/* ============================================================
   NovaSpark Archery — static rebuild v1.0
   Palette: pure black / white (minimal, no accent color)
   Type: Archivo (display) + Inter (body) via Google Fonts
   ============================================================ */

:root {
  --black: #000000;
  --panel: #0A0A0A;
  --line: rgba(255, 255, 255, 0.14);
  --text: #F5F5F5;
  --muted: #A3A3A3;
  --maxw: 78rem;
}

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

body {
  background: var(--black);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: 'Archivo', 'Inter', sans-serif;
  text-transform: uppercase;
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: 0.02em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: #fff; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; background: rgba(0,0,0,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 4.5rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand img { height: 2rem; width: 2rem; border-radius: 50%; object-fit: cover; }
.brand span { font-family: 'Archivo', sans-serif; font-weight: 800; letter-spacing: 0.18em; font-size: 1.05rem; }
.main-nav { display: flex; align-items: center; gap: 2.25rem; }
.main-nav a { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.14em; color: #D4D4D4; font-weight: 500; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #fff; text-decoration: underline; text-underline-offset: 6px; }
.btn {
  display: inline-block; padding: 0.9rem 2.2rem; border: 1px solid #fff;
  color: #fff; font-weight: 600; font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.14em; position: relative; overflow: hidden; background: transparent;
  transition: color 0.3s ease; z-index: 1; cursor: pointer;
}
.btn::before {
  content: ""; position: absolute; inset: 0; background: #fff;
  transform: translateX(-101%); transition: transform 0.35s ease; z-index: -1;
}
.btn:hover { color: #000; }
.btn:hover::before { transform: translateX(0); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; }

/* ---------- Hero ---------- */
.hero { min-height: 100svh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative;
  background: linear-gradient(rgba(8,8,8,0.82), rgba(8,8,8,0.58)), url("../assets/hero-hunt.jpg") center 30% / cover no-repeat #0A0A0A; }
.hero-inner { padding: 7rem 1.5rem 5rem; text-shadow: 0 2px 20px rgba(0,0,0,0.6); }
.hero .pre { font-size: 0.8rem; letter-spacing: 0.5em; color: var(--muted); text-transform: uppercase; margin-bottom: 1.5rem; }
.hero h1 { font-size: clamp(3rem, 11vw, 8rem); letter-spacing: 0.04em; }
.hero .choice { margin-top: 1.5rem; font-size: clamp(0.95rem, 2vw, 1.25rem); letter-spacing: 0.42em; text-transform: uppercase; color: #E5E5E5; }
.hero .sub { margin-top: 1.25rem; color: var(--muted); max-width: 40rem; margin-inline: auto; }
.hero .btn { margin-top: 2.75rem; }
.scroll-hint { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.45); font-size: 0.68rem; letter-spacing: 0.32em; text-transform: uppercase; }
.scroll-hint::after { content: ""; display: block; width: 1px; height: 2rem; margin: 0.5rem auto 0; background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent); }

/* ---------- Sections ---------- */
.section { padding: 5.5rem 0; }
.section-tint { background: var(--panel); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.kicker { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.25rem; font-size: 0.78rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--muted); }
.kicker::before { content: ""; width: 3rem; height: 1px; background: #fff; opacity: 0.4; }
.section h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 1.25rem; }
.lead { color: #D4D4D4; font-size: 1.05rem; max-width: 46rem; }
.muted { color: var(--muted); }

/* Features */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.feat { background: var(--black); padding: 2.25rem 1.9rem; transition: background 0.3s ease; }
.section-tint .feat { background: var(--panel); }
.feat:hover { background: #141414; }
.feat .idx { font-size: 0.78rem; letter-spacing: 0.3em; color: var(--muted); }
.feat h3 { font-size: 1.15rem; margin: 0.9rem 0 0.6rem; letter-spacing: 0.06em; }
.feat p { color: var(--muted); font-size: 0.95rem; }

/* About */
.grid-2 { display: grid; grid-template-columns: 1.05fr 1fr; gap: 4rem; align-items: center; }
.prose p { color: #D4D4D4; margin-bottom: 1.25rem; font-size: 1.05rem; line-height: 1.8; }
.img-frame { border: 1px solid var(--line); padding: 0.75rem; }
.img-frame img { width: 100%; height: auto; filter: grayscale(35%) contrast(1.05); }

/* Categories */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.cat-card { border: 1px solid var(--line); background: var(--panel); transition: transform 0.35s ease, border-color 0.35s ease; position: relative; overflow: hidden; }
.cat-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.45); }
.cat-card .thumb { aspect-ratio: 4 / 5; overflow: hidden; }
.cat-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.cat-card:hover .thumb img { transform: scale(1.05); }
.cat-card .body { padding: 1.5rem 1.5rem 1.75rem; }
.cat-card .en { font-size: 0.72rem; letter-spacing: 0.34em; color: var(--muted); text-transform: uppercase; }
.cat-card h3 { font-size: 1.45rem; margin: 0.4rem 0 0.55rem; }
.cat-card p { color: var(--muted); font-size: 0.93rem; }
.cat-card .go { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1.1rem; font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: #fff; }
.cat-card .go::after { content: "→"; transition: transform 0.25s ease; }
.cat-card:hover .go::after { transform: translateX(5px); }


/* Newsletter band */
.band { text-align: center; }
.band h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
.band .lead { margin: 0.75rem auto 2rem; }
/* Brevo 订阅表单（iframe 容器）：白色卡片压在深色区块上 */
.newsletter-embed { max-width: 34rem; margin: 0 auto; }
.newsletter-embed iframe { width: 100%; border: 0; border-radius: 8px; background: #fff; }
.form-note { margin-top: 1rem; color: var(--muted); font-size: 0.82rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; }
.field { margin-bottom: 1.25rem; }
.field label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted); margin-bottom: 0.5rem; }
.field input, .field textarea {
  width: 100%; background: transparent; border: 1px solid var(--line);
  color: #fff; padding: 0.9rem 1rem; font-size: 1rem; font-family: inherit; outline: none;
}
.field input:focus, .field textarea:focus { border-color: #fff; }
.contact-aside p { color: #D4D4D4; margin-bottom: 1rem; }
.contact-aside a { text-decoration: underline; text-underline-offset: 4px; }
.contact-aside .big-mail { font-family: 'Archivo', sans-serif; font-size: 1.25rem; letter-spacing: 0.03em; text-decoration: none; }

/* Policy */
.policy { max-width: 48rem; }
.policy h2 { font-size: 1.5rem; margin: 2.25rem 0 0.75rem; }
.policy p, .policy li { color: #D4D4D4; margin-bottom: 0.9rem; }
.policy ul { padding-left: 1.25rem; }
.policy .callout { border-left: 2px solid #fff; background: rgba(255,255,255,0.05); padding: 1rem 1.25rem; margin: 1.5rem 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 3.5rem 0 2rem; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 2.5rem; }
.foot-brand img { width: 3.25rem; height: 3.25rem; border-radius: 50%; margin-bottom: 1rem; }
.foot-brand p { color: var(--muted); font-size: 0.92rem; max-width: 20rem; }
.site-footer h4 { font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; color: #fff; margin-bottom: 1rem; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 0.55rem; }
.site-footer ul a { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; }
.site-footer ul a:hover { color: #fff; }
.foot-bottom {
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  color: #737373; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em;
}
.foot-bottom a { color: #737373; }
.foot-bottom a:hover { color: #fff; }

/* Thanks */
.thanks { min-height: 70svh; display: grid; place-items: center; text-align: center; }
.thanks h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin-bottom: 1rem; }
.thanks p { color: var(--muted); margin-bottom: 2rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Page hero */
.page-hero { padding: 10rem 0 4rem; }
.page-hero h1 { font-size: clamp(2.4rem, 7vw, 4.6rem); }
.page-hero .lead { margin-top: 1.25rem; }

/* Responsive */
@media (max-width: 960px) {
  .grid-2, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .feat-grid, .cat-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    position: fixed; inset: 4.5rem 0 auto 0; flex-direction: column; align-items: flex-start;
    background: rgba(0,0,0,0.98); padding: 1.5rem; gap: 1.1rem; border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform 0.3s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav .btn { width: 100%; text-align: center; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr; }
}