/* ===== He Family Food — shared styles ===== */
:root{
  --forest:#1f4e3b;      /* brand 深绿 */
  --pod:#3a6b35;         /* pod green */
  --bean:#7cb342;        /* brand 豆绿 */
  --bean-soft:#c5d89d;   /* pale flesh */
  --cream:#f6f4ec;       /* warm off-white */
  --cream-2:#eef0e3;     /* frost cream */
  --ink:#1a2410;         /* near-black green */
  --grey:#5d6a4f;        /* muted sage text */
  --gold:#c9b889;        /* brand 米金 accent */
  --line:rgba(31,78,59,.14);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,sans-serif;
  color:var(--ink);background:var(--cream);
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;line-height:1.06;font-weight:600}
.mono{font-family:'Space Mono',monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.eyebrow{font-family:'Space Mono',monospace;font-size:.72rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--pod)}

/* NAV */
nav{position:sticky;top:0;z-index:60;background:rgba(246,244,236,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Fraunces',serif;
  font-weight:600;font-size:1.15rem;color:var(--forest)}
.brand-logo{width:38px;height:38px;object-fit:contain;flex-shrink:0}
.foot-logo{width:36px;height:36px;object-fit:contain;flex-shrink:0}
.brand .seed{width:28px;height:28px;border-radius:50% 50% 50% 2px;background:var(--pod);
  position:relative;transform:rotate(-45deg);flex-shrink:0}
.brand .seed::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--bean)}
.nav-links{display:flex;gap:30px;font-size:.93rem;font-weight:500}
.nav-links a{color:var(--ink);padding:4px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--pod);border-color:var(--bean)}
.nav-cta{background:var(--forest);color:var(--cream)!important;padding:9px 18px;
  border-radius:40px;border:none!important;font-size:.86rem;font-weight:600;transition:.2s}
.nav-cta:hover{background:var(--pod)}
.menu-btn{display:none;background:none;border:none;font-size:1.6rem;color:var(--pod);cursor:pointer}

/* HERO base */
.page-hero{padding:72px 0 60px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero .eyebrow{margin-bottom:18px;display:block}
.page-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);color:var(--forest);letter-spacing:-.02em}
.page-hero p.lead{font-size:1.18rem;color:var(--grey);max-width:54ch;margin-top:20px}

/* buttons */
.btn{display:inline-block;font-weight:600;font-size:.98rem;border-radius:44px;
  padding:14px 28px;transition:transform .15s,background .2s}
.btn-primary{background:var(--forest);color:var(--cream)}
.btn-primary:hover{background:var(--pod);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--pod);color:var(--pod)}
.btn-ghost:hover{background:var(--pod);color:var(--cream)}

/* sections */
section{padding:88px 0}
.section-head{max-width:60ch;margin-bottom:48px}
.section-head .eyebrow{display:block;margin-bottom:14px}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem);color:var(--forest);letter-spacing:-.015em}
.section-head p{margin-top:14px;font-size:1.06rem;color:var(--grey)}

/* footer */
footer{background:var(--forest);color:#c3d0b4;padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:36px;margin-bottom:40px}
footer h4{color:var(--cream);font-family:'Fraunces',serif;font-size:1.15rem;margin-bottom:14px}
footer .fb{display:flex;align-items:center;gap:11px;margin-bottom:14px}
footer .seed{width:26px;height:26px;border-radius:50% 50% 50% 2px;background:var(--bean);transform:rotate(-45deg)}
footer p{font-size:.92rem;max-width:34ch}
footer a{display:block;font-size:.92rem;margin-bottom:9px;color:#c3d0b4;transition:.2s}
footer a:hover{color:var(--bean)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  font-family:'Space Mono',monospace;font-size:.8rem;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:10px;color:#9fb08c}

/* pod motif (reusable svg container) */
.pod-float{position:absolute;opacity:.5;pointer-events:none}

/* reveal on scroll — falls back to visible if JS/observer doesn't run */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

@media(max-width:860px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:var(--cream);padding:20px 28px;gap:18px;border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  section{padding:60px 0}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}}