rgba(59,130,246,.18),transparent 60%),
    radial-gradient(700px 500px at -10% 110%,rgba(230,183,90,.14),transparent 55%),
    var(--ink);
}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 75%);
}
.hero-inner{position:relative;z-index:2;padding-top:6rem}
.hero h1{
  font-size:clamp(2.8rem,8vw,6rem);
  font-weight:800;line-height:1.02;letter-spacing:-.03em;
  max-width:16ch;
}
.hero h1 .accent-line{display:block;color:var(--accent)}
.hero-sub{
  margin-top:1.8rem;max-width:42ch;
  color:var(--muted);font-size:1.1rem;
}
.hero-actions{display:flex;gap:1rem;margin-top:2.6rem;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.95rem 2rem;border-radius:100px;
  font-weight:600;font-size:.95rem;
  transition:.3s var(--ease);cursor:pointer;border:0;
}
.btn-solid{background:var(--accent);color:var(--ink)}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(230,183,90,.35)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:var(--white);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.hero-stats{
  position:absolute;right:0;bottom:3rem;z-index:2;
  display:flex;gap:3rem;padding-right:4%;
}
.hero-stat h3{font-size:2.4rem;font-weight:800;color:var(--accent);font-family:var(--mono)}
.hero-stat p{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ===== 通用區段 ===== */
section{padding:7rem 0;position:relative}
.section-head{max-width:640px;margin-bottom:4rem}
.section-head p.lead{color:var(--muted);margin-top:1rem;font-size:1.05rem}

/* ===== 關於 / 服務 ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about-img{
  position:relative;border-radius:18px;overflow:hidden;
  aspect-ratio:4/5;background:linear-gradient(135deg,var(--ink-3),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
}
.about-img::before{content:attr(data-label);font-family:var(--mono);font-size:1.4rem;color:rgba(255,255,255,.85)}
.about-img .frame{
  position:absolute;inset:18px;border:1px solid rgba(255,255,255,.25);border-radius:12px;pointer-events:none;
}
.about-copy p{color:var(--muted);margin-bottom:1.2rem}
.about-copy ul{list-style:none;margin-top:1.6rem;display:grid;gap:.8rem}
.about-copy ul li{display:flex;gap:.8rem;align-items:flex-start;color:var(--white)}
.about-copy ul li::before{content:"✦";color:var(--accent);font-size:.9rem;margin-top:2px}

/* ===== 服務卡片 ===== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.service-card{
  background:var(--ink-2);border:1px solid rgba(255,255,255,.06);
  border-radius:16px;padding:2.2rem;
  transition:transform .4s var(--ease),border-color .3s;
}
.service-card:hover{transform:translateY(-8px);border-color:var(--accent)}
.service-icon{
  width:54px;height:54px;border-radius:12px;margin-bottom:1.4rem;
  display:flex;align-items:center;justify-content:center;
  background:rgba(230,183,90,.12);color:var(--accent);
}
.service-card h3{font-size:1.2rem;margin-bottom:.6rem}
.service-card p{color:var(--muted);font-size:.94rem}
.service-card .num{
  font-family:var(--mono);font-size:.8rem;color:var(--muted-dark);
  display:block;margin-bottom:1.2rem;letter-spacing:.2em;
}

/* ===== 動態統計 ===== */
.stats-band{
  background:linear-gradient(135deg,var(--accent),#c8963e);
  color:var(--ink);border-radius:24px;
  padding:3.4rem 2.5rem;
  display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center;
}
.stats-band .stat h2{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;font-family:var(--mono)}
.stats-band .stat p{font-weight:600;letter-spacing:.04em;opacity:.8}

/* ===== 作品集 ===== */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.work-item{
  position:relative;border-radius:14px;overflow:hidden;cursor:pointer;
  aspect-ratio:1/1.1;background:linear-gradient(140deg,var(--ink-3),#2b2b3a);
  display:flex;align-items:center;justify-content:center;
}
.work-item::before{content:attr(data-title);font-family:var(--mono);font-size:1.1rem;color:rgba(255,255,255,.85);padding:1rem;text-align:center}
.work-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(14,14,18,.88);opacity:0;transition:opacity .4s var(--ease);padding:1.4rem;text-align:center;
}
.work-item:hover .work-overlay{opacity:1}
.work-overlay h3{font-size:1.1rem;margin-bottom:.4rem}
.work-overlay p{color:var(--muted);font-size:.86rem}
.work-overlay .view{margin-top:.9rem;color:var(--accent);font-family:var(--mono);font-size:.8rem;letter-spacing:.18em}

/* ===== 燈箱 ===== */
.lightbox{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  background:rgba(8,8,10,.95);backdrop-filter:blur(6px);padding:4rem 2rem;
}
.lightbox.open{display:flex;animation:fadeIn .3s}
.lightbox-card{
  max-width:880px;width:100%;border-radius:16px;overflow:hidden;
  background:var(--ink-2);border:1px solid rgba(255,255,255,.1);
}
.lightbox-visual{aspect-ratio:16/9;background:linear-gradient(140deg,var(--ink-3),#3a3a4c);display:flex;align-items:center;justify-content:center}
.lightbox-visual span{font-family:var(--mono);color:var(--accent)}
.lightbox-body{padding:1.8rem}
.lightbox-body h3{margin-bottom:.4rem}
.lightbox-body p{color:var(--muted);font-size:.95rem}
.lightbox-close{
  position:absolute;top:1.6rem;right:2rem;background:none;border:0;color:var(--white);
  font-size:2.2rem;cursor:pointer;line-height:1;transition:transform .3s;
}
.lightbox-close:hover{transform:rotate(90deg);color:var(--accent)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ===== 聯絡表單 ===== */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:4rem}
.contact-info h3{font-size:1.6rem;margin-bottom:1rem}
.contact-info p{color:var(--muted);margin-bottom:1.8rem}
.contact-item{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.3rem}
.contact-item .ico{color:var(--accent);margin-top:3px}
.contact-item strong{display:block}
.contact-item span{color:var(--muted);font-size:.92rem}
.form{display:grid;gap:1.1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.field label{display:block;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.field input,.field textarea{
  width:100%;background:var(--ink-2);border:1px solid rgba(255,255,255,.1);
  color:var(--white);padding:.95rem 1.1rem;border-radius:10px;font-family:var(--font);
  font-size:.95rem;transition:border-color .3s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:130px}
.form-note{font-size:.85rem;color:var(--muted);min-height:1.4em}
.form-note.success{color:#7fd19a}
.form-note.error{color:#f47b7b}
.btn-submit{align-self:start}

/* ===== 頁尾 ===== */
footer{border-top:1px solid rgba(255,255,255,.06);padding:3.5rem 0;background:var(--ink-2)}
.footer-grid{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem}
.footer-brand{font-family:var(--mono);font-weight:700;font-size:1.2rem}
.footer-brand span{color:var(--accent)}
.footer-social{display:flex;gap:1rem}
.footer-social a{
  width:42px;height:42px;border-radius:100px;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;transition:.3s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--ink);transform:translateY(-3px)}
.footer-copy{margin-top:2.2rem;text-align:center;color:var(--muted-dark);font-size:.85rem}

/* ===== 淡入動畫 ===== */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
.reveal.delay-1{transition-delay:.12s}
.reveal.delay-2{transition-delay:.24s}
.reveal.delay-3{transition-delay:.36s}

/* ===== 行動版 ===== */
@media(max-width:900px){
  .nav-links{
    position:fixed;inset:0;background:rgba(14,14,18,.98);flex-direction:column;
    justify-content:center;gap:2.4rem;transform:translateX(100%);transition:transform .45s var(--ease);
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:1.3rem}
  .nav-links .nav-cta{margin-top:1rem}
  .burger{display:flex}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .services-grid,.portfolio-grid{grid-template-columns:1fr 1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .hero-stats{position:static;padding:2rem 0 0;gap:2rem}
}
@media(max-width:540px){
  .services-grid,.portfolio-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  section{padding:5rem 0}
}